Calorie Restriction and Longevity

An introduction to calorie restriction at h+ Magazine: “In the early twentieth century nutrition researchers found that rats maintained on reduced caloric intake showed lower spontaneous tumors compared to rats fed ad libitum (allowed to eat as much as they chose). Although this work did not address caloric restriction (CR) and aging, it suggested that CR might slow the onset of age-associated disease in rodents. … Numerous follow-up studies demonstrated that a micronutrient adequate CR diet significantly increased the lifespan of many species, largely crossing species boundaries. … While CR increases the lifespans of most species examined, it also suppresses many of the diseases associated with human aging, thus increasing the ‘health-span.’ Over short periods, CR lowers blood pressure, heart rate, and glucose levels, and improves memory in older individuals and measures of cognitive performance in animals. Over longer periods CR significantly reduces the risk for many different types of cancer, age-related brain atrophy, heart disease (and atherosclerosis related diseases), autoimmune disease, and adult onset diabetes. CR appears to lessen the risk for, and attenuates or even reverses the symptoms of Alzheimer’s and possibly Parkinson’s diseases; two major age-related neurodegenerative diseases that cause enormous human suffering. … Interestingly, CR appears to promote the progression of Amyotrophic Lateral Sclerosis (Lou Gehrig’s disease), indicating it does not protect from all human diseases. Aging causes extensive, often organ-specific changes in gene expression patterns. Analysis [has] shown that aging, calorically restricted mice show gene expression patterns resembling those of young animals, compared to ad libitum-fed mice of the same age. CR also lowers cellular oxidative damage by reducing mitochondrial oxygen free radical production, lessens age-related telomere shortening, lowers inflammation, increases DNA damage repair efficiency and lowers damage to DNA and RNA (thus promoting genomic stability), lowers insulin levels while promoting insulin sensitivity, reduces the number of senescent (non-dividing) cells that accumulate with aging, attenuates age-related cellular protein cross-linking, and increases the removal of damaged cellular proteins – a process called ‘autophagy’ which declines with age and plays a role in resistance to infection, cancer, heart disease, and neurodegeneration. “

Link: http://hplusmagazine.com/2012/04/04/caloric-restriction-and-longevity/

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Can Neural Stem Cells Address Cognitive Decline?

An open access review paper: “Several studies suggest that an increase in adult neurogenesis has beneficial effects on emotional behavior and cognitive performance including learning and memory. The observation that aging has a negative effect on the proliferation of neural stem cells has prompted several laboratories to investigate new systems to artificially increase neurogenesis in senescent animals as a means to compensate for age-related cognitive decline. … recent evidences indicate that the relative abundance of stem cells in certain organs does not necessarily correlate with their impact on organ function. Specifically, the mammalian brain is perhaps the organ with the lowest regenerative potential but the one in which the signs of aging are more manifested. Using the words of the renaissance writer Michel de Montaigne, ‘age imprints more wrinkles on the mind than it does on the face’ indicating that age-related cognitive decline has the highest impact on the quality of life. To which extent this decline is dependent on neural stem and progenitor cells (together referred to as NSCs) is hard to tell but growing evidences indicate that, despite their negligible numbers, the few resident NSCs that are located in specific brain regions, most notably the subgranular zone of the hippocampus, seem to play a major role in cognitive functions such as learning, memory, and emotional behavior by generating, through intermediate progenitors, neurons that are constantly added to the brain circuitry throughout life. … the available data strongly suggests that aging almost exclusively acts at the level of NSC proliferation. Yet, the many contradicting results and uncertainties on identifying the exact causes of this ‘decreased proliferation’ [need] to be fully acknowledged in order to give a rigorous and meaningful direction to this relatively new field. … The fact that NSCs can efficiently respond to physiological and pathological stimuli to increase neurogenesis indicates that stimulation of endogenous NSCs offers a promising alternative to transplantation approaches that until now were intensely investigated.”

Link: http://impactaging.com/papers/v4/n3/full/100446.html

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A Histogram of Results from Life Span Studies

Kingsley G. Morse Jr. is one of the regulars at the Gerontology Research Group mailing list. He maintains a spreadsheet of all the life span studies in various organisms that he has been able to find, and is generally willing to sell that data at white paper rates, should you happen to be interested. He recently posted a histogram assembled from the study results, which I’m sure you’ll agree is interesting:

The history of working to extend life in laboratory animals – and of studying effects on longevity and mortality in humans – is largely a big null result. Other than calorie restriction, the effects of which were first formally cataloged by scientists in the 1930s, all of the excitement shows up in the past twenty years or so. The successes are a tiny fraction of the studies that showed nothing, or showed a result well within the margin of error, or produced results that could not be replicated. In mammals, mostly mice, the bulk of studies that do extend life significantly fall in to the 15% to 30% life extension bracket – on a par with moderate to severe calorie restriction. Only a few methods have been demonstrated to reach beyond that point.

To a large degree this is because near everything tried to date has been a form of metabolic manipulation – change the operation of metabolism to slow the effective rate at which damage accrues to the organism. I would be surprised to see any great improvement in the length of life lived by laboratory animals until the research community changes strategy to focus on actually repairing and reversing the cellular and molecular damage that causes aging. The difference between slowing aging and repairing aging will be as night and day when it comes to the practical results that can be achieved.

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Chromosome Mapping Approach Helps Understand Cancer Development

New research at Children’s Hospital Boston and the Immune Disease Institute (IDI) helps explain common cancer mutations caused by DNA chromosomes breaking and fusing back together at the wrong spots to connect two different genes. These chromosomal rearrangements are characteristic of many types of cancers, including leukemias and lymphomas. In work that was published in the February 16 issue of Cell, Dr. Frederick Alt at the Children’s Hospital Boston and Dr. Job Dekker at the University of Massachusetts Medical School have worked out some of the rules about how these rearrangements occur.
The study combined two distinct technologies that each lab developed over the past several years. One technique developed by Dr. Alt’s group that uses high-throughput DNA sequencing to find where chro…

MedWorm Sponsor Message: Please support the Doctors In Chains campaign for the medics tortured and sentenced for up to 15 years in Bahrain. #FreeDoctors

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Sweetened drinks increase risk of heart disease in men by twenty percent

by: John PhillipResearchers publishing the results of a study in the prestigious American Heart Association journal Circulation have found that men who drank a 12-ounce sugar-sweetened beverage a day had a 20 percent higher risk of heart disease compared to men who didn't drink any sugar-sweetened drinks. This should come as no surprise as sweetened (and calorie-free) beverages have come under scrutiny for contributing to increased risk of potentially fatal conditions such as diabetes, dementia, stroke, liver necrosis (fatty liver) and obesity.Excess glucose in the bloodstream is easily converted to triglycerides by the liver and promptly stored as fat, typically around the waistline for use during leaner times. This survival mechanism worked very well for our ancestors of several hundred generations past, but times of plenty now exist regularly, several times each day for most.Humans were never metabolically wired to consume the large amount of nutrient-poor calories as we do today, and it is leading to an early grave for millions. The bottom line is simple: eliminate calories from sugar-sweetened beverages and lower your risk of heart disease by one-fifth. Read more... 

AyurGold for Healthy Blood

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Scientists’ hopes for yacon leaf as a treatment for diabetes

Scientists' hopes for yacon leaf as a treatment for diabetes are crushed due to long-term toxicity
By Donna Earnest Pravel

Yacon leaf (Smallantus sonchifolius) is an herb that has become popular in recent years due to a few controlled medical studies showing the positive effects of yacon leaf on diabetic rats. The herb is used in South America to control blood sugar. Some commercial green superfood formula makers list yacon leaf as an ingredient. Yacon is considered a superfood because it it high in flavanoids, fructooligosaccharides, and antioxidants. The interest in yacon leaf motivated a team of researchers in 2011 to study the long-term effects of yacon leaf extract. They experimented with yacon leaf tea on diabetic rats for ninety days. The results were that long-term usage of yacon leaf caused kidney damage in the rats. Yacon leaf is no longer being considered as a possible therapy for diabetes. Read more...

AyurGold for Healthy Blood

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Has Your Doctor Turned You Into a Hypochondriac?

Once you turn 40 you start hearing a different tune from your doctor. The person who once said you were healthy as an ox is starting to tell you about the problems of aging, how you aren't as strong as you used to be and that oncoming illnesses are imminent and dangerous. This has led many to believe that their doctor is trying to make them a hypochondriac. Are doctors doing this, or is it just the imagination of someone who really cannot accept that his or her health truly is declining? If the doctor is doing this, is this considered malpractice? All of these questions will be answered.

Has Your Doctor Turned You Into a Hypochondriac? is a post from: Anti Aging Nutrition News


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Sweetened drinks increase risk of heart disease in men by twenty percent

by: John PhillipResearchers publishing the results of a study in the prestigious American Heart Association journal Circulation have found that men who drank a 12-ounce sugar-sweetened beverage a day had a 20 percent higher risk of heart disease compared to men who didn't drink any sugar-sweetened drinks. This should come as no surprise as sweetened (and calorie-free) beverages have come under scrutiny for contributing to increased risk of potentially fatal conditions such as diabetes, dementia, stroke, liver necrosis (fatty liver) and obesity.Excess glucose in the bloodstream is easily converted to triglycerides by the liver and promptly stored as fat, typically around the waistline for use during leaner times. This survival mechanism worked very well for our ancestors of several hundred generations past, but times of plenty now exist regularly, several times each day for most.Humans were never metabolically wired to consume the large amount of nutrient-poor calories as we do today, and it is leading to an early grave for millions. The bottom line is simple: eliminate calories from sugar-sweetened beverages and lower your risk of heart disease by one-fifth. Read more... 

AyurGold for Healthy Blood

Source:
http://anti-aging-for-today.blogspot.com/feeds/posts/default?alt=rss

Scientists' hopes for yacon leaf as a treatment for diabetes

Scientists' hopes for yacon leaf as a treatment for diabetes are crushed due to long-term toxicity
By Donna Earnest Pravel

Yacon leaf (Smallantus sonchifolius) is an herb that has become popular in recent years due to a few controlled medical studies showing the positive effects of yacon leaf on diabetic rats. The herb is used in South America to control blood sugar. Some commercial green superfood formula makers list yacon leaf as an ingredient. Yacon is considered a superfood because it it high in flavanoids, fructooligosaccharides, and antioxidants. The interest in yacon leaf motivated a team of researchers in 2011 to study the long-term effects of yacon leaf extract. They experimented with yacon leaf tea on diabetic rats for ninety days. The results were that long-term usage of yacon leaf caused kidney damage in the rats. Yacon leaf is no longer being considered as a possible therapy for diabetes. Read more...

AyurGold for Healthy Blood

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http://anti-aging-for-today.blogspot.com/feeds/posts/default?alt=rss

6, 12 or 18 biopsies? Would you like a triple stain with that?

As the story goes that I have heard a couple of versions of, somewhere in Florida in the early 1990s, a urologist or small group of urologists, taking advantage of exceptions in the Stark Law (actually there are multiple parts to this single law) and skirting anti-kickback regulations, started to perform anatomic pathology services and referring those specimens to their laboratories, or themselves.

Folks familiar with this recognize that Stark does allow self-referral of imaging or other diagnostic tests within the practice that is actually ordering or referring the patient for the test.  With passage of Obamacare, these groups are suppose to provide a letter to patients and inform them where else in the area these services may be available.  Kind of like a restaurant showing you a menu for 3 other restaurants after the restaurant manager referred you to his/her restaurant.  Not sure if this happens with any regularity.

Anyways, somewhere in Florida around 20 years ago, in-office pathology was born.

Throughout the 1990s, many urologists had supplemented their revenues through an arrangement with the maker of Lupron, a hormone drug for prostate cancer. Under the arrangement, Lupron producer TAPPharmaceutical Products Inc. sold urologists the drug at a steep discount, while the urologists in turn billed Medicare for the full price.

The arrangement ended in 2001 when several urologists were indicted and TAP Pharmaceutical paid more than $840 million to settle a Justice Department investigation. Deprived of the Lupron profits, some urologists' incomes declined by as much as one-half according to accounts by urologists at that time.  

It is thought that declining reimbursements from Lupron that eventually ended in 2001 led at least in part to urologists looking for other sources of revenue.

According to their website, In-Office Pathology was formed in 2004. The site mentions over 45 installations in eighteen states in urology, gastroenterology, dermatology and multispecialty practices. This company also claims "We do it better than anyone else". Laboratory Economics reviews this regularly and almost every issue contains new physician owned laboratories within urology, GI and dermatology

Recently, as I mentioned earlier this week in a post on over utilization within in-office pathology laboratories, in what may come to be called The Mitchell Report (OK, the Other Mitchell Report), a study published by Dr. Jean MItchell, a noted Geogetown economist confirmed with a multi-year study of such practices an increasing number of biopsies with actually fewer cases of prostate cancer detected by those practices. 

Besides from perhaps doing more rather than less and violating the principle of "first do no harm" fewer diagnosed cases of prostate cancer also hurts their referral rate to their specialized IMRT centers for treatment but that is for another post on another day...

Since the article on this topic was published that American Urologic Association wrote a letter to the editor in the journal the article appeared in referencing a "turf war" and claiming over the past decade the number of jars for best clinical practices increased from 6 to 12, with one biopsy in each jar.  This translates to 12 CPT codes (88305) for the referring physician who will capture the technical and professional component within his/her respective self-owned laboratory.

For more on this story and a copy of the AUA's response and response from In-Office Pathology check out The Pathology Blawg for continuing coverage of the story.

So, what does any of this have to do with digital pathology?  A lot.

I can't really say that I have a horse in this race or any "turf" worth getting into a war over in my practice per se.  This freight train left the station years ago and I do not begrudge IOL, the urology community or pathologists who are employees or part-owners of these laboratories for trying to make a buck, if done correctly and in accordance with best clinical practices.

One of the real problems here is that the technology to process tissue has become so good one can have a tabletop tissue processor, small stainer and coverslipper and IOP with 350 square feet of office space, some drywall and nails and create a full-service anatomic pathology laboratory. I bet it would be hard to find any of the laboratory information system companies geared toward the outreach/outpatient market who does not have at least one install in an operation such as this.  

This is a perfect market for digital pathology.  You could create the possibilty to have a team of prostate experts review cases remote from the provider, patient and histology lab and report those findings with web-based LIS systems.  For straight TC/PC relationships this would work fine where everyone gets paid for what they are doing.  Save the urology or GI group the cost of a pathologist plus additional coverage when that person is attending a prostate pathology meeting or on vacation.

Whole slide imaging could augment the laboratory or completely eliminate the need for pathologists to be onsite beyond some basic medical director functions. Of course the idea here is that some of these urologists and gastroenterologists would want the full global charge capability rather than outsourcing the professional component.  Perhaps if they hire the wrong pathologist they might re-think this model as well.

Here is an idea, I can do a one-year endoscopy fellowship for upper and lower GIs, set up an endoscopy center complete with the latest state of the art endoscopes, build a lab in the back of the practice, do my own biospies and read my own biopsies.  Would anyone have a problem with that? I saw the patient, I did the gross examination via endoscopy and can correlate it with the slides.  Perfect. It turns out that the CPT codes and reimbursements for upper or lower GI endoscopy with biopsy is higher than a UGI or LGI examination without biopsy. Even better. And because it is an invasive procedure, I should take more rather than fewer biopsies to diagnose disease. None of this of course would be driven by financial reasons.  It is all evidence-based and presumably my rates of disease detection would go up or I would consider doing fewer biopsies over the course of time (certainly within 3-5 years) if the yield is no greater (or lower) than a control group (self-referring vs. refer to AP lab).

 

 

 

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A survey on digital pathology adoption – Cirdan Imaging

Cirdan Imaging, a new name in digital pathology, is developing new low-cost digital pathology solutions to improve workflow within the laboratory.

We would like to build up a detailed picture of what digital pathology techniques have been implemented in the laboratory and to determine how far these have penetrated into day-to-day operations.

If you are working anywhere within the pathology laboratory environment or have an interest in new digital pathology techniques, we would appreciate your comments.

You can enter our survey at:

https://www.surveymonkey.com/s/cirdanimaging

The full results of the survey will be available and will be circulated to all respondents. The respondents will also have the opportunity to be entered into a draw for an new iPad.

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Visiopharm further expands strong patent portfolio for Whole Slide Stereology with the revolutionary Proportionatorâ„¢; an image analysis driven stereology module

The Proportionator principle is a significant advance for stereology as a discipline, which will allow scientists to implement stereological study designs also in high-throughput environments. 

Hoersholm, Denmark - April 11, 2012 - Visiopharm A/S, a global leader in Quantitative Digital Pathology, announced today that the European Patent Office has issued the European Patent No. EP 2102817, entitled: Proportionator. 

With the new Proportionator principle, we have demonstrated a several fold increase in efficiency, when compared to traditional Systematic Uniform Random Sampling”, says Prof. Jens Randel Nyengaard. 

Stereology is a method that allows scientists to answer important research questions about the total amount of microstructure in a tissue volume, including at the organ level; and provide statistically unbiased answers with a known precision. Examples are number of cells, trabeculae, alveoli, and other objects. Also total volume, surface area and total length of structures in an organ are examples of what can reliably be quantified. Stereology is the only way to achieve accurate quantitative data about such tissue properties with a known precision. 

Scientific communities and regulators with a genuine concern about the validity of quantitative histomorphometric data are increasingly requesting stereological data, or at least evidence that such data is concordant with an appropriate stereological reference. Stereology is now becoming a critical component for a useful Quantitative Digital Pathology platform; and a technical discipline that research professionals with a need to study tissue properties can no longer afford to ignore. 

With classical stereological methods and tools, implemented on traditional microscope systems, it is time consuming, repetitive, and costly work to produce stereological data. Typically, service requirements for complex microscope systems are not trivial. Until recently, there were no good alternatives. 

Since 2004, when Visiopharm took over the highly respected CAST™ stereology technology developed by Prof. Gundersen, Visiopharm® has invested massively in the development of innovative and efficient stereological techniques and research tools, in close collaboration with the world-leading stereologists at the Stereological Research Laboratory in Aarhus, Denmark. The result is newCAST™ and a patented set of tools and techniques that efficiently overcome the bottlenecks of classical stereology. 

The Proportionator™ is the latest addition to this toolbox and a revolutionary stereological sampling principle that allows image analysis to guide the sampling of fields, while still providing statistically unbiased results, which is the hallmark of stereological methods. The Proportionator™ was co-developed with the Stereological Research Laboratory in Aarhus, Denmark, which remains the leading innovators and practitioners of stereology, and are the founders of modern design-based stereology. 

Says Prof. Jens Randel Nyengaard, “With the new Proportionator principle, we have demonstrated a several fold increase in efficiency when compared to traditional Systematic Uniform Random Sampling. This is a significant advance for stereology as a discipline, and will allow scientists to implement stereological study designs also in high-throughput environments”. 

Johan Doré, CTO at Visiopharm adds “We see this new patent as an important addition to our Automated Physical Disector patent, which has already made Whole Slide Stereology extremely efficient by automatically aligning serial tissue sections and sampling perfectly aligned disector pairs. Powering this technology with the Proportionator will further enhance the efficiency, saving users countless hours of repetitive work, and providing quality results with very high precision. We believe that the combination of Whole Slide Imaging with automation of stereology is the key to successful implementation of stereology in life-science research”. 

In order to become successful with stereology, it is important to understand that a complete stereology solution is more than a few standard techniques implemented in a software program. It is critical to have a firm grasp of all steps from tissue sampling over Field Of View sampling to counting and reporting of results. Without access to competent application support, the transition can sometimes be a painful and expensive experience for adopters. For almost a decade, Visiopharm have invested significantly in innovation, development, practical work, and people with the right skill-set; and we are developing our technology in close collaboration with the world-leading stereologists from the Stereological Research Lab in Aarhus. This is giving our customers the certainty and comfort that we are able bring them safely all the way through an important and very rewarding transformation, which is in some ways quite radical”, says Michael Grunkin, CEO of Visiopharm. 

The latest example of how Whole Slide Stereology is applied, using AutodisectorTM and ProportionatorTM, is offered in our Webinar on: “The application of whole slide stereology for cost effective assessment of beta cell changes”, on April 12, 2012m by Jacob Jelsing, MSc, PhD, and CSO from Gubra ApS. 

About Visiopharm Over the past 10 years, Visiopharm image analysis and stereology software has become the preferred Quantitative Digital Pathology solution for leading biopharmaceutical companies, clinical researchers, and academic researchers all over the world. Visiopharm has more than 300 deployed systems worldwide and a large network of distribution and support partners, and is featured in over 400 scientific publications. 


 

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Pathology Informatics: Theory & Practice – New Book from ASCP Press

PIASCPbookLast month ASCP Press published a new book on pathology informatics, the first multi-authored textbook on the subject geared towards a comprehensive review of the field of pathology informatics.  

Drs. Pantanowitz (UPMC), Weinstein (U of Arizona) and myself have a chapter devoted to telepathology and whole slide imaging.  

A must read (at a great price) for resident or practicing pathologist alike as well as anyone with interests in the diverse nature of pathology informatics for practical management, operations, budgeting and project planning.

 

Editors:

Liron Pantanowitz, MD
J. Mark Tuthill, MD
Ulysses G.J. Balis, MD
Add to Cart

Description:

Order#5831 | ISBN:9780891895831

Pathology Informatics: Theory & Practice is the first multi-authored, current and comprehensive compendium of the diverse and rapidly expanding field of pathology informatics.

It includes all of the critical and practical advice for management, operations, budgeting, and project planning and will serve as a comprehensive review of the field for students, pathologists, and laboratory professionals. This book deals with the role of computing hardware, software and databases involved in the efficient information management for pathology practice, as well as the fundamental science of informatics that is so deeply embedded in this subspecialty.

The text builds from basic principles of computer theory to more sophisticated informatics concepts.

  • Databases and data mining; networks and workstations; system interfaces and interoperability. 

  • Bioinformatics, imaging informatics, clinical informatics, and public health informatics. 

  • Automation and middleware that facilitate complex workflows encountered in both anatomic and clinical pathology practice. 

  • Molecular testing and point of care solutions. 

  • Coding and nomenclature. 

  • Standards in Laboratory Information Systems (LIS) and imaging systems. 

  • Project management and business skills. 

  • Pathology reporting. 

  • Electronic medical records. 

  • Specimen tracking and identification. 

  • Error reduction and quality management. 

  • Training and education in pathology informatics.

Hardbound • 336 pages • 112 figures • 368 tables

List Price: $135.00

Member Price: $105.00

Add to Cart

 

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Study Co-Funded by CAP Shows Evidence of Self-Referral Overutilization

A CAP Statline from yesterday I saw on another blog mentions that an independent study shows the first clear evidence of self-referral of anatomic pathology services leads to increased utilization as well as higher Medicare spending and lower rates of cancer detection.

For CAP members, there will be a special webinar on the topic end of this week (see below for details).

This is a topic that any pathologist who is aware of anatomic pathology services being insourced, or "brought in house" by clinicians, referred to as in-office labs (IOLs) or POD labs, has suspected for as long as the practice has been in place.  The idea that perhaps some, if not all, of urologist IOLs or POD labs, and let's for the sake of argument, just say that is a minority of labs doing so, perform more testing, bill Medicare more, but do not increase their yield of cancer detection beyond conventional means of doing so with fewer tests wil come as no surprise to practicing pathologists aware of some of these practices at least.

At first glance it does not appear that the study looked at excess immunohistochemical stains that may be performed without providing clinically relevant information.  It looks like without more complete reading of the study design and findings that the author looked at number of biopsies inasmuch as additonal ancillary studies.  Nonetheless, it is a form of overutilization whether you look at number of biopsies or cups or stains, particularly if doing more biopsies does not increase the yield of cancer detection.

This is however a sensitive issue as pathologists are also physicians who own and/or operate laboratories where additional testing may also provide some financial incentives without necessarily being in the bests interests of patient care.  And pathologists can also self-refer vis-a-vis immunohistochemical stains, special histochemistry stains or perhaps molecular tests that are not needed, indicated or non-contributory in terms of diagnosis, treatment and management.

Do we reallly need to perform Alcian blue stains on every esophageal biopsy to insure we do not miss intestinal metaplasia?  Are Giemsa stains terribly helpful on every stomach biopsy? Some will claim their clinicians request these for these types of specimens and so they do it.  It reminds me of taking a "shotgun" approach with immunohistochemistry illustrated in this video.  Make sure to order the vimentin stain.  A negative or positive result among the other 26 stains will help to cinch the diagnosis and by doing them at once, despite not using the H&E morphology as a guide, will surely lead the right diagnosis quicker and more accurately without any prejudice to perhaps just doing a few fewer stains which will provide the same result with the correct diagnosis. 

I was saw a case in referral of a liver biopsy from an elderly gentlemen with biopsy proven colon cancer processed at the same lab and read by the same pathologist who was interpreting the liver biopsy.  The H&E appearance on the liver biopsy was identical to the colon cancer from the biopsy of that a week prior.  This, however, not to be undone and believing no case is complete unless the requisite number of immunostains are done, ordered 18 immunohistochemical stains on the liver biopsy.  18.  For a routine, typical, colon cancer metastatic to liver, of course metastatic at the time of the initial biopsy a week prior. The patient was seen at our institution for treatment.  The H&E of the liver biopsy and the H&E of the colon biopsy were likely all that would have been needed.  The CK20 and CDX-2 stain were confirmatory and the other stains, including MUC antigens I did not know existed, help proved, in case there was any doubt, that this was not likely a brain, lung, kidney, liver, pancreas, testicular, prostate, bladder or gallbladder primary metastatic to the liver.

The point is the urologists with the labs, specifically those in this study to be clear and without knowing specifically who they are, are not the first physicians/lab directors to come up with this or take advantage of the ability to self-refer on lab specimens within their shop.  

As a pathologist, we should applaud CAP's efforts on this issue in providing sound data to illustrate the iappropriate clinical business practices but we should also as a specialty be mindful of what is appropriate as well in our own laboratories if we are going to claim these in-office labs are conducting themselves inappropriately.

Perhaps this could be the start of removing anatomic pathology services from the exception on the Stark Law but we must also set clear examples of appropriate use of ancillary tests.

April 9—Self-referring urologists billed Medicare for nearly 75% more anatomic pathology (AP) specimens compared to non self-referring physicians, according to a study published today in a leading health care policy journal. Furthermore, the study found no increase in cancer detection for the patients of self-referring physicians—in fact, the detection rate was 14% lower than that of non self-referring physicians.

These findings, from an independent study co-funded by the CAP, provide the first clear evidence that self-referral of anatomic pathology services leads to increased utilization, higher Medicare spending, and lower rates of cancer detection. The study, led by renowned Georgetown University health care economist Jean Mitchell, PhD, will appear in the April 2012 issue of Health Affairs and is now available on the journal’s website.

“The findings are irrefutable,” said CAP President Stanley J. Robboy MD, FCAP. “The Mitchell study raises a red flag on self-referral, giving evidence that it tends to increase utilization and cost with little or no patient benefit.”

This analysis also supports the College’s long-standing position that self-referral of anatomic pathology services needs to end by removing anatomic pathology from the exception in the Stark Law.

“We need to close a loophole in the law to prevent anatomic pathology from being referred to labs where referring physicians have a financial self interest,” said Dr. Robboy.

 

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The Royal College of Pathologists uses PathXL for their Pilot Project in the use of Digital Pathology

PathXL is working alongside The Royal College of Pathologists to coordinate a pilot project with the aim of exploring the benefits and usage requirements of Digital Pathology by College fellows.

Other objectives include investigating whether the College should create an archive of slides in support of e-learning.

PathXL, a global pioneer in the use of web-based solutions for digital pathology, is providing the image and content management software as well as secure cloud hosting for the pilot. With PathXL, slides can be accessed from any location, including within NHS firewalls. Slide management tasks can also be conducted from any location.

There are two digital scanners installed at the College – one fromNikon /Hamamatsu and the other from Laser 2000/3D Histech. The equipment is available for fellows to use and test, and is located in the Fellows room on the first floor of 2 Carlton House Terrace.

All fellows are welcome and encouraged to use the equipment to scan slides and to comment on the suitability of the equipment and the results generated. A short evaluation form has been designed to capture feedback from users and this important feedback will be used to write a report at the end of the pilot for consideration by Council.

The pilot will run until 6th May – to book a particular time slot please contact the front of house team on scanning@rcpath.org or telephone 020 7451 6707. All of the front of house staff have been trained to use the scanners and software and will be available to help out if required.

For more information please visit http://www.rcpath.org/

 

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The Great Morbid Anatomy Library Flood of 2012: List of Destroyed Books Now Posted


Thanks so very much to all of you for your outpouring of support, donations, and offers to help in the aftermath of The Great Morbid Anatomy Flood of 2012 (more details on that here). Many of you have asked to see a list of those books lost, in the interest of ordering or sending particular books for the library; I have created a special Amazon wish list that contains all books lost, and will ship directly to the library; you can check it out by clicking here.

For those of you who would like to mail books directly, our mailing list is:

Joanna Ebenstein
c/o The Morbid Anatomy Library
543 Union Street #1E
Brooklyn, NY 11215

Thanks so much, again, for all your support, and please save the date for an upcoming benefit party to take place Saturday May 12. Please contact me if you'd like to donate objects or artworks for a silent auction, or talent for performances, or labor!

Source:
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Disaster Has Hit The Morbid Anatomy Library!
















Tis' a sad day indeed.

Some of you might already have already heard, but last Friday night, the building in which The Morbid Anatomy Library is located suffered a small artwork-related fire. The fire was quickly extinguished, but not before The Library and its collection of books, artworks, and artifacts suffered severe water damage from the building's fire sprinklers. Stay tuned for news about a benefit party to raise money for rebuilding the library, but, in the meantime, here are some photos of the water-logged chaos we are digging ourselves out of. I should mention, the damage could have been much, much worse, and I am very grateful we got off as easy as we did. Still, if any of you are interested in making a monetary donation to help the collection, simply click on the "donate here" button on the right side of this blog. If you are interested in donating books or artifacts--or time and/or talent for the benefit!--please email me at morbidanatomy [at] gmail.com.

I would also like to send out a very special heartfelt thank you to G. F. Newland, Wythe Marschall, Ethan Gould, Grace Baxter, Emi Brady, Sasha Chavchavadze, PK Ramani, Tammy Pittman, Benjamin Warnke, Aaron Beebe, Lado Pochkhua, Ted Enik, the fellows from Curious Matter, and everyone else who for pitched in to make this disaster so much less of a one than it could have been, while I was far from home and unable to help at all.

Ok, off to assess the damage in greater detail. Thanks to everyone, and more to come!

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Biofuels can lead to more U.S based Biotechnology jobs

America is making efforts for increasing the domestic production of biofuels so that it could lead to the creation of more jobs in this sector. For this purpose President Bush is making whole hearted efforts and is undertaking panel discussions on advancements in industrial biotechnology so that it could aid in increasing the production of ethanol. Jim Greenwood, President and CEO, Biotechnology Industry Organization stated: We appreciate the personal interest that President Bush has taken in boosting domestic biofuels production. The President’s recent statements underline his commitment to developing new biofuels technologies. We believe President Bush’s visit to Novozymes sends the world a strong message about the importance of the work that industrial biotechnology companies are doing to provide a key enabling technology for large-scale production of ethanol This is expected to act as a booster for the U.S based biotechnology jobs as the U.S government is making efforts for reducing the dependence on petroleum based energy fuels and is looking towards industrial biotechnology for offering cheap forms of alternate and renewable sources of energy in the form of biofuels. It is expected that it would lead to the creation of more jobs for the country.

Source:
http://www.biotechblog.org/rss.xml

Spurring Stem Cells to Rebuild Cartilage

Researchers have demonstrated modest progress towards the goal of making the body's existing cell populations rebuild damaged cartilage in situ:

A small molecule dubbed kartogenin encourages stem cells to take on the characteristics of cells that make cartilage, a new study shows. And treatment with kartogenin allowed many mice with arthritis-like cartilage damage in a knee to regain the ability to use the joint without pain. ... The new approach taps into mesenchymal stem cells, which naturally reside in cartilage and give rise to cells that make connective tissue. These include chondrocytes, the only cells in the body that manufacture cartilage.

...

"In the blue-sky scenario, this would be a locally delivered therapy that would target stem cells already there," says study coauthor Kristen Johnson, a molecular biologist at the Genomics Institute of the Novartis Research Foundation in San Diego. Johnson and her colleagues screened 22,000 compounds in cartilage and found that one, kartogenin, induced stem cells to take on the characteristics of chondrocytes. The molecule turned on genes that make cartilage components called aggrecan and collagen II. Tests of mice with cartilage damage similar to osteoarthritis showed that kartogenin injections lowered levels of a protein called cartilage oligomeric matrix protein. People with osteoarthritis have an excess of the protein, which is considered a marker of disease severity. Kartogenin also enabled mice with knee injuries to regain weight-bearing capacity on the joint within 42 days.

As a long term goal for tissue engineering, controlling existing cell populations sufficiently well to rebuild lost or damaged structures in the body is preferable to strategies that involve surgery - such as, for example, building cartilage outside the body and then implanting it. Both avenues are under development at this time.

One consequence of an increased focus on controlling stem cells in the body is that researchers must find ways to reverse the stem cell decline that comes with aging. If stem cell populations are generally less effective, then therapies based on directing those cells may be of limited benefit. Given that most of the regenerative therapies we can envisage will be of greatest use to the elderly, the people who bear the most damage and bodily dysfunction, and who are generally the wealthiest portion of the population, there is a strong financial incentive to find ways to build working therapies for that market. This is why I see the regenerative medicine community blending in at the edges with the longevity science community in the years to come - many of the goals are much the same.

Source:
http://www.longevitymeme.org/newsletter/latest_rss_feed.cfm

Restoring Some Youthful Gene Expression Levels in an Aged Liver

An interesting experiment, especially when compared with work on brain aging that focuses on levels of cell proliferation: "During the past decade, it has become increasingly clear that consistent changes in the levels of expression of a small cohort of genes accompany the aging of mammalian tissues. In many cases, these changes have been shown to generate features that are characteristic of the senescent phenotype. Previously, a small pilot study indicated that some of these changes might be reversed in rat liver, if the liver cells became malignant and were proliferating. The present study has tested the hypothesis that inducing proliferation in old rat liver can reset the levels of expression of these age-related genes to that observed in young tissue. A microarray approach was used to identify genes that exhibited the greatest changes in their expression during aging. The levels of expression of these markers were then examined in transcriptomes of both proliferating hepatomas from old animals and old rat liver lobes that had regenerated after partial hepatectomy but were again quiescent. We have found evidence that over 20% of the aging-related genes had their levels of expression reset to young levels by stimulating proliferation, even in cells that had undergone a limited number of cell cycles and then become quiescent again. Moreover, our network analysis [may] provide insights into mechanisms involved in longevity and regeneration that are distinct from cancer."

Link: http://www.ncbi.nlm.nih.gov/pubmed/22477361

Source:
http://www.longevitymeme.org/newsletter/latest_rss_feed.cfm