Daily Archives: December 17, 2014

Do caffeine's effects differ with or without sugar?

Posted: December 17, 2014 at 3:44 pm

PUBLIC RELEASE DATE:

16-Dec-2014

Contact: Kathryn Ryan kryan@liebertpub.com 914-740-2100 Mary Ann Liebert, Inc./Genetic Engineering News @LiebertOnline

New Rochelle, NY, December 16, 2014-Consuming caffeinated or sugary drinks can affect the body's metabolism, causing changes in heart and respiratory rate and weight gain. The results of a new study exploring whether individuals respond differently to caffeinated drinks that do or do not contain sugar and to sugar alone are published in Journal of Caffeine Research: The International Multidisciplinary Journal of Caffeine Science, a peer-reviewed publication from Mary Ann Liebert, Inc., publishers. The article is available free on the Journal of Caffeine Research website at http://online.liebertpub.com/doi/full/10.1089/jcr.2014.0023 until January 16, 2015.

The article entitled "Caffeine With and Without Sugar: Individual Differences in Physiological Responses During Rest", by Elaine Rush, PhD and coauthors, Auckland University of Technology (Auckland, New Zealand), describes a study in which heart rate and carbon dioxide production (as a measure of respiration) were measured 30 minutes before and after individuals consumed a defined quantity of sugar, caffeine, or sugar and caffeine. Responses to the different treatments varied widely among individuals.

"Given the caveat that sugar itself affects brain reward just as caffeine does, and this effect will in itself cause variations, this is still an essential paper for the scientist and the lay person to read," says Patricia A. Broderick, PhD, Editor-in-Chief of Journal of Caffeine Research, Medical Professor in Physiology, Pharmacology & Neuroscience, The Sophie Davis School of Biomedical Education, The City College of New York, The City University of New York, and Adjunct Professor in Neurology, New York University Langone Medical Center and Comprehensive Epilepsy Center.

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About the Journal

Journal of Caffeine Research: The International Multidisciplinary Journal of Caffeine Science is a quarterly journal published in print and online. The Journal covers the effects of caffeine on a wide range of diseases and conditions, including mood disorders, neurological disorders, cognitive performance, cardiovascular disease, and sports performance. Journal of Caffeine Research explores all aspects of caffeine science including the biochemistry of caffeine; its actions on the human body; benefits, dangers, and contraindications; and caffeine addiction and withdrawal, across all stages of the human life span from prenatal exposure to end-of-life. Tables of content and a sample issue may be viewed on the Journal of Caffeine Research website at http://www.liebertpub.com/jcr.

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Do caffeine's effects differ with or without sugar?

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Are transgender veterans at greater risk of suicide?

Posted: at 3:44 pm

PUBLIC RELEASE DATE:

16-Dec-2014

Contact: Kathryn Ryan kryan@liebertpub.com 914-740-2100 Mary Ann Liebert, Inc./Genetic Engineering News @LiebertOnline

New Rochelle, NY, December 16, 2014--Veterans of the U.S. armed forces who have received a diagnosis consistent with transgender status are more likely to have serious suicidal thoughts and plans and to attempt suicide. A new study shows that this group has a higher risk of suicide death than the general population of veterans, as described in an article in LGBT Health, a peer-reviewed journal from Mary Ann Liebert, Inc., publishers. The article is available free on the LGBT Health website until January 16, 2015.

Based on data gathered from the VA National Patient Care Database from 2000-2009, John Blosnich, PhD, MPH and coauthors from VA Pittsburgh Healthcare System and University of Pittsburgh (PA), University of Rochester (NY), VA Central Office (Washington, DC), East Tennessee State University (Johnson City, TN), and VISN2 Center of Excellence for Suicide Prevention (Canandaigua, NY), determined that while the suicide death rate among veterans with transgender-related diagnoses was higher than for veterans in general, it was similar to the suicide death rate for veterans with serious mental illness such as depression or schizophrenia.

The authors report their findings in the article "Mortality among Veterans with Transgender-Related Diagnoses in the Veterans Health Administration, FY2000-2009."

"Although this study suggests comparably elevated rates of suicide among veterans with transgender-related ICD-9-CM diagnoses and veterans with any psychiatric diagnosis, suicides among transgender veterans occurred at a younger age, resulting in greater potential years of life lost," says LGBT Health Editor-in-Chief William Byne, MD, PhD, James J. Peters VA Medical Center, Bronx, NY and Icahn School of Medicine at Mount Sinai, New York, NY. "VA has a multifaceted strategy to reduce suicide among veterans. Its commitment in 2011, and reaffirmed in 2013, to provide respectful transgender-specific healthcare as well staff training in transgender cultural awareness and sensitivity may also address the high suicide rate among transgender veterans."

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About the Journal

Spanning a broad array of disciplines, LGBT Health, published quarterly online with Open Access options and in print, brings together the LGBT research, health care, and advocacy communities to address current challenges and improve the health, well-being, and clinical outcomes of LGBT persons. The Journal publishes original research, review articles, clinical reports, case studies, legal and policy perspectives, and much more. Complete tables of content and a sample issue may be viewed on the LGBT Health website.

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Are transgender veterans at greater risk of suicide?

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Three parent babies given green light by government

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"The Government has run a comprehensive and transparent process over the lifetime of this Parliament to review the public acceptability of mitochondrial donation and the ongoing evidence of safety and efficacy of the new techniques involved, said public health minister Jane Ellison in a written statement.

The time is now right to give Parliament the opportunity to consider and vote on these regulations.

Around one in every 200 babies born in the UK has a severe mitochondrial disease. Although rare, the disorders can be passed to future generations through the maternal line.

Examples of mitochondrial diseases include conditions that cause muscle wasting, nerve damage, loss of sight and heart failure.

Chief Medical Officer, Professor Dame Sally Davies said: Mitochondrial donation will give women who carry severe mitochondrial disease the opportunity to have children without passing on devastating genetic disorders.

It will also keep the UK at the forefront of scientific development in this area.

If the new laws are voted in, it will be up to the fertility regulator, the Human Fertilisation and Embryology Authority (HFEA), to decide whether a treatment can go ahead on a case-by-case basis.

Mitochondrial transfer will only be allowed when there is a "significant risk" of disability or serious illness.

Children born after mitochondrial transfer will not be entitled to discover the identity of the "third parent" donor.

While many doctors and scientists applaud the move, pointing out that it could eliminate terrible diseases, critics argue "mitochondrial transfer" could lead to designer babies.

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Three parent babies given green light by government

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Flawless 38-0 with DNA on Comeback (ASM1) – Video

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Flawless 38-0 with DNA on Comeback (ASM1) - Video

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COD AW – ROAD TO D.N.A BOMB #3 LIVE – "Campers" – Video

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"AMAZING"DNA bomb on Team Deathmatch [36-4] – Video

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Why I Left OP And Joined DooM! (Solo Double DNA Bomb) – Video

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Why I Left OP And Joined DooM! (Solo Double DNA Bomb)
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Jurassic Park Builder NEW UPDATE DNA RESCUE TOURNAMENT – Video

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Jurassic Park Builder NEW UPDATE DNA RESCUE TOURNAMENT - Video

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U.K. may allow embryos with DNA from 3 parents

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In this image made available by the Oregon Health and Science University, a faint white blotch in the tube at right is DNA that has been removed from a human egg, center. The red dot is from a laser used in the procedure. Scientists have successfully transplanted DNA between human eggs and grown them into early embryos. Someday that technique that may let children avoid inheriting certain diseases - and give them genes from another woman besides mom. AP Photo/Oregon Health & Science University

LONDON -- New rules proposed in Britain would make it the first country to allow embryos to be made from the DNA of three people in order to prevent mothers from passing on potentially fatal genetic diseases to their babies.

In a statement issued on Wednesday, the department of health said it had taken "extensive advice" on the safety and efficacy of the proposed techniques from the scientific community.

"(This) will give women who carry severe mitochondrial disease the opportunity to have children without passing on devastating genetic disorders," Dr. Sally Davies, the U.K.'s chief medical officer, said in a statement.

Experts say that if approved by parliament, these new methods would likely be used in about a dozen British women every year who are known to have faulty mitochondria - the energy-producing structures outside a cell's nucleus. Defects in the mitochondria's genetic code can result in diseases such as muscular dystrophy, heart problems and mental retardation.

Use of the "three-parent" in-vitro fertilization (IVF) technique is also under consideration in the United States, but it has not been approved by federal regulators. In February, the U.S. Food and Drug Administration held a two-day meeting to explore the scientific, clinical and ethical issues involved. Some scientists warned it could take decades to determine if the process is safe.

The techniques involve removing the nucleus DNA from the egg of a prospective mother and inserting it into a donor egg, where the nucleus DNA has been removed. That can be done either before or after fertilization.

The resulting embryo would end up with the nucleus DNA from its parents but the mitochondrial DNA from the donor. Scientists say the DNA from the donor egg amounts to less than 1 percent of the resulting embryo's genes. But the change will be passed onto future generations, a major genetic modification that many ethicists have been reluctant to endorse.

Critics say the new techniques are unnecessary and that women who have mitochondrial disorders could use other alternatives, such as egg donation, to have children.

"Medical researchers are crossing the crucial ethical line that will open the door to designer babies," said David King of Human Genetics Alert, a secular group that opposes many genetics and fertilization research.

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The surprising DNA source that could identify rapists

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By Elizabeth Armstrong Moore

Newser

Swabs from a DNA sample collection kit are shown at the Iowa Department of Correction's Residential Treatment Facility in Sioux City, Iowa, Tuesday, Nov. 5, 2013.(AP Photo/The Sioux City Journal, Tim Hynds)

Investigators routinely analyze pubic hairs found at crime scenes where rape is suspected, but it's rare that the hair has its root, and thus sufficient DNA to identify its former owner.

Now researchers say that bacterial colonies on pubic hairs appear to be so unique to an individual that they could be used much like a fingerprint, reports Science.

"I can't believe that no one's thought about it before," the forensic biologist who led the studypublished this week in the journal Investigative Geneticstells Australia's ABC.

Silvana Tridico and her team analyzed the DNA profiles of bacteria that live in scalp and pubic hair, and found the microbes tied to the latter to be much more "specific to certain people." Further, one couple she studied who lived together had more similar profiles 18 hours after intercourse than they did two months after living together.

"I thought I'd looked at the woman's sample twice," explains Tridico, "because her partner was showing lactobacillus species," which isn't typically found on males. ABC notes this could mean that the microbes can transfer even if hair doesn't.

"You could actually swab the victim's genital area and the suspect's genital area and see if the bacteria's transferred or not," says Tridico. Still, results of the study are preliminary; only seven participants were analyzed and several questions remain, including how easily these bacteria transfer and how long they stay.

But if future studies back up these findings, forensic scientists say they could identify even rapists who wear condoms. (Meanwhile, bite marks may be thrown out of court as evidence.)

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The surprising DNA source that could identify rapists

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