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NYU researchers break nano barrier to engineer the first protein microfiber

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PUBLIC RELEASE DATE:

23-Oct-2014

Contact: Kathleen Hamilton kathleen.hamilton@nyu.edu 718-260-3792 New York University Polytechnic School of Engineering @nyupoly

Researchers at the New York University Polytechnic School of Engineering have broken new ground in the development of proteins that form specialized fibers used in medicine and nanotechnology. For as long as scientists have been able to create new proteins that are capable of self-assembling into fibers, their work has taken place on the nanoscale. For the first time, this achievement has been realized on the microscalea leap of magnitude in size that presents significant new opportunities for using engineered protein fibers.

Jin Kim Montclare, an associate professor of chemical and biomolecular engineering at the NYU School of Engineering, led a group of researchers who published the results of successful trials in the creation of engineered microfiber proteins in the journal Biomacromolecules.

Many materials used in medicine and nanotechnology rely on proteins engineered to form fibers with specific properties. For example, the scaffolds used in tissue engineering depend on engineered fibers, as do the nanowires used in biosensors. These fibers can also be bound with small molecules of therapeutic compounds and used in drug delivery.

Montclare and her collaborators began their experiments with the intention of designing nanoscale proteins bound with the cancer therapeutic curcumin. They successfully created a novel, self-assembling nanoscale protein, including a hydrophobic pore capable of binding small molecules. To their surprise, after incubating the fibers with curcumin, the protein not only continued to assemble, but did so to a degree that the fibers crossed the diameter barrier from the nanoscale to the microscale, akin to the diameter of collagen or spider silk.

"This was a surprising and thrilling achievement," said Montclare, explaining that this kind of diameter increase in the presence of small molecules is unprecedented. "A microscale fiber that is capable of delivering a small molecule, whether it be a therapeutic compound or other material, is a major step forward."

Montclare explained that biomaterials embedded with small molecules could be used to construct dual-purpose scaffolds for tissue engineering or to deliver certain drugs more efficiently, especially those that are less effective in an aqueous environment. Using microscopy, the team was able to observe the fibers in three dimensions and to confirm that the curcumin, which fluoresces when bound to structural protein, was distributed homogeneously throughout the fiber.

Despite the enormity of the jump from nano- to microscale, the research team believes they can devise even larger fibers. The next step, Montclare says, is developing proteins that can assemble on the milliscale, creating fibers large enough to see with the naked eye. "It's even possible to imagine generating hair out of cell assembly," she says.

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NYU researchers break nano barrier to engineer the first protein microfiber

Researchers break nano barrier to engineer the first protein microfiber

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Researchers at the New York University Polytechnic School of Engineering have broken new ground in the development of proteins that form specialized fibers used in medicine and nanotechnology. For as long as scientists have been able to create new proteins that are capable of self-assembling into fibers, their work has taken place on the nanoscale. For the first time, this achievement has been realized on the microscalea leap of magnitude in size that presents significant new opportunities for using engineered protein fibers.

Jin Kim Montclare, an associate professor of chemical and biomolecular engineering at the NYU School of Engineering, led a group of researchers who published the results of successful trials in the creation of engineered microfiber proteins in the journal Biomacromolecules.

Many materials used in medicine and nanotechnology rely on proteins engineered to form fibers with specific properties. For example, the scaffolds used in tissue engineering depend on engineered fibers, as do the nanowires used in biosensors. These fibers can also be bound with small molecules of therapeutic compounds and used in drug delivery.

Montclare and her collaborators began their experiments with the intention of designing nanoscale proteins bound with the cancer therapeutic curcumin. They successfully created a novel, self-assembling nanoscale protein, including a hydrophobic pore capable of binding small molecules. To their surprise, after incubating the fibers with curcumin, the protein not only continued to assemble, but did so to a degree that the fibers crossed the diameter barrier from the nanoscale to the microscale, akin to the diameter of collagen or spider silk.

"This was a surprising and thrilling achievement," said Montclare, explaining that this kind of diameter increase in the presence of small molecules is unprecedented. "A microscale fiber that is capable of delivering a small molecule, whether it be a therapeutic compound or other material, is a major step forward."

Montclare explained that biomaterials embedded with small molecules could be used to construct dual-purpose scaffolds for tissue engineering or to deliver certain drugs more efficiently, especially those that are less effective in an aqueous environment. Using microscopy, the team was able to observe the fibers in three dimensions and to confirm that the curcumin, which fluoresces when bound to structural protein, was distributed homogeneously throughout the fiber.

Despite the enormity of the jump from nano- to microscale, the research team believes they can devise even larger fibers. The next step, Montclare says, is developing proteins that can assemble on the milliscale, creating fibers large enough to see with the naked eye. "It's even possible to imagine generating hair out of cell assembly," she says.

Explore further: Chemists create nanofibers using unprecedented new method

More information: "Engineered Coiled-Coil Protein Microfibers." Biomacromolecules, 2014, 15 (10), pp 35033510 DOI: 10.1021/bm5004948

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Researchers break nano barrier to engineer the first protein microfiber

First protein microfiber engineered: New material advances tissue engineering and drug delivery

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Researchers at the New York University Polytechnic School of Engineering have broken new ground in the development of proteins that form specialized fibers used in medicine and nanotechnology. For as long as scientists have been able to create new proteins that are capable of self-assembling into fibers, their work has taken place on the nanoscale. For the first time, this achievement has been realized on the microscale -- a leap of magnitude in size that presents significant new opportunities for using engineered protein fibers.

Jin Kim Montclare, an associate professor of chemical and biomolecular engineering at the NYU School of Engineering, led a group of researchers who published the results of successful trials in the creation of engineered microfiber proteins in the journal Biomacromolecules.

Many materials used in medicine and nanotechnology rely on proteins engineered to form fibers with specific properties. For example, the scaffolds used in tissue engineering depend on engineered fibers, as do the nanowires used in biosensors. These fibers can also be bound with small molecules of therapeutic compounds and used in drug delivery.

Montclare and her collaborators began their experiments with the intention of designing nanoscale proteins bound with the cancer therapeutic curcumin. They successfully created a novel, self-assembling nanoscale protein, including a hydrophobic pore capable of binding small molecules. To their surprise, after incubating the fibers with curcumin, the protein not only continued to assemble, but did so to a degree that the fibers crossed the diameter barrier from the nanoscale to the microscale, akin to the diameter of collagen or spider silk.

"This was a surprising and thrilling achievement," said Montclare, explaining that this kind of diameter increase in the presence of small molecules is unprecedented. "A microscale fiber that is capable of delivering a small molecule, whether it be a therapeutic compound or other material, is a major step forward."

Montclare explained that biomaterials embedded with small molecules could be used to construct dual-purpose scaffolds for tissue engineering or to deliver certain drugs more efficiently, especially those that are less effective in an aqueous environment. Using microscopy, the team was able to observe the fibers in three dimensions and to confirm that the curcumin, which fluoresces when bound to structural protein, was distributed homogeneously throughout the fiber.

Despite the enormity of the jump from nano- to microscale, the research team believes they can devise even larger fibers. The next step, Montclare says, is developing proteins that can assemble on the milliscale, creating fibers large enough to see with the naked eye. "It's even possible to imagine generating hair out of cell assembly," she says.

Researchers from three institutions collaborated on this work. In addition to Montclare, NYU School of Engineering doctoral candidate Jasmin Hume, graduate student Rudy Jacquet, and undergraduate student Jennifer Sun co-authored the paper. Richard Bonneau, an associate professor in NYU's Department of Biology and a member of the computer science faculty at NYU's Courant Institute of Mathematical Sciences, and postdoctoral scholar P. Douglas Renfrew also contributed, along with M. Lane Gilchrist, associate professor of chemical engineering at City College of New York and master's degree student Jesse A. Martin, also from City College. Their work was supported by the Army Research Office and the National Science Foundation.

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The above story is based on materials provided by New York University Polytechnic School of Engineering. Note: Materials may be edited for content and length.

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First protein microfiber engineered: New material advances tissue engineering and drug delivery

Oxford University big data and IoT project to 'create the NASA of biomedicine'

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Care for cancer patients within the NHS will be radically improved through the combined power of such technologies as big data, informatics and Internetof Things-connected devices to sequence the genomes of individual patients.

That's what a collaboration between the University of Oxford and the US-based Chan Soon-Shiong Institute of Molecular Medicine is hoping to achieve, with the two organisations announcing their partnership today at an event in London.

The plan has the full backing of the government, with Minister for Life Sciences George Freeman MP, who was at the event, likening its ambition to that of NASA when it was aiming for the Moon.

"This is a project to sequence the full genome of 100,000 patient volunteers in the NHS and combine it with the hospital clinical data," he said.

"We're creating the world's first at-scale dataset [of the genome], the NASA of biomedicine, which will help to shape the precision medicine landscape in the 21st century. Pulling together the two transformational technologies of genomics and informatics will allow us to practise in our health system a much more targeted, precise model of medicine for the benefit of patients," Freeman added.

When Computing asked about the technology behind the genome project, Dr Patrick Soon-Shiong, founder and chairman of the Chan Soon-Shiong Institute for Molecular Medicine, gave some insights into the computing power that will be harnessed to diagnose and treat cancer.

He explained that examining the genome of just one patient represents half a terabyte of data. Therefore, to collect and analyse data from many thousands of patients will require the resources of a supercomputer.

"If you look at the United States there's 13 million cancer survivors, which translates to 4,000 or 5,000 a day. That's equivalent to 50 to 60 times the download of information from Facebook every day," Dr Soon-Shiong explained.

This is why a phenomenal amount of computing power is required to extract data from the "tiny matter" of the genome.

"The first thing that was needed was an infrastructure of data transfer which had never actually been considered on this planet before. So we had to actually create an infrastructure which could move all that data; this is now active," Dr Soon-Shiong told Computing.

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Oxford University big data and IoT project to 'create the NASA of biomedicine'

George Washington University Researchers Help Organize International Symposium on Thymosins in Health and Disease

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Newswise WASHINGTON (Oct. 23, 2014) The George Washington University School of Medicine and Health Sciences (SMHS), in collaboration with the University of Rome Tor Vergata, is pleased to host the Fourth International Symposium on Thymosins in Health and Disease in Rome, Oct. 23-25. This meeting will bring together many of the leading researchers in the U.S., Europe, and Asia, to report on advances that have been made in the chemistry, biology, and clinical application of the thymosins in health and disease.

Thymosins have significant promise and may be key to new approaches for the treatment of a number of difficult to treat human diseases, ranging from severe sepsis to neurothrophic keratitis, said Allan L. Goldstein, Ph.D., Emeritus Professor and Chairman of the Department Biochemistry and Molecular Medicine at SMHS and co-chair of the symposium. Based on recent discoveries in host immunity and regenerative medicine, thymosins, and other biological response modifiers, have already given us additional weapons in the fight against cancer and a number of infectious diseases. This conference will bring together the greatest minds in the field, allowing us to collaborate and look forward to additional breakthroughs.

Thymosins are a family of biologically active peptides with hormone-like properties that were first isolated in 1966. Since that time, significant progress has been made in understanding the role of these molecules in immunity and the nature of the physiological processes they regulate. Several of these small peptides, such as thymosin alpha 1 and thymosin beta 4, have been synthesized and shown to have important clinical applications. The physiological processes that these peptides affect include stimulation or suppression of immune responses, regulation of actin dynamics and cell motility, neuroplasticity, repair and remodeling of vessels of the heart and other injured tissues, angiogenesis, and stem cell differentiation. Several of these molecules have also been shown to be useful as molecular markers and as potential diagnostics in areas ranging from cancer and infectious diseases to autoimmune diseases and aging.

These experts will review the most current data and focus on recent advances and future prospects for the use of thymosins in clinical medicine. The scientific themes of the symposium will include both experimental and clinical data and the latest molecular, cellular, and gene approaches using combined therapies.

As part of the symposium, the 2014 Abraham White Scientific, Humanitarian, and Public Service Awards, which honor individuals who have made unique contributions to science and medicine, will be presented. Notable past recipients include Nobel laureates Bengt Samuelsson, M.D.; Julius Axelrod, M.D.; Michael Brown, M.D.; Joseph Goldstein, M.D.; and Tim Hunt, Ph.D., in addition to a number of other distinguished scientists. This year, the award will be presented to the following awardees:

- Michael Chopp, Ph.D. and Barbara Ensoli, M.D., Ph.D. will be honored as the 2014 Abraham White Distinguished Scientific Awardees. Chopp is being honored for his pioneering studies and scientific contributions, which have significantly advanced understanding of the role of Thymosin 4 in the treatment of a number of neurological diseases. Ensoli is also being honored for her pioneering studies and scientific contributions, which have significantly advanced understanding of the role of the HIV-1 Tat protein antigen in the development of both preventive and therapeutic HIV vaccines.

- Guido Rasi, M.D., executive director of the European Medicines Agency, will be honored as the 2014 Abraham White Lifetime Public Service Awardee for his lifetime of scientific and medical accomplishments in advancing the development of new pre-clinical models in oncology, including the use of novel combinations of chemo-immunotherapeutic approaches and nanosystem drug delivery.

Leticia Hall-Salam, director of the Office of Continuing Education in the Health Professions at SMHS, and Jessica R. Sa-Reed, lab assistant in the Department of Biochemistry and Molecular Medicine at SMHS, were also instrumental in the organization of this international meeting. Hynda Kleinman, Ph.D., adjunct professor of biochemistry and molecular medicine at SMHS, along with Goldstein, will speak at the symposium.

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George Washington University Researchers Help Organize International Symposium on Thymosins in Health and Disease

Your Take: How and when to watch the solar eclipse

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Get your camera gear and protective filters ready: a partial solar eclipse is due Thursday. A solar eclipse occurs when the moon passes between the Earth and the sun. It's a spectacular sight, and an even better photo opportunity. Here are some tips and pointers to keep in mind when photographing the solar eclipse.

DO

? Use a solar filter to protect your DSLR camera sensor

? Use protective eyewear, such as welder's glasses

? Use a tripod or mount to avoid a blurry photo

? Manually focus your camera

? Set your camera settings before the solar eclipse - test those settings on a non-eclipse day

? Use a high ISO setting and high resolution - to keep exposures very short and prevent blurring from vibrations

DON'T ? Use a smartphone

? Look directly at the sun with your camera/eyes unless both are protected

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Yes, the newborn babies you see on Facebook are wrapped in the same blanket

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Have you ever noticed that it looks like all of the newborn baby photos you see posted on Facebook or other social media outlets are wrapped in the same exact blanket? Well, youre not losing your mind. It is, in fact, the same blanket.

The blanket is part of the Kuddle-Up line by Mundelein produced by the healthcare supply company Medline. The company was started by A.L. Mills back in 1910. Throughout the decades, Mills had a mission to make things like hospital gowns and receiving blankets less drab. And when the blanket idea came about it in the late 1950s, it was pretty simple blue and pink stripes covers the bases for a unisex baby product. Now, Medline sells 1.5 million Kuddle-Up blanketsin Candy Stripe every year.

Not only does every hospital-born childin the USget wrapped in the Kuddle-Up, most of them have their photos pasted on the web very soon after, according to Quartz. A 2011 study found that 66% of GenX parents (those born in the late 60s and 70s) post photos of their children online. In the UK, one study found, most parents post a picture of their newborn within an hour of his birth. While no one at Facebook could say how many newborn photos are posted, its users upload 350 million pictures each day.

A.L. Mills would be proud to know that not only are his blankets not drab, they are getting free advertising daily. Success.

[Baby with blanket photo by flickr user Scott Sherrill Mix ]

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Feed Your Soul Music Vol. 03 (Mixed by Deep Medicine) (Vocal Mix) – Video

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Feed Your Soul Music Vol. 03 (Mixed by Deep Medicine) (Vocal Mix)
Feed Your Soul Music Vol. 03 is a podcast that was mixed by Scelo Ntshangase also known as Deep Medicine. This podcasts is made to share and enjoy good South African soulful house music. ...

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Feed Your Soul Music Vol. 03 (Mixed by Deep Medicine) (Vocal Mix) - Video

Q&A – From Cowardice to Shellshock: Medicine, Psychiatry and the Great War – Video

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Q A - From Cowardice to Shellshock: Medicine, Psychiatry and the Great War
Are stretcher-bearers to most underappreciated heroes of the Great War? Can you diagnose a distinction between mental illness and cowardice? How has treatment of post-traumatic stress disorder...

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Here I will show you how to say ‘Do you sell medicine(Question)’ with Zira.mp4 – Video

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Here I will show you how to say #39;Do you sell medicine(Question) #39; with Zira.mp4
Here I will show you how to say #39;Do you sell medicine(Question) #39; with Zira.mp4 Free Training course http://tiny.cc/enlishcities This video teaches you how to say or pronounce english/american...

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Chinese medicine offers different options to treating breast cancer

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One in eight women will be diagnosed with breast cancer in their lifetime.

Mobile video

Some Louisville-area patients are seeking alternative treatments in their battle against the disease.

Meridian Acupuncture and Herbal Medicine in Louisville treats 25 to 40 patients at a given time.

Working alongside oncologists, practitioners choose a combination of acupuncture, herbal medications and diet to strengthen the body before chemotherapy or surgery.

The treatments can ease side effects like nausea, vomiting and fatigue as well as emotional ones.

"The beauty of Chinese medicine is we're trying to strengthen the individual up so their body can fight the cancer and be as healthy as it can be. So each individual is completely different. There's not one ingredient that's best, rather, one that's best for that individual person," said Robert Patrick Gittli with Meridian Acupuncture and Herbal Medicine.

"I initially started coming here because I had extremely high stress, bad allergies, high blood pressure," said patient Sherry Robinson.

Robinson fell in love with acupuncture more than two years ago.

"Within six months, I was off all of my allergy medication. I was off all my blood pressure medicine. I felt better than I've ever felt," Robinson said.

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Chinese medicine offers different options to treating breast cancer

Holocaust Survivor Maurice Vanderpol recalls anti-Semitism in Holland – Video

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Holocaust Survivor Maurice Vanderpol recalls anti-Semitism in Holland
Maurice Vanderpol recalls the first time he experienced anti-Semitism in Holland while attending medical school. Video testimony from USC Shoah Foundation #39;s Visual History Archive. To learn...

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