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Wisconsin scientists grow critical nerve cells

After years of trial and error, scientists have coaxed human embryonic stem cells to become spinal motor neurons, critical nervous system pathways that relay messages from the brain to the rest of the body. The new findings, reported online today (Jan. 30, 2005) in the journal Nature Biotechnology by scientists from the University of Wisconsin-Madison, are important because they provide c...

Scientists ID molecular 'switch' in liver that triggers harmful effects of saturated and trans fats

Dana-Farber Cancer Institute researchers have identified a molecular mechanism in the liver that explains, for the first time, how consuming foods rich in saturated fats and trans-fatty acids causes elevated blood levels of cholesterol and triglycerides and increases one's risk of heart disease and certain cancers. In the Jan. 28 issue of Cell, scientists led by Bruce Spiegelman, PhD, rep...

UCSB scientists probe sea floor venting to gain understanding of early life on Earth

New keys to understanding the evolution of life on Earth may be found in the microbes and minerals vented from below the ocean floor, say scientists at the University of California, Santa Barbara. The UCSB scientists are making new contributions to this field of inquiry in their studies of seafloor hydrothermal fluid discharge into the Earth's oceans, which has been occurring ever since t...

UAB scientists discover the origin of a mysterious physical force

Ever since the 1970s, scientists have been trying to establish the cause of a repulsive force occurring between different electrostatically charged molecules, such as DNA and other biomolecules, when they are very close to each other in aqueous media. This force became know as hydration force. Jordi Faraudo, a researcher for the Department of Physics at the Universitat Autònoma de Barcelo...

Fox Chase Cancer Center scientists identify immune-system mutation

A team of Fox Chase Cancer Center scientists led by immunologist Dietmar J. Kappes, Ph.D., has identified the genetic mutation that keeps a mouse strain from developing white blood cells, or lymphocytes, called helper T cells. The report by Kappes and his colleagues appears in the Feb. 24 issue of Nature. Kappes' laboratory first discovered the mice with this naturally occurring defect in...

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UW scientist wins Pew grant to study little-known immune cells

Jenny Gumperz, an assistant professor of medical microbiology and immunology, will receive $60,000 per year for the next four years from the Pew Charitable Trusts, an independent nonprofit organization that annua...

Scientists find nanotech method for examining cells

The crystals, sometimes known as quantum dots, are tiny on the order of a handful of molecules. Researchers, including University of Wisconsin-Madison professors Dan van der...

UW computer scientists fighting computer virus "Cold War"

First came the virus. Then came the antivirus software. Ever since, virus programmers have been escalating their technology, trying to stay one step ahead of the computer security engi...

UW scientist, former WiCell director found stem cell company

Donley already is rubbing elbows with interested investors, particularly angels, but she knows that one of the key criteria for...

Scientists find way to make human collagen in lab

It is the most important structural protein in the body, reinforcing connective tissue, bones and teeth, and forming long, fibrous cables to strengthen tendons. Collagen forms sheets of tissue that support the skin and every internal organ. There is nothing in the body, in fac...

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Nobel Prize for Medicine shared by Three scientists

Arvid Carlsson, Paul Greengard and Eric Kandel won the Nobel Prize in medicine for their discoveries concerning "signal transduction in the nervous system." The three Nobel laureates will share the 9 million kronor ($915,000) prize for their pioneering discoveries "concerning one type of signal transduction between nerve cells, referred to as slow synaptic transmission," according to the award ci...

Scientists plan human cloning clinic in the United States

An international group of reproductive scientists plan to launch a human cloning clinic, which will provide cloning services to infertile couples within 18 months, according to a US infertility specialist, Dr. Panayiotis Zavos. Dr. Zavos, a biologist at the Univeristy of Kentucky, is not medically qualified but holds a doctorate in reproductive physiology and is an owner and director of...

Scientists found ancient Human Germ Killer

A substance that scientists created using information taken from a monkey gene ``dramatically protected'' human cells from the AIDS virus in a laboratory experiment. The researchers believe the substance, which they call ``retrocyclin,'' was once produced naturally in human cells, but was lost to humans because of an ancient mutation. Alexander Cole, a scientist at the University of C...

Scientists Developed Cheap Way To Assess Sleep

Scientists from Beth Israel Deaconess Medical Center had developed a novel way to assess sleep and diagnose sleep related problems in a very cost effective manner. They had reported in the journal Sleep that it is possible to use the information from the heartbeats// to develop the procedures that will successfully measure the quality of sleep of the problems associated with it. Known...

Five New Anti-Inflammatory Compounds Produced By Indian Scientists

Five new anti-inflammatory compounds (fight against inflammation) that are 10, 000 times more potent than the most commonly used drugs such as nimusulide and aspirin have been developed and patented by Indian researchers.// Researchers from the All India Institute of Medical Sciences (AIIMS), situated in New Delhi, India, have carried out the work. "These compounds are about 10,000 ti...

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Rosetta Genomics and Weizmann Institute Scientists Identify Role of microRNA in Cancer Suppression

Findings Published in Molecular Cell Show Potential of microRNAs asNovel Cancer Drug Targets REHOVOT, Israel and NORTH BRUNSWICK, New Jersey, July 05, 2007/PRNewswire-FirstCall/ -- Rosetta Genomics Ltd , a leading microRNAcompany, announced today research published in the journalMolecular Cell by scientists from the Weizmann Institute of Scienceand Rosetta Genomics . The findings suggest...

Schepens Scientists Identify Key to Integrating Transplanted Nerve Cells Into Injured Tissue

Discovery promises to make retina, spinal cord and other centralnervous system transplants possible BOSTON, April 26, 2007 /PRNewswire/ -- Scientists at theSchepens Eye Research Institute, an affiliate of Harvard MedicalSchool, have identified a key mechanism for successfullytransplanting tissue into the adult central nervous system. Thestudy found that a molecule known as MMP-2 (which is...

Karmanos Physician-Scientists Examine Racial Disparities in Patients with Gynecologic Cancer

DETROIT, April 16, 2007 /PRNewswire/ -- Karmanos CancerInstitute physician-scientists today reported on two researchstudies investigating racial disparities in patients withgynecologic cancer at the American Association of Cancer Researchannual meeting in Los Angeles, CA. Caucasian patients with endometrial or ovarian cancer, onaverage, live longer than their African American count...

Scientists Implicate Gene in Vitiligo and Other Autoimmune Diseases

BETHESDA, Md., April 10, 2007--In a study appearing in the March22 New England Journal of Medicine, scientists supported by theNational Institutes of Healths National Institute of Arthritis andMusculoskeletal and Skin Diseases (NIAMS) have discovered aconnection between a specific gene and the inflammatory skincondition vitiligo, as well as a possible host of autoimmunediseases. V...

The Sturdier Sex?: Study by Pittsburgh Scientists Finds Female Stem Cells Work Better

Stem Cells Isolated from Females Regenerate Skeletal Muscle MoreEfficiently than Male Cells PITTSBURGH, April 09, 2007 /PRNewswire/ -- Female stem cellsderived from muscle have a greater ability to regenerate skeletalmuscle tissue than male cells, according to a study at Children'sHospital of Pittsburgh of UPMC. The study, which is being published in the April 9 issue of theJournal...

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