Tag: "ucsd" at biology news

2 UCSD physician-scientists named to Association of American Physicians

... The Association of American Physicians is a nonprofit, professional organization founded for "the advancement of scientific and practical medicine." Today, the Association is composed of about 1,0...

Genomic variation easier to identify with UCSD/Brown software

... Scientists at the University of California, San Diego (UCSD) and Brown University have devised a new method for dete...

UCSD computer scientist wins Young Investigator Award, research on snake venom proteins highlighted

... Modified snake venom proteins have been used in the past to create blood thickening and thinning drugs and powerful pain killers -- but there is much more to learn about...

UCSD scientists establish connection between life today and ancient changes in ocean chemistry

... ... The study, published in this week's edition of the Proceedings of the National Academy of Sciences, sought to verify the theory that the rise in atmospheric oxygen some 2.3 billion yea...

UCSD biologists solve plant growth hormone enigma

... ... The study, published in the July 1 issue of the journal Genes and Development, describes the discovery of a whole family of auxin genes, and shows that each gene is switched on at a distinct location in the plant. Contrary to the current thinking in the field, the research shows that the patterns i...

UCSD researchers develop 'smart petri dish'

Researchers at the University of California, San Diego have developed what they call a "Smart Petri Dish" that could be used to rapidly screen new drugs for toxic interactions or identify cells in the early stages of cancer circulating through a patient's blood....... Their invention, described in the June 20 issue of Langmuir, a physical chemistry journal published by the American Chemical Socie...

UCSD study reveals how plants respond to elevated carbon dioxide

An important source of uncertainty in predictions about global warming is how plants will respond to increasing atmospheric carbon dioxide. Now biologists at the University of California, San Diego have made significant advances toward understanding the mechanism plants use to regulate their carbon dioxide intake. ......The study, published in the May 1 early on-line edition of the journal Proce...

UCSD forms stem cell collaboration with major Australian centers

Scientists from the University of California, San Diego are joining forces with colleagues from Australia's Monash University and the Australian Stem Cell Centre to create a powerful new international collaboration in stem cell research. The collaboration was announced Monday, April 10 at the BIO 2006 conference in Chicago by Premier Steve Bracks and Minister for Innovation John Brumby of the st...

UCSD biochemists discover bacteria's Achilles' heel

Researchers at the University of California, San Diego have determined what factors turn on protein production in bacteria, a finding that provides new targets for the development of antibiotics. ......In the study, published in the April 7 issue of the journal Molecular Cell, researchers Sean Studer and Simpson Joseph in UCSD's Department of Chemistry and Biochemistry report how the messenger R...

UCSD project takes fish collection into the digital age

Novel application of MRI leads to new tools for online digital dissection of preserved fishes from one of the world's most valuable natural history collections...... The same medical technology used to image brain tumors and torn knee ligaments is now taking the field of marine biology to a new dimension by allowing anyone with Internet access to examine fish as never before....... Researchers at...

UCSD study finds anthrax toxins also harmful to fruit flies

Deadly and damaging toxins that allow anthrax to cause disease and death in mammals have similar toxic effects in fruit flies, according to a study conducted by biologists at the University of California, San Diego....... Their findings, which appear this week in an early online edition of the journal Proceedings of the National Academy of Sciences, show that fruit flies can be used to study the...

UCSD study shows 'junk' DNA has evolutionary importance

Genetic material derisively called "junk" DNA because it does not contain the instructions for protein-coding genes and appears to have little or no function is actually critically important to an organism's evolutionary survival, according to a study conducted by a biologist at the University of California, San Diego....... In the October 20 issue of Nature, Peter Andolfatto, an assistant profes...

UCSD discovery may provide novel method to generate medically useful proteins

A team led by University of California, San Diego biochemists has discovered the mechanism by which a simple organism can produce 10 trillion varieties of a single protein, a finding that provides a new tool to develop novel drugs....... In the September 18 advance on-line publication of the journal Nature Structural and Molecular Biology, the researchers describe the mechanism by which a virus t...

UCSD study of nuclear receptors could change anti-inflammatory treatments

Several nuclear receptor proteins appear to overlap in their ability to exert anti-inflammatory effects, according to new research by scientists at the University of California, San Diego (UCSD). Nuclear receptors are important drug targets for a number of diseases, for example, glucocorticoid receptors for asthma and arthritis. But use of drugs targeting these receptors is sometimes limited by...

UCSD researchers boost white blood cells' ability to kill bacteria

Scientists at the University of California, San Diego have determined how white blood cells up the ante against invading bacteria, a finding that may lead to new treatments for infections including those caused by invasive--"flesh-eating"-- Streptococcus bacteria....... The findings, which are published in the July, 2005 issue of The Journal of Clinical Investigation, represent a collaborative ef...

UCSD research reveals mechanism involved with type of fatal epilepsy

Researchers at University of California, San Diego (UCSD) have found that Lafora disease, an inherited form of epilepsy that results in death by the age of 30, can be caused by mutations in a gene that regulates the concentration of the protein laforin. These findings are reported in the current issue of (PNAS)....... Lafora disease is characterized by normal development for the first decade of...

UCSD medical researchers show protein's role in stopping bacterial-induced inflammation

In findings that could have implications for autoimmune disorders and drug-resistant bacterial infections, researchers at the University of California, San Diego (UCSD) School of Medicine have identified a key protein involved in the appropriate shut-down of inflammation following an immune response to invading pathogens....... , the study in mice and lab cultures of immune cells called macrophag...

UCSD bioinformatics researcher studies tumor genome architectures with career award

Postdoctoral researcher Benjamin Raphael is one of only eleven scientists nationwide honored by the Burroughs Wellcome Fund (BWF) for work at the intersection of computer science, mathematics, and biology. The mathematician and computer scientist from the University of California, San Diego's Jacobs School of Engineering will receive $500,000 over five years from BWF to support his research in th...

Statins, other cholesterol depletors, may disrupt hypertension development: UCSD study

San Diego (April 3, 2005) Cholesterol-lowering agents, such as the widely-prescribed statin drugs, and cholesterol-blocking agents may prove to be "novel therapeutic agents to modify cellular calcium that contributes to the development of pulmonary hypertension," according Hemal H. Patel who lead a multidisciplinary team of researchers at the University of California, San Diego (UCSD).... ...In...

Nobel Laureate Sydney Brenner receives 2005 UCSD/Merck Life Science Achievement Award

Sydney Brenner, a distinguished professor at the Salk Institute for Biological Studies and a recipient of the 2002 Nobel Prize in medicine, has been selected to receive the 2005 UCSD/Merck Life Sciences Achievement Award. ......Brenner, who is also an adjunct professor of biology at the University of California, San Diego, will receive the prestigious $25,000 award on April 1 at a dinner on the U...

Natural tumor suppressor in body discovered by UCSD medical researchers

A natural tumor suppressor that could potentially be turned on in certain cancer cells to prevent the formation of tumors has been discovered by researchers at the University of California, San Diego (UCSD) School of Medicine. ......Located on chromosome 18 and called PH domain Leucine-rich repeat Protein Phosphatase (PHLPP, pronounced "flip"), the tumor suppressor is described in the April 1,...

Vital step in cellular migration described by UCSD medical researchers

A vital molecular step in cell migration, the movement of cells within the body during growth, tissue repair and the body's immune response to invading pathogens, has been demonstrated by researchers in the University of California, San Diego (UCSD) School of Medicine. Published in the March 27 online edition of Nature Cell Biology and the journal's upcoming April print edition, the study descri...

UCSD researchers maintain stem cells without contaminated animal feeder layers

The growth and maintenance of human embryonic stem cells in the absence of contaminated animal products has been demonstrated by University of California, San Diego (UCSD) School of Medicine researchers in the Whittier Institute*, La Jolla, California....... Published in the April 2005 issue of the journal Stem Cells, the study shows that laboratory culture media enriched by a human protein calle...

UCSD medical/bioengineering reseachers show titanium debris satobtage artificial joints

Microscopic titanium particles weaken the bonding of hip, knee, and other joint replacements, according to research published online in Proceedings of the National Academy of Sciences by researchers at the University of California, San Diego (UCSD) School of Medicine and the Jacobs School of Engineering. The team demonstrated that titanium implants are safe in large blocks, but at the microscopi...

UCSD discovery may help extend life of natural pesticide

A team led by biologists at the University of California, San Diego has discovered a molecule in roundworms that makes them susceptible to Bacillus thuringiensis toxin, or Bt toxin--a pesticide produced by bacteria and widely used by organic farmers and in genetically engineered crops to ward off insect pests. ......Their findings should facilitate the design and use of Bt toxins to prevent insec...

UCSD team discovers specialized, rare heart stem cells in newborns

The first evidence of cardiac progenitor cells rare, specialized stem cells located in the newborn heart of rats, mice and humans has been shown by researchers at the University of California, San Diego (UCSD) School of Medicine. The cells are capable of differentiation into fully mature heart tissue....... Called isl1+ cells, these cardiac progenitor cells are stem cells that have been progra...

Calit2 launches prize program to encourage bioinformatics research by UCSD undergraduates

San Diego, CA, February 3, 2005 Inaugurating a new awards program, the California Institute for Telecommunications and Information Technology (Calit2) at the University of California, San Diego will honor undergraduate students whose research in bioinformatics is accepted for publication in a peer-reviewed journal or conference proceeding. The first two Calit2 Undergraduate Bioinformatics Schola...

Pro-inflammatory protein contributes to Crohn's disease according to UCSD School of Medicine study

A pro-inflammatory protein activated by bacteria in the colon plays a key role in the development of experimental colitis in mice a mouse-version of human Crohn's disease according to research by scientists at the University of California, San Diego (UCSD) School of Medicine. ......The study, published in the February 4, 2005 issue of the journal Science, identified interleukin-1Beta (IL-1) as...

Current human embryonic stem cell lines contaminated UCSD/Salk team finds

Currently available lines of human embryonic stem cells have been contaminated with a non-human molecule that compromises their potential therapeutic use in human subjects, according to research by investigators at the University of California, San Diego (UCSD) School of Medicine and the Salk Institute in La Jolla, California....... , the researchers found that human embryonic stem cells, includi...

UCSD medical researchers discover molecular pathway that turns a juvenile heart into an adult heart

Researchers at the University of California, San Diego (UCSD) School of Medicine have discovered the molecular sequence of events in mice that turn a juvenile heart into an adult heart capable of responding to increased workloads....... , the study identifies a protein called ASF/SF2 as a regulator of a calcium enzyme responsible for heart contraction and tissue growth. Mice born with mutated or...

UCSD discovery shows how embryonic stem cells perform 'quality control' inspections

Biologists at the University of California, San Diego have found a fundamental mechanism used by embryonic stem cells to assure that genetically damaged stem cells do not divide and pass along the damage to daughter stem cells.... ...Their discovery, detailed in an advance online publication of the journal Nature Cell Biology, solves the longstanding mystery of how embryonic stem cells, which hav...

UCSD researchers derive lessons about human evolution from chicken genome

UC San Diego experts in bioinformatics have co-authored with other scientists the first large-scale comparison of mammal and bird genomes, published in the December 9 edition of Nature. The journal's cover story includes a draft sequence of the chicken genome assembled and analyzed by members of the International Chicken Genome Sequencing Consortium. ...... The chicken genome provides several fir...

UCSD biologists identify gene in corn plants that may have paved way for development of maize

Biologists at the University of California, San Diego have identified a gene that appears to have been a critical trait in allowing the earliest plant breeders 7,000 years ago to transform teosinte, a wild grass that grows in the Mexican Sierra Madre, into maize, the world's third most planted crop after rice and wheat.... ... In a paper that appears in the December 2 issue of the journal...

UCSD discovery opens new avenues for design of anti-tumor medications

The response of blood vessels to low oxygen levels may be the Achilles' heel of a developing tumor, according to a study led by University of California, San Diego biologists.... ...The study, published in the November 15 issue of the journal Cancer Cell, is the first to examine how blood vessels respond to the low oxygen conditions that result from the presence of a growing tumor. Previous work...

UCSD researchers find effective treatment for unusual fever syndrom caused by cold exposure

Remember when Grandma used to say 'don't go out in the cold; you'll get sick'? It turns out that she was right for a small number of people who have a condition called familial cold autoinflammatory syndrome (FCAS), in which individuals are afflicted by rash, fever, joint pain and flu-like symptoms after exposure to cold conditions as mild as an air-conditioned room or fall breeze.... ...The di...

UCSD biologists discover chemical important in guiding visual system development

University of California, San Diego neurobiologists have discovered a chemical responsible for the bursts of electrical activity in the brain that guide the development of the visual system, a finding that may bring rewiring of damaged visual circuits closer to reality.... ...The scientists, who presented their evidence at a session of the annual Society for Neuroscience meeting in San Diego,...

Gene for Joubert syndrom with excessive brain folds discovered by UCSD researchers and Harvard team

Researchers at the University of California, San Diego (UCSD) School of Medicine have discovered the gene for a form of Joubert Syndrome, a condition present before birth that affects an area of the brain controlling balance and coordination in about 1 in 10,000 individuals. Their study, published in the November 2004 issue of the American Journal of Human Genetics*, pointed to mutations in a ge...

UCSD medical researchers use brain cell transplants to correct muscle spasms after aneurysm surgery

Transplantation of human brain cells corrected involuntary muscle spasms in rats with ischemic spinal cord injury, according to research published online October 12 and in print October 19, 2004 in the European Journal of Neurosciences by investigators at the University of California, San Diego (UCSD) School of Medicine.... ...Ischemic spinal cord injury, caused by reduced blood flow to the spina...
(Date:7/30/2014)... protection from HIV infection could be as simple as ... , University of Washington bioengineers have discovered a ... protects women from contracting HIV. Their method spins the ... contact with moisture, releasing higher doses of the drug ... or creams. , "This could offer women a potentially ...
(Date:7/30/2014)... Long before humans figured out how to create colors, ... bright butterfly wings of many different hues, for example. ... a more environmentally friendly way to make colored plastics. ... and architectures of materials rather than dyes, to ... Letters . , N. Asger Mortensen, Anders Kristensen and ...
(Date:7/30/2014)... Steven Chown has been awarded the Scientific Committee ... in Antarctic Research. , SCAR, an inter-disciplinary international ... international scientific research in the Antarctic region, and ... the Earth system. The organisation also provides scientific ... responsible for governing the region. , The medal ...
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