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Tag: "parts" at biology news

Association of herpesvirus with lung disorder questioned

...rcoma, a type of cancer most commonly seen in some parts of Africa and southern Europe and in people infected with HIV. Primary pulmonary hypertension is characterized in part by vascular lesions in the lung, and may lead to heart failure. Some cases are associated with genetic susceptibility, the investig...

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

...sponsive element binding proteins. These important parts of the mechanism activate many key genes of lipid biosynthesis involving the pathways of cholesterol and triglycerides; these genes directed the liver to manufacture more cholesterol, which it does in the form of very low-density lipoproteins. The in...

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

... springs, streams and geothermal vents indifferent parts of the park and during different seasons. All of theenvironments had concentrations appropriate for energy metabolism.The team used computer-generated thermodynamic models to find out ifhydrogen was indeed the principle source of energy. "You can sme...

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

...ther possibility being attempted bygroups in other parts of the world is to use human embryo-derivedconnective tissue cells as the feeder layer in the culture.A further solution might be a short-term culture in heat-inactivatedserum from the actual patient who is going to receive the therapy, thescientists...

Mouse brain cells rapidly recover after Alzheimer's plaques are cleared

...th abnormal amounts of different types of cellular parts knownas organelles," Holtzman explains. "Normally any given segment of anerve cell branch would have only very small amounts of theseorganelles."Nerve cells move organelles along their branches as a part of theirregular function. Holtzman suspects th...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...he amoeba's genome surprised many scientists. "The parts list we identified implies that E. histolytica may have re-engineered aspects of its metabolism," says Loftus, citing the protist's loss of some genes and its apparent gain of other bacterial-like genes through lateral transfer. "This study will prov...

Key molecule in plant photo-protection identified

...th abnormal amounts of different types of cellular parts knownas organelles," Holtzman explains. "Normally any given segment of anerve cell branch would have only very small amounts of theseorganelles."Nerve cells move organelles along their branches as a part of theirregular function. Holtzman suspects th...

Male circumcision reduces risk of HIV transmission from women to men

...usunderstand why the virus is spreading rapidly in parts of Africa, andhelp define better HIV strategies for prevention in these settings....

Imaging Lymph Nodes with Nanoparticles

...te staging of cancers is one of the most important parts of thework up of patients for both prediction of prognosis and determinationof the most appropriate treatment. And an essential part of this workup is assessing whether or not there has been lymphatic spread. Currentmethods include surgical removal o...

“Nano-scissors?laser shows precise surgical capability

...or example, nano-sized units like nerve axons, the parts of nervecells that carry nerve impulses away from the cells to muscles or toother cells.“This tool opens up a new frontier for biologists studying nerveregeneration,?says Ben-Yakar. “We can also apply it to many otherstudies that require nanosurgery,...

Live Recombinant Adenovirus Vaccine Technique Explored

...y, which is not feasible for people living in many parts of the world,?explained Gary Ketner, PhD, senior author of the study and professor with the W. Harry Feinstone Department of Molecular Microbiology and Immunology at the Bloomberg School of Public Health. “The military developed oral vaccines for ade...

The secret lives of whales

... cursor around a screen and listen-in on different parts of the world. If he hears a whale singing, he can fix its location and position it in space and time and observe multiple animals that are 100’s of miles apart—cohorts of humpback singers moving coherently?and watch the collective migration of specie...

Experiments provide proof of how traveling in groups protects insects

...smitters the scientists recovered, often with body parts still attached, Lorch said. Researchers retrieved ...ust cost farmers and others a lot of money, but in parts of Africa and elsewhere, locusts can cause widespread famine because they consume crops, and the peo...

First 'atlas' of key brain genes could speed research on cancer, neurological diseases

...gulators, or switches that determine how different parts of the braindevelop ?and, in some cases, develop a...cally isolated and theirlocations within different parts of the brain pinned down.The map should tell scientists studying different parts of the brain,which ...

Experiments provide proof of how traveling in groups protects insects

...smitters the scientists recovered, often with body parts still attached, Lorch said. Researchers retrieved ...ust cost farmers and others a lot of money, but in parts of Africa and elsewhere, locusts can cause widespread famine because they consume crops, and the peo...

New Study from Affymetrix Laboratories Points to Changing View of How Genome Works

...Gingeras' team did not make any assumption of what parts of the genome might or might not be important to h...ften, transcripts from one strand of DNA can share parts of their sequence with overlapping transcripts from the same strand or even from the opposite strand...

Researchers find missing genes of ancient organism

... made up by splicing together sequences in distant parts of the DNA genome. The research led by Professor Dieter Söll in the Department of Molecular Biophysics and Biochemistry at Yale focuses on the most ancient organism with a known genome sequence. Nanoarchaeum equitans, is a member of a new phylogenet...

Researchers trace evolution to relatively simple genetic changes

...y populations, but these changes do not affect key parts of the molecule. In addition, one population in Japan used the same gene to evolve low armor, but has no changes at all in the protein coding region. Instead, Kingsley said, "the mutations that we have found are, we think, in the (gene's) control reg...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

...y populations, but these changes do not affect key parts of the molecule. In addition, one population in Japan used the same gene to evolve low armor, but has no changes at all in the protein coding region. Instead, Kingsley said, "the mutations that we have found are, we think, in the (gene's) control reg...

Studies reveal methods viruses use to sidestep immune system

...e said. "Once we've done that, we hope to identify parts of the pathway to target with drugs to try to limit infection." Drugs called protease inhibitors currently are used to treat patients infected with HIV and have also shown promise in treating hepatitis C patients in experimental trials. "We now kno...

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(Date:4/23/2014)... Huntington,s disease, most in their mid-thirties and forties, ... behavioral decline within two decades. "Mutant" protein clusters, ... disease, have been the primary focus of therapies ... new research from Prof. Gerardo Lederkremer and Dr. ... Cell Research and Immunology, in collaboration with Prof. ...
(Date:4/23/2014)... Valley, NY. (Apr. 23 2014) A ... neural stem cells (hNSCs) into the brains of ... after 22 and 24 months found that the ... and did not cause tumors. , The study ... Cell Transplantation but is currently freely ...
(Date:4/23/2014)... trope that the likelihood of an accurate group decision ... hold up when a collective faces a variety of ... Instead, Princeton University researchers report that smaller groups actually ... may become excessively focused on only certain pieces of ... what is known about collective intelligence, or the "wisdom ...
Breaking Biology News(10 mins):On the defensive 2On the defensive 3Study finds long-term survival of human neural stem cells transplanted into primate brain 2Too many chefs: Smaller groups exhibit more accurate decision-making 2Too many chefs: Smaller groups exhibit more accurate decision-making 3
(Date:4/24/2014)... me out to the ballgame, doesn,t exactly conjure up ... likely culprits include French fries, soda and the occasional ... play youth baseball, eating unhealthy food during practices and ... researchers at Wake Forest Baptist Medical Center. The study, ... Obesity , found that high-calorie snacks and sugar-sweetened drinks ...
(Date:4/24/2014)... the relevance of palliation in advanced cancer are ... trials (RCTs). This is the result of an ... Efficiency in Health Care (IQWiG), which has now ... external experts, IQWiG analysed studies on four solid ... and pancreatic cancer. For this purpose, the research ...
(Date:4/24/2014)... one of 30 grants from the National Cancer Institute ... in its new National Clinical Trials Network ... investigators charged with distributing resources in a more effective ... reflects recommendations from a 2010 Institute of Medicine ... Faster design, launch, and completion of clinical ...
(Date:4/23/2014)... pilot study by Massachusetts General Hospital (MGH) investigators may ... treatment for a serious medical problem use of ... caused by the Clostridium difficile ( C. ... online in the journal Clinical Infectious Diseases , ... material from donors unrelated to patients was as successful ...
(Date:4/23/2014)... M.D., scientific director at the National Institute of Arthritis ... the 2014 recipient of the Ross Prize in Molecular ... Molecular Medicine . The award will be given ... Sciences in Manhattan, followed by scientific presentations by Dr. ... the National Institutes of Health. , The award, which ...
Breaking Medicine News(10 mins):Health News:Take the bat, leave the candy 2Health News:Palliation is rarely a topic in studies on advanced cancer 2Health News:Palliation is rarely a topic in studies on advanced cancer 3Health News:Dartmouth awarded lead role in NCI clinical trials network 2Health News:Dartmouth awarded lead role in NCI clinical trials network 3Health News:Use of frozen material for fecal transplant successfully treats C. difficile infection 2Health News:Use of frozen material for fecal transplant successfully treats C. difficile infection 3Health News:NIH scientist to receive Ross Prize in Molecular Medicine 2
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