Evolution's mirror in a fish's spines
...rate and parallel evolutionary changes, among them partial or complete loss of their pelvic spines. These spines are thought to protect the fish from being devoured by predators. As Kingsley points out, however, pelvic spines may be a disadvantage if the fish live in environments that have very low calcium l...Ethanol to power the future of hydrogen fuel cells
...sil fuels. "Current production processes, such as partial combustion of natural gas or electrolysis of water require cheap fossil fuels or electrical power," notes Hester. "In such a scenario, light-induced biological hydrogen production is a potentially cost-effective system." This process uses enzyme syst...New study of land use effects on amphibian populations gets underway at UGA laboratory
... 2) clearing with coarse woody debris retained, 3) partial cutting (e.g., thinning), or 4) uncut forested control. Quadrants will be allowed to undergo succession in subsequent years, yielding the opportunity to follow changes in vegetation structure and amphibian responses over time. "Several aspects of th...UT Southwestern researchers cite recent advances in underlying causes of rare body-fat disorders
...ns also occur in disorders of fat cells that cause partial or total loss of fat from the human body the exac...rchers localized a human gene that caused familial partial lipodystrophy, called Dunnigan type (FPLD). In 2002 a mutation PPARγ was linked to another t...JCI table of contents, 15 March 2004
...ological processes. Analysis of two patients with partial trisomy 18p showed these patients had three copies of the PCAP gene. The patients suffered from severe mental retardation and a bleeding tendency, with mild thrombosis. The authors' research showed, investigation of these patients, use of PACAP ag...Early treatment confirmed as key to stroke recovery
... onset had the best chance of having a complete or partial reopening of the occluded artery. Another significant finding reported by the authors is that severe stroke patients tend to present to the hospital earlier than patients with milder strokes, and those who were treated had much better recoveries than...Computer scientists develop tool for mining genomic data
... only a single snapshot of the cell. ''It's a very partial view,'' Koller says. What scientists really want to know is how groups of genes work together to control specific biological processes, such as muscle development or cancer progression. Unraveling these regulatory networks - for example, determining ...Puffer fish biotoxin provides promising relief in cancer pain
...e novel analgesic experienced either a complete or partial response to the agent. Overall, 68% (17/25) patients responded, based on the primary study endpoint of a reduction in pain intensity of greater than 33%. Tetrodotoxin is a non-addictive neurotoxin, originally used by Japanese researchers in the 1930...Microbial biofilm yields community genomes, metabolic clues
... Leptospirillum and of thearchaeon Ferroplasma-and partial genomes of three othermicrobes. According to the researchers' Nature article, suchrecovery "from an environmental sample is an advance in thestudy of natural microbial communities." According to Banfield, "The transition to this genome-levelstudy of...Bridging the gap between genetics and motivations to drink alcohol
...ed in learning if beliefs about alcohol provided a partial explanation for how risk for alcoholism is transmitted across generations," said Carol A. Prescott, associate professor of psychiatry and psychology at the Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University, ...New understanding of why brain cells die after stroke will lead to development of new treatments
...e to their brain cells. These effects can include partial paralysis, problems with thinking, problems with language, and difficulty with movement. Approximately 300,000 Canadians live with the effects of stroke. The warning signs of a stroke include sudden weakness, trouble speaking, vision problems, head...Early treatment can prevent severe vision loss in premature infants
...eatments, known as retinal ablation, can lead to a partial loss of peripheral or side vision. However, Repka says the benefits of ROP treatments far outweighed any potential risks. "Although there is a slight risk with ROP treatment, the benefits of these treatments are hard to ignore, since they preserve th...Hope available for patients with anemia and myelodysplastic syndrome
...d the overall response rate (complete response and partial response) was 36 percent. Median duration of response in complete responders was 5.3 months (range 1 to more than 13 months). The median overall survival is 5.7 months for all patients. In patients experiencing a complete response, the median over...Lab tests can reveal how patients respond to Gleevec
...favorable lab result had an 84 percent chance of a partial remission in response to Gleevec, while none of the patients with an unfavorable lab result had a partial remission. "These results demonstrate that the most important predictor of tumor shrinkage duri...JCI Table of Contents, November 3, 2003
...ing surgical liver resection, a technique known as partial hepatectomy, which is often employed in the remova...of Clinical Investigation. Following most cases of partial hepatectomy the remnant liver regenerates until normal hepatic mass is reestablished. However the sp...Researchers grow breast cancer tissue from transplanted mammary stem cells
...entional breast cancer therapies, we can produce a partial response in many women. But if we're leaving behind cells that can make the cancer return, we may be focusing on the wrong cells," said Max Wicha, director of the Michigan center. "We now have a validated new target for what we hope will be the deve...Some 200,000 people live with partial or nearly total permanent paralysis in the United States, with spinal cord injuries adding 11,000 new cases each year. Most research aimed at recovering motor function has focused on repairing damaged nerve fibers, which has succeeded in restoring li...Purdue biologists' spotlight solves mysteries of photosynthesis, metabolism
...n we examine these proteins is the nature of their partial similarity," said Cramer. "The differences can now be explored more easily." Examining the membrane proteins has itself been the challenge for the research team, which is reaping the benefits of its breakthrough work with protein crystallization. Whi...Dog genome published by researchers at TIGR and TCAG
..., asserts that a new method of genomic sequencing, partial shotgun sequencing, is a cost-effective and efficient method to sequence and analyze many more large eukaryotic genomes now that there are a number of reference genomes available with which to compare. This important new study was funded by the J. Cr......e cave -- a temporal bone, a facial skeleton and a partial braincase -- are still undergoing analysis, but are likely to be the same age. The jawbone was found in February 2002 in Pestera cu Oase, the "Cave with Bones," located in the southwestern Carpathian Mountains. The other bones were found in June 2003...