JCI table of contents: September 21, 2006
...ci.org/article.php?id=28993 CARDIOLOGY: MITF finds a new job in the heart The heart is able to respond to its surroundings; so, if more power is needed to pump the blood around the body, for example in individuals with high blood pressure, it can increase the size of the muscle cells of the heart...ACS Weekly PressPac -- September 6, 2006
...f Prozac (fluoxetine) on native freshwater mussels finds that the drug causes females to prematurely release their larvae, essentially dooming them. Prozac, one of the nation's most prescribed anti-depressant medications, helps relieve depression by increasing the brain's supply of a neurotransmitter cal...Dairy is necessary, even for lactose-intolerant children
...Intolerance in Infants, Children and Adolescents," finds that most children are able to consume varying amounts of dietary lactose without discomfort. There is no substitute for dairy's package of bone-building nutrients like calcium, vitamin D and protein. Parents and children may find that some dairy pro...Do green markets actually lead to improvements in environmental quality?
...uality and social welfare. Surprisingly, the study finds that under certain reasonable conditions, green ma...ge private giving to environmental causes. Kotchen finds that in a sufficiently large economy, where giving is not motivated by unconditional altruism, intro......odiversity hotspot of Tanzania, but these exciting finds change the whole way we think about forest diversity of eastern Africa" said Jon Lovett, an expert in African biodiversity at the University of York. However, the forests of Kilimanjaro are changing. Fires and logging have had a major impact on the ...Animal physiology conference sheds light on human physiology
...ior" will focus on his more recent research, which finds that pesticides and stressors (such as increased water temperature or falling pond levels), combine to lead to immune deficiency in frogs. In one experiment, Hayes injected yeast (a stressor) into frogs living upstream of an agricultural area. They w......ies together previous observations about sleep and finds that nitric oxide production in a specific region of the brain the basal forebrain is both necessary and sufficient to produce sleep. The findings appear in two related papers in the August 18 issue of the Journal of Neurochemistry and the Septembe...UCLA/LSU study details nutritional value of salad
... of dietary data on more than 17,500 men and women finds consumption of salad and raw vegetables correlates with higher concentrations of folic acid, vitamins C and E, lycopene and alpha and beta carotene in the bloodstream. Published in the September edition of the peer-reviewed Journal of the American...Tight-knit family: Even microbes favor their own kin
...iversity biologists in this week's issue of Nature finds that even the simplest of social creatures single-celled amoebae have the ability not only to recognize their own family members but also to selectively discriminate in favor of them. The study provides further proof of the surprisingly sophistic...Snap judgments decide a face's character, psychologist finds
...s to be primarily rational in nature. Our research finds that this is often the case, but not always." Todorov cautioned that his findings do not imply, however, that quick first impressions cannot be overcome by the rational mind. "As time passes and you get to know people, you, of course, develop a ...Burning wetlands unleash sequestered mercury in wake of climate change
...er working closely with the U.S. Geological Survey finds wildfires, growing more frequent and intense, are unleashing this sequestered mercury at levels up to 15 times greater than originally calculated. The report, "Wildfires threaten mercury stocks in northern soils," appears this week in the online ed...Protein found to protect breast cancer tumors from chemotherapy
...om a lack of glucose. In her current research, Lee finds that breast cancer tumors with high levels of GRP78 are protected from a common chemotherapy regimen based on Adriamycin, a topoisomerase inhibitor. Her findings are published as a "Priority Report" in the August 15 issue of Cancer Research. "The...Other highlights in the August 16 JNCI
...re Not Linked to Esophageal Cancer A new study finds that drinking carbonated soft drinks is not linked to esophageal cancer or cancer of the cardia, the place where the stomach and esophagus meet. Jesper Lagergren, M.D., of Karolinska University Hospital in Stockholm, Sweden, and colleagues examin...A humble aquarium fish may be the key to new therapies for birth defects
...ds to be highly conservative. That is, when nature finds an effective way to accomplish a life-critical operation, it tends to keep using it. Handling metal atoms like copper is one such operation. These atoms are essential but can be very destructive if they get loose within the cell. "The fact that inj...Dengue virus reveals its circular secret
...A-dependent RNA polymerase (RdRp), is produced, it finds itself surrounded by cellular RNA, creating a dilemma: How does RdRp distinguish viral from cellular RNA, to replicate the right molecule? Last year, Gamarnik got her first hint when her group identified two RNA sequences located at the ends of the...Special Science issue examines HIV/AIDS in Latin America and the Caribbean
...hat offers antiretroviral drugs to all in need now finds itself facing escalating costs that threaten its future. Although the government saves costs by making several of the older drugs itself, officials have so far refrained from breaking patents and making copies of newer preparations, instead cutting d...New genetic findings add to understanding of OCD
...tients (children and adults) and their parents. It finds a significant association between early-onset OCD ...tients and 319 of their first-degree relatives. It finds linkages between OCD and three locations on the SLC1A1 gene. In a commentary published in the sam...Invasive plants prefer disturbance in exotic regions over home regions
...research from an international team of researchers finds that a disturbance such as fire or grazing actually increased the success of yellow starthistle far more in non-native than in its home regions. Furthermore, yellow starthistle was able to establish virtual monocultures in disturbed plots only wher...Gene breakthrough heralds better prospect for malaria solution
...te with infected females, the Wolbachia in the egg finds a way of correcting the modification to sperm and allows fertilization and normal development to continue." The researchers are now looking at the mechanisms present in other insect species with different levels of cytoplasmic incompatibility In ...New tiger report release: Tiger habitat down from just a decade ago
...nsive scientific study of tiger habitats ever done finds that the big cats reside in 40 percent less habita...ons to safeguard remaining populations. The study finds that conservation efforts such as protection from poaching, preservation of prey species, and preser...