UCLA study links air pollution to clogged arteries
...We saw that the diesel particles and oxidized fats had worked in tandem to activate the genes that promote cellular inflammation a major risk factor for atherosclerosis, said Dr. Jesus Araujo, UCLA assistant professor of medicine and director of environmental cardiology at the Geffen School of Medicine....Call for EU to launch major project to map out all our proteins
...ere are only about 65 per cent as many proteins as had been predicted through analysis of the genome. This is a surprise because each gene had been understood to code for a protein on a one-to-one basis. As Aebersold pointed out, there are sev...Scratch no more: Gene for itch sensation discovered
... the mice started scratching themselves as if they had a bad itch. "That's when we thought the gene might...ndancy in the itching pathway." GRPR knockout mice had normal reactions to painful stimuli, indicating that pain and itch are mediated by separate sets of ...Success rates for prostate cancer depend on experience of surgeon
...ed surgeons experience by the number of times they had performed the procedure before each operation. ... 250 operations, after which increasing experience had little influence on cancer recurrence. Patients treated by inexperienced surgeons (for example, thos...Prenatal alcohol exposure alters brain activity in the frontal-striatal areas
...al-justice system," she said. Previous research had suggested that the frontal-subcortical brain regio...ex where the youth with alcohol-exposure histories had increased brain activation and one area in the subcortex (called the caudate nucleus) where the alco...News tips from the Journal of Neuroscience
...g slices with calcein dye. Most preexisting spines had mature synapses with synaptic clefts and adjacent ... physical contact with synaptic boutons but rarely had typical postsynaptic structures. Only older (and wiser") spines (1519 h) formed full-fledged synapse...CTRC enrolls first patients in novel phase II study for sarcoma -- living virus destroys cancer cell
...er husband and children. Before coming to CTRC, I had already been through one chemotherapy cycle for this disease, and I got the impression that no one really knew what to do with me or how to treat my cancer. REOLYSIN was a less toxic option for me. "We are delighted, but not surprised, with the ...Enzyme discovery sheds light on vitamin D
...cian Valarie Byford. Earlier study of the enzyme had shown that its pathway pattern is species specific. Some species, including humans and rats, favour one pathway, while others most notably the opossum favour the other pathway. Using a technique called liquid chromatography mass spectrometry, th...Faster-acting antidepressants closer to becoming a reality
...DA on brain cells, an earlier NIMH study in humans had shown, but the new study in mice shows that this is an intermediate step. It turns out that blocking NMDA increases the activity of another receptor, AMPA, and that this boost in AMPA is crucial for ketamines rapid antidepressant actions. The study...Steroids, not songs, spur growth of brain regions in sparrows
...three brain regions in white-crowned sparrows that had been deafened were just as large as those regions in normal sparrows. However, the deafened birds only sang one-eighth the number of songs that the hearing birds sang. To show this, the researchers captured 19 adult male white-crowned sparrows dur...Adult survivors of childhood leukemia exercise less, worsening high risk for obesity and illness
...ants were asked to report the number of times they had participated in physical activity or exercise duri...levels of physical inactivity in ALL survivors who had received CRT treatment. Women who were treated with a moderate dose of CRT were twice as likely to b...American Chemical Society's Weekly PressPac -- July 18, 2007
...h could provide clues about what possible suspects had handled (e.g. foodstuffs, drugs) and, thus could be useful in identifying a criminal, the report said. In addition, the new method kept the original fingerprints intact and available for further analysis, the researchers added. ARTICLE #4 FOR IMMED...Study sheds light on why humans walk on two legs
...d less energy walking upright." These two chimps had different gaits and anatomy than their knucklewalking peers. And when the researchers examined the early hominid fossil record, they found evidence of these traits skeletal characteristics of the hip and hind limb that allow for greater extension of...Fruit fly gene from 'out of nowhere' is discovered
...e is named after the Greek mythological beast that had a hound's body and nine snakeheads, because it has...ed. The researchers found that most of these exons had a sequence for a transposable element sitting right next to it. Duplicated sequences generated by tr...New joint replacement material developed at MGH put to first clinical use
...esearchers knew that the first-generation material had limitations in strength that made it unsuitable for some types of joint replacement implants. Subsequently, Muratoglu found that oxidation could be blocked by diffusing the antioxidant vitamin E throughout the polyethylene material. Both mechanical...Brain's 'hearing center' may reorganize after implant of cochlear device
...and her team studied 13 profoundly deaf adults who had received cochlear implants, on average, eight mont...nes. Their results demonstrated that in people who had cochlear implants for at least three months, normal frequency organization was somewhat restored. ...Back to the future: Mastodon extends the time limit on DNA sequencing
...and elephants and of humans and African great apes had a comm on cause. Despite the similarity in divergence times, the substitution rate within primates is more than twice as high as in proboscideans, showing that the molecular clock ticks differently for different taxa. ...1 in 4 NYC adults has elevated blood mercury levels
...isk of cognitive delays for children whose mothers had very high mercury levels during pregnancy. Major Findings on Blood Mercury Levels from NYC-HANES Todays findings are the latest presented from New York Citys Health and Nutrition Examination Survey (NYC-HANES), the first such survey ever conduct...Ethnicity plays a role in neonatal deaths
...found that Aboriginal males and East Asian females had significantly greater odds of survival. Interestingly, small for gestational age was noted as a significant factor only among Caucasian infant, while only gestational age less than 29 weeks was found to be a significant risk across all ethnic gro......ung or old cells into mice whose bone marrow cells had been destroyed by radiation. The young and old HSC... after transplantation, the old HSCs contributions had dropped considerably, suggesting that aging HSCs lose their repopulating capacity. Yet, because HSCs...