New study finds link between decline in the city's TB rates and intensified control programs
...lation groupscausing TB. "In San Francisco we had detected a sizable amount of transmission of TB in theearly 90s, so TB control measures were established that focused on halting thespread of TB and especially reducing the number of clustered cases. Theintensified TB control measures focused on preventing t......ream sample and about one-half of the well samples detected the presence of two or more pesticides. The abili...erstood. For example, some of the most frequently detected pesticides are suspected endocrine disrupters that have potential to affect reproduction or developm......ries of recent experiments confirms that motion is detected in pure,isoluminant color only by the third-order, figure-ground system. The experimental team, which also included George Sperling, Ph.D., of theUniversity of California, Irvine, department of cognitive science, and USCgraduate student Luis A. Lesme...Report in PNAS on role of nephrin, the kidney filter protein
...brane using nephrinspecific antibodies that can be detected by electron microscopes. Thestructural domains of the nephrin molecule suggest a membrane bound receptorthat self-associates with a nephrin molecule on a neighboring podocyte cellsurface, thus forming a zipper-like connection between the cells, i.e....Groundwater impacted by fire-fighting foams
Surfactant foam components detected for the first time Fires resulting from airpla... which were no longer in use. Concentrations were detected atthese sites ranging from 0.1 to 7.1 parts per million. Samples with someof the higher concentrati...Cedars-Sinai medical tip sheet (b)
...14, findings of a studythat for the first time has detected and measured contaminants from certainpesticides and industrial chemicals in the amniotic fluid of unborn babies. Thisstudy was not designed to determine whether exposure to these contaminantsproduces ill effects on fetuses or newborns. Instead, it i...Researchers identify new type of potentially fatal tick-borne disease
...ntified in theUnited States. E. chaffeensis, first detected in 1986, also is endemic inMissouri. Infecting a special white blood cell called a mononuclear cell, itcauses human monocytic ehrlichiosis. In 1994, a new form of human ehrlichiosiscalled human granulocytic ehrlichiosis surfaced. This form involves a...Jefferson scientists create first transgenic mouse model of hepatitis B-based liver disease
...lls. Such mice consistently replicate HBV,which is detected in their blood, throughout their lives. Although other similarmodels have been made using normal mice, none develop chronic liver diseasebecause the immune system sees the virus as -- self -- during embryonic development. To solve this proble...Microbial hydrocarbon 'cracking'
...e than one year. Involvedbacteria and archaea were detected microscopically and via characteristicDNA-sequences. It is still unknown by means of which special enzymes theinvolved microbes make use of the chemically very sluggish saturatedhydrocarbon, and in addition obtain sufficient energy for their life.Hyd...Mutation in PTEN gene can cause cancer and autoimmune disease
...or theseindividuals based on whether mutations are detected in one copy of the PTENgene. Further research is required in this area, however, before definitiveclinical recommendations can be made. Dr. Pandolfi and his colleagues planadditional research to explore the relationship between autoimmune disorders a...USGS finds elevated levels of organochlorine pesticides in Aleutian bald eagles
...Although DDT and most of the other organochlorines detected are banned or no longer manufactured in the United States, many are still used worldwide. This means, wrote the researchers, that it is possible that these organochlorines are being transported to the Aleutian Archipelago via phys...Spacecraft provides first direct evidence: Smoke in the atmosphere inhibits rainfall
...n was relativelysmoke free. The spacecraft's radar detected precipitation in smoke-free clouds,but almost none in the smoke-plagued clouds, showing the impact of smoke fromfires on precipitation over the rainforest. "It's important to note that this is not a unique case," said Rosenfeld. "Weobserved and docum......rdiogram because the prolonged QT interval isoften detected by the test. Patients with long-QT syndrome can lead normal liveswith some restrictions. Those restrictions include: no swimming without a buddy,no competitive sports and taking medication daily. Dr. Ackerman says additional research is required befo......leaves behind tumor-specific antibodiesthat can be detected in the bloodstream long before a tumor has grown largeenough to be found. Or, the blood might contain proteins that tumor cells havesecreted, or released, as part of their growth. The U-M researchers will search for these biomarkers and develop test...Wake Forest scientists clone gene for inherited kidney stone disease
... Primary hyperoxaluria type II ordinarily is detected because ofexcessive oxalate in the urine. The missing enzyme is hydroxypyruvatereducatase, and it is the body's primary process for breaking down the oxalates. With the discovery of the gene, Cramer and Holmes expect to develop ananimal model...Cattails and contamination: marshy stalks hold DNA clues on pollution
...of researchers at the University of Cincinnati has detected significantdifferences in the genetic diversity of common cattails in areas heavilyimpacted by pollution, providing evidence that cattails might be an effectiveindicator of environmental stress. Cattails were selected for study because they have a wi...Finding suggests a common childhood leukemia may form in the womb
... identical twins, and fromnine other children, and detected the mutation in the twins and in six of thenine singletons. In the three other cases, the mutation was not revealed,perhaps, said Wiemels, because the pre-leukemic cells were too rare to bedetected in the miniscule blood spot. The identical twins mo...Moderate caffeine use does not increase miscarriage risk but high caffeine use doubles risk
...d six weeks after theygave birth. The researchers detected paraxanthine in the samples of 82 percent of the women who had miscarried as well as in 82 percentof a similar group of women who did not have a miscarriage. However, after accounting for smoking and other factors known toincrease the chances for m...Air pollution from Asia could violate new federal ozone standard
...eting in SanFrancisco. Equipment aboard the plane detected an ozone level of 85 parts per billion at about 20,000 feet.That would exceed a new U.S. Environmental Protection Agency standard of 80 parts per billion (or 0.08parts per million). That standard, which was formulated in 1997 but is under legal chall...