Tag: "positive" at biology news
Priming embryonic stem cells to fulfill their promise
... that either collagen-1 or fibronectinhad strongly positive
effects on the differentiation of the stem cellsthey tested. Unexpectedly however, when both collagen-1 and fibronectinwere combined in one niche, the liver cell differentiation rate wassubtly inhibited. "You would not predict that from the customary...
Newly discovered virus linked to childhood lung disorders and Kawasaki disease
...ral infections. They found 79 (9 percent) who were positive
forthe new virus, nine of whom were subsequently f...nly one (5 percent) of the comparison group tested positive
for theNew Haven coronavirus.In an accompanying editorial, Kenneth McIntosh of Harvard Universitycom...
Study Links Ebola Outbreaks To Animal Carcasses
...es tested for Ebola between 2001 and 2003 produced positive
results, and found direct links between the deadly disease in animal populations and humans. "This research proves that hunting and consumption of great apes represent a serious health risk for people in Central Africa, and a risk that can be avoide...
New imaging method gives early indication if brain cancer therapy is effective, U-M study shows
...changes in any way, up or down, it correlates to a positive
outcome. The magnitude or amount of change relates to the effectiveness of treatment. This indicates a different mixture of cell death pathways within the tumors. In the end, any change is good. When you think about it, if the treatment is not having...
NYC's First Rapid HIV Drug-resistant AIDS Case Prompts Call to Step Up HIV Prevention
...in late October and November, and subsequently had positive
ELISA and Western Blot (HIV tests) documented in mid-December. The individual then progressed to a diagnosis of highly drug-resistant AIDS by mid-January. Ordinarily, it has taken up to ten years for an untreated individual to progress from HIV infec...
FDA Warns Consumers Not to Use Home-Use Diagnostic Kits Marketed by Globus Media
...results are correct. For example, a person testing positive
for HIV (human immunodeficiency virus, or the AIDS virus) using one of these tests may not be infected with HIV, or, worse, someone infected with HIV may test negative and not seek medical treatment or spread the virus to others. The tests were sold...
Nonlinear Dynamics announces more details of its global partnership with PerkinElmer
...umber of years now and we are very excited by this positive
assertion by PerkinElmer of Nonlinear's central role within its proteomics strategy. Together we have a number of new initiatives which we are already working on. We are confident that the extensive fruits of this relationship will continue to benefi...
Gene Signatures Predict Interferon Response For Multiple Sclerosis Patients
...pecific outcomes—and the mechanisms that produce a positive
interferon response—have yet to be established. For now, these patterns should be thought of as markers. Still, these results suggest that doctors could one day tailor MS patients' treatments to their molecular profile, and perhaps take some of the u...
Researchers devise way to mass-produce embryonic stem cells
...or experiment, 94 percent of the stem cells tested positive
for these proteins, compared to about 85 percent of the cells grown in the flask. The researchers are now working on ways to program embryonic stem cells so that they differentiate into specific types of cells. In preliminary work, Ouyang has create...
Microbial fuel cell: High yield hydrogen source and wastewater cleaner
...r more is applied to the circuit by connecting the positive
pole of a programmable power supply to the anode and the negative pole to the cathode. The researchers call their hydrogen-producing MFC a BioElectrochemically-Assisted Microbial Reactor or BEAMR. The BEAMR not only produces hydrogen but simultaneou...
Brain-mapping technique aids understanding of sleep, wakefulness
... active only during sleep, as well as reinforcing, positive
signals from nerve cells that are very active duri...hat orexin neurons project to these cells, sending positive
signals downstream to help keep them active. The new study, however, shows that these acetylcholine-...
Discovery may lead to better Candidiasis drug
...lls by preventing it from regulating its ions, the positive
and negative charged molecules that move into, and out of, cells. Ions regulate electrostatic pressure between the cells' internal and external environments, which, in turn, regulates their volume and water content. Cells that lose their water conten...
Test for early detection of prostate cancer shows promise
...he marker successfully avoids the problem of false positive
results that plagues prostate-specific antigen (PS... detected, thus boosting doctors?confidence that a positive
EPCA test is really a sign of prostate cancer, added Getzenberg. “Once this test is refined and app...
The evolutionary triumph of flower power
...re says. "Because they are a source of pleasure ?a positive
emotion inducer ?we take care of them. In that sen...udies that tested the ability of flowers to induce positive
emotion. The objective was to demonstrate the immediate, long-term and powerful effects of flowers o...
Multiple-drug resistant gene expression pattern predicts treatment outcome for pediatric leukemia
...sting clinical predictive criteria point towards a positive
treatment outcome. The research, published in the April issue of Cancer Cell, is likely to facilitate development of new strategies to combat drug resistance and treatment failure for children with ALL. Nearly 80% of children with ALL are cured foll...
NSAID drug protects against intestinal tumors in mice, despite poor diet and gene losses
...chers mated mice that had only one APC gene to p27 positive
or negative mice, producing variants with no p27 genes or one or two. The APC gene is responsible for an inherited colorectal cancer condition known as FAP (familial adenomatous polyposis), in which patients develop hundreds of potentially precancero...
OneWorld Health drug receives 'Orphan' designation from U.S. and European regulatory agencies
...e EMEA next year. "We are pleased with the swift, positive
responses by the FDA and EMEA agencies," said Victoria Hale, Ph.D., CEO and Founder of OneWorld Health. "By meeting the rigorous standards of either agency, we will be prepared to accelerate approvals in countries that have a critical need to treat V...
Norovirus found to cause traveler's diarrhea
...viduals in the study had at least one stool sample positive
for Norovirus. Although Norovirus previously has b...that 11 Norovirus-positive stool samples also were positive
for E. coli, a leading bacterial cause of traveler's diarrhea, thus indicating that dual infections ...
AIDS Public Awareness Campaign Expands Following Report Of Rapidly Progressive HIV
...ld HIV transmission. Mothers who know they are HIV positive
also will be advised against breast-feeding. Under the Governor's leadership, New York has achieved a dramatic 78 percent decline in the number of newborns statewide who are infected with HIV. The results are derived from a recent State Health Depar...
Bee mites suppress bee immunity, open door for viruses and bacteria
...sive better protect the hive, so there may be some positive
effect in this virus that allows it to persist in a colony." The combination of bee mite infestation and deformed wing virus does cause deformed wings in about a quarter of the emerging bees. This, however, does not lead to sudden hive collapse. Som...
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