are 2 7

Tag: "are" at biology news

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...rve cellgrowth. "On a cellular level, clam neurons are extremely useful instudying basic mechanisms of ce... neuronalmaturation but also how neuronal networks are constructed duringdevelopment," she says. Alterations of this enzyme may affect neuraldevelopment an...

Female sex hormones play a vital role in defense against sexually transmitted diseases

... studies can figure out that women too, like mice, are protected in primary exposure by estradiol, contra... active adults is seropositive for HSV-2 and women are much more susceptible than men. "The results directly indicate that the hormonal conditions that pr...

Yale Scientists Find MicroRNA Regulates Ras Cancer Gene

...patients surviving five years. The lungs, however, are relatively accessible for inhalation of potential ...he worm, and both binding site and pathway for Ras are highly conserved. Tissue from lung cancer tumors, compared with their normal adjacent tissue, had r...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

...rve cellgrowth. "On a cellular level, clam neurons are extremely useful instudying basic mechanisms of ce... neuronalmaturation but also how neuronal networks are constructed duringdevelopment," she says. Alterations of this enzyme may affect neuraldevelopment an...

An HIV Protein Plays a Surprising Role in Gene Activation

Retroviruses are expert manipulators when it comes to co-opting the...d only transcription complex assembly, the authors are careful to note that Tat may well stimulate assembly in addition to promoting transcription elongati...

Mouse brain tumors mimic those in human genetic disorder

...in humans tells us there may be growthsignals that are produced early in life, which are critical for tumorformation and expansion," Gutmann explains.Optic pathway gliomas in humans are typ...

Automatic extraction of gene/protein biological functions from biomedical text

...l. Since automatic functional annotations of genes are quite useful for interpreting large amounts of hig... the gene/protein/family names and their functions are described in ACTOR (doer of action) and OBJECT (receiver of action) relationships, the corresponding...

New Clues Add 40,000 Years to Age of Human Species

...evidence suggesting human bones found at that time are roughly 195,000 years old. The researchers believ...ature. The fossils, from near the town of Kibish, are far more ancient than researchers originally suspected and nearly 40,000 years older than skulls fro...

A bacterial genome reveals new targets to combat infectious disease

More than a billion people are at risk for infection with filarial nematodes, parasites that cause elephantiasis, African river blindness, and other debilitating diseases in more than 150 million people worldwide. The nematodes themselves play host to bacteria that live within the...

Spider Venom Could Yield Eco-Friendly Insecticides

...of more than 100 chemical compounds, most of which are toxic to insects, but not vertebrates. King is stu...esticide. More than a billion pounds of pesticides are sprayed in the U.S. every year. That's four pounds per person. A millionth of a pound can sometimes ...

New imaging method gives early indication if brain cancer therapy is effective, U-M study shows

...ck cancer. In addition to Ross, U-M study authors are Bradford Moffat, Ph.D., assistant professor of radiology; Thomas Chenevert, Ph.D., professor of radiology; Theodore Lawrence, M.D., Ph.D., Isadore Lampe Professor and Chair of Radiation Oncology; Charles Meyer, Ph.D., professor of radiology; Timothy ...

Gene variations explain drug dose required to control seizures

...n approach is not sufficient. People with epilepsy are genetically different from one another, and some o...r responses to drugs in a predictable manner. "We are beginning to understand how genetics can be applied to medicine in such a way as to reduce trial and...

Solution to Pollution: New Bacteria Eats Toxic Waste

... research is extending itself to the world, and we are really excited about it,?said Anne Anderson, a bio...nd the world can reap the benefits. Collaborations are currently under way in Nizhnekamsk in the Russian Federation to assist with the treatment of industr...

Scientists collaborate to assess health of global environment

... of the private sector and impacts on human health are scheduled for July. According to Mooney, these topics were chosen because the organizations that oversee major international treaties dealing with biological systems requested the information. The lack of adequate data to uphold such treaties is what...

Muscle-targeted gene therapy reverses rare muscular dystrophy in mice

...ophies include many genetic diseases, all of which are characterized by progressive weakness and degenera...nt therapy for several years," said Koeberl. "They are walking, living longer, and meeting developmental milestones." Despite the early success of enzyme ...

Enzyme shown to help protect genomic stability

Genomes throughout the animal kingdom and beyond are characterized by extensive segments that are inactive, lengthy stretches of DNA containing multiple genes that are closed to gene transcription. ...

BRCA1 causes ovarian cancer through indirect, biochemical route

...nterruption by pregnancy or oral contraceptive use are at highest risk for developing sporadic ovarian ca... Dubeau points out that women with BRCA1 mutations are also predisposed to cancers of the fallopian tubes, and that the mice with mutated BRCA1 genes in th...

Scientists decipher genome of fungus that can cause life-threatening infections

...ereboth HIV and concomitant cryptococcal infection are common, survivalwithout therapy is as short as 7 t...ex genestructures discovered in C. neoformans that are unlike those found inpreviously sequenced yeasts and are reminiscent of the genomes of morecomplex o...

Needling Chromosomes Reveals Cell Division Secret

... by the National Institutes of Health. Chromosomes are thetiny fiber structures in the cell that house it...osomes, called chromatids, is crucial if the cells are to divide properly. In this process chromatids are drawn apart to separate poles of the dividing cel...

Poplar trees redirect resources in response to simulated attack

...uired carbon into isoprene production. "Scientists are only just beginning to realize that isoprene has a...e will have to do more tests to see what compounds are formed." Ferrieri believes there may be an increase in compounds that resist microbial attack after...

1 2 3 4 5 6 7 8 9 10