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Tag: "research" at biology news

A gene's first 'kiss' sets off that affair known as puberty

...s in girls and voice change in boys. As such, this research begins to answer one of the most vexing questions about human development: What causes puberty to begin? How is it that the full repertoire of reproductive hormones can exist at birth, go into hiding at about four to six months of age, then reemerge ...

Chemists create 'Superbowl' molecule; May lead to better health

... scientific journals and databases, convenes major research conferences and provides educational, science policy and career programs in chemistry. Its main offices are in Washington, D.C., and Columbus, Ohio. ...

Association of herpesvirus with lung disorder questioned

... known. Dr. Katano and colleagues conducted their research using a design similar to that in the earlier study: a retrospective analysis of pathology specimens from a small number of subjects. They looked for evidence of HHV-8 in samples of lung tissue from 10 patients diagnosed with primary pulmonary hypert...

Man and mouse share genome structures

...isms underlying cancer and human development. The research team includes first author Bradley Bernstein, recipient of a Howard Hughes Medical Institute (HHMI) physician postdoctoral fellowship who works in the Harvard University laboratory of HHMI investigator Stuart L. Schreiber. Other co-authors are from t...

Molecular biology fills gaps in knowledge of bat evolution

...eories about their origins and divergence. Now, a research team including University of California, Riverside...n a region that is now North America. This latest research helps fill gaps in the evolutionary history of one of the most diverse group of mammals on earth and...

Scientists ID molecular 'switch' in liver that triggers harmful effects of saturated and trans fats

...irty work," said Spiegelman, who carries out basic research on fat cells and metabolic pathways in diabetes an...1beta co-activator than did unsaturated fats. The research also showed that when the fats triggered PGC-1beta, the co-activator interacted physically and turne...

Spleen may be source of versatile stem cells

..., PhD, ofGeorge Washington University. The group's research is supported bygrants from the Iacocca Foundation....School. The MGHconducts the largest hospital-based research program in the UnitedStates, with an annual research budget of more than $400 million andmajor resea...

Genes In The Interferon System Important In Systemic Lupus Erythematosus

... year, and today it represents a white-hot fieldof research that has attracted a great deal of interest in thepharmaceutical industry. This picture has now been further reinforcedby new findings­ - the result of multidisciplinary and internationalcollaboration involving world experts on the interferon system,...

UCSB scientists probe sea floor venting to gain understanding of early life on Earth

...ury, and have now become a powerful motivation for research and exploration, according to the National Science Foundation, a major funder of this work. The NSF explains that subseafloor ecosystems may represent both the cradle of life on Earth and a model for the exploration and discovery of life on other pla...

Researchers discover way to make cells in the eye sensitive to light

...the eye by switching on a single gene.According to research published online today in Nature, the team fromImperial College London and the University of Manchester, havediscovered that activating the melanopsin gene in the nerve cellscauses them to become light responsive, or photoreceptive. Usingmouse cells...

Quantum Dots Research Leads to New Knowledge about Protein Binding in Plants

...he findings are the result of an interdisciplinary research teamincluding Sathyajith Ravindran of the Chemical...at UC-Riverside.The results of their collaborative research appeared in an articletitled “Quantum Dots as Bio-labels for the Localization of a SmallPlant Adhesi...

Source of molecular triggers in cutaneous T cell lymphoma identified

...e category of lymphoma thirty years ago. The Yale research group reported that, like all T cells, the cancero...nature of the activating antigen, Carole Berger, a research scientist in dermatology set up a physiologic laboratory system mimicking the tight relationship in ...

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...ces.The team's findings, based on several years of research at the park,refute the popular idea that sulfur is the main source of energy fortiny organisms living in thermal features. "Itwas a surprise to find hydrogen was the main energy source for microbesin the hot springs," Pace said. "This project is als...

It's not all genetic: Common epigenetic problem doubles cancer risk in mice

... discovery should expand attention in colon cancer research to earlier events, situations present well before tumors appear," says the study's leader, Andrew Feinberg, M.D., M.P.H., professor of medicine and director of the Center for Epigenetics in Common Human Disease at Johns Hopkins. "In the mice with a ...

Columbia research lifts major hurdle to gene therapy for cancer

...teresearch scientist) and Luni Emdad (postdoctoral research scientist) inDr. Fisher's group; Drs. Gregory J. Duigou (associate researchscientist) and C. S. Hamish Young (professor) in the Department ofMicrobiology (Columbia University Medical Center); and Dr. Joy Ware(professor), Mr. Aaron Randolph (graduate ...

Dysentery uses 'sword and shield' to cause infection

...shield' approach to cause infection. According to research published today in Science, the team from Imperial College London and Institut Pasteur, Paris, found that shigella, the bacteria which causes dysentery, is able to invade cells, while stopping any response from the immune system. They found that shi...

Novel technology detects human DNA mutations

...the state-of-the-art in nucleic acid and proteomic research anddiagnostics."The analysis of whole human genomic DNA is extraordinarily complex asit requires sifting through the more than one billion base pairs of DNA to find a particular base pair of interest. Once that base pair is located, it is then necess...

Priming embryonic stem cells to fulfill their promise

...tle as $20,000,have become common fixtures at most research universities, but theinnovation reported today in ...o that the technique wouldbe reproducible in other research laboratories."When we talked to our colleagues, it was clear that, whether it'scells in the liver, b...

Growth in the sea comes down to a struggle for iron

...ut on top. In collaboration with a large Japanese research program, Wells and a team of scientists from UMain...lls served as chief scientist on the Kilo Moana, a research ship that left Hawaii, bound for the sub-Arctic waters of the western Pacific. Owned by the Office o...

New binding target for oncogenic viral protein

...Dr. Markus Welcker, the study's first author. The research appears as the "Paper of the Week" in the March 4 issue of the Journal of Biological Chemistry, an American Society for Biochemistry and Molecular Biology journal. DNA tumor viruses proliferate by hijacking their host cell's DNA replication machiner...

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