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

Puberty, that awkward phase when boys and girls are primed for their sexual reproductive years as men and women, appears to be triggered by the brain's own version of "It takes two to tango," whereby a sign...

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

...tentially resulting in improved treatment outcomes and perhaps saving lives, the researchers say. The mo...ons, including the removal of environmental toxins and aiding in chemical purification procedures, the investigators say. Their study was published in the ...

DNA Molecules Used To Assemble Nanoparticles

...Jr., the Ruth Dow Doan Professor of Nanotechnology and director of the Center for Biologic Nanotechnology...lexes can be specifically targeted to cancer cells and are small enough to enter a diseased cell, either killing it from within or sending out a signal to ...

Bioartificial kidney under study at MCG

...G nephrologist specializing in acute renal failure and a principal investigator on the study. "If you ha...ywhere from 50 to 70 percent of those patients die and over the past 20 years, despite dialysis, that has not changed much." He hopes the new device, deve...

Viral DNA sequence a possible trigger for breast cancer

... suggests that viral infection may be an important and previously unrecognized trigger for breast cancer....uence in question is usually found in immune cells and helps trigger the activation and proliferation of the cells. These sequences have also been found in...

Wisconsin scientists grow critical nerve cells

After years of trial and error, scientists have coaxed human embryonic stem.... Motor neurons transmit messages from the brain and spinal cord, dictating almost every movement in the body from the wiggling of a toe to the rolling o...

New push for public health, AIDS spending at African Union summit

...Now they have to deliver on the existing protocols and develop a serious and practical strategy." Mozambique is the only country that has, thus far, committed to allocating 15 ...

Association of herpesvirus with lung disorder questioned

...und no association between a herpesvirus infection and a potentially life-threatening form of high blood ...pertension. These observations, by Harutaka Katano and colleagues from Toho University School of Medicine and the National Institute of Infectious Diseases...

Man and mouse share genome structures

...ave mapped a family of switches that turn genes on and off. Their findings may help scientists understand regulatory mechanisms underlying cancer and human development. The research team includes first author Bradley Bernstein, recipient of a Howard...

Adding Radiation Therapy To Chemotherapy Improves Survival In Patients With High-risk Breast Cancer

...risk breast cancer treated with radical mastectomy and adjuvant chemotherapy, the addition of radiation t...al radiation therapy (radiation to the lymph nodes and chest wall) to a course of chemotherapy after radical mastectomy in premenopausal women with lymph n...

Novel Asthma Study Shows Multiple Genetic Input Required; Single-gene Solution Shot Down

...risk breast cancer treated with radical mastectomy and adjuvant chemotherapy, the addition of radiation t...al radiation therapy (radiation to the lymph nodes and chest wall) to a course of chemotherapy after radical mastectomy in premenopausal women with lymph n...

Jump-starting T Cells In Skin Cancer

...ients with tumor proteins. How these vaccines work and why they are only effective in some patients remains unclear. Pierre Coulie and colleagues now show, in two articles in the January 17 issue of the Journal of Experimental Medicine...

Molecular biology fills gaps in knowledge of bat evolution

...largely unknown because of a limited fossil record and conflicting or incomplete theories about their origins and divergence. Now, a research team including University of California, Riverside Biology Professor Ma...

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

...t time, how consuming foods rich in saturated fats and trans-fatty acids causes elevated blood levels of cholesterol and triglycerides and increases one's risk of heart disease and certain cancers. In the Jan. 28 issue o...

A new mechanism of regulating RNA degradation

...ing it. And it is no different for cell biologists and clinicians who want to take control of gene expres... Lynne E. Maquat, Ph.D., professor of Biochemistry and Biophysics at the University of Rochester Medical Center, and her team have identified a novel pathw...

FDA Approves Human Hookworm Vaccine for Phase I Safety Trials

...ing it. And it is no different for cell biologists and clinicians who want to take control of gene expres... Lynne E. Maquat, Ph.D., professor of Biochemistry and Biophysics at the University of Rochester Medical Center, and her team have identified a novel pathw...

Deficient DNA Repair Capacity Associated With Increased Risk Of Breast Cancer

...pair contributes to the accumulation of DNA damage and accelerates the genetic changes involved in carcin...rsity Mailman School of Public Health in New York, and colleagues analyzed cell lines generated from blood samples taken from pairs of sisters in which one...

Spleen may be source of versatile stem cells

..., PhD, director of the MGHImmunobiology Laboratory and senior author of the SAGE KE report. "Ifso, these ...ans as the small intestine, uterus, vascularsystem and lung. They theorize that a pocket of these uncommitted cellsmight remain in the spleen though adulth...

Genes In The Interferon System Important In Systemic Lupus Erythematosus

... todiscover the mechanisms behind the disease SLE, and maybe otherautoimmune diseases at the molecular le...nn-Christine Syvänen.A few years ago Lars Rönnblom and Professor Gunnar Alm at the SwedishUniversity of Agricultural Sciences were virtually the only resea...

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

...tion of life on Earth may be found in the microbes and minerals vented from below the ocean floor, say sc...milar to the earliest strategies of life on Earth, and perhaps also on other planetary bodies," said Rachel M. Haymon, UCSB professor of geology. Newly di...

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