News tagged with sex cells
New thinking on regulation of sex chromosomes in fruit flies
Fruit flies have been indispensible to our understanding of genetics and biological processes in all animals, including humans. Yet, despite being one of the most studied of animals, scientists are still finding the fruit ...
Sep 19, 2011 |
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Genomic archeology reveals early evolution of sex chromosomes
A team from Uppsala University, Uppsala, Sweden, is using genomics to shed light on the early evolutionary history of sex chromosomes. The research is published in the April 2011 Eukaryotic Cell.
May 17, 2011 |
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Crucial sex hormones re-routed by missing molecule
A hormone responsible for the onset of puberty can end up stuck in the wrong part of the body if the nerve pathways responsible for its transport to the brain fail to develop properly, according to research funded by the ...
Nov 29, 2010 |
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Protein critical in malaria parasite development identified
Research led by The University of Nottingham has opened up a new area of malaria parasite biology which could lead to new methods of controlling the transmission of this deadly disease.
Sep 27, 2010 |
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Prototype vaginal gel fails to block HIV: study
A vaginal gel failed to protect women against the AIDS virus, doctors said on Monday, reporting on a major clinical trial that enrolled more than 9,000 women.
Medicine & Health / HIV & AIDS
Sep 20, 2010 |
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Mouse stem cell study offers new insights into body fat distribution
New research being presented today at the UK National Stem Cell Network Annual Science Meeting in Nottingham shows that adding fat to mouse stem cells grown in the lab affects their response to the signals that push them ...
Jul 11, 2010 |
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New research model of human prostate cancer shows cancer development
Progress toward understanding the role of sex hormones in the growth of prostate cancer -- the most common cancer in U.S. men -- has been hindered by the lack of a suitable laboratory research model. Now researchers say they ...
Jul 01, 2010 |
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Estrogen may reduce airway constriction in women patients with asthma
Female sex hormones may work with beta-agonists in reducing airway constriction, according to new bench research from the Mayo Clinic.
Medicine & Health / Diseases, Conditions, Syndromes
May 17, 2010 |
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Placental precursor stem cells require testosterone-free environment to survive
Trophoblast stem cells (TSCs), cells found in the layer of peripheral embryonic stem cells from which the placenta is formed, are thought to exhibit "immune privilege" that aids cell survivability and is potentially beneficial ...
Oct 29, 2009 |
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It's phone over sex for some
Who needs foreplay when you have a cell phone?
Oct 12, 2009 |
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Turning back the clock: Fasting prolongs reproductive life span
Scientific dogma has long asserted that females are born with their entire lifetime's supply of eggs, and once they're gone, they're gone. New findings by researchers at Fred Hutchinson Cancer Research Center, published online ...
Aug 27, 2009 |
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Estrogen-dependent switch tempers killing activity of immune cells
The sex hormone estrogen tempers the killing activity of a specific group of immune cells, the cytotoxic T cells (CTLs), which are known to attack tumor cells and cells infected by viruses. The key player in this process ...
Medicine & Health / Medical research
Aug 10, 2009 |
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Scientists discover key event in prostate cancer progression
A study led by researchers at the Ohio State University Comprehensive Cancer Center and Dana-Farber Cancer Institute reveals how late-stage, hormone-independent prostate tumors gain the ability to grow without need of hormones.
Jul 23, 2009 |
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Plastics chemical retards growth, function of adult reproductive cells
Bisphenol A, a chemical widely used in plastics and known to cause reproductive problems in the offspring of pregnant mice exposed to it, also has been found to retard the growth of follicles of adult mice ...
Jul 08, 2009 |
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Naturally produced estrogen may protect women from Parkinson's disease
Women who have more years of fertility (the time from first menstruation to menopause) have a lower risk of developing Parkinson’s disease than women with fewer years, according to a large, new study by researchers at Albert ...
Medicine & Health / Diseases, Conditions, Syndromes
Feb 25, 2009 |
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