News tagged with sex cells
'Promiscuous parasites' hijack host immune cells
Toxoplasma gondii parasites can invade your bloodstream, break into your brain and prompt behavioral changes from recklessness to neuroticism. These highly contagious protozoa infect more than half the wo ...
Medical research
Sep 20, 2011 |
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Gene mutations cause massive brain asymmetry
Hemimegalencephaly is a rare but dramatic condition in which the brain grows asymmetrically, with one hemisphere becoming massively enlarged. Though frequently diagnosed in children with severe epilepsy, the ...
Cancer
Jun 24, 2012 |
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Fragile X makes brain cells talk too much, research shows
The most common inherited form of mental retardation and autism, fragile X syndrome, turns some brain cells into chatterboxes, scientists at Washington University School of Medicine in St. Louis report.
Neuroscience
Feb 20, 2013 |
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B-cell discovery suggests why women suffer more autoimmune disease
Researchers at National Jewish Health have discovered a type of cell that may contribute to autoimmune disease and suggests why diseases such as lupus, multiple sclerosis and rheumatoid arthritis strike women more frequently ...
Medical research
Aug 04, 2011 |
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Researchers discover gene required to maintain male sex throughout life
University of Minnesota Medical School and College of Biological Sciences researchers have made a key discovery showing that male sex must be maintained throughout life.
Genetics
Jul 20, 2011 |
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His and hers: Male hormones control differences in mammary gland nerve growth
Johns Hopkins scientists have found a surprising mechanism that gives male sex hormones like testosterone control over the gender-specific absence or presence of mammary gland nerves that sense the amount ...
Medical research
Dec 06, 2012 |
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Adolescent sex linked to adult body, mood troubles, in animal study
A new study suggests that sex during adolescence can have lasting negative effects on the body and mood well into adulthood, most likely because the activity occurs when the nervous system is still developing.
Neuroscience
Nov 15, 2011 |
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This is your brain on estrogen
It's no secret that women often gain weight as they get older. The sex hormone estrogen has an important, if underappreciated, role to play in those burgeoning waistlines.
Medical research
Oct 04, 2011 |
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Study shows estrogen works in the brain to keep weight in check
A recent UT Southwestern Medical Center study found that estrogen regulates energy expenditure, appetite and body weight, while insufficient estrogen receptors in specific parts of the brain may lead to obesity.
Medical research
Oct 20, 2011 |
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Slamming the brakes on the malaria life cycle
Scientists have discovered a new target in their fight against the devastating global disease 'malaria' thanks to the discovery of a new protein involved in the parasite's life cycle.
Medical research
Feb 23, 2012 |
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Researchers identify gene partly responsible for maternal care in mice
(Medical Xpress)—The medial preoptic area of the brain has been found over the years to be very closely involved with certain behaviors in mice, such as sexual proclivity, locomotion, aggression and the ...
Genetics
Sep 18, 2012 |
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A genetic defect in sex cells may predispose to childhood leukemia
Researchers at the Sainte-Justine University Hospital Center and the University of Montreal have found a possible heredity mechanism that predisposes children to acute lymphoblastic leukemia (ALL), the most ...
Genetics
Dec 17, 2012 |
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Selfish gene may undermine genome police
(Medical Xpress)—For a bunch of inanimate chemical compounds, the nucleic and amino acids caught up in the infamous "selfish" segregation distorter (SD) saga have put on quite a soap opera for biologists ...
Genetics
Mar 05, 2013 |
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New mechanism found on how a parasite leads to cancer
About 200 million people across 75 of the poorest countries in the world are now infected by the blood parasite Schistosoma haematobium (S. haematobium). The infection causes severe urogenital disease, but ...
Cancer
Jan 17, 2013 |
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Scientists identify progenitor cells, potential new 'roots' of breast cancer
Scientists have discovered new types of early cells in mammary glands, uncovering clues to the origins of different breast cancers - and potential new drug targets, according to findings published in Breast Ca ...
Cancer
Oct 29, 2012 |
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