Obesity, Fitness & Wellness Week
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Female Infertility
Key to male infertility reported
July 14th, 2007
A factor in immune cells regulates human semen and seems to determine whether a man will be fertile, according to a new study. Yousef Al-Abed, PhD, and his colleagues at The Feinstein Institute for Medical Research have isolated an immune substance called macrophage migration inhibitory factor (MIF) in semen samples from infertile and reproductively healthy men. MIF is key to helping sperm mature, which is necessary for its union with an egg. The finding could lead to a diagnostic test to determine fertility status. The study appears in the latest issue of Molecular Medicine. The semen samples were collected from men three to five days after a period...
Source: Obesity, Fitness & Wellness Week (2007-07-14)
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