In a significant move, scientists are calling for more tests to ensure that artificial sperm created by some British researchers are identical to their natural counterpart.
In a significant move, scientists are calling for more tests to ensure that artificial sperm created by some British researchers are identical to their natural counterpart. The experts are saying that further proof may make them a valuable tool to understand male infertility.
Karim Nayernia and his colleagues at the University of Newcastle recently treated male embryonic stem cells (ESCs) with a range of substances, which converted them first into germline stem cells, and finally into spermatogonial stem cells.
Condoms and Contraception-Types-Proper Use-Storage-Advantages-Disadvantages-FAQ
Condoms are an effective form of contraception. Condoms have been used for the past 400 years. They have been one of the most popular methods of contraception since the 19th century.
Condoms are an effective form of contraception. Condoms have been used for the past 400 years. They have been one of the most popular methods of contraception since the 19th century.
Other scientists are now calling for more evidence.
"Although they find that some of the sperm cells have tails and can swim, this is not evidence of normality," New Scientist magazine quoted Robin Lovell-Badge, who studies sperm formation at the UK National Institute for Medical Research in London, as saying.
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Encyclopedia section of medindia gives a brief introduction to infertility and reproduction
Encyclopedia section of medindia gives a brief introduction to infertility and reproduction
He is currently carrying out further tests to determine whether the same thing happens with the human sperm.
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Artificial Insemination is a medical procedure usually used to treat infertility. In this procedure, sperm is placed into a female's vagina, uterus or fallopian tubes by artificial means.
Artificial Insemination is a medical procedure usually used to treat infertility. In this procedure, sperm is placed into a female's vagina, uterus or fallopian tubes by artificial means.
"The sperm then have a normal shape and normal methylation patterns," he says.
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Ovulation is the time when an egg or ovum is released by female ovary, usually midway during the menstrual cycle. The ovulation calendar helps to calculate the time of ovulation.
Ovulation is the time when an egg or ovum is released by female ovary, usually midway during the menstrual cycle. The ovulation calendar helps to calculate the time of ovulation.
A more distant possibility is the creation of sperm from a woman's cells, allowing a lesbian couple to have a child.
Nayernia produced spermatogonial stem cells from female ESCs, but they lacked genes needed to mature.
An article shedding light on this field has been published in the journal Stem Cells and Development.
Source-ANI
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