Sperm Cryopreservation Current Events | Sperm Cryopreservation News | 5
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Sex is thirst-quenching for female beetles
Female beetles mate to quench their thirst according to new research by a University of Exeter biologist. The males of some insect species, including certain types of beetles, moths and crickets, produce unusually large ejaculates, which in some cases can account for around 10% of their body weight. view more (2007-08-29)
Leaves of the khat plant harbour a key to improving men's fertility
A chemical that occurs naturally in the leaves of an African plant could boost men's fertility, researchers told the 20th annual conference of the European Society of Human Reproduction and Embryology on Monday 28 June. Khat (Catha edulis) is a plant that has been cultivated for centuries in East Africa and the Arabian peninsula. Chewing the... view more... (2004-06-28)
Testes to incubate stem cells
Men may cringe at the idea, but sperm-producing stem cells found in testicles could be extracted, grown in the lab, and frozen for future use. view more (2006-04-25)
How sperm crack the whip
Researchers have identified a key component of the mechanism spermatozoa use to abruptly convert their tail motion from a steady swimming undulation to the whip-cracking snap that thrusts them into an egg. view more (2006-02-09)
Sperm stem cells closer to being like embryonic stem cells
New experiments that prevented rat sperm stem cells from changing permanently into sperm have brought researchers one step closer to coaxing such cells to behave like embryonic stem cells, capable of growing into many other types of cells in the body. view more (2005-11-16)
Researchers learn more about genetic mutation linked to autism
University of Iowa researchers have learned more about a genetic mutation that contributes to autism. The mutation occurred in sperm cells of a father, who does not have autism, but passed the condition on to two of his children. view more (2007-05-04)
EU research suggests that PCBs damage sperm - but finds no dramatic effect on male fertility
Research by an EU-supported international team of scientists has shown that polychlorinated biphenyls (PCBs)[1]-synthetic organic chemicals found widely in the environment and absorbed in the diet - may damage sperm. view more (2005-10-13)
Soy foods are associated with lower sperm concentrations
Men who eat an average of half a serving of soy food a day have lower concentrations of sperm than men who do not eat soy foods, according to research published online in Europe's leading reproductive medicine journal, Human Reproduction, today (Thursday 24 July). The association was particularly marked in men who were overweight or obese, the... view more... (2008-07-24)
Hormone Linked To Obesity Plays Positive Role In Fertility & Possibly Also Male Arousal
Researchers in the University of Warwick's Department of Biological Sciences have found that a hormone associated with obesity is actually also very active in the male genitals where it plays a key role in male fertility and may even influence the erection response in male sexual arousal. The research, published today (Tuesday 6th April 2004) in... view more... (2004-04-06)
Human embryonic stem cells have the potential to develop into eggs and sperm in the laboratory
Scientists in the UK have proved that human embryonic stem cells can develop in the laboratory into the early forms of cells that eventually become eggs or sperm. view more (2005-06-20)
Study Identifies Genetic Fingerprint Of Healthy Sperm
The genetic fingerprinting of sperm cells-detailed in this week's issue of THE LANCET-could be a major step forward in our understanding of male infertility. Around one in six couples experience difficulty in conceiving a child, and male fertility problems account for half of assisted reproductive techniques. However, the underlying cause of... view more... (2002-09-04)
Just Look At Spermatozoid Critically
In vitro fertilisation is one of the methods for overcoming infertility. This procedure is rather complicated and expensive. That is why the patients want to be sure about the successful result in advance. The investigations carried out at the Ott Research Institute of Obstetrics and Gynaecology, Russian Academy of Medical Sciences, and St.... view more... (2001-09-21)
Sperm banking before treatment preserves fertility in young male cancer patients
A recent study at Hamilton Health Sciences proves that sperm freezing and banking is an effective way to preserve fertility in adolescents and young adult (AYA) males with cancer. view more (2007-07-23)
Mutant sperm guide clinicians to new diseases
Research published today in Nature Genetics shows that some rearrangements of the human genome occur more frequently than previously thought. view more (2007-12-03)
Slow-frozen people? Latest research supports possibility of cyropreservation
The latest research on water—still one of the least understood of all liquids despite a century of intensive study — seems to support the possibility that cells, tissues and even the entire human body could be cyropreserved without formation of damaging ice crystals. view more (2006-06-21)
Couples with fertility problems where the man is over 35 have increased difficulty in conceiving
Pregnancy rates decrease and miscarriages increase when a father is over 35 years of age, a scientist will tell the 24th annual conference of the European Society of Human Reproduction and Embryology. view more (2008-07-07)
Maternal beef diet could impact sperm counts, UR study suggests
A mother's high beef consumption while pregnant was associated with lower sperm counts in her son, according to a study led by researchers at the University of Rochester. view more (2007-03-28)
Contraception: progress brings hope for new methods for men
For decades, pundits have predicted new contraceptives for men within the next 5 to 10 years. Are we really getting any closer? Judging from work presented today at the second "Future of Male Contraception" conference, the answer may finally be yes. view more (2007-09-28)
Diabetes linked to male infertility; excess sugars in the body have direct effect on sperm quality
Diabetes in men has a direct effect on fertility, a scientist told the 24th annual conference of the European Society of Human Reproduction and Embryology today. view more (2008-07-09)
Crystallography reveals the 3-D structure of mammalian sperm receptor
Scientists at the Swedish medical university Karolinska Institutet have determined the first 3D structure of ZP3, a protein essential for the interaction between the mammalian egg coat and sperm. view more (2008-12-05)
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