Sperm in Medical News

Sperm Cell Insights May Aid Stem Cell Research

... Scientists spot proteins that help sperm revert to stem cell state THURSDAY, ... that play a major role in reverting adult sperm cells back into stem cells have been identified ... redirection of stem cells on the way to becoming sperm cells back to stem cells. The study, published ...

Unlocking the key to human fertility

... at the University of Bradford, have found that sperm writes a DNA signature that can only be ... DNA packaging 'signature' in mammalian sperm that may be essential for successful ... proceed normally. Notably, disturbances in human sperm DNA packaging are known to cause male infertility ...

California Cryobank Introduces Celebrity Look-a-Likes for Sperm Donors

... ANGELES, July 28 /PRNewswire/ -- Interested in a sperm donor who resembles your favorite actor, athlete, ... California Cryobank (CCB) , the nation's leading sperm bank, now offers a celebrity Donor Look-a-Likes ... a three generation family medical history, and a sperm count/quality in the top 10-15% of the entire ...

UB start-up provides innovative digital sperm analysis to infertile couples worldwide

... reproduction. Burkman provided sophisticated sperm evaluation services at Women & Children's ... the past 20 years, Burkman has developed unique sperm fertility tests, including special methods for ... of vigorous swimming patterns and binding of sperm to the cover of human eggs. She has focused ...

Male Fertility Supplement Improves Sperm Quality & Motility in Clinical Study

... Study results showed marked improvement in sperm parameters, particularly with respect to the overall number of normally shaped, motile sperm in the ejaculate. ... Study results showed marked improvement in sperm parameters, particularly with respect to the ...

New technique could save cancer patients' fertility

... cancer treatment. Men are able to freeze their sperm for later use before they begin ... is to collect her eggs, fertilize them with sperm and freeze the resulting embryos. However, this ... contained to mature, fertilized them with mouse sperm and implanted them into female mice to establish ...

Human sperm created from embryonic stem cells

... Human sperm have been created using embryonic stem cells for ... technique which has made the creation of human sperm possible in the laboratory. The work is ... it will allow researchers to study in detail how sperm forms and lead to a better understanding of ...

New Study Shows Daily Sex Can Increase Sperm Count

... a history of fertility problems can improve their sperm count by having sex every day. According to Genie ... culprit sabotaging both a man's sex life and his sperm count." ... a history of fertility problems can improve their sperm count by having sex every day. The problem is ...

Daily sex helps to reduce sperm DNA damage and improve fertility

... ejaculating daily) for seven days improves men's sperm quality by reducing the amount of DNA damage, ... might be a physiological mechanism to improve sperm DNA damage, while maintaining semen levels within ... studied 118 men who had higher than normal sperm DNA damage as indicated by a DNA Fragmentation ...

Dad's Genes May Play Greater Role Than Thought

... Data on 'packaging' in sperm cells may also help assess infertility,, ... scheme that allows the genetic material in sperm to have far more influence over development of a ... carry genetic information are tightly packaged in sperm cells, Cairns said. That tight packaging enables ...

Soyfoods a Healthy Choice for Men

... testosterone levels, reproductive hormones, sperm motility, or sperm quality. This evidence includes a large body of ... and no effect on quantity, quality or motility of sperm were observed. In fact, a small-scale, ...

Semen quality depends upon antioxidants

... stress that can affect semen quality, and improve sperm concentration parameters as well as sperm mobility and morphology. The study was ... lead to pregnancy. In this analysis, the Spanish sperm came second, only behind Portugal. "The quality ...

Male Infertility Treatment Boosts Sperm Count

... combination therapy appears to improve sperm count and motility in infertile men, according to ... treatment group also had a greater increase in sperm concentration and an improvement in sperm progression, the Cairo University researchers ...

Genetic Finding May Lead to Male Contraceptive

... CATSPER1 gene. It's believed the mutations affect sperm motility, the motion sperm use to enter an egg during fertilization. ... in the fertility process and are specific for sperm -- potentially minimizing side effects of a drug ...

Researchers clone key sperm-binding proteins

... clone, produce and purify a protein important for sperm maturation, termed Binder of sperm (BSP), which may have implications for both ... produced by the seminal vesicles and added to sperm at ejaculation. Yet this is not the case for ...

Late-Life Fatherhood May Lower Child's Intelligence

... and autism." One reason may be that men's sperm change as they age, the Australian researchers ... "We suspect that more mutations accumulate in sperm as the dads age," said Dr. John McGrath, from the ... birth, so DNA may stay relatively stable. But sperm is produced over a man's lifetime. Studies ...

Male fertility expert Marvin Meistrich elected AAAS Fellow

... - Illuminating the molecular details of normal sperm development, demonstrating how chemotherapy or ... undergoing treatment now, men can bank their sperm for later in vitro fertilization. Boys have no ... our research is the possibility of banking these sperm stem cells before treatment and then ...

Dr. Karen E. Boyle Joins Chesapeake Urology Associates as Director of Reproductive Medicine and Surgery, Sexuality and Aesthetics

... service in vasectomy reversal, infertility, sperm retrieval, labiaplasty, vaginal rejuvenation, ... Infertility evaluation Azoospermia: Zero sperm Count Microsurgical vasectomy reversal Microsurgical sperm retrieval Male sexual health ...

Duska Therapeutics Acquires Technology for ATPotent Sperm Motility Program

... and animal sperm. ATPotent is a novel ATP-based sperm processing medium designed to reduce failure ... couples in the US. Lack of, or low sperm motility or movement, also known as ... shown that ATP treatment of poorly motile human sperm in vitro (outside of the human body) resulted in ...

Researchers Create Embryonic-Like Stem Cells From Human Testes

... tissues, isolated the cells that give rise to sperm cells, and then cultured them in growth media ... cells were more like embryonic stem cells than sperm cells. When injected into immune-compromised ... who has published papers on converting mouse sperm cells into stem cells. "But I think we are not ...

U.S. Surrogacy Firm to Provide Private Consultations in the UK for Prospective Parents

... Generations offers surrogacy, egg donation and sperm donation programs for all family types, ... to HIV-positive men, who can use their own sperm to create biological families. Growing ... the globe through surrogacy, egg donation, and sperm donation. ...

Simple Procedure Improves Male Fertility

... Correcting varicose veins in scrotum boosts sperm count, motility, study finds ... factors related to infertility, especially sperm count and sperm motility," said lead researcher Dr. Sebastian ...

Minimally Invasive Treatment Improves Male Fertility

... of Bonn in Germany, also found that the level of sperm motility prior to treatment is a key predictor of ... a catheter through the groin, can help to improve sperm function in infertile men,” said lead ... Mass. “With the patients’ improved sperm function, more than one-quarter of their healthy ...

Minimally invasive treatment improves male fertility

... of Bonn in Germany, also found that the level of sperm motility prior to treatment is a key predictor of ... a catheter through the groin, can help to improve sperm function in infertile men," said lead author ... in Burlington, Mass. "With the patients' improved sperm function, more than one-quarter of their healthy ...

Diabetes, Weight Tied to Male Infertility

... significant decrease in body's ability to repair sperm DNA, studies find WEDNESDAY, July 9 ... a significant decrease in their ability to repair sperm DNA, and once this is damaged, it cannot be restored." sperm DNA quality is known to be tied to decreased ...

Researcher say that ICSI may be over-used in some countries

... an explosion in the use of ICSI (intracytoplasmic sperm injection) to treat infertility, the 24th annual ... caused when a man either had a very low sperm count or poor sperm motility. ...

Sperm Donor Fights for His Rights as a Father in U.S. Supreme Court

... Certiorari on behalf of Daryl Hendrix, a Topeka sperm donor, to protect Daryl's constitutional rights ... rulings on the rights and obligations of sperm donors from one court to another in this nation. ... The Kansas Supreme Court decided, 4-2, that a sperm donor must have a written agreement with the ...

Couples with fertility problems where the man is over 35 have increased difficulty in conceiving

... intrauterine inseminations (IUIs). In IUI the sperm is 'washed', or spun in a centrifuge, in order to ... then inserted directly into the uterus. If the sperm are not washed they can cause uterine cramps ... because of the husband's infertility The sperm of each partner was examined at the time of the ...

Opioids and cannabinoids influence mobility of spermatozoids

... are opioid and cannabinoid receptors in human sperm and that these influence the mobility of ... the opioid and cannabinoid receptors in the human sperm such as this one, carried out by Mr Ekaitz ... found in equine sperm, and the presence in human sperm of the CB1 cannabinoid receptor was only ...

Young patient waited ten months before being diagnosed with cancer

... also ensured that he was given information about sperm banking before the chemotherapy started in case the treatment damaged his sperm irreparably and made him infertile. "The Christie ... chance of everything being normal, but the banked sperm is there in case it's not. I just have to have a ...

Fertility Specialists Decry Men's Reluctance to Seek Infertility Treatment

... the couple's infertility could be due to his sperm or some combination of male and female factors. ... -- Smoking -- Smokers often suffer from low sperm counts, decreased motility (the mobility of ... temporarily reduce the number and quality of sperm by as much as 50 percent. -- Diet & nutrition -- ...

Duska Therapeutics Sponsored University of Pennsylvania Study Demonstrates ATP Improves Sperm Motility and In Vitro Fertilization in Animals

... ATP (adenosine 5'-triphosphate) improves sperm motility and increases fertilizing capability in ... The University of Pennsylvania scientists studied sperm obtained from two mouse strains: one with normal ... Extracellular ATP treatment of these sperm in vitro (outside of the body) resulted in ...

Researchers Find Lubricant Doesn't Hinder Fertility

... use wisely because some lubricants can affect sperm motility, a new study finds. "Most commercial ... called ConceivEase, didn't adversely affect sperm motility, Kutteh said, although the other four ... all you need is a $14.99 oil change." If sperm aren't moving properly, fertility is affected, ...

Hormone Combo May Provide Reversible Male Birth Control Tool

... coupled with progestin effectively suppressed sperm production FRIDAY, March 28 ... of testosterone and progestin suppresses sperm production faster and more completely than ... birth control. "It is possible to suppress sperm output to concentrations that are comparable with ...

Low Folate Levels May Harm Sperm

... new research suggests the nutrient also boosts sperm health. Men with relatively low levels of folate had increased risks for sperm containing either too few or too many ... to help ward off birth defects. "We looked at sperm to find different kinds of genetic ...

Pacific Fertility Center Announces Breakthrough in Egg Freezing Technology

... Leeuwenhoek allegedly cooled and then recovered sperm using snow and ice in the 17th century), reliable ... until now. Traditionally, preservation of sperm and embryos has been achieved with the use of a ... exist individually or in small numbers, such as sperm and embryos. However, slow freezing does not work ...

Birth Problems Linked to Teenage Fathers

... Hospital. "It's 50 percent egg and 50 percent sperm that form the baby, and 100 percent of the blame ... are a significant part of the reason why their sperm are associated with more adverse neonatal outcomes," Cole said. "These risk-taking behaviors impact sperm in ways we don't know." Cole believes teenage ...

Significantly higher success rates with artificial insemination

... the success rate of 'ICSI' (intracytoplasmic sperm injection). This was discovered by scientists at ... method is recommended if the man produces too few sperm cells,' the Bonn reproductive biologist Dr. ... most cases still extract individual functioning sperm cells from testicular tissue, which they then ...

Quality control mechanism tags defective sperm cells inside the body

... COLUMBIA, Mo. Defective sperm cells do not pass through the body unnoticed. A ... that the body recognizes and tags defective sperm cells while they undergo maturation in the epididymis, a sperm storage gland attached to the testis. According ...

Evolutionary phenomenon in mice may explain human infertility

... allows the acrosome to be shed from the sperm head to create a new surface essential for sperm to be capable of fusing with an egg. This is a ... it is an advantage to an individual mouse for its sperm to react quickly in order to beat other male ...