Why chemotherapy causes more infertility in women than in men
For a long time a relationship between infertility and chemotherapeutic agents has been assumed. Now, the mechanism has been elucidated. Mainly women are affected because the quality control in the...
View ArticleResearchers uncover new role for mitochondria during RNA processing
Michael Frohman, M.D., Ph.D., Chair of the Department of Pharmacological Sciences at Stony Brook University School of Medicine, and colleagues, have discovered a new role for mitochondria during...
View ArticleJapanese sperm cell breakthrough offers hope to infertile men
(PhysOrg.com) -- In what can only be described as cosmic forces at work, Japanese scientists working at Yokohama University, just south of Tokyo, have in the midst of a national crises, announced a...
View ArticleFishing games gone wrong
When an egg cell is being formed, the cellular machinery which separates chromosomes is extremely imprecise at fishing them out of the cell's interior, scientists at the European Molecular Biology...
View ArticleChild-free women feel intense pressure to have kids—but rarely stress over it
Women who choose to be permanently childfree perceive more social pressures to become mothers than other women, but feel less distress about not having kids than women who are childless from...
View ArticleClues to chromosome crossovers
Neil Hunter's laboratory in the UC Davis College of Biological Sciences has placed another piece in the puzzle of how sexual reproduction shuffles genes while making sure sperm and eggs get the right...
View ArticleThe secret of fertile sperm
To better understand the causes of male infertility, a team of Bay Area researchers is exploring the factors, both physiological and biochemical, that differentiate fertile sperm from infertile sperm....
View ArticleStem cells from some infertile men form germ cells when transplanted into...
Stem cells made from the skin of adult, infertile men yield primordial germ cells—cells that normally become sperm—when transplanted into the reproductive system of mice, according to researchers at...
View ArticleMouse experiments suggest that a noncoding RNA can be vital for successful...
The proteins that underlie nearly all biological mechanisms are produced from RNA molecules transcribed from genetic sequences in DNA. However, a large proportion of transcribed RNA is not transcoded...
View ArticleResearchers image and measure tubulin transport in cilia
Defective cilia can lead to a host of diseases and conditions in the human body—from rare, inherited bone malformations to blindness, male infertility, kidney disease and obesity. Scientists knew that...
View ArticleSex chromosomes—why the Y genes matter
Several genes have been lost from the Y chromosome in humans and other mammals, according to research published in the open access journal Genome Biology. The study shows that essential Y genes are...
View ArticlePaper-based test could diagnose hepatitis B and assess male fertility at low...
Scientists have developed a new paper device that analyzes DNA and could rapidly and inexpensively assess disparate conditions including hepatitis B and male infertility, which together affect millions...
View ArticleStem cell technique makes sperm in a dish
Scientists in China have finally succeeded in creating functioning sperm from mice in the laboratory. To accomplish this feat, the researchers coaxed mouse embryonic stem cells to turn into functional...
View ArticleCoral on a chip cracks coral mysteries
We know that human-induced environmental changes are responsible for coral bleaching, disease, and infertility. Loss of the world's stony coral reefs - up to 30% in the next 30 years, according to some...
View ArticleTriploid flowering pears reduce self-sowing
Flowering pear trees are popular additions to landscapes across much of the United States. The attractive ornamentals are favored for their abundance of white flowers, showy fall color, broad pest...
View ArticleIs there a link between infertility and child educational outcomes?
How does resolved parental infertility relate to children's performance in school?
View ArticleMedieval men were diagnosed with infertility and prescribed treatments
Men could be held responsible for the failure to produce children as far back as medieval times, a new study of medical and religious texts has shown.
View ArticleNew research on sperm stem cells has implications for male infertility and...
New research from scientists at Huntsman Cancer Institute (HCI) at the University of Utah and collaborators at University of Utah Health (U of U Health) sheds light on the complex process that occurs...
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