Tag Archives: DNA

Looking for mutated sperm? Go FISH

Chemotherapy and radiation treatments are known to cause harsh side effects, including their impact on fertility. Extensive evidence shows that chemotherapy and radiation treatments are genotoxic, meaning they can mutate the DNA and damage chromosomes in patients’ cancerous and noncancerous … Continue reading

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Genetic mutations may be linked to infertility, early menopause

A new study from Washington University School of Medicine in St. Louis identifies a specific gene’s previously unknown role in fertility. When the gene is missing in fruit flies, roundworms, zebrafish and mice, the animals are infertile or lose their … Continue reading

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Rate of genetic mutations could help predict fertility

Differences in the rate that genetic mutations accumulate in healthy young adults could help predict remaining lifespan in both sexes and the remaining years of fertility in women, according to University of Utah Health scientists. Their study, believed to be … Continue reading

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Studies look into how DNA crossovers can drive healthy or abnormal sperm, egg cell division

In the famous words of movie character Forrest Gump, “Life is like a box of chocolates; you never know what you’re gonna get.” The same principle applies to human genetics. When the body forms sperm or egg cells in a … Continue reading

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Study uncovers the role of DNA repair in preserving egg quality

A study out of Australia has uncovered the role DNA repair plays in preserving egg quality, offering hope for women whose eggs may be damaged through treatments such as radiation and chemotherapy. The study found that when the cell death … Continue reading

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Researchers uncover genetic mystery of infertility

Researchers have discovered a novel parasitic gene in fruit flies that is responsible for destroying the eggs in the ovaries of their daughters. Just like fruit flies, human genomes are filled with mobile parasitic genes called transposons and, similar to … Continue reading

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Researchers find a potential new way to diagnose and treat male infertility

It can take a year or longer of trial and error for a doctor to determine if a man is infertile. But new research by Michael Skinner, a Washington State University reproductive biologist, could change that. Skinner and an international … Continue reading

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Recurrent miscarriage linked to chromosomal abnormalities

When a couple loses a pregnancy, and especially when the same couple loses multiple pregnancies, doctors are often at a loss to explain why. For about 40 to 60 percent of couples with recurrent miscarriage (RM), the condition remains unexplained, … Continue reading

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Sperm DNA damage may contribute to repeated miscarriages, study reports

Some cases of recurrent pregnancy loss may be caused by sperm DNA damage in the male partner, rather than by a problem in affected women, according to research presented at ENDO 2019, the Endocrine Society’s annual meeting in New Orleans … Continue reading

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Scientists modify genes of embryos

A team of researchers in Portland, Oregon has carried out the first known attempt at genetically modifying human embryos in the United States. According to an article in the MIT Technology Review, researchers at the Oregon Health and Science University successfully … Continue reading

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