Oregon scientists uncover sub-atomic instruments that produce DNA harm in sperm Kumar Jeetendra | October 25, 2020 University of Oregon biologists have used the model organism Caenorhabditis elegans to identify molecular mechanisms that produce DNA damage in sperm and contribute to male infertility following exposure to heat. In humans, the optimal temperature for sperm production is just below body temperature, in a range of approximately 90-95 degrees F. Human studies have found …
Researchers produce first African lion in-vitro embryos after vitrification of juvenile oocytes Kumar Jeetendra | January 18, 2021 A team of scientists from the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) in Germany, Givskud Zoo – Zootopia in Denmark and the University of Milan in Italy succeeded in producing the very first African lion in-vitro embryos after the vitrification of immature oocytes. For this specific method of cryopreservation, oocytes are collected right …
Retroviruses attacking the koala germline add to high malignant growth rates Kumar Jeetendra | February 26, 2021 Koalas are facing multiple ecological and health issues which threaten their survival. Together with habitat loss – accelerated by last year’s devastating bush fires — domestic dog attacks and road accidents, they suffer from fatal chlamydial infections and extremely high frequency of cancer. The results are reported in the journal Nature Communications. The koala retrovirus …
Ladies treated with fertility drugs don’t have expanded breast cancer risk, study shows Kumar Jeetendra | June 21, 2021 Drugs frequently used during fertility treatments to release eggs don’t increase the chance of developing breast cancer, new research has shown. Researchers from King’s College London, in partnership with King’s Fertility, analyzed studies between 1.8 million women undergoing fertility treatments. These women were followed up in studies for a normal period of 27 years and …