Medical research

Sperm crawl and collide on way to egg, researchers say

Scientists at the Universities of Birmingham and Warwick have shed new light on how sperm navigate the female reproductive tract, 'crawling' along the channel walls and swimming around corners; with frequent collisions.

Oncology & Cancer

Patient-derived and mouse endo-ectocervical organoid generation

A few stem cells, various growth factors, four to six weeks of time—and, of course, a great deal of expertise—are needed to create a scaled-down but nevertheless lifelike and functional replica of a cervix in the laboratory.

Medical research

Bacteria are key to vaginal health, researchers say

Bacterial vaginosis is the most common and recurrent gynecological condition affecting nearly 30% of women between the ages of 15 and 44, according to the U.S. Centers for Disease Control and Prevention. A University of Arizona ...

Medical research

Nanotechnology prevents premature birth in mouse studies

In a study in mice and human cells, Johns Hopkins Medicine researchers say that they have developed a tiny, yet effective method for preventing premature birth. The vaginally-delivered treatment contains nanosized (billionth ...

Medical research

Are the movements of tiny hairlike structures a key to our health?

Little is understood about how cilia, the tiny hairlike organelles that in humans are often the first lines of defense against pathogens in our lungs and respiratory tracks and even help push sperm along, move in coordination. ...

Psychology & Psychiatry

Stress can have lasting impacts on sperm and future offspring

Prolonged fear and anxiety brought on by major stressors, like the coronavirus pandemic, can not only take a toll on a person's mental health, but may also have a lasting impact on a man's sperm composition that could affect ...

Medical research

Genetic lung disease's molecular roots identified

Respiratory infections peak during the winter months, and most people recover within a few weeks. But for those with a rare genetic lung disease, the sniffling, coughing and congestion never end. The tiny hairlike structures ...

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