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WSU News sperm

Technology helps preserve fertility of boys with cancer

By Eric Sorensen, WSU science writer

Jon OatleyPULLMAN, Wash. – Washington State University researchers have found a promising way to preserve sperm stem cells so boys could undergo cancer treatment without risking their fertility. » More …

Sperm changes documented years after chemotherapy

By Eric Sorensen, WSU science writer

PULLMAN, Wash. – A Washington State University researcher has documented epigenetic changes in the sperm of men who underwent chemotherapy in their teens. » More …

Importing frozen honey bee sperm is key to conservation

Brandon-Hopkins-talks-in-lab-web

By Scott Weybright, College of Agricultural, Human & Natural Resource Sciences

PULLMAN, Wash. – Going through customs can be frustrating for travelers. Imagine going through with a container of frozen bee sperm. » More …

WSU researchers preparing bee semen bank

 

Sheppard and Cobey discuss the challenges facing honey bees and the efforts to expand the U.S. honey bee gene pool. Video by WSU College of Agricultural, Human and Natural Resource Sciences.

 

 

Click the image above to see how semen is extract from honey bees

Liquid nitrogen used to preserve semen from imperiled subspecies.

PULLMAN, Wash. – Washington State University researchers are preparing to use liquid nitrogen to create a frozen semen bank from select U.S. and European honey bee colonies.

At the same time, the researchers will use genetic cross-breeding methods to … » More …

Antidepressants, sperm function studied by Spokane researchers

Researchers at Washington State University Spokane are now enrolling subjects in the first-ever study of the effects of a class of common antidepressant on sperm function.The National Institute of Child Health and Human Development has awarded $143,000 to fund the study on the effects of selective serotonin reuptake inhibitors (SSRIs) on sperm function, including their impact on the genetic material in the sperm (the DNA, or chromatin). The SSRIs are the most commonly prescribed antidepressants in the United States (examples include Prozac, Zoloft and Paxil). An estimated 4 million men of reproductive age in the U.S. alone take SSRIs each year.The grant was awarded to … » More …