An injection of banked sperm-producing stem cells can restore fertility to male primates who become sterile due to cancer drug side effects, according to researchers at the University of Pittsburgh School of Medicine and Magee-Womens Research Institute. In their animal study, published in Cell Stem Cell, previously frozen stem cells restored production of sperm that successfully fertilized eggs to produce early embryos. Read more here.
Study mentioned: Hermann BP, et al. Spermatogonial stem cell transplantation into rhesus testes regenerates spermatogenesis producing functional sperm. Cell Stem Cell. 2012 Nov 2;11(5):715-26. PMID: 23122294
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