Medical research

Identification of all types of germ cells tumors

Germ cell tumors constitute a diverse group of rare tumors, which occur in the testes, ovaries and also in other places. Some germ cell tumors exist prenatally, while others present during or after puberty. The majority are ...

Genetics

Ancient epigenetic changes silence cancer-linked genes

An epigenetic change, a form of DNA control, that deactivates some genes linked to cancer late in human development has been conserved for more than 400 million years, new research led by the Garvan Institute of Medical Research ...

Genetics

DNA repair gene linked to male infertility

A key DNA repair gene known as X-ray repair cross-complementing group 1, or XRCC1, plays a vital role in maintaining genomic stability and is highly expressed in the early stages of sperm cell development (also known as spermatogenesis). ...

Health

Get the dirt on germs

Germs are lurking all around us, and they may be hiding in places that you had not even considered. Baylor College of Medicine's Isabel Valdez, physician assistant and instructor of general internal medicine, sheds light ...

Oncology & Cancer

Why some cancers affect only young women

Among several forms of pancreatic cancer, one of them specifically affects women, often young. How is this possible, even though the pancreas is an organ with little exposure to sex hormones? This pancreatic cancer, known ...

Oncology & Cancer

Researchers map the genome of testicular cancer

Testicular germ cell cancer, a disease that is rare but growing in incidence in men in the United States, is considered to be among the most curable of solid tumors. Now researchers from the University of North Carolina Lineberger ...

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Germ cell

Germ cells are progenitors of the gametes. These singled-out cells move through the gut to the developing gonads and undergo mitotic proliferation followed by meiosis and differentiation into either eggs or sperm (mature gametes). Plants do not have a germ line set aside in early development. Instead germ cells can come from somatic cells in the adult floral meristem.

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