What are germ cell and sex cord stromal cells? Germ cells and sex cord stromal cells form when a fetus (baby) is developing. A fetus is made from a sperm cell and an egg cell. Germ cell tumors (GCTs) ...

A study analyzed genetic data from over 1,400 men with testicular germ cell tumors (TGCTs) and 18,000 cancer-free controls.

MARCH 13, 2024 — Fertility requires proper development of egg and sperm. This development begins with an epic journey of egg and sperm precursors called primordial germ cells from their place of ...

Two weeks after a human egg is fertilized, primordial germ cells (PGCs), which develop into sperm and eggs, are formed. In six to 10 weeks after fertilization, PGCs differentiate into pro ...

Researchers have found a new role for the transcription factor (proteins that regulate the transcription, or copying, of genes). In the fruit fly, this transcription factor, named Traffic Jam, ...