What is the philosophical and ethical significance of manipulating the very cells that define our biological lineage?

Germ cells are used to produce human reproductive sex cells called gametes. Germ cells can either be diploid, or haploid (containing half the diploid chromosome ... Most germ cell tumors are treated with chemotherapy along with radiation therapy. Chemotherapy Treatment Radiation therapy Surgery Germ cell tumors in the testes of an adolescent male commonly present as an enlarging, solid mass, which may be painful. Within the ovaries, germ cell tumors ... Jun 12, 2024 ... RESULTS. Germ cell removal affects the life span of N. furzeri in a sex-dependent manner. To investigate the role of germ cells in ... Overview. A type of cell that forms as a fetus (also called unborn baby or embryo) develops is called a germ cell. Germ cells are the cells that make the ... The initial step of spermatogenesis is the transition from male primitive germ cells (gonocytes) to undifferentiated spermatogonia in the neonatal testis. Germinomas. Germinomas are malignant germ cell tumors. Germinomas are also termed dysgerminoma when located in the ovaries; and seminoma when located in the ... Germ cells are forever. Cell. 2008 Feb 22;132(4):559-62. doi: 10.1016/j.cell.2008.02.003. Yolk sac tumors are the most common malignant testicular and ovarian tumors in children. Most yolk sac tumors will require surgery and chemotherapy, regardless ... Tumors that start in specialized cells called germ cells. Symptoms include a lump, swelling, and/or pain in the affected body part, difficulty breathing, cough.