... of biological processes, an essential one being the regulation of imprinted genes. This is required for the germ cells to function correctly. If these processes are not performed the resulting eggs or ...
... become the foetus (including germ cells) and outer cells will become trophoblast (the outermost layer ... low efficiency. If hESC derivation at the 4-cell stage turns out to be more efficient then at the 8 ...
... goes awry in cancer cells and how human stem cells and germ cells work. The fundamental ... Cbk1) turns on and blocks Ace2 from interacting with the cell's nuclear export machinery. Without this specific ...
... ectoderm, or outer layer of cells. (The endoderm, the innermost of the three primary germ cell layers, has not yet formed at this stage of development.)
The researchers used a technique called two- ...
... co-senior authors of the study.
The stem cells from the testes seem to hover in a gray area ... "multipotent germline stem cells." Germ cells are those cells in the body that differentiate to make sperm ...
... differentiate into neural stem cells, heart muscle cells, and germ cells, they show, but they are also capable ... report.
The results show that adult stem cells can be made pluripotent without c-Myc ...
... newborn male mouse supported stem cells and their ability to produce spermatogenesis much better ... team found that the receptor for Csf1 is enriched in Thy1+ germ cells. By adding Csf1 to cultures, SSC ...
... a new study appearing in the May 1 issue of Cell, Professor Gregory Hannon, Ph.D., ... for attacks in a way that differs from that used by transposons active in germ cells.
Two distinct piRNA pathways ...
... at one end of the cell, as if the temperature were suddenly lowered there. The progenitor germ cell subsequently forms where the P granules have condensed.
"This kind of phase transition could ...
... , ovarian cancer, chronic myeloid leukemia, germ cell tumors and Wilm's tumor (a childhood kidney ... fascinating protein that acts both in stem cells and cancers, and is teaching us that cancer is often ...
... basic understanding of how eggs and sperm develop from germ cells, infertility, genetic diseases and some cancers ... would take to get from a human stem cell to a set of gametes capable of successful test ...
... to primordial germ cells, spermatogonial stem cells, meiotic (spermatocytes) and post meiotic germ cells (spermatids and sperm).
These results indicated maturation of the primordial germ cells to ...
... rare, precious cells destined to produce sperm and eggs -- enabling us to have offspring - since these primordial germ cells' existence is fleeting and hard to spot with the tools of biology.read more
... of the prostate, skin and uterus. Their approach, described this month in the journal Stem Cells, may prove to be an effective alternative to the medical use of embryonic stem cells. The hunt for ...
... in Drosophila can be extrapolated to other organisms. Given that the transcriptional repression in germ cells is a general characteristic of all the organisms in which it has been studied, we propose ...
