Showing posts with label transplanted. Show all posts
Showing posts with label transplanted. Show all posts

Saturday 7 December 2019

A Person Can Be Their Own Donor Cells For Insulin Production

A Person Can Be Their Own Donor Cells For Insulin Production.
Researchers have been able to dig sympathetic cells that normally produce sperm to form insulin instead and, after transplanting them, the cells briefly cured mice with font 1 diabetes. "The goal is to coax these cells into making enough insulin to cure diabetes. These cells don't extravasate enough insulin to cure diabetes in humans yet," cautioned on senior researcher G Ian Gallicano, an associate professor in the department of Biochemistry and Molecular and Cellular Biology, and kingpin of the Transgenic Core Facility at Georgetown University Medical Center, in Washington DC.

Gallicano and his colleagues will be presenting the findings Sunday at the American Society of Cell Biology annual conjunction in Philadelphia. Type 1 diabetes is believed to be an autoimmune complaint in which the body mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, men and women with classification 1 diabetes must rely on insulin injections to be able to process the foods they eat. Without this additional insulin, clan with type 1 diabetes could not survive.

Doctors have had some success with pancreas transplants, and with transplants of just the pancreatic beta cells (also known as islet cells). There are several problems with these types of transplants, however. One is that as with any transplant, when the transplanted tangible comes from a donor, the body sees the untrained combination as foreign and attempts to destroy it. So, transplants require immune-suppressing medications. The other involve is that the autoimmune attack that destroyed the original beta cells can spoil the newly transplanted cells.

A benefit of the technique developed by Gallicano and his team is that the cells are coming from the same man they'll be transplanted in, so the body won't see the cells as foreign. The researchers Euphemistic pre-owned spermatogonial cells, extracted from the testicles of deceased human organ donors. In the testes, the affair of these cells is to produce sperm, according to Gallicano.

However, outside of the testes the cells act a lot like human eggs do, and there are certain genes that turn them on and make them behave have a weakness for embryonic-like stem cells. "Once you take them out of their niche, the genes are primed and ready to go".

Thursday 19 June 2014

New Research In Plastic Surgery

New Research In Plastic Surgery.
The blood vessels in guts move patients reorganize themselves after the procedure, researchers report. During a full face transplant, the recipient's notable arteries and veins are connected to those in the donor face to ensure healthy circulation. Because the tradition is new, not much was known about the blood vessel changes that occur to help blood return its way into the transplanted tissue.

The development of new blood vessel networks in transplanted series is vital to face transplant surgery success, the investigators pointed out in a news loose from the Radiological Society of North America (RSNA). The researchers analyzed blood vessels in three aspect transplant patients one year after they had the procedure at Brigham and Women's Hospital in Boston. All three had supreme blood flow in the transplanted tissue, the team found.