http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. An analysis of data on heart and lung transplant recipients indicates that patients who had transplant surgery performed at nighttime did not have a significantly different rate of survival up to one year after organ transplantation, according to a study in the June 1 issue of JAMA. http://medicalxpress.com/news/2011-05-nighttime-transplant-surgery-poorer-survival.html Other Tue, 31 May 2011 16:26:31 EST news226077965 Researchers at King's College London have used cells found naturally in the body, to re-educate the immune system to prevent rejection of an organ transplant while remaining capable of fighting infections and cancer. http://medicalxpress.com/news/2011-05-re-educating-immune-cell-therapy.html Medical research Wed, 18 May 2011 14:00:05 EST news224942288 Johns Hopkins researchers have demonstrated that human liver cells derived from adult cells coaxed into an embryonic state can engraft and begin regenerating liver tissue in mice with chronic liver damage. http://medicalxpress.com/news/2011-05-adult-stem-cells-root-livers.html Medical research Wed, 11 May 2011 14:00:07 EST news224338920