Crossposted from Nature’s news blog Britain has overturned its ban on blood donations from gay men, provided that they have not had sex within the last 12 weeks. This period of time in necessary due to the threat of Hepatitis B, which may be infectious for an extended period when at undetectable levels actually. Continue reading on Character’s news blog.The existing clinical trial shall use mesenchymal stromal cells from the bone marrow. These cells have already been studied even more for treatment of a wide array of diseases recently, including autoimmune diseases. Related StoriesStudy suggests combination of MMF and CNIs can protect against rare lymphomaCommon drug used for treating fungal attacks in lung transplant recipients boosts risk for skin malignancy, deathNurses who work with organ transplant patients encounter high levels of emotional exhaustion’The beginning of this clinical trial may be the culmination of two years' of collaborative work by a terrific multidisciplinary team at Emory Healthcare, Kids's Healthcare of Atlanta and the Aflac Tumor Middle,’ says Edmund Waller, MD, director of Winship's Bone Marrow and Stem Cell Transplant Plan and investigator on this trial.