Abstract: The present invention provides a method of enhancing an immune response to a vaccine by administering a vaccine and a population of isolated allogeneic human mesenchymal stem cells. The present invention also provides kits comprising a vaccine in a first container and a population of isolated allogeneic human mesenchymal stem cells in a second container.

Abstract: Compositions and methods are disclosed herein for the treatment of Alzheimer's disease with allogeneic mesenchymal stem cells. The methods of treatment involve the administration of a composition of allogeneic mesenchymal stem cells to a subject in need thereof, wherein the effectiveness of the treatment methods can be determined through the measurement of specific biomarkers and improved cognitive function.

Abstract: A method for assessing the potency of MSCs to produce anti-inflammatory cytokines in response to a pro-inflammatory stimulus. The method comprises stimulating the MSCs with one or more proinflammatory cytokines, such as TNF-?, for a duration of time and then identifying and quantifying the production of anti-inflammatory cytokines. MSCs that produce potent levels of anti-inflammatory cytokines in response to TNF-? can be used in treatments for aging-related conditions, including aging frailty and Alzheimer's disease, and can also be used to treat corona virus infections. The method shows that TNF-? induced MSCs robustly secrete several anti-inflammatory cytokines, including IL-1 receptor antagonist (IL-1RA), IL-10, and granulocyte colony stimulating factor (G-CSF).