In one year, each of us will lose and replace a mass of cells equal to our own body weight. It is only because these processes are closely regulated that we can recognize ourselves as the “same” person after that year. Sánchez Alvarado explains that tissue homeostasis and regeneration are regulated in part by stem cells and he argues that studying model systems such as planaria will allow us to understand the role of stem cells in human health and well being.
Dr. Alejandro Sánchez Alvarado is an Investigator at the Stowers Institute for Medical Research in Kansas City, MO and the Howard Hughes Medical Institute. He is also co-director of the summer course on embryology at the Marine Biological Laboratory in Woods Hole, MA. Sánchez Alvarado moved from Venezuela and received his Bachelor’s degree in Molecular… Continue Reading