{"id":162917,"date":"2023-04-27T22:23:36","date_gmt":"2023-04-28T03:23:36","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2023\/04\/recent-clinical-trials-with-stem-cells-to-slow-or-reverse-normal-aging-processes"},"modified":"2023-04-27T22:23:36","modified_gmt":"2023-04-28T03:23:36","slug":"recent-clinical-trials-with-stem-cells-to-slow-or-reverse-normal-aging-processes","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2023\/04\/recent-clinical-trials-with-stem-cells-to-slow-or-reverse-normal-aging-processes","title":{"rendered":"Recent clinical trials with stem cells to slow or reverse normal aging processes"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/recent-clinical-trials-with-stem-cells-to-slow-or-reverse-normal-aging-processes2.jpg\"><\/a><\/p>\n<p>Stem cells (SCs) are undifferentiated cells which can proliferate indefinitely or differentiate into progenitor cells and end-phase differentiated cells (becoming pluripotent) (<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC10116573\/#B74\" rid=\"B74\" class=\"\">Mayo, 2021<\/a>; <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC10116573\/#B102\" rid=\"B102\" class=\"\">Slack, 2022<\/a>). Human embryonic SCs (<em>h<\/em>E-SCs) are found in the inner cell mass of the blastocyst; <em>h <\/em>E-SC research raises ethical concerns (<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC10116573\/#B64\" rid=\"B64\" class=\"\">Lo and Parham, 2009<\/a>), and <em>h <\/em>E-SC transplantation <em>in vivo<\/em> can lead to the formation of large tumors called teratomas (<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC10116573\/#B12\" rid=\"B12\" class=\"\">Blum and Benvenisty, 2008<\/a>).<\/p>\n<p>Small numbers of adult SCs are found in some organ \u201cniches\u201d, including the bone marrow, where hematopoietic progenitor cells (HPC) replenish blood and immune cells. In 1958, <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC10116573\/#B73\" rid=\"B73\" class=\"\">Mathe et al. (1959)<\/a> successfully performed the first adult SC therapy on five workers who had received high-dose accidental irradiation at the Vinca Nuclear Institute in Yugoslavia. After transfusions and grafts of homologous adult bone marrow, all workers survived (<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC10116573\/#B73\" rid=\"B73\" class=\"\">Mathe et al., 1959<\/a>).<\/p>\n<p>For years, the human umbilical cord was a waste material and, unlike <em>h <\/em>E-SCs, its use does not raise ethical concerns. In 1988, <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC10116573\/#B38\" rid=\"B38\" class=\"\">Gluckman et al. (1989)<\/a> successfully performed the first human cord blood transplant in a child with Fanconi\u2019s anemia. Since then, numerous public and private cord blood banks have been established worldwide for the cryopreservation of cord blood in view of its transplantation (<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC10116573\/#B39\" rid=\"B39\" class=\"\">Gluckman, 2011<\/a>).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Stem cells (SCs) are undifferentiated cells which can proliferate indefinitely or differentiate into progenitor cells and end-phase differentiated cells (becoming pluripotent) (Mayo, 2021; Slack, 2022). Human embryonic SCs (hE-SCs) are found in the inner cell mass of the blastocyst; h E-SC research raises ethical concerns (Lo and Parham, 2009), and h E-SC transplantation in vivo [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,2017,45,269,873],"tags":[],"class_list":["post-162917","post","type-post","status-publish","format-standard","hentry","category-biotech-medical","category-cryonics","category-finance","category-life-extension","category-nuclear-energy"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/162917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=162917"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/162917\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=162917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=162917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=162917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}