Human Stem Cell Use: Adult or Tissue Stem Cell


Mass Cytometry to Delineate the Human Muscle Stem Cell Hierarchy and Dysfunction in Aging

Aging is characterized by a decline in skeletal muscle mass and strength (sarcopenia), coupled with an accumulation of fat tissue, impairing mobility and quality of life in 45% of individuals over 65 years of age. In aged mice, the regeneration defect arises in part from a diminished regenerative capacity of resident muscle stem cells (MuSCs). […]

Non-invasive live imaging of stem cell signature metabolic states

Stem cells in tissues exhibit unique metabolic states that could distinguish them from other more specialized cells. Using a new type of microscopy we can image the metabolic states of cells in living tissues and, therefore, attempt to identify stem cell populations. Because stem cells can give rise to tumors that are metabolically very different […]

Molecular regulation of stem cell potency

The field of stem cell biology as it applies to regenerative medicine requires a detailed understanding of what controls stem cell function. Our fundamental interest is in the molecular pathways that control how potent as a stem is in terms of its ability to make new tissues in response to injury and disease. We have […]

A novel druggable mechanism to safeguard stem cell genome

Safeguarding the genome is essential for cells’ proper functions, and more importantly for safe and efficacious applications involving pluripotent stem cells and adult stem cells. However, how pluripotent or somatic stem cells maintain genome integrity during self-renewal, differentiation, and reprogramming is still largely unknown. We recently identified a small molecule drug that exhibits unprecedented abilities […]

Molecular basis of plasma membrane characteristics reflecting stem cell fate potential

Stem cells generate mature, functional cells after proteins on the cell surface interact with cues from the environment encountered during development or after transplantation. Thus, these cell surface proteins are critical for directing transplanted stem cells to form appropriate cells to treat injury or disease. A key modification regulating cell surface proteins is glycosylation, which […]

New Regulators of Spermatogonial Stem Cells: RHOX Homeobox Transcription Factors

Infertility afflicts a remarkably high percentage (~15%) of couples, with male factor defects being responsible for more than ½ of these cases. One-third of these male infertility cases have no known cause. For most infertile men, the only “treatment” is in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI), both of which are costly, invasive […]

Differentiation of Human Hematopoietic Stem Cells into iNKT Cells

Blood stem cells living in the bone marrow of adult humans give rise to all of the cells in our blood, including the red blood cells that carry oxygen to supply our body, and the white blood cells such as T and B lymphocytes that fight infections and keep us healthy. Among the T lymphocytes […]

Tissue Engineered Recellularized Laryngotracheal Implants

The goal is to bring a safe and effective therapy to adult patients with critical narrowing of the upper windpipe (trachea) and lower voicebox (larynx). Our intent is to implement all of the necessary steps for a successful new stem/progenitor cell-derived airway transplant for later stage clinical trials and/or commercialization within 4 years. Our team […]

Clinical Trial of Stem Cell Gene Therapy for Sickle Cell Disease

Sickle cell disease (SCD)results from an inherited mutation in the hemoglobin gene that causes red blood cells to “sickle” under conditions of low oxygen. It occurs with a frequency of 1/500 African-Americans, and is also common in Hispanic-Americans, who comprise up to 5% of SCD patients in California. The median survival based on 1991 national […]

A Treatment For Beta-thalassemia via High-Efficiency Targeted Genome Editing of Hematopoietic Stem Cells

β-thalassemia is a genetic disease caused by diverse mutations of the β-globin gene that lead to profoundly reduced red blood cell (RBC) development. The unmet medical need in transfusion-dependent β-thalassemia is significant, with life expectancy of only ~30-50 years despite standard of care treatment of chronic blood transfusions and iron chelation therapy. Cardiomyopathy due to […]