Therapeutic/Technology: Exploring stem cell mechanisms
Identification and characterization of human ES-derived DA neuronal subtypes
Parkinson’s disease (PD) is a neurodegenerative movement disorder that affects 1 in 100 people over the age of 60, one million people in the US and six million worldwide. Patients show a resting tremor, slowness of movement (bradykinesia), postural instability and rigidity. Parkinson’s disease results primarily from the loss of neurons deep in the middle […]
Molecular Characterization of hESC and hIPSC-Derived Spinal Motor Neurons
One of the main objectives of stem cell biology is to create physiologically relevant cell types that can be used to either facilitate the study of or directly treat human disease. Tremendous progress towards these goals has been made in the area of motor neuron disease and spinal cord injury through the findings that motor […]
Human Cardiovascular Progenitors, their Niches and Control of Self-renewal and Cell Fate
For the millions of Americans who are born with or develop heart disease, stem cell research offers the first hope of reversing or repairing heart muscle damage. Thus, early reports suggesting heart regeneration after transplantation of adult bone marrow-derived stem cells were met with great excitement in both the scientific and lay community. However, although […]
Defining the molecular mechanisms of somatic cell reprogramming
The development of methods to “reprogram” adult cells such as skin cells by simultaneously expressing four specific factors — Oct3/4, Sox2, c-Myc and Klf4 — in order to create cells resembling embryonic stem (ES) cells is a major breakthrough in stem cell biology. Our ability to generate these cells, which are known as induced pluripotent […]
Molecular Mechanisms of Reprogramming towards Pluripotency
Stem cell biology and its applications to cell-based therapies, since its inception 30 years ago, has been hindered by the immunological considerations of rejection of non-autologous cells in patients, as well as by ethical concerns. The generation of pluripotent cells from a patient’s own somatic cells has therefore been the holy grail of regenerative medicine. […]
Molecular Characterization and Functional Exploration of Hemogenic Endothelium
Hematopoietic cells are responsible for generating all cell types present in the blood and therefore critical for the provision of oxygen and nutrients to all the tissues in the body. Blood cells are also required for defense against microorganisms and even for the recognition and elimination of tumor cells. Because blood cells have a relatively […]
Utilizing Age-Specific Adipocyte Progenitor Cells for Cell Therapy in Older Patients
Research Objective A new type of APC serves older patients as 1) better MSC in immunomodulation (reducing inflammation) for autologous transplantation; 2) better source of somatic cells for generating heathier hiPSCs. Impact Bottlenecks: 1) Older patients suffer from sarcopenic obesity, which has no safe and effective treatment. 2) Cell therapy in older patients is often […]
Modeling and understanding alveolar hypoplasia in Down syndrome using iPSCs-derived alveolar type II cells
Research Objective Understanding alveolar progenitor cell defects in T21 and the genes/pathways associated with them will allow for developing therapeutic approaches for individuals with DS. Impact Although trisomy 21 affects multiple organ system, respiratory complications are the major cause of death in kids and adults with DS. The causes of lung disease in DS remain […]
An interactive data resource for hypothesis testing in stem cell single-cell gene expression and validation of the results with brain organoids
Research Objective We are building a "virtual molecular microscope" where anyone can quickly visualize a very recent, high-throughput molecular assay, single-cell RNA-seq and spatial gene expression studies Impact Currently, a lot of data has been published, hundreds of datasets on the cerebral cortex alone, but it takes hours to convert the datasets and look at […]
Ex vivo fate mapping of human lung stem cell plasticity in fibrotic disease
Research Objective This proposal will design new models to study behavior that is specific to human lung stem cells, and screen for drugs that can target abnormal stem cells in fibrotic disease. Impact This study will generate potential new therapeutic approaches to fibrotic lung diseases such as idiopathic pulmonary fibrosis. Major Proposed Activities Development of […]