Episode 165. Regenerative Medicine using stem cells with Dr Jeffrey Gross
As a background to this podcast, the field of regenerative medicine has been gaining significant attention with the objective of restoring damaged tissues using biological products and influencing age-related decay.
The use of pluripotent stem cells has been extensively studied, aiming to nurture their undifferentiated state into specific cell types that align with the target tissues requiring repair. Another promising avenue in regenerative medicine is the application of exosomes.
Exosomes are nano-sized biovesicles released by all nucleated cells into surrounding body fluids upon fusion of intracellular multivesicular bodies with the plasma membrane. These small vesicles, measuring between 40 and 160 nanometers, were first identified in the late 1980s. Initially, they were considered cellular waste with little or no effect on neighboring cells. However, recent insights have revealed their crucial role in intercellular communication.
Exosomes carry a complex cargo of proteins, lipids, and nucleic acids, enabling them to deliver essential biological messages to target cells. This process can reprogram recipient cells remotely from their release and plays a major role in immune response, signal transduction, and antigen presentation. The cargo of exosomes may significantly differ depending on the function of the originating cell type and its physiological state, including states of transformation, differentiation, stimulation, or stress.
A current line of study aims to determine whether active exosome cargo can offer prognostic information on diseases such as chronic inflammation, cardiovascular and renal disease, neurodegenerative disorders, lipid metabolic diseases, and tumors. Additionally, due to their non-immunogenic nature, exosomes are being explored for their potential in delivering biological therapeutics across various biological barriers, including the blood-brain barrier.
To learn more about regenerative medicine, stem cell therapies, and the emerging role of exosomes, we welcome Dr. Jeffrey Gross. Dr. Gross is a leading expert in regenerative medicine, specializing in the application of stem cells and exosomes to support tissue repair and combat age-related degeneration. In this episode, he shares his insights on how these innovative therapies are shaping the future of medicine and what we can expect in the years to come.
References:
Dr. Jeffrey Gross - [Insert Contact Information or Website]
National Institute of Health: www.nih.gov
WebMD: www.webmd.com
Meldolesi J. Exosomes and Their Role in Tumor Progression. Cell Mol Life Sci. 2018;75(8):1339-1350.
Thery C, Witwer KW, Aikawa E, et al. Minimal Information for Studies of Extracellular Vesicles 2018 (MISEV2018). J Extracell Vesicles. 2018;7(1):1535750.