Clinical Research Directory

Regenerative Effects of Birth Material Derived Extracellular Vesicles

Sponsor: University of Aberdeen

Summary

Stem cells offer great hope for a wide range of disorders, including age-related brain disease such as dementia. Mesenchymal stem cells (MSCs) are special types of adult stem cells found in various tissues like the umbilical cord, placenta and bone marrow. These cells can develop into different cell types, such as bone, cartilage, muscle, and neurones. They can promote healing, regulate the immune system and repair damaged tissues. Extracellular vesicles (EVs) are tiny, bubble-like structures released by MSCs, which help communication between tissues and organs by delivering specific instructions and regenerative substances. Therefore, MSC-EVs are thought to be responsible for many of beneficial effects. Recent evidence suggests that specific properties of EVs depend on where the MSCs come from, how old the donor was, and the environment/conditions they are in. To better understand the best source of MSC-EVs for treating age-related brain diseases, the investigators here plan to use placenta, amniotic fluid, and umbilical cord tissues of consenting mothers, who are undergoing an elective Caesarean section. Such birth tissues are rich sources of stem cells and would normally be disposed off. The investigators will here extract and analyse EVs and seek to identify the most effective ones for regenerating aged or damaged brain cells. Once the investigators identify the best source, they will seek to stabilise ("immortalize") the stem cells so that they offer a consistent source of effective MSC-EVs. Additionally, the investigators aim to modify MSCs genetically or via exposure to regenerative compounds to enhance their therapeutic properties. Promising MSC-EVs will be tested on cell culture models of brain aging and disease to validate if they can repair damage or aid recovery. Overall, the project aims to explore sources and properties of MSC-EVs that may offer new therapeutic ways to treat brain diseases.

Official title: Regenerative Effects of Young Immortalized and Engineered MSC-Derived EVs on Aging and Senescent Brain Models

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