Mesenchymal Stem Cell in Veterinary Sciences

Read Book : https://centerofsound.blogspot.com/?oak=9811560366

This book focuses on mesenchymal stem cells (MSCs) of animal origin, including their isolation, characterization, and clinical applications. After briefly discussing the historical development of the field of stem cell research, it describes the basic properties and nature of stem cells particularly in relation to MSCs. In turn, it reviews materials and methods used to isolate MSCs from various sources, culture expansion, characterization and long-term storage. It also explores the therapeutic efficacy, immunomodulation and anti-inflammatory, and differentiation properties of MSCs.Importantly, the book discusses the applications of genetic engineering to enhance the efficacy and potential of MSCs in regenerative medicine. The book largely addresses the potential applications of mesenchymal stem cells in therapies for important species of domesticated animals including sheep, go

PDF_  Mesenchymal Stem Cell in Veterinary Sciences

Mesenchymal Stem Cell in Veterinary Sciences

Read Book : https://centerofsound.blogspot.com/?oak=B08N4NPLM6

This book focuses on mesenchymal stem cells (MSCs) of animal origin, including their isolation, characterization, and clinical applications. After briefly discussing the historical development of the field of stem cell research, it describes the basic properties and nature of stem cells particularly in relation to MSCs. In turn, it reviews materials and methods used to isolate MSCs from various sources, culture expansion, characterization and long-term storage. It also explores the therapeutic efficacy, immunomodulation and anti-inflammatory, and differentiation properties of MSCs.Importantly, the book discusses the applications of genetic engineering to enhance the efficacy and potential of MSCs in regenerative medicine. The book largely addresses the potential applications of mesenchymal stem cells in therapies for important species of domesticated animals including sheep, go

PDF READ ONLINE] Mesenchymal Stem Cell in Veterinary Sciences

BUFFALO, NY — July 15, 2025 — A new #research paper was #published in Aging (Aging-US) Volume 17, Issue 6, on June 5, 2025, titled “Senescence caused by telomerase inactivation in myeloid, mesenchymal, and endothelial cells has distinct effects on cancer progression.”

In this study, first author Joseph Rupert, along with corresponding author Mikhail G. Kolonin and colleagues from The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, McGovern Medical School, at The University of Texas Health Sciences Center at Houston, investigated how aging-related changes in different cell types affect cancer progression. By turning off telomerase in specific cell populations in mice, the researchers discovered that cell aging, or senescence, can slow primary tumor growth but also trigger unexpected effects. This work sheds light on the complex relationship between aging cells and cancer and may help guide future anti-cancer strategies.

The team used genetically modified mice to deactivate telomerase, the enzyme that maintains chromosome ends, specifically in immune, connective tissue, and blood vessel cells. This caused these cells to enter a state of senescence, where they stop dividing and release inflammatory signals. The researchers then implanted breast, prostate, and pancreatic cancer cells into the mice and tracked how tumors developed. They found that when telomerase was inactivated in immune cells or connective tissue cells, tumors grew more slowly. However, these tumors showed signs of increased tissue damage and potential aggressiveness.

Interestingly, when telomerase was turned off in endothelial cells, which cover blood vessels, tumors shrank and became poorly supplied with blood, leading to oxygen deprivation. In the case of pancreatic cancer cells, this low-oxygen environment made them more likely to spread to the liver, highlighting a potential risk of targeting these cells.

“[…] this study shows that senescence and metabolic dysfunction resulting from telomerase inactivation in distinct cells in the tumor microenvironment have different effects on tumor growth and metastasizing of carcinomas.”

This research provides important insights into how aging cells within the tumor microenvironment (TME) influence cancer behavior. While senescence in certain cell types can help suppress tumor growth, it may also create conditions that favor cancer metastasis. These findings highlight the need to consider cell type-specific effects when developing therapies that target senescent cells. By mapping how different cell populations contribute to cancer progression in aging tissues, this study opens the door for more precise approaches to prevent both tumor growth and spread.

DOI - https://doi.org/10.18632/aging.206268

Corresponding author - Mikhail G. Kolonin - mikhail.g.kolonin@uth.tmc.edu

Video short - https://www.youtube.com/watch?v=py8wFKj7enE

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Keywords - aging, senescence, telomerase, myeloid, mesenchymal, endothelial

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How Telomerase Inactivation in Aging Cells Influences Cancer Growth and Metastasis

Aging-US is dedicated to advancing our understanding of the biological mechanisms that drive aging and the development of age-related diseases. Our mission is to serve as a platform for high-quality research that uncovers the cellular, molecular, and systemic processes underlying aging, and translates these insights into strategies to extend healthspan and delay the onset of chronic disease.

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