Scientists unlock sugar coating that could make stem cell therapy more reliable
Researchers have identified how sugar molecules on cell surfaces control whether stem cells transform into the specialized cells needed for regenerative medicine. The discovery could significantly boost the efficiency of stem cell treatments—a major barrier to making these therapies commercially viable and accessible to patients.
Originaltitel: Glycan Modifications as Regulators of Stem Cell Fate
<p>Simple Summary Stem cells represent hope for millions of patients seeking prompt recovery. Unfortunately, the process of converting stem cells into the target cells that will replace the failed or lost organ is still incompletely efficient. One of the underestimated factors that can affect this process is the complex sugar content on the cell surface or in the surrounding environment. In this article, we briefly reviewed the main types of sugars added to the surface of cell proteins, followed by a reflection on their role in stem cells at their original state and during their transformation to a specialized cell type, such as the cells of bones, heart, brain, etc. By the end, we explained different strategies that can be used to increase the efficiency of this process by adding certain types of sugars to the environment around the cells or a three-dimensional composite. Understanding the role of added sugars in the process of stem cell differentiation can provide another clue, ultimately advancing the field of regenerative medicine.Abstract Glycosylation is a process where proteins or lipids are modified with glycans. The presence of glycans determines the structure, stability, and localization of glycoproteins, thereby impacting various biological processes, including embryogenesis, intercellular communication, and disease progression. Glycans can influence stem cell behavior by modulating signaling molecules that govern the critical aspects of self-renewal and differentiation. Furthermore, being located at the cell surface, glycans are utilized as markers for stem cell pluripotency and differentiation state determination. This review aims to provide a comprehensive overview of the current literature, focusing on the effect of glycans on stem cells with a reflection on the application of synthetic glycans in directing stem cell differentiation. Additionally, this review will serve as a primer for researchers seeking a deeper understanding of how synthetic glycans can be used to control stem cell differentiation, which may help establish new approaches to guide stem cell differentiation into specific lineages. Ultimately, this knowledge can facilitate the identification of efficient strategies for advancing stem cell-based therapeutic interventions.</p>