Stem cell therapy protects against the side effects of cance
Immune checkpoint inhibitors are widely used to treat a variety of cancers; however, one serious side effect is the onset of type 1 diabetes. Now, researchers from Osaka University have discovered that stem cell therapy may protect against such side effects.

Researchers examined whether systemic MSC treatment could prevent the development of type 1 diabetes in a mouse model. First, we induced diabetes in the mice by administering a purified PD-L1 monoclonal antibody. Then, we injected human adipose-derived MSCs and analyzed immune cells in the pancreatic secretions. Inhibition of the PD-1/PD-L1 interaction with an anti-PD-L1 antibody resulted in a diabetes incidence of 64% among the mice, compared with 19% when the mice were also administered MSCs.

Inhibition of the PD-1/PD-L1 interaction causes various changes in the immune system -- most notably, the massive accumulation of immune cells (particularly macrophages) in the islets of Langerhans in the pancreas, disrupting insulin production.

Source: https://www.sciencedaily.com/releases/2022/05/220505085613.htm
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