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Somatostatin receptor distribution and function in immune system.

D Ferone¹, P M van Hagen, C Semino

¹Department of Endocrinological and Metabolic Sciences (Di.S.E.M.), University of Genova, Viale Benedetto XV 6, Genoa 16132, Italy. ferone@unige.it

Digestive and Liver Disease : Official Journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver

|April 14, 2004

Summary

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Somatostatin and cortistatin modulate the immune system. Their receptor distribution on immune cells influences these effects, acting through autocrine and paracrine signaling pathways.

Area of Science:

Immunology
Neuroendocrinology

Background:

Somatostatin and cortistatin are neuropeptides with significant immunomodulatory roles.
The diverse effects of somatostatin on immune cells are linked to somatostatin receptor distribution.

Purpose of the Study:

To review the mechanisms of action of somatostatin and cortistatin on immune cells.
To discuss the expression and distribution of somatostatin receptors in the immune system.

Main Methods:

Literature review of somatostatin and cortistatin actions on immune cells.
Analysis of somatostatin receptor subtype expression in immune cell lines and lymphoid organs.

Main Results:

Somatostatin receptor subtypes are differentially expressed on immune cell subsets.

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Receptor expression is dynamically regulated by immune cell trafficking and tissue homing.

Somatostatin exerts its effects via autocrine and paracrine signaling.

Conclusions:

Somatostatin and cortistatin play crucial roles in immune system regulation.
Understanding somatostatin receptor distribution is key to explaining their varied effects on immunocytes.
These peptides and their analogs have potential therapeutic applications in immune system modulation.