Preimplantation Factor (PIF): a Peptide with Various Functions

Overview

Journal JBRA Assist Reprod

Specialty Reproductive Medicine

Date 2020 Mar 24

PMID 32202400

Citations 3

Authors

Fateme Zare

Seyed Mohammad Seifati

Mahdi Dehghan-Manshadi

Farzaneh Fesahat

Affiliations

Soon will be listed here.

Abstract

Preimplantation Factor (PIF) is a novel fifteen amino acid linear peptide (MVRIKPGSANKPSDD), which has different biological functions in mammalian species e.g. its role in neuron restoration, pregnancy and related disorders, and also in autoimmune diseases. Since all clinical studies have shown that PIF has both local and systemic effects, it can be considered as an integrated therapy for the treatment of inflammation conditions, along with the prevention of advanced disease. The synthetic PIF (sPIF) analog is a good representative of native PIF action, and it regulates peripheral immune cells to achieve endurance without immune suppression - an effective agent in nonpregnant autoimmune models. This study provides information, from evidence-based studies so far about PIF's different functional aspects.

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