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Overview

Basic Info

Drug Type

Synthetic peptide

Synonyms-

Target

PRDX5

Action

modulators

Mechanism

PRDX5 modulators(peroxiredoxin 5 modulators)

Therapeutic Areas

Neoplasms

Active Indication

Neoplasms

Inactive Indication-

Originator Organization

Institute of Pharmaceutical Biotechnology, Chinese Academy of Medical Sciences

Active Organization

Institute of Pharmaceutical Biotechnology, Chinese Academy of Medical Sciences

Inactive Organization-

Drug Highest PhasePreclinical

First Approval Date-

Regulation-

AbstractThe peroxiredoxin 5 (PRDX5) is a member of peroxiredoxins with antitumor activity. However, as a recombinant protein, PRDX5 is restricted in clinic due to high cost and keeping high dose in medication. The alternative way is to explore the antitumor active fragments of PRDX5 for potential of peptide drugs. According to the sequence, crystal structure and enzyme function of PRDX5, seven peptides were designed and named as IMB‐P1∼7. The peptide IMB‐P1 (AFTPGCSKTHLPGFVEQAEAL) containing critical residue C47 exhibited antitumor activity similar to PRDX5 in vivo. Transcriptome analysis showed peptide IMB‐P1 could make influence on expression of multiple genes involved in tumorigenesis and deterioration. Besides, an important discovery is the down‐regulation of oxidation‐related genes. In CT26 cells, IMB‐P1 carried similar antitumor activity with increasing ROS level to intact PRDX5. The results demonstrated that peptide IMB‐P1 with easier synthesis from PRDX5 may serve as a promising antitumor candidate.

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R&D Status

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Indication	Highest Phase	Country/Location	Organization	Date
Neoplasms	Preclinical	China	Institute of Pharmaceutical Biotechnology, Chinese Academy of Medical Sciences	06 Sep 2021

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Biosimilar

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