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Current Protein & Peptide Science

Editor-in-Chief

ISSN (Print): 1389-2037
ISSN (Online): 1875-5550

Hydroxyproline: A Potential Biochemical Marker and Its Role in the Pathogenesis of Different Diseases

Author(s): Amit Kumar Srivastava, Piush Khare, Hemant Kumar Nagar, Navdeep Raghuwanshi and Rajnish Srivastava

Volume 17, Issue 6, 2016

Page: [596 - 602] Pages: 7

DOI: 10.2174/1389203717666151201192247

Price: $65

Abstract

Hydroxyproline is a non-essential amino acid found in collagen and few other extracellular animal proteins. It’s two isomeric forms trans-4-hydroxy-L-proline and trans-3-hydroxy-L-proline play a crucial role in collagen synthesis and thermodynamic stability of the triple-helical conformation of collagen and associated tissues. Various abnormalities in hydroxyproline metabolism have been shown to play key roles in the pathophysiology and pathogenesis of different diseases. The elevated level of hydroxyproline is observed in several disorders, e.g., graft versus host disease, keloids, and vitiligo while its decreased level is a marker of poor wound-healing. This review explores the potential of using hydroxyproline as a biochemical marker to understand the pathogenesis, molecular pathophysiology and treatment of these diseases. The review concludes with an outlook on the scope and challenges in the clinical implementation of hydroxyproline as a biomarker.

Keywords: Hydroxyproline, collagen, biomarker, biomedical research, prolyl-4-hydroxylase.


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