Prolidase deficiency

Definition:

Prolidase deficiency (PD) is a severe autosomal recessive disorder due to the lack of prolidase (EC:3.4.13.9), a peptidase with a preference for Xaa-Pro dipeptide substrates that participates in collagen metabolism and in the terminal degradation of endogenous and dietary proteins. It typically begins in childhood and common symptoms include chronic intractable skin ulcerations and mental retardation. Mutations in prolidase gene causing the reduction or the loss of prolidase activity are responsible for PD.

References:

[1]. A Lupi, et al. Human prolidase and prolidase deficiency: an overview on the characterization of the enzyme involved in proline recycling and on the effects of its mutations. Amino Acids. 2008 Nov;35(4):739-52. [Content Brief]

[2]. Simona Viglio, et al. The role of emerging techniques in the investigation of prolidase deficiency: from diagnosis to the development of a possible therapeutical approach. J Chromatogr B Analyt Technol Biomed Life Sci. 2006 Feb 17;832(1):1-8. [Content Brief]

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