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Protein Tyrosine Phosphatase-Prospective Target against Cancer: A Mini Review | OMICS International | Abstract
ISSN: 2573-542X

Cancer Surgery
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Mini Review

Protein Tyrosine Phosphatase-Prospective Target against Cancer: A Mini Review

Kanagarethinam S, Pooja Mahapatra, Neetu Jabalia and Nidhee Chaudhary*

Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, India

*Corresponding Author:
Chaudhary N
Amity Institute of Biotechnology
Amity University, Noida 201313
Uttar Pradesh, India
Tel: +919899285614
E-mail: [email protected]

Received Date: March 10, 2017; Accepted Date: March 28, 2017; Published Date: March 31, 2017

Citation: Kanagarethinam S, Mahapatra P, Jabalia N, Chaudhary N (2017) Protein Tyrosine Phosphatase-Prospective Target against Cancer: A Mini Review. Cancer Surg 2: 113.

Copyright: © 2017 Kanagarethinam S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License; which permits unrestricted use; distribution; and reproduction in any medium; provided the original author and source are credited.


Contemporary quantum leap on functional characterization of Protein Tyrosine Phosphatase (PTP) superfamily provides an incipient perspective on regulating signal transduction. PTPs are required in the regulation of several cellular processes; especially under stressed and pathogenic conditions leading to sundry human diseases. Concrete inhibition of PTP by oxyanions and active-site directed inhibitors (alkylating agents) may provide implements for human disease treatment involving them. The physiological paramountcy for the advancement of Protein Tyrosine Phosphatase, Non-receptor Type 1 (PTP1B) -predicated therapeutics is a prominent target for diabetes and inordinate corpulence treatment. PTPs are exhilarating quarry for active-site-mediated inhibitors generation. There, proneness to oxidation often create problem on high throughput screens, further the propensity for highly charged potent inhibitors, like non-hydrolysable pTyr mimetics, test with reverence to bioavailability. Subsequent preliminary concerns about specificity and quandaries with deference to hydrophilicity of phosphormimetics, promising successes attained by structure-predicated drug design, mainly the one exploit identical surface topology circumventing the catalytic pocket of each PTP. In PTP1B, it was found that a particular pTyr binding site could be habituated to succeed highly concrete bidentate inhibitors that bind both sites. This conventional approach can avail us to target highly categorical and efficacious inhibitors. Tyrosine phosphorylation increases 1-2% of total protein phosphorylation in tumorigenic transformation or magnification factor simulation essential for a controlled cellular event. This event is controlled by two molecular switches of enzymes protein tyrosine kinase and protein tyrosine phosphatase. Eccentric tyrosine phosphorylation is considered as one of the hallmarks of cancer. PTP has been recommended as next generation drug targets and a sum of PTP have been embroiled in sundry human disease, like cancer. The catalytic mechanism of PTP was demystified by site-directed mutagenesis then kinetic analyses with structural information. They have loss/ gain of function in cancer signaling events leading to dearth of inhibitors to control gain of function including modification of loss of function of PTP cognate genes. This review is about the consequentiality of tyrosine phosphatase enzyme and its role in the mundane cellular event and how it modifies the active site to agonise substrate and alter its action ultimately leading to tumorigenesis.