Abstract
Proline-directed protein kinase FA (PDPK FA) was originally identified as a phosphatase activating factor (FA) but has subsequently been characterized as a multisubstrate / multifunctional PDPK possibly associated with human cancers. In recent years, the immunohistochemical study revealed that PDPK FA was highly expressed in tumor mass and preferentially overexpressed in the invasive lesions of the resected tissue sections obtained from various types of cancer patients. The clinicopathologic study further revealed a close correlation of the overexpression of PDPK FA with poor prognosis of the cancer patients. The antisense gene therapy study also confirmed that due to its multisubstrate / multifunctional PDPK nature, the overexpression of PDPK FA is essential for the development of malignant growth, tumorigenesis, invasion, metastasis, antidifferentiation, anti-apoptosis and chemoresistance in human cancers. From immunohistochemical, clinicopathologic and antisense gene therapeutic studies combined together, PDPK FA has emerged as a key regulator of all aspects of neoplasia. In this way, nature provides prima facie evidence of a particular protein kinases pivotal importance to the neoplastic state. PDPK FA therefore represents a newly-described, previously-undiscovered novel signal transducing target for diagnosis, disease monitoring, drug screening and therapy of human cancers.
Keywords: tumorigenesis, invasion, metastasis, apoptosis, differentiation, chemoresistance
Current Cancer Drug Targets
Title: Proline-Directed Protein Kinase FA as a Potential Target for Diagnosis and Therapy of Human Cancers
Volume: 4 Issue: 7
Author(s): Shiaw-Der Yang
Affiliation:
Keywords: tumorigenesis, invasion, metastasis, apoptosis, differentiation, chemoresistance
Abstract: Proline-directed protein kinase FA (PDPK FA) was originally identified as a phosphatase activating factor (FA) but has subsequently been characterized as a multisubstrate / multifunctional PDPK possibly associated with human cancers. In recent years, the immunohistochemical study revealed that PDPK FA was highly expressed in tumor mass and preferentially overexpressed in the invasive lesions of the resected tissue sections obtained from various types of cancer patients. The clinicopathologic study further revealed a close correlation of the overexpression of PDPK FA with poor prognosis of the cancer patients. The antisense gene therapy study also confirmed that due to its multisubstrate / multifunctional PDPK nature, the overexpression of PDPK FA is essential for the development of malignant growth, tumorigenesis, invasion, metastasis, antidifferentiation, anti-apoptosis and chemoresistance in human cancers. From immunohistochemical, clinicopathologic and antisense gene therapeutic studies combined together, PDPK FA has emerged as a key regulator of all aspects of neoplasia. In this way, nature provides prima facie evidence of a particular protein kinases pivotal importance to the neoplastic state. PDPK FA therefore represents a newly-described, previously-undiscovered novel signal transducing target for diagnosis, disease monitoring, drug screening and therapy of human cancers.
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Cite this article as:
Yang Shiaw-Der, Proline-Directed Protein Kinase FA as a Potential Target for Diagnosis and Therapy of Human Cancers, Current Cancer Drug Targets 2004; 4 (7) . https://dx.doi.org/10.2174/1568009043332817
DOI https://dx.doi.org/10.2174/1568009043332817 |
Print ISSN 1568-0096 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-5576 |
Call for Papers in Thematic Issues
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