title: The aberrant expression of cytosolic carbonic anhydrase and its clinical significance in human non-small cell lung cancer.
abstract: This study was designed to elucidate the possible relationship between the expression of cytosolic carbonic anhydrase (CA) and non-small cell lung cancer (NSCLC). The activity and protein expression patterns of carbonic anhydrase I (CAI) and II (CAII) of 70 NSCLC patients were analyzed by CA activity analysis, immunoblotting and immunohistochemical staining. The results showed that the CA activity and protein expression were significantly decreased in both squamous cell carcinoma (SCC) and adenocarcinoma (AD) (P<0.001 and P<0.001). From our study, it was suggested that the reduction of CAI and CAII in both SCC and AD patients may promote tumor cell motility and contribute to tumor growth and metastasis.
authors.affiliation: School of Medical Technology, Chung Shan Medical University, No 110, Section 1, Chien Kuo N. Road, Taichung 402, Taiwan.
authors.forename: Whei Ling
authors.initials: WL
authors.lastname: Chiang
authors.forename: Shu Chen
authors.initials: SC
authors.lastname: Chu
authors.forename: Shyh Sheng
authors.initials: SS
authors.lastname: Yang
authors.forename: Mu Chun
authors.initials: MC
authors.lastname: Li
authors.forename: Jyh Chang
authors.initials: JC
authors.lastname: Lai
authors.forename: Shun Fa
authors.initials: SF
authors.lastname: Yang
authors.forename: Hui Ling
authors.initials: HL
authors.lastname: Chiou
authors.forename: Yih Shou
authors.initials: YS
authors.lastname: Hsieh
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D014408:Biomarkers, Tumor / Q000378:metabolism*; D024401:Carbonic Anhydrase I / Q000378:metabolism*; D024402:Carbonic Anhydrase II / Q000378:metabolism*; D002289:Carcinoma, Non-Small-Cell Lung / Q000201:enzymology* / Q000601:surgery; D003600:Cytosol; D015536:Down-Regulation; D005260:Female; D006801:Humans; D015151:Immunoblotting; D007124:Immunoenzyme Techniques; D008175:Lung Neoplasms / Q000201:enzymology* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D011379:Prognosis
chemical_list: D014408:Biomarkers, Tumor; D024401:Carbonic Anhydrase I; D024402:Carbonic Anhydrase II