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Sequential Combination of Serum Pyruvate Kinase Isoenzyme M2 and Colonoscopy-A Promising Screening Protocol for Colorectal Cancer Early Diagnosis | OMICS International | Abstract
ISSN: 2155-6210

Journal of Biosensors & Bioelectronics
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Review Article

Sequential Combination of Serum Pyruvate Kinase Isoenzyme M2 and Colonoscopy-A Promising Screening Protocol for Colorectal Cancer Early Diagnosis

Hong-Hong Zhu1,2* and Shu Zheng3*

1Department of Health Administration, Public Health and Gerontology, School of Public Service Leadership, Capella University, Minneapolis, MN, USA

2Division of Epidemiology, Department of Community Health, Saint Louis University School of Public Health, 3545 Lafayette Ave., St Louis, MO 63104, USA

3Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Science, Zhejiang province, China), 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310009, P.R. China

*Corresponding Author:
Shu Zheng
Former President of Zhejiang Medical University
Zhejiang University Cancer Institute, 88 Jiefang Rd
Hangzhou, 310009 P.R. China
E-mail: [email protected]

Hong-Hong Zhu
Department of Community Health
Saint Louis University, 3545 Lafayette Ave
St Louis, MO 63123, USA
E-mail: [email protected]

Received Date: September 13, 2011; Accepted Date: December 07, 2011; Published Date: December 10, 2011

Citation:Zhu H, Zheng S (2011) Sequential Combination of Serum Pyruvate Kinase Isoenzyme M2 and Colonoscopy-A Promising Screening Protocol for Colorectal Cancer Early Diagnosi J Biosens Bioelectron S2:002. doi: 10.4172/2155-6210.S2-002

Copyright: © 2011 Zhu H. 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.


Background: Early diagnosis and treatment through mass screening is practical against colorectal cancer (CRC). Low compliance for current screening tests affects the effectiveness of CRC mass screening. An efficient screening protocol with high compliance is needed for CRC mass screening.
Methods: Systematic searches were done through Medline and Cochrane Library databases - initial Medline searches were in February 2010 and additional searches in March/April 2010. Search terms included [(“Colorectal cancer” AND “screening program” AND “incidence”) OR (“Colorectal cancer” AND “screening program” AND “mortality”)] AND [“fecal occult blood test” OR “sigmoidoscopy” OR “colonoscopy” OR “Double-contrast barium enema”].
Results: This review explored the current CRC mass screening protocols to find a more efficient and practical mass screening protocol and problems suitable for further research. Considering the current economic crisis and limited available resources, combination of high risk factor questionnaire and immunochemical fecal occult blood test approach as primary CRC mass screening can currently be used as a risk stratification tool to identify high-risk populations from the community, especially for medically and economically underserved areas/countries before a new better test comes. Using serum Pyruvate Kinase Isoenzyme M2 (M2-PK) as primary and colonoscopy as secondary screening test sounds more efficient with higher compliance than current CRC mass screening protocols.
Conclusion: Recommendations for CRC mass screening are suggested for each risk population based on risk stratification. Serum M2-PK- may be developed as a promising CRC primary mass screening test. Sequential combination of serum biomarker such as Pyruvate Kinase Isoenzyme M2 (M2-PK) and colonoscopy can be a promising CRC mass screening protocol.


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