Folia Medica Indonesiana
ISSN 0303-7932
Vol. 40 / No. 3 / Published : 2004-07
Order : 6, and page :90 - 98
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Original Article :
The effect of cellulose on apoptosis of colon epithelial cells of balb/c mice that induced by 9,10-dimethyl-1,2-benz(a)anthracene
Author :
- Gondo Mastutik *1
- Suhartono Taat Putra *2
- Soegeng Soekamto Martoprawiro*3
- Department of Anatomic Pathology Airlangga University School of Medicine
- Department of Anatomic Pathology Airlangga University School of Medicine
- Department of Anatomic Pathology Airlangga University School of Medicine
Abstract :
Incidence and death caused by cancer remains high. Epidemiological studies show that dietary fiber, including cellulose, may reduce the incidence of colon cancer. Cellulose is one of dietary fiber that can not be digested by digestive enzyme but can be fermented by colon microflora to produce butyrate, a short chain fatty acid (SCFA). Butyrate inhibits histone deacetylase (HDAC) enzyme and the process of apoptosis. However, the effect of cellulose on apoptosis of colon epithelial cells are not known. The aim of this study was to prove increasing the number apoptotic colon epithelial cells of BALB/C mice that were fed with cellulose and then were exposed to 9,10-dimethyl-1,2-benz(a) anthracene (DMBA).The design of this experiment was posttest only control group design. The male BALB/C mice of 12 weeks old with body weight of 30 - 40 grams were used in this experiment and were given feed containing 0% or 5% cellulose. Two weeks after cellulose administration the mice were exposed to DMBA and sacrificed 5 days later. The colon was removed and processed in the paraffin block, then was stained with TUNNEL (terminal deoxyuridine nucleotide end labeling) assay technique with apoptag detection kit. The data were analyzed by T-test. Results showed that there was difference (p < 0.05) between the number of apoptotic colon epithelial cells in mice fed with cellulose and those that were not fed with cellulose. The difference was marked by increasing the number of apoptotic colon epithelial cells in mice fed with cellulose. The conclusion of this experiment is that cellulose can increase the number of apoptotic colon epithelial cells of BALB/C mice that are exposed by DMBA. The effect of cellulose on colon carcinogenesis presents as the increasing number of apoptotic colon epithelial cells that are exposed by DMBA.
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References :
Brody T,(1994) Nutritional Biochemistry Sandiego : Academic Press
Cotran RS, Kumar V, Collins T,(1999) Robbins Pathologic Basic of Disease, 9th ed Philadelphia : WB Saunders Company
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