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Title: Differential expression of adenosine A1 receptors in colorectal cancer and related mucosa
Authors: Khoo, H.-E. 
Ho, C.-L.
Chhatwal, V.J.S.
Chan, S.T.F. 
Ngoi, S.-S. 
Moochhala, S.M. 
Keywords: Adenosine receptor
Colorectal cancer
Reverse transcription-polymerase chain reaction
Issue Date: 23-Aug-1996
Citation: Khoo, H.-E., Ho, C.-L., Chhatwal, V.J.S., Chan, S.T.F., Ngoi, S.-S., Moochhala, S.M. (1996-08-23). Differential expression of adenosine A1 receptors in colorectal cancer and related mucosa. Cancer Letters 106 (1) : 17-21. ScholarBank@NUS Repository.
Abstract: Adenosine A1 receptors (A1R) are known to inhibit while the A2 receptors (A2R) stimulate the G-protein cAMP second messenger system and may play a role in cell growth and carcinogenesis. Using a quantitative reverse transcription-polymerase chain reaction (RT-PCR) method, mRNA for A1R and A2R was measured in human colorectal adenocarcinomas and individual peritumoural colon tissues. There was differential expression of the mRNA for A1R with tumour tissues having significantly higher amounts compared to peritumoural normal tissues. The mRNA for A2R was not found to be differentially expressed. The increase in the inhibitory A1 receptor in tumour tissues may be in response to increased adenosine release from the hypoxic cells found in malignant tumour tissues, thus indicating a possible role for the adenosine A1 receptor in carcinogenesis.
Source Title: Cancer Letters
ISSN: 03043835
DOI: 10.1016/0304-3835(96)04289-9
Appears in Collections:Staff Publications

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