CTGF mRNA and protein expressions were determined through RT-qPCR

CTGF mRNA and protein expressions were determined through RT-qPCR and western blotting in MIR375

precursor transfected HT-29 cells, respectively. Conclusion: The results showed a significant decrease of CTGF transcripts and protein expression levels in MIR375 precursor treated cells. These results suggest that miR375 could play an important role in the pathogenesis of colon cancer. Key Word(s): 1. microRNA; 2. CTGF; 3. MIR375; 4. colorectal cancer Rucaparib chemical structure Presenting Author: TZE WEI CHRISTOPHER CHIA Additional Authors: SASHA DEVI THURMURTHY, YUAN MAH YUN, KIT JUNE CHAN, STEPHEN KIN KWOK TSAO Corresponding Author: TZE WEI CHRISTOPHER CHIA Affiliations: University of Aberdeen, Monash University, University of Melbourne, Tan Tock Seng Hospital Objective: The current practice of routinely resecting JAK inhibitor all diminutive (1–5 mm) and small (6–9 mm) colonic polyps and submitting them for histopathologic assessment may not be cost-effective. The resect-and-discard (RD) strategy has been proposed to reduce retrieval of diminutive and small polyps for histology (thought not to have advanced histologic features). In this cross-sectional study, we aim to find the prevalence of small and diminutive polyps resected that shows advanced histologic features such as high grade dysplasia (HGD) or carcinoma and determine if RD policy is feasible

in the local tertiary setting. Methods: Data were retrieved from January-December 2009 with assistance from the Pathology Department to identify all submitted colonic polyp specimens. Each patient also had their colonoscopy report(s) and detailed histology report reviewed by 2 separate colleagues for data consistency. Results: The colonic distribution of the polyps was 45.4% right-sided, 46.1% left-sided and 8.5% rectal. There were 844 diminutive polyps, 447 small polyps and 191 large

polyps with proportion of HGD being 18.7%, 37.6% and 56.5%, respectively. The percentage of HGD present in these polyps was relatively high. There were no concurrent carcinomas this website seen in all polyps. Conclusion: These findings showed that a significant proportion of diminutive polyps (18.7%) and small polyps (37.6%) harboured features of HGD, which is much higher than current literature. Based on size alone without the aid of image enhanced endoscopy (IEE), we find that RD strategy is not readily applicable in our local setting. Key Word(s): 1. colonic polyps; 2. high grade dysplasia; 3. colorectal cancer; 4. resect and discard strategy; 5. image enhanced endoscopy Presenting Author: HYUN HO CHOI Additional Authors: HYUN HO CHOI, HYUNG KEUN KIM, SUNG SOO KIM, HIUN SUK CHAE, KYUNG JIN SEO Corresponding Author: YOUNG-SEOK CHO Affiliations: Seoul St. Mary’s Hospital, Uijeongbu St. Mary’s Hospital, Uijeongbu St. Mary’s Hospital, Uijeongbu St. Mary’s Hospital, Uijeongbu St.

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