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Full-Text Articles in Medicine and Health Sciences

The Role Of Streptococcus Gallolyticus Subspecies Gallolyticus In Colon Cancer Development, Jennifer L. Herold Dec 2016

The Role Of Streptococcus Gallolyticus Subspecies Gallolyticus In Colon Cancer Development, Jennifer L. Herold

Dissertations & Theses (Open Access)

Colorectal cancer (CRC) is the third most common cancer in men and women and is also the third most common cause of cancer death. A large body of evidence points towards the possibility that bacteria can have a significant impact on the development of cancer. It has been suggested that Streptococcus gallolyticus subsp. gallolyticus, a group D streptococci, may play a role in the development of CRC. Sg, formerly S. bovis biotype I, has been shown to be highly associated with CRC. In observing patients with either Sg bacteremia or endocarditis it was found that 25-80% of …


Sporadic Early Onset Colorectal Cancer In Pakistan: A Case- Control Analysis Of Microsatellite Instability, Sabeehuddin Siddique, Kanwal Tariq, Sobia Rafiq, Ahmed Raheem, Rashida Ahmed, Munira Shabbir-Moosajee, Kulsoom Ghias Jan 2016

Sporadic Early Onset Colorectal Cancer In Pakistan: A Case- Control Analysis Of Microsatellite Instability, Sabeehuddin Siddique, Kanwal Tariq, Sobia Rafiq, Ahmed Raheem, Rashida Ahmed, Munira Shabbir-Moosajee, Kulsoom Ghias

Department of Pathology and Laboratory Medicine

Background: Early onset sporadic colorectal cancer (CRC) is a biologically and clinically distinct entity hypothesized to exhibit differences in histological features and microsatellite instability (MSI) as compared to typical onset CRC. This study compared the MSI status, mismatch repair enzyme deficiency and clinicopathological features of early onset (aged ≤45 years) with controls (>45 years).
Materials and Methods: A total of 30 cases and 30 controls were analyzed for MSI status using the Bethesda marker panel. Using antibodies against hMLH1, hMSH2 and hMSH6, mismatch repair protein expression was assessed by immunohistochemistry. Molecular characteristics were correlated with clinicopathological features.
Results: …