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Tobi, Martin; Antaki, Fadi; Rambus, Mary Ann; Yang, Yu-Xiao; Kaplan, David; Rodriguez, Rebecca; Maliakkal, Benedict; Majumdar, Adhip; Demian, Ereny; Tobi, Yosef Y; Sochacki, Paula; Ehrinpreis, Murray; Lawson, Michael G; McVicker, Benita
International journal of molecular sciences, 2023-Dec-08, Letnik: 24, Številka: 24Journal Article
Given the need to improve the sensitivity of non-invasive methods to detect colorectal neoplasia, particularly adenomas, we compared a fecal test using a monoclonal antibody (Mab) raised against constituents of colonic adenomas designated Adnab-9 (Adenoma Antibody 9), recognizing an N-linked 87 kDa glycoprotein, to gFOBT, which is shown to reduce CRC mortality. p87 immunohistochemistry testing is significantly more sensitive (OR 3.64CI 2.37-5.58) than gFOBT (guaiac-based fecal occult blood test) for adenomas (<3 in number), advanced adenomas (OR 4.21CI 2.47-7.15), or a combination of the two (OR 3.35CI 2.47-4.53). p87 immunohistochemistry shows regional Paneth cell (PC) expression mainly in the right-sided colon and is significantly reduced in the ceca of African Americans ( < 0.0001). In a subset of patients, we obtained other body fluids such as urine, colonic effluent, and saliva. Urine tests (organ-specific neoantigen) showed a significant difference for advanced adenomas ( < 0.047). We conclude that fecal p87 testing is more sensitive than gFOBT and Adnab-9 and could be used to better direct the colonoscopy screening effort.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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