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Folia Microbiol (Praha). 2008;53(4):373-6. doi: 10.1007/s12223-008-0058-2. Epub 2008 Aug 31.

Antilaminaribioside and antichitobioside antibodies in inflammatory bowel disease.

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2nd Department of Medicine, Charles University in Prague, Hradec Králové, Czechia.


Testing antilaminaribioside (ALCA) and antichitobioside (ACCA) antibodies in 89 Crohn's disease (CD), 31 ulcerative colitis (UC) and 50 controls, mean values were 38.6 and 53.0 ELISA units for CD, 34.0 and 32.6 for UC, 34.5 and 36.4 for controls, respectively. There was no significant difference of ALCA values between CD and UC (p = 0.401), CD and control subjects (p = 0.698) or UC and controls (p = 0.898). ACCA were significantly higher in CD compared with UC (p = 0.011) but not with the controls (p = 0.095). No significant difference of ACCA values between UC and controls (p = 0.107) was found. ALCA and ACCA values significantly correlated in CD (r = 0.548, p < 10(-4)) and UC (r = 0.885, p < 10(-4)) but not in controls (r = 0.153, p = 0.287). The positive predictive value for CD was only 20 (ALCA) and 8 % (ACCA), the negative ones (to exclude CD) 25 (ALCA) and 86 % (ACCA). Small and/or large bowel involvement or disease type (i.e. stenosing, perforating or inflammatory) of CD did not differ in the two values. The idea that ALCA and ACCA may be useful either to differentiate between CD, UC and healthy subjects or to stratify CD was not confirmed.

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