Abstract
The aim of the study was to characterize and quantify tissue gene and protein expression of IL-27 in ulcerative colitis (UC) and Crohn’s disease (CD) patients. This is an observational and cross-sectional study. Fifty-four patients with IBD were studied: 27 active UC, 12 inactive UC, 10 active CD, and 5 inactive CD. All patients belonged to the Inflammatory Bowel Disease Clinic at the Instituto Nacional de Ciencias Médicas y Nutrición. We found that IL-27 gene expression was significantly higher in active UC versus inactive UC group (P = 0.015). The IL-27 mRNA expression was increased in patients with active CD compared with inactive CD disease (P = 0.035). The percentage of IL-27 immunoreactive cells was higher in active UC versus active CD patients and non-inflamed tissue controls. The IL-27 was significantly elevated in active UC and CD patients, and it was associated with disease severity.
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Abbreviations
- IBD:
-
Inflammatory bowel disease
- aUC:
-
Active ulcerative colitis
- aCD:
-
Active Crohn’s disease
- HD:
-
Healthy donors
- cDNA:
-
Complementary DNA
- dNTPs:
-
Deoxyribonucleotide triphosphate
- AP:
-
Alkaline phosphatase
- PCR:
-
Polymerase chain reaction
- RT:
-
Reverse transcription
- RT-PCR:
-
Real-time polymerase chain reaction
- SD:
-
Standard deviation
- SEM:
-
Standard error of the mean
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Acknowledgments
This work was supported by a research Grant of CONACYT (Mexico) No. 178925.
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The authors declare no commercial or financial conflict of interest.
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Janette Furuzawa Carballeda and Gabriela Fonseca Camarillo have contributed equally to this manuscript.
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Furuzawa Carballeda, J., Fonseca Camarillo, G. & Yamamoto-Furusho, J.K. Interleukin 27 is up-regulated in patients with active inflammatory bowel disease. Immunol Res 64, 901–907 (2016). https://doi.org/10.1007/s12026-016-8804-z
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DOI: https://doi.org/10.1007/s12026-016-8804-z