Blastocystis and Clostridioides difficile: Evidence for a Synergistic Role in Colonization Among IBD Patients with Emphasis on Ulcerative Colitis.
Adolescent
Adult
Blastocystis
/ genetics
Blastocystis Infections
/ epidemiology
Child
Clostridioides difficile
/ genetics
Colitis, Ulcerative
/ epidemiology
Feces
/ microbiology
Female
Humans
Inflammatory Bowel Diseases
/ epidemiology
Iran
/ epidemiology
Male
Middle Aged
Polymerase Chain Reaction
Prevalence
Young Adult
Journal
The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology
ISSN: 2148-5607
Titre abrégé: Turk J Gastroenterol
Pays: Turkey
ID NLM: 9515841
Informations de publication
Date de publication:
06 2021
06 2021
Historique:
entrez:
18
8
2021
pubmed:
19
8
2021
medline:
15
12
2021
Statut:
ppublish
Résumé
Regarding the controversial role of Blastocystis in inflammatory bowel diseases (IBD) patients, it seems that this protozoan may lead to an overgrowth of some non-beneficial bacteria. The current study aimed to investigate the co-existence of Blastocystis and Clostridioides difficile in IBD patients. Stool samples of 102 IBD patients were collected and cultivated for C. difficile and Blastocystis. DNA extraction was performed on positive samples and C. difficile and Blastocystis were toxinotyped and subtyped, respectively. Fisher's exact test and logistic regression were employed to calculate the correlation between the existence of Blastocystis and its subtypes (ST) with C. difficile and its type of toxins. Also, the co-existence of Blastocystis and C. difficile with the frequency of defecations was evaluated. Blastocystis and C. difficile were observed in 17 (16.7%) and 26 (25.5%) of stool samples, respectively. From 26 C. difficilepositive isolates, 24 (92.3%) and 2 (7.7%) were tcdA+/B+ and tcdA+/B-, respectively. Also, 10 (58.8%) and 7 (41.2%) were Blastocystis ST1 and ST3, respectively. Statistically significant correlations between co-existence of Blastocystis and C. difficile and co-existence of these microorganisms and frequency of defecation (P < .035) were seen. There was no statistically significant correlation between subtypes of Blastocystis and colonization of C. difficile or its toxinotypes. The co-existence of Blastocystis and C. difficile in IBD patients was observed in the current study. Moreover, it can be proposed that these microorganisms may have synergistic effects on their colonization in the gastrointestinal tract.
Sections du résumé
BACKGROUND
Regarding the controversial role of Blastocystis in inflammatory bowel diseases (IBD) patients, it seems that this protozoan may lead to an overgrowth of some non-beneficial bacteria. The current study aimed to investigate the co-existence of Blastocystis and Clostridioides difficile in IBD patients.
METHODS
Stool samples of 102 IBD patients were collected and cultivated for C. difficile and Blastocystis. DNA extraction was performed on positive samples and C. difficile and Blastocystis were toxinotyped and subtyped, respectively. Fisher's exact test and logistic regression were employed to calculate the correlation between the existence of Blastocystis and its subtypes (ST) with C. difficile and its type of toxins. Also, the co-existence of Blastocystis and C. difficile with the frequency of defecations was evaluated.
RESULTS
Blastocystis and C. difficile were observed in 17 (16.7%) and 26 (25.5%) of stool samples, respectively. From 26 C. difficilepositive isolates, 24 (92.3%) and 2 (7.7%) were tcdA+/B+ and tcdA+/B-, respectively. Also, 10 (58.8%) and 7 (41.2%) were Blastocystis ST1 and ST3, respectively. Statistically significant correlations between co-existence of Blastocystis and C. difficile and co-existence of these microorganisms and frequency of defecation (P < .035) were seen. There was no statistically significant correlation between subtypes of Blastocystis and colonization of C. difficile or its toxinotypes.
CONCLUSION
The co-existence of Blastocystis and C. difficile in IBD patients was observed in the current study. Moreover, it can be proposed that these microorganisms may have synergistic effects on their colonization in the gastrointestinal tract.
Identifiants
pubmed: 34405816
doi: 10.5152/tjg.2021.19644
pmc: PMC8975301
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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