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. 2021 Aug;24(4):600-610.
doi: 10.1007/s11102-021-01137-4. Epub 2021 Mar 15.

Gut microbiota in patients with newly diagnosed acromegaly: a pilot cross-sectional study

Aysa Hacioglu  1 , Aycan Gundogdu  2   3 , Ufuk Nalbantoglu  3   4 , Zuleyha Karaca  1 , Muhammed Emre Urhan  1 , Serdar Sahin  5 , Hatice Sebile Dokmetas  6 , Pinar Kadioglu  5 , Fahrettin Kelestimur  7 ; Pituitary Microbiom Study Group (PITMIT-SG)
Affiliations

Gut microbiota in patients with newly diagnosed acromegaly: a pilot cross-sectional study

Aysa Hacioglu et al. Pituitary. 2021 Aug.

Abstract

Purpose: Microbiota has crucial biological importance for human well-being. Bidirectional interaction exists between microbiota and the host, and there have been no studies investigating this interaction in patients with acromegaly. We aimed to analyze the composition of microbiota in patients with newly diagnosed acromegaly.

Method: Stool samples were obtained from the patients with newly diagnosed acromegaly in the Endocrinology Clinic of Erciyes University Medical School. The composition of microbiota was analyzed, and the results were compared to healthy volunteers matched to the patients in terms of age, gender and body mass index.

Results: Seven patients (three male, four female) with a mean age of 48 ± 17.6 years were included in the study. The stool analysis revealed a significantly lower bacterial diversity in the patients with acromegaly. Bacteroidetes phylum was predominating in the patient group, and Firmicutes/Bacteroidetes ratio was altered significantly. Bifidobacterium, Collinsella, Bacteroides, Butyricimonas, Clostridium, Oscillospira, and Dialister were predominating in the control group.

Conclusion: The gut microbiota is significantly altered in patients with newly diagnosed acromegaly. Further prospective studies are needed to elucidate the causative relationship between acromegaly, colorectal pathologies, and microbial alterations.

Keywords: Acromegaly; Bacteroides; Growth hormone; Gut microbiota; Insulin like growth factor-1; Pituitary.

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