The relationship between psoriasis and gut microbiota: a review of the literature
- Authors: Vasilieva V.P.1, Yenina D.S.2, Kapustina E.I.3, Kapko A.V.4, Cherkasova A.A.5, Raevsky K.P.6
-
Affiliations:
- St.Petersburg State Paediatric Medical University
- Санкт-Петербургский государственный педиатрический медицинский университет
- Pavlov First St. Petersburg State Medical University, Ministry of Health of the Russian Federation
- Private Institution Educational Organisation of Higher Education University ‘Reaviz’
- FGBU ‘Almazov NMIC’, Ministry of Health of Russia
- Faculty of Basic Medicine, Lomonosov Moscow State University
- Section: Reviews
- Submitted: 15.12.2024
- Accepted: 30.03.2025
- Published: 20.06.2025
- URL: https://medjrf.com/0869-2106/article/view/643065
- DOI: https://doi.org/10.17816/medjrf643065
- ID: 643065
Cite item
Abstract
Psoriasis is a systemic immuno-inflammatory disease affecting target organs and manifested mainly by defect formation on the skin due to hyperproliferation of keratinocytes. This disease can significantly reduce a person's quality of life. Psoriasis is widespread: according to literature data, it occurs in about 2% of the entire world population. The study of the pathogenesis of psoriasis and its effect on the body is an actual direction in dermatology. Numerous works of recent years reveal a certain correlation between psoriasis and inflammatory bowel diseases.
It has been found that in psoriasis there is a decrease in the qualitative and quantitative diversity of intestinal microflora and an increase in the number of opportunistic bacteria such as E.Coli, Helicobacter ssp., Mycobacterium spp. and Mycobacterium spp. in patients with psoriasis. Along with this, an increase in Firmicutes and a decrease in Bacteroides are found in psoriasis patients. A decrease in the number of Bacteroides leads to a reduced formation of butyrate, and butyrate in turn plays a role in the defence system of the intestinal epithelium. Altered gut microbiome may be the reason for the stimulation of autoimmune inflammation in psoriasis. Many studies also agree that the severe course of psoriasis increases the difference in the gut microbiome between the study and control groups. Gut dysbiosis may be a stimulus for psoriasis recurrence. Increased permeability of the intestinal epithelium favours the entry of more bacterial metabolites into the blood, which in turn aggravates the course of psoriasis.
Clinical observations confirm the improvement of psoriatic skin lesions after the use of antibiotics, probiotics or transplantation of faecal microbiota. A detailed study of the relationship between psoriasis and the gut microbiome may serve as a potential marker for the evaluation of therapy, improving its quality and the quality of life of patients with this pathology.
Full Text

About the authors
Valeria Pavlovna Vasilieva
St.Petersburg State Paediatric Medical University
Author for correspondence.
Email: valeriavas19@inbox.ru
ORCID iD: 0009-0006-9292-165X
student, St.Petersburg State Paediatric Medical University
Russian Federation, 194100, Russia, St.Petersburg, Litovskaya St., 2Daria Sergeevna Yenina
Санкт-Петербургский государственный педиатрический медицинский университет
Email: eninad1212@gmail.com
ORCID iD: 0009-0001-2224-2217
student
Russian Federation, 194100, Россия, Санкт-Петербург, ул.Литовская, д. 2Elizaveta Igorevna Kapustina
Pavlov First St. Petersburg State Medical University, Ministry of Health of the Russian Federation
Email: lizaogneva2002@gmail.com
ORCID iD: 0009-0008-3756-6768
student
Russian Federation, 197022, Russian Federation, St. Petersburg, 6-8, Lev Tolstoy St.Anastasia Viktorovna Kapko
Private Institution Educational Organisation of Higher Education University ‘Reaviz’
Email: kapkooo7@gmail.com
ORCID iD: 0009-0000-2021-1022
student
Russian Federation, 198099, Saint-Petersburg, Kalinina str. 8, cor. 2, lit. AAlexandra Alekseevna Cherkasova
FGBU ‘Almazov NMIC’, Ministry of Health of Russia
Email: alexandra_cher390@mail.ru
ORCID iD: 0009-0008-5166-2297
student
Russian Federation, 197341, Russia, Saint-Petersburg, Akkuratova str. 2Kirill Pavlovich Raevsky
Faculty of Basic Medicine, Lomonosov Moscow State University
Email: raevskiykirill17@gmail.com
ORCID iD: 0000-0002-9939-3443
SPIN-code: 9133-3802
postgraduate student, Department of Internal Medicine, Faculty of Basic Medicine
Russian Federation, 119991, Russian Federation, Moscow, Leninskie Gory, 1References
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