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Lerut J. Liver transplantation and liver resection as alternative treatments for primary hepatobiliary and secondary liver tumors: Competitors or allies? Hepatobiliary Pancreat Dis Int 2024; 23:111-116. [PMID: 38195351 DOI: 10.1016/j.hbpd.2023.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 12/28/2023] [Indexed: 01/11/2024]
Affiliation(s)
- Jan Lerut
- Institute for Experimental and Clinical Research (IREC), Université catholique Louvain (UCL), Avenue Hippocrate 56, 1200 Woluwe Saint Pierre, Brussels, Belgium.
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Sola-Leyva A, Pérez-Prieto I, Molina NM, Vargas E, Ruiz-Durán S, Leonés-Baños I, Canha-Gouveia A, Altmäe S. Microbial composition across body sites in polycystic ovary syndrome: a systematic review and meta-analysis. Reprod Biomed Online 2023; 47:129-150. [PMID: 37208218 DOI: 10.1016/j.rbmo.2023.03.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 03/19/2023] [Accepted: 03/21/2023] [Indexed: 04/03/2023]
Abstract
Polycystic ovary syndrome (PCOS) is an endocrine disorder affecting reproductive-aged women, but the cause remains unclear. Recent evidence has linked microbial composition with PCOS; however, the results are inconsistent. The aim of this systematic review was to gather current knowledge of the microbes across body sites (oral cavity, blood, vagina/cervix, gut) in women with PCOS, and meta-analyse the microbial diversity in PCOS. For this purpose, a systematic search using PubMed, Web of Science, Cochrane and Scopus was carried out. After selection, 34 studies met the inclusion criteria. Most of the studies associated changes in the microbiome with PCOS, whereas heterogeneity of the studies in terms of ethnicity, body mass index (BMI) and methodology, among other confounders, made it difficult to corroborate this relationship. In fact, 19 out of 34 of the studies were categorised as having high risk of bias when the quality assessment was conducted. Our meta-analysis on the gut microbiome of 14 studies demonstrated that women with PCOS possess significantly lower microbial alpha diversity compared with controls (SMD = -0.204; 95% CI -0.360 to -0.048; P = 0.010; I2 = 5.508, by Shannon Index), which may contribute to the development of PCOS. Nevertheless, future studies should specifically overcome the shortcomings of the current studies by through well planned and conducted studies with larger sample sizes, proper negative and positive controls and adequate case-control matching.
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Affiliation(s)
- Alberto Sola-Leyva
- Department of Biochemistry and Molecular Biology, Faculty of Sciences, University of Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
| | - Inmaculada Pérez-Prieto
- Department of Biochemistry and Molecular Biology, Faculty of Sciences, University of Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
| | - Nerea M Molina
- Department of Biochemistry and Molecular Biology, Faculty of Sciences, University of Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
| | - Eva Vargas
- Department of Biochemistry and Molecular Biology, Faculty of Sciences, University of Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain; Systems Biology Unit, Department of Experimental Biology, Faculty of Experimental Sciences, University of Jaén, Jaén, Spain
| | - Susana Ruiz-Durán
- Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain; UGC Obstetricia y Ginecología. HU Virgen de las Nieves, Granada, Spain
| | - Irene Leonés-Baños
- Department of Biochemistry and Molecular Biology, Faculty of Sciences, University of Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
| | - Analuce Canha-Gouveia
- Department of Biochemistry and Molecular Biology, Faculty of Sciences, University of Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain; Department of Physiology, Faculty of Veterinary, University of Murcia, Campus Mare Nostrum, IMIB-Arrixaca, 30100 Murcia, Spain
| | - Signe Altmäe
- Department of Biochemistry and Molecular Biology, Faculty of Sciences, University of Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain; Division of Obstetrics and Gynaecology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institute and Karolinska University Hospital, Stockholm, Sweden.
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