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Yao H, Chen J, Wang Y, Li Y, Jiang Q. Assessing causal relationships between gut microbiota and abortion: evidence from two sample Mendelian randomization analysis. Front Endocrinol (Lausanne) 2024; 15:1415730. [PMID: 39050566 PMCID: PMC11266152 DOI: 10.3389/fendo.2024.1415730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Accepted: 06/26/2024] [Indexed: 07/27/2024] Open
Abstract
Background While some studies have suggested a link between gut microbiota (GM) and abortion, the causal relationship remains unclear. Methods To explore the causal relationship between GM and abortion, including spontaneous abortion (SA) and habitual abortion (HA), we performed a two-sample Mendelian randomization (MR) analysis. We used summary statistics data from MiBioGen and FinnGen for genome-wide association studies (GWAS), with GM data as the exposure variable and abortion data as the outcome variable. Results In the absence of heterogeneity and horizontal pleiotropy, the inverse-variance weighted (IVW) method identified five genetically predicted GM genera linked to the risk of abortions. Lactococcus was negatively correlated with the risk of SA, whereas the Eubacterium fissicatena group was positively correlated with the risk of SA. Genetic predictions of Coprococcus3 and Odoribacter were linked to a reduced risk of HA, while the Eubacterium ruminantium group was associated with an increased risk of HA. Conclusion Our study suggests a genetic causal relationship between specific GM and two types of abortions, improving our understanding of the pathological relationship between GM and abortion.
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Affiliation(s)
- Hang Yao
- School of Traditional Chinese Medicine, Binzhou Medical University, Yantai, China
| | - Jiahao Chen
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yu Wang
- Graduate School of Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Yuxin Li
- Graduate School of Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Qingling Jiang
- School of Traditional Chinese Medicine, Binzhou Medical University, Yantai, China
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Malloy E, Kates AE, Dixon J, Riley C, Safdar N, Hanson L. Vaginal and Rectal microbiome changes following administration of a multi-species antenatal probiotic: A randomized control trial. GUT MICROBES REPORTS 2024; 1:1-10. [PMID: 38708373 PMCID: PMC11065196 DOI: 10.1080/29933935.2024.2334311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 03/14/2024] [Indexed: 05/07/2024]
Abstract
The gut and vaginal microbiome undergo changes during pregnancy which may be protective or harmful to the birthing person. Probiotics have been found to cause protective changes to the gut and vaginal microbiomes, with the potential to improve perinatal outcomes. This randomized control trial compares the vaginal and rectal microbiomes before and after an antenatal probiotic or placebo intervention, with a diverse group of pregnant people and a special focus on racial disparities. The vaginal and rectal microbiomes reveal non-significant increased Lactobacillus in the probiotics group, with a greater increase in participants who identified as Black. Potential implications and future study are discussed.
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Affiliation(s)
- Emily Malloy
- Aurora UW Medical Group Midwifery & Wellness, Advocate Aurora Healthcare Milwaukee, USA
- College of Nursing, Marquette University, Milwaukee, USA
| | - Ashley E. Kates
- Department of Medicine, Division of Infectious Disease, University of Wisconsin-Madison, Madison, USA
- William S. Middleton Memorial Veterans Hospital, Madison, USA
| | - Jonah Dixon
- Department of Medicine, Division of Infectious Disease, University of Wisconsin-Madison, Madison, USA
- William S. Middleton Memorial Veterans Hospital, Madison, USA
| | - Colleen Riley
- Department of Medicine, Division of Infectious Disease, University of Wisconsin-Madison, Madison, USA
- William S. Middleton Memorial Veterans Hospital, Madison, USA
| | - Nasia Safdar
- Department of Medicine, Division of Infectious Disease, University of Wisconsin-Madison, Madison, USA
- William S. Middleton Memorial Veterans Hospital, Madison, USA
| | - Lisa Hanson
- College of Nursing, Marquette University, Milwaukee, USA
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Díaz-Rodríguez K, Pacheco-Aranibar J, Manrique-Sam C, Ita-Balta Y, del Carpio-Toia AM, López-Casaperalta P, Chocano-Rosas T, Fernandez-F F, Villanueva-Salas J, Bernabe-Ortiz JC. Intestinal Microbiota in Children with Anemia in Southern Peru through Next-Generation Sequencing Technology. CHILDREN (BASEL, SWITZERLAND) 2022; 9:1615. [PMID: 36360343 PMCID: PMC9688611 DOI: 10.3390/children9111615] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 09/16/2022] [Accepted: 09/22/2022] [Indexed: 08/30/2023]
Abstract
Knowledge of the sequencing of the 16S rRNA gene constitutes a true revolution in understanding the composition of the intestinal microbiota and its implication in health states. This study details microbial composition through next-generation sequencing (NGS) technology in children with anemia. Anemia is the most frequent hematological disorder that affects human beings. In Peru, it is one of the conditions that presents the most significant concern due to the adverse effects that cause it, such as delayed growth and psychomotor development, in addition to a deficiency in cognitive development.
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Affiliation(s)
- Karla Díaz-Rodríguez
- Post-Graduate School, Universidad Católica de Santa María, Urb. San José s/n, Umacollo, Arequipa 04013, Peru
| | - Jani Pacheco-Aranibar
- Post-Graduate School, Universidad Católica de Santa María, Urb. San José s/n, Umacollo, Arequipa 04013, Peru
- Deparment of Biology, Universidad Nacional de San Agustín, Santa Catalina Nro. 117, Arequipa 04001, Peru
- Department of Molecular Biology, Instituto de Biotecnología del ADN Uchumayo, Arequipa 04401, Peru
| | - Cecilia Manrique-Sam
- Post-Graduate School, Universidad Católica de Santa María, Urb. San José s/n, Umacollo, Arequipa 04013, Peru
| | - Yuma Ita-Balta
- Post-Graduate School, Universidad Católica de Santa María, Urb. San José s/n, Umacollo, Arequipa 04013, Peru
| | - Agueda Muñoz del Carpio-Toia
- Post-Graduate School, Universidad Católica de Santa María, Urb. San José s/n, Umacollo, Arequipa 04013, Peru
- Vicerrectorado de Investigación, Universidad Católica de Santa María, Urb. San José s/n, Umacollo, Arequipa 04013, Peru
| | - Patricia López-Casaperalta
- Vicerrectorado de Investigación, Universidad Católica de Santa María, Urb. San José s/n, Umacollo, Arequipa 04013, Peru
| | - Teresa Chocano-Rosas
- Post-Graduate School, Universidad Católica de Santa María, Urb. San José s/n, Umacollo, Arequipa 04013, Peru
| | - Fernando Fernandez-F
- Post-Graduate School, Universidad Católica de Santa María, Urb. San José s/n, Umacollo, Arequipa 04013, Peru
| | - Jose Villanueva-Salas
- Post-Graduate School, Universidad Católica de Santa María, Urb. San José s/n, Umacollo, Arequipa 04013, Peru
| | - Julio Cesar Bernabe-Ortiz
- Post-Graduate School, Universidad Católica de Santa María, Urb. San José s/n, Umacollo, Arequipa 04013, Peru
- Deparment of Biology, Universidad Nacional de San Agustín, Santa Catalina Nro. 117, Arequipa 04001, Peru
- Department of Molecular Biology, Instituto de Biotecnología del ADN Uchumayo, Arequipa 04401, Peru
- Vicerrectorado de Investigación, Universidad Católica de Santa María, Urb. San José s/n, Umacollo, Arequipa 04013, Peru
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