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Tabatabaei N, Eren AM, Barreiro LB, Yotova V, Dumaine A, Allard C, Fraser WD. Vaginal microbiome in early pregnancy and subsequent risk of spontaneous preterm birth: a case-control study. BJOG 2018; 126:349-358. [PMID: 29791775 DOI: 10.1111/1471-0528.15299] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2018] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To explore differences in the vaginal microbiome between preterm and term deliveries. DESIGN Nested case-control study in 3D cohort (design, develop, discover). SETTING Quebec, Canada. SAMPLE Ninety-four women with spontaneous preterm birth as cases [17 early (<34 weeks) and 77 late (34-36 weeks) preterm birth] and 356 women as controls with term delivery (≥37 weeks). METHODS To assess the vaginal microbiome by sequencing the V4 region of the 16S ribosomal RNA (rRNA) gene in swabs self-collected during early pregnancy. MAIN OUTCOME MEASURES Comparison of relative abundance of bacterial operational taxonomic units and oligotypes and identifying vaginal community state types (CSTs) in early or late spontaneous preterm and term deliveries. RESULTS Lactobacillus gasseri/ Lactobacillus johnsonii (coefficient -5.36, 95% CI -8.07 to -2.65), Lactobacillus crispatus (99%)/ Lactobacillus acidophilus (99%) (-4.58, 95% CI -6.20 to -2.96), Lactobacillus iners (99%)/ Ralstonia solanacearum (99%) (-3.98, 95% CI -6.48 to -1.47) and Bifidobacterium longum/ Bifidobacterium breve (-8.84, 95% CI -12.96 to -4.73) were associated with decreased risk of early but not late preterm birth. Six vaginal CSTs were identified: four dominated by Lactobacillus; one with presence of bacterial vaginosis-associated bacteria (Gardnerella vaginalis, Atopobium vaginae and Veillonellaceae bacterium) (CST IV); and one with nondominance of Lactobacillus (CST VI). CST IV was associated with increased risk of early (4.22, 95% CI 1.24-24.85) but not late (1.63, 95% CI 0.68-5.04) preterm birth, compared with CST VI. CONCLUSIONS Lactobacillus gasseri/L. johnsonii, L. crispatus/L. acidophilus, L. iners/R. solanacearum and B. longum/B. breve may be associated with decreased risk of early preterm birth. A bacterial vaginosis-related vaginal CST versus a CST nondominated by Lactobacillus may be associated with increased risk of early preterm birth. TWEETABLE ABSTRACT Largest study of its kind finds certain species of vaginal Lactobacillus + Bifidobacterium may relate to lower risk of preterm birth.
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Affiliation(s)
- N Tabatabaei
- Research Centre of CHU Sainte-Justine, University of Montreal, Montreal, QC, Canada.,Department of Obstetrics and Gynaecology, University of Sherbrooke, Sherbrooke, QC, Canada
| | - A M Eren
- Department of Medicine, University of Chicago, Chicago, IL, USA
| | - L B Barreiro
- Research Centre of CHU Sainte-Justine, University of Montreal, Montreal, QC, Canada.,Department of Paediatrics, Research Center of CHU Sainte-Justine, University of Montreal, Montreal, QC, Canada
| | - V Yotova
- Research Centre of CHU Sainte-Justine, University of Montreal, Montreal, QC, Canada.,Department of Paediatrics, Research Center of CHU Sainte-Justine, University of Montreal, Montreal, QC, Canada
| | - A Dumaine
- Research Centre of CHU Sainte-Justine, University of Montreal, Montreal, QC, Canada.,Department of Paediatrics, Research Center of CHU Sainte-Justine, University of Montreal, Montreal, QC, Canada
| | - C Allard
- Research Centre of Sherbrooke University Hospital Centre (CRCHUS), Sherbrooke, QC, Canada
| | - W D Fraser
- Research Centre of CHU Sainte-Justine, University of Montreal, Montreal, QC, Canada.,Department of Obstetrics and Gynaecology, University of Sherbrooke, Sherbrooke, QC, Canada.,Research Centre of Sherbrooke University Hospital Centre (CRCHUS), Sherbrooke, QC, Canada
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Perron H, Hamdani N, Faucard R, Lajnef M, Jamain S, Daban-Huard C, Sarrazin S, LeGuen E, Houenou J, Delavest M, Moins-Teiserenc H, Bengoufa D, Yolken R, Madeira A, Garcia-Montojo M, Gehin N, Burgelin I, Ollagnier G, Bernard C, Dumaine A, Henrion A, Gombert A, Le Dudal K, Charron D, Krishnamoorthy R, Tamouza R, Leboyer M, Leboyer M. Molecular characteristics of Human Endogenous Retrovirus type-W in schizophrenia and bipolar disorder. Transl Psychiatry 2012; 2:e201. [PMID: 23212585 PMCID: PMC3565190 DOI: 10.1038/tp.2012.125] [Citation(s) in RCA: 90] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Epidemiological and genome-wide association studies of severe psychiatric disorders such as schizophrenia (SZ) and bipolar disorder (BD), suggest complex interactions between multiple genetic elements and environmental factors. The involvement of genetic elements such as Human Endogenous Retroviruses type 'W' family (HERV-W) has consistently been associated with SZ. HERV-W envelope gene (env) is activated by environmental factors and encodes a protein displaying inflammation and neurotoxicity. The present study addressed the molecular characteristics of HERV-W env in SZ and BD. Hundred and thirty-six patients, 91 with BD, 45 with SZ and 73 healthy controls (HC) were included. HERV-W env transcription was found to be elevated in BD (P<10-4) and in SZ (P=0.012) as compared with HC, but with higher values in BD than in SZ group (P<0.01). The corresponding DNA copy number was paradoxically lower in the genome of patients with BD (P=0.0016) or SZ (P<0.0003) than in HC. Differences in nucleotide sequence of HERV-W env were found between patients with SZ and BD as compared with HC, as well as between SZ and BD. The molecular characteristics of HERV-W env also differ from what was observed in Multiple Sclerosis (MS) and may represent distinct features of the genome of patients with BD and SZ. The seroprevalence for Toxoplasma gondii yielded low but significant association with HERV-W transcriptional level in a subgroup of BD and SZ, suggesting a potential role in particular patients. A global hypothesis of mechanisms inducing such major psychoses is discussed, placing HERV-W at the crossroads between environmental, genetic and immunological factors. Thus, particular infections would act as activators of HERV-W elements in earliest life, resulting in the production of an HERV-W envelope protein, which then stimulates pro-inflammatory and neurotoxic cascades. This hypothesis needs to be further explored as it may yield major changes in our understanding and treatment of severe psychotic disorders.
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Affiliation(s)
- H Perron
- Geneuro, Plan-Les-Ouates, Geneva, Switzerland.
| | - N Hamdani
- Inserm U955, Psychiatrie Génétique, Créteil, France,AP-HP, Hôpital Henri Mondor-Albert Chenevier, Pôle de Psychiatrie, Créteil, France,Fondation Fondamental, Créteil, France,Université Paris Est Créteil, Faculté de Médecine, Créteil, France
| | - R Faucard
- Geneuro-Innovation, Pre-Clinical R&D Department, Lyon, France
| | - M Lajnef
- Inserm U955, Psychiatrie Génétique, Créteil, France,AP-HP, Hôpital Henri Mondor-Albert Chenevier, Pôle de Psychiatrie, Créteil, France,Fondation Fondamental, Créteil, France
| | - S Jamain
- Inserm U955, Psychiatrie Génétique, Créteil, France,Fondation Fondamental, Créteil, France
| | - C Daban-Huard
- Inserm U955, Psychiatrie Génétique, Créteil, France,AP-HP, Hôpital Henri Mondor-Albert Chenevier, Pôle de Psychiatrie, Créteil, France,Fondation Fondamental, Créteil, France
| | - S Sarrazin
- Inserm U955, Psychiatrie Génétique, Créteil, France,AP-HP, Hôpital Henri Mondor-Albert Chenevier, Pôle de Psychiatrie, Créteil, France,Fondation Fondamental, Créteil, France,CEA Saclay, Neurospin, Gif-Sur-Yvette, France
| | - E LeGuen
- Inserm U955, Psychiatrie Génétique, Créteil, France,AP-HP, Hôpital Henri Mondor-Albert Chenevier, Pôle de Psychiatrie, Créteil, France,Fondation Fondamental, Créteil, France
| | - J Houenou
- Inserm U955, Psychiatrie Génétique, Créteil, France,AP-HP, Hôpital Henri Mondor-Albert Chenevier, Pôle de Psychiatrie, Créteil, France,Fondation Fondamental, Créteil, France,CEA Saclay, Neurospin, Gif-Sur-Yvette, France
| | - M Delavest
- Fondation Fondamental, Créteil, France,AP-HP, Université Paris Diderot, Service de Psychiatrie, Hôpital Lariboisiere Fernand Widal, Paris, France
| | - H Moins-Teiserenc
- Jean Dausset Department and INSERM UMRS 940, Hôpital Saint Louis, Paris, France
| | - D Bengoufa
- Jean Dausset Department and INSERM UMRS 940, Hôpital Saint Louis, Paris, France
| | - R Yolken
- Stanley Laboratory of Developmental Neurovirology, Johns Hopkins University Medical Center, Baltimore, MD, USA
| | - A Madeira
- Geneuro-Innovation, Pre-Clinical R&D Department, Lyon, France
| | | | - N Gehin
- Geneuro-Innovation, Pre-Clinical R&D Department, Lyon, France
| | - I Burgelin
- Geneuro-Innovation, Pre-Clinical R&D Department, Lyon, France
| | - G Ollagnier
- Geneuro-Innovation, Pre-Clinical R&D Department, Lyon, France
| | - C Bernard
- Geneuro, Plan-Les-Ouates, Geneva, Switzerland
| | - A Dumaine
- Inserm U955, Psychiatrie Génétique, Créteil, France,Fondation Fondamental, Créteil, France
| | - A Henrion
- Inserm U955, Psychiatrie Génétique, Créteil, France,Fondation Fondamental, Créteil, France
| | - A Gombert
- Inserm U955, Psychiatrie Génétique, Créteil, France,Fondation Fondamental, Créteil, France
| | - K Le Dudal
- Plateforme de Ressources Biologiques AP-HP, Créteil, France,Stanley Research Program, Sheppard Pratt, Baltimore, MD, USA,INSERM-CIC 006, Créteil, France
| | - D Charron
- Jean Dausset Department and INSERM UMRS 940, Hôpital Saint Louis, Paris, France
| | | | - R Tamouza
- Jean Dausset Department and INSERM UMRS 940, Hôpital Saint Louis, Paris, France
| | - M Leboyer
- Inserm U955, Psychiatrie Génétique, Créteil, France,AP-HP, Hôpital Henri Mondor-Albert Chenevier, Pôle de Psychiatrie, Créteil, France,Fondation Fondamental, Créteil, France,Université Paris Est Créteil, Faculté de Médecine, Créteil, France,AP-HP, Hôpital Henri Mondor-Albert Chenevier, Pôle de Psychiatrie, 40, rue de Mesly, 94010 Créteil, France. E-mail:
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