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Dysbiotic salivary microbiota in dry mouth and primary Sjögren’s syndrome patients
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Dysbiotic salivary microbiota in dry mouth and primary Sjögren’s syndrome patients
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Dysbiotic salivary microbiota in dry mouth and primary Sjögren’s syndrome patients
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Journal Article
Dysbiotic salivary microbiota in dry mouth and primary Sjögren’s syndrome patients
2019
Overview
Primary Sjögren's syndrome (pSS) is an autoimmune disease characterized by reduced lacrimal and salivary secretion. Sicca symptoms together with fatigue and musculoskeletal pain can significantly reduce the patients' quality of life. Furthermore, low salivary secretion may disrupt the oral microbial homeostasis. The aim of this study was to compare the salivary microbiota from pSS patients with patients with sicca symptoms not fulfilling the classification criteria for pSS (non-SS), and with healthy controls without sicca complaints.
Pellets from centrifuged chewing-stimulated whole saliva from pSS patients (n = 15), non-SS sicca patients (n = 15) and healthy controls (n = 15) were prepared. DNA was extracted and analyzed by 16S rRNA gene sequencing. The acquired sequencing data were performed using the human oral microbiome database (HOMD).
We detected 42, 45, and 34 bacterial genera in saliva samples from pSS patients, non-SS sicca patients, and healthy controls, respectively. The most abundant genera in all samples were Prevotella, Veillonella, Streptococcus, and Haemophilus. At species level Streptococcus intermedius, Prevotella intermedia, Fusobacterium nucleatum subsp. vincentii, Porphyromonas endodontalis, Prevotella nancensis, Tannerella spp., and Treponema spp. were detected in the samples from pSS and non-SS only, while Porphyromonas pasteri was mostly found among the healthy controls.
Our study indicated dysbiosis in the salivary microbiota from pSS and non-SS patients compared to healthy controls. Additionally, the results showed that the salivary microbiome in the pSS group differed significantly from the non-SS group.
Publisher
Public Library of Science,Public Library of Science (PLoS)
Subject
/ Bacteria
/ Biology
/ Biopsy
/ Chewing
/ DNA
/ Female
/ Genera
/ Haemophilus - isolation & purification
/ Humans
/ Male
/ Medicine and Health Sciences
/ Mouth
/ Musculoskeletal Pain - complications
/ Musculoskeletal Pain - genetics
/ Musculoskeletal Pain - microbiology
/ Musculoskeletal Pain - physiopathology
/ Pain
/ Prevotella - isolation & purification
/ RNA, Ribosomal, 16S - genetics
/ rRNA 16S
/ Saliva
/ Sjogren's Syndrome - complications
/ Sjogren's Syndrome - genetics
/ Sjogren's Syndrome - microbiology
/ Sjogren's Syndrome - physiopathology
/ Streptococcus - isolation & purification
/ Teeth
