Lactobacillus acidophilusINMIA 9602 Er-2 strain 317/402 probiotic regulates growth of commensalEscherichia coliin gut microbiota of familial Mediterranean fever disease subjects

2017 ◽  
Vol 64 (4) ◽  
pp. 254-260 ◽  
Author(s):  
A.Z. Pepoyan ◽  
M.H. Balayan ◽  
A.M. Manvelyan ◽  
V. Mamikonyan ◽  
M. Isajanyan ◽  
...  
2019 ◽  
Vol 78 (10) ◽  
pp. 1398-1404 ◽  
Author(s):  
Samuel Deshayes ◽  
Soraya Fellahi ◽  
Jean-Philippe Bastard ◽  
Jean-Marie Launay ◽  
Jacques Callebert ◽  
...  

ObjectivesFamilial Mediterranean fever (FMF) can be complicated by AA amyloidosis (AAA), though it remains unclear why only some patients develop amyloidosis. We examined the gut microbiota composition and inflammatory markers in patients with FMF complicated or not by AAA.MethodsWe analysed the gut microbiota of 34 patients with FMF without AAA, 7 patients with FMF with AAA, 19 patients with AAA of another origin, and 26 controls using 16S ribosomal RNA gene sequencing with the Illumina MiSeq platform. Associations between bacterial taxa and clinical phenotypes were evaluated using multivariate association with linear models statistical method. Blood levels of interleukin (IL)−1β, IL-6, tumour necrosis factor-α and adipokines were assessed by ELISA; indoleamine 2,3-dioxygenase (IDO) activity was determined by high-performance liquid chromatography.ResultsCompared with healthy subjects, specific changes in faecal microbiota were observed in FMF and AAA groups. Several operational taxonomic units (OTUs) were associated with FMF. Moreover, two OTUs were over-represented in FMF-related AAA compared with FMF without AAA. Additionally, higher adiponectin levels and IDO activity were observed in FMF-related AAA compared with FMF without AAA (p<0.05).ConclusionThe presence of specific changes in faecal microbiota in FMF and in FMF-related AAA suggests that intestinal microorganisms may play a role in the pathogenesis of these diseases. These findings may offer an opportunity to use techniques for gut microbiota manipulation.


Genes ◽  
2020 ◽  
Vol 11 (9) ◽  
pp. 1041
Author(s):  
Agostino Di Ciaula ◽  
Alessandro Stella ◽  
Leonilde Bonfrate ◽  
David Q. H. Wang ◽  
Piero Portincasa

The gastrointestinal tract hosts the natural reservoir of microbiota since birth. The microbiota includes various bacteria that establish a progressively mutual relationship with the host. Of note, the composition of gut microbiota is rather individual-specific and, normally, depends on both the host genotype and environmental factors. The study of the bacterial profile in the gut demonstrates that dominant and minor phyla are present in the gastrointestinal tract with bacterial density gradually increasing in oro-aboral direction. The cross-talk between bacteria and host within the gut strongly contributes to the host metabolism, to structural and protective functions. Dysbiosis can develop following aging, diseases, inflammatory status, and antibiotic therapy. Growing evidences show a possible link between the microbiota and Familial Mediterranean Fever (FMF), through a shift of the relative abundance in microbial species. To which extent such perturbations of the microbiota are relevant in driving the phenotypic manifestations of FMF with respect to genetic background, remains to be further investigated.


PEDIATRICS ◽  
2001 ◽  
Vol 108 (1) ◽  
pp. 215-215 ◽  
Author(s):  
N. Akar ◽  
E. Akar ◽  
F. Yalcinkaya; ◽  
G. J. Halpern ◽  
A. Mimouni ◽  
...  

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1659.3-1659
Author(s):  
N. Ziade ◽  
A. Nassar

Background:Spondyloarthritis (SpA) and Familial Meditaerranean fever (FMF) may co-exist in certain populations, and have some overlapping manifestations (oligo-arthritis, hip involvement). Their association may impact disease phenotype and may affect disease management.Objectives:To evaluate the association of SpA and FMF and its impact on disease phenotype and management.Methods:A systematic literature search was conducted with the keywords spondyloarthritis and familial mediterranean fever from Janurary 1990 to January 2020 in PubMed and using manual cross-reference methods.Results:The search retrieved 74 articles, out of which 37 articles were relevant to the study question; most of the articles were case reports, with some large cohort studies of FMF and SpA (Flowchart in Figure 1).In large FMF cohorts, the prevalence of SpA was higher compared to the general population (7.5-13%, OR around 10). M694V was a risk factor for SpA. These FMF-SpA patients were older at diagnosis, had lower fever attacks, and higher disease duration, inflammatory back pain, chronic arthritis, enthesopathy, persistent inflammation and higher resistance to Colchicine. In case series, they were responsive to anti-TNF therapy.In large SpA cohorts, MEFV mutation, particularly M694V, was found in 15-35% (even without associated FMF). In most cohorts, MEFV mutation carriers didn’t have any distinct disease phenotype, except for some reports of higher ESR, more hip involvement, higher BASFI and higher BASDAI. Genome-wide association studies and case reports suggest an implication for IL-1 and thus a role for Anakinra therapy in these patients.Conclusion:In FMF or SpA patients with resistance to conventional therapy, the evaluation of disease association should be performed as it may have significant impact on disease management.References:[1]Li et al, Plos Genetics 2019. Watad et al, Frontiers Immunol 2019. Atas et al, Rheumatol Int 2019. Cherqaoui et al, JBS 2017. Zhong et al. Plos One 2017. Ornek et al, Arch Rheumatol 2016. Cinar et al, Rheumatol Int 2008. Durmur et al, JBS 2007.Figure 1.Flowchart of the systematic literature search (Spondyloarthritis, Familial Mediterranean Fever; January 1990-2020).Disclosure of Interests:Nelly Ziade Speakers bureau: Abbvie, Janssen, Lilly, Novartis, Pfizer, Roche, Sanofi, Aref Nassar: None declared


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