Journal
HEMATOLOGY
Volume 28, Issue 1, Pages -Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/16078454.2023.2277501
Keywords
Primary immune thrombocytopenia; intestinal flora; 16S rRNA; metagenomics; Th1/Th2 imbalance; IL-2; IL-4
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This study investigated the differences in intestinal flora between ITP patients and healthy controls, and identified the correlation between intestinal flora and Th1/Th2 imbalance. It was found that changes in the intestinal flora of ITP patients may be related to inflammation and immunity. Additionally, the study revealed the association between intestinal flora and bleeding scores as well as platelet counts. Functionally, the intestinal flora of ITP patients showed alterations in motility, chemotaxis, membrane transport, and metabolism.
Background Little is known about the changes and mechanisms of intestinal flora in primary immune thrombocytopenia (ITP) patients.Aim To explore the structural and functional differences of intestinal flora between ITP patients and healthy controls, and clarify the correlation between intestinal flora and Th1/Th2 imbalance.Methods Feces from ITP patients and healthy controls were studied by 16S rRNA and metagenomic techniques at phylum, genus, species or functional levels. Blood samples were collected for the detection of interleukin -2 (IL-2) and IL-4 concentrations.Results The following changes in ITP patients were found: a decrease of Bacteroidetes phylum, an increase of Proteobacteria phylum and alterations of ten genera and 1045 species. IL-2 and IL-4 were significantly correlated with six and five genera, respectively. Species of C. freundii, C. rodentium, and C. youngae were negatively correlated with bleeding scores, and S. infantis was positively related to platelet counts. Functionally, the intestinal flora of ITP patients changed mainly in terms of motility, chemotaxis, membrane transport, and metabolism.Conclusion The mechanism underlying functional and structural changes of intestinal flora in ITP patients may be related to inflammation and immunity, providing possibilities of probiotics or fecal transplants for ITP.
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