当前位置： SCI文献检索 > MOLECULAR IMMUNOLOGY期刊下所有文献 > Memory T cells of patients with abdominal aortic aneurysm differentially expressed micro RNAs 21, 92a, 146a, 155, 326 and 663 in response to Helicobacter pylori and Lactobacillus acidophilus.

Memory T cells of patients with abdominal aortic aneurysm differentially expressed micro RNAs 21, 92a, 146a, 155, 326 and 663 in response to Helicobacter pylori and Lactobacillus acidophilus.

Abstract：

:Regarding the role of micro RNAs (miRNA) in the proliferation and differentiation of T cells as well as the controversy around the role of bacteria in the pathogenesis of abdominal aortic aneurysm (AAA), the effects of Helicobacter pylori (Hp) and Lactobacillus acidophilus (La) were investigated in the induction of miRNAs and apoptosis in CD4+ memory T (Tem) cells of AAA patients and controls. Signature atherosclerosis miRNAs 21, 92a, 146a, 155, 326 and 663 were measured in the sera and tissues of AAA patients and control. PBMCs separately and in co-culture with HUVEC were treated with Hp-water-extract (HpWE) and La-conditioned-medium (LaCM). Apoptosis and miRNA levels were assessed in the isolated Tem by flowcytometry and real-time-PCR. In single-culture, HpWE increased apoptosis and miR-155 and LaCM decreased apoptosis and increased miR-21. In co-culture, apoptosis decreased in both groups in response to CagA+HpWE. Also, all miRNAs increased in patients Tem but in controls, only miR- 146a and 21 showed changes. Although, apoptosis was similar in Tem of patients and controls, the effects of Hp and La were different on the induction of apoptosis and miRNAs and also these bacteria showed different impacts in single and co-culture conditions. Beyond the direct effects of these bacteria on the pathogenesis of diseases, their effects on miRNAs expression may shed light on their roles in the development and the prevention of AAA.

journal_name

Mol Immunol

journal_title

Molecular immunology

authors

Kalani M,Hodjati H,Ghoddusi Johari H,Doroudchi M

doi

10.1016/j.molimm.2020.11.007

subject

Has Abstract

pub_date

2021-02-01 00:00:00

pages

77-84

eissn

0161-5890

issn

1872-9142

pii

S0161-5890(20)30536-8

journal_volume

130

pub_type

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