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Increased frequency of CD4+CD57+ senescent T cells in patients with newly diagnosed acute heart failure: exploring new pathogenic mechanisms with clinical relevance

Authors
 Jong-Chan Youn  ;  Min Kyung Jung  ;  Hee Tae Yu  ;  Ji-Soo Kwon  ;  Jeong-Eun Kwak  ;  Su-Hyung Park  ;  In-Cheol Kim  ;  Myung-Soo Park  ;  Sun Ki Lee  ;  Suk-Won Choi  ;  Seongwoo Han  ;  Kyu-Hyung Ryu  ;  Seok-Min Kang  ;  Eui-Cheol Shin 
Citation
 SCIENTIFIC REPORTS, Vol.9(1) : 12887, 2019 
Journal Title
 SCIENTIFIC REPORTS 
Issue Date
2019
Abstract
Recent animal studies showed T cells have a direct pathogenic role in the development of heart failure (HF). However, which subsets of T cells contribute to human HF pathogenesis and progression remains unclear. We characterized immunologic properties of various subsets of T cells and their clinical implications in human HF. Thirty-eight consecutive patients with newly diagnosed acute HF (21 males, mean age 66 ± 16 years) and 38 healthy control subjects (21 males, mean age 62 ± 12 years) were enrolled. We found that pro-inflammatory mediators, including CRP, IL-6 and IP-10 and the frequencies of CD57+ T cells in the CD4+ T cell population were significantly elevated in patients with acute HF compared to control subjects. A functional analysis of T cells from patients with acute HF revealed that the CD4+CD57+ T cell population exhibited a higher frequency of IFN-γ- and TNF-α- producing cells compared to the CD4+CD57- T cell population. Furthermore, the frequency of CD4+CD57+ T cells at baseline and its elevation at the six-month follow-up were significantly related with the development of cardiovascular (CV) events, which were defined as CV mortality, cardiac transplantation, or rehospitalization due to HF exacerbation. In conclusion, CD4+CD57+ senescent T cells showed more inflammatory features and polyfunctionality and were associated with clinical outcome in patients with acute HF. More detailed study for senescent T cells might offer new opportunities for the prevention and treatment of human HF.
Files in This Item:
T201905659.pdf Download
DOI
10.1038/s41598-019-49332-5
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Seok Min(강석민) ORCID logo https://orcid.org/0000-0001-9856-9227
Yu, Hee Tae(유희태) ORCID logo https://orcid.org/0000-0002-6835-4759
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/174824
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