文献检索文档翻译深度研究
Suppr Zotero 插件Zotero 插件
邀请有礼套餐&价格历史记录

新学期,新优惠

限时优惠:9月1日-9月22日

30天高级会员仅需29元

1天体验卡首发特惠仅需5.99元

了解详情
不再提醒
插件&应用
Suppr Zotero 插件Zotero 插件浏览器插件Mac 客户端Windows 客户端微信小程序
高级版
套餐订阅购买积分包
AI 工具
文献检索文档翻译深度研究
关于我们
关于 Suppr公司介绍联系我们用户协议隐私条款
关注我们

Suppr 超能文献

核心技术专利:CN118964589B侵权必究
粤ICP备2023148730 号-1Suppr @ 2025

重编程短链脂肪酸代谢可减轻化脓性链球菌坏死性皮肤感染的组织损伤。

Reprogramming Short-Chain Fatty Acid Metabolism Mitigates Tissue Damage for Streptococcus pyogenes Necrotizing Skin Infection.

作者信息

Caparon Michael, Xu Wei, Bradstreet Tara, Zou Zongsen, Hickerson Suzanne, Zhou Yuan, He Hongwu, Edelson Brian

机构信息

Washington University School of Medicine.

Jiangxi Normal University.

出版信息

Res Sq. 2023 Dec 23:rs.3.rs-3689163. doi: 10.21203/rs.3.rs-3689163/v1.


DOI:10.21203/rs.3.rs-3689163/v1
PMID:38196634
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10775361/
Abstract

Disease Tolerance (DT) is a host response to infection that limits collateral damage to host tissues while having a neutral effect on pathogen fitness. Previously, we found that the pathogenic lactic acid bacterium manipulates DT using its aerobic mixed-acid fermentation (ARMAF) pathway via the enzyme pyruvate dehydrogenase (PDH) to alter expression of the immunosuppressive cytokine IL-10. However, the microbe-derived molecules that mediate communication with the host's DT pathways remain elusive. Here, we show that ARMAF inhibits accumulation of IL-10-producing inflammatory cells including neutrophils and macrophages, leading to delayed bacterial clearance and wound healing. Expression of IL-10 is inhibited through streptococcal production of the short chain fermentation end-products acetate and formate, via manipulation of host acetyl-CoA metabolism, altering non-histone regulatory lysine acetylation. A bacterial-specific PDH inhibitor reduced tissue damage during murine infection, suggesting that reprogramming carbon flow provides a novel therapeutic strategy to mitigate tissue damage during infection.

摘要

疾病耐受性(DT)是宿主对感染的一种反应,它限制了对宿主组织的附带损害,同时对病原体适应性产生中性影响。此前,我们发现致病性乳酸菌通过其需氧混合酸发酵(ARMAF)途径,经由丙酮酸脱氢酶(PDH)操纵DT,以改变免疫抑制细胞因子IL-10的表达。然而,介导与宿主DT途径通信的微生物衍生分子仍然难以捉摸。在这里,我们表明ARMAF抑制包括中性粒细胞和巨噬细胞在内的产生IL-10的炎性细胞的积累,导致细菌清除和伤口愈合延迟。IL-10的表达通过链球菌产生的短链发酵终产物乙酸盐和甲酸盐,经由操纵宿主乙酰辅酶A代谢、改变非组蛋白调节性赖氨酸乙酰化而受到抑制。一种细菌特异性PDH抑制剂减少了小鼠感染期间的组织损伤,这表明重新编程碳流提供了一种减轻感染期间组织损伤的新治疗策略。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/361e8809a414/nihpp-rs3689163v1-f0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/e4ddd2ffd300/nihpp-rs3689163v1-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/0b3c92cef8d7/nihpp-rs3689163v1-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/6e8e29d9822c/nihpp-rs3689163v1-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/ae9594413d2b/nihpp-rs3689163v1-f0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/8414ae7a13c7/nihpp-rs3689163v1-f0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/361e8809a414/nihpp-rs3689163v1-f0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/e4ddd2ffd300/nihpp-rs3689163v1-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/0b3c92cef8d7/nihpp-rs3689163v1-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/6e8e29d9822c/nihpp-rs3689163v1-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/ae9594413d2b/nihpp-rs3689163v1-f0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/8414ae7a13c7/nihpp-rs3689163v1-f0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0cd/10775361/361e8809a414/nihpp-rs3689163v1-f0006.jpg

相似文献

[1]
Reprogramming Short-Chain Fatty Acid Metabolism Mitigates Tissue Damage for Streptococcus pyogenes Necrotizing Skin Infection.

Res Sq. 2023-12-23

[2]
Reprogramming aerobic metabolism mitigates Streptococcus pyogenes tissue damage in a mouse necrotizing skin infection model.

Nat Commun. 2025-3-15

[3]
Central carbon flux controls growth/damage balance for Streptococcus pyogenes.

PLoS Pathog. 2023-6

[4]
Streptococcus pyogenes Transcriptome Changes in the Inflammatory Environment of Necrotizing Fasciitis.

Appl Environ Microbiol. 2019-10-16

[5]
New Pathogenesis Mechanisms and Translational Leads Identified by Multidimensional Analysis of Necrotizing Myositis in Primates.

mBio. 2020-2-18

[6]
Class IIa histone deacetylase (HDAC) inhibitor TMP269 suppresses lumpy skin disease virus replication by regulating host lysophosphatidic acid metabolism.

J Virol. 2025-2-25

[7]
Metabolic Connection of Inflammatory Pain: Pivotal Role of a Pyruvate Dehydrogenase Kinase-Pyruvate Dehydrogenase-Lactic Acid Axis.

J Neurosci. 2015-10-21

[8]
A Quorum Sensing System Enables Suppression of Innate Immunity.

mBio. 2021-5-4

[9]
Crucial Role of Nucleic Acid Sensing via Endosomal Toll-Like Receptors for the Defense of and .

Front Immunol. 2019-2-21

[10]
A group A Streptococcus ADP-ribosyltransferase toxin stimulates a protective interleukin 1β-dependent macrophage immune response.

mBio. 2015-3-10

文献AI研究员

20分钟写一篇综述,助力文献阅读效率提升50倍

立即体验

用中文搜PubMed

大模型驱动的PubMed中文搜索引擎

马上搜索

推荐工具

医学文档翻译智能文献检索