Role of GDF15 in the Regulation of Host Tolerance to Inflammation
GDF15 在调节宿主炎症耐受性中的作用
基本信息
- 批准号:10554353
- 负责人:
- 金额:$ 41.88万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2019
- 资助国家:美国
- 起止时间:2019-01-01 至 2023-12-31
- 项目状态:已结题
- 来源:
- 关键词:AblationAcuteAffectAntibodiesAutoimmunityB-Cell ActivationBone MarrowCardiomyopathiesCardiotoxicityCellsCellular StressCirculationCommunicationDataDiseaseEndocrineEnhancersFunctional disorderGDF15 geneGDNF receptorsGrowth FactorGrowth Factor ReceptorsHeartHeart failureHormonesHourHumanImpairmentInfectionInflammationInflammatoryInflammatory ResponseInfluenzaInjuryIntravenousLeadLigandsLightLipopolysaccharidesMacrophageMalignant NeoplasmsMediatingMetabolicMetabolismModelingMolecularMonoclonal AntibodiesMorbidity - disease rateMusNF-kappa BNeoplasmsNerve Growth Factor ReceptorsNeurogliaNeuronsNeurotransmittersNonesterified Fatty AcidsNuclearOrganOrgan failureOrganismOxidative PhosphorylationPathway interactionsPlasmaPoly I-CProductionRecombinant Growth FactorRegulationReportingRoleSepsisSignal TransductionSourceStarvationStimulusStressStructure of area postremaTestingTherapeuticTissue PreservationTissuesToll-like receptorsTriglyceride MetabolismTriglyceridesXenobioticsacute infectionattenuationcardioprotectioncecal ligation puncturecytokinehemodynamicshindbrainhypothalamic-pituitary-adrenal axisimprovedin vivointraperitonealmorphogensmortalitynanonerve supplyneuronal circuitryparabrachial nucleuspathogenpreventreceptorresponsesepticvirtual
项目摘要
PROJECT SUMMARY
Growth and Differentiation Factor 15 (GDF15) is highly induced in virtually all inflammatory conditions in
humans, including sepsis, cancer and autoimmunity, but its role in the inflammatory response has been
unclear. This proposal seeks to understand the role of Growth and Differentiation Factor 15 (GDF15) in
mediating protection in sepsis.
Preliminary data for this proposal reveals that GDF15 is induced specifically in models of acute
infection/inflammation but not other environmental stress conditions and achieves nanogram levels in
circulation. The GDF15 receptor, glial cell-lone derived neurotrophic factor receptor alpha-like (GFRAL), was
found only in the hindbrain and not induced by inflammation. Blockade of GDF15 led to enhanced mortality in
multiple models of sepsis, including lipopolysaccharide (LPS), cecal-ligation puncture (CLP), Poly(I:C), and
influenza. Conversely, late administration of recombinant GDF15 led to protection. GDF15 inhibition did not
affect inflammatory magnitude or pathogen control. However, GDF15 blockade led to an impairment in the
ability of mice to switch to an oxidative phosphorylation state. There was no difference in ketonemia or plasma
free fatty acids but a significant decrease in circulating plasma triglycerides. We also found that blockade of
GDF15 led to enhanced cardiotoxicity, without a difference in overall hemodynamic control. Thus, GDF15 is a
tissue protective hormone. This proposal seeks to test the idea that GDF15 is an adaptive cytokine produced
by macrophages in response to acute inflammation, which mediates cardioprotection by controlling triglyceride
metabolism via sympathetic innervation.
项目摘要
生长和分化因子15(GDF 15)在几乎所有的炎症条件下都是高度诱导的,
人类,包括败血症,癌症和自身免疫,但其在炎症反应中的作用一直是
不清楚该提案旨在了解生长和分化因子15(GDF 15)在以下方面的作用:
介导脓毒症的保护作用。
该提议的初步数据显示,GDF 15在急性炎症模型中特异性诱导,
感染/炎症,而不是其他环境应激条件,并达到纳克水平,
流通GDF 15受体,胶质细胞孤源性神经营养因子受体α样(GFRAL),是一种神经营养因子受体。
只在后脑发现,而不是由炎症引起的。GDF 15的阻断导致了
多种脓毒症模型,包括脂多糖(LPS)、盲肠结扎穿孔(CLP)、Poly(I:C)和
流感。相反,重组GDF 15的晚期施用导致保护。GDF 15抑制不
影响炎症程度或病原体控制。然而,GDF 15阻断导致了在细胞内的损伤。
小鼠转换到氧化磷酸化状态的能力。在酮血症或血浆中没有差异
游离脂肪酸,但循环血浆甘油三酯显著降低。我们还发现,
GDF 15导致心脏毒性增强,但在总体血流动力学控制方面无差异。因此,GDF 15是一种
组织保护激素该提议试图测试GDF 15是产生的适应性细胞因子的想法
巨噬细胞对急性炎症的反应,通过控制甘油三酯介导心脏保护作用
通过交感神经支配进行代谢。
项目成果
期刊论文数量(13)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Induction of natural IgE by glucocorticoids.
- DOI:10.1084/jem.20220903
- 发表时间:2022-10-03
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Nutrient-derived signals regulate eosinophil adaptation to the small intestine.
- DOI:10.1073/pnas.2316446121
- 发表时间:2024-01-30
- 期刊:
- 影响因子:11.1
- 作者:Kutyavin, Vassily I.;Korn, Lisa L.;Medzhitov, Ruslan
- 通讯作者:Medzhitov, Ruslan
Tissue Biology: In Search of a New Paradigm.
组织生物学:寻找新范式。
- DOI:10.1146/annurev-cellbio-120420-113830
- 发表时间:2023
- 期刊:
- 影响因子:11.3
- 作者:Adler,Miri;Chavan,ArunR;Medzhitov,Ruslan
- 通讯作者:Medzhitov,Ruslan
Immune sensing of food allergens promotes avoidance behaviour.
- DOI:10.1038/s41586-023-06362-4
- 发表时间:2023-08
- 期刊:
- 影响因子:64.8
- 作者:Florsheim, Esther B.;Bachtel, Nathaniel D.;Cullen, Jaime L.;Lima, Bruna G. C.;Godazgar, Mahdieh;Carvalho, Fernando;Chatain, Carolina P.;Zimmer, Marcelo R.;Zhang, Cuiling;Gautier, Gregory;Launay, Pierre;Wang, Andrew;Dietrich, Marcelo O.;Medzhitov, Ruslan
- 通讯作者:Medzhitov, Ruslan
Adiponectin and related C1q/TNF-related proteins bind selectively to anionic phospholipids and sphingolipids.
脂联素和相关的 C1q/TNF 相关蛋白选择性地与阴离子磷脂和鞘脂结合。
- DOI:10.1073/pnas.1922270117
- 发表时间:2020
- 期刊:
- 影响因子:11.1
- 作者:Ye,JessicaJ;Bian,Xin;Lim,Jaechul;Medzhitov,Ruslan
- 通讯作者:Medzhitov,Ruslan
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Ruslan Medzhitov其他文献
Ruslan Medzhitov的其他文献
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{{ truncateString('Ruslan Medzhitov', 18)}}的其他基金
Role of GDF15 in the Regulation of Host Tolerance to Inflammation
GDF15 在调节宿主炎症耐受性中的作用
- 批准号:
10320912 - 财政年份:2019
- 资助金额:
$ 41.88万 - 项目类别:
Role of basophils in initiating Th2 immune responses
嗜碱性粒细胞在启动 Th2 免疫反应中的作用
- 批准号:
8066599 - 财政年份:2010
- 资助金额:
$ 41.88万 - 项目类别:
Role of basophils in initiating Th2 immune responses
嗜碱性粒细胞在启动 Th2 免疫反应中的作用
- 批准号:
8260301 - 财政年份:2010
- 资助金额:
$ 41.88万 - 项目类别:
Role of basophils in initiating Th2 immune responses
嗜碱性粒细胞在启动 Th2 免疫反应中的作用
- 批准号:
8447547 - 财政年份:2010
- 资助金额:
$ 41.88万 - 项目类别:
INTEGRATION OF CYTOKINE RECEPTORS AND IMMUNORECEPTORS SIGNALING PATHWAYS
细胞因子受体和免疫受体信号通路的整合
- 批准号:
8122912 - 财政年份:2010
- 资助金额:
$ 41.88万 - 项目类别:
Role of basophils in initiating Th2 immune responses
嗜碱性粒细胞在启动 Th2 免疫反应中的作用
- 批准号:
8648995 - 财政年份:2010
- 资助金额:
$ 41.88万 - 项目类别:
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