The β1-adrenergic receptor links sympathetic nerves to T cell exhaustion
Globig A, Zhao S, Roginsky J, Maltez V, Guiza J, Avina-Ochoa N, Heeg M, Araujo Hoffmann F, Chaudhary O, Wang J, Senturk G, Chen D, O’Connor C, Pfaff S, Germain R, Schalper K, Emu B, Kaech S. The β1-adrenergic receptor links sympathetic nerves to T cell exhaustion. Nature 2023, 622: 383-392. PMID: 37731001, PMCID: PMC10871066, DOI: 10.1038/s41586-023-06568-6.Peer-Reviewed Original ResearchConceptsImmune checkpoint blockadeCell exhaustionExhausted CD8Sympathetic nervesT cell exhaustionSympathetic stress responsePancreatic cancer modelAnti-tumor functionCheckpoint blockadeCatecholamine levelsTissue innervationCytokine productionChronic antigenMalignant diseaseChronic infectionCD8Immune responseAdrenergic signalingEffector functionsΒ-blockersViral infectionCancer modelExhausted stateCell responsesCell functionDectin-1 stimulation promotes a distinct inflammatory signature in the setting of HIV-infection and aging
Kumar A, Wang J, Esterly A, Radcliffe C, Zhou H, Wyk B, Allore H, Tsang S, Barakat L, Mohanty S, Zhao H, Shaw A, Zapata H. Dectin-1 stimulation promotes a distinct inflammatory signature in the setting of HIV-infection and aging. Aging 2023, 15: 7866-7908. PMID: 37606991, PMCID: PMC10497004, DOI: 10.18632/aging.204927.Peer-Reviewed Original ResearchConceptsDectin-1 stimulationDendritic cellsHIV-positive older adultsOlder adultsDectin-1 functionDistinct immune signaturesDistinct inflammatory signatureMonocytes of HIVCohort of HIVIFN-α productionPro-inflammatory environmentIFN-γ responsesPro-inflammatory phenotypeInnate immune receptorsDistinct gene signaturesStimulation of monocytesInflammatory signatureImmune signaturesHIV infectionIL-12Macrophage signatureCytokine productionIL-6Cytokine increaseHIV