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Human monocyte subsets are transcriptionally and functionally altered in aging in response to pattern recognition receptor agonists

ABSTRACT: Human monocyte subsets are transcriptionally and functionally altered in aging in response to pattern recognition receptor agonists

PROVIDER: PRJNA369858 | ENA |

REPOSITORIES: ENA

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Human monocyte subsets are transcriptionally and functionally altered in aging in response to pattern recognition receptor agonists [ExVivo]

Project description:Age-related alterations in immunity have been linked to increased incidence of infections and decreased responses to vaccines in the aging population. Human peripheral blood monocytes are known to promote antigen presentation and antiviral activities; however, the impact of aging on monocyte functions remains an open question. We present an in-depth global analysis examining the impact of aging on classical (CD14+CD16-), intermediate (CD14+CD16+), and non-classical (CD14dimCD16+) monocytes. Monocytes sorted from non-frail healthy adults (18-40 yrs) and old (≥ 65 yrs) individuals were analyzed after stimulation with TLR4, TLR7/8, and RIG-I agonists. Our data showed under non-stimulated conditions, monocyte subsets did not reveal significant age-related alternations; however, agonist stimulated-monocytes from adults and old subjects did show differences at the transcriptional and functional levels. These alternations in many immune-related transcripts and biological processes resulted in reduced production of IFNα, IFN, IL-1β, CCL20, and CCL8, and higher expression of CX3CR1 in monocytes from old subjects. Our findings represent a comprehensive analysis of the influence of human aging on pattern recognition receptors signaling and monocyte functions, and have implications for strategies to enhance the immune response in the context of infection and immunization.

2017-07-27 | GSE94497 | GEO

Human monocyte subsets are transcriptionally and functionally altered in aging in response to pattern recognition receptor agonists [InVitro]

Project description:Age-related alterations in immunity have been linked to increased incidence of infections and decreased responses to vaccines in the aging population. Human peripheral blood monocytes are known to promote antigen presentation and antiviral activities; however, the impact of aging on monocyte functions remains an open question. We present an in-depth global analysis examining the impact of aging on classical (CD14+CD16-), intermediate (CD14+CD16+), and non-classical (CD14dimCD16+) monocytes. Monocytes sorted from non-frail healthy adults (18-40 yrs) and OLD (≥ 65 yrs) individuals were analyzed after stimulation with TLR4, TLR7/8, and RIG-I agonists. Our data showed under non-stimulated conditions, monocyte subsets did not reveal significant age-related alternations; however, agonist stimulated-monocytes from adults and OLD subjects did show differences at the transcriptional and functional levels. These alternations in many immune-related transcripts and biological processes resulted in reduced production of IFNα, IFN, IL-1β, CCL20, and CCL8, and higher expression of CX3CR1 in monocytes from OLD subjects. Our findings represent a comprehensive analysis of the influence of human aging on pattern recognition receptors signaling and monocyte functions, and have implications for strategies to enhance the immune response in the context of infection and immunization.

2017-07-27 | GSE94496 | GEO

Human Monocyte Subsets Are Transcriptionally and Functionally Altered in Aging in Response to Pattern Recognition Receptor Agonists.

Project description: Not available

| S-EPMC5548610 | biostudies-literature

Human monocyte subsets are transcriptionally and functionally altered in aging in response to pattern recognition receptor agonists

Project description:This SuperSeries is composed of the SubSeries listed below.

2017-07-26 | GSE94499 | GEO

PD-1-stimulated T cell subsets are transcriptionally and functionally distinct

Project description:PD-1-stimulated T cell subsets are transcriptionally and functionally distinct

| PRJNA731922 | ENA

Human intestinal tissue-resident memory T cells comprise transcriptionally and functionally distinct subsets

Project description:Human intestinal tissue-resident memory T cells comprise transcriptionally and functionally distinct subsets

| PRJNA682612 | ENA

Homo sapiens

Project description:Human monocyte subsets are transcriptionally and functionally altered in aging in response to pattern recognition receptor agonists [InVitro]

| PRJNA369860 | ENA

Homo sapiens

Project description:Human monocyte subsets are transcriptionally and functionally altered in aging in response to pattern recognition receptor agonists [ExVivo]

| PRJNA369859 | ENA

Human intestinal tissue-resident memory T cells comprise transcriptionally and functionally distinct subsets I

Project description:Human intestinal tissue-resident memory T cells comprise transcriptionally and functionally distinct subsets I

| PRJNA682613 | ENA

Human intestinal tissue-resident memory T cells comprise transcriptionally and functionally distinct subsets II

Project description:Human intestinal tissue-resident memory T cells comprise transcriptionally and functionally distinct subsets II

| PRJNA682615 | ENA