Attenuated macrophage infiltration in glomeruli of aged miceresultinginamelioratedkidneyinjuryinnephrotoxic serum nephritis

Yoshikatsu Kaneko, Takamasa Cho, Yuya Sato, Kei Goto, Suguru Yamamoto, Shin Goto, Michael P. Madaio, Ichiei Narita

Research output: Contribution to journalArticle

Abstract

Senescent cells have deleterious effects on the tissue microenvironment through proinflammatory senescence-associated secretory phenotypes; meanwhile, the onset of glomerulonephritis is predominant in younger adults. To clarify the influence of aging on the onset and development of glomerulonephritis, we used a murine model of antibody-mediated nephritis. Sheep nephrotoxic serum was administered in C57BL/6J mice at 12 weeks (adult) or 18 months old (aged) after pre-immunization with sheep IgG. Depositions of sheep IgG and autologous mouse IgG along the glomerular basement membrane and the serum titer of anti-sheep IgG-specific mouse IgG were similar between adult and aged mice. However, kidney injury was depressed in aged mice, accompanied by reduced macrophage infiltration in the glomeruli. The mRNA expression of most chemokines involved in monocyte/macrophage chemotaxis was not different between adult and aged mice, but the cell surface expression of C-C chemokine receptor (CCR) 1 and CCR2 was down-regulated in the monocyte/macrophage lineage cells infiltrating the kidneys of aged nephritic mice. Furthermore, expression of all four isotypes of the Fcγ receptor (FcγR) was reduced in these cells. Both CCR and FcγR expression were down-regulated in monocyte/macrophage lineage cells, resulting in attenuated glomerular infiltration of these cells and impaired glomerular injury in aged mice.

Original languageEnglish (US)
Pages (from-to)1178-1186
Number of pages9
JournalJournals of Gerontology - Series A Biological Sciences and Medical Sciences
Volume73
Issue number9
DOIs
StatePublished - Jan 1 2018

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Nephritis
Macrophages
Serum
Sheep
Immunoglobulin G
Monocytes
CC Chemokines
Fc Receptors
Chemokine Receptors
Glomerulonephritis
Kidney
Glomerular Basement Membrane
Wounds and Injuries
Chemotaxis
Inbred C57BL Mouse
Chemokines
Young Adult
Immunization
Phenotype
Messenger RNA

Keywords

  • Animal model
  • Immune system
  • Immunosenescence
  • Kidney/renal

ASJC Scopus subject areas

  • Aging
  • Geriatrics and Gerontology

Cite this

Attenuated macrophage infiltration in glomeruli of aged miceresultinginamelioratedkidneyinjuryinnephrotoxic serum nephritis. / Kaneko, Yoshikatsu; Cho, Takamasa; Sato, Yuya; Goto, Kei; Yamamoto, Suguru; Goto, Shin; Madaio, Michael P.; Narita, Ichiei.

In: Journals of Gerontology - Series A Biological Sciences and Medical Sciences, Vol. 73, No. 9, 01.01.2018, p. 1178-1186.

Research output: Contribution to journalArticle

Kaneko, Yoshikatsu ; Cho, Takamasa ; Sato, Yuya ; Goto, Kei ; Yamamoto, Suguru ; Goto, Shin ; Madaio, Michael P. ; Narita, Ichiei. / Attenuated macrophage infiltration in glomeruli of aged miceresultinginamelioratedkidneyinjuryinnephrotoxic serum nephritis. In: Journals of Gerontology - Series A Biological Sciences and Medical Sciences. 2018 ; Vol. 73, No. 9. pp. 1178-1186.
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