ArticleJournal of clinical and experimental hematopathology : JCEH2024
Age-associated reduction of sinus macrophages in human mesenteric lymph nodes.
Article in Journal of clinical and experimental hematopathology : JCEH, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Aging-Related Morphological Change in Regional Lymph Nodes Promote an Immunosuppressive Microenvironment in Colorectal Cancer.Acta histochemica et cytochemica · 2026Article
- CD169-positive macrophages in lymph nodes and the tumor microenvironment: harnessing their biology for clinical diagnosis and anticancer therapeutic strategies.Frontiers in immunology · 2026Review
- Aging potentially reduces CD169 expression in sinus macrophages of pelvic lymph nodes.Medical molecular morphology · 2025Article
- Analysis of CD1a-Positive Monocyte-Derived Cells in the Regional Lymph Nodes of Patients with Gallbladder Cancer.International journal of molecular sciences · 2024Article
- Anticancer immune reaction and lymph node sinus macrophages: a review from human and animal studies.Journal of clinical and experimental hematopathology : JCEH · 2024Review
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Authors and funding
11 authors.
Funding
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Abstract
There are numerous macrophages and dendritic cells in lymph nodes (LNs). Recent studies have highlighted that sinus macrophages (SMs) in LNs possess antigen-presenting capabilities and are related to anti-cancer immune responses. In this study, we assessed the distribution of SMs in mesenteric LNs removed during surgery for colorectal cancer. A marked reduction of SMs was noted in elderly patients, particularly those over 80 years old. We observed a disappearance of CD169-positive cells in LNs where SMs were reduced. In silico analysis of publicly available single-cell RNA sequencing data from LNs revealed that CD169-positive macrophages express numerous genes associated with antigen presentation and lymphocyte proliferation, similar to dendritic cells' functions. In conclusion, our study demonstrates that SMs, potentially crucial for immune activation, diminish in the LNs of elderly patients. This reduction of SMs may contribute to the immune dysfunction observed in the elderly.
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