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면역 미생물 공생 연구단
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Functional and Homeostatic impact of Age-Related Changes in Lymph node Stroma

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Title
Functional and Homeostatic impact of Age-Related Changes in Lymph node Stroma
Author(s)
Heather L. Thompson; Megan J. Smithey; Charles D. Surh; Janko Nikolich-Žugich
Publication Date
2017-06
Journal
FRONTIERS IN IMMUNOLOGY, v.8, no., pp.706 -
Publisher
FRONTIERS MEDIA SA
Abstract
Adults over 65 years of age are more vulnerable to infectious disease and show poor responses to vaccination relative to those under 50. A complex set of age-related changes in the immune system is believed to be largely responsible for these defects. These changes, collectively termed immune senescence, encompass alterations in both the innate and adaptive immune systems, in the microenvironments where immune cells develop or reside, and in soluble factors that guide immune homeostasis and function. While age-related changes in primary lymphoid organs (bone marrow, and, in particular, the thymus, which involutes in the first third of life) have been long appreciated, changes affecting aging secondary lymphoid organs, and, in particular, aging lymph nodes (LNs) have been less well characterized. Over the last 20 years, LN stromal cells have emerged as key players in maintaining LN morphology and immune homeostasis, as well as in coordinating immune responses to pathogens. Here, we review recent progress in understanding the contributions of LN stromal cells to immune senescence. We discuss approaches to understand the mechanisms behind the decline in LN stromal cells and conclude by considering potential strategies to rejuvenate aging LN stroma to improve immune homeostasis, immune responses, and vaccine efficacy in the elderly. © 2017 Thompson, Smithey, Surh and Nikolich-Žugich. This is an open-access article distributed under the terms of the Creative Commons Attribution License(CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
URI
http://pr.ibs.re.kr/handle/8788114/4177
DOI
10.3389/fimmu.2017.00706
ISSN
1664-3224
Appears in Collections:
Academy of Immunology and Microbiology(면역 미생물 공생 연구단) > Journal Papers (저널논문)
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