Ovariectomy activates chronic low‐grade inflammation mediated by memory T cells, which promotes osteoporosis in mice

A Cline‐Smith, A Axelbaum… - Journal of Bone and …, 2020 - academic.oup.com
The loss of estrogen (E2) initiates a rapid phase of bone loss leading to osteoporosis in one‐
half of postmenopausal women, but the mechanism is not fully understood. Here, we show …

Oxidative stress causes bone loss in estrogen-deficient mice through enhanced bone marrow dendritic cell activation

F Grassi, G Tell, M Robbie-Ryan… - Proceedings of the …, 2007 - National Acad Sciences
Increased production of tumor necrosis factor α (TNF) in the bone marrow (BM) in response
to both oxidative stress and T cell activation contributes to the bone loss induced by …

Premature T cell senescence in Ovx mice is inhibited by repletion of estrogen and medicarpin: a possible mechanism for alleviating bone loss

AM Tyagi, K Srivastava, J Kureel, A Kumar… - Osteoporosis …, 2012 - Springer
Presently the relationship between CD28, biological marker of senescence, and
ovariectomy is not well understood. We show that ovariectomy leads to CD28 loss on T cells …

Immune regulation of bone loss by T h17 cells in oestrogen‐deficient osteoporosis

R Zhao - European journal of clinical investigation, 2013 - Wiley Online Library
Background The role of T helper (Th) 17 cells in autoimmune diseases has been extensively
studied recently, but its function in oestrogen‐deficient osteoporosis remains undefined. This …

[HTML][HTML] From the gut to bone: connecting the gut microbiota with Th17 T lymphocytes and postmenopausal osteoporosis

J Lorenzo - The Journal of Clinical Investigation, 2021 - Am Soc Clin Investig
Osteoporosis is a serious clinical problem that often follows the accelerated bone loss that
occurs after the estrogen withdrawal of menopause. In order to better understand the …

A bone‐protective role for IL‐17 receptor signaling in ovariectomy‐induced bone loss

J Goswami, N Hernández‐Santos… - European journal of …, 2009 - Wiley Online Library
Post‐menopausal osteoporosis is considered to be an inflammatory process, in which
numerous pro‐inflammatory and T‐cell‐derived cytokines play a bone‐destructive role. IL …

[HTML][HTML] T-cell mediated inflammation in postmenopausal osteoporosis

D Wu, A Cline-Smith, E Shashkova, A Perla… - Frontiers in …, 2021 - frontiersin.org
Osteoporosis is the most prevalent metabolic bone disease that affects half the women in the
sixth and seventh decade of life. Osteoporosis is characterized by uncoupled bone …

[HTML][HTML] Interleukin 17A: a Janus-faced regulator of osteoporosis

JM Scheffler, L Grahnemo, C Engdahl, C Drevinge… - Scientific reports, 2020 - nature.com
Abstract Interleukin (IL)-17A is a well-described mediator of bone resorption in inflammatory
diseases, and postmenopausal osteoporosis is associated with increased serum levels of IL …

Estrogen prevents bone loss through transforming growth factor β signaling in T cells

Y Gao, WP Qian, K Dark, G Toraldo… - Proceedings of the …, 2004 - National Acad Sciences
Estrogen (E) deficiency leads to an expansion of the pool of tumor necrosis factor (TNF)-
producing T cells through an IFN-γ-dependent pathway that results in increased levels of the …

[HTML][HTML] Estrogen deficiency induces the differentiation of IL-17 secreting Th17 cells: a new candidate in the pathogenesis of osteoporosis

AM Tyagi, K Srivastava, MN Mansoori, R Trivedi… - 2012 - journals.plos.org
Th17 cells produce IL-17, and the latter promotes bone loss in collagen-induced arthritis in
mice. Blocking IL-17 action in mouse model of rheumatoid arthritis reduces disease …