Osteoimmunology and the effects of the immune system on bone

H Takayanagi - Nature Reviews Rheumatology, 2009 - nature.com
In the pathogenesis of bone destruction associated with rheumatoid arthritis, the synovium is
a site of active interplay between immune and bone cells. The interaction between T cells …

Ca2+‐NFATc1 signaling is an essential axis of osteoclast differentiation

T Negishi‐Koga, H Takayanagi - Immunological reviews, 2009 - Wiley Online Library
Osteoclasts are unique, multinucleated giant cells that decalcify and degrade the bone
matrix. They originate from hematopoietic cells and their differentiation is dependent on a …

Coordination of PGC-1β and iron uptake in mitochondrial biogenesis and osteoclast activation

K Ishii, T Fumoto, K Iwai, S Takeshita, M Ito… - Nature medicine, 2009 - nature.com
Osteoclasts are acid-secreting polykaryons that have high energy demands and contain
abundant mitochondria. How mitochondrial biogenesis is integrated with osteoclast …

Local communication on and within bone controls bone remodeling

K Henriksen, AV Neutzsky-Wulff, LF Bonewald… - Bone, 2009 - Elsevier
Bone remodeling is required for healthy calcium homeostasis and for repair of damage
occurring with stress and age. Osteoclasts resorb bone and osteoblasts form bone. These …

Osteoclasts have multiple roles in bone in addition to bone resorption

B Boyce, Z Yao, L Xing - Critical Reviews™ in Eukaryotic Gene …, 2009 - dl.begellhouse.com
Osteoclasts are the cells that degrade bone to initiate normal bone remodeling and mediate
bone loss in pathologic conditions by increasing their resorptive activity. They are derived …

Osteoimmunology: crosstalk between the immune and bone systems

T Nakashima, H Takayanagi - Journal of clinical immunology, 2009 - Springer
Introduction The interaction between the immune and skeletal systems has long been
acknowledged, but investigation into rheumatoid arthritis (RA) as well as the various bone …

Cross-regulation of signaling by ITAM-associated receptors

LB Ivashkiv - Nature immunology, 2009 - nature.com
An important function of receptors that signal through immunoreceptor tyrosine-based
activation motifs (ITAMs) is to regulate signaling by heterologous receptors. This review …

Inhibition of RANK expression and osteoclastogenesis by TLRs and IFN-γ in human osteoclast precursors

JD Ji, KH Park-Min, Z Shen, RJ Fajardo… - The Journal of …, 2009 - journals.aai.org
TLRs have been implicated in promoting osteoclast-mediated bone resorption associated
with inflammatory conditions. TLRs also activate homeostatic mechanisms that suppress …

Osteoimmunology—the hidden immune regulation of bone

J Caetano-Lopes, H Canhao, JE Fonseca - Autoimmunity reviews, 2009 - Elsevier
Osteoimmunology is an emerging field of research dedicated to the investigation of the
interactions between the immune and skeletal systems. These interactions are not only …

GM-CSF regulates fusion of mononuclear osteoclasts into bone-resorbing osteoclasts by activating the Ras/ERK pathway

MS Lee, HS Kim, JT Yeon, SW Choi… - The Journal of …, 2009 - journals.aai.org
Osteoclasts are multinucleated cells that are formed by the fusion of mononuclear
osteoclasts, which is an essential process in bone resorption leading to bone remodeling …