Fine-tuned ATP signals are acute mediators in osteocyte mechanotransduction

TM Kringelbach, D Aslan, I Novak, M Ellegaard… - Cellular signalling, 2015 - Elsevier
Osteocytes are considered the primary mechanosensors of bone, but the signaling
pathways they apply in mechanotransduction are still incompletely investigated and …

UTP-induced ATP release is a fine-tuned signalling pathway in osteocytes

TM Kringelbach, D Aslan, I Novak, P Schwarz… - Purinergic …, 2014 - Springer
Osteocytes reside as a cellular network throughout the mineralised matrix of bone and are
considered the primary mechanosensors of this tissue. They sense mechanical stimulation …

Mechanosensitivity and mechanotransductive properties of osteoclasts

C Dsouza, SV Komarova - American Journal of Physiology …, 2024 - journals.physiology.org
Mechanical loading is essential for maintaining bone health. Here, we aimed to investigate
the role of ATP and ADP in the mechanotransduction of bone-resorptive osteoclasts. Single …

Intercellular calcium signaling occurs between human osteoblasts and osteoclasts and requires activation of osteoclast P2X7 receptors

NR Jørgensen, Z Henriksen, OH Sørensen… - Journal of Biological …, 2002 - ASBMB
Signaling between osteoblasts and osteoclasts is important in bone homeostasis. We
previously showed that human osteoblasts propagate intercellular calcium signals via two …

Autocrine/paracrine stimulation of purinergic receptors in osteoblasts: contribution of vesicular ATP release

M Romanello, A Codognotto, M Bicego, A Pines… - Biochemical and …, 2005 - Elsevier
Extracellular nucleotides such as ATP and UTP are released in response to mechanical
stimulation in different cell systems. It is becoming increasingly evident that ATP release …

Fluid shear‐induced ATP secretion mediates prostaglandin release in MC3T3‐E1 osteoblasts

DC Genetos, DJ Geist, D Liu… - Journal of Bone and …, 2005 - academic.oup.com
ATP is rapidly released from osteoblasts in response to mechanical load. We examined the
mechanisms involved in this release and established that shear‐induced ATP release was …

High-affinity P2Y2 and low-affinity P2X7 receptor interaction modulates ATP-mediated calcium signaling in murine osteoblasts

N Mikolajewicz, D Smith, SV Komarova… - PLoS Computational …, 2021 - journals.plos.org
The P2 purinergic receptor family implicated in many physiological processes, including
neurotransmission, mechanical adaptation and inflammation, consists of ATP-gated non …

The P2X7 nucleotide receptor mediates skeletal mechanotransduction

J Li, D Liu, HZ Ke, RL Duncan, CH Turner - Journal of Biological Chemistry, 2005 - ASBMB
The P2X 7 nucleotide receptor (P2X 7 R) is an ATP-gated ion channel expressed in many
cell types including osteoblasts and osteocytes. Mice with a null mutation of P2X 7 R have …

P2Y2 receptors regulate osteoblast mechanosensitivity during fluid flow

J Gardinier, W Yang, GR Madden… - … of Physiology-Cell …, 2014 - journals.physiology.org
Mechanical stimulation of osteoblasts activates many cellular mechanisms including the
release of ATP. Binding of ATP to purinergic receptors is key to load-induced osteogenesis …

Purinergic signaling through the P2Y2 receptor regulates osteocytes' mechanosensitivity

A Chougule, C Zhang, N Vinokurov, D Mendez… - Journal of Cell …, 2024 - rupress.org
Osteocytes' response to dynamic loading plays a crucial role in regulating the bone mass
but quickly becomes saturated such that downstream induction of bone formation plateaus …