Direct activation of PI3K in osteoblasts and osteocytes strengthens murine bone through sex-specific actions on cortical surfaces

NKY Wee, NE McGregor, EC Walker…�- Journal of Bone and�…, 2024 - academic.oup.com
Abstract Intracellular phosphoinositide 3-kinase (PI3K) signaling is activated by multiple
bone-active receptors. Genetic mutations activating PI3K signaling are associated with�…

[HTML][HTML] New insights into osteoblasts and their role in bone formation: the central role of PI3Kinase

AR Guntur, CJ Rosen�- The Journal of endocrinology, 2011 - ncbi.nlm.nih.gov
Studies on bone development, formation and turnover have grown exponentially over the
last decade in part because of the utility of genetic models. One area that has received�…

[HTML][HTML] Loss of phosphatidylinositol-4-phosphate 5-kinase type-1 gamma (Pip5k1c) in mesenchymal stem cells leads to osteopenia by impairing bone remodeling

Q Yan, H Gao, Q Yao, K Ling, G Xiao�- Journal of Biological Chemistry, 2022 - ASBMB
Phosphatidylinositol-4-phosphate 5-kinase type-1 gamma (Pip5k1c) is a lipid kinase that
plays a pivotal role in the regulation of receptor-mediated calcium signaling in multiple�…

[HTML][HTML] Type I Phosphotidylinosotol 4-Phosphate 5-Kinase γ Regulates Osteoclasts in a Bifunctional Manner*[S]

T Zhu, JC Chappel, FF Hsu, J Turk, R Aurora…�- Journal of Biological�…, 2013 - ASBMB
Type 1 phosphotidylinosotol-4 phosphate 5 kinase γ (PIP5KIγ) is central to generation of
phosphotidylinosotol (4, 5) P 2 (PI (4, 5) P 2). PIP5KIγ also participates in cytoskeletal�…

Inactivation of Pten in Osteo‐Chondroprogenitor Cells Leads to Epiphyseal Growth Plate Abnormalities and Skeletal Overgrowth

AF Ford‐Hutchinson, Z Ali, SE Lines…�- Journal of Bone and�…, 2007 - academic.oup.com
To study the role of the Pten tumor suppressor in skeletogenesis, we generated mice lacking
this key phosphatidylinositol 3′‐kinase pathway regulator in their osteo�…

[HTML][HTML] Effects of isoform-selective phosphatidylinositol 3-kinase inhibitors on osteoclasts: actions on cytoskeletal organization, survival, and resorption

RPP Shugg, A Thomson, N Tanabe…�- Journal of Biological�…, 2013 - ASBMB
Phosphatidylinositol 3-kinases (PI3K) participate in numerous signaling pathways, and
control distinct biological functions. Studies using pan-PI3K inhibitors suggest roles for PI3K�…

Pten knockout in mouse preosteoblasts leads to changes in bone turnover and strength

J Lorenz, S Richter, AS Kirstein, F Kolbig, M Nebe…�- JBMR plus, 2024 - academic.oup.com
Bone development and remodeling are controlled by the phosphoinositide-3-kinase (Pi3k)
signaling pathway. We investigated the effects of downregulation of phosphatase and tensin�…

The expanding role of PI3-kinase in bone

LH Golden, KL Insogna�- Bone, 2004 - Elsevier
Phosphatidylinositol-3-kinases (PI3-Ks) play an important role in signal transduction and
have been implicated in mediating a broad range of cellular responses. There are three�…

[HTML][HTML] A specific role for phosphoinositide 3-kinase and AKT in osteoblasts?

IM McGonnell, AE Grigoriadis, EWF Lam…�- Frontiers in�…, 2012 - frontiersin.org
The phosphoinositide 3-kinase and AKT (protein kinase B) signaling pathway (PI3K/AKT)
plays a central role in the control of cell survival, growth, and proliferation throughout the�…

Lifelong accumulation of bone in mice lacking Pten in osteoblasts

X Liu, KJ Bruxvoort, CR Zylstra, J Liu…�- Proceedings of the�…, 2007 - National Acad Sciences
Bone formation is carried out by the osteoblast, a mesenchymal cell whose lifespan and
activity are regulated by growth factor signaling networks. Growth factors activate�…