The osteocyte as a signaling cell

J Delgado-Calle, T Bellido - Physiological reviews, 2022 - journals.physiology.org
Osteocytes, former osteoblasts encapsulated by mineralized bone matrix, are far from being
passive and metabolically inactive bone cells. Instead, osteocytes are multifunctional and …

The gut-bone axis: how bacterial metabolites bridge the distance

MM Zaiss, RM Jones, G Schett… - The Journal of clinical …, 2019 - Am Soc Clin Investig
The gut microbiome is a key regulator of bone health that affects postnatal skeletal
development and skeletal involution. Alterations in microbiota composition and host …

Role and mechanism of action of sclerostin in bone

J Delgado-Calle, AY Sato, T Bellido - Bone, 2017 - Elsevier
After discovering that lack of Sost/sclerostin expression is the cause of the high bone mass
human syndromes Van Buchem disease and sclerosteosis, extensive animal …

WNT signaling in bone homeostasis and disease: from human mutations to treatments

R Baron, M Kneissel - Nature medicine, 2013 - nature.com
Low bone mass and strength lead to fragility fractures, for example, in elderly individuals
affected by osteoporosis or children with osteogenesis imperfecta. A decade ago, rare …

The osteocyte: an endocrine cell… and more

SL Dallas, M Prideaux, LF Bonewald - Endocrine reviews, 2013 - academic.oup.com
Few investigators think of bone as an endocrine gland, even after the discovery that
osteocytes produce circulating fibroblast growth factor 23 that targets the kidney and …

Regulation of bone remodeling by parathyroid hormone

MN Wein, HM Kronenberg - Cold Spring …, 2018 - perspectivesinmedicine.cshlp.org
Parathyroid hormone (PTH) exerts profound effects on skeletal homeostasis through
multiple cellular and molecular mechanisms. Continuous hyperparathyroidism causes net …

Sclerostin stimulates osteocyte support of osteoclast activity by a RANKL-dependent pathway

AR Wijenayaka, M Kogawa, HP Lim, LF Bonewald… - PloS one, 2011 - journals.plos.org
Sclerostin is a product of mature osteocytes embedded in mineralised bone and is a
negative regulator of bone mass and osteoblast differentiation. While evidence suggests that …

The Wnt inhibitor sclerostin is up-regulated by mechanical unloading in osteocytes in vitro

JM Spatz, MN Wein, JH Gooi, Y Qu, JL Garr… - Journal of Biological …, 2015 - ASBMB
Although bone responds to its mechanical environment, the cellular and molecular
mechanisms underlying the response of the skeleton to mechanical unloading are not …

Emerging insights into the comparative effectiveness of anabolic therapies for osteoporosis

EG Estell, CJ Rosen - Nature Reviews Endocrinology, 2021 - nature.com
Over the past three decades, the mainstay of treatment for osteoporosis has been
antiresorptive agents (such as bisphosphonates), which have been effective with continued …

Sclerostin and Dickkopf-1 as therapeutic targets in bone diseases

HZ Ke, WG Richards, X Li, MS Ominsky - Endocrine reviews, 2012 - academic.oup.com
The processes of bone growth, modeling, and remodeling determine the structure, mass,
and biomechanical properties of the skeleton. Dysregulated bone resorption or bone …