Target intelligence / Profile preview

Bone Hydroxyapatite (HA)

Target
HA
Molecular classification
Mineral, Inorganic compound, Bone matrix component
01

Overview

Bone hydroxyapatite is the primary mineral component of bone, providing structural support and serving as a reservoir for calcium and phosphate ions. It undergoes dynamic remodeling in response to physiological and pathological stimuli. In diseases like osteoporosis and bone metastasis, the normal deposition and resorption of hydroxyapatite are disrupted, leading to altered bone structure and function. It is a target for diagnostic imaging and therapeutic interventions like bisphosphonates, which bind to hydroxyapatite to inhibit osteoclast activity.

Other names
HydroxyapatiteHACalcium phosphateBone mineral
02

Mechanism of action

Bisphosphonates bind to hydroxyapatite, inhibiting osteoclast activity.

03

Biological functions

Structural supportCalcium reservoirPhosphate reservoirBone remodelingBone regeneration
04

Disease associations

OsteoporosisBone metastasisFracture healingOsteomalaciaRenal osteodystrophy
05

Safety considerations

Bisphosphonate-related osteonecrosis of the jaw (BRONJ)Atypical femur fractures (AFFs)Hypocalcemia
06

Interacting drugs

Bisphosphonates

3 more in the full profile.

07

Biomarkers

Bone mineral density (BMD)Serum calciumSerum phosphateMarkers of bone turnover (e.g., P1NP, CTX)

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