Target intelligence / Profile preview

Bone Hydroxyapatite Crystal (HAP)

Target
HAP
Molecular classification
Mineral, Inorganic crystal
01

Overview

Bone hydroxyapatite (HAP) is the primary mineral component of bone, responsible for its rigidity and mechanical strength. It is a naturally occurring form of calcium phosphate with the chemical formula Ca₁₀(PO₄)₆(OH)₂. HAP provides bones with compressive strength and supports osseointegration. It is a target for drugs like bisphosphonates and can be utilized for targeted drug delivery to bone tissue.

Other names
HydroxyapatiteCalcium phosphateBone mineral
02

Mechanism of action

Bisphosphonates bind to hydroxyapatite and inhibit osteoclast activity. Phytate binds to growth sites on hydroxyapatite crystals, inhibiting calcification.

03

Biological functions

Bone mineralizationCalcium reservoirOsseointegrationBone compressive strength
04

Disease associations

OsteoporosisBone metastasisCardiovascular calcificationDental cariesKidney stones
05

Safety considerations

Ectopic calcificationOver-suppression of bone turnover (with bisphosphonates)Potential for off-target effects in drug delivery
06

Interacting drugs

Bisphosphonates

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