Understanding Extracellular pH Effects on Bone Cell Functions in Acid-Base Balance
This article explores the critical relationship between extracellular pH levels and the function of bone cells, particularly osteoblasts and osteoclasts. It examines how deviations in pH, specifically below 7.0 and above 7.4, can lead to conditions such as blood acidosis and impact bone health. The influence on mineralization, bone loss, and net bone formation is emphasized. The study highlights the significance of maintaining normal pH levels for optimal osteoblast activity and mineralization processes critical for bone maintenance and overall skeletal integrity.
Understanding Extracellular pH Effects on Bone Cell Functions in Acid-Base Balance
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Presentation Transcript
pH 7.0 pH 7.0 pH 7.4 pH 7.2 pH 7.2 N O R M A L T I S S S U E S B L O O D A C I D O S I S N O R M A L T I S S S U E S B L O O D A C I D O S I S T I S S S U E A C I D O S I S T I S S S U E A C I D O S I S B L O O D osteoblasts osteoblasts osteoblasts bone loss, no mineralisation bone loss, no mineralisation bone loss, no mineralisation net bone formation bone maintenance net bone formation net bone formation bone maintenance bone maintenance Ca2+ PO43- OH- Ca2+ PO43- OH- Ca2+ PO43- OH- Ca2+ PO43- OH- Ca2+ PO43- OH- Ca2+ PO43- OH- osteoclasts osteoclasts osteoclasts active osteoblasts mineralised bone matrix unmineralised bone matrix pre-existing bone inactive osteoclast active osteoclast Extracellular pH and bone cell function
