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Teeth May Reveal a Rare Bone Disorder Before Other Symptoms Do
Key Takeaways
- University of Osaka researchers created knock-in mouse models carrying three ALPL gene variants found in patients with hypophosphatasia.
- Two milder models showed reduced bone density around teeth and weaker tooth-anchoring tissues even when skeletal changes were minimal.
- The p.R184W variant produced dental defects with little skeletal change, while c.1559delT and p.F327L caused broader dental damage plus mild skeletal effects.
- Blood levels of the enzyme TNAP alone could not explain differences in dental symptoms, suggesting the specific variant matters.
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DT Editorial Team··via medicalxpress.com