ArticleScientific reports2024
Spatial control of perilacunar canalicular remodeling during lactation.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Intravital Depletion of Cholesterol Reduces Membrane Dynamics and Increases Mechanosensitivity in Osteocytes In Vivo.bioRxiv : the preprint server for biology · 2026Article
- Proteoglycan Dynamics and Bone Quality: Molecular Regulation to Age-Related Fragility.Biomolecules · 2026Review
- Enhancing synchrotron radiation micro-CT images using deep learning: an application of Noise2Inverse on bone imaging.Journal of synchrotron radiation · 2025Article
- Assessment of submicron bone tissue composition in plastic-embedded samples using optical photothermal infrared (O-PTIR) spectral imaging and machine learning.Journal of structural biology: X · 2024Article
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Authors and funding
6 authors.
Funding
Abstract
Osteocytes locally remodel their surrounding tissue through perilacunar canalicular remodeling (PLR). During lactation, osteocytes remove minerals to satisfy the metabolic demand, resulting in increased lacunar volume, quantifiable with synchrotron X-ray radiation micro-tomography (SRµCT). Although the effects of lactation on PLR are well-studied, it remains unclear whether PLR occurs uniformly throughout the bone and what mechanisms prevent PLR from undermining bone quality. We used SRµCT imaging to conduct an in-depth spatial analysis of the impact of lactation and osteocyte-intrinsic MMP13 deletion on PLR in murine bone. We found larger lacunae undergoing PLR are located near canals in the mid-cortex or endosteum. We show lactation-induced hypomineralization occurs 14 µm away from lacunar edges, past a hypermineralized barrier. Our findings reveal that osteocyte-intrinsic MMP13 is crucial for lactation-induced PLR near lacunae in the mid-cortex but not for whole-bone resorption. This research highlights the spatial control of PLR on mineral distribution during lactation.
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Registered trials
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