Technical discussion on the methodological and interpretative aspects of "mineralized extracellular matrix composite scaffold incorporated with salvianolic acid a enhances bone marrow mesenchymal stem cell osteogenesis and promotes calvarial bone regeneration"

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Title: Technical discussion on the methodological and interpretative aspects of "mineralized extracellular matrix composite scaffold incorporated with salvianolic acid a enhances bone marrow mesenchymal stem cell osteogenesis and promotes calvarial bone regeneration"
Authors: Silva, Luis F.O.1 (AUTHOR) lfsoacademico@gmail.com
Source: Biomaterials Advances. Jun2026, Vol. 183, pN.PAG-N.PAG. 1p.
Subjects: Extracellular matrix, Biomineralization, Salvia miltiorrhiza, Neovascularization, Calcium phosphate, Bone growth, Fourier transform infrared spectroscopy, X-ray powder diffraction
Abstract: • The term "mineralised extracellular matrix" is used without adequate crystallographic or nanoscale validation of true mineral phases. • Reported calcium phosphate deposition is consistent with ion adsorption or amorphous surface coatings, not true mineralisation. • Lack of intrafibrillar mineralisation and lattice-resolved imaging precludes claims of bone-like mineral architecture. • Qualitative XRD and FTIR data alone cannot establish crystallinity, phase purity, or mineral maturation pathways. • Osteogenic and angiogenic effects are confounded by scaffold properties, ion release, and salvianolic acid A bioactivity. • Crystallographic validation and mechanistic deconvolution are essential for accurate terminology and reproducibility. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
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Abstract:• The term "mineralised extracellular matrix" is used without adequate crystallographic or nanoscale validation of true mineral phases. • Reported calcium phosphate deposition is consistent with ion adsorption or amorphous surface coatings, not true mineralisation. • Lack of intrafibrillar mineralisation and lattice-resolved imaging precludes claims of bone-like mineral architecture. • Qualitative XRD and FTIR data alone cannot establish crystallinity, phase purity, or mineral maturation pathways. • Osteogenic and angiogenic effects are confounded by scaffold properties, ion release, and salvianolic acid A bioactivity. • Crystallographic validation and mechanistic deconvolution are essential for accurate terminology and reproducibility. [ABSTRACT FROM AUTHOR]
ISSN:27729516
DOI:10.1016/j.bioadv.2026.214756