Royal Society Open Science· 2026Q1
Recent advances in protein extraction methods from bone tissue for proteomics analysis
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- 2026year
Short summary
A new protocol for protein extraction from demineralized bone tissue identified 1429 known proteins and 138 uncharacterized proteins in Rattus norvegicus, revealing bone metabolism-associated signaling pathways.
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Key points
- A standardized protocol for protein extraction from demineralized bone tissue was established.
- The method identified 1429 known and 138 uncharacterized proteins in Rattus norvegicus.
- Signaling pathways associated with bone metabolism were detected.
- The protocol is adaptable for different species and bone types.
AI-generated from the title and abstract; the full text is not read.
Abstract
Abstract Proteomic analysis is a fundamental tool for obtaining new information about biological functions that occur at the molecular level in the body, allowing the understanding of physiological and pathological processes, as well as contributing to the diagnosis and prevention of diseases. However, a critical step for the success of these analyses is the protein extraction from the tissue of interest, with well-described and reproducible protocols still scarce in the current literature, especially for bone tissues. Therefore, the main objective of this study was to present a reliable and standardized methodology for protein extraction from hard tissue samples. The methodology employed was based on an extraction protocol using demineralized bone tissue, with more detailed experimental parameters such as incubation times, temperatures and sample storage conditions. As a result, 1429 proteins previously described for the species Rattus norvegicus were identified, along with 138 uncharacterized proteins and the detection of signalling pathways strongly associated with bone metabolism. The proposed protocol has the potential for adaptation to different experimental contexts, being adjustable for various species and types of bone, considering variations in density, degree of mineralization and structural characteristics of the analysed tissue.
The authors' abstract, as published at the source. Royal Society Open Science, 2026 · DOI ↗
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Field: Spectroscopy
SpectroscopyChemistry