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Updated: Sep 15, 2025

Protocol for Assessing the Relative Effects of Environment and Genetics on Antler and Body Growth for a Long-lived Cervid
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Optimizing protein yield from growing deer antlers.

Nicolás Alegría-Aravena1,2, María-Pilar López-Garrido3, Josefa Quiroz-Troncoso4

  • 1Instituto de Desarrollo Regional (IDR), Instituto de Recursos Cinegéticos (IREC) and Escuela Técnica Superior de Ingeniéros Agrónomos y Montes y Biotecnología (ETSIAMB), University of Castilla-La Mancha (UCLM), Albacete, Spain.

Frontiers in Bioengineering and Biotechnology
|July 14, 2025
PubMed
Summary

This study optimized protein extraction from deer antlers, finding lyophilization and water-based extraction effective for preserving bioactive compounds like insulin-like growth factor 1 (IGF-1). This method enhances biomedical research potential.

Keywords:
IGF-1biomedical applicationsdeer velvet antleroptimization methodprotein extraction

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Area of Science:

  • Biochemistry
  • Biomolecular Engineering

Background:

  • Deer antlers contain bioactive proteins and peptides with therapeutic potential, including anticancer and regenerative properties.
  • Efficient extraction of these biomolecules while maintaining their integrity is crucial but challenging.

Purpose of the Study:

  • To optimize protein extraction from growing deer antlers.
  • To identify the best methods for preserving protein integrity and bioactivity.

Main Methods:

  • Evaluated various liquid removal techniques, solvent choices, ratios, temperatures, and extraction times.
  • Lyophilization was used for sample preparation.
  • Insulin-like growth factor 1 (IGF-1) was quantified to assess extraction efficiency.

Main Results:

  • Lyophilization proved optimal for preserving protein integrity, especially in biologically active regions.
  • Water was the most effective solvent, with optimal extraction achieved at a 1:10 w/v ratio, 1-hour stirring at room temperature.
  • The optimized protocol successfully preserved bioactive proteins like IGF-1.

Conclusions:

  • A robust framework for extracting proteins from growing antlers was established.
  • The optimized method, utilizing lyophilization and water-based extraction, effectively preserves bioactive proteins for biomedical applications.