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Femoral Bone Marrow Aspiration in Live Mice
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Bone Marrow Stem Cell Population in Single- and Multiple-Level Aspiration.

Xiangguo Che1, Hee-June Kim2, Xian Jin1

  • 1Department of Biochemistry and Cell Biology, Cell and Matrix Research Institute, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea.

Biomedicines
|January 8, 2025
PubMed
Summary
This summary is machine-generated.

A single-level bone marrow aspiration technique from the anterior iliac crest yields higher mesenchymal stem cell (MSC) populations with superior osteogenic potential compared to multi-level aspirations, optimizing regenerative therapy yields.

Keywords:
bone marrow aspiration concentratemesenchymal stem cellsmultiple levelsmusculoskeletal injuriessingle level

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Area of Science:

  • Orthopedics
  • Regenerative Medicine
  • Stem Cell Biology

Background:

  • Bone marrow aspiration concentrate (BMAC) shows promise for musculoskeletal injury healing.
  • The anterior iliac crest is a common harvest site, but optimal aspiration techniques for mesenchymal stem cells (MSCs) are debated.
  • This study compares single-level versus multiple-level aspiration techniques at the anterior iliac crest.

Purpose of the Study:

  • To compare the efficacy of single-level versus multiple-level bone marrow aspiration techniques.
  • To determine which technique yields a higher prevalence and quality of MSCs.
  • To evaluate the osteogenic differentiation potential of MSCs obtained from each technique.

Main Methods:

  • Seven adult patients underwent bone marrow aspiration from the anterior iliac crest using a standardized needle.
  • Bone marrow was aspirated from a single level (7 cm depth) and multiple levels (1 cm intervals) on contralateral sides.
  • Samples were analyzed using fluorescence-activated cell sorting (FACS) for MSC markers and assessed for osteoblast differentiation capacity.

Main Results:

  • The single-level aspiration technique resulted in a higher population of MSCs (CD105+, CD73+, CD90+, CD34-).
  • MSCs from the single-level aspiration demonstrated enhanced osteoblast differentiation capabilities.
  • The multiple-level technique yielded a lower prevalence of desired MSC populations.

Conclusions:

  • Single-level bone marrow aspiration from the anterior iliac crest can yield high-quality bone marrow aspirates.
  • This technique may be superior for obtaining MSCs with desired characteristics for regenerative therapies.
  • Optimizing aspiration technique is crucial for maximizing the therapeutic potential of BMAC.