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논문 기본 정보

자료유형
학술저널
저자정보
Christopherson Gregory T. (Musculoskeletal and Skin Disease National Institutes of Health) de Vasconcellos Jaira F. (Department of Surgery Uniformed Services University of Health Sciences) Dunn John C. (Department of Surgery Uniformed Services University of Health Sciences) Griffin Daniel W. (Walter Reed National Military Medical Center) Jones Patrick E. (Walter Reed National Military Medical Center) Nesti Leon J. (Department of Surgery Uniformed Services University of Health Sciences)
저널정보
한국조직공학과 재생의학회 조직공학과 재생의학 조직공학과 재생의학 제18권 제6호
발행연도
2021.12
수록면
963 - 973 (11page)
DOI
10.1007/s13770-021-00355-y

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BACKGROUND: The development of post-traumatic heterotopic ossification (HO) is a common, undesirable sequela in patients with high-energy (war-related) extremity injuries. While inflammatory and osteoinductive signaling pathways are known to be involved in the development and progression of post-traumatic HO, features of the structural microenvironment within which the ectopic bone begins to form remain poorly understood. Thus, increasing our knowledge of molecular and structural changes within the healing wound may help elucidate the pathogenesis of post-traumatic HO and aid in the development of specific treatment and/or prevention strategies. METHODS: In this study, we performed high-resolution microscopy and biochemical analysis of tissues obtained from traumatic war wounds to characterize changes in the structural microenvironment. In addition, using an electrospinning approach, we modeled this microenvironment to reconstitute a three-dimensional type I collagen scaffold with non-woven, randomly oriented nanofibers where we evaluated the performance of primary mesenchymal progenitor cells. RESULTS: We found that traumatic war wounds are characterized by a disorganized, densely fibrotic collagen I matrix that influences progenitor cells adhesion, proliferation and osteogenic differentiation potential. CONCLUSION: Altogether, these results suggest that the structural microenvironment present in traumatic war wounds has the potential to contribute to the development of post-traumatic HO. Our findings may support novel treatment strategies directed towards modifying the structural microenvironment after traumatic injury.

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