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Updated: Jun 12, 2026

Human Dupuytren's Ex Vivo Culture for the Study of Myofibroblasts and Extracellular Matrix Interactions
Published on: April 18, 2015
Myofibroblasts and capsular tissue tension in breast capsular contracture
Kun Hwang1, Hyung Bo Sim, Fan Huan
1Department of Plastic Surgery, Center for Advanced Medical Education by the BK21 Project, Inha University School of Medicine, Jung-gu, Incheon, Korea. jokerhg@inha.ac.kr
Breast implant capsules with higher tensile strength correlate with increased capsular contracture. Myofibroblast presence may indicate active wound healing in breast augmentation complications.
Area of Science:
- Plastic Surgery
- Biomaterials Science
- Wound Healing Research
Background:
- Capsular contracture is a common complication following aesthetic breast augmentation.
- Understanding the biomechanical properties of breast implant capsules is crucial for improving patient outcomes.
Purpose of the Study:
- To investigate the relationship between myofibroblast presence, capsule tensile strength, and the severity of breast capsular contracture.
- To elucidate the role of myofibroblasts in the pathogenesis of capsular contracture.
Main Methods:
- Tissue specimens from 31 capsular contractures were analyzed.
- Tensile strength of capsular tissues was measured using a tensiometer.
- Myofibroblast presence was quantified via alpha-smooth muscle actin immunostaining.
Main Results:
- Myofibroblasts were detected in 71% of specimens, primarily in the outer capsule layer.
- Capsule tensile strength increased with the grade of contracture, significantly higher in grade 4.
- A positive correlation was observed between capsule tensile strength and contracture severity (p=0.029).
Conclusions:
- Capsule tensile strength is a significant indicator of breast capsular contracture severity.
- Myofibroblasts likely play a role in the active phase of wound contraction, diminishing as the capsule matures.
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