بررسی اثر زخم‌پوش مهندسی بافت شده حاوی یون مس در بهبود زخم تمام ضخامت موش کوچک

نوع مقاله : مقاله های پژوهشی

نویسندگان

1 استادیار، گروه مهندسی بافت، دانشکده‌ی فن‌آوری‌های نوین، دانشگاه علوم پزشکی شهرکرد، شهرکرد، ایران

2 استادیار، گروه طب اورژانس، دانشکده‌ی پزشکی، دانشگاه علوم پزشکی همدان، همدان، ایران

3 پزشک عمومی، دانشکده‌ی پزشکی، دانشگاه علوم پزشکی شهرکرد، شهرکرد، ایران

4 استادیار، گروه علوم تشریح، دانشکده‌ی پزشکی، دانشگاه علوم پزشکی شهرکرد، شهرکرد، ایران

5 استادیار، مرکز تحقیقات سلولی و مولکولی، پژوهشکده‌ی علوم پایه‌ی سلامت، دانشگاه علوم پزشکی شهرکرد، شهرکرد، ایران

چکیده

مقدمه: یکی از حیطه‌های مهندسی بافت، ساخت جایگزین‌ها و زخم‌پوش‌های پوستی است. از آن جایی که یون مس یکی از مهم‌ترین عوامل مورد نیاز در تولید ماتریکس خارج سلولی پوست است، در این تحقیق اثر زخم‌پوش کلاژن- ژلاتین- شیشه‌ی زیستی حاوی مس در تسریع روند بهبود زخم تمام ضخامت در موش بررسی شد.روش‌ها: این مطالعه بر روی 12 سر موش کوچک آزمایشگاهی در دو گروه انجام شد که بر پشت هر یک 2 زخم یکسان (با قطر ۵ میلی‌متر و تمام ضخامت) ایجاد گردید. یک زخم به عنوان شاهد بدون هیچ درمانی و زخم دیگر در یک گروه با زخم‌پوش کلاژن- ژلاتین- شیشه‌ی زیستی و در گروه دیگر با زخم‌پوش کلاژن- ژلاتین- شیشه‌ی زیستی حاوی مس پانسمان شد. 14 روز پس از ایجاد مدل زخم، میزان بهبودی ماکروسکوپی و میکروسکوپی (پس از بیوپسی با رنگ‌آمیزی هماتوکسیلین و ائوزین) بررسی شد.یافته‌ها: زخم‌پوش‌ها ساختاری متخلخل داشتند و زیست‌سازگار بودند و باعث بهبود ترمیم زخم تمام ضخامت موش گردیدند. میزان ترمیم در زخم‌پوش حاوی مس با گروه دیگر معنی‌دار بود (05/0 > P).نتیجه‌گیری: از آن جایی که زخم‌پوش زیست‌سازگار کلاژن- ژلاتین- شیشه‌ی زیستی حاوی مس به بهبود فرایند ترمیم زخم در مدل حیوانی (موش) منجر شده است، می‌تواند به عنوان راهبرد جدیدی در طراحی و ساخت زخم‌پوش با کاربرد انسانی پیشنهاد شود.

کلیدواژه‌ها


عنوان مقاله [English]

The Effect of Tissue-Engineered Wound Dressing Comprising Copper, on the Healing Process of Full-Thickness Wound in Mouse Model

نویسندگان [English]

  • Akram Alizadeh 1
  • Samiramis Pourmotabed 2
  • Golnaz Khorasanizadeh 3
  • Maryam Anjomshoa 4
  • Esmaeel Sharifi 5
1 Assistant Professor, Department of Tissue Engineering, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
2 Assistant Professor, Department of Emergency Medicine, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
3 General Practitioner, School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran
4 Assistant Professor, Department of Anatomical Sciences, School of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran
5 Assistant Professor, Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
چکیده [English]

Background: Production of skin dressings or substitutes is one of the most important tissue engineering fields. Since copper is an important agent in skin extracellular matrix synthesis, we investigated the effect of collagen-gelatin-bioglass scaffolds containing copper in accelerating the healing process of full-thickness skin wound in mouse model.Methods: We used 12 mice with two identical skin wounds on their back (with 5 mm diameter, circular, and full-thickness), one wound as control, second dressed with collagen-gelatin-bioglass scaffold, and third dressed with collagen-gelatin-bioglass scaffold containing copper. After 14 days, the wound healing process was analyzed using both macroscopic and microscopic (after hematoxylin and eosin staining) methods.Findings: The wound dressings had porous structure, and were biocompatible. They improved the healing process of full-thickness wound in mouse model. This process was statistically much better in the dressings comprising copper (P < 0.05).Conclusion: Since wounds dressed with collagen-gelatin-bioglass scaffold containing copper improved wound healing in animal models, it can be suggested as a new approach in design and synthesis of wound dressings for human.

کلیدواژه‌ها [English]

  • Wound dressing
  • Tissue engineering
  • Bioglass
  • Copper
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