تسریع التیام شکستگی با استفاده از پودر لیوفیلیزه L-PRF زنوژنیک (اسب) در ترمیم استخوان در مدل حیوانی موش صحرایی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 بخش جراحی و رادیولوژی دانشکده دامپزشکی دانشگاه شیراز

2 بخش پاتوبیولوژی دانشکده دامپزشکی دانشگاه شیراز

چکیده

چکیده:
مقدمه: ضایعات استخوانی ناشی از تروما، موقعیت های پاتولوژیک، یا مداخلات جراحی اغلب نیازمند راهکارهای پیشرفته ترمیمی هستند، خصوصا زمانی که بدن به خودی خود قادر به ترمیم ضایعه بحرانی استخوان نمی‌باشد. در میان فاکتورهای ترمیمی، فیبرین غنی از پلاکت و لوکوسیت (L-PRF) به دلیل خاصیت ترمیم استخوان آن در هر دو فرم خودی و غیر خودی مورد توجه ویژه ای قرار گرفته است.
مواد و روش‌ها: برای بررسی L-PRF لیوفیلیزه گرفته شده از خون اسب، از موش های صحرایی نر بالغ استفاده شد. موش ها به ۴ گروه تقسیم شدند که در یکسری از گروه ها بر روی ضایعه ای که در استخوان زند زبرین ایجاد شده بود، بافت خودی استخوان قرار گرفت. L-PRF از خون اسب تهیه شد و بعد از لیوفیلیزه کردن در ناحیه ضایعه قرار داده شد. سپس روند ترمیم استخوان بوسیله رادیولوژی و هیستوپاتولوژی بررسی شد و مورد تحلیل آماری قرار گرفت.
نتایج و بحث: تفسیرهای رادیوگرافی و هیستوپاتولوژی نشان دادند که گروه اتوگرافت+ L-PRF بیشترین میزان ترمیم استخوان، با بالاترین امتیاز Lane and sandhu، را داشته است. این گروه در مقایسه با گروه L-PRF و گروه خالی پیشرفت بیشتری در تبدیل بافت غضروفی به استخوانی داشته است. گروه اتوگرافت نیز نسبت به گروه L-PRF برتری مشخصی داشت. در این تحقیق گروه خالی نتوانست بافت استخوانی مورد نیاز برای ترمیم ضایعه را تشکیل دهد و تنها بافت پیوندی تشکیل شد. بدین ترتیب اثر هم افزایی L-PRF با گرافت خودی استخوان به خوبی مشخص شد.
نتیجه‌گیری: در این مطالعه L-PRF به دست آمده از خون اسب خصوصا در موارد همراهی با اتوگرافت خودی، تاثیر قابل توجهی در ترمیم ضایعات بحرانی استخوان زند زبرین در موش های صحرایی داشته است.

کلیدواژه‌ها

موضوعات

عنوان مقاله English

Bone Healing Enhancing with the Xenogenic (Horse) Lyophilized Leukocyte-and Platelet-Rich Fibrin (L-Prf) in Rat Animal Model

نویسندگان English

Sobhan Razavian 1
Amin Bigham-Sadegh 1
Ahmad Oryan 2
Aboutorab Tabatabaei Naeini 1
1 Department of Veterinary Surgery and Radiology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
2 Department of Pathology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
چکیده English

Abstract
Introduction: Bone defects resulting from trauma, pathological conditions, or surgical interventions often require advanced regenerative strategies, particularly when critical-sized defects exceed the body’s intrinsic healing capacity. Among various biomaterials, Leukocyte- and Platelet-Rich Fibrin (L-PRF) has gained significant attention for its autologous origin, bioactive properties, and potential application in both autologous and xenogenic forms to enhance bone regeneration.
Materials & Methods: Adult male Wistar rats were randomly divided to four experimental groups to evaluate the effects of equine-derived lyophilized L-PRF, with or without autologous bone grafts, on critical-sized radial bone defects. L-PRF was prepared from equine blood, lyophilized, and applied to the defect sites, with bone healing assessed via radiography and histopathology, and statistical differences among groups analyzed using non-parametric methods.
Results & Discussion: Radiographic and histopathological analyses demonstrated that the autograft + L-PRF group exhibited the most pronounced bone healing, with significantly higher Lane and Sandhu scores and evidence of progressive cartilage-to-bone formation compared to the L-PRF alone and empty defect groups. The autograft group also showed superior outcomes relative to L-PRF alone, while untreated defects displayed primarily fibrous tissue with no bone formation, highlighting the synergistic effect of combining L-PRF with autologous bone grafts.
Conclusion: In this study, xenogenic equine-derived L-PRF enhanced the repair of critical-sized radial bone defects in rats, with its combination with autografts yielding superior osteogenic outcomes compared to L-PRF alone.


کلیدواژه‌ها English

Histopathology Leukocyte-Platelet-Rich Fibrin (L-PRF)
Xenogenic L-PRF
Bone healing
Critical defect
Rat
Radiology
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