مقایسه‌ی اثر پلاسماهای غنی از فیبرین پیشرفته با لکوسیت‌دار در میزان چسبندگی فیبروبلاستی روی غشای کلاژنی

نوع مقاله : مقاله‌های پژوهشی

چکیده

مقدمه: حضور فاکتورهای رشدی و سایتوکین‌ها در پلاکت‌ها، نقش کلیدی در التهاب و ترمیم زخم‌ها دارند. از این‌رو Advanced-platelet rich fibrin و Leukocyte-platelet rich fibrin  به عنوان محصولات پلاکتی در درمان‌های پریودنتال مورد استفاده قرار می‌گیرند. این مطالعه با هدف مقایسه‌ی اثر L-PRF و A-PRF بر روی میزان چسبندگی فیبروبلاست‌های لثه‌ای بر روی غشای کلاژنی انجام شد.
‎مواد و روش‌ها: در این مطالعه‌ی تجربی- آزمایشگاهی (in vitro) که در زمستان 1399 در مرکز ذخایر ژنتیکی ایران انجام شد، غشاء به پنج قطعه 5×5 میلی‌متری تبدیل و در ته چاهک یک محیط کشت 5 چاهکی قرار داده شد. یک میلی‌لیتر A-PRF به دو چاهک و به دو چاهک دیگر نیز حجم وزنی مشابه A-PRF، از ماده‌ی L-PRF اضافه گردید. به طور کلی در مطالعه، 5 گروه اصلی (4 گروه آزمون و یک گروه شاهد) در نظر گرفته شد و در هر گروه، 6 نمونه و در مجموع 30 نمونه جهت تصویربرداری انتخاب گردید. به هر کدام از گروه‌ها، تعداد 104 سلول فیبروبلاست اضافه شد. چسبندگی سلولی توسط میکروسکوپ الکترونی پس از 24 ساعت از فیکساسیون بررسی شد. میزان چسبندگی با استفاده از آزمون‌های آماری ANOVA و Scheffe با سطح معنی‌داری (0/001 > p value) آنالیز گردید.
‎یافته‌ها: آزمون ANOVA اختلاف معنی‌داری بین میانگین تعداد فیبروبلاست‌های لثه‌ای چسبیده به غشا کلاژنی در حضور A-PRF، L-PRF (به ترتیب با میانگین 12/50 و 13/75) و گروه شاهد (با میانگین 4/67) نشان داد (0/001 > p value). بر اساس نتایج آزمون Scheffe، میانگین تعداد فیبروبلاست‌های لثه‌ای چسبیده به غشاء کلاژنی در حضور A-PRF و L-PRF اختلاف معنی‌داری از لحاظ آماری نداشت (0/05 < p value).
‎نتیجه‌گیری: افزودن لخته‌ی فیبرینی منجر به افزایش چسبندگی سلول‌های فیبروبلاست می‌شود هرچند از لحاظ آماری تفاوت معنی‌داری بین A-PRF و L-PRF در چسبندگی سلول‌های فیبروبلاست وجود نداشت.
‎کلیدواژه‌ها: غشاها؛ فیبرین غنی از پلاکت؛ فیبروبلاست‌ها

عنوان مقاله [English]

Comparison between the effect of A-PRF and L-PRF on the number of fibroblasts adhered to collagen membrane

چکیده [English]

Introduction: Growth factors and cytokines in the platelet play a major role in the progression of inflammation and healing processes, therefore A-PRF and L-PRF as platelet drive ingredients are widely used in periodontal treatments. The purpose of this study is to compare the effect of A-PRF and L-PRF on the number of gingival fibroblasts adhered to collagen membrane.
Materials and Methods: In this In-vitro study conducted in winter of 2021 at the Iranian biological resource center, the membrane was cut into five pieces (5x5 mm) and placed at the bottom of a 5 well plate. 1 milliiiter of (A-PRF) was added to two wells in each group. And a similar amount of L-PRF was added to two wells in the other two groups. The last well was left A-PRF or L-PRF free. Gingival fibroblasts were seeded in all the wells. Cell adhesion was evaluated by means of a Field Emission Scanning Electron Microscope after 24 hours of incubation. The Data were analyzed by, one way and two-way ANOVA and Scheffe test (p value < 0.001).
Results: Based on ANOVA there was a statistically significant difference In the A-PRF + group and L-PRF+ group (12.50 and 13.57) compared to the control group (4.67) (p value < 0.001).and Scheffe analysis showed no statistically significant difference between A-PRF+ or L-PRF+ groups (p value = 0.307).
Conclusion: A-PRF and L-PRF are both effective in the adhesion of fibroblasts cells to collagen membranes, although there is no difference between A-PRF and L-PRF in the adhesion of fibroblast cells to collagen membranes.
Keywords: Guided Tissue Regeneration; collagen membrane; Cell Adhesion; PRF; fibroblast

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