Journals / Erciyes Üniversitesi Veteriner Fakültesi Dergisi / 2018 / Cilt: 15 - Sayı: 3

Immunohistochemical Localization of TGF-Beta1 in Low Dose Capsaicin Treated Rat Ovary

Düşük Doz Kapsaisin Uygulanan Sıçanların Ovaryumlarında TGF-Beta 1’in İmmunohistokimyasal Yerleşimi

Pages
238–246
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

As a result, we demonstrated that binding of CAP to its receptor in ovarian cells resulted with increased TGF-β1expression during the folliculogenesis.

📌 3 Key Takeaways

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Objective & Hypothesis:Transforming growth factor beta-1 (TGF-β1) plays an important role in regulation of ovarian functions.
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Key Findings & Data:In the present study, it was investigated whether low dose capsaicin (CAP) administration in rat ovaries was effected on TGF-β1 expression during folliculogenesis and atresia.
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Conclusion & Impact:As a result, we demonstrated that binding of CAP to its receptor in ovarian cells resulted with increased TGF-β1expression during the folliculogenesis.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Transforming growth factor beta-1 (TGF-β1) plays an important role in regulation of ovarian functions. In the present study, it was investigated whether low dose capsaicin (CAP) administration in rat ovaries was effected on TGF-β1 expression during folliculogenesis and atresia. Thirty 21-day-old female Sprague-Dawley rats were divided randomly into three groups. The first group received no treatment (control A group), the second group received (0.5 mg/kg/day) CAP dissolved in the vehicle (experimental group), and the third group was treated with the (0.1 mg/kg/day) vehicle only (control B group). After 15 days treatment period, animals were euthanized by ether inhalation and ovarian tissues were sampled and processed routinely. TGF-β1 was demonstrated by labeled streptavidin-biotin technique. Oocytes, granulosa cells of all follicles (primordial, primer, secondary, preantral and antral follicles), theca cells and interstitial cells were stained positively in experimental group. In control group, the staining was generally in similar fashion but there was no staining in granulosa cells of preantral and antral follicles. TGF-β1 staining was more intense in experimental group than both control groups. There was no TGF- β1 staining in experimental group and control groups’ atretic follicles. As a result, we demonstrated that binding of CAP to its receptor in ovarian cells resulted with increased TGF-β1expression during the folliculogenesis.

Özet

Transforme edici büyüme faktörü-beta1 (TGF-β1), ovaryum fonksiyonlarının düzenlenmesinde önemli rol oynamaktadır.Sunulan çalışmada, sıçan ovaryumlarında düşük doz kapsaisin (KAP) uygulamasının, follikülogenezis veatrezi sürecinde TGF-β1 ekspresyonuna etkisinin olup/olmadığı incelendi. Otuz adet 21 günlük dişi Sprague-Dawleysıçan üç eşit grubu ayrıldı. İlk gruba hiçbir enjeksiyon yapılmadı (kontrol A grubu), ikinci gruba (deney grubu) taşıyıcısolüsyon içinde eritilen KAP (0.5 mg/kg/gün) enjeksiyonu yapıldı, üçüncü gruba (kontrol B grubu) sadece taşıyıcı solüsyon(0.1 mg/kg/gün) enjeksiyonu yapıldı. Onbeş günlük uygulama periyodundan sonra hayvanlar eter inhalasyonu ileuyutularak ovaryumları alındı ve rutin histolojik prosedür uygulandı. TGF-β1, işaretli streptavidin-biotin tekniği kullanılarakgösterildi. Deney grubunda oositler, tüm folliküllerin (primordiyal, primer, sekonder, preantral, antral folliküller) granulozahücreleri, teka hücreleri ve intersitisyel hücreler pozitif boyandı. Kontrol grubundaki boyanmada genel olarakdeney grubuna benzerdi, fakat preantral ve antral folliküllerin granuloza hücrelerinde boyanma yoktu. Deney grubundakiTGF-β1 boyanması, kontrol gruplarından daha yoğundu. Deney ve kontrol gruplarında atretik folliküllerde TGF-β1ekspresyonu gözlenmedi. Sonuç olarak, CAP, follikülogenezis sırasında ovaryan hücrelerdeki kendi reseptörüne bağlanarakTGF-β1 ekspresyonunu arttırmıştır.

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Cite This Article

İLHAN, T., AKKOÇ, C. G. Ö., ZIK, B., ASMAZ, E. D. (2022). Immunohistochemical Localization of TGF-Beta1 in Low Dose Capsaicin Treated Rat Ovary. Erciyes Üniversitesi Veteriner Fakültesi Dergisi, Cilt: 15 - Sayı: 3, 238–246. https://ajindex.com/articles/503807

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