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      Superovulation Stimulation Response of Mice Using PMSG-hCG and rFSH-rhCG Hormones

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      Date
      2022
      Author
      Maula, Yogi Nikmatul
      Boediono, Arief
      Pristihadi, Diah Nugrahani
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      Abstract
      Assisted Reproductive Technology (ART) is a tool for optimizing animal reproduction, particularly in the area of species conservation. ART is used to conserve endangered wildlife populations. This study aimed to analyze the stimulatory potential of two ART-supporting hormones, namely PMSG-hCG (commonly stimulating hormone/CSH) and recombinant hormones (a newly developed hormone). The study was performed on 63 female mice at four different estrus phases. Both CSH and recombinant hormones containing FSH- and LH-like properties were administered sequentially at 4:00-5:00 pm, 47-48 hours apart. The success of stimulation was assessed by the number of positive responses of the stimulated mice and the total number of ovulated oocytes. The results showed that CSH and recombinant stimulating hormones were effective in the diestrus phase. Approximately 60% of mice responded to CSH and 80% of the other mice responded to the recombinant stimulation. The number of excellent-quality oocytes ovulated by CSH treatment was 239 and 137 oocytes were collected from the recombinant group. Interestingly, recombinant stimulation successfully induced the ovulation of 400 oocytes in the estrus phase. Unfortunately, the efficacy ratio in this phase is lower than in diestrus (30,8:34,3). Therefore, hormonal stimulation with CSH or recombinant hormones in the diestrus phase is strongly recommended.
       
      Teknologi Reproduksi Berbantu (TRB) merupakan metode untuk mengoptimalkan reproduksi hewan, utamanya di bidang konservasi. ART digunakan untuk mempertahankan populasi satwa liar yang terancam punah. Penelitian ini bertujuan untuk menganalisis potensi stimulasi dua hormon pendukung TRB, yaitu PMSG-hCG (homon stimulasi biasa/CSH) dengan hormon rekombinan (hormon stimulasi baru). Penelitian ini dilakukan pada 63 ekor mencit betina pada empat fase estrus yang berbeda. Baik sediaan CSH dan hormon rekombinan mengandung senyawa seperti-FSH dan -LH yang diberikan secara berurutan pada pukul 16.00-17.00 WIB dengan jeda 47-48 jam. Pengamatan keberhasilan stimulasi dilakukan melalui evaluasi jumlah respons positif mencit terhadap stimulasi dan jumlah oosit terovulasikan. Hasil penelitian menunjukkan bahwa CSH dan hormon rekombinan efektif diberikan pada fase diestrus. Sebanyak 60% mencit merespons stimulasi CSH dan 80% mencit lain merespons stimulasi rekombinan. Jumlah oosit berkualitas baik yang diovulasikan mencit perlakuan CSH adalah 239 oosit dan 137 oosit dari mencit perlakuan rekombinan. Menariknya, stimulasi rekombinan berhasil menginduksi ovulasi 400 oosit pada fase estrus. Sayangnya, rasio efektivitas hormon pada fase ini kurang dari pada fase diestrus (30,8:34,3). Oleh karena itu, stimulasi hormon baik CSH dan hormon rekombinan disarankan untuk diberikan pada fase diestrus.
       
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      http://repository.ipb.ac.id/handle/123456789/115751
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      • UT - Anatomy, Phisiology and Pharmacology [1047]

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      Indonesia DSpace Group 
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