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      Studi Ekspresi Gen Nicastrin (NCSTN) sebagai Marka Penyakit Alzheimer pada Otak Monyet Ekor Panjang (Macaca fascicularis)

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      Date
      2023
      Author
      Rosa, Mila
      Darusman, Huda Shalahudin
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      Abstract
      Penyakit Alzheimer merupakan penyakit neurodegeneratif yang dapat menyebabkan demensia, gangguan kognitif, hingga kematian pada penderita. Monyet ekor panjang (Macaca fascicularis) dipertimbangkan sebagai hewan model karena memiliki kemiripan dengan penyakit Alzheimer yang menyerang manusia. Gen NCSTN memiliki peran dalam pembentukan y-secretase yang dapat mempengerahui produksi peptida beta-amyloid (Aβ) sebagai marka patologis penyakit Alzheimer. Penelitian ini menganalisis ekspresi gen NCSTN sampel otak dari 6 ekor monyet ekor panjang yang terdiri dari regio korteks (n = 4) dan hipokampus (n = 6) dan dibagi menjadi kelompok usia dewasa (n = 5) dan kelompok usia tua (n= 5) menggunakan teknik RT-qPCR. Ditemukan perbedaan signifikan pada level ekspresi gen NCSTN antara kelompok usia dewasa dan kelompok usia tua (p = 0.008), namun tidak ditemukan perbedaan signifikan (p = 0.914) pada level ekspresi gen NCSTN antara regio korteks dan regio hipokampus. Level ekspresi gen NCSTN ditemukan paling tinggi pada regio korteks monyet ekor panjang kelompok usia dewasa. Level gen NCSTN berperan penting pada regio korteks monyet ekor panjang dan dapat berkaitan dengan resiko kejadian EOAD pada individu muda.
       
      Alzheimer's disease is a neurodegenerative disease that can cause dementia, cognitive impairment, and even death. The cynomolgus monkey (Macaca fascicularis) is considered as an animal model because it has similarities with Alzheimer's disease in humans. The NCSTN gene has a role in the formation of y- secretase which can influence the production of beta-amyloid (Aβ) peptides as a pathological marker of Alzheimer's disease. This study analyzed the expression of the NCSTN gene in brain samples from 6 cynomolgus monkeys consisting of the cortex (n = 4) and hippocampus (n = 6) regions and divided into the adult group (n = 5) and the aged group (n = 5) using the RT-qPCR technique. A significant difference was found in the expression level of the NCSTN gene between the adult and the aged group (p = 0.008), but no significant difference (p = 0.914) was found in the expression level of the NCSTN gene between the cortex and hippocampus regions. The expression level of the NCSTN gene was found to be highest in the cortex region. NCSTN gene plays important role in cortex region of cynomolgus monkeys and may be associated with the risk of EOAD in young individuals.
       
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      http://repository.ipb.ac.id/handle/123456789/121758
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      • UT - Anatomy, Phisiology and Pharmacology [1047]

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      Indonesia DSpace Group 
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