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Bandung Conference Series: Pharmacy
Published by Universitas Islam Bandung
ISSN : -     EISSN : 28282116     DOI : https://doi.org/10.29313/bcsp.v2i2
Core Subject : Health, Science,
Chemistry Medicine & Pharmacology Public Health
Bandung Conference Series: Pharmacy (BCSP) menerbitkan artikel penelitian akademik tentang kajian teoritis dan terapan serta berfokus pada Farmasi dengan ruang lingkup Airlock system Kanker, Alcohol, Antelmintik, Antigastritis drugs, Antioksidan, Artemia franciscana, Ascaris suum, Cacing babi (Ascaris suum Goeze), Contact Bioautography TLC, Daun cincau hijau (Cyclea barbata Miers), Daun kelor (Moringa oleifera Lam), Diabetes mellitus, DPPH Flavonoid, Fenilpropanolamin, Fermentasi, Flavonoid, Flavonol,Iles-iles, Isolasi, Lichen, Malassezia furfur, Metode Brine Shrimp Lethality Test (BSLT), Obat antidiabetes (OAD) Propionibacterium acnes, Obat tradisional, Parkia Speciosa Antibakteri, Pektin, Propionibacterium Acnes, Pseudoefedrin, Saccharomyces Cerevisiae, Spektrofotometri uv sinar tampak, Staphylococcus epidermidis, uji aktivitas antibakteri, Uji sitotoksik, Usnea baileyi. Prosiding ini diterbitkan oleh UPT Publikasi Ilmiah Unisba. Artikel yang dikirimkan ke prosiding ini akan diproses secara online dan menggunakan double blind review minimal oleh dua orang mitra bebestari.
Arjuna Subject : Pharmacology, Toxicology and Pharmaceutics - Ilmu Farmasi
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Studi Penambatan Molekuler Piperine sebagai Inhibitor Asetilkolinesterase (AChE) untuk Alzheimer Muhammad Fikri Hakiki; Taufik Muhammad Fakih; Tegar Achsendo Yuniarta
Bandung Conference Series: Pharmacy 51 - 58
Publisher : UNISBA Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/bcsp.v6i2.24216

Abstract

Abstract. Alzheimer’s disease is a progressive neurodegenerative disorder characterized by cognitive impairment resulting from the degeneration of cholinergic neurons. Inhibition of acetylcholinesterase (AChE) remains one of the principal therapeutic strategies to preserve acetylcholine levels in the synaptic cleft and alleviate disease symptoms. Piperine, the major alkaloid compound found in Piper nigrum L., has demonstrated neuroprotective properties and is considered a promising natural compound for Alzheimer’s disease therapy. This study aimed to evaluate the binding potential of piperine toward AChE using a molecular docking approach. The three-dimensional structure of AChE (PDB ID: 2GYU) was obtained from the Protein Data Bank and prepared using BIOVIA Discovery Studio Visualizer. Docking protocol validation was carried out through a redocking procedure prior to molecular docking simulations performed with AutoDock Vina. The docking analysis revealed a binding affinity of –8.07 kcal/mol and an estimated inhibition constant (Ki) of 1.21 µM. Molecular interaction analysis indicated that piperine formed Carbon Hydrogen Bond, Pi-Donor Hydrogen Bond, Pi-Pi Stacked, Alkyl, and Pi-Alkyl interactions with amino acid residues located within the active site of AChE. These findings suggest that piperine exhibits favorable binding characteristics toward AChE and may serve as a potential acetylcholinesterase inhibitor. Nevertheless, further investigations, including molecular dynamics simulations as well as in vitro and in vivo studies, are required to validate the stability of the ligand–protein complex and its biological activity. Abstrak. Penyakit Alzheimer merupakan gangguan neurodegeneratif progresif yang ditandai oleh penurunan fungsi kognitif akibat degenerasi neuron kolinergik. Salah satu pendekatan terapi yang banyak diterapkan untuk mengurangi gejala penyakit ini adalah menghambat aktivitas enzim asetilkolinesterase (AChE), sehingga kadar asetilkolin di celah sinaps dapat dipertahankan. Piperin, senyawa alkaloid utama yang terdapat pada Piper nigrum L., diketahui memiliki aktivitas neuroprotektif dan berpotensi dikembangkan sebagai kandidat inhibitor AChE. Penelitian ini bertujuan mengevaluasi kemampuan piperin dalam berikatan dengan enzim AChE menggunakan pendekatan molecular docking. Struktur tiga dimensi protein target (PDB ID: 2GYU) diperoleh dari Protein Data Bank dan dipreparasi menggunakan BIOVIA Discovery Studio Visualizer. Validasi metode dilakukan melalui proses redocking, kemudian dilanjutkan dengan simulasi docking menggunakan AutoDock Vina. Hasil simulasi menunjukkan bahwa piperin memiliki nilai binding affinity sebesar −8,07 kcal/mol dengan nilai inhibition constant (Ki) sebesar 1,21 µM. Analisis interaksi molekuler memperlihatkan terbentuknya interaksi Carbon Hydrogen Bond, Pi-Donor Hydrogen Bond, Pi-Pi Stacked, Alkyl, dan Pi-Alkyl dengan residu asam amino pada sisi aktif AChE. Temuan tersebut menunjukkan bahwa piperin mampu berikatan secara stabil dengan protein target dan berpotensi dikembangkan sebagai kandidat inhibitor asetilkolinesterase. Meskipun demikian, diperlukan penelitian lanjutan melalui simulasi molecular dynamics serta pengujian in vitro dan in vivo untuk mengonfirmasi kestabilan kompleks dan aktivitas biologisnya.

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