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All Journal Medical Laboratory Journal Jurnal Siti Rufaidah
Hanayu Anindya Nareswari
Universitas Duta Bangsa Surakarta
Health Professions Nursing Public Health

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Analisis Literatur Tentang Peran Mutasi Genetik dalam Terjadinya Trisomi 21 Amelia Putri Az Zahra; Erlanda Islami Pasha; Hanayu Anindya Nareswari; Karina Sella Juwitasari; Nur Aini Fatna Fadilla; Pramesti Listanto; Rizka Fellithia; Azzahra Nabilla Atha; Liss Dyah Dewi Arini
Jurnal Siti Rufaidah Vol. 4 No. 2 (2026): Jurnal Siti Rufaidah
Publisher : PPNI UNIMMAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57214/jasira.v4i2.342

Abstract

Down syndrome, or Trisomy 21, is the most common chromosomal disorder in humans and is primarily caused by nondisjunction events during meiosis. Although advanced maternal age has long been recognized as the major risk factor, recent scientific evidence indicates that genetic mutations, gene polymorphisms, and meiotic recombination abnormalities also play important roles in the occurrence of Trisomy 21. This literature review aims to analyze the role of genetic mutations in the pathogenesis of Trisomy 21, with emphasis on the mechanisms of nondisjunction, oocyte aging, meiotic recombination errors, and folate metabolism disorders. The method used was a narrative literature review based on seven major scientific sources discussing the genetic and molecular factors underlying Trisomy 21. The findings indicate that genetic mutations and variations affecting meiotic regulation, recombination positioning, chromosome cohesion, and DNA methylation significantly increase the risk of chromosome 21 nondisjunction. In addition, age-related decline in oocyte quality and polymorphisms in folate metabolism genes further exacerbate chromosomal instability. Understanding these mechanisms is essential for the development of genetic counseling, early detection, and more effective prevention and management strategies in the future.  
Pemanfaatan Mikroskop dalam Menanggapi Fenomena Resistensi Antibiotik pada Bakteri Patogen Desi Rahmasari; Devina Adira Azzahra; Hanayu Anindya Nareswari; Nasywarana Putri Panjaitan; Rizka Felithia; Elsa Oktavia Ramadhani; Liss Dyah Dewi Arini
Calory Journal Medical Laboratory Journal Vol. 3 No. 3 (2025): September : Medical Laboratory Journal
Publisher : LPPM STIKES KESETIAKAWANAN SOSIAL INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57213/caloryjournal.v3i2.778

Abstract

Antibiotic resistance has emerged as one of the most critical challenges in modern healthcare. Pathogenic bacteria that were once susceptible to antibiotics have developed survival mechanisms, making infections increasingly difficult to treat. Understanding and combating this issue requires advanced tools, with microscopy playing a pivotal role. Microscopes enable researchers to observe bacterial morphological changes, biofilm formation, and antibiotic-bacteria interactions at molecular levels. Various microscopy techniques – including light microscopy, electron microscopy, and fluorescence microscopy – have significantly contributed to both research and clinical diagnostics. Through a literature review approach, this article examines how microscopy facilitates antibiotic resistance studies and supports the development of more effective treatment strategies.
Co-Authors Amelia Putri Az Zahra Azzahra Nabilla Atha Desi Rahmasari Devina Adira Azzahra Elsa Oktavia Ramadhani Erlanda Islami Pasha Karina Sella Juwitasari Nasywarana Putri Panjaitan Nur Aini Fatna Fadilla Pramesti Listanto Rizka Felithia Rizka Fellithia