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All Journal International Journal of Cell and Biomedical Science Biosaintifika: Journal of Biology & Biology Education
Sitompul, Faya Nuralda
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology

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Pharmacokinetics Profile of Chitosan Nanoparticles in Chronic Lead-induced Toxicity Rats Model Marianti, Aditya; Amalina, Nur Dina; Mursiti, Sri; Sitompul, Faya Nuralda; Futri, Shafira Septiana; Negara, Legendra Gantar; Sholehah, Intan Kharyna; Asmorowati, Dian Sri; Astari, Putri Dyah
Biosaintifika: Journal of Biology & Biology Education Vol. 16 No. 1 (2024): April 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v15i1.1857

Abstract

Chronic lead exposure induces ROS accumulation which causes physiological disorders. Chelation therapy has been widely used to overcome lead poisoning since it exerts only a few side effects. Nano chitosan prevents lead poisoning by inhibiting ROS. This study examined the pharmacokinetics of nano chitosan in chronic lead-induced toxicity animal models and the mechanism of action pathway using the bioinformatic approach, The area under the curve was estimated to be 12110.13 ± 7709.37 μg/mL hours using the pharmacokinetic model, and the Cmax was 82.34 ± 5.64 μg/mL. The Tmax and t½ calculations were 22.68 ± 11.67 and 80.47 ± 60.58 hours respectively. Chitosan nanoparticles regulated VEGFA, FGF2, and LGALS3 which plausibly played a substantial role in chronic lead exposure. However, chitosan is not suitable for oral administration due to its low gastrointestinal solubility. These characteristics make chitosan nanoparticles have the prospect of being developed as a supplement so that they can contribute to overcoming the negative impacts of chronic lead poisoning.
Inhibitory Effects of Petai Peel Extract Gel on Tyrosinase and TRP1 Gene Expression in UVB-Exposed Mouse Skin Hutabarat, Nenny Lynda Caroline; Subchan, Prastyowati; Putra, Agung; Amalina, Nur Dina; Sitompul, Faya Nuralda
International Journal of Cell and Biomedical Science Vol 2 No 6 (2023)
Publisher : Stem Cell and Cancer Research (SCCR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59278/cbs.v2i6.43

Abstract

Background: UVB irradiation can induce the formation of Reactive Oxygen Species (ROS), which causes the activation of melanin synthesis through the activation of tyrosinase and tyrosinase-related protein-1 (TRP1). Secondary metabolites in stink bean peel extract inhibit ROS production due to exposure to UVB rays. This study aims to determine the effect of administering stink bean peel extract gel on the expression of the tyrosinase and TRp1 genes in mouse skin tissue exposed to UVB. Method: The research design was a posttest-only control group with a completely randomized design method. The samples studied were 24 mice exposed to UVB light with a wavelength of 302 nm and an energy of 390mJ/cm2/day 3 times a week for 2 weeks. This research was carried out in four groups: the healthy group, the negative control group, treatment 1 (T1) with 10% stink bean peel extract gel, and treatment 2 (T2) with 20% stink bean peel extract gel. Tyrosinase and TRP1 gene expression were analyzed using qRT-PCR. Results: qRT-PCR analysis showed that there was a significant decrease in tyrosinase and TRP1 gene expression between groups T1 (tyrosinase 3,19±2,12 and TRP1 4,96±3,42) and T2 (tyrosinase 0,65±0,44 and TRP1 2,22±1,18) compared to negative control (tyrosinase 17,92±3,77 and TRP1 35,91±4,52). Conclusion: The administration of stink bean peel extract gel has shown promising results in reducing the expression of tyrosinase and TRP1 genes in hyperpigmentation mice exposed to UVB light. This suggests that stink bean peel extract could be a safe and effective therapeutic approach for preventing UVB-induced hyperpigmentation.
The Role of Mesenchymal Stem Cell Secretome and Extracellular Vesicles in Targeting Emerging and Persistent Viral Reservoirs Beyond Respiratory Viruses: A Narrative Review Amalina, Nur Dina; Sitompul, Faya Nuralda; Febri, Ririn Rahmala; Dewayanti, Farahana Kresno; Rafidah, Izzati; Wargadipura, Fitri Hasnaulia
International Journal of Cell and Biomedical Science Vol 4 No 12 (2025)
Publisher : Stem Cell and Cancer Research (SCCR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59278/cbs.v4i12.81

Abstract

Background: Persistent viral infections remain a significant global health challenge, with viral reservoirs in anatomically and immunologically privileged sites evading conventional therapeutic approaches. Mesenchymal stem cells (MSCs) and their secreted factors, including the secretome and extracellular vesicles (EVs), have emerged as promising therapeutic modalities due to their immunomodulatory, anti-inflammatory, and tissue-regenerative properties. Objective: This narrative review synthesizes current evidence on the therapeutic potential of MSC-derived secretome and EVs in targeting viral reservoirs beyond respiratory infections, including human immunodeficiency virus (HIV), hepatitis viruses, herpesviruses, and emerging arboviruses. Methods: A comprehensive literature search was conducted across PubMed, Scopus, and Web of Science databases for studies published between 2015 and 2025, focusing on MSC secretome, extracellular vesicles, viral reservoirs, and persistent viral infections. Results: MSC secretome and EVs demonstrate multifaceted antiviral mechanisms including direct viral inhibition, immunomodulation of host responses, tissue repair of virus-induced damage, and potential targeting of latent viral reservoirs. Evidence from in vitro, animal models, and limited clinical studies suggests efficacy against HIV latent reservoirs, chronic hepatitis B and C infections, cytomegalovirus reactivation, and dengue-induced pathology. Key bioactive components include microRNAs, cytokines, growth factors, and antimicrobial peptides that collectively modulate viral replication and host immunity. Conclusion: MSC-derived therapeutics represent a novel approach to addressing persistent viral infections, although significant challenges remain in standardization, scalability, delivery methods, and clinical translation. Future research should focus on optimizing EV production, identifying specific bioactive components, elucidating the mechanisms of reservoir penetration, and conducting rigorous clinical trials to establish the efficacy and safety profiles of these products.
Co-Authors Aditya Marianti Agung Putra Amalina, Nur Dina Astari, Putri Dyah Dewayanti, Farahana Kresno Dian Sri Asmorowati Febri, Ririn Rahmala Futri, Shafira Septiana Hutabarat, Nenny Lynda Caroline Negara, Legendra Gantar Rafidah, Izzati S Mursiti Sholehah, Intan Kharyna Subchan, Prastyowati Wargadipura, Fitri Hasnaulia