Ghea Farmaning Thias Putri
Sultan Ageng Tirtayasa University

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Targeting Hypoxia-Induced Oxidative Stress via Natural Antioxidant Modulation: From Cellular Signaling to Therapeutic Perspectives Dwi Widyawati; Ghea Farmaning Thias Putri; Rifdah Hanifah; Firda Asmaul Husna; Nabila Aulia Tsaqifah; Ainina Al Shadrina
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.v4i12.76

Abstract

Hypoxia is a fundamental physiological and pathological condition that disrupts cellular homeostasis through the excessive generation of reactive oxygen species (ROS), leading to oxidative stress, inflammation, and organ dysfunction. The imbalance between ROS production and antioxidant defense mechanisms is a key contributor to cell injury and disease progression. This review aims to elucidate the molecular interactions among major redox-sensitive signaling pathways hypoxia-inducible factor 1 (HIF-1), nuclear factor kappa B (NF-κB), and nuclear factor erythroid 2-related factor 2 (Nrf2) in hypoxia-induced oxidative stress, and to highlight the therapeutic potential of natural antioxidants in modulating these pathways. Relevant literature published over the past five years (2020-2025) was systematically reviewed using databases including PubMed, Scopus, and ScienceDirect. The selected studies focused on molecular redox signaling, hypoxia-induced oxidative mechanisms, and the modulatory roles of natural phytochemicals such as Ficus carica bioactive compounds. Recent findings reveal that natural antioxidants regulate redox signaling by activating Nrf2-dependent antioxidant responses, suppressing NF-κB driven inflammation, and stabilizing HIF-1α under hypoxic conditions. Phytochemicals, particularly flavonoids and polyphenols, exhibit strong potential to restore oxidative balance, protect cellular integrity, and reduce hypoxia-induced damage. Modulating hypoxia-induced oxidative stress through natural antioxidant pathways offers a promising therapeutic strategy. A deeper understanding of the molecular crosstalk between redox signaling and phytochemical activity may provide new insights for developing preventive and therapeutic interventions against hypoxia-related disorders.
Preliminary Study on Long Fixation in Histological Preparations of Internal Organs of Sprague Dawley Rats Galang Prahanarendra; Devy Ariany; Nurlaely Mida Rachmawati; Luluk Hermawati; Ghea Farmaning Thias Putri
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.v4i12.77

Abstract

Histotechnology is a series of processes ranging from tissue handling to the preparation of slides that can be observed under a microscope. One crucial stage in this process is fixation, which serves to preserve the structure and morphology of the tissue as close as possible to its original physiological state. However, prolonged fixation duration may lead to tissue hardening, dissolution, and structural damage. This study aims to obtain supporting data for the development of a standard operating procedure (SOP) in histotechnology that can be applied in the animal house and histology laboratories of the Faculty of Medicine, Syarif Hidayatullah State Islamic University Jakarta. The results showed that fixation for three weeks caused morphological damage to the kidney, liver, and pancreas of Sprague Dawley rats. The findings included tissue perforation in all three organs, endothelial nuclear damage in the kidney, central vein wall damage in the liver, and cellular disintegration in the pancreatic islets of Langerhans. Based on these findings, it can be concluded that a fixation duration of three weeks does not produce optimal histological images and therefore cannot be used as a reference for establishing a standard histotechnology SOP in the laboratory of the Faculty of Medicine, Syarif Hidayatullah State Islamic University Jakarta.