Unveiling the potential of xanthines, discovery of potential 7-benzyl-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione derivatives with antifibrotic activity for liver injury DOI
Abdalla R. Mohamed, Hanan H. Georgey, Esraa A. Aidy

и другие.

Bioorganic Chemistry, Год журнала: 2025, Номер 160, С. 108441 - 108441

Опубликована: Апрель 5, 2025

Язык: Английский

Recent Treatment Strategies and Molecular Pathways in Resistance Mechanisms of Antiangiogenic Therapies in Glioblastoma DOI Open Access
Md. Ataur Rahman,

Meser M. Ali

Cancers, Год журнала: 2024, Номер 16(17), С. 2975 - 2975

Опубликована: Авг. 27, 2024

Malignant gliomas present great difficulties in treatment, with little change over the past 30 years median survival time of 15 months. Current treatment options include surgery, radiotherapy (RT), and chemotherapy. New therapies aimed at suppressing formation new vasculature (antiangiogenic treatments) or destroying formed tumor (vascular disrupting agents) show promise. This study summarizes existing knowledge regarding processes by which glioblastoma (GBM) tumors acquire resistance to antiangiogenic treatments. The discussion encompasses activation redundant proangiogenic pathways, heightened cell invasion metastasis, induced hypoxia, creation vascular mimicry channels, regulation immune microenvironment. Subsequently, we explore potential strategies overcome this resistance, such as combining other methods, personalizing treatments for each patient, focusing on therapeutic targets, incorporating immunotherapy, utilizing drug delivery systems based nanoparticles. Additionally, would like discuss limitations methods future directions enhance beneficial effects patients GBM. Therefore, review aims research outcome GBM provide a more promising opportunity thoroughly exploring mechanisms investigating novel strategies.

Язык: Английский

Процитировано

9

The Role of Oxidative Stress in Alcoholic Fatty Liver Disease: A Systematic Review and Meta-Analysis of Preclinical Studies DOI Open Access
Ana Carolina Silveira Rabêlo,

Amanda Kelly de Lima Andrade,

Daniela Caldeira Costa

и другие.

Nutrients, Год журнала: 2024, Номер 16(8), С. 1174 - 1174

Опубликована: Апрель 15, 2024

Alcoholic Fatty Liver Disease (AFLD) is characterized by the accumulation of lipids in liver cells owing to metabolism ethanol. This process leads a decrease NAD+/NADH ratio and generation reactive oxygen species. A systematic review meta-analysis were conducted investigate role oxidative stress AFLD. total 201 eligible manuscripts included, which revealed that animals with AFLD exhibited elevated expression CYP2E1, decreased enzymatic activity antioxidant enzymes, reduced levels transcription factor Nrf2, plays pivotal synthesis enzymes. Furthermore, increased lipid peroxidation markers carbonylated proteins, collectively contributing weakened defense damage. The damage was supported significantly higher alanine aspartate aminotransferase Moreover, had triacylglycerol serum liver, likely due fatty acid caused PPAR-α expression, responsible for oxidation, SREBP-1c, involved synthesis. With regard inflammation, pro-inflammatory cytokines, including TNF-a, IL-1β, IL-6. heightened stress, along led an upregulation cell death markers, such as caspase-3, Bax/Bcl-2 ratio. Overall, findings indicate ethanol reduces important while increasing inflammatory apoptotic thereby development

Язык: Английский

Процитировано

8

Effects of hypoxia on the heart of the juvenile four-finger threadfin (Eleutheronema tetradactylum) based on physiological indicators and transcriptome analysis DOI Creative Commons
Yi Lu, Eric Amenyogbe, Ye Yang

и другие.

Frontiers in Marine Science, Год журнала: 2025, Номер 12

Опубликована: Фев. 5, 2025

This study evaluated the effects of hypoxia on heart juvenile four-finger threadfin ( Eleutheronema tetradactylum ) through physiological and transcriptome analysis. Juveniles with an average weight 122.82 g length 24.60 cm were used. Hypoxia significantly increased serum myocardial enzyme activities, including creatine kinase (CK), kinase-MB isoenzyme, lactate dehydrogenase (LDH), α-hydroxybutyrate (HDBH). These indicators initially rose then declined, reflecting cardiac stress suggesting their potential as early biomarkers for real-time aquaculture monitoring. Histological analysis revealed structural damage in fibers under hypoxia, increasing severity over time. underscores need to minimize oxygen fluctuations prevent tissue degeneration. Transcriptome identified upregulated genes involved cell communication, immune responses, intracellular signaling, offering targets breeding hypoxia-tolerant species. Kyoto Encyclopedia Genes Genomes pathway enrichment highlighted key pathways such mitogen-activated protein (MAPK), hypoxia-inducible factor-1 (HIF-1), endocytosis, phagosome formation. The MAPK plays a critical role cellular survival, proliferation, apoptosis. Hypoxia-induced activation MAPKs like ERK, JNK, p38 regulates stress-responsive genes. HIF-1 signaling homeostasis, HIF-1α stabilizing hypoxia-responsive VEGFA, which promotes vascular remodeling enhances delivery. findings collectively offer practical applications enhancing management, monitoring biochemical markers, adopting breeding, adjusting environmental conditions mitigate stress, ensuring better productivity sustainability. research provides foundation further studies molecular mechanisms

Язык: Английский

Процитировано

1

Mitochondrial signaling pathways and their role in cancer drug resistance DOI
Ashwani Sharma, Tarun Virmani, Girish Kumar

и другие.

Cellular Signalling, Год журнала: 2024, Номер 122, С. 111329 - 111329

Опубликована: Авг. 5, 2024

Язык: Английский

Процитировано

7

Tumor hypoxia unveiled: insights into microenvironment, detection tools and emerging therapies DOI Creative Commons

Joanna Ciepła,

Ryszard Smolarczyk

Clinical and Experimental Medicine, Год журнала: 2024, Номер 24(1)

Опубликована: Окт. 3, 2024

Язык: Английский

Процитировано

7

Therapeutic efficiency of Tamoxifen/Orlistat nanocrystals against solid ehrlich carcinoma via targeting TXNIP/HIF1-α/MMP-9/P27 and BAX/Bcl2/P53 signaling pathways DOI Open Access

Thanaa A. El‐Masry,

Maysa M. F. El-Nagar, Ghaleb A. Oriquat

и другие.

Biomedicine & Pharmacotherapy, Год журнала: 2024, Номер 180, С. 117429 - 117429

Опубликована: Сен. 17, 2024

Язык: Английский

Процитировано

6

Hypoxia-inducible factor-1 mediates the dynamic coordination of energy metabolism and meat color during early post-slaughter of Tan sheep meat DOI
Shuang Gao, Ji Chen, Jiarui Cui

и другие.

Food Bioscience, Год журнала: 2025, Номер 64, С. 105924 - 105924

Опубликована: Янв. 16, 2025

Язык: Английский

Процитировано

0

The role of circadian rhythm regulator PERs in oxidative stress, immunity, and cancer development DOI Creative Commons
Baisuo Zhao, Eugenie Nepovimová, Qinghua Wu

и другие.

Cell Communication and Signaling, Год журнала: 2025, Номер 23(1)

Опубликована: Янв. 16, 2025

The complex interaction between circadian rhythms and physiological functions is essential for maintaining human health. At the heart of this lies PERIOD proteins (PERs), pivotal to clock, influencing timing behavioral processes impacting oxidative stress, immune functionality, tumorigenesis. PER1 orchestrates cooperation enzyme GPX1, modulating mitochondrial dynamics in sync with daily thus regulating mechanisms managing energy substrates. PERs innate cells modulate temporal patterns NF-κB TNF-α activities, as well response LPS-induced toxic shock, initiating inflammatory responses that escalate into chronic conditions. Crucially, cancer cell behaviors including proliferation, apoptosis, migration by levels cycle stimulating expression oncogenes c-Myc MDM2. PER2/3, antagonists stem biology, play important roles differentiating their stemness. Importantly, Pers serve a significant factor early diagnosis prognosis. This review delves link rhythm regulator PERs, disruptions rhythm, oncogenesis. We examine evidence highlights how dysfunctions activities initiate development, aid tumor growth, modify metabolism through pathways involved stress system. Comprehending these connections opens new development rhythm-based therapeutic strategies, aims boosting enhancing treatments.

Язык: Английский

Процитировано

0

The Role of Hypoxia in Longevity DOI Creative Commons
Ayesha Nisar,

Sawar Khan,

Yongzhang Pan

и другие.

Aging and Disease, Год журнала: 2025, Номер unknown, С. 0 - 0

Опубликована: Янв. 1, 2025

Aging is marked by a progressive decrease in physiological function and reserve capacity, which results increased susceptibility to diseases. Understanding the mechanisms of driving aging crucial for extending health span promoting human longevity. Hypoxia, reduced oxygen availability, has emerged as promising area study within research. This review explores recent findings on potential restriction promote healthy extend lifespan. While role hypoxia-inducible factor 1 (HIF-1) cellular responses hypoxia well-established, its impact lifespan remains complex context-dependent. Investigations invertebrate models suggest HIF-1 longevity, while evidence mammalian limited. Hypoxia extends independent dietary (DR), known intervention underlying However, both DR converge common downstream effectors, such forkhead box O (FOXO) flavin-containing monooxygenase (FMOs) modulate Further work required elucidate molecular hypoxia-induced longevity optimize clinical applications. crosstalk between other longevity-associated pathways developing interventions enhance healthspan. Future studies may uncover novel therapeutic strategies populations.

Язык: Английский

Процитировано

0

Oxidative stress and hypoxia parameters in children with nephrotic syndrome DOI Creative Commons
Євгенія Бурлака

Ukrainian Journal of Nephrology and Dialysis, Год журнала: 2025, Номер 1(85), С. 23 - 28

Опубликована: Фев. 24, 2025

Nephrotic syndrome (NS) is a kidney disorder caused by increased permeability of the glomerular filtration barrier. The diagnosis based on four main clinical features: edema, hyperlipidemia, hypoalbuminemia, and proteinuria. pathogenesis NS linked to multiple pathways, including inflammation apoptosis. present study aimed assess oxidative stress hypoxia parameters in children with NS. Methods. This cross-sectional included 88 patients at different stages chronic disease (CKD) 25 healthy individuals (control group). Plasma samples were used measure intracellular hypoxia-inducible factor alpha (HIF-1α) manganese superoxide dismutase (Mn-SOD). levels radicals assessed using electron paramagnetic resonance (EPR) method. ANOVA, followed post hoc Kruskal-Wallis test for comparisons, was determine statistical significance. Statistical analysis performed Past4 software Windows. A p-value <0.05 considered statistically significant. Results. significant increase generation rate radical anions (O₂⁻•) neutrophils detected all (1.55±0.7 nmol/1×10³ cells/min CKD I stage group 2.79±0.22 II–III group, p<0.01). expression Mn-SOD reduced 76.57±4.62% further decreased 59.03±3.23% compared control (p<0.01 p<0.001, respectively). Individual plasma HIF-1α revealed inverse correlation between these biomarkers (r=-0.71, p<0.0001, CI: -0.8003 -0.5878). Conclusions. demonstrates that activation leads reduction antioxidative capacity nephrotic syndrome. An observed levels, suggesting potential interplay pathogenesis.

Язык: Английский

Процитировано

0