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Chronic fetal hypoxia and antenatal Vitamin C exposure differentially regulate molecular signalling in the lung of female lambs in early adulthood.
Front Physiol
January 2025
Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom.
Introduction: Chronic fetal hypoxia is commonly associated with fetal growth restriction and can predispose to respiratory disease at birth and in later life. Antenatal antioxidant treatment has been investigated to overcome the effects of oxidative stress to improve respiratory outcomes. We aimed to determine if the effects of chronic fetal hypoxia and antenatal antioxidant administration persist in the lung in early adulthood.
View Article and Find Full Text PDFDetermination of Stable Reference Genes for Gene Expression Analysis in Black Rockfish () Under Hypoxia Stress.
Genes (Basel)
December 2024
Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China.
Background: Hypoxia triggers stress, leading to significant alterations in gene expression patterns, which in turn affect fish's growth and development. Real-time quantitative PCR (RT-qPCR) is a pivotal technique for assessing changes in gene expression. However, its accuracy is highly contingent upon the stable expression of reference genes.
View Article and Find Full Text PDFThe role of alternative oxidase in the maintenance of cellular redox balance under hypoxia via participation in nitric oxide turnover.
J Exp Bot
January 2025
Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada.
Alternative oxidase (AOX) regulates the level of reactive oxygen species and nitric oxide (NO) in plants. While under normoxic conditions it alleviates NO formation, there are several indications that in the conditions of low oxygen such as during seed germination before radicle protrusion, in meristematic stem cells, and in flooded roots AOX can be involved in the production of NO from nitrite. Whereas the first reports considered this role as indirect, more evidence is accumulated that AOX can act as a nitrite: NO reductase.
View Article and Find Full Text PDFIdentification of robust RT-qPCR reference genes for studying changes in gene expression in response to hypoxia in breast cancer cell lines.
BMC Genomics
January 2025
Department of Biology, University of York, York, YO10 5DD, UK.
Hypoxia is common in breast tumours and is linked to therapy resistance and advanced disease. To understand hypoxia-driven breast cancer progression, RT-qPCR is a widely used technique to quantify transcriptional changes that occur during malignant transformation. Reference genes (RGs) are endogenous RT-qPCR controls used to normalise mRNA levels, allowing accurate assessment of transcriptional changes.
View Article and Find Full Text PDFDifferential effects of β-hydroxybutyrate and α-ketoglutarate on HCT-116 colorectal cancer cell viability under normoxic and hypoxic low-glucose conditions: exploring the role of SRC, HIF1α, ACAT1, and SIRT2 genes.
Mol Genet Genomics
January 2025
Autophagy Research Center, Department of Clinical Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
Recent therapeutic strategies have highlighted the potential of β-hydroxybutyrate (BHB) and α-ketoglutarate (α-KG) as effective anticancer agents, particularly for colon cancer. These metabolites can modulate cellular metabolism and induce epigenetic changes, inhibiting tumor growth. Nonetheless, certain cancer cells may utilize ketone bodies, like BHB as nutrient sources under hypoxic conditions, potentially reducing treatment efficacy.
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