{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n ENOX1 is a highly conserved cell‐surface enzyme that functions both as a NADH oxidase and as a protein disulfide–thiol exchanger. Unlike its cancer‐associated counterpart (ENOX2), ENOX1 (often referred to as CNOX) exhibits a characteristic, temperature‐compensated oscillatory activity with a cycle length of approximately 24 minutes—a rhythmic behavior modulated by factors such as copper binding and melatonin, which may underlie a “biological clock” function in normal cells."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n ENOX1 is widely expressed, including in endothelial cells, where its oxidase activity helps regulate intracellular NADH levels and redox homeostasis. In the vascular compartment, ENOX1 supports cell migration, capillary tube formation, and overall angiogenesis; conversely, its pharmacological inhibition or RNA interference leads to impaired vascular development and enhances the sensitivity of tumor stroma to radiotherapy."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Moreover, genetic variations in ENOX1—including mutations that reduce mRNA stability and chromosomal rearrangements affecting its locus—have been linked to altered enzyme expression and are associated with a range of pathological conditions, from familial autoimmune myasthenia gravis to aggressive forms of prostate cancer."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "4"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n In addition, elevated ENOX1 expression has been documented in vascular pathologies such as diabetic retinopathy and acute coronary syndrome, implying a role in modulating oxidative stress and inflammatory responses within disease‐affected tissues."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "6"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Finally, emerging evidence links ENOX1 to transcriptional networks—via interactions with regulatory proteins such as p53 and NRF1—that may influence neuronal function and cognitive processes, suggesting that ENOX1’s impact might extend beyond vascular regulation to affect brain physiology."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "8"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Collectively, these findings highlight the multifaceted role of ENOX1 in controlling cellular redox balance, regulating vascular development, and contributing to disease pathogenesis, thereby positioning it as an attractive target for therapeutic intervention.\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Ziying Jiang, Nina M Gorenstein, Dorothy M Morré, et al. 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