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The present study explored the possible preventive effects of blue light emitting diodes (LEDs) on cadmium (Cd)-induced oxidative stress and immunotoxicity in zebrafish. To this end, zebrafish were exposed to a white fluorescent bulb or blue LEDs (LDB, peak at 450nm, at an irradiance of 0.9W/m2), and 0 or 30µgL-1 waterborne Cd for 5 weeks. Growth(More)
Up to date, little information is available on effects of circadian rhythm on metal-induced toxicity in fish. In this study, zebrafish were acutely exposed to 0.97mgL-1 cadmium for 12h either at ZT0 (the light intensity began to reached maximum) or at ZT12 (light intensity began to reached minimum) to evaluate the temporal sensitivity of oxidative stress(More)
We evaluated the effects of acute Zn exposure (4 and 8 mg L(-1) Zn) on lipid peroxidation, and activities and mRNA levels of antioxidant enzyme genes (Cu/Zn-SOD, CAT, GPx, and GR), and gene expression of the Nrf2-Keap1 signaling molecule at different exposure times (0, 6, 12, 24, 48, and 96 h) in the spleen of large yellow croaker. Lipid peroxidation(More)
The aim of the present study was to evaluate the effects of acute inorganic Hg exposure (0, 32 and 64μgHgL(-1)) on lipid peroxidation, activities and gene expression of antioxidant enzymes (Cu/Zn-SOD, CAT, GPx, GR and GST), and mRNA levels of the Keap1-Nrf2 signaling molecules at different exposure times (6h, 12h, 24h, 48h, and 96h) in the liver of large(More)
The hypothesis tested in the present study was that Zn acclimation will alleviate high Zn induced oxidative stress in large yellow croaker Pseudosciaena crocea. To the end, fish were pre-exposed to 0 and 2mgZnL(-1) for 48h and then exposed to 0 and 10mgZnL(-1) for 48h. Lipid peroxidation, activities and mRNA levels of antioxidant enzyme genes (Cu/Zn-SOD,(More)
Major constraints imposed by salinity, include ionic, osmotic, and oxidative stresses, which significantly affect plant growth. In an attempt to explore the mechanisms underlying salinity tolerance, enzymatic activity, and expression of genes involved in ionic, osmotic, and antioxidant responses of the typical coastal plant Eurya emarginata were examined(More)
Proline accumulation at the cost of growth inhibition is commonly observed in plants subjected to salt stress, because an increased amount of energy is stored as nitrogen. The hypothesis tested in this study was that exogenous proline addition will alleviate deleterious effects of high salinity on plant growth. Eurya emarginata plants were treated with 10(More)
Gonadotropin-releasing hormone (GnRH) plays a vital role in the regulation of reproduction through interaction with a specific receptor (the GnRH receptor). In this study, the GnRH receptor gene from the cuttlefish Sepiella japonica (SjGnRHR) was identified and characterized. The cloned full-length SjGnRHR cDNA was 1,468 bp long and contained a 1,029 bp(More)
AMP-activated protein kinase (AMPK) is a highly conserved and multi-functional protein kinase that plays important roles in both intracellular energy balance and cellular stress response. In the present study, molecular characterization, tissue distribution and gene expression levels of the AMPK α1 and α2 genes from turbot (Scophthalmus maximus) under(More)
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