Long-Term Effects of Perinatal Exposure to a Glyphosate-Based Herbicide on Melatonin Levels and Oxidative Brain Damage in Adult Male Rats.

The lowest concentrations tested, 100 nM and 10 μM glyphosate, reduced the melatonin levels by 14% and 20%, respectively, but the differences did not reach statistical significance, while 50 μM glyphosate significantly reduced the melatonin secretion by 52% compared to the control group ( Figure 6 B) without affecting cell viability.

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