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Ghsr and orexin 1 mRNA expression levels in the LHA. Expression of Ghsr differs in male and female rats; Ghsr mRNA was detected in both male and female LHA, but males showed significantly lower levels (A). The expression of the orexin 1 gene was increased by LHA-targeted ghrelin microinjection in females (B). Data are expressed as mean ±SEM. n=12, * p < 0.05.
