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Influence of photoperiod, ambient temperature and melatonin on testosterone synthesis and release during reproductive maturation in male deer mice
photoperiod ambient temperature melatonin testosterone synthesis reproductive maturation male deer mice
2009/2/23
Four experiments were designed to investigate the influence of photoperiod and other environmental factors on androgen production and reproductive maturation in deer mice. Male prairie deer mice (Pe...
Effects of Photoperiod and Subcutaneous Melatonin Implants on the Reproductive Status of Adult White-footed Mice（Peromyscus leucopus）
implant melatonin photoperiod white-footed mouse Peromyscus leucopus testosterone
2009/2/19
The reproductive consequences of photoperiod and melatonin administration were compared in adult white-footed mice (Peromyscus leucopus). Animals were exposed either to a long photoperiod (16 hours ...
Melatonin inhibits the expression of steroidogenic acute regulatory protein and steroidogenesis in MA-10 cells
Melatonin inhibits steroidogenic protein steroidogenesis MA-10 cells
2008/12/26
The effects of melatonin on steroidogenesis and steroidogenic acute regulatory (StAR) protein expression were investigated in MA-10 mouse Leydig tumor cells. MA-10 cells were treated with human chorio...
Melatonin Administration Alters Semen Quality in Normal Men
Melatonin Administration Semen Quality Normal Men
2008/12/22
The publication by Luboshitzky et al (2002) concerning the effects of melatonin on human sperm quality deserves strong critique for a number of reasons. The authors performed a double-blind crossove...
Melatonin Administration Alters Semen Quality in Healthy Men
Estradiol seminal plasma sperm analysis testosterone
2008/12/8
The role of melatonin in the regulation of reproduction in humans is unknown. We conducted a 6-month, double-blind, crossover study of a daily treatment dose of 3 mg melatonin or placebo given orall...