Age-related endoplasmic reticulum stress represses testosterone synthesis via attenuation of the circadian clock in Leydig cells

Longitudinal Effects of Aging on Serum Total and Free Testosterone Levels in Healthy Men

S. Mitchell Harman, E. Jeffrey Metter, Jordan D. Tobin et al. · The Journal of Clinical Endocrinology & Metabolism · 2001 · 2.7K citations · Full text

Medicine, Endocrinology, Aging +16

PERIOD2::LUCIFERASE real-time reporting of circadian dynamics reveals persistent circadian oscillations in mouse peripheral tissues

Seung Hee Yoo, Shin Yamazaki, Phillip L. Lowrey et al. · Proceedings of the National Academy of Sciences · 2004 · 2.4K citations · Full text

Nursing, Neuroscience, Physiology +17

Methods for cosinor-rhythmometry.

Wayne E. Nelson, Yuen-Chai Tong, J K Lee et al. · PubMed · 1980 · 1.7K citations

Three period Homologs in Mammals: Differential Light Responses in the Suprachiasmatic Circadian Clock and Oscillating Transcripts Outside of Brain

Mark J. Zylka, Lauren P. Shearman, David R. Weaver et al. · Neuron · 1998 · 871 citations · Full text

Life Sciences, Biology, Neuroscience +17

Circadian oscillation of a mammalian homologue of the Drosophila period gene

Hajime Tei, Hitoshi Okamura, Yasufumi Shigeyoshi et al. · Nature · 1997 · 791 citations

Life Sciences, Genetics, Molecular Biology +16