Articles by author - Ryuichiro Yamamoto

Associations between brain-derived neurotrophic factor and estradiol in women's saliva.

Matsuki C, To M, Kondo Y, Sugiyama H, Yamamoto Y, Shimizu T, Kamata Y, Saruta J, Tsukinoki K.

Journal Article 2014; 35(3): 236-241 PubMed PMID: 24977975  Keywords:  Adult, Brain-Derived Neurotrophic Factor:metabolism, Estradiol:metabolism, Female, Follicular Phase:metabolism, Humans, Luteal Phase:metabolism, Monitoring, Physiologic, Progesterone:metabolism, Saliva:metabolism, Young Adult,.    Citation

OBJECTIVE: The aim of this study was to assess the relationship between brain-derived neurotrophic factor (BDNF) and sex hormones (estradi.....

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The cortisol awakening response and autonomic nervous system activity during nocturnal and early morning periods.

Izawa S, Sugaya N, Yamamoto R, Ogawa N, Nomura S.

Journal Article 2010; 31(5): 685-689 PubMed PMID: 21178943  Keywords:  Autonomic Nervous System:physiology, Circadian Rhythm:physiology, Electrocardiography, Female, Humans, Hydrocortisone:secretion, Male, Saliva:metabolism, Sleep:physiology, Sympathetic Nervous System:physiology, Time Factors, Vagus Nerve:physiology, Wakefu.    Citation

: The current study focuses on autonomic nervous system activity during sleep as a physiological aspect of sleep quality, and investigated.....

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Stimulation of the hippocampal glutamate receptor systems induces stress-like responses.

Umegaki H, Yamamoto A, Suzuki Y, Iguchi A.

Comparative Study 2006; 27(3): 339-343 PubMed PMID: 16807523  Keywords:  Acetylcholine:metabolism, Adrenocorticotropic Hormone:blood, Analysis of Variance, Animals, Behavior, Animal:drug effects, Blood Glucose:metabolism, Cholinesterase Inhibitors:administration & dosage, Dose-Response Relationship, Drug, Excitatory Amino Acid.    Citation

OBJECTIVE: The hypothalamic-pituitary-adrenal (HPA) axis controls glucocorticoid secretion and is in turn controlled by a diverse set of a.....

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