Publications by authors named "Hisayoshi Okamura"

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Measurement of Salivary Cortisol for Revealing Age-Specific Dependence of Cortisol Levels on Time, Feeding, and Oxygen Metabolism in Newborn Infants.
Tomoko Suzuki, Sachiko Iwata, Chinami Hanai, Satoko Fukaya, Yuka Watanabe, Hisayoshi Okamura

Biosensors (Basel)· July 2025

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Implicit and explicit emotional memory recall in anxiety and depression: Role of basolateral amygdala and cortisol-norepinephrine interaction.
Yuko Hakamata, Shinya Mizukami, Shuhei Izawa, Hisayoshi Okamura, Kengo Mihara

Psychoneuroendocrinology· February 2022

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Temporal changes and control variables of growth differentiation factor 15 levels during the first week of life in hospitalised newborn infants.
Masahiro Kinoshita, Shuichi Yatsuga, Osuke Iwata, Hisayoshi Okamura, Toshihiro Morisaki

Mitochondrion· November 2021

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Development of the Daily Time Management Scale for Use by Working People with Type 2 Diabetes.
Tomomi Nakao, Chizuko Takeishi, Kiyohide Nunoi, Toyojiro Matsuishi, Hisayoshi Okamura

Jpn J Nurs Sci· April 2020

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Intrauterine growth and the maturation process of adrenal function.
Sachiko Iwata, Masahiro Kinoshita, Hisayoshi Okamura, Kennosuke Tsuda, Mamoru Saikusa

PeerJ· February 2019

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Feeding-Induced Cortisol Response in Newborn Infants.
Masahiro Kinoshita, Sachiko Iwata, Hisayoshi Okamura, Kennosuke Tsuda, Mamoru Saikusa

J Clin Endocrinol Metab· December 2018

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β-Eudesmol, an Oxygenized Sesquiterpene, Reduces the Increase in Saliva 3-Methoxy-4-Hydroxyphenylglycol After the "Trier Social Stress Test" in Healthy Humans: A Randomized, Double-Blind, Placebo-Controlled Cross-Over Study.
Kazuaki Ohara, Akane Misaizu, Yuji Kaneko, Takafumi Fukuda, Mika Miyake, Hisayoshi Okamura

Nutrients· December 2018

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Increased cortisol awakening response after completing the summer treatment program in children with ADHD.
Rumiko Okabe, Hisayoshi Okamura, Chiyomi Egami, Yasuhiro Tada, Chizuru Anai

Brain Dev· August 2017

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Ghrelin improves dystonia and tremor in patients with Rett syndrome: A pilot study.
Kotaro Yuge, Munetsugu Hara, Rumiko Okabe, Yuki Nakamura, Hisayoshi Okamura

J Neurol Sci· June 2017

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Paradoxical diurnal cortisol changes in neonates suggesting preservation of foetal adrenal rhythms.
Masahiro Kinoshita, Sachiko Iwata, Hisayoshi Okamura, Mamoru Saikusa, Naoko Hara

Sci Rep· October 2016

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Salivary 3-methoxy-4-hydroxyphenylglycol increases after awakening in healthy young adults.
Nagisa Sugaya, Shuhei Izawa, Ryuichiro Yamamoto, Namiko Ogawa, Jumpei Yajima, Hisayoshi Okamura

Psychophysiology· March 2015

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Noninvasive surrogate markers for plasma cortisol in newborn infants: utility of urine and saliva samples and caution for venipuncture blood samples.
Hisayoshi Okamura, Masahiro Kinoshita, Hiroki Saitsu, Hiroshi Kanda, Sachiko Iwata

J Clin Endocrinol Metab· October 2014

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Randomised controlled trial of the effects of L-ornithine on stress markers and sleep quality in healthy workers.
Mika Miyake, Takayoshi Kirisako, Takeshi Kokubo, Yutaka Miura, Koji Morishita, Hisayoshi Okamura

Nutr J· June 2014

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High correlation between salivary cortisol awakening response and the psychometric profiles of healthy children.
Ikuhiko Shibuya, Shinichiro Nagamitsu, Hisayoshi Okamura, Shuichi Ozono, Hiromi Chiba

Biopsychosoc Med· March 2014

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Diurnal cortisol changes in newborn infants suggesting entrainment of peripheral circadian clock in utero and at birth.
Osuke Iwata, Hisayoshi Okamura, Hiroki Saitsu, Mamoru Saikusa, Hiroshi Kanda

J Clin Endocrinol Metab· January 2013

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Self-perceived work-related stress and its relation to salivary IgA, cortisol and 3-methoxy-4-hydroxyphenyl glycol levels among neonatal intensive care nurses.
Chihiro Fujimaru, Hisayoshi Okamura, Miho Kawasaki, Tatsuyuki Kakuma, Chiho Yoshii

Stress Health· April 2012

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Changes in salivary cortisol levels as a prognostic predictor in children with anorexia nervosa.
Ikuhiko Shibuya, Shinichiro Nagamitsu, Hisayoshi Okamura, Hiroko Komatsu, Shuichi Ozono

Int J Psychophysiol· November 2011

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Increased plasma type B natriuretic peptide in the acute phase of Kawasaki disease.
Shintaro Kishimoto, Kenji Suda, Yozo Teramachi, Hiroshi Nishino, Yoshiyuki Kudo, Hisayoshi Okamura

Pediatr Int· October 2011

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Short sleeping time and psychobiological responses to acute stress.
Hisayoshi Okamura, Akira Tsuda, Jumpei Yajima, Hamer Mark, Satoshi Horiuchi

Int J Psychophysiol· December 2010

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Synergistic effects of psychological and immune stressors on inflammatory cytokine and sickness responses in humans.
Lena Brydon, Cicely Walker, Andrew Wawrzyniak, Daisy Whitehead, Hisayoshi Okamura

Brain Behav Immun· February 2009

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The effects of depressive symptoms on cardiovascular and catecholamine responses to the induction of depressive mood.
Mark Hamer, Gohichi Tanaka, Hisayoshi Okamura, Akira Tsuda, Andrew Steptoe

Biol Psychol· January 2007

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