World's Best Scientists 2026 revealed!
Hiroshi Onimaru

Hiroshi Onimaru

D-Index & Metrics

Neuroscience

D-Index
38
Citations
6742
World Ranking
8515
National Ranking
303

Overview

Hiroshi Onimaru is affiliated with Showa University in Japan and has contributed extensively to the fields of neuroscience and medicine. Their research predominantly focuses on the neuroscience of respiration and sleep, integrating studies related to sleep and wakefulness, neonatal respiratory health, and circadian rhythms.

Onimaru's work spans a range of interconnected topics including:

  • Neuroscience of respiration and sleep
  • Sleep and wakefulness research
  • Neonatal respiratory health research
  • Circadian rhythm and melatonin
  • Neonatal and fetal brain pathology
  • Respiratory support and mechanisms
  • Photoreceptor and optogenetics research

The scientist has published notably in several prominent venues with multiple contributions to:

  • Pflügers Archiv - European Journal of Physiology
  • Biomedical Research
  • The Journal of Physiological Sciences
  • The FASEB Journal
  • Scientific Reports

Frequent collaborators include Masahiko Izumizaki, Yasumasa Okada, Keiko Ikeda, Isato Fukushi, and Kotaro Takeda, reflecting ongoing partnerships within the research community.

Selected recent papers authored by Onimaru or including them as coauthor illustrate the scope of their research:

  • Calcium Imaging Analysis of Cellular Responses to Hypercapnia and Hypoxia in the NTS of Newborn Rat Brainstem Preparation (2021) - Frontiers in Physiology
  • Optogenetic activation of DRN 5-HT neurons induced active wakefulness, not quiet wakefulness (2021) - Brain Research Bulletin
  • Novel oxygen sensing mechanism in the spinal cord involved in cardiorespiratory responses to hypoxia (2022) - Science Advances
  • Structural and functional connectivity from the dorsomedial hypothalamus to the ventral medulla as a chronological amplifier of sympathetic outflow (2020) - Scientific Reports
  • SGLT2 and SGLT1 inhibitors suppress the activities of the RVLM neurons in newborn Wistar rats (2023) - Hypertension Research

Their research bridges detailed cellular and molecular neuroscience with physiological studies, particularly in areas concerning endocrine and autonomic systems and pulmonary and respiratory medicine. Subfields prominently represented in their work include:

  • Endocrine and autonomic systems
  • Pulmonary and respiratory medicine
  • Cognitive neuroscience
  • Cellular and molecular neuroscience
  • Pediatrics, perinatology and child health

Overall, Hiroshi Onimaru's academic output centers on understanding the neural mechanisms regulating respiration, sleep-wake cycles, and related physiological processes, with a supplemental focus on developmental and neonatal factors affecting respiratory and brain functions.

Best Publications

  • A novel functional neuron group for respiratory rhythm generation in the ventral medulla.

    Hiroshi Onimaru;Ikuo Homma

  • Tlx3 and Tlx1 are post-mitotic selector genes determining glutamatergic over GABAergic cell fates

    Leping Cheng;Akiko Arata;Rumiko Mizuguchi;Ying Qian

  • Respiratory network function in the isolated brainstem-spinal cord of newborn rats.

    Klaus Ballanyi;Hiroshi Onimaru;Ikuo Homma

  • Importance of rostral ventrolateral medulla neurons in determining efferent sympathetic nerve activity and blood pressure

    Hiroo Kumagai;Naoki Oshima;Tomokazu Matsuura;Kamon Iigaya

  • CO2-sensitive preinspiratory neurons of the parafacial respiratory group express Phox2b in the neonatal rat.

    Hiroshi Onimaru;Keiko Ikeda;Kiyoshi Kawakami

  • Opioid-resistant respiratory pathway from the preinspiratory neurones to abdominal muscles: in vivo and in vitro study in the newborn rat

    Wiktor A. Janczewski;Hiroshi Onimaru;Ikuo Homma;Jack L. Feldman

  • Respiratory rhythm generator neurons in medulla of brainstem-spinal cord preparation from newborn rat.

    Hiroshi Onimaru;Ikuo Homma

  • Primary respiratory rhythm generator in the medulla of brainstem-spinal cord preparation from newborn rat

    Hiroshi Onimaru;Akiko Arata;Ikuo Homma

  • Respiration-related rhythmic activity in the rostral medulla of newborn rats

    Hiroshi Onimaru;Yuko Kumagawa;Ikuo Homma

  • Opioid action on respiratory neuron activity of the isolated respiratory network in newborn rats

    Shinhiro Takeda;Lars I. Eriksson;Yuji Yamamoto;Henning Joensen

  • Whole cell recordings from respiratory neurons in the medulla of brainstem-spinal cord preparations isolated from newborn rats.

    Hiroshi Onimaru;Ikuo Homma

  • Rnx deficiency results in congenital central hypoventilation

    Senji Shirasawa;Akiko Arata;Hiroshi Onimaru;Kevin A. Roth

  • The respiratory control mechanisms in the brainstem and spinal cord: integrative views of the neuroanatomy and neurophysiology

    Keiko Ikeda;Kiyoshi Kawakami;Hiroshi Onimaru;Yasumasa Okada

  • Firing properties of respiratory rhythm generating neurons in the absence of synaptic transmission in rat medulla in vitro

    H. Onimaru;A. Arata;I. Homma

  • Inhibitory synaptic inputs to the respiratory rhythm generator in the medulla isolated from newborn rats.

    Hiroshi Onimaru;Akiko Arata;Ikuo Homma

  • Neuronal Mechanisms of Respiratory Rhythm Generation: An Approach Using In Vitro Preparation

    Hiroshi Onimaru;Akiko Arata;Ikuo Homma

  • Malfunction of Respiratory-Related Neuronal Activity in Na+, K+-ATPase α2 Subunit-Deficient Mice Is Attributable to Abnormal Cl- Homeostasis in Brainstem Neurons

    Keiko Ikeda;Hiroshi Onimaru;Junko Yamada;Koichi Inoue

  • Phox2b, RTN/pFRG neurons and respiratory rhythmogenesis

    Hiroshi Onimaru;Keiko Ikeda;Kiyoshi Kawakami

  • Respiration-related neurons in the ventral medulla of newborn rats in vitro.

    Akiko Arata;Hiroshi Onimaru;Ikuo Homma

  • Localization of respiratory rhythm-generating neurons in the medulla of brainstem-spinal cord preparations from newborn rats.

    Hiroshi Onimaru;Akiko Arata;Ikuo Homma

Frequent Co-Authors

Mathias Dutschmann
Mathias Dutschmann Florey Institute of Neuroscience and Mental Health
Yuchio Yanagawa
Yuchio Yanagawa Gunma University
Shin-ichi Muramatsu
Shin-ichi Muramatsu Jichi Medical University
Atsuo Fukuda
Atsuo Fukuda Hamamatsu University
Paul M. Pilowsky
Paul M. Pilowsky University of Sydney
Noriko Osumi
Noriko Osumi Tohoku University
Hitoshi Hashimoto
Hitoshi Hashimoto Osaka University
Licia Selleri
Licia Selleri University of California, San Francisco
Takehiko Sasazuki
Takehiko Sasazuki Kyushu University
Akira Yoshikawa
Akira Yoshikawa Tohoku University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing Hiroshi Onimaru

Trending Scientists

Recently Published Articles