Jun-ichiro Oka

Chiba, 2788510, Japan

Last Updated: 09/26/2026

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Found 43 publications

Impaired long-term depression mediated by group I metabotropic glutamate receptors, but not muscarinic acetylcholine receptors in juvenile-onset diabetes rats.

Impaired long-term depression mediated by group I metabotropic glutamate receptors, but not muscarinic acetylcholine receptors in juvenile-onset diabetes rats.

Journal: IBRO neuroscience reports

Published: May 15, 2026

Attenuation of mGluR1/5-dependent synaptic plasticity and ERK pathway dysfunction in the hippocampus of diabetic rats.

Attenuation of mGluR1/5-dependent synaptic plasticity and ERK pathway dysfunction in the hippocampus of diabetic rats.

Journal: Frontiers in neuroscience

Published: February 21, 2026

Isoform-specific distribution of 14-3-3 proteins in the hippocampus of streptozotocin-induced diabetic rats.

Isoform-specific distribution of 14-3-3 proteins in the hippocampus of streptozotocin-induced diabetic rats.

Journal: Neuroscience letters

Published: August 19, 2024

Intracerebroventricular administration of oxytocin and intranasal administration of the oxytocin derivative improve β-amyloid peptide (25-35)-induced memory impairment in mice.

Intracerebroventricular administration of oxytocin and intranasal administration of the oxytocin derivative improve β-amyloid peptide (25-35)-induced memory impairment in mice.

Journal: Neuropsychopharmacology reports

Published: April 16, 2022

Involvement of trigeminal axons in nose-to-brain delivery of glucagon-like peptide-2 derivative.

Involvement of trigeminal axons in nose-to-brain delivery of glucagon-like peptide-2 derivative.

Journal: Journal of controlled release : official journal of the Controlled Release Society

Published: April 04, 2022

Fluorescein Permeability of the Blood-Brain Barrier Is Enhanced in Juvenile- but Not Young Adult-Onset Type 1 Diabetes in Rats.

Fluorescein Permeability of the Blood-Brain Barrier Is Enhanced in Juvenile- but Not Young Adult-Onset Type 1 Diabetes in Rats.

Journal: Biological & pharmaceutical bulletin

Published: August 02, 2021

Usefulness of cell-penetrating peptides and penetration accelerating sequence for nose-to-brain delivery of glucagon-like peptide-2.

Usefulness of cell-penetrating peptides and penetration accelerating sequence for nose-to-brain delivery of glucagon-like peptide-2.

Journal: Journal of controlled release : official journal of the Controlled Release Society

Published: March 01, 2021

Oxytocin reverses Aβ-induced impairment of hippocampal synaptic plasticity in mice.

Oxytocin reverses Aβ-induced impairment of hippocampal synaptic plasticity in mice.

Journal: Biochemical and biophysical research communications

Published: March 25, 2020

Selective agonists of the δ-opioid receptor, KNT-127 and SNC80, act differentially on extinction learning of contextual fear memory in mice.

Selective agonists of the δ-opioid receptor, KNT-127 and SNC80, act differentially on extinction learning of contextual fear memory in mice.

Journal: Neuropharmacology

Published: June 28, 2019

Improving Effects of Peptides on Brain Malfunction and Intranasal Delivery of Those Derivatives to the Brain

Improving Effects of Peptides on Brain Malfunction and Intranasal Delivery of Those Derivatives to the Brain

Journal: Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan

Published: May 08, 2019

Systemic administration of a delta opioid receptor agonist, KNT-127, facilitates extinction learning of fear memory in rats.

Systemic administration of a delta opioid receptor agonist, KNT-127, facilitates extinction learning of fear memory in rats.

Journal: Journal of pharmacological sciences

Published: November 21, 2018

A delta opioid receptor agonist, KNT-127, in the prelimbic medial prefrontal cortex attenuates glial glutamate transporter blocker-induced anxiety-like behavior in mice.

A delta opioid receptor agonist, KNT-127, in the prelimbic medial prefrontal cortex attenuates glial glutamate transporter blocker-induced anxiety-like behavior in mice.

Journal: Journal of pharmacological sciences

Published: July 23, 2018

Showing 1-12 of 43

Last Updated: 09/26/2026