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Masahiro Ohsawa

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Junzo Kamei; Yuki Nakanishi; Yoko Ishikawa; Shun-Suke Hayashi; Megumi Asato; Masahiro Ohsawa
Possible involvement of tetrodotoxin-resistant sodium channels in cough reflex.
Shigeo Miyata; Shoko Hirano; Masahiro Ohsawa; Junzo Kamei
Chlorpheniramine exerts anxiolytic-like effects and activates prefrontal 5-HT systems in mice.
Masahiro Ohsawa; Anja Sandström; Takayuki Koizumi; Yuki Nakanishi; Fred Nyberg; Megumi Asato; Anna Carlsson; Rebecca Fransson; Mathias Hallberg; Junzo Kamei
The dipeptide Phe-Phe amide attenuates signs of hyperalgesia, allodynia and nociception in diabetic mice using a mechanism involving the sigma receptor system.

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All Publications

2011: Junzo Kamei; Yuki Nakanishi; Yoko Ishikawa; Shun-Suke Hayashi; Megumi Asato; Masahiro Ohsawa
Possible involvement of tetrodotoxin-resistant sodium channels in cough reflex.
European journal of pharmacology 2011;652(1-3):117-20.
2011: Shigeo Miyata; Shoko Hirano; Masahiro Ohsawa; Junzo Kamei
Chlorpheniramine exerts anxiolytic-like effects and activates prefrontal 5-HT systems in mice.
Psychopharmacology 2011;213(2-3):441-52.
2011: Masahiro Ohsawa; Anja Sandström; Takayuki Koizumi; Yuki Nakanishi; Fred Nyberg; Megumi Asato; Anna Carlsson; Rebecca Fransson; Mathias Hallberg; Junzo Kamei
The dipeptide Phe-Phe amide attenuates signs of hyperalgesia, allodynia and nociception in diabetic mice using a mechanism involving the sigma receptor system.
Molecular pain 2011;7():85.
2011: Masahiro Ohsawa; Megumi Aasato; Shun-Suke Hayashi; Junzo Kamei
RhoA/Rho kinase pathway contributes to the pathogenesis of thermal hyperalgesia in diabetic mice.
Pain 2011;152(1):114-22.
2011: Masahiro Ohsawa; Anna Carlsson; Megumi Asato; Takayuki Koizumi; Yuki Nakanishi; Rebecca Fransson; Anja Sandström; Mathias Hallberg; Fred Nyberg; Junzo Kamei
The effect of substance P1-7 amide on nociceptive threshold in diabetic mice.
Peptides 2011;32(1):93-8.
2010: Masahiro Ohsawa; Junzo Kamei
RhoA/Rho kinase signaling in the spinal cord and diabetic painful neuropathy.
European journal of pharmacology 2010;644(1-3):1-4.
2010: Masahiro Ohsawa; Shun-suke Hayashi; Junzo Kamei
Effect of acute topical application of +-pentazocine on the mechanical allodynia in diabetic mice.
European journal of pharmacology 2010;641(1):49-53.
2009: Junzo Kamei; Shigeo Miyata; Masahiro Ohsawa
Involvement of the benzodiazepine system in the anxiolytic-like effect of Yokukansan (Yi-gan san).
Progress in neuro-psychopharmacology & biological psychiatry 2009;33(8):1431-7.
2008: Junzo Kamei; Masahiro Ohsawa; Shigeo Miyata; Shun-ichi Tanaka
Preventive effect of L-carnosine on changes in the thermal nociceptive threshold in streptozotocin-induced diabetic mice.
European journal of pharmacology 2008;600(1-3):83-6.
2008: Junzo Kamei; Masahiro Ohsawa; Shigeo Miyata; Kazuki Endo; Hiroyuki Hayakawa
Effects of cytidine 5'-diphosphocholine (CDP-choline) on the thermal nociceptive threshold in streptozotocin-induced diabetic mice.
European journal of pharmacology 2008;598(1-3):32-6.
2008: Junzo Kamei; Shigeo Miyata; Takayuki Sunohara; Atsuko Kamei; Masahiko Shimada; Masahiro Ohsawa
Potentiation of the antidepressant-like effect of fluoxetine by aripiprazole in the mouse tail suspension test.
Journal of pharmacological sciences 2008;108(3):381-4.
2008: Masahiro Ohsawa; Shigeo Miyata; Anna Carlsson; Junzo Kamei
Preventive effect of acetyl-L-carnitine on the thermal hypoalgesia in streptozotocin-induced diabetic mice.
European journal of pharmacology 2008;588(2-3):213-6.
2007: Shigeo Miyata; Toshiko Shimoi; Shoko Hirano; Naoko Yamada; Yoko Hata; Naoki Yoshikawa; Masahiro Ohsawa; Junzo Kamei
Effects of serotonergic anxiolytics on the freezing behavior in the elevated open-platform test in mice.
Journal of pharmacological sciences 2007;105(3):272-8.
2005: Masahiro Ohsawa; Junzo Kamei
Modification of kappa-opioid receptor agonist-induced antinociception by diabetes in the mouse brain and spinal cord.
Journal of pharmacological sciences 2005;98(1):25-32.
2001: Junzo Kamei; Masahiro Ohsawa; M Tsuji; H Takeda; T Matsumiya
Modification of the effects of benzodiazepines on the exploratory behaviors of mice on a hole-board by diabetes.
Japanese journal of pharmacology 2001;86(1):47-54.
2000: Junzo Kamei; Masahiro Ohsawa
Socio-psychological stress-induced antinociception in diabetic mice.
Psychopharmacology 2000;149(4):397-400.
2000: Junzo Kamei; K Taki; Masahiro Ohsawa; H Hitosugi
Modulation of the formalin-induced nociceptive response by diabetes: possible involvement of intracellular calcium.
Brain research 2000;862(1-2):257-61.
2000: Junzo Kamei; Ko Zushida; Masahiro Ohsawa; Hiroshi Nagase
The antinociceptive effects of endomorphin-1 and endomorphin-2 in diabetic mice.
European journal of pharmacology 2000;391(1-2):91-6.
2000: Junzo Kamei; Masahiro Ohsawa; H Hitosugi
Effect of diabetes on bradykinin-induced thermal hyperalgesia in mice.
European journal of pharmacology 2000;390(1-2):113-8.
1999: Junzo Kamei; Kayo Morita; Masahiro Ohsawa; Kenji Onodera
Effects of epinastine on the antitussive and rewarding effects of dihydrocodeine in mice.
Methods and findings in experimental and clinical pharmacology 1999;21(10):663-8.
1999: Junzo Kamei; Masahiro Ohsawa; Tsutomu Suzuki; Akiyoshi Saitoh; T Endoh; Minoru Narita; Leon F Tseng; Hiroshi Nagase
The modulatory effect of (+)-TAN-67 on the antinociceptive effects of the nociceptin/orphanin FQ in mice.
European journal of pharmacology 1999;383(3):241-7.
1999: Junzo Kamei; K Taki; Masahiro Ohsawa; Hiroshi Nagase; Kenji Onodera
Involvement of spinal delta 1-opioid receptors in forced walking stress-induced antinociception in the tail-flick test in mice.
Methods and findings in experimental and clinical pharmacology 1999;21(9):595-8.
1999: Masahiro Ohsawa; Junzo Kamei
Modification of the effect of diazepam on the propofol-induced loss of the righting reflex in mice by diabetes.
Brain research 1999;833(2):282-5.
1999: Masahiro Ohsawa; Junzo Kamei
Role of intracellular calcium in thermal allodynia and hyperalgesia in diabetic mice.
Brain research 1999;833(2):278-81.
1999: H Hitosugi; T Kashiwazaki; Masahiro Ohsawa; Junzo Kamei
Effects of mexiletine on algogenic mediator-induced nociceptive responses in mice.
Methods and findings in experimental and clinical pharmacology 1999;21(6):409-13.
1999: Masahiro Ohsawa; Shun-ichi Tanaka; Junzo Kamei
Possible mechanisms for insulin-induced attenuation of the antinociceptive effect of [D-Ala2, N-MePhe4, Gly-ol5]enkephalin.
European journal of pharmacology 1999;373(2-3):181-6.
1999: Masahiro Ohsawa; Junzo Kamei
Possible involvement of spinal protein kinase C in thermal allodynia and hyperalgesia in diabetic mice.
European journal of pharmacology 1999;372(3):221-8.
1999: Junzo Kamei; Masahiro Ohsawa; T Kashiwazaki; Hiroshi Nagase
Antinociceptive effects of the ORL1 receptor agonist nociceptin/orphanin FQ in diabetic mice.
European journal of pharmacology 1999;370(2):109-16.
1999: P Xiao; Hajime Kubo; Masahiro Ohsawa; Kimio Higashiyama; Hiroshi Nagase; Y N Yan; J S Li; Junzo Kamei; S Ohmiya
kappa-Opioid receptor-mediated antinociceptive effects of stereoisomers and derivatives of (+)-matrine in mice.
Planta medica 1999;65(3):230-3.
1999: Masahiro Ohsawa; Junzo Kamei
Modification of the expression of naloxone-precipitated withdrawal signs in morphine-dependent mice by diabetes: possible involvement of protein kinase C.
Japanese journal of pharmacology 1999;79(3):303-11.
1999: Masahiro Ohsawa; Junzo Kamei
Role of intracellular calcium on the modulation of naloxone-precipitated withdrawal jumping in morphine-dependent mice by diabetes.
Brain research 1999;815(2):424-30.
1998: Masahiro Ohsawa; Junzo Kamei
Possible involvement of protein kinase C in the attenuation of the morphine-induced Straub tail reaction in diabetic mice.
European journal of pharmacology 1998;362(1):47-51.
1998: Masahiro Ohsawa; T Kashiwazaki; Junzo Kamei
Modulation of the formalin-induced nociceptive response by diabetes: possible involvement of protein kinase C.
Brain research 1998;803(1-2):198-203.
1998: Masahiro Ohsawa; Hiroshi Nagase; Junzo Kamei
Role of intracellular calcium in modification of mu and delta opioid receptor-mediated antinociception by diabetes in mice.
The Journal of pharmacology and experimental therapeutics 1998;286(2):780-7.
1998: Junzo Kamei; Kayo Morita; T Kashiwazaki; Masahiro Ohsawa
Antitussive effect of moguisteine on allergic coughs in the guinea pig.
European journal of pharmacology 1998;347(2-3):253-5.
1998: Junzo Kamei; Masahiro Ohsawa; Midori Sodeyama; M Kimura; Shun-ichi Tanaka
Intraventricular insulin reduces the antinociceptive effect of [D-Ala2, NMePhe4, Gly-ol5]enkephalin in mice.
European journal of pharmacology 1998;345(2):171-4.
1998: Junzo Kamei; Midori Sodeyama; Masahiro Ohsawa; M Kimura; Shun-ichi Tanaka
Modulation by serum glucose levels on morphine-induced antinociceptive effect in C57BL/KsJ-db/db mice.
Life sciences 1998;62(1):PL1-6.
1997: Masahiro Ohsawa; Junzo Kamei
Possible involvement of protein kinase C in the attenuation of [D-Ala2, NMePhe4, Gly-ol5]enkephalin-induced antinociception in diabetic mice.
European journal of pharmacology 1997;339(1):27-31.
1997: Junzo Kamei; Masahiro Ohsawa
Effects of streptozotocin-induced diabetes on place conditioning action of cocaine in mice.
Japanese journal of pharmacology 1997;75(3):299-301.
1997: Junzo Kamei; P Xiao; Masahiro Ohsawa; Hajime Kubo; Kimio Higashiyama; H Takahashi; J Li; Hiroshi Nagase; S Ohmiya
Antinociceptive effects of (+)-matrine in mice.
European journal of pharmacology 1997;337(2-3):223-6.
1997: Junzo Kamei; Masahiro Ohsawa; Tsutomu Suzuki; Hiroshi Nagase
Modification of morphine-induced place preference by diabetes.
European journal of pharmacology 1997;337(2-3):137-45.
1997: Masahiro Ohsawa; Junzo Kamei
Pretreatment with the protein kinase C activator phorbol 12,13-dibutyrate attenuates the ethanol-induced loss of the righting reflex in mice: modification by diabetes.
Brain research 1997;764(1-2):244-8.
1997: Junzo Kamei; Masahiro Ohsawa
Role of noradrenergic functions in the modification of naloxone-precipitated withdrawal jumping in morphine-dependent mice by diabetes.
Life sciences 1997;60(15):PL223-8.
1996: Junzo Kamei; Masahiro Ohsawa
Effects of diabetes on methamphetamine-induced place preference in mice.
European journal of pharmacology 1996;318(2-3):251-6.
1996: Junzo Kamei; Masahiro Ohsawa; Hiroshi Nagase
Possible involvement of mu 2-opioid receptor-mediated mechanisms in morphine-induced enhancement of the pentobarbital-induced loss of the righting reflex in the mouse.
Life sciences 1996;59(22):PL349-53.
1995: Junzo Kamei; Masahiro Ohsawa; Akiyoshi Saitoh; Y Iwamoto; T Suzuki; Miwa Misawa; Hiroshi Nagase; Y Kasuya
Modification of mu-opioid agonist-induced locomotor activity and development of morphine dependence by diabetes.
The Journal of pharmacology and experimental therapeutics 1995;274(2):700-6.
1995: Junzo Kamei; Masahiro Ohsawa; Miwa Misawa; Hiroshi Nagase; Y Kasuya
Effect of diabetes on the morphine-induced inhibition of gastrointestinal transit.
Nihon shinkei seishin yakurigaku zasshi = Japanese journal of psychopharmacology 1995;15(2):165-9.
1995: Junzo Kamei; Akiyoshi Saitoh; Masahiro Ohsawa; T Suzuki; Miwa Misawa; Hiroshi Nagase; Y Kasuya
Antinociceptive effects of the selective non-peptidic delta-opioid receptor agonist TAN-67 in diabetic mice.
European journal of pharmacology 1995;276(1-2):131-5.
1994: Junzo Kamei; Masahiro Ohsawa; Miwa Misawa; Hiroshi Nagase; Y Kasuya
Effects of diabetes on the morphine-induced Straub tail reaction in mice.
Neuroscience letters 1994;178(1):66-8.