Kajiyama S, Nakanishi N, Yamamoto S, Ichikawa T, Okamura T, Hashimoto Y, Kitagawa N, Hamaguchi M, Fukui M (2023)
The Impact of Nutritional Markers and Dietary Habits on the Bioimpedance Phase Angle in Older Individuals
Nutrients 15:

Iwata-Yoshikawa N, Okamura T, Shimizu Y, Kotani O, Sato H, Sekimukai H, Fukushi S, Suzuki T, Sato Y, Takeda M, Tashiro M, Hasegawa H, Nagata N (2019)
Acute Respiratory Infection in Human Dipeptidyl Peptidase 4-Transgenic Mice Infected with Middle East Respiratory Syndrome Coronavirus
J Virol 93:

Okada T, Morino K, Nakagawa F, Tawa M, Kondo K, Sekine O, Imamura T, Okamura T, Ugi S, Maegawa H (2017)
N-3 Polyunsaturated Fatty Acids Decrease the Protein Expression of Soluble Epoxide Hydrolase via Oxidative Stress-Induced P38 Kinase in Rat Endothelial Cells
Nutrients 9:

Ueshima H, Kadowaki T, Hisamatsu T, Fujiyoshi A, Miura K, Ohkubo T, Sekikawa A, Kadota A, Kadowaki S, Nakamura Y, Miyagawa N, Okamura T, Kita Y, Takashima N, Kashiwagi A, Maegawa H, Horie M, Yamamoto T, Kimura T, Kita T (2016)
Lipoprotein-associated phospholipase A2 is related to risk of subclinical atherosclerosis but is not supported by Mendelian randomization analysis in a general Japanese population
Atherosclerosis 246: 141

Toda N, Ayajiki K, Okamura T (2014)
Obesity-induced cerebral hypoperfusion derived from endothelial dysfunction: one of the risk factors for Alzheimer's disease
Curr Alzheimer Res 11: 733

Kikuchi T, Okamura T, Zhang MR, Irie T (2013)
PET probes for imaging brain acetylcholinesterase
J Labelled Comp Radiopharm 56: 172

Toda N, Okamura T (2012)
Cerebral blood flow regulation by nitric oxide in Alzheimer's disease
J Alzheimers Dis 32: 569

Ohya T, Okamura T, Nagai Y, Fukushi K, Irie T, Suhara T, Zhang MR, Fukumura T, Kikuchi T (2011)
Effect of radiolabeled metabolite elimination from the brain on the accuracy of cerebral enzyme activity estimation using positron emission tomography with substrate tracers
Neuroimage 56: 1105

Kikuchi T, Okamura T, Zhang MR, Fukushi K, Irie T (2010)
In vivo evaluation of N-[18F]fluoroethylpiperidin-4ylmethyl acetate in rats compared with MP4A as a probe for measuring cerebral acetylcholinesterase activity
Synapse 64: 209

Kikuchi T, Okamura T, Arai T, Obata T, Fukushi K, Irie T, Shiraishi T (2010)
Use of a novel radiometric method to assess the inhibitory effect of donepezil on acetylcholinesterase activity in minimally diluted tissue samples
British Journal of Pharmacology 159: 1732

Kikuchi T, Okamura T, Fukushi K, Irie T (2010)
Piperidine-4-methanthiol ester derivatives for a selective acetylcholinesterase assay
Biol Pharm Bull 33: 702

Kikuchi T, Okamura T, Fukushi K, Takahashi K, Toyohara J, Okada M, Zhang MR, Irie T (2007)
Cerebral acetylcholinesterase imaging: development of the radioprobes
Curr Top Med Chem 7: 1790

Kikuchi T, Zhang MR, Ikota N, Fukushi K, Okamura T, Suzuki K, Arano Y, Irie T (2005)
N-[18F] fluoroethylpiperidin-4ylmethyl acetate, a novel lipophilic acetylcholine analogue for PET measurement of brain acetylcholinesterase activity
Journal of Medicinal Chemistry 48: 2577

Kikuchi T, Zhang MR, Ikota N, Fukushi K, Okamura T, Suzuki K, Arano Y, Irie T (2004)
N-[18F]fluoroethylpiperidin-4-ylmethyl butyrate: a novel radiotracer for quantifying brain butyrylcholinesterase activity by positron emission tomography
Bioorganic & Medicinal Chemistry Lett 14: 1927

Toda M, Okamura T, Fujimiya M, Azuma I, Toda N (1999)
Mechanisms underlying the neurogenic relaxation of isolated porcine sphincter pupillae
Experimental Eye Research 68: 505

Toda N, Toda M, Ayajiki K, Okamura T (1998)
Cholinergic nerve function in monkey ciliary arteries innervated by nitroxidergic nerve
American Journal of Physiology Heart Circ Physiol 274: H1582

Toda N, Toda M, Ayajiki K, Okamura T (1998)
Cholinergic nerve function in monkey ciliary arteries innervated by nitroxidergic nerve
American Journal of Physiology 274: H1582

Toda M, Okamura T, Azuma I, Toda N (1997)
Modulation by neurogenic acetylcholine of nitroxidergic nerve function in porcine ciliary arteries
Invest Ophthalmol Vis Sci 38: 2261

Zhang JX, Okamura T, Toda N (1997)
Prejunctional regulation by endogenous and exogenous acetylcholine of adrenergic nerve function in isolated canine mesenteric arteries
Hypertens Res 20: 119