Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

A. Koumura · SciRah

Researcher profile · Semantic Scholar

A. Koumura

Share profile

A. Koumura — researcher profile on SciRah

h-index: 16
Works: 42
Citations: 890

Most-cited papers

Patterns of levels of biological metals in CSF differ among neurodegenerative diseases.
I. Hozumi, T. Hasegawa, Akiko Honda, Kazuhiro Ozawa +9 more
2011Journal of Neurological Sciences253 citations
Semantic Scholar
Is there a delayed gastric emptying of patients with early-stage, untreated Parkinson’s disease? An analysis using the 13C-acetate breath test
Yuji Tanaka, T. Kato, H. Nishida, M. Yamada +10 more
2011Journal of Neurology75 citations
Semantic Scholar
A novel calpain inhibitor, ((1S)-1((((1S)-1-benzyl-3-cyclopropylamino-2,3-di-oxopropyl)amino)carbonyl)-3-methylbutyl) carbamic acid 5-methoxy-3-oxapentyl ester, protects neuronal cells from cerebral ischemia-induced damage in mice.
A. Koumura, Y. Nonaka, K. Hyakkoku, T. Oka +4 more
2008Neuroscience60 citations
Semantic Scholar
Motor-dominant chronic inflammatory demyelinating polyneuropathy
Akio Kimura, T. Sakurai, A. Koumura, M. Yamada +6 more
2010Journal of Neurology43 citations
Semantic Scholar
Cardiac sympathetic function in the patients with amyotrophic lateral sclerosis: analysis using cardiac [123I] MIBG scintigraphy
Yuji Tanaka, M. Yamada, A. Koumura, T. Sakurai +4 more
2013Journal of Neurology41 citations
Semantic Scholar
Fasudil and Ozagrel in Combination Show Neuroprotective Effects on Cerebral Infarction after Murine Middle Cerebral Artery Occlusion
A. Koumura, J. Hamanaka, K. Kawasaki, K. Tsuruma +4 more
2011Journal of Pharmacology and Experimental Therapeutics37 citations
Semantic Scholar
Combination Treatment with Normobaric Hyperoxia and Cilostazol Protects Mice against Focal Cerebral Ischemia-Induced Neuronal Damage Better Than Each Treatment Alone
Y. Nonaka, A. Koumura, Kana Hyakkoku, M. Shimazawa +3 more
2009Journal of Pharmacology and Experimental Therapeutics33 citations
Semantic Scholar
Antibodies in patients with neuropsychiatric systemic lupus erythematosus
Akio Kimura, Y. Kanoh, T. Sakurai, A. Koumura +7 more
2010Neurology28 citations
Semantic Scholar
Metallothionein-III knockout mice aggravates the neuronal damage after transient focal cerebral ischemia.
A. Koumura, J. Hamanaka, M. Shimazawa, Akiko Honda +6 more
2009Brain Research28 citations
Semantic Scholar
Metallothionein-3 deficient mice exhibit abnormalities of psychological behaviors.
A. Koumura, K. Kakefuda, Akiko Honda, Yasushi Ito +7 more
2009Neuroscience Letters27 citations
Semantic Scholar
High prevalence of autoantibodies against phosphoglycerate mutase 1 in patients with autoimmune central nervous system diseases.
Akio Kimura, T. Sakurai, A. Koumura, Megumi Yamada +7 more
2010Journal of Neuroimmunology24 citations
Semantic Scholar
Is there delayed gastric emptying in patients with multiple system atrophy? An analysis using the 13C-acetate breath test
Yuji Tanaka, T. Kato, H. Nishida, M. Yamada +10 more
2012Journal of Neurology22 citations
Semantic Scholar
Longitudinal analysis of cytokines and chemokines in the cerebrospinal fluid of a patient with Neuro-Sweet disease presenting with recurrent encephalomeningitis.
Akio Kimura, T. Sakurai, A. Koumura, Yoshihiro Suzuki +5 more
2008Internal medicine22 citations Open access
Semantic Scholar
Progressive multifocal leukoencephalopathy and CD4+ T-lymphocytopenia in a patient with Sjögren syndrome
Yuichi Hayashi, Akio Kimura, S. Kato, A. Koumura +8 more
2008Journal of Neurological Sciences22 citations
Semantic Scholar
Anti-endothelial cell antibodies in patients with cerebral small vessel disease.
Akio Kimura, T. Sakurai, M. Yamada, A. Koumura +8 more
2012Current Neurovascular Research19 citations
Semantic Scholar
Late-onset patients with sporadic amyotrophic lateral sclerosis in Japan have a higher progression rate of ALSFRS-R at the time of diagnosis.
Yuji Tanaka, N. Yoshikura, Naoko Harada, M. Yamada +6 more
2012Internal medicine18 citations Open access
Semantic Scholar
Reduction in the numbers of drugs administered to elderly in‐patients with polypharmacy by a multidisciplinary review of medication using electronic medical records
Yuichi Hayashi, Ayumi Godai, M. Yamada, N. Yoshikura +8 more
2017Geriatrics & Gerontology International15 citations
Semantic Scholar
B-cell-activating factor belonging to the tumor necrosis factor family (BAFF) and a proliferation-inducing ligand (APRIL) levels in cerebrospinal fluid of patients with meningoencephalitis.
Akio Kimura, N. Yoshikura, A. Koumura, Yuichi Hayashi +1 more
2015Journal of Neurological Sciences14 citations
Semantic Scholar
Elevated anti-heat shock protein 60 antibody titer is related to white matter hyperintensities.
Akio Kimura, T. Sakurai, M. Yamada, A. Koumura +6 more
2012Journal of Stroke & Cerebrovascular Diseases13 citations
Semantic Scholar
Identification of antibodies as biological markers in serum from multiple sclerosis patients by immunoproteomic approach.
T. Sakurai, Akio Kimura, M. Yamada, A. Koumura +4 more
2011Journal of Neuroimmunology12 citations
Semantic Scholar
[Case report of a patient with Hashimoto's encephalopathy associated with Basedow's disease mimicking Creutzfeldt-Jakob disease].
T. Sakurai, Yuji Tanaka, A. Koumura, Yuichi Hayashi +4 more
2008Brain and nerve = Shinkei kenkyu no shinpo12 citations
Semantic Scholar
Identification of target antigens of naturally occurring autoantibodies in cerebrospinal fluid.
Akio Kimura, N. Yoshikura, A. Koumura, Yuichi Hayashi +4 more
2015Journal of Proteomics10 citations
Semantic Scholar
Is there a difference in gastric emptying between myotonic dystrophy type 1 patients with and without gastrointestinal symptoms?
Yuji Tanaka, T. Kato, H. Nishida, M. Yamada +10 more
2013Journal of Neurology10 citations
Semantic Scholar
Acute‐Onset Severe Occipital Neuralgia Associated With High Cervical Lesion in Patients With Neuromyelitis Optica Spectrum Disorder
Yuichi Hayashi, A. Koumura, M. Yamada, Akio Kimura +2 more
2017Headache8 citations
Semantic Scholar
Antibodies Against the Tom40 Subunit of the Translocase of the Outer Mitochondrial Membrane Complex and Cognitive Impairment in Alzheimer's Disease
Akio Kimura, T. Sakurai, M. Yamada, A. Koumura +8 more
2012Journal of Alzheimer's Disease8 citations
Semantic Scholar
Neuromyelitis optica in Japanese sisters.
Yuji Tanaka, N. Yoshikura, Naoko Harada, M. Yamada +7 more
2011Internal medicine8 citations Open access
Semantic Scholar
[A case of hyperammonemia resulting from urinary tract infection caused by urease-producing bacteria in a Parkinson's disease patient with drug-induced urinary retention].
M. Yasunishi, A. Koumura, Yuichi Hayashi, S. Nishida +1 more
2017Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics7 citations Open access
Semantic Scholar
Diffuse skeletal muscles uptake of [18F] fluorodeoxyglucose on positron emission tomography in primary muscle peripheral T-cell lymphoma.
Yuji Tanaka, Yuichi Hayashi, Junichi Kato, M. Yamada +12 more
2011Internal medicine7 citations Open access
Semantic Scholar
[Case of varicella myelitis in nursing care worker].
Mariko Takei-Suzuki, Yuichi Hayashi, Akio Kimura, Mamoru Nagasawa +5 more
2008Brain and nerve = Shinkei kenkyu no shinpo5 citations
Semantic Scholar
Markedly ring-enhanced optic nerves due to metastasis of signet-ring cell gastric carcinoma.
Yuichi Hayashi, Takehiro Kato, Yuji Tanaka, M. Yamada +4 more
2010Internal medicine4 citations Open access
Semantic Scholar
Identification of target antigens of antiendothelial cell antibodies against human brain microvascular endothelial cells in healthy subjects.
Akio Kimura, T. Sakurai, N. Yoshikura, A. Koumura +5 more
2015Current Neurovascular Research2 citations
Semantic Scholar
Acute-onset severe occipital neuralgia as a manifestation of neuromyelitis optica spectrum disorder relapse: A case series study
Yukiko K. Hayashi, A. Koumura, Masahito Yamada, Akio Kimura +2 more
20170 citations
Semantic Scholar
Chronological Process of Cardiac Sympathetic Function in Patients with Amyotrophic Lateral Sclerosis (P2.065)
Yuji Tanaka, M. Yamada, A. Koumura, Yuichi Hayashi +2 more
2015Neurology0 citations
Semantic Scholar
Chronological Changes in Cardiac Sympathetic Function in Patients with Ayotrophic Lateral Sclerosis: An Analysis Using Cardiac I-123-MIBG Scintigraphy (P4.090)
Yuji Tanaka, M. Yamada, A. Koumura, Yuichi Hayashi +2 more
2014Neurology0 citations
Semantic Scholar
[A case of nonsystemic vasculitic neuropathy with spondylosis deformans in an 84-year-old woman].
M. Yamada, Yuji Tanaka, Akio Kimura, A. Koumura +5 more
2013Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics0 citations Open access
Semantic Scholar
Pure Motor Chronic Inflammatory Demyelinating Polyneuropathy (P01.151)
Akio Kimura, A. Koumura, T. Sakurai, Yuichi Hayashi +1 more
2013Neurology0 citations
Semantic Scholar
Cardiac Sympathetic Function in the Patients with Amyotrophic Lateral Sclerosis: An Analysis Using Cardiac I-123-MIBG Scintigraphy (P06.135)
Yuji Tanaka, Megumi Yamada, A. Koumura, T. Sakurai +4 more
2013Neurology0 citations
Semantic Scholar
[Case report; Two cases of neurolymphomatosis as a manifestation of relapsed non-Hodgkin lymphoma].
Naoko Harada, M. Tomita, Akio Kimura, A. Koumura +6 more
2012Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine0 citations Open access
Semantic Scholar
Is There a Difference in Gastric Emptying between Myotonic Dystrophy Patients with and without Gastrointestinal Symptoms? An Analysis Using the 13C-Acetate Breath Test (P05.190)
Yuji Tanaka, T. Kato, H. Nishida, Masahito Yamada +6 more
20120 citations
Semantic Scholar
The Clinical Characterstics of Aseptic Meningitis with Selective IgG Subclass 3 Deficiency (S57.004)
Yuichi Hayashi, M. Yamada, N. Yoshikura, Naoko Harada +4 more
20120 citations
Semantic Scholar
Anti-Endothelial Cell Antibodies in Patients with Alzheimer Disease (P05.052)
Akio Kimura, T. Sakurai, Masahito Yamada, A. Koumura +6 more
20120 citations
Semantic Scholar
[Report from the 11th Tokai Chapter Educational Seminar: 81 year old female with headache and fatigue of unknown cause, developing chest pain and hemiplegia during treatment].
Koji Oka, Akiko Suzuki, Y. Hakamata, T. Hirose +8 more
2011Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine0 citations Open access
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

T. Inuzuka×39
Invite
T. Inuzuka — researcher profile on SciRah
Akio Kimura×35
Invite
Akio Kimura — researcher profile on SciRah
Yuichi Hayashi×31
Invite
Yuichi Hayashi — researcher profile on SciRah
I. Hozumi×27
Invite
I. Hozumi — researcher profile on SciRah

×26

Invite

Yuji Tanaka — researcher profile on SciRah

Invite

T. Sakurai — researcher profile on SciRah

Invite

M. Yamada — researcher profile on SciRah

Invite

H. Moriwaki — researcher profile on SciRah

N. Yoshikura×7

Invite

N. Yoshikura — researcher profile on SciRah

Invite

M. Seishima — researcher profile on SciRah

M. Shimazawa×5

Invite

M. Shimazawa — researcher profile on SciRah

Naoko Harada×5

Invite

Naoko Harada — researcher profile on SciRah