A. Ishikawa

1.4k total citations · 1 hit paper
7 papers, 1.1k citations indexed

About

A. Ishikawa is a scholar working on Cellular and Molecular Neuroscience, Molecular Biology and Neurology. According to data from OpenAlex, A. Ishikawa has authored 7 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Cellular and Molecular Neuroscience, 4 papers in Molecular Biology and 3 papers in Neurology. Recurrent topics in A. Ishikawa's work include Genetic Neurodegenerative Diseases (5 papers), Neurological disorders and treatments (2 papers) and Mitochondrial Function and Pathology (2 papers). A. Ishikawa is often cited by papers focused on Genetic Neurodegenerative Diseases (5 papers), Neurological disorders and treatments (2 papers) and Mitochondrial Function and Pathology (2 papers). A. Ishikawa collaborates with scholars based in Japan. A. Ishikawa's co-authors include Osamu Onodera, S. Igarashi, Hajime Tanaka, Reiji Koide, Akemi Tomoda, Takeshi Ikeuchi, Hitoshi Takahashi, Teruhisa Miike, Haruhiko Naito and K. Endo and has published in prestigious journals such as Nature Genetics, Neurology and Acta Neuropathologica.

In The Last Decade

A. Ishikawa

7 papers receiving 1.1k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Unstable expansion of CAG repeat in hereditary dentatorubral–pallidoluysian atrophy (DRPLA)

1994 904 citations Reiji Koide, Takeshi Ikeuchi et al. Nature Genetics profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
A. Ishikawa Japan	4	964	912	387	184	69	7	1.1k
Olivier Didierjean France	10	1.5k 1.5×	1.4k 1.5×	697 1.8×	80 0.4×	66 1.0×	13	1.7k
Mary L. Franz United States	12	970 1.0×	818 0.9×	493 1.3×	94 0.5×	24 0.3×	16	1.1k
Maria do Carmo Costa United States	22	988 1.0×	1.1k 1.2×	298 0.8×	82 0.4×	61 0.9×	37	1.3k
Gilles David France	11	1.8k 1.8×	1.7k 1.9×	598 1.5×	127 0.7×	58 0.8×	15	1.9k
Yorck Hellenbroich Germany	17	527 0.5×	661 0.7×	235 0.6×	277 1.5×	57 0.8×	44	952
Thorsten Schulte Germany	11	882 0.9×	679 0.7×	565 1.5×	46 0.3×	34 0.5×	15	1.1k
H G Harley United Kingdom	18	790 0.8×	778 0.9×	298 0.8×	215 1.2×	46 0.7×	35	1.0k
Joline Dalton United States	10	817 0.8×	898 1.0×	290 0.7×	98 0.5×	74 1.1×	18	1.1k
Colleen Callahan United States	8	518 0.5×	512 0.6×	204 0.5×	122 0.7×	25 0.4×	10	715
Imma Castaldo Italy	18	723 0.8×	820 0.9×	307 0.8×	70 0.4×	15 0.2×	27	973

Countries citing papers authored by A. Ishikawa

Since Specialization

Citations

This map shows the geographic impact of A. Ishikawa's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by A. Ishikawa with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A. Ishikawa more than expected).

Fields of papers citing papers by A. Ishikawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A. Ishikawa. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by A. Ishikawa. The network helps show where A. Ishikawa may publish in the future.

Co-authorship network of co-authors of A. Ishikawa

This figure shows the co-authorship network connecting the top 25 collaborators of A. Ishikawa. A scholar is included among the top collaborators of A. Ishikawa based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with A. Ishikawa. A. Ishikawa is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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7 of 7 papers shown

1.

Ishikawa, A., Kiyomitsu Oyanagi, Keiko Tanaka, et al.. (1999). A non-familial Huntington's disease patient with grurnose degeneration in the dentate nucleus. Acta Neurologica Scandinavica. 99(5). 322–326. 3 indexed citations

2.

Koide, Reiji, Osamu Onodera, Takeshi Ikeuchi, et al.. (1997). Atrophy of the cerebellum and brainstem in dentatorubral pallidoluysian atrophy. Neurology. 49(6). 1605–1612. 68 indexed citations

3.

Koide, Reiji, Takeshi Ikeuchi, Osamu Onodera, et al.. (1994). Unstable expansion of CAG repeat in hereditary dentatorubral–pallidoluysian atrophy (DRPLA). Nature Genetics. 6(1). 9–13. 904 indexed citations breakdown →

4.

Igarashi, S., Yoshinori Tanno, Osamu Onodera, et al.. (1992). Strong correlation between the number of CAG repeats in androgen receptor genes and the clinical onset of features of spinal and bulbar muscular atrophy. Neurology. 42(12). 2300–2300. 148 indexed citations

5.

Ishikawa, A., Nobuyuki Miyatani, Tatsuhiko Yuasa, Kimitaka Tanaka, & Kiyomitsu Oyanagi. (1990). [An autopsied case of manifesting chorea, serum antibody to brain proteins, neuronal degeneration in striatum and grumose degeneration in dentate nucleus].. PubMed. 30(5). 510–5. 1 indexed citations

6.

Amano, Naoji, et al.. (1985). Postnatal sudanophilic leukodystrophy in two siblings. Acta Neuropathologica. 67(1-2). 103–113. 4 indexed citations

7.

Ishikawa, A., et al.. (1985). [Leigh encephalopathy with laminar necrosis of cerebral cortex, neuronal loss in corpus striatum and cerebellar folia; an autopsy case].. PubMed. 17(3). 256–63. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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