Asuka Oku

3.8k total citations · 2 hit papers
14 papers, 3.0k citations indexed

About

Asuka Oku is a scholar working on Clinical Biochemistry, Molecular Biology and Biochemistry. According to data from OpenAlex, Asuka Oku has authored 14 papers receiving a total of 3.0k indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Clinical Biochemistry, 7 papers in Molecular Biology and 6 papers in Biochemistry. Recurrent topics in Asuka Oku's work include Metabolism and Genetic Disorders (8 papers), Amino Acid Enzymes and Metabolism (6 papers) and Mitochondrial Function and Pathology (4 papers). Asuka Oku is often cited by papers focused on Metabolism and Genetic Disorders (8 papers), Amino Acid Enzymes and Metabolism (6 papers) and Mitochondrial Function and Pathology (4 papers). Asuka Oku collaborates with scholars based in Japan, United States and Switzerland. Asuka Oku's co-authors include Miyuki Shimane, Jun‐ichi Nezu, Ikumi Tamai, Yoshimichi Sai, Akira Tsuji, Hikaru Yabuuchi, Rikiya Ohashi, Akira Tsuji, Hiroshi Uchino and Asako Sakaue‐Sawano and has published in prestigious journals such as Journal of Biological Chemistry, Nature Genetics and Hepatology.

In The Last Decade

Asuka Oku

14 papers receiving 3.0k 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.

Molecular and Functional Identification of Sodium Ion-dependent, High Affinity Human Carnitine Transporter OCTN2

1998 584 citations Ikumi Tamai, Rikiya Ohashi et al. Journal of Biological Chemistry profile →
Molecular Identification and Characterization of Novel Members of the Human Organic Anion Transporter (OATP) Family

2000 505 citations Ikumi Tamai, Jun‐ichi Nezu et al. Biochemical and Biophysical Research Communications profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Asuka Oku Japan	14	1.5k	1.5k	1.3k	633	630	14	3.0k
Miyuki Shimane Japan	16	1.6k 1.1×	1.5k 1.0×	1.3k 1.0×	632 1.0×	636 1.0×	17	3.2k
Jun‐ichi Nezu Japan	34	2.7k 1.9×	2.8k 1.9×	1.9k 1.4×	884 1.4×	1.1k 1.8×	54	6.2k
C. Charpentier France	26	1.2k 0.8×	463 0.3×	1.0k 0.8×	271 0.4×	254 0.4×	85	2.3k
Henk van Lenthe Netherlands	28	1.5k 1.0×	600 0.4×	356 0.3×	125 0.2×	181 0.3×	73	2.3k
Harold F. Sims United States	35	2.3k 1.5×	100 0.1×	839 0.6×	743 1.2×	235 0.4×	62	3.8k
Rosa M. Pascale Italy	37	2.5k 1.7×	705 0.5×	122 0.1×	334 0.5×	120 0.2×	112	3.9k
Roelof Ottenhoff Netherlands	36	1.6k 1.1×	1.0k 0.7×	134 0.1×	222 0.4×	277 0.4×	77	4.0k
Run Lu United States	18	470 0.3×	636 0.4×	119 0.1×	215 0.3×	232 0.4×	26	1.5k
George Hoppe United States	27	1.4k 1.0×	125 0.1×	692 0.5×	124 0.2×	166 0.3×	51	3.0k
Margrit Schwarz United States	25	1.1k 0.8×	1.6k 1.1×	139 0.1×	134 0.2×	161 0.3×	29	2.9k

Countries citing papers authored by Asuka Oku

Since Specialization

Citations

This map shows the geographic impact of Asuka Oku'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 Asuka Oku with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Asuka Oku more than expected).

Fields of papers citing papers by Asuka Oku

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Asuka Oku. 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 Asuka Oku. The network helps show where Asuka Oku may publish in the future.

Co-authorship network of co-authors of Asuka Oku

This figure shows the co-authorship network connecting the top 25 collaborators of Asuka Oku. A scholar is included among the top collaborators of Asuka Oku 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 Asuka Oku. Asuka Oku is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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14 of 14 papers shown

1.

Ohashi, Rikiya, Ikumi Tamai, Jun‐ichi Nezu, et al.. (2001). Molecular and Physiological Evidence for Multifunctionality of Carnitine/Organic Cation Transporter OCTN2. Molecular Pharmacology. 59(2). 358–366. 15 indexed citations

2.

Ohashi, Rikiya, Ikumi Tamai, Jun‐ichi Nezu, et al.. (2001). Molecular and Physiological Evidence for Multifunctionality of Carnitine/Organic Cation Transporter OCTN2. Molecular Pharmacology. 59(2). 358–366. 153 indexed citations

3.

Launonen, Virpi, Egle Avizienyte, Anu Loukola, et al.. (2000). No evidence of Peutz-Jeghers syndrome gene LKB1 involvement in left-sided colorectal carcinomas.. PubMed. 60(3). 546–8. 27 indexed citations

4.

Tamai, Ikumi, Rikiya Ohashi, Jun‐ichi Nezu, et al.. (2000). Molecular and Functional Characterization of Organic Cation/Carnitine Transporter Family in Mice. Journal of Biological Chemistry. 275(51). 40064–40072. 241 indexed citations

5.

Tamai, Ikumi, Jun‐ichi Nezu, Hiroshi Uchino, et al.. (2000). Molecular Identification and Characterization of Novel Members of the Human Organic Anion Transporter (OATP) Family. Biochemical and Biophysical Research Communications. 273(1). 251–260. 505 indexed citations breakdown →

6.

Mayatepek, Ertan, Jun‐ichi Nezu, Ikumi Tamai, et al.. (2000). Two novel missense mutations of the OCTN2 gene (W283R and V446F) in a patient with primary systemic carnitine deficiency. Human Mutation. 15(1). 118–118. 39 indexed citations

7.

Nezu, Jun‐ichi, Asuka Oku, & Miyuki Shimane. (1999). Loss of Cytoplasmic Retention Ability of Mutant LKB1 Found in Peutz-Jeghers Syndrome Patients. Biochemical and Biophysical Research Communications. 261(3). 750–755. 58 indexed citations

8.

Yokogawa, Koiçhi, Ikumi Tamai, Rikiya Ohashi, et al.. (1999). Loss of wild-type carrier-mediated L-carnitine transport activity in hepatocytes of juvenile visceral steatosis mice. Hepatology. 30(4). 997–1001. 31 indexed citations

9.

Nezu, Jun‐ichi, Ikumi Tamai, Asuka Oku, et al.. (1999). Primary systemic carnitine deficiency is caused by mutations in a gene encoding sodium ion-dependent carnitine transporter. Nature Genetics. 21(1). 91–94. 428 indexed citations

10.

Mehenni, Hamid, Corinne Gehrig, Jun‐ichi Nezu, et al.. (1998). Loss of LKB1 Kinase Activity in Peutz-Jeghers Syndrome, and Evidence for Allelic and Locus Heterogeneity. The American Journal of Human Genetics. 63(6). 1641–1650. 159 indexed citations

11.

Tamai, Ikumi, Rikiya Ohashi, Jun‐ichi Nezu, et al.. (1998). Molecular and Functional Identification of Sodium Ion-dependent, High Affinity Human Carnitine Transporter OCTN2. Journal of Biological Chemistry. 273(32). 20378–20382. 584 indexed citations breakdown →

12.

Oku, Asuka, et al.. (1998). A Novel Type of Vascular Endothelial Growth Factor, VEGF-E (NZ-7 VEGF), Preferentially Utilizes KDR/Flk-1 Receptor and Carries a Potent Mitotic Activity without Heparin-binding Domain. Journal of Biological Chemistry. 273(47). 31273–31282. 307 indexed citations

13.

Nezu, Jun‐ichi, Asuka Oku, Michael H. Jones, & Miyuki Shimane. (1997). Identification of Two Novel Human Putative Serine/Threonine Kinases, VRK1 and VRK2, with Structural Similarity to Vaccinia Virus B1R Kinase. Genomics. 45(2). 327–331. 117 indexed citations

14.

Tamai, Ikumi, Hikaru Yabuuchi, Yoshimichi Sai, et al.. (1997). Cloning and characterization of a novel human pH‐dependent organic cation transporter, OCTN1. FEBS Letters. 419(1). 107–111. 378 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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