Kazuki Okajima

1.7k total citations · 1 hit paper
26 papers, 1.2k citations indexed

About

Kazuki Okajima is a scholar working on Molecular Biology, Genetics and Surgery. According to data from OpenAlex, Kazuki Okajima has authored 26 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Molecular Biology, 12 papers in Genetics and 4 papers in Surgery. Recurrent topics in Kazuki Okajima's work include Craniofacial Disorders and Treatments (6 papers), Cleft Lip and Palate Research (5 papers) and Biochemical and Molecular Research (4 papers). Kazuki Okajima is often cited by papers focused on Craniofacial Disorders and Treatments (6 papers), Cleft Lip and Palate Research (5 papers) and Biochemical and Molecular Research (4 papers). Kazuki Okajima collaborates with scholars based in Japan, United States and Qatar. Kazuki Okajima's co-authors include Abdel Elkahloun, Brian L. Pike, Anna Genin, Francis S. Collins, Paul S. Meltzer, Ian D. Krantz, Settara C. Chandrasekharappa, Nancy B. Spinner, David A. Piccoli and Takaya Oda and has published in prestigious journals such as Nature Genetics, Clinica Chimica Acta and Genomics.

In The Last Decade

Kazuki Okajima

25 papers receiving 1.2k citations

Hit Papers

align trajectories sort by overperformance

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.

Mutations in the human Jagged1 gene are responsible for Alagille syndrome

1997 801 citations Takaya Oda, Abdel Elkahloun 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
Kazuki Okajima Japan	11	670	429	296	216	117	26	1.2k
Yo‐ichi Takei Japan	20	739 1.1×	216 0.5×	99 0.3×	65 0.3×	201 1.7×	70	1.3k
Oleg A. Shchelochkov United States	24	746 1.1×	172 0.4×	344 1.2×	127 0.6×	122 1.0×	47	1.3k
Newman J. Sund United States	10	592 0.9×	726 1.7×	474 1.6×	100 0.5×	68 0.6×	14	1.4k
Todd Seeley United States	12	685 1.0×	89 0.2×	166 0.6×	202 0.9×	107 0.9×	16	1.3k
Elżbieta Ciara Poland	17	647 1.0×	186 0.4×	278 0.9×	49 0.2×	72 0.6×	88	1.1k
Alireza Behrooz United States	9	662 1.0×	130 0.3×	127 0.4×	94 0.4×	71 0.6×	10	1.1k
Yafa Ariav Israel	13	658 1.0×	481 1.1×	159 0.5×	37 0.2×	235 2.0×	13	1.2k
Jacob van den Born Netherlands	17	485 0.7×	255 0.6×	104 0.4×	104 0.5×	30 0.3×	23	1.3k
Amandine Viau France	12	369 0.6×	99 0.2×	184 0.6×	97 0.4×	100 0.9×	18	933
Consuelo González‐Manchón Spain	18	536 0.8×	94 0.2×	165 0.6×	151 0.7×	73 0.6×	61	1.2k

Countries citing papers authored by Kazuki Okajima

Since Specialization

Citations

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

Fields of papers citing papers by Kazuki Okajima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kazuki Okajima

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

All Works

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20 of 20 papers shown

Okajima, Kazuki & Tatsuya Suzuki. (2020). Steatorrhea Versus Normal Stool in Neonatal and Early Infantile Period. JPGN Reports. 1(2). e020–e020.

Kaneda, Makoto, Naoki Hatakeyama, Kazuki Okajima, et al.. (2018). A case of primary familial congenital polycythemia with a novel EPOR mutation: possible spontaneous remission/alleviation by menstrual bleeding. International Journal of Hematology. 108(3). 339–343. 4 indexed citations

Okamoto, Toshio, et al.. (2014). Novel compound heterozygous mutations in DYNC2H1 in a patient with severe short‐rib polydactyly syndrome type III phenotype. Congenital Anomalies. 55(3). 155–157. 14 indexed citations

Kumakura, Akira, Satoru Takahashi, Kazuki Okajima, & Daisuke Hata. (2013). A haploinsufficiency of FOXG1 identified in a boy with congenital variant of Rett syndrome. Brain and Development. 36(8). 725–729. 10 indexed citations

DeBrosse, Suzanne D., Kazuki Okajima, Shulin Zhang, et al.. (2012). Spectrum of neurological and survival outcomes in pyruvate dehydrogenase complex (PDC) deficiency: Lack of correlation with genotype. Molecular Genetics and Metabolism. 107(3). 394–402. 73 indexed citations

Takahashi, Satoru, Kazuki Okajima, Nao Suzuki, et al.. (2009). Silent exonic mutation in the acid-α-glycosidase gene that causes glycogen storage disease type II by affecting mRNA splicing. Journal of Human Genetics. 54(8). 493–496. 16 indexed citations

Okajima, Kazuki & Douglas S. Kerr. (2007). 89 Polymorphisms or pathogenic mutations? Re-evaluation of several PDHA1 mutations by protein structural modeling. Mitochondrion. 7(6). 430–430. 2 indexed citations

Okajima, Kazuki, et al.. (2003). Three craniosynostotic patients with tracheal sleeve. Clinical Dysmorphology. 12(1). 75–75. 5 indexed citations

Graham, John M., Ralph S. Lachman, Ethylin Wang Jabs, et al.. (2001). Subtle radiographic findings of achondroplasia in patients with Crouzon syndrome with acanthosis nigricans due to an Ala391Glu substitution in FGFR3. American Journal of Medical Genetics. 98(1). 75–91. 1 indexed citations

10.

Graham, John M., Ralph S. Lachman, Ethylin Wang Jabs, et al.. (2000). Subtle radiographic findings of achondroplasia in patients with Crouzon syndrome with acanthosis nigricans due to an Ala391Glu substitution in FGFR3. American Journal of Medical Genetics. 98(1). 75–91. 35 indexed citations

11.

Suzuki, Yoshikatsu, et al.. (1999). Biochemical examination of mother’s urine is useful for prenatal diagnosis of Bartter syndrome. Prenatal Diagnosis. 19(7). 671–673. 14 indexed citations

12.

Okajima, Kazuki, Luther K. Robinson, Meeghan A. Hart, et al.. (1999). Ocular anterior chamber dysgenesis in craniosynostosis syndromes with a fibroblast growth factor receptor 2 mutation. American Journal of Medical Genetics. 85(2). 160–170. 44 indexed citations

13.

Paznekas, William A., Kazuki Okajima, Michael Schertzer, Stephen Wood, & Ethylin Wang Jabs. (1999). Genomic Organization, Expression, and Chromosome Location of the Human SNAIL Gene (SNAI1) and a Related Processed Pseudogene (SNAI1P). Genomics. 62(1). 42–49. 47 indexed citations

14.

Okajima, Kazuki, Luther K. Robinson, Meeghan A. Hart, et al.. (1999). Ocular anterior chamber dysgenesis in Craniostenosis syndromes with a fibroblast growth factor 2 mutation. 1 indexed citations

15.

Oda, Takaya, Abdel Elkahloun, Brian L. Pike, et al.. (1997). Mutations in the human Jagged1 gene are responsible for Alagille syndrome. Nature Genetics. 16(3). 235–242. 801 indexed citations breakdown →

16.

Okajima, Kazuki, Naomi Kurobe, Kikuo Shimizu, & Kanefusa Kato. (1990). Sensitive enzyme immunoassay for human aldolase A. Clinica Chimica Acta. 187(3). 265–272. 4 indexed citations

17.

Kato, Kanefusa, Fujiko Suzuki, Naomi Kurobe, et al.. (1990). Enhancement of S-100β protein in blood of patients with down’s syndrome. Journal of Molecular Neuroscience. 2(2). 109–113. 35 indexed citations

18.

Kurobe, Naomi, Fujiko Suzuki, Kazuki Okajima, & Kanefusa Kato. (1990). Sensitive enzyme immunoassay for human Cu/Zn superoxide dismutase. Clinica Chimica Acta. 187(1). 11–20. 56 indexed citations

19.

Suchi, Mariko, Nobuhiro Harada, Takashi Tsuboi, et al.. (1989). Molecular Cloning of Human UMP Synthase. Advances in experimental medicine and biology. 253A. 511–518. 2 indexed citations

20.

Okajima, Kazuki, Takaharu Yamamoto, Mariko Suchi, & Yoshiro Wada. (1989). A Screening Method for Dihydropyrimidine Dehydrogenase Deficiency with Colorimetric Detection of Urinary Uracil. Advances in experimental medicine and biology. 253A. 119–122. 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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