Koiti Titani

22.5k citations

291 papers · 19.1k indexed · 5 hit papers · h-index 74

Molecular Biology top 0.2%
Hematology top 0.1%
Genetics top 0.5%
Physiology top 0.5%
Cell Biology top 0.2%

Co-authors: Koji Takio Kenneth A. Walsh Lowell H. Ericsson Yasuo Ihara Hans Neurath Taei Matsui Yoshihiro Fujimura Takanori Nakamura
Topics: Platelet Disorders and Treatments (45 papers)Glycosylation and Glycoproteins Research (38 papers)Venomous Animal Envenomation and Studies (27 papers)
Cited by: Hematology Immunology and Allergy Molecular Biology
Journals: Science Proceedings of the National Academy of Sciences Journal of the American Chemical Society
Partner nations: Japan United States United Kingdom

In The Last Decade

Koiti Titani

286 papers receiving 17.8k citations

Hit Papers

5 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.

Activin-Binding Protein from Rat Ovary Is Follistatin

1990 746 citations Takanori Nakamura, Koji Takio et al. profile →
The growth inhibitory factor that is deficient in the Alzheimer's disease brain is a 68 amino acid metallothionein-like protein

1991 576 citations Koji Takio, Koiti Titani et al. Neuron profile →
Application of sequenator analysis to the study of proteins

1972 400 citations Mark A. Hermodson, Lowell H. Ericsson et al. profile →
cGMP-dependent protein kinase, a chimeric protein homologous with two separate protein families

1984 254 citations Koji Takio, Kenneth A. Walsh et al. profile →
Complete amino acid sequence of rabbit muscle glycogen phosphorylase.

1977 202 citations Koiti Titani, Lowell H. Ericsson et al. profile →

Peers

Countries citing papers authored by Koiti Titani

Since Specialization

Citations

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

Fields of papers citing papers by Koiti Titani

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Koiti Titani

This figure shows the co-authorship network connecting the top 25 collaborators of Koiti Titani. A scholar is included among the top collaborators of Koiti Titani 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 Koiti Titani. Koiti Titani 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

#	Work	Indexed citations
1	von Willebrand Factor—Cleaving Protease and Upshaw-Schulman Syndrome 2002 ·International Journal of Hematology ·Yoshihiro Fujimura,Masanori Matsumoto,Hideo Yagi,Akira Yoshioka,Taei Matsui,Koiti Titani	70
2	Plasma of patients with Upshaw–Schulman syndrome, a congenital deficiency of von Willebrand factor‐cleaving protease activity, enhances the aggregation of normal platelets under high shear stress 2001 ·British Journal of Haematology ·Hideo Yagi,Mutsuko Konno,S Kinoshita,Masanori Matsumoto,Hiromichi Ishizashi,Taei Matsui,Koiti Titani,Yoshihiro Fujimura	24
3	Snake venom proteases affecting hemostasis and thrombosis 2000 ·Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology ·Taei Matsui,Yoshihiro Fujimura,Koiti Titani	353
4	Increase of glial fibrillary acidic protein fragments in the spinal cord of motor neuron degeneration mutant mouse 1998 ·Brain Research ·(unknown),(unknown),Taei Matsui,Koiti Titani,Hisahide Takahashi,Toshiaki Kato,(unknown),Masato Ando,Yutaka Nagata	28
5	Circular Dichroism and 1H Nuclear Magnetic Resonance Studies on the Solution and Membrane Structures of GAP-43 Calmodulin-binding Domain 1997 ·Journal of Biological Chemistry ·Nobuhiro Hayashi,Mamoru Matsubara,Koiti Titani,Hisaaki Taniguchi	28
6	Complete Amino Acid Sequence and Identification of the Platelet Glycoprotein Ib-binding Site of Jararaca GPIb-BP, a Snake Venom Protein Isolated from Bothrops jararaca 1996 ·Journal of Biological Chemistry ·Tomihisa Kawasaki,Yoshihiro Fujimura,Yoshiko Usami,Masami Suzuki,Shuji Miura,Yoshihiko Sakurai,Kaori Makita,Yuta Taniuchi,Kazuyuki Hirano,Koiti Titani	62
7	ABO Blood Group Genotype and Plasma von Willebrand Factor in Normal Individuals 1995 ·Vox Sanguinis ·(unknown),Yoshihiro Fujimura,(unknown),(unknown),Nobuhiro Narita,Taei Matsui,Koiti Titani,Masahiko Katayama,Fumiichiro Yamamoto,Akira Yoshioka	88
8	The Complete Amino Acid Sequence of a Mannose-Binding Lectin from "Kidachi Aloe" (Aloe arborescens miller var. Natalensis berger) 1995 ·Biochemical and Biophysical Research Communications ·Takaaki Koike,Koiti Titani,Masami Suzuki,Hidehiko Beppu,H. Kuzuya,Kazuhiro Maruta,Kan Shimpo,Κ. Fujita	24
9	Molecular heterogeneity of follistatin, an activin-binding protein. Higher affinity of the carboxyl-terminal truncated forms for heparan sulfate proteoglycans on the ovarian granulosa cell 1993 ·Journal of Biological Chemistry ·Kyoka Sugino,Nobuyuki Kurosawa,Takanori Nakamura,Koji Takio,Shunichi Shimasaki,Nicholas Ling,Koiti Titani,H Sugino	189
10	Ubiquitin is conjugated with amino-terminally processed tau in paired helical filaments 1993 ·Neuron ·Maho Morishima‐Kawashima,Masato Hasegawa,Koji Takio,Masami Suzuki,Koiti Titani,Yasuo Ihara	273
11	Absence of ras Family Point Mutations at Codons 12, 13 and 61 in N‐Ethyl‐N‐hydroxyethylnitrosamine‐ or N‐Nitrosomorpholine‐induced Renal Cell Tumors in Rats 1992 ·Japanese Journal of Cancer Research ·Kazuyuki Matsumoto,Hiroyuki Tsuda,(unknown),Mitsuya Ito,(unknown),Fumitaka Oyama,Koiti Titani,Toshikazu Ushijima,Minako Nagao,Iwao Hirono	9
12	Tau 2: A Probe for a Ser Conformation in the Amino Terminus of τ 1992 ·Journal of Neurochemistry ·Nobuo Watanabe,Koji Takio,Masato Hasegawa,(unknown),Koiti Titani,Yasuo Ihara	40
13	Follistatin, an activin-binding protein, associates with heparan sulfate chains of proteoglycans on follicular granulosa cells. 1991 ·Journal of Biological Chemistry ·Takanori Nakamura,Kyoka Sugino,Koiti Titani,H Sugino	147
14	Activin-Binding Protein Is Present in Pituitary* 1991 ·Endocrinology ·Kyoko Kogawa,Takanori Nakamura,(unknown),Koji Takio,Koiti Titani,Hiromu Sugino	194
15	Enhanced botrocetin‐induced type iib von willebrand factor binding to platelet glycoprotein ib initiates hyperagglutination of normal platelets 1990 ·American Journal of Hematology ·Kenji Nishio,Yoshihiro Fujimura,(unknown),Yukihiro Takahashi,Akira Yoshioka,Hiromu Fukui,Yoshiko Usami,Koiti Titani,Zaverio M. Ruggeri,T S Zimmerman	14
16	The Use of Monoclonal Antibodies to Define Levels of Cystatin C in Normal Human Serum 1989 ·Hybridoma ·Hiroshi Ishiguro,Iwao Ohkubo,Masashi Mizokami,Koiti Titani,Makoto Sasaki	42
17	Erythroid differentiation factor can modulate follicular granulosa cell functions 1988 ·Biochemical and Biophysical Research Communications ·Hiromu Sugino,Takanori Nakamura,Y. Hasegawa,Kaoru Miyamoto,Yumiko Abe,Masao Igarashi,Yuzuru Eto,Hiroshiro Shibai,Koiti Titani	71
18	Structures of the sugar chains of mouse immunoglobulin G 1987 ·Archives of Biochemistry and Biophysics ·Tsuguo Mizuochi,Jiharu Hamako,Koiti Titani	62
19	Amino-acid Sequence of Thermolysin 1972 ·Nature New Biology ·Koiti Titani,Mark A. Hermodson,Lowell H. Ericsson,Kenneth A. Walsh,Hans Neurath	217
20	THE STRUCTURE OF CYTOCHROME C:III. THE GUANIDINATION OF CYTOCHROME C-BIOLOGICALLY ACTIVE DERIVATIVES OF CYTOCHROME C 1958 ·The Journal of Biochemistry ·Kenji Takahashi,Koiti Titani,(unknown),Hisayuki Ishikura,Shigeki Minakami	2

About Koiti Titani

Koiti Titani is a scholar working on Hematology, Immunology and Allergy and Cell Biology, having authored 291 papers that have together received 19.1k indexed citations. Recurring topics across this work include Platelet Disorders and Treatments (45 papers), Glycosylation and Glycoproteins Research (38 papers) and Venomous Animal Envenomation and Studies (27 papers). The work is most often cited by research in Hematology (3.6k citations), Immunology and Allergy (1.1k citations) and Molecular Biology (10.9k citations). Koiti Titani has collaborated with scholars based in Japan, United States and United Kingdom. Frequent co-authors include Koji Takio, Kenneth A. Walsh, Lowell H. Ericsson, Yasuo Ihara, Hans Neurath, Taei Matsui, Yoshihiro Fujimura, Takanori Nakamura, Masato Hasegawa and Maho Morishima‐Kawashima. Their work appears in journals such as Science, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

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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