Kazuyoshi Ukena

11.1k total citations · 1 hit paper
147 papers, 8.6k citations indexed

About

Kazuyoshi Ukena is a scholar working on Reproductive Medicine, Cellular and Molecular Neuroscience and Endocrine and Autonomic Systems. According to data from OpenAlex, Kazuyoshi Ukena has authored 147 papers receiving a total of 8.6k indexed citations (citations by other indexed papers that have themselves been cited), including 63 papers in Reproductive Medicine, 60 papers in Cellular and Molecular Neuroscience and 55 papers in Endocrine and Autonomic Systems. Recurrent topics in Kazuyoshi Ukena's work include Hypothalamic control of reproductive hormones (62 papers), Regulation of Appetite and Obesity (51 papers) and Neuropeptides and Animal Physiology (40 papers). Kazuyoshi Ukena is often cited by papers focused on Hypothalamic control of reproductive hormones (62 papers), Regulation of Appetite and Obesity (51 papers) and Neuropeptides and Animal Physiology (40 papers). Kazuyoshi Ukena collaborates with scholars based in Japan, United States and United Kingdom. Kazuyoshi Ukena's co-authors include Kazuyoshi Tsutsui, Takayoshi Ubuka, Hirotaka Sakamoto, Hiroyuki Minakata, George E. Bentley, P. J. Sharp, Chie Kohchi, John C. Wingfield, Ko Tsutsui and Lance J. Kriegsfeld and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Neuroscience and SHILAP Revista de lepidopterología.

In The Last Decade

Kazuyoshi Ukena

144 papers receiving 8.4k 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.

A Novel Avian Hypothalamic Peptide Inhibiting Gonadotropin Release

2000 643 citations Kazuyoshi Tsutsui, Kazuyoshi Ukena 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
Kazuyoshi Ukena Japan	53	4.7k	2.4k	2.4k	2.1k	1.6k	147	8.6k
Takayoshi Ubuka Japan	43	5.0k 1.1×	909 0.4×	2.1k 0.9×	1.8k 0.8×	1.0k 0.6×	93	6.6k
Nancy M. Sherwood Canada	51	4.4k 0.9×	3.1k 1.3×	1.1k 0.5×	1.9k 0.9×	1.4k 0.8×	153	8.9k
Kazuyoshi Tsutsui Japan	72	9.8k 2.1×	3.6k 1.5×	4.4k 1.9×	4.3k 2.1×	2.6k 1.6×	319	16.3k
Sakaé Kikuyama Japan	41	1.4k 0.3×	2.3k 0.9×	1.4k 0.6×	902 0.4×	876 0.5×	286	6.6k
Yasuo Sakuma Japan	40	2.7k 0.6×	926 0.4×	1.1k 0.5×	1.7k 0.8×	2.3k 1.4×	164	5.8k
Fred J. Karsch United States	70	6.8k 1.4×	1.0k 0.4×	3.3k 1.4×	3.7k 1.8×	2.4k 1.5×	176	14.1k
Richard Peter Canada	74	4.2k 0.9×	2.4k 1.0×	4.6k 1.9×	2.5k 1.2×	1.1k 0.7×	306	17.4k
G. Pelletier Canada	59	2.2k 0.5×	3.5k 1.4×	2.1k 0.9×	1.8k 0.9×	1.1k 0.6×	258	11.9k
Suzanne M. Moenter United States	53	7.0k 1.5×	1.2k 0.5×	1.9k 0.8×	1.9k 0.9×	2.4k 1.5×	133	9.2k
Georges Pelletier Canada	53	1.5k 0.3×	2.1k 0.9×	1.2k 0.5×	1.9k 0.9×	769 0.5×	266	11.4k

Countries citing papers authored by Kazuyoshi Ukena

Since Specialization

Citations

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

Fields of papers citing papers by Kazuyoshi Ukena

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kazuyoshi Ukena

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

Kato, Masaki, et al.. (2024). Expression of mRNAs Encoding Hypothalamic Small Proteins, Neurosecretory Protein GL and Neurosecretory Protein GM, in the Japanese Quail, Coturnix japonica. ZOOLOGICAL SCIENCE. 41(1). 50–59.

Ukena, Kazuyoshi, et al.. (2011). Characterization of novel antimicrobial peptides from the skin of the endangered frog Odorrana ishikawae by shotgun cDNA cloning. Biochemical and Biophysical Research Communications. 412(4). 673–677. 11 indexed citations

Kriegsfeld, Lance J., Dan Mei, George E. Bentley, et al.. (2006). Identification and characterization of a gonadotropin-inhibitory system in the brains of mammals. Proceedings of the National Academy of Sciences. 103(7). 2410–2415. 476 indexed citations

Oishi, Tadashi, et al.. (2006). Neural Interaction of Gonadotropin-regulating Hormone Immunoreactive Neurons and the Suprachiasmatic Nucleus with the Paraventricular Organ in the Japanese Grass Lizard (Takydromus tachydromoides). ZOOLOGICAL SCIENCE. 23(3). 277–287. 15 indexed citations

Tsutsui, Kazuyoshi, et al.. (2004). Identification and Mode of Action of a Novel Neurosteroid Stimulating Locomotor Activity(Recent Progress and Perspective in Steroid Research,Symposium,PROCEEDING OF THE 75^ ANNUAL MEETING OF THE ZOOLOGICAL SOCIETY OF JAPAN). ZOOLOGICAL SCIENCE. 21(12). 1201–1202. 2 indexed citations

Ukena, Kazuyoshi, et al.. (2004). Expression and distribution of octopus gonadotropin‐releasing hormone in the central nervous system and peripheral organs of the octopus (Octopus vulgaris) by in situ hybridization and immunohistochemistry. The Journal of Comparative Neurology. 477(3). 310–323. 93 indexed citations

Kanda, Atsuhiro, Kazuyoshi Ukena, Kyoko Takuwa‐Kuroda, & Hiroyuki Minakata. (2003). Isolation and characterization of novel tachykinins from the posterior salivary gland of the common octopus Octopus vulgaris. Peptides. 24(1). 35–43. 53 indexed citations

Sawada, Kaori, Kazuyoshi Ukena, Sakaé Kikuyama, & K. Tsutsui. (2002). Identification of a cDNA encoding a novel amphibian growth hormone-releasing peptide and localization of its transcript. Journal of Endocrinology. 174(3). 395–402. 60 indexed citations

Matsunaga, Masahiro, Kazuyoshi Ukena, & Kazuyoshi Tsutsui. (2002). Androgen biosynthesis in the quail brain. Brain Research. 948(1-2). 180–185. 49 indexed citations

10.

Ukena, Kazuyoshi & Kazuyoshi Tsutsui. (2001). Distribution of novel RFamide-related peptide-like immunoreactivity in the mouse central nervous system. Neuroscience Letters. 300(3). 153–156. 95 indexed citations

11.

Sakamoto, Hironosuke, Kazuyoshi Ukena, & K. Tsutsui. (2000). PROGESTERONE ACTS AS A NEUROSTEROID PRODUCED IN PURKINJE NEURON TO PROMOTE NEURONAL GROWTH DURING DEVELOPMENT(Endocrinology)Proceedings of the Seventy-First Annual Meeting of the Zoological Society of Japan. ZOOLOGICAL SCIENCE. 17. 15. 5 indexed citations

12.

Matsunaga, Masahiro, Kazuyoshi Ukena, & K. Tsutsui. (2000). SEARCH FOR HOMOLOGUES OF VERTEBRATE PITUITRY HORMONES FROM A COMPLIMENTARY DNA LIBRARY OF HATSCHEKS'S PIT IN AMHIOXUS(Endocrinology)Proceedings of the Seventy-First Annual Meeting of the Zoological Society of Japan. ZOOLOGICAL SCIENCE. 17. 9. 1 indexed citations

13.

Nagai, Kazuya, et al.. (2000). EFFECTS OF SEASON AND PHOTOPERIOD ON NEUROSTEROIDS IN THE NEWT BRAIN(Physiology)Proceedings of the Seventy-First Annual Meeting of the Zoological Society of Japan. ZOOLOGICAL SCIENCE. 17. 107. 1 indexed citations

14.

Takase, Minoru, Kazuyoshi Ukena, Takeshi Yamazaki, Shiro Kominami, & Kazuyoshi Tsutsui. (1999). Pregnenolone, Pregnenolone Sulfate, and Cytochrome P450 Side-Chain Cleavage Enzyme in the Amphibian Brain and Their Seasonal Changes¹. Endocrinology. 140(4). 1936–1944. 91 indexed citations

15.

Tsutsui, Kazuyoshi, Kazuyoshi Ukena, Minoru Takase, Chie Kohchi, & Robert Lea. (1999). Neurosteroid biosynthesis in vertebrate brains. Comparative Biochemistry and Physiology Part C Pharmacology Toxicology and Endocrinology. 124(2). 121–129. 92 indexed citations

16.

Oumi, T., Kazuyoshi Ukena, Fumihiro Morishita, et al.. (1999). Possible functions of oxytocin/vasopressin-superfamily peptides in annelids with special reference to reproduction and osmoregulation. Journal of Experimental Zoology. 284(4). 401–406. 48 indexed citations

17.

Ukena, Kazuyoshi. (1998). Cytochrome P450 Side-Chain Cleavage Enzyme in the Cerebellar Purkinje Neuron and Its Neonatal Change in Rats. Endocrinology. 139(1). 137–147. 64 indexed citations

18.

Ukena, Kazuyoshi, Mariko Usui, Chie Kohchi, & Kazuyoshi Tsutsui. (1998). Cytochrome P450 Side-Chain Cleavage Enzyme in the Cerebellar Purkinje Neuron and Its Neonatal Change in Rats¹. Endocrinology. 139(1). 137–147. 147 indexed citations

19.

Oumi, T., Kazuyoshi Ukena, O. Matsushima, et al.. (1996). Annetocin, an annelid oxytocin-related peptide, induces egg-laying behavior in the earthworm,Eisenia foetida. Journal of Experimental Zoology. 276(2). 151–156. 96 indexed citations

20.

Kawano, Tsuyoshi, et al.. (1995). Gene Structures of the GGNG-Peptides Derived from Annelida and the Gene Products. 1995. 321–324. 2 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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