Hirofumi Ohga
About
Hirofumi Ohga is a scholar working on Reproductive Medicine, Genetics and Physiology.
According to data from OpenAlex, Hirofumi Ohga has authored 28 papers receiving a total of 644 indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Reproductive Medicine, 18 papers in Genetics and 16 papers in Physiology. Recurrent topics in Hirofumi Ohga's work include Hypothalamic control of reproductive hormones (22 papers), Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities (18 papers) and Reproductive biology and impacts on aquatic species (16 papers). Hirofumi Ohga is often cited by papers focused on Hypothalamic control of reproductive hormones (22 papers), Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities (18 papers) and Reproductive biology and impacts on aquatic species (16 papers). Hirofumi Ohga collaborates with scholars based in Japan. Hirofumi Ohga's co-authors include Michiya Matsuyama, Sethu Selvaraj, Akihiko Yamaguchi, Hajime Kitano, Mitsuo Nyuji, Michio Yoneda, Naoki Nagano, Akio Shimizu, Kensuke Kaneko and Kohei Ohta and has published in prestigious journals such as Scientific Reports, Biology of Reproduction and Neuroscience Letters.
In The Last Decade
Hirofumi Ohga
28 papers receiving 633 citations
Peers
Hirofumi Ohga
Sethu Selvaraj Japan
Alejandro S. Mechaly Spain
Haipei Tang China
Mitsuo Nyuji Japan
Katsumi Aida Japan
Bao Shi China
Brigitte E. Troskie South Africa
M.A. Zandbergen Netherlands
Josephine Nocillado Australia
Citations per year, relative to Hirofumi Ohga Hirofumi Ohga (= 1×)
peers
Sethu Selvaraj
Countries citing papers authored by Hirofumi Ohga
Since
Specialization
Citations
This map shows the geographic impact of Hirofumi Ohga'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 Hirofumi Ohga with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Hirofumi Ohga more than expected).
Fields of papers citing papers by Hirofumi Ohga
Since
Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences
This network shows the impact of papers produced by Hirofumi Ohga. 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 Hirofumi Ohga. The network helps show where Hirofumi Ohga may publish in the future.
Co-authorship network of co-authors of Hirofumi Ohga
This figure shows the co-authorship network connecting the top 25 collaborators of Hirofumi Ohga. A scholar is included among the top collaborators of Hirofumi Ohga 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 Hirofumi Ohga. Hirofumi Ohga is excluded from the visualization to improve readability, since they are connected to all nodes in the network.
All Works
1.
Ohga, Hirofumi, Kohei Ohta, & Michiya Matsuyama. (2022). Long-day stimulation increases thyroid-stimulating hormone expression and affects gonadal development in chub mackerel. Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology. 275. 111334–111334.
2.
Ohga, Hirofumi & Michiya Matsuyama. (2020). In vitro action of leptin on gonadotropin secretion in pre-pubertal male chub mackerel. Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology. 253. 110856–110856.
3.
Ohga, Hirofumi, et al.. (2020). Leptin stimulates gonadotropin release and ovarian development in marine teleost chub mackerel. General and Comparative Endocrinology. 292. 113442–113442.
4.
Ohga, Hirofumi, et al.. (2020). Molecular characterization of kisspeptin 2 dodecapeptide in sixteen species of Scombridae. Fisheries Science. 86(3). 437–444.
5.
Ohga, Hirofumi, et al.. (2019). Alanine scanning and characterization of core peptides in Scombridae fish family for construction of Kiss1 super analog. General and Comparative Endocrinology. 288. 113356–113356.
6.
Ohga, Hirofumi, Sethu Selvaraj, & Michiya Matsuyama. (2018). The Roles of Kisspeptin System in the Reproductive Physiology of Fish With Special Reference to Chub Mackerel Studies as Main Axis. Frontiers in Endocrinology. 9. 147–147.
7.
Ohga, Hirofumi, et al.. (2017). Molecular characterization and functional analysis of pituitary GnRH receptor in a commercial scombroid fish, chub mackerel (Scomber japonicus). General and Comparative Endocrinology. 247. 143–151.
8.
Ohga, Hirofumi, et al.. (2017). Kiss1 hexadecapeptide directly regulates gonadotropin-releasing hormone 1 in the scombroid fish, chub mackerel†. Biology of Reproduction. 96(2). 376–388.
9.
Ohga, Hirofumi, Daisuke Hirata, Hajime Kitano, et al.. (2016). Possible role of the leptin system in controlling puberty in the male chub mackerel, Scomber japonicus. Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology. 203. 159–166.
10.
Ohga, Hirofumi, et al.. (2015). Two leptin genes and a leptin receptor gene of female chub mackerel (Scomber japonicus): Molecular cloning, tissue distribution and expression in different obesity indices and pubertal stages. General and Comparative Endocrinology. 222. 88–98.
11.
Ohga, Hirofumi, Mitsuo Nyuji, Sethu Selvaraj, et al.. (2014). mRNA levels of kisspeptins, kisspeptin receptors, and GnRH1 in the brain of chub mackerel during puberty. Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology. 179. 104–112.
12.
Selvaraj, Sethu, Hajime Kitano, Hirofumi Ohga, Akihiko Yamaguchi, & Michiya Matsuyama. (2014). Expression changes of mRNAs encoding kisspeptins and their receptors and gonadotropin-releasing hormones during early development and gonadal sex differentiation periods in the brain of chub mackerel (Scomber japonicus). General and Comparative Endocrinology. 222. 20–32.
13.
Ohga, Hirofumi, et al.. (2014). Functional analysis of kisspeptin peptides in adult immature chub mackerel (Scomber japonicus) using an intracerebroventricular administration method. Neuroscience Letters. 561. 203–207.
14.
Selvaraj, Sethu, Hirofumi Ohga, Mitsuo Nyuji, et al.. (2013). Subcutaneous administration of Kiss1 pentadecapeptide accelerates spermatogenesis in prepubertal male chub mackerel (Scomber japonicus). Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology. 166(2). 228–236.
15.
Ohga, Hirofumi, Sethu Selvaraj, Hajime Kitano, et al.. (2013). Identification, characterization, and expression profiles of two subtypes of kisspeptin receptors in a scombroid fish (chub mackerel). General and Comparative Endocrinology. 193. 130–140.
16.
Selvaraj, Sethu, Hajime Kitano, Masafumi Amano, et al.. (2012). Increased expression of kisspeptin and GnRH forms in the brain of scombroid fish during final ovarian maturation and ovulation. Reproductive Biology and Endocrinology. 10(1). 64–64.
17.
Ohga, Hirofumi, Kensuke Kaneko, Akio Shimizu, et al.. (2012). Steroidogenic and maturation-inducing potency of native gonadotropic hormones in female chub mackerel, Scomber japonicus. Reproductive Biology and Endocrinology. 10(1). 71–71.
18.
Selvaraj, Sethu, Hajime Kitano, Masafumi Amano, et al.. (2011). Kisspeptin and GnRH Expression Profiles in the Brain and Pituitary of Female Chub Mackerel ( Scomber japonicus ) during the Spawning Cycle. Indian Journal of Science and Technology. 4. 50–51.
19.
Nyuji, Mitsuo, Sethu Selvaraj, Hajime Kitano, et al.. (2011). Changes in the expression of pituitary gonadotropin subunits during reproductive cycle of multiple spawning female chub mackerel Scomber japonicus. Fish Physiology and Biochemistry. 38(3). 883–897.
20.
Selvaraj, Sethu, Hajime Kitano, Hirofumi Ohga, et al.. (2010). Molecular characterization, tissue distribution, and mRNA expression profiles of two Kiss genes in the adult male and female chub mackerel (Scomber japonicus) during different gonadal stages. General and Comparative Endocrinology. 169(1). 28–38.
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.
Explore authors with similar magnitude of impact
Breakdown of academic impact, for papers by Sethu Selvaraj Breakdown of academic impact, for papers by Alejandro S. Mechaly Breakdown of academic impact, for papers by Haipei Tang Breakdown of academic impact, for papers by Mitsuo Nyuji Breakdown of academic impact, for papers by Katsumi Aida Breakdown of academic impact, for papers by Bao Shi Breakdown of academic impact, for papers by José A. Paullada‐Salmerón Breakdown of academic impact, for papers by Brigitte E. Troskie Breakdown of academic impact, for papers by M.A. Zandbergen Breakdown of academic impact, for papers by Josephine Nocillado