John P. Hearn

1.1k total citations
19 papers, 648 citations indexed

About

John P. Hearn is a scholar working on Immunology, Reproductive Medicine and Molecular Biology. According to data from OpenAlex, John P. Hearn has authored 19 papers receiving a total of 648 indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Immunology, 8 papers in Reproductive Medicine and 5 papers in Molecular Biology. Recurrent topics in John P. Hearn's work include Reproductive System and Pregnancy (7 papers), Reproductive Biology and Fertility (4 papers) and Sperm and Testicular Function (4 papers). John P. Hearn is often cited by papers focused on Reproductive System and Pregnancy (7 papers), Reproductive Biology and Fertility (4 papers) and Sperm and Testicular Function (4 papers). John P. Hearn collaborates with scholars based in United Kingdom, Australia and United States. John P. Hearn's co-authors include Jennifer Kalishman, Charles P. Harris, Thaddeus G. Golos, James A. Thomson, Maureen Durning, Timothy C. Cheung, P.M. Summers, David H. Abbott, Andreas L. Lopata and Quentin J. Sattentau and has published in prestigious journals such as Nature, European Journal of Biochemistry and Fertility and Sterility.

In The Last Decade

John P. Hearn

19 papers receiving 633 citations

Peers

John P. Hearn

GENET

PHEOH

Ryuzo Torii Japan

Fumiaki Cho Japan

Yasushige Ohmori Japan

M. J. Hulme United Kingdom

A F Parlow United States

Theodore R. Hobbs United States

Belén Hurlé United States

Elizabeth B. Goodwin United States

Cynthia S. Duchala United States

Kimiko Hagino‐Yamagishi Japan

Ryuzo Torii Japan

John P. Hearn

783 ×2.4

217 ×1.7

113 ×1.0

260 ×2.5

GENET

323 ×3.1

PHEOH

Citations per year, relative to John P. Hearn John P. Hearn (= 1×) peers Ryuzo Torii

Countries citing papers authored by John P. Hearn

Since Specialization

Citations

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

Fields of papers citing papers by John P. Hearn

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John P. Hearn. 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 John P. Hearn. The network helps show where John P. Hearn may publish in the future.

Co-authorship network of co-authors of John P. Hearn

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

All Works

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19 of 19 papers shown

Cheung, Timothy C. & John P. Hearn. (2005). Dimerizations of the wallaby gonadotropin-releasing hormone receptor and its splice variants. General and Comparative Endocrinology. 144(3). 280–288. 11 indexed citations

Hearn, John P.. (2004). Science, ethics and regulation in primate research.. PubMed. 57(1). 8–10. 1 indexed citations

Cheung, Timothy C. & John P. Hearn. (2003). Development of a baculovirus‐based fluorescence resonance energy transfer assay for measuring protein–protein interaction. European Journal of Biochemistry. 270(24). 4973–4981. 7 indexed citations

Cheung, Timothy C. & John P. Hearn. (2003). Developmental expression and subcellular localization of wallaby gonadotropin-releasing hormone receptor and its splice variants. General and Comparative Endocrinology. 133(1). 88–99. 8 indexed citations

Hearn, John P.. (2002). Embryo implantation and embryonic stem cell development in primates. Reproduction Fertility and Development. 13(8). 517–522. 12 indexed citations

Cheung, Timothy C. & John P. Hearn. (2002). Molecular cloning and tissue expression of the gonadotrophin-releasing hormone receptor in the tammar wallaby ( Macropus eugenii ). Reproduction Fertility and Development. 14(3). 157–164. 12 indexed citations

Thomson, James A., Jennifer Kalishman, Thaddeus G. Golos, et al.. (1996). Pluripotent Cell Lines Derived from Common Marmoset (Callithrix jacchus) Blastocysts1. Biology of Reproduction. 55(2). 254–259. 281 indexed citations

Hearn, John P.. (1994). New world primates for research in human reproductive health. American Journal of Primatology. 34(1). 11–17. 9 indexed citations

Seshagiri, Polani B., William E. Bridson, Donald J. Dierschke, Stephen G. Eisele, & John P. Hearn. (1993). Non‐surgical uterine flushing for the recovery of preimplantation embryos in rhesus monkeys: Lack of seasonal infertility. American Journal of Primatology. 29(2). 81–91. 14 indexed citations

10.

Lopata, Andreas L., P.M. Summers, & John P. Hearn. (1988). Births following the transfer of cultured embryos obtained by in vitro and in vivo fertilization in the marmoset monkey (Callithrix jacchus). Fertility and Sterility. 50(3). 503–509. 46 indexed citations

11.

McClure, Myra O., Quentin J. Sattentau, Peter C. L. Beverley, et al.. (1987). HIV infection of primate lymphocytes and conservation of the CD4 receptor. Nature. 330(6147). 487–489. 90 indexed citations

12.

Hearn, John P.. (1986). Artificial manipulation of reproduction: priorities and practicalities in the next decade. International Zoo Yearbook. 24(1). 148–157. 3 indexed citations

13.

Hearn, John P.. (1985). Fit for survival. Nature. 316(6029). 586–586. 1 indexed citations

14.

Hearn, John P.. (1984). Immunological Fertility Regulation. Journal of Reproductive Immunology. 6(2). 129–129. 1 indexed citations

15.

Hearn, John P.. (1982). Reproduction in New World Primates. 60 indexed citations

16.

Abbott, David H. & John P. Hearn. (1979). The Effects of Neonatal Exposure to Testosterone on the Development of Behaviour in Female Marmoset Monkeys. Novartis Foundation symposium. 299–327. 29 indexed citations

17.

Thanavala, Yasmin, et al.. (1979). Characterisation of the immunological response in marmoset monkeys immunised against hCG β-subunit and its relationship with their subsequent fertility. Journal of Reproductive Immunology. 1(4). 263–273. 6 indexed citations

18.

Hearn, John P.. (1979). Immunological Interference with the Maternal Recognition of Pregnancy in Primates. Novartis Foundation symposium. 353–375. 13 indexed citations

19.

Hearn, John P.. (1977). Restraining device for small monkeys. Laboratory Animals. 11(4). 261–262. 44 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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