Cathy Ramsey

2.3k total citations · 1 hit paper
19 papers, 1.2k citations indexed

About

Cathy Ramsey is a scholar working on Public Health, Environmental and Occupational Health, Reproductive Medicine and Molecular Biology. According to data from OpenAlex, Cathy Ramsey has authored 19 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Public Health, Environmental and Occupational Health, 10 papers in Reproductive Medicine and 8 papers in Molecular Biology. Recurrent topics in Cathy Ramsey's work include Reproductive Biology and Fertility (10 papers), Sperm and Testicular Function (8 papers) and Pluripotent Stem Cells Research (5 papers). Cathy Ramsey is often cited by papers focused on Reproductive Biology and Fertility (10 papers), Sperm and Testicular Function (8 papers) and Pluripotent Stem Cells Research (5 papers). Cathy Ramsey collaborates with scholars based in United States, Austria and South Korea. Cathy Ramsey's co-authors include Hong Ma, Michelle Sparman, Masahito Tachibana, Shoukhrat Mitalipov, Hathaitip Sritanaudomchai, Lisa Clepper, Ying Li, Carol Hanna, Shoukhrat Mitalipov and Paula Amato and has published in prestigious journals such as Nature, Science and Cell.

In The Last Decade

Cathy Ramsey

19 papers receiving 1.2k citations

Hit 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.

Autologous grafting of cryopreserved prepubertal rhesus testis produces sperm and offspring

2019 215 citations A Fayomi, Karen A. Peters et al. Science profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Cathy Ramsey United States	10	928	461	333	298	180	19	1.2k
Michelle Sparman United States	13	974 1.0×	398 0.9×	373 1.1×	158 0.5×	202 1.1×	17	1.2k
Masahito Tachibana Japan	17	1.0k 1.1×	497 1.1×	382 1.1×	225 0.8×	241 1.3×	43	1.4k
Shoukhrat Mitalipov United States	10	501 0.5×	260 0.6×	119 0.4×	156 0.5×	95 0.5×	16	697
J. Barritt United States	15	553 0.6×	741 1.6×	154 0.5×	483 1.6×	483 2.7×	55	1.2k
Henry Malter United States	26	1.2k 1.3×	1.4k 3.1×	61 0.2×	1.1k 3.6×	743 4.1×	46	2.7k
Zeki Beyhan United States	17	969 1.0×	790 1.7×	14 0.0×	201 0.7×	105 0.6×	29	1.3k
Sylvie Lierman Belgium	20	587 0.6×	517 1.1×	15 0.0×	471 1.6×	98 0.5×	43	1.1k
Sharon Layfield Australia	20	238 0.3×	1.7k 3.6×	22 0.1×	87 0.3×	50 0.3×	30	2.0k
Anne Maddalena United States	17	411 0.4×	40 0.1×	47 0.1×	160 0.5×	65 0.4×	27	1.1k
So Shimamoto Japan	7	928 1.0×	732 1.6×	7 0.0×	339 1.1×	76 0.4×	8	1.3k

Countries citing papers authored by Cathy Ramsey

Since Specialization

Citations

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

Fields of papers citing papers by Cathy Ramsey

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Cathy Ramsey

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

Ramsey, Cathy, Carol Hanna, Rodrigo del Río do Valle, et al.. (2021). Cryopreservation and Preparation of Thawed Spermatozoa from Rhesus Macaques (Macaca mulatta) for In Vitro Fertilization. Journal of the American Association for Laboratory Animal Science. 60(4). 396–406. 6 indexed citations

Houser, Lisa A., et al.. (2021). Improved Training and Semen Collection Outcomes Using the Closed Box Chair for Macaques. Animals. 11(8). 2384–2384. 6 indexed citations

Ma, Hong, Crystal Van Dyken, Hayley Darby, et al.. (2020). Germline transmission of donor, maternal and paternal mtDNA in primates. Human Reproduction. 36(2). 493–505. 22 indexed citations

Ramsey, Cathy & Carol Hanna. (2019). In Vitro Culture of Rhesus Macaque (Macaca mulatta) Embryos. Methods in molecular biology. 2006. 341–353. 17 indexed citations

Fayomi, A, Karen A. Peters, Meena Sukhwani, et al.. (2019). Autologous grafting of cryopreserved prepubertal rhesus testis produces sperm and offspring. Science. 363(6433). 1314–1319. 215 indexed citations breakdown →

Bishop, Cecily V., Carol Hanna, Cathy Ramsey, et al.. (2017). Elevated androgen and/or consumption of a western-style diet has detrimental effects on rhesus monkey ovulatory follicles and oocytes. Fertility and Sterility. 108(3). e70–e71. 1 indexed citations

Fayomi, A, Karen A. Peters, Meena Sukhwani, et al.. (2017). Autologous grafting of frozen and thawed prepubertal testicular tissue produces functional sperm in Rhesus macaques. Fertility and Sterility. 108(3). e392–e392. 2 indexed citations

Hanna, Carol, Shan Yao, Cathy Ramsey, et al.. (2015). Phosphodiesterase 3 (PDE3) inhibition with cilostazol does not block in vivo oocyte maturation in rhesus macaques (Macaca mulatta). Contraception. 91(5). 418–422. 5 indexed citations

Ma, Hong, Masahito Tachibana, Michelle Sparman, et al.. (2012). Rapid Mitochondrial DNA Segregation in Primate Preimplantation Embryos Precedes Somatic and Germline Bottleneck. Cell Reports. 1(5). 506–515. 94 indexed citations

10.

Tachibana, Masahito, Michelle Sparman, Cathy Ramsey, et al.. (2012). Generation of Chimeric Rhesus Monkeys. Cell. 148(1-2). 285–295. 114 indexed citations

11.

Tachibana, Masahito, Hong Ma, Michelle Sparman, et al.. (2012). X-chromosome inactivation in monkey embryos and pluripotent stem cells. Developmental Biology. 371(2). 146–155. 16 indexed citations

12.

Tachibana, Masahito, Paula Amato, Michelle Sparman, et al.. (2012). Towards germline gene therapy of inherited mitochondrial diseases. Nature. 493(7434). 627–631. 272 indexed citations

13.

Lee, Hyo‐Sang, Masahito Tachibana, Michelle Sparman, et al.. (2011). Mitochondrial DNA Replacement in Primate Female Germ Line.. Biology of Reproduction. 85(Suppl_1). 239–239. 1 indexed citations

14.

Tachibana, Masahito, Michelle Sparman, Hathaitip Sritanaudomchai, et al.. (2009). Mitochondrial gene replacement in primate offspring and embryonic stem cells. Nature. 461(7262). 367–372. 372 indexed citations

15.

Sparman, Michelle, Vikas Dighe, Hathaitip Sritanaudomchai, et al.. (2009). Epigenetic Reprogramming by Somatic Cell Nuclear Transfer in Primates. Stem Cells. 27(6). 1255–1264. 28 indexed citations

16.

Tachibana, Masahito, Lisa Clepper, Michelle Sparman, Cathy Ramsey, & Shoukhrat Mitalipov. (2009). The Role of NANOG During Primate Pre-Implantation Embryo Development.. Biology of Reproduction. 81(Suppl_1). 248–248. 2 indexed citations

17.

Sparman, Michelle, Cathy Ramsey, Shoukhrat Mitalipov, et al.. (2007). Evaluation of the vervet (Clorocebus aethiops) as a model for the assisted reproductive technologies. American Journal of Primatology. 69(8). 917–929. 9 indexed citations

18.

Wolf, Don P., et al.. (2004). Use of Assisted Reproductive Technologies in the Propagation of Rhesus Macaque Offspring1. Biology of Reproduction. 71(2). 486–493. 62 indexed citations

19.

Mitalipov, Shoukhrat, et al.. (2002). Extended incubation of rhesus monkey cryopreserved sperm post thaw results in improved fertilization rates after ICSI. Fertility and Sterility. 78. S15–S16. 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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