Augustine Rajakumar

4.8k total citations · 1 hit paper
73 papers, 3.7k citations indexed

About

Augustine Rajakumar is a scholar working on Obstetrics and Gynecology, Pediatrics, Perinatology and Child Health and Immunology. According to data from OpenAlex, Augustine Rajakumar has authored 73 papers receiving a total of 3.7k indexed citations (citations by other indexed papers that have themselves been cited), including 60 papers in Obstetrics and Gynecology, 34 papers in Pediatrics, Perinatology and Child Health and 31 papers in Immunology. Recurrent topics in Augustine Rajakumar's work include Pregnancy and preeclampsia studies (60 papers), Birth, Development, and Health (33 papers) and Reproductive System and Pregnancy (29 papers). Augustine Rajakumar is often cited by papers focused on Pregnancy and preeclampsia studies (60 papers), Birth, Development, and Health (33 papers) and Reproductive System and Pregnancy (29 papers). Augustine Rajakumar collaborates with scholars based in United States, Portugal and Germany. Augustine Rajakumar's co-authors include Kirk P. Conrad, Carl A. Hubel, S. Ananth Karumanchi, James M. Roberts, Robert W. Powers, Eiji Shibata, Gail Harger, Nina Marković, Arun Jeyabalan and Ravi Thadhani and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and Journal of Clinical Investigation.

In The Last Decade

Augustine Rajakumar

73 papers receiving 3.6k 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.

Zika Virus Infects Human Placental Macrophages

2016 367 citations Kendra M. Quicke, J. Richard Bowen et al. Cell Host & Microbe profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Augustine Rajakumar United States	34	2.7k	2.0k	1.2k	522	446	73	3.7k
Caroline Dunk Canada	39	2.8k 1.0×	1.3k 0.7×	2.0k 1.7×	632 1.2×	1.3k 3.0×	83	4.4k
Ian Crocker United Kingdom	35	2.5k 0.9×	1.7k 0.9×	1.1k 0.9×	430 0.8×	641 1.4×	81	3.4k
Natalie J. Hannan Australia	39	3.0k 1.1×	1.9k 1.0×	2.6k 2.2×	1.1k 2.1×	775 1.7×	163	5.2k
Hideaki Masuzaki Japan	37	1.9k 0.7×	724 0.4×	1.4k 1.2×	481 0.9×	819 1.8×	151	4.1k
Gendie E. Lash United Kingdom	41	3.3k 1.2×	1.2k 0.6×	3.6k 3.1×	1.1k 2.0×	869 1.9×	143	5.6k
Ralf L. Schild Germany	25	1.1k 0.4×	1.1k 0.5×	334 0.3×	349 0.7×	379 0.8×	118	2.3k
Jung‐Sun Kim South Korea	27	1.2k 0.4×	775 0.4×	793 0.7×	547 1.0×	361 0.8×	99	2.5k
Mei Zhong China	27	777 0.3×	635 0.3×	384 0.3×	240 0.5×	571 1.3×	116	2.2k
Shingo Fujii Japan	45	2.2k 0.8×	621 0.3×	770 0.7×	643 1.2×	760 1.7×	115	5.0k
Makio Shozu Japan	32	1.2k 0.5×	364 0.2×	398 0.3×	650 1.2×	1.4k 3.1×	220	4.4k

Countries citing papers authored by Augustine Rajakumar

Since Specialization

Citations

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

Fields of papers citing papers by Augustine Rajakumar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Augustine Rajakumar

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

Sidell, Neil & Augustine Rajakumar. (2024). Retinoic Acid Action in Cumulus Cells: Implications for Oocyte Development and In Vitro Fertilization. International Journal of Molecular Sciences. 25(3). 1709–1709. 2 indexed citations

Rajakumar, Augustine, Maureen A. Kane, Jianshi Yu, et al.. (2020). Alternatively Activated Macrophages Are the Primary Retinoic Acid-Producing Cells in Human Decidua. Reproductive Sciences. 27(1). 334–341. 12 indexed citations

Deepak, Venkataraman, et al.. (2020). Transcription factor ID1 is involved in decidualization of stromal cells: Implications in preeclampsia. Pregnancy Hypertension. 21. 7–13. 7 indexed citations

Deepak, Venkataraman, Jianshi Yu, Jace W. Jones, et al.. (2019). Retinoic Acid Is a Negative Regulator of sFLT1 Expression in Decidual Stromal Cells, and Its Levels Are Reduced in Preeclamptic Decidua. Hypertension. 73(5). 1104–1111. 13 indexed citations

Badell, Martina L., et al.. (2018). Villous explants from preeclamptic placentas induce sFlt1 in PBMCs: An ex vivo co-culture study. Pregnancy Hypertension. 12. 40–46. 9 indexed citations

Quicke, Kendra M., J. Richard Bowen, Erica L. Johnson, et al.. (2016). Zika Virus Infects Human Placental Macrophages. Cell Host & Microbe. 20(1). 83–90. 367 indexed citations breakdown →

Zsengellér, Zsuzsanna K., Augustine Rajakumar, Saira Salahuddin, et al.. (2016). Trophoblast mitochondrial function is impaired in preeclampsia and correlates negatively with the expression of soluble fms-like tyrosine kinase 1. Pregnancy Hypertension. 6(4). 313–319. 50 indexed citations

Weissgerber, Tracey L., Augustine Rajakumar, Lia R. Edmunds, et al.. (2013). Vascular Pool of Releasable Soluble VEGF Receptor-1 (sFLT1) in Women With Previous Preeclampsia and Uncomplicated Pregnancy. The Journal of Clinical Endocrinology & Metabolism. 99(3). 978–987. 15 indexed citations

Bos, Eelke M., Augustine Rajakumar, Carrie Ris‐Stalpers, et al.. (2012). Hydrogen sulfide producing enzymes in pregnancy and preeclampsia. Placenta. 33(6). 518–521. 72 indexed citations

10.

Lin, Chien-Yu, et al.. (2009). Maternal Endothelial Progenitor Colony-Forming Units With Macrophage Characteristics Are Reduced in Preeclampsia. American Journal of Hypertension. 22(9). 1014–1019. 31 indexed citations

11.

Rajakumar, Augustine, et al.. (2008). Proteasomal Activity in Placentas from Women with Preeclampsia and Intrauterine Growth Restriction: Implications for Expression of HIF-α Proteins. Placenta. 29(3). 290–299. 39 indexed citations

12.

Jeyabalan, Arun, et al.. (2008). Circulating and Placental Endoglin Concentrations in Pregnancies Complicated by Intrauterine Growth Restriction and Preeclampsia. Placenta. 29(6). 555–563. 64 indexed citations

13.

Shibata, Eiji, Carl A. Hubel, Robert W. Powers, et al.. (2008). Placental System A Amino Acid Transport is Reduced in Pregnancies With Small For Gestational Age (SGA) Infants but Not in Preeclampsia with SGA Infants. Placenta. 29(10). 879–882. 50 indexed citations

14.

Rajakumar, Augustine, Arun Jeyabalan, Nina Markovic, et al.. (2007). Placental HIF-1α, HIF-2α, membrane and soluble VEGF receptor-1 proteins are not increased in normotensive pregnancies complicated by late-onset intrauterine growth restriction. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. 293(2). R766–R774. 44 indexed citations

15.

Rajakumar, Augustine, et al.. (2004). Evidence for the functional activity of hypoxia-inducible transcription factors overexpressed in preeclamptic placentae. Placenta. 25(10). 763–769. 206 indexed citations

16.

Rajakumar, Augustine, Shanthie Thamotharan, Nupur Raychaudhuri, Ram K. Menon, & Sherin U. Devaskar. (2004). Trans-activators Regulating Neuronal Glucose Transporter Isoform-3 Gene Expression in Mammalian Neurons. Journal of Biological Chemistry. 279(25). 26768–26779. 39 indexed citations

17.

Rajakumar, Augustine, Ketah Doty, A. Daftary, Gail Harger, & Kirk P. Conrad. (2003). Impaired Oxygen-dependent Reduction of HIF-1α and -2α Proteins in Pre-eclamptic Placentae. Placenta. 24(2-3). 199–208. 98 indexed citations

18.

Rajakumar, Augustine, et al.. (2001). Selective Overexpression of the Hypoxia-Inducible Transcription Factor, HIF-2α, in Placentas from Women with Preeclampsia1. Biology of Reproduction. 64(2). 499–506. 127 indexed citations

19.

Rajakumar, Augustine & Kirk P. Conrad. (2000). Expression, Ontogeny, and Regulation of Hypoxia-Inducible Transcription Factors in the Human Placenta1. Biology of Reproduction. 63(2). 559–569. 141 indexed citations

20.

Rajakumar, Augustine, Ella M. Swierkosz, & Irene T. Schulze. (1990). Sequence of an influenza virus hemagglutinin determined directly from a clinical sample.. Proceedings of the National Academy of Sciences. 87(11). 4154–4158. 28 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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