Ruth Sager

17.9k total citations · 3 hit papers
210 papers, 14.5k citations indexed

About

Ruth Sager is a scholar working on Molecular Biology, Oncology and Cancer Research. According to data from OpenAlex, Ruth Sager has authored 210 papers receiving a total of 14.5k indexed citations (citations by other indexed papers that have themselves been cited), including 110 papers in Molecular Biology, 37 papers in Oncology and 34 papers in Cancer Research. Recurrent topics in Ruth Sager's work include Photosynthetic Processes and Mechanisms (22 papers), Pregnancy and preeclampsia studies (21 papers) and Cancer-related Molecular Pathways (20 papers). Ruth Sager is often cited by papers focused on Photosynthetic Processes and Mechanisms (22 papers), Pregnancy and preeclampsia studies (21 papers) and Cancer-related Molecular Pathways (20 papers). Ruth Sager collaborates with scholars based in United States, Switzerland and Germany. Ruth Sager's co-authors include Anthony Anisowicz, S. Granick, Shijie Sheng, H. Schneider, Antoine Malek, Deborah A. Zajchowski, Mary J.C. Hendrix, Catherine Tomasetto, Vimla Band and Zenta Ramanis and has published in prestigious journals such as Nature, Science and New England Journal of Medicine.

In The Last Decade

Ruth Sager

207 papers receiving 13.9k 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.

Maspin, a Serpin with Tumor-Suppressing Activity in Human Mammary Epithelial Cells

1994 782 citations Ruth Sager et al. Science profile →
NUTRITIONAL STUDIES WITH CHLAMYDOMONAS REINHARDI

1953 477 citations Ruth Sager et al. profile →
NUTRITIONAL CONTROL OF SEXUALITY IN CHLAMYDOMONAS REINHARDI

1954 326 citations Ruth Sager et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ruth Sager United States	68	8.4k	2.9k	2.6k	2.0k	1.4k	210	14.5k
Hiroshi Handa Japan	70	14.3k 1.7×	2.7k 0.9×	1.2k 0.5×	2.6k 1.3×	2.0k 1.4×	407	20.0k
Ming Zhou China	62	9.7k 1.1×	1.8k 0.6×	2.3k 0.9×	806 0.4×	1.2k 0.9×	346	14.1k
Ulf Hellman Sweden	63	9.4k 1.1×	1.8k 0.6×	1.2k 0.5×	1.1k 0.5×	1.7k 1.2×	280	14.3k
Pierre Thibault Canada	72	9.2k 1.1×	1.6k 0.6×	960 0.4×	926 0.5×	2.8k 2.0×	335	15.9k
Ronald A. Laskey United Kingdom	64	21.6k 2.6×	2.7k 0.9×	1.4k 0.5×	4.8k 2.4×	2.1k 1.5×	119	29.6k
Takashi Yamamoto Japan	72	10.9k 1.3×	2.0k 0.7×	1.4k 0.5×	3.1k 1.6×	2.0k 1.4×	689	21.2k
Clive A. Slaughter United States	70	15.1k 1.8×	3.0k 1.0×	1.6k 0.6×	1.7k 0.8×	3.0k 2.1×	182	20.5k
Osamu Nureki Japan	74	19.5k 2.3×	2.0k 0.7×	842 0.3×	3.0k 1.5×	1.2k 0.9×	367	23.8k
William M. Bonner United States	65	25.4k 3.0×	6.2k 2.1×	5.5k 2.1×	3.4k 1.7×	2.2k 1.6×	143	33.4k
Richard D. Klausner United States	116	22.1k 2.6×	3.7k 1.3×	3.4k 1.3×	1.9k 1.0×	7.6k 5.4×	243	37.7k

Countries citing papers authored by Ruth Sager

Since Specialization

Citations

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

Fields of papers citing papers by Ruth Sager

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ruth Sager

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Sager, Ruth, et al.. (2013). Stem Cells From Umbilical Cord Wharton’s Jelly From Preterm Birth Have Neuroglial Differentiation Potential. Reproductive Sciences. 20(12). 1455–1464. 44 indexed citations

Guller, Seth, et al.. (2010). Protein composition of microparticles shed from human placenta during placental perfusion: Potential role in angiogenesis and fibrinolysis in preeclampsia. Placenta. 32(1). 63–69. 77 indexed citations

Nelle, Mathias, Luigi Raio, Fabio Ghezzi, et al.. (2004). 253 Interleukin-6 and C Reactive Protein in Serum and Urine of Neonates. Pediatric Research. 56(3). 507–507.

Santo, Stefano Di, Anastasia Malek, Ruth Sager, A.‐C. Andres, & H. Schneider. (2003). Trophoblast Viability in Perfused Term Placental Tissue and Explant Cultures Limited to 7–24 hours. Placenta. 24(8-9). 882–894. 54 indexed citations

Malek, Antoine, et al.. (2000). Production of Protein Hormones by Cultured Trophoblast Cells Isolated from Term and Early Placentae. American Journal of Reproductive Immunology. 43(5). 278–284. 5 indexed citations

Martin, Katherine J., Koichi Nagasaki, Michael J. O’Hare, et al.. (1998). Down-Regulation of Laminin-5 in Breast Carcinoma Cells. Molecular Medicine. 4(9). 602–613. 71 indexed citations

Malek, Antoine, et al.. (1996). Glucose Consumption and Lactate Production of Human Placental Tissue Under Different Conditions of In Vitro Incubation. Journal of the Society for Gynecologic Investigation. 3(3). 113–120. 3 indexed citations

Malek, Antoine, Ruth Sager, A. Zakher, & H. Schneider. (1995). Transport of immunoglobulin G and its subclasses across the in vitro-perfused human placenta. American Journal of Obstetrics and Gynecology. 173(3). 760–767. 61 indexed citations

Swisshelm, Karen, M. Léonard, & Ruth Sager. (1992). Preferential chromosome loss in human papilloma virus DNA‐lmmortalized mammary epithelial cells. Genes Chromosomes and Cancer. 5(3). 219–226. 5 indexed citations

10.

Band, Vimla, Deborah A. Zajchowski, Karen Swisshelm, et al.. (1990). Tumor progression in four mammary epithelial cell lines derived from the same patient.. PubMed. 50(22). 7351–7. 155 indexed citations

11.

Zajchowski, Deborah A., et al.. (1990). Suppression of tumor-forming ability and related traits in MCF-7 human breast cancer cells by fusion with immortal mammary epithelial cells.. Proceedings of the National Academy of Sciences. 87(6). 2314–2318. 59 indexed citations

12.

Beck, John S., Ruth Sager, & J.C. Murray. (1989). A Scal RFLP demonstrated for the GRO gene on chromosome 4. Nucleic Acids Research. 17(21). 8895–8895. 1 indexed citations

13.

Smith, Barbara L. & Ruth Sager. (1985). Genetic analysis of tumorigenesis: XXI. Suppressor genes in CHEF cells. Somatic Cell and Molecular Genetics. 11(1). 25–34. 7 indexed citations

14.

Howell, Neil & Ruth Sager. (1981). Genetic analysis of tumorigenesis. Cytogenetic and Genome Research. 31(4). 214–227. 19 indexed citations

15.

Kitchin, Rob & Ruth Sager. (1980). Genetic analysis of tumorigenesis: VI. Chromosome rearrangements in tumors derived from diploid premalignant Chinese hamster cells in nude mice. Somatic Cell and Molecular Genetics. 6(5). 615–630. 17 indexed citations

16.

Spudich, John L. & Ruth Sager. (1980). Regulation of the Chlamydomonas cell cycle by light and dark.. The Journal of Cell Biology. 85(1). 136–145. 162 indexed citations

17.

Sager, Ruth, et al.. (1979). Role of methylation in the modification and restriction of chloroplast DNA in Chlamydomonas.. Proceedings of the National Academy of Sciences. 76(3). 1390–1394. 81 indexed citations

18.

Roberts, Richard J., et al.. (1977). A site-specific single-strand endonuclease from the eukaryote Chlamydomonas.. Proceedings of the National Academy of Sciences. 74(7). 2687–2691. 30 indexed citations

19.

Sager, Ruth & Zenta Ramanis. (1968). The pattern of segregation of cytoplasmic genes in Chlamydomonas.. Proceedings of the National Academy of Sciences. 61(1). 324–331. 21 indexed citations

20.

Sager, Ruth. (1960). Genetic Systems in Chlamydomonas. Science. 132(3438). 1459–1465. 35 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.

Explore authors with similar magnitude of impact