John W. Littlefield

9.6k total citations · 3 hit papers
119 papers, 7.6k citations indexed

About

John W. Littlefield is a scholar working on Molecular Biology, Genetics and Oncology. According to data from OpenAlex, John W. Littlefield has authored 119 papers receiving a total of 7.6k indexed citations (citations by other indexed papers that have themselves been cited), including 76 papers in Molecular Biology, 17 papers in Genetics and 11 papers in Oncology. Recurrent topics in John W. Littlefield's work include Biochemical and Molecular Research (26 papers), Pluripotent Stem Cells Research (11 papers) and Metabolism and Genetic Disorders (10 papers). John W. Littlefield is often cited by papers focused on Biochemical and Molecular Research (26 papers), Pluripotent Stem Cells Research (11 papers) and Metabolism and Genetic Disorders (10 papers). John W. Littlefield collaborates with scholars based in United States, Italy and Netherlands. John W. Littlefield's co-authors include Elizabeth B. Keller, D.R. Sanadi, John D. Gearhart, Paul D. Blumenthal, George R. Huggins, Joyce Axelman, Michael J. Shamblott, Peter J. Donovan, Shunping Wang and David B. Dunn and has published in prestigious journals such as Nature, Science and New England Journal of Medicine.

In The Last Decade

John W. Littlefield

116 papers receiving 6.6k citations

Hit Papers

align trajectories sort by overperformance

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.

Selection of Hybrids from Matings of Fibroblasts in vitro and Their Presumed Recombinants

1964 1.8k citations John W. Littlefield Science profile →
Derivation of pluripotent stem cells from cultured human primordial germ cells

1998 1.0k citations John W. Littlefield, John D. Gearhart et al. Proceedings of the National Academy of Sciences profile →
STUDIES ON CYTOPLASMIC RIBONUCLEOPROTEIN PARTICLES FROM THE LIVER OF THE RAT

1955 377 citations John W. Littlefield et al. Journal of Biological Chemistry profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
John W. Littlefield United States	40	5.3k	1.4k	786	682	600	119	7.6k
Haim Aviv Israel	22	5.5k 1.0×	1.2k 0.8×	372 0.5×	407 0.6×	347 0.6×	35	8.0k
Patricia S. Thomas United States	11	6.0k 1.1×	1.8k 1.2×	420 0.5×	468 0.7×	513 0.9×	14	9.4k
Robert Ochs United States	43	5.2k 1.0×	925 0.6×	348 0.4×	450 0.7×	441 0.7×	144	8.2k
Charles D. Scher United States	36	3.1k 0.6×	1.1k 0.8×	450 0.6×	332 0.5×	499 0.8×	81	5.9k
Knut Sletten Norway	52	7.2k 1.4×	941 0.6×	1.9k 2.4×	415 0.6×	842 1.4×	208	9.5k
Richard N. Harkins United States	30	3.8k 0.7×	1.2k 0.9×	291 0.4×	594 0.9×	537 0.9×	58	7.4k
A F Purchio United States	48	5.1k 1.0×	1.6k 1.1×	234 0.3×	614 0.9×	544 0.9×	85	8.4k
M. D. Poulik United States	30	2.2k 0.4×	731 0.5×	655 0.8×	643 0.9×	210 0.3×	95	5.4k
Richard Tizard United States	41	6.1k 1.1×	1.7k 1.2×	527 0.7×	1.2k 1.7×	728 1.2×	56	11.8k
Robert G. Spiro United States	63	8.1k 1.5×	924 0.6×	991 1.3×	670 1.0×	1.0k 1.7×	144	12.4k

Countries citing papers authored by John W. Littlefield

Since Specialization

Citations

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

Fields of papers citing papers by John W. Littlefield

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of John W. Littlefield

This figure shows the co-authorship network connecting the top 25 collaborators of John W. Littlefield. A scholar is included among the top collaborators of John W. Littlefield 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 W. Littlefield. John W. Littlefield 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

Huggett, Kathryn N., Ruth Greenberg, Deepa Rao, et al.. (2012). The design and utility of institutional teaching awards: A literature review. Medical Teacher. 34(11). 907–919. 18 indexed citations

Littlefield, John W.. (1992). Possible supplemental mechanisms in the pathogenesis of AIDS. Clinical Immunology and Immunopathology. 65(2). 85–97. 5 indexed citations

Maloney, Peter C., et al.. (1987). Altered chloride metabolism in cultured cystic fibrosis skin fibroblasts.. Proceedings of the National Academy of Sciences. 84(9). 3009–3013. 17 indexed citations

Littlefield, John W.. (1986). The need to promote careers that combine research and clinical care. Academic Medicine. 61(10). 785–9. 13 indexed citations

Msall, Michael E., Mary Lou Oster‐Granite, John D. Gearhart, & John W. Littlefield. (1985). 1306 NEURAL CREST INVOLVEMENT IN MOUSE TRISOMY 16 EMBRYOPATHY. Pediatric Research. 19(4). 328A–328A. 10 indexed citations

Littlefield, John W.. (1984). Genes, chromosomes, and cancer. The Journal of Pediatrics. 104(4). 489–494. 16 indexed citations

Littlefield, John W.. (1982). NIH 3T3 Cell Line. Science. 218(4569). 214–216. 3 indexed citations

Choy, Wai Nang & John W. Littlefield. (1980). Isolation of diploid human lymphoblast mutants presumably homozygous for ouabain resistance. Proceedings of the National Academy of Sciences. 77(2). 1101–1105. 8 indexed citations

Zielke, H. Ronald & John W. Littlefield. (1974). Chapter 8 Repetitive Synchronization of Human Lymphoblast Cultures with Excess Thymidine. Methods in cell biology. 8(0). 107–121. 10 indexed citations

10.

Stark, Robert M. & John W. Littlefield. (1974). Mutagenic effect of BUdR in diploid human fibroblasts. Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis. 22(3). 281–286. 31 indexed citations

11.

Orkin, Stuart H., et al.. (1973). Lambda-Chain Production in Human Lymphoblast-Mouse Fibroblast Hybrids. Proceedings of the National Academy of Sciences. 70(8). 2401–2405. 11 indexed citations

12.

Milunsky, Aubrey, Leonard Atkins, & John W. Littlefield. (1971). Polyploidy in prenatal genetic diagnosis. The Journal of Pediatrics. 79(2). 303–305. 25 indexed citations

13.

Fox, Mark A. & John W. Littlefield. (1971). Reservations Concerning Gene Therapy. Science. 173(3993). 195–195. 5 indexed citations

14.

Littlefield, John W.. (1970). INTRODUCTORY REMARKS. Annals of the New York Academy of Sciences. 171(2). 379–380. 1 indexed citations

15.

Littlefield, John W.. (1970). The Pregnancy at Risk for a Genetic Disorder. New England Journal of Medicine. 282(11). 627–628. 20 indexed citations

16.

Littlefield, John W.. (1969). Nucleus and cytoplasm. The American Journal of Human Genetics. 21(4). 411–412. 1 indexed citations

17.

Littlefield, John W.. (1969). HYBRIDIZATION OF HAMSTER CELLS WITH HIGH AND LOW FOLATE REDUCTASE ACTIVITY. Proceedings of the National Academy of Sciences. 62(1). 88–95. 73 indexed citations

18.

Littlefield, John W.. (1969). Prenatal Diagnosis and Therapeutic Abortion. New England Journal of Medicine. 280(13). 722–723. 7 indexed citations

19.

Littlefield, John W.. (1965). Studies on thymidine kinase in cultured mouse fibroblasts. Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis. 95(1). 14–22. 143 indexed citations

20.

Sanadi, D.R. & John W. Littlefield. (1951). STUDIES ON α-KETOGLUTARIC OXIDASE. Journal of Biological Chemistry. 193(2). 683–689. 62 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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