Karen A. Johnstone

1.9k total citations · 1 hit paper
20 papers, 1.1k citations indexed

About

Karen A. Johnstone is a scholar working on Genetics, Molecular Biology and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, Karen A. Johnstone has authored 20 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Genetics, 12 papers in Molecular Biology and 6 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in Karen A. Johnstone's work include Genetic Syndromes and Imprinting (9 papers), Epigenetics and DNA Methylation (8 papers) and Prenatal Screening and Diagnostics (6 papers). Karen A. Johnstone is often cited by papers focused on Genetic Syndromes and Imprinting (9 papers), Epigenetics and DNA Methylation (8 papers) and Prenatal Screening and Diagnostics (6 papers). Karen A. Johnstone collaborates with scholars based in United States, United Kingdom and Australia. Karen A. Johnstone's co-authors include Maurice S. Swanson, William W. Hauswirth, Douglas W Esson, Adrian M. Timmers, Rahul Kanadia, Ami Mankodi, Codrin Lungu, Charles A. Thornton, James L. Resnick and Amanda J. DuBose and has published in prestigious journals such as Science, Proceedings of the National Academy of Sciences and PLoS ONE.

In The Last Decade

Karen A. Johnstone

20 papers receiving 1.1k 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.

A Muscleblind Knockout Model for Myotonic Dystrophy

2003 576 citations Rahul Kanadia, Karen A. Johnstone et al. Science profile →

Peers

Countries citing papers authored by Karen A. Johnstone

Since Specialization

Citations

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

Fields of papers citing papers by Karen A. Johnstone

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karen A. Johnstone. 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 Karen A. Johnstone. The network helps show where Karen A. Johnstone may publish in the future.

Co-authorship network of co-authors of Karen A. Johnstone

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

#	Work	Indexed citations
1	Standard setting anchor statements: a double cross-over trial of two different methods 2021 ·MedEdPublish ·S Burr, (unknown), (unknown), Colin C. Ferguson, (unknown), C. Gray, Adele Hill, (unknown), Karen A. Johnstone, (unknown), Chlöe Milsom, (unknown), Ann E. Rigby‐Jones, Iain M. Robinson, Nick J. Toms, Helen Watson, Daniel Zahra	1
2	OncoSim and OncoWiki: an authentic learning approach to teaching cancer genomics 2019 ·BMC Medical Education ·(unknown), Richard Osborne, Nick J. Toms, Karen A. Johnstone, Chlöe Milsom, (unknown), Michael A. Jarvis, Robert Belshaw	12
3	Dysregulation of Hnf1b Gene Expression in Cultured Beta-Cells in Response to Cytotoxic Fatty Acid 2015 ·PubMed ·Karen A. Johnstone, Eleftheria Diakogiannaki, Shalinee Dhayal, Noel G. Morgan, Lorna W. Harries	3
4	Regulatory Elements Associated with Paternally-Expressed Genes in the Imprinted Murine Angelman/Prader-Willi Syndrome Domain 2013 ·PLoS ONE ·(unknown), Jixiu Shan, Jyoti Khadake, (unknown), (unknown), Karen A. Johnstone, James L. Resnick, Thomas P. Yang	12
5	Oxidative Metabolism Genes Are Not Responsive to Oxidative Stress in Rodent Beta Cell Lines 2012 ·Experimental Diabetes Research ·(unknown), Karen A. Johnstone, Anna Murray, Jonathan M. Locke, Lorna W. Harries	4
6	Temporal and developmental requirements for the Prader–Willi imprinting center 2012 ·Proceedings of the National Academy of Sciences ·Amanda J. DuBose, (unknown), Karen A. Johnstone, James L. Resnick	12
7	A new deletion refines the boundaries of the murine Prader-Willi syndrome imprinting center 2011 ·Human Molecular Genetics ·Amanda J. DuBose, (unknown), Thomas P. Yang, Karen A. Johnstone, James L. Resnick	33
8	Transcription Is Required to Establish Maternal Imprinting at the Prader-Willi Syndrome and Angelman Syndrome Locus 2011 ·PLoS Genetics ·(unknown), Christopher R. Futtner, Stormy J. Chamberlain, Karen A. Johnstone, James L. Resnick	70
9	Novel monogenic diabetes mutations in the P2 promoter of the HNF4A gene are associated with impaired function in vitro 2010 ·Diabetic Medicine ·(unknown), Karen A. Johnstone, Lorna W. Harries, Sian Ellard, Gerhart U. Ryffel, Juraj Staník, Daniela Gašperíková, I Klimeś, Rinki Murphy	10
10	Atp10a, a gene adjacent to the PWS/AS gene cluster, is not imprinted in mouse and is insensitive to the PWS-IC 2009 ·Neurogenetics ·Amanda J. DuBose, Karen A. Johnstone, (unknown), (unknown), James L. Resnick	27
11	Behavioural and cognitive abnormalities in an imprinting centre deletion mouse model for Prader–Willi syndrome 2009 ·European Journal of Neuroscience ·Dinko Relkovic, (unknown), Trevor Humby, Karen A. Johnstone, James L. Resnick, Anthony Holland, Jim J. Hagan, Lawrence S. Wilkinson, Anthony R Isles	47
12	A targeted deletion upstream of Snrpn does not result in an imprinting defect 2007 ·Mammalian Genome ·(unknown), (unknown), James L. Resnick, Camilynn I. Brannan, Karen A. Johnstone	12
13	A human imprinting centre demonstrates conserved acquisition but diverged maintenance of imprinting in a mouse model for Angelman syndrome imprinting defects 2005 ·Human Molecular Genetics ·Karen A. Johnstone, Amanda J. DuBose, Christopher R. Futtner, (unknown), Camilynn I. Brannan, James L. Resnick	65
14	Evidence for genetic modifiers of postnatal lethality in PWS-IC deletion mice 2004 ·Human Molecular Genetics ·Stormy J. Chamberlain, Karen A. Johnstone, Amanda J. DuBose, (unknown), Marisa S. Bartolomei, James L. Resnick, Camilynn I. Brannan	44
15	A Muscleblind Knockout Model for Myotonic Dystrophy breakdown → 2003 ·Science ·Rahul Kanadia, Karen A. Johnstone, Ami Mankodi, Codrin Lungu, Charles A. Thornton, Douglas W Esson, Adrian M. Timmers, William W. Hauswirth, Maurice S. Swanson	576
16	Extending the Time Limit for Starting the Yuzpe Regimen of Emergency Contraception to 120 Hours 2003 ·Obstetrical & Gynecological Survey ·Charlotte Ellertson, Margaret J. Evans, (unknown), (unknown), (unknown), Karen A. Johnstone, James Trussell	3
17	HMG CoA reductase‐inhibitor‐related myopathy and the influence of drug interactions 2002 ·Internal Medicine Journal ·(unknown), Dennis Cordato, Yang Feng, (unknown), Karen A. Johnstone, (unknown), (unknown), Richard F. Dunn	18
18	Cre-loxP chromosome engineering of a targeted deletion in the mouse corresponding to the 3p21.3 region of homozygous loss in human tumours 2002 ·Oncogene ·Andrew J.H. Smith, Jian Xian, Melville Richardson, Karen A. Johnstone, Pamela Rabbitts	30
19	Identification of a novel transcript disrupted by a balanced translocation associated with DiGeorge syndrome. 1996 ·PubMed ·Helen Sutherland, R Wadey, Judith M. McKie, Catherine Taylor, (unknown), Karen A. Johnstone, Stephanie Halford, (unknown), Judith Goodship, Antonio Baldini, Peter Scambler	83
20	Cloning and mapping of murine Nfe2l1 1995 ·Genomics ·Judith M. McKie, Karen A. Johnstone, Marie‐Geneviève Mattéi, Peter Scambler	27

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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