Leonard Harris

666 total citations
26 papers, 525 citations indexed

About

Leonard Harris is a scholar working on Surgery, Epidemiology and Genetics. According to data from OpenAlex, Leonard Harris has authored 26 papers receiving a total of 525 indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Surgery, 9 papers in Epidemiology and 9 papers in Genetics. Recurrent topics in Leonard Harris's work include Inflammatory Bowel Disease (9 papers), Diverticular Disease and Complications (8 papers) and Gastrointestinal disorders and treatments (7 papers). Leonard Harris is often cited by papers focused on Inflammatory Bowel Disease (9 papers), Diverticular Disease and Complications (8 papers) and Gastrointestinal disorders and treatments (7 papers). Leonard Harris collaborates with scholars based in United States, India and Germany. Leonard Harris's co-authors include Walter A. Koltun, Lisa S. Poritz, Ashley A. Kelly, Sue Deiling, Arthur Berg, John P. Hegarty, Tara M. Connelly, David B. Stewart, William Sangster and Gregory S. Yochum and has published in prestigious journals such as Gastroenterology, Annals of Surgery and Scientific Reports.

In The Last Decade

Leonard Harris

25 papers receiving 519 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Leonard Harris United States	12	196	150	140	93	88	26	525
Mei Sun China	14	107 0.5×	158 1.1×	51 0.4×	54 0.6×	55 0.6×	35	467
Atsuo Maemoto Japan	17	175 0.9×	252 1.7×	214 1.5×	21 0.2×	142 1.6×	54	778
Ashley M. Hine United States	8	78 0.4×	277 1.8×	107 0.8×	34 0.4×	78 0.9×	14	630
S Nash United States	11	141 0.7×	231 1.5×	76 0.5×	100 1.1×	75 0.9×	15	821
Tom Holvoet Belgium	12	206 1.1×	270 1.8×	194 1.4×	23 0.2×	169 1.9×	26	677
Tsachi Tsadok Perets Israel	11	210 1.1×	109 0.7×	108 0.8×	13 0.1×	51 0.6×	35	448
Amanda Waddell United States	16	279 1.4×	214 1.4×	128 0.9×	27 0.3×	86 1.0×	21	910
Leslie Saurer Switzerland	14	150 0.8×	157 1.0×	91 0.7×	31 0.3×	65 0.7×	18	740
Ann Elisabet Østvik Norway	15	160 0.8×	175 1.2×	277 2.0×	15 0.2×	156 1.8×	26	676

Countries citing papers authored by Leonard Harris

Since Specialization

Citations

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

Fields of papers citing papers by Leonard Harris

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Leonard Harris

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

Ganapathy, Ashwinkumar Subramenium, Leonard Harris, Gregory S. Yochum, et al.. (2023). Alpha-tocopherylquinone-mediated activation of the Aryl Hydrocarbon Receptor regulates the production of inflammation-inducing cytokines and ameliorates intestinal inflammation. Mucosal Immunology. 16(6). 826–842. 4 indexed citations

Yochum, Gregory S., Kathleen M. Schieffer, Leonard Harris, et al.. (2021). COLQ and ARHGAP15 are Associated with Diverticular Disease and are Expressed in the Colon. Journal of Surgical Research. 267. 397–403. 4 indexed citations

Eshelman, Melanie A., Kathleen M. Schieffer, Sue Deiling, et al.. (2019). Elevated Colonic Mucin Expression Correlates with Extended Time to Surgery for Ulcerative Colitis Patients. Journal of Gastrointestinal and Liver Diseases. 28(4). 405–413. 6 indexed citations

Schieffer, Kathleen M., et al.. (2018). A Differential Host Response to Viral Infection Defines a Subset of Earlier-Onset Diverticulitis Patients. Journal of Gastrointestinal and Liver Diseases. 27(3). 249–255. 10 indexed citations

Schieffer, Kathleen M., Tara M. Connelly, Jeffrey Chen, et al.. (2018). Multifocal Versus Conventional Unifocal Diverticulitis: A Comparison of Clinical and Transcriptomic Characteristics. Digestive Diseases and Sciences. 64(11). 3143–3151. 6 indexed citations

Connelly, Tara M., et al.. (2017). Diverticulitis and Crohn's disease have distinct but overlapping tumor necrosis superfamily 15 haplotypes. Journal of Surgical Research. 214. 262–269. 13 indexed citations

Schieffer, Kathleen M., Justin Wright, Leonard Harris, et al.. (2017). The Microbial Ecosystem Distinguishes Chronically Diseased Tissue from Adjacent Tissue in the Sigmoid Colon of Chronic, Recurrent Diverticulitis Patients. Scientific Reports. 7(1). 8467–8467. 38 indexed citations

Sheldon, Kathryn, Feng Yun Yue, T. Salameh, et al.. (2017). Identification of a rare LAMB4 variant associated with familial diverticulitis through exome sequencing. Human Molecular Genetics. 26(16). 3212–3220. 26 indexed citations

Schieffer, Kathleen M., Scott M. Emrich, Leonard Harris, et al.. (2017). RNA-seq implicates deregulation of the immune system in the pathogenesis of diverticulitis. American Journal of Physiology-Gastrointestinal and Liver Physiology. 313(3). G277–G284. 20 indexed citations

10.

Connelly, Tara M., Arthur Berg, Emmanuelle Williams, et al.. (2016). Genetic and Demographic Correlates of Quality of Life after Ileal Pouch Anal Anastomosis for Ulcerative Colitis. 1(1). 1–10.

11.

Berg, Arthur, William Sangster, Kathleen M. Schieffer, et al.. (2016). Combined Medical and Surgical Approach Improves Healing of Septic Perianal Crohn's Disease. Journal of the American College of Surgeons. 223(3). 506–514e1. 11 indexed citations

12.

Connelly, Tara M., et al.. (2015). Genetic Determinants Associated With Early Age of Diagnosis of IBD. Diseases of the Colon & Rectum. 58(3). 321–327. 34 indexed citations

13.

Connelly, Tara M., Arthur Berg, Leonard Harris, et al.. (2015). Surgical diverticulitis is not associated with defects in the expression of wound healing genes. International Journal of Colorectal Disease. 30(9). 1247–1254. 2 indexed citations

14.

Hegarty, John P., William Sangster, Leonard Harris, & David B. Stewart. (2014). Proton pump inhibitors induce changes in colonocyte gene expression that may affect Clostridium difficile infection. Surgery. 156(4). 972–978. 29 indexed citations

15.

Connelly, Tara M., Arthur Berg, Leonard Harris, et al.. (2014). T-cell activation Rho GTPase–activating protein expression varies with inflammation location and severity in Crohn's disease. Journal of Surgical Research. 190(2). 457–464. 18 indexed citations

16.

Connelly, Tara M., Walter A. Koltun, William Sangster, et al.. (2014). An interleukin-4 polymorphism is associated with susceptibility to Clostridium difficile infection in patients with inflammatory bowel disease: Results of a retrospective cohort study. Surgery. 156(4). 769–775. 23 indexed citations

17.

Connelly, Tara M., Arthur Berg, Leonard Harris, et al.. (2014). Ulcerative colitis neoplasia is not associated with common inflammatory bowel disease single-nucleotide polymorphisms. Surgery. 156(2). 253–262. 14 indexed citations

18.

Lin, Zhenwu, John P. Hegarty, Arthur Berg, et al.. (2013). NOD2 Mutations Affect Muramyl Dipeptide Stimulation of Human B Lymphocytes and Interact with Other IBD-Associated Genes. Digestive Diseases and Sciences. 58(9). 2599–2607. 9 indexed citations

19.

Poritz, Lisa S., Leonard Harris, Ashley A. Kelly, & Walter A. Koltun. (2011). Increase in the Tight Junction Protein Claudin-1 in Intestinal Inflammation. Digestive Diseases and Sciences. 56(10). 2802–9. 163 indexed citations

20.

Harris, Leonard, et al.. (2007). Opposing Regulation of the Tight Junction Protein Claudin-2 by Interferon-γ and Interleukin-4. Journal of Surgical Research. 144(1). 1–7. 43 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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