World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
129
Citations
84721
World Ranking
2536
National Ranking
99

Overview

Mark Walker is affiliated with the University of Ottawa in Canada. Their research mainly focuses on medicine and biochemistry, genetics, and molecular biology. Within these fields, their work covers multiple subfields, including molecular biology, endocrinology, diabetes and metabolism, genetics, surgery, and physiology.

The main topics addressed in their research comprise pancreatic function and diabetes, genetic associations and epidemiology, metabolism related to diabetes and cancer, diabetes treatment and management, liver disease diagnosis and treatment, diabetes and associated disorders, and adipose tissue and metabolism.

Walker has contributed to several recent publications, including:

  • Discovery of drug-omics associations in type 2 diabetes with generative deep-learning models, 2023, Nature Biotechnology
  • Predicting and elucidating the etiology of fatty liver disease: A machine learning modeling and validation study in the IMI DIRECT cohorts, 2020, PLoS Medicine
  • Four groups of type 2 diabetes contribute to the etiological and clinical heterogeneity in newly diagnosed individuals: An IMI DIRECT study, 2022, Cell Reports Medicine
  • Pharmacogenomics of GLP-1 receptor agonists: a genome-wide analysis of observational data and large randomised controlled trials, 2022, The Lancet Diabetes & Endocrinology
  • Serum Metabolic Fingerprints on Bowl-Shaped Submicroreactor Chip for Chemotherapy Monitoring, 2022, ACS Nano

The scientist frequently collaborates with other researchers including Andrea Mari, Paul W. Franks, Ewan R. Pearson, Anubha Mahajan, and Timothy J. McDonald.

Walker's work has been published predominantly in venues such as bioRxiv (Cold Spring Harbor Laboratory), Diabetologia, Zenodo (CERN European Organization for Nuclear Research), Diabetes, and The Journal of Clinical Endocrinology & Metabolism.

Across their publications, Walker addresses diverse aspects of metabolic diseases with significant attention to diabetes, its genetic and clinical heterogeneity, as well as methods for diagnosis and treatment of related liver and adipose tissue disorders. The research approach integrates machine learning, pharmacogenomics, and metabolic fingerprinting techniques.

Best Publications

  • Genome-wide association study of 14,000 cases of seven common diseases and 3,000 shared controls

    Paul R. Burton;David G. Clayton;Lon R. Cardon;Nick Craddock

  • A common variant in the FTO gene is associated with body mass index and predisposes to childhood and adult obesity

    Timothy M. Frayling;Nicholas J. Timpson;Michael N. Weedon;Eleftheria Zeggini;Eleftheria Zeggini;Eleftheria Zeggini

  • Replication of Genome-Wide Association Signals in UK Samples Reveals Risk Loci for Type 2 Diabetes

    Eleftheria Zeggini;Michael N. Weedon;Cecilia M. Lindgren;Timothy M. Frayling

  • Meta-analysis of genome-wide association data and large-scale replication identifies additional susceptibility loci for type 2 diabetes

    E Zeggini;L J Scott;R Saxena;B F Voight

  • Defining the role of common variation in the genomic and biological architecture of adult human height

    Andrew R. Wood;Tonu Esko;Jian Yang;Sailaja Vedantam

  • Twelve type 2 diabetes susceptibility loci identified through large-scale association analysis

    Benjamin F. Voight;Benjamin F. Voight;Laura J. Scott;Valgerdur Steinthorsdottir;Andrew P. Morris

  • Genetic studies of body mass index yield new insights for obesity biology

    Adam E. Locke;Bratati Kahali;Sonja I. Berndt;Anne E. Justice

  • Genome-wide association study identifies eight loci associated with blood pressure

    Christopher Newton-Cheh;Christopher Newton-Cheh;Toby Johnson;Toby Johnson;Vesela Gateva;Martin D. Tobin

  • Association scan of 14,500 nonsynonymous SNPs in four diseases identifies autoimmunity variants

    Paul R Burton;David G Clayton;Lon R Cardon;Nick Craddock

  • Teenage pregnancy and adverse birth outcomes: a large population based retrospective cohort study

    Xi-Kuan Chen;Shi Wu Wen;Nathalie Fleming;Kitaw Demissie

  • The genetic architecture of type 2 diabetes

    Christian Fuchsberger;Christian Fuchsberger;Jason A. Flannick;Jason A. Flannick;Tanya M. Teslovich;Anubha Mahajan

  • Large-Scale Association Studies of Variants in Genes Encoding the Pancreatic β-Cell KATP Channel Subunits Kir6.2 (KCNJ11) and SUR1 (ABCC8) Confirm That the KCNJ11 E23K Variant Is Associated With Type 2 Diabetes

    Anna L. Gloyn;Michael N. Weedon;Katharine R. Owen;Martina J. Turner

  • Genome-wide association study of CNVs in 16,000 cases of eight common diseases and 3,000 shared controls

    Nick Craddock;Matthew E. Hurles;Niall Cardin;Richard D. Pearson

  • Genetic variation in GIPR influences the glucose and insulin responses to an oral glucose challenge

    Richa Saxena;Richa Saxena;Claudia Langenberg;Toshiko Tanaka;Toshiko Tanaka

  • Localization of type 1 diabetes susceptibility to the MHC class I genes HLA-B and HLA-A

    Sergey Nejentsev;Joanna M. M. Howson;Neil M. Walker;Jeffrey Szeszko

  • Physical activity attenuates the influence of FTO variants on obesity risk: A meta-analysis of 218,166 adults and 19,268 children

    Tuomas O. Kilpeläinen;Lu Qi;Soren Brage;Stephen J. Sharp

  • The Influence of Age and Sex on Genetic Associations with Adult Body Size and Shape: A Large-Scale Genome-Wide Interaction Study

    Thomas W. Winkler;Anne E. Justice;Mariaelisa Graff;Llilda Barata

  • Phosphorylation of HuR by Chk2 regulates SIRT1 expression

    Kotb Abdelmohsen;Rudolf Pullmann;Ashish Lal;Hyeon Ho Kim

  • Novel Loci for Adiponectin Levels and Their Influence on Type 2 Diabetes and Metabolic Traits: A Multi-Ethnic Meta-Analysis of 45,891 Individuals

    Z Dastani;Hivert M-F.;Hivert M-F.;N Timpson;Perry Jrb.;Perry Jrb.

  • The genetic architecture of type 2 diabetes

    Christian Fuchsberger;Jason Flannick;Tanya M. Teslovich;Anubha Mahajan

Frequent Co-Authors

Shi Wu Wen
Shi Wu Wen Ottawa Hospital
Timothy M. Frayling
Timothy M. Frayling University of Geneva
Andrew T. Hattersley
Andrew T. Hattersley University of Exeter
Torben Hansen
Torben Hansen University of Copenhagen
Paul W. Franks
Paul W. Franks Lund University
Erik Ingelsson
Erik Ingelsson Stanford University
Andrew P. Morris
Andrew P. Morris University of Liverpool
Cecilia M. Lindgren
Cecilia M. Lindgren University of Oxford
Oluf Pedersen
Oluf Pedersen University of Copenhagen

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