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Biology and Biochemistry

D-Index
87
Citations
31462
World Ranking
2799
National Ranking
14

Overview

Peter J. O'Brien is affiliated with University College Dublin in Ireland. Their research spans multiple fields of study, primarily within Medicine and Biochemistry, Genetics and Molecular Biology. Their subfields include Surgery, Genetics, Small Animals, Molecular Biology, and Parasitology.

O'Brien's recent publications cover a variety of topics with an emphasis on biochemical analysis, drug transport, advanced drug delivery systems, and veterinary medical research. Some of the main research topics they have contributed to include:

  • Biochemical Analysis and Sensing Techniques
  • Drug Transport and Resistance Mechanisms
  • Advanced Drug Delivery Systems
  • Helminth infection and control
  • Veterinary Equine Medical Research
  • Plant Toxicity and Pharmacological Properties
  • Immunotoxicology and immune responses

Recent papers authored or co-authored by O'Brien include:

  • A head-to-head Caco-2 assay comparison of the mechanisms of action of the intestinal permeation enhancers: SNAC and sodium caprate (C10), 2020, European Journal of Pharmaceutics and Biopharmaceutics
  • Acute fasciolosis in an alpaca: a case report, 2021, BMC Veterinary Research
  • Considerations for the Identification and Conveyance of Clinical Pathology Findings in Preclinical Toxicity Studies: Results From the 9th ESTP International Expert Workshop, 2024, Toxicologic Pathology
  • A Severe Clinical Case of Ehrlichia canis and Toxoplasma gondii in a Dog (With the First Morphological Detection of Tachyzoites in Peripheral Blood), 2025, Veterinary Medicine and Science
  • Comparing the responsiveness of a generic and a musculoskeletal specific functional outcome measure in orthopaedic patients with operative fixation of pelvic ring, acetabulum, or tibia fractures: a comparison between single injury and multiply injured patients, 2021, OTA International The Open Access Journal of Orthopaedic Trauma

Throughout their career, O'Brien has collaborated frequently with a number of co-authors, including:

  • Ioana Sandu
  • Georgiana Deak
  • Caroline Twarog
  • Kai Liu
  • Kenneth A. Dawson

O'Brien's work has been published in a variety of scientific venues, reflecting a broad engagement with different research communities. Frequent publication venues include:

  • European Journal of Pharmaceutics and Biopharmaceutics
  • BMC Veterinary Research
  • Toxicologic Pathology
  • Veterinary Medicine and Science
  • OTA International The Open Access Journal of Orthopaedic Trauma

Best Publications

  • Identification of a mutation in porcine ryanodine receptor associated with malignant hyperthermia

    J Fujii;K Otsu;F Zorzato;S de Leon

  • Molecular mechanisms of quinone cytotoxicity.

    O'Brien Pj

  • Potential toxicity of flavonoids and other dietary phenolics: significance for their chemopreventive and anticancer properties.

    Giuseppe Galati;Peter J O'Brien

  • Aldehyde sources, metabolism, molecular toxicity mechanisms, and possible effects on human health.

    Peter J. O'Brien;Arno G. Siraki;Nandita Shangari

  • High concordance of drug-induced human hepatotoxicity with in vitro cytotoxicity measured in a novel cell-based model using high content screening.

    P. J. O’Brien;W. Irwin;D. Diaz;E. Howard-Cofield

  • Prooxidant activity and cellular effects of the phenoxyl radicals of dietary flavonoids and other polyphenolics.

    Giuseppe Galati;Omid Sabzevari;John X Wilson;Peter J O'Brien

  • Flavonoid B-ring chemistry and antioxidant activity: fast reaction kinetics

    Ananth Sekher Pannala;Tom S. Chan;Peter J. O'Brien;Catherine A. Rice-Evans

  • Mitochondrial function and toxicity: role of the B vitamin family on mitochondrial energy metabolism.

    Flore Depeint;W. Robert Bruce;Nandita Shangari;Rhea Mehta

  • Cellular and in vivo hepatotoxicity caused by green tea phenolic acids and catechins

    Giuseppe Galati;Alison Lin;Amira M. Sultan;Peter J. O'Brien

  • Cardiac troponin I is a sensitive, specific biomarker of cardiac injury in laboratory animals:

    P J O'Brien;D E C Smith;T J Knechtel;M A Marchak

  • A comparison of hepatocyte cytotoxic mechanisms for Cu2+ and Cd2+

    Jalal Pourahmad;Peter J O’Brien

  • Dietary flavonoid iron complexes as cytoprotective superoxide radical scavengers.

    Majid Y Moridani;Jalal Pourahmad;Hoang Bui;Arno Siraki

  • Metabolic products and pathways of fluorotelomer alcohols in isolated rat hepatocytes.

    Jonathan W. Martin;Scott A. Mabury;Peter J. O’Brien

  • Cancer chemoprevention and apoptosis mechanisms induced by dietary polyphenolics.

    G. Galati;S. Teng;M.Y. Moridani;T.S. Chan

  • Cardiac troponin is the most effective translational safety biomarker for myocardial injury in cardiotoxicity.

    Peter James O’Brien

  • Fanconi anemia group C protein prevents apoptosis in hematopoietic cells through redox regulation of GSTP1.

    Robert C. Cumming;Jeff Lightfoot;Kristin Beard;Hagop Youssoufian

  • Molecular mechanisms of hydrogen sulfide toxicity.

    Don H Truong;Mohammad A Eghbal;Wayne Hindmarsh;Sheldon H Roth

  • Peroxidative metabolism of apigenin and naringenin versus luteolin and quercetin: glutathione oxidation and conjugation.

    Giuseppe Galati;Majid Y. Moridani;Tom S. Chan;Peter J. O’Brien

  • The formaldehyde metabolic detoxification enzyme systems and molecular cytotoxic mechanism in isolated rat hepatocytes.

    Shirley Teng;Kristin Beard;Jalal Pourahmad;Majid Moridani

  • Mitochondrial function and toxicity: Role of B vitamins on the one-carbon transfer pathways

    Flore Depeint;W. Robert Bruce;Nandita Shangari;Rhea Mehta

Frequent Co-Authors

David J. Brayden
David J. Brayden University College Dublin
Kenneth A. Dawson
Kenneth A. Dawson University College Dublin
Pagona Lagiou
Pagona Lagiou National and Kapodistrian University of Athens
Francesco Zorzato
Francesco Zorzato University of Ferrara
David H. MacLennan
David H. MacLennan University of Toronto
Jonathan W. Martin
Jonathan W. Martin Stockholm University
Catherine Rice-Evans
Catherine Rice-Evans King's College London
Petra H.M. Peeters
Petra H.M. Peeters Utrecht University
Antonia Trichopoulou
Antonia Trichopoulou National and Kapodistrian University of Athens
Etelvino J. H. Bechara
Etelvino J. H. Bechara Universidade de São Paulo

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