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Pedro Araujo

Telefon: 47645029


Faglige foredrag


Effekter av resveratrol på lipo-polysakkarid indusert transkripsjon av immungener og eikosanoidsekresjon i atlantisk laks, ved bruk av forskjellige cellemodeller.

Elisabeth Holen, Pedro Araujo, S Xie, Liv Ingeborg Rosvoll Søfteland, Marit Espe

Spesiering og biotilgjengelighet av selen og sink i laksefôr

Antony Prabhu, Marta Sofia Silva, Veronika Sele, thea stewart, Pedro Araujo, Heidi Amlund, Jens Jørgen Sloth, Saskia Kröckel, May-Helen Holme, Christer Hogstrand, Robin Ørnsrud, Erik-Jan Lock, Rune Waagbø

Kva betyr omega-6/omega-3 balanse og metta feitt i fôr for motstandsdyktigheit mot PD?

Sofie C. Remø, Sonal Patel, Pedro Araujo, Inger Uglenes, Charles McGurk, Grethe Rosenlund, Nini Sissener, Bente Elisabeth Torstensen, Rune Waagbø

Dietary Fatty Acids and Inflammation in the vertebral column of Atlantic salmon (Salmo salar) smolts: A possible link to spinal deformities

Laura Gil Martens, Erik-Jan Lock, Per Gunnar Fjelldal, Anna Wargelius, Pedro Araujo, Bente Elisabeth Torstensen, Paul Eckhard Witten, Tom Johnny Hansen, Rune Waagbø, Robin Ørnsrud

Vitenskapelige artikler (NVI)


Dietary 18:2n-6 affects EPA (20:5n-3) and ARA (20:4n-6) content in cell membranes and eicosanoid production in Atlantic salmon (Salmo salar L.)

Nini Sissener, Pedro Araujo, Øystein Sæle, Gjert Hovland Rosenlund, Ingunn Stubhaug, Monica Sanden
Aquaculture 522

Fatty acid reference intervals in red blood cells among pregnant women in Norway–Cross sectional data from the ‘Little in Norway’ cohort

Pedro Araujo, Marian Kjellevold, Ive Nerhus, Lisbeth Dahl, Inger Aakre, Vibeke Moe, Lars Smith, Maria Wik
Nutrients 12 p. 1-16

Modeling the influence of time and temperature on the levels of fatty acids in the liver of Antarctic fish Trematomus bernacchii

Matteo Antonucci, Ikram Belghit, Cristina Truzzi, Silvia Illuminati, Pedro Araujo
Polar Biology 42 p. 2017-2030

Resveratrol inhibited LPS induced transcription of immune genes and secretion of eicosanoids in Atlantic salmon (Salmo salar), comparing mono-, co- and a novel triple cell culture model of head kidney leukocytes, liver cells and visceral adipocyte tissue

Elisabeth Holen, Pedro Araujo, Shiwei Xie, Liv Ingeborg Rosvoll Søfteland, Marit Espe

The effect of omega-3 and omega-6 polyunsaturated fatty acids on the production of cyclooxygenase and lipoxygenase metabolites by human umbilical vein endothelial cells

Pedro Araujo, Ikram Belghit, Niels Aarsaether, Marit Espe, Eva Lucena, Elisabeth Holen
Nutrients 11:966 p. 1-18

Development of a fatty liver model using oleic acid in primary liver cells isolated from Atlantic salmon and the prevention of lipid accumulation using metformin

Marit Espe, Shiwei Xie, Shijun Chen, Pedro Araujo, Elisabeth Holen
Aquaculture Nutrition 25 p. 737-746

Apparent availability of zinc, selenium and manganese as inorganic metal salts or organic forms in plant-based diets for Atlantic salmon (Salmo salar)

Marta Sofia silva, Saskia Kröckel, Antony Prabhu, Wolfgang Koppe, Robin Ørnsrud, Rune Waagbø, Pedro Araujo, Heidi Amlund
Aquaculture 503 p. 562-570

Speciation of zinc in fish feed by size exclusion chromatography coupled to inductively coupled plasma mass spectrometry – using fractional factorial design for method optimisation and mild extraction conditions

Marta Sofia Silva, Veronika Sele, Jens Jørgen Sloth, Pedro Araujo, Heidi Amlund
Journal of chromatography. B 1104 p. 262-268

A comparative study: Difference in omega-6/omega-3 balance and saturated fat in diets for Atlantic salmon (Salmo salar) affect immune-, fat metabolism-, oxidative and apoptotic-gene expression, and eicosanoid secretion in head kidney leukocytes

Elisabeth Holen, Pedro Araujo, Nini Sissener, Grethe Rosenlund, Rune Waagbø
Fish and Shellfish Immunology 72 p. 57-68

Effect of storage time, temperature, antioxidant and thawing on fatty acid composition of plasma, serum and red blood cells – A pilot biobank study

Pedro Araujo, Tormod Bjørkkjær, Livar Frøyland, Rune Waagbø
Clinical Biochemistry 52 p. 94-105

A novel strategy for discriminating marine oils by using the positional distribution (sn-1, sn-2, sn-3) of omega-3 polyunsaturated fatty acids in triacylglycerols

Pedro Araujo, Ephrem Tilahun, Yingxu Zeng
Talanta: The International Journal of Pure and Applied Analytical Chemistry 182 p. 32-37

Modulation of nutrient composition of black soldier fly (Hermetia illucens) larvae by feeding seaweed-enriched media

Nina Sylvia Liland, Irene Biancarosa, Pedro Araujo, Daan Biemans, Christian Guido Bruckner, Rune Waagbø, Bente Elisabeth Torstensen, Erik-Jan Lock

Uptake of heavy metals and arsenic in black soldier fly (Hermetia illucens) larvae grown on seaweed-enriched media

Irene Biancarosa, Nina Sylvia Liland, Daan Biemans, Pedro Araujo, Christian Guido Bruckner, Rune Waagbø, Bente Elisabeth Torstensen, Erik-Jan Lock, Heidi Amlund
Journal of the Science of Food and Agriculture 98 p. 2176-2183

A simple liquid extraction protocol for overcoming the ion suppression of triacylglycerols by phospholipids in liquid chromatography mass spectrometry studies

Pedro Araujo, Ephrem Tilahun, Joar Fjørtoft Breivik, Bashir Mohamed Hissen Abdulkader, Livar Frøyland, Yingxu Zeng
Talanta: The International Journal of Pure and Applied Analytical Chemistry 148 p. 463-471

An LC–MS-based lipidomics approach for studying the impact of dietary eicosapentaenoic acid on modulating methylmercury toxicity in mice

Yingxu Zeng, Svein Are Mjøs, Pedro Araujo, Bjørn Grung, Lisa Kolden Midtbø, Zhen-yu Du
Metabolomics 12:174

Hydrolyzed fish proteins modulates both inflammatory and antioxidant gene expression as well as protein expression in a co culture model of liver and head kidney cells isolated from Atlantic salmon (Salmo salar)

Elisabeth Holen, Juyun He, Pedro Araujo, Jørgen Seliussen, Marit Espe
Fish and Shellfish Immunology 54 p. 22-29

Plackett-Burman design and fragmentation studies to assist the 1 comparison of techniques used to extract phospholipids prior to regiospecific characterization by liquid chromatography mass spectrometry

Pedro Araujo, Han Zhu, Joar Fjørtoft Breivik, Jan Idar Hjelle, Yingxu Zeng, Svein Are Mjøs
American Journal of Modern Chromatography 3 p. 1-22

Comments on Boelaert et al. Determination of Asymmetric and Symmetric Dimethylarginine in Serum from Patients with Chronic Kidney Disease: UPLC–MS/MS versus ELISA

Dimitrios Tsikas, bibiana beckmann, Pedro Araujo
Toxins 8 p. 1-3

Combining eicosapentaenoic acid, decosahexaenoic acid and arachidonic acid, using a fully crossed design, affect gene expression and eicosanoid secretion in salmon head kidney cells invitro

Elisabeth Holen, Juyun He, Marit Espe, Liqiou Chen, Pedro Araujo
Fish and Shellfish Immunology 45 p. 695-703

Determination and structural elucidation of triacylglycerols in krill oil by chromatographic techniques

Pedro Araujo, Han Zhu, Joar Fjørtoft Breivik, Jan Idar Hjelle, Yingxu Zeng
Lipids 49 p. 163-172

Development and validation of an extraction method for the determination of pro-inflammatory eicosanoids in human plasma using liquid chromatography-tandem mass spectrometry

Pedro Araujo, Zebasil Tassew Mengesha, Eva Lucena, Bjørn Grung
Journal of Chromatography A 1353 p. 57-64

The impact of exogenous ω-6 and ω-3 polyunsaturated fatty acids on the induced production of pro- and anti-inflammatory prostaglandins and leukotrienes in Atlantic salmon head kidney cells using a full factorial design and LC-MS/MS

Pedro Araujo, Eva Lucena, Yang Yang, Bupesh Ceemala, Zebasil Tassew Mengesha, Elisabeth Holen
Journal of chromatography. B 964 p. 164-171

A co culture approach show that polyamine turnover is affected during inflammation in Atlantic salmon immune and liver cells and that arginine and LPS exerts opposite effects on p38MAPK signaling

Elisabeth Holen, Marit Espe, Synne Marte Andersen, Richard Taylor, Anders Aksnes, Zebasil Tassew Mengesha, Pedro Araujo
Fish and Shellfish Immunology 37 p. 286-298

Cytokine gene expression and prostaglandin production in head kidney leukocytes isolated from Atlantic cod (Gadus morhua) added different levels of arachidonic acid and eicosapentaenoic acid

Miriam Furné Castillo, Elisabeth Holen, Pedro Araujo, Kai Kristoffer Lie, Mari Moren
Fish and Shellfish Immunology 34 p. 770-777

Dietary eicosapentaenoic acid supplementation accentuates hepatic triglyceride accumulation in mice with impaired fatty acid oxidation capacity

Zhen-yu Du, Tao Ma, Bjørn Liaset, Alison H. Keenan, Pedro Araujo, Erik-Jan Lock, Laurent Demizieux, Pascal Degrace, Livar Frøyland, Karsten Kristiansen, Lise Madsen
Biochimica et Biophysica Acta - Molecular and Cell Biology of Lipids 1831 p. 291-299

Pathogen recognition and mechanisms in Atlantic cod (Gadus morhua) head kidney cells Bacteria (LPS) and virus (poly I:C) signals through different pathways and affect distinct genes

Elisabeth Holen, Kai Kristoffer Lie, Hernandez Pedro W. Araujo, Pål Asgeir Olsvik
Fish and Shellfish Immunology 33 p. 267-276

Application of Doehlert uniform shell designs for selecting optimal amounts of internal standards in the analysis of prostaglandins and leukotrienes by liquid chromatography-tandem mass spectrometry

Hernandez Pedro W. Araujo, Steve Janagap, Elisabeth Holen
Journal of Chromatography A 1260 p. 102-110

Development of an extraction method for the determination of prostaglandins in biological tissue samples using liquid chromatography-tandem mass spectrometry: Application to gonads of Atlantic cod (Gadus morhua)

Steve Janagap, Rita Azeredo, Thu Thao Nguyen, Kristin Hamre, Hernandez Pedro W. Araujo
Analytica Chimica Acta 749 p. 51-55

Chemometrics in chromatography

Pedro Araujo, Bjørn Grung
Journal of chromatography. B 910 p. 1

Doehlert uniform shell designs and chromatography

Hernandez Pedro W. Araujo, Steve Janagap
Journal of chromatography. B 910 p. 14-21

Evaluation of different fingerprinting strategies for differentiating marine oils by liquid chromatography ion-trap mass spectrometry and chemometrics

Yingxu Zeng, HERNANDEZ PEDRO W ARAUJO, Bjørn Grung, Liangxiao Zhang
The Analyst 136 p. 1507-1514

Subjective food hypersensitivity: assessment of enterochromaffin cell markers in blood and gut lavage fluid

Kine Gregersen, Jørgen Valeur, Kristine Lillestøl, Livar Frøyland, Hernandez Pedro W. Araujo, Gülen Arsland Lied, Arnold Berstad
International Journal of General Medicine 4 p. 555-560

UCP1 Induction during Recruitment of Brown Adipocytes in White Adipose Tissue Is Dependent on Cyclooxygenase Activity

Lise Madsen, Lone M Pedersen, Haldis Haukås Lillefosse, Even Fjaere, Ingeborg Brønstad, Qin Hao, Rasmus Kofoed Petersen, Philip Hallenborg, Tao Ma, Rita De Matteis, HERNANDEZ PEDRO W ARAUJO, Josep Mercader, M Louisa Bonet, Jacob B Hansen, Barbara Cannon, Jan Nedergaard, Jun Wang, Saverio Cinti, Peter Voshol, Stein Ove Doskeland, Karsten Kristiansen

Elucidation of triacylglycerols in cod liver oil by liquid chromatography electrospray tandem ion-trap mass spectrometry

Yingxu Zeng, HERNANDEZ PEDRO W ARAUJO, ZHEN-YU DU, Thu-Thao Nguyen, Livar Frøyland, Bjørn Grung
Talanta: The International Journal of Pure and Applied Analytical Chemistry 82 p. 1261-1270

Discrimination of n-3 rich oils by gas chromatography

HERNANDEZ PEDRO W ARAUJO, Yingxu Zeng, ZHEN-YU DU, Thu-Thao Nguyen, Livar Frøyland, Bjørn Grung
Lipids 45 p. 1147-1158

Unbound DHA causes a high blank value in beta-oxidation assay: a concern for in vitro studies

ZHEN-YU DU, HERNANDEZ PEDRO W ARAUJO, Ingunn Stubhaug, Livar Frøyland
European Journal of Lipid Science and Technology 112 p. 333-342

Epidermis-Type Lipoxygenase 3 Regulates Adipocyte Differentiation and Peroxisome Proliferator-Activated Receptor Activity

Philip Hallenborg, Claus Jørgensen, Rasmus K. Petersen, Søren Feddersen, HERNANDEZ PEDRO W ARAUJO, Patrick Markt, Thierry Langer, Gerhard Furstenberger, Peter Krieg, Arjen Koppen, Eric Kalkhoven, Lise Madsen, K Kristiansen
Molecular and Cellular Biology 30 p. 4077-4091

Dietary fatty acids and inflammation in the vertebral column of Atlantic salmon, Salmo salar L., smolts: a possible link to spinal deformities

Laura Gil Martens, ERIK-JAN LOCK, Per Gunnar Fjelldal, Anna Wargelius, HERNANDEZ PEDRO W ARAUJO, BENTE ELISABETH TORSTENSEN, P. Eckhard Witten, Tom Hansen, Rune Waagbø, ROBIN ØRNSRUD
Journal of Fish Diseases 33 p. 957-972

A randomized double blind comparison of short-term duodenally administrated whale and seal blubber oils in patients with inflammatory bowel disease and joint pain

Tormod Bjørkkjær, HERNANDEZ PEDRO W ARAUJO, Tor Magne Madland, Arnold Berstad, Livar Frøyland
Prostaglandins, Leukotrienes and Essential Fatty Acids 81 p. 425-432

Key aspects of analytical method validation and linearity evaluation

Journal of chromatography. B 877 p. 2224-2234

Improved quantification of prostaglandins in biological samples by optimizing simultaneously the relationship eicosanoid/internal standard and using liquid chromatography tandem mass spectrometry

HERNANDEZ PEDRO W ARAUJO, Tormod Bjørkkjær, Arnold Berstad, Livar Frøyland
Prostaglandins, Leukotrienes and Essential Fatty Acids 77 p. 9-13

Annet tidsskriftbidrag


Accurate measurement of nitrate, nitrite, and S-nitrosothiols in biological samples by mass spectrometry

Dimitrios Tsikas, Anke Böhmer, Anja Mitschke, Pedro Araujo
65 p. 301-304



Zinc speciation in fish feed – analytical challenges in sample preparation and compound characterization

Marta Sofia Silva, Sylvain Alain Yves Merel, Veronika Sele, Pedro Araujo, Heidi Amlund, Jens Jørgen Sloth

Environmental contaminants in mother and child - Is there a correlation between mothers seafood intake and levels of environmental persistent organic contaminants in mother and child at 3, 6 and 12 months post partum

Kaja Sørli, R. B. Barnung, Maria W. Markhus, Pedro Araujo, Josef Daniel Rasinger, Marian Kjellevold Malde, Anne-Katrine Lundebye, Robin Ørnsrud, Ingvild Eide Graff, Siv Skotheim, Hanne Cecilie Braarud, Kjell Morten Stormark, Trond Brattelid

Discrimination of omega-3 rich oils derived from fish and marine mammals by gas chromatography and principal component analysis

Yingxu Zeng, HERNANDEZ PEDRO W ARAUJO, ZHEN-YU DU, Thu-Thao Nguyen, Livar Frøyland, Bjørn Grung



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