Publications by authors named "Erik Ropstad"

123Publications

A human relevant mixture of persistent organic pollutants (POPs) and perfluorooctane sulfonic acid (PFOS) differentially affect glutamate induced excitotoxic responses in chicken cerebellum granule neurons (CGNs) in vitro.

Authors:
Ajay Yadav Steven Verhaegen Evelien Verbruggen Marie Kerhoas Eva Henriette Willemijn Huiberts Mussie Ghezu Hadera Hanne Friis Berntsen Karin Elisabeth Zimmer Erik Ropstad Ragnhild Elisabeth Paulsen

Reprod Toxicol 2021 Jan 23. Epub 2021 Jan 23.

Section for Pharmacology and Pharmaceutical Biosciences, Department of Pharmacy, University of Oslo, P.O. Box 1068, Blindern, NO-0316, Oslo, Norway. Electronic address:

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January 2021

Exposure to human relevant mixtures of halogenated persistent organic pollutants (POPs) alters neurodevelopmental processes in human neural stem cells undergoing differentiation.

Authors:
Nichlas Davidsen Anna Jacobsen Lauvås Oddvar Myhre Erik Ropstad Donatella Carpi Emilio Mendoza-de Gyves Hanne Friis Berntsen Hubert Dirven Ragnhild E Paulsen Anna Bal-Price Francesca Pistollato

Reprod Toxicol 2020 Dec 14;100:17-34. Epub 2020 Dec 14.

European Commission, Joint Research Centre (JRC), Ispra, Italy. Electronic address:

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December 2020

Microcystins and Microcystis aeruginosa PCC7806 extracts modulate steroidogenesis differentially in the human H295R adrenal model.

Authors:
Vittoria Mallia Steven Verhaegen Bjarne Styrishave Gunnar Sundstøl Eriksen Malene Louise Johannsen Erik Ropstad Silvio Uhlig

PLoS One 2020 15;15(12):e0244000. Epub 2020 Dec 15.

Toxinology Research Group, Norwegian Veterinary Institute, Oslo, Norway.

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December 2020

A human relevant mixture of persistent organic pollutants (POPs) and perfluorooctane sulfonic acid (PFOS) enhance nerve growth factor (NGF)-induced neurite outgrowth in PC12 cells.

Authors:
Ajay Yadav Mazia Amber Denis Zosen Nils Anders Labba Eva Henriette Willemijn Huiberts Johanna Samulin Erdem Fred Haugen Hanne Friis Berntsen Shanbeh Zienolddiny Ragnhild Elisabeth Paulsen Erik Ropstad Lisa Connolly Steven Verhaegen

Toxicol Lett 2021 Mar 9;338:85-96. Epub 2020 Dec 9.

Department of Production Animal Clinical Sciences, Norwegian University of Life Sciences, P.O. Box 369 Sentrum, NO-0102, Oslo, Norway.

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March 2021

The neglected season: Warmer autumns counteract harsher winters and promote population growth in Arctic reindeer.

Authors:
Leif Egil Loe Glen E Liston Gabriel Pigeon Kristin Barker Nir Horvitz Audun Stien Mads Forchhammer Wayne Marcus Getz Robert Justin Irvine Aline Lee Lars K Movik Atle Mysterud Åshild Ø Pedersen Adele K Reinking Erik Ropstad Liv Monica Trondrud Torkild Tveraa Vebjørn Veiberg Brage B Hansen Steve D Albon

Glob Chang Biol 2020 Nov 24. Epub 2020 Nov 24.

The James Hutton Institute, Aberdeen, UK.

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November 2020

Effects of a human-based mixture of persistent organic pollutants on the in vivo exposed cerebellum and cerebellar neuronal cultures exposed in vitro.

Authors:
Hanne Friis Berntsen Nur Duale Cesilie Granum Bjørklund Oscar Daniel Rangel-Huerta Kine Dyrberg Tim Hofer Kirsten Eline Rakkestad Gunn Østby Ruth Halsne Gudrun Boge Ragnhild Elisabeth Paulsen Oddvar Myhre Erik Ropstad

Environ Int 2021 Jan 11;146:106240. Epub 2020 Nov 11.

Department of Production Animal Clinical Sciences, NMBU-School of Veterinary Science, P.O. Box 369 sentrum, N-0102 Oslo, Norway. Electronic address:

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January 2021

Perfluoroalkyl acids potentiate glutamate excitotoxicity in rat cerebellar granule neurons.

Authors:
Hanne Friis Berntsen Angel Moldes-Anaya Cesilie Granum Bjørklund Lorenzo Ragazzi Trude Marie Haug Rønnaug A U Strandabø Steven Verhaegen Ragnhild Elisabeth Paulsen Erik Ropstad R Andrew Tasker

Toxicology 2020 12 4;445:152610. Epub 2020 Oct 4.

Department of Biomedical Sciences, University of Prince Edward Island, Charlottetown, PEI, Canada; Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.

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December 2020

Corrigendum to "Calcium signaling as a possible mechanism behind increased locomotor response in zebrafish larvae exposed to a human relevant persistent organic pollutant mixture or PFOS" [Environmental Research volume 187 (2020) article number 109702].

Authors:
Maria Christou Thomas W K Fraser Vidar Berg Erik Ropstad Jorke H Kamstra

Environ Res 2020 Sep 8;188:109783. Epub 2020 Jul 8.

Faculty of Veterinary Medicine, Institute for Risk Assessment Sciences, Utrecht University, 3584, CM Utrecht, the Netherlands.

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September 2020

Calcium signaling as a possible mechanism behind increased locomotor response in zebrafish larvae exposed to a human relevant persistent organic pollutant mixture or PFOS.

Authors:
Maria Christou Thomas W K Fraser Vidar Berg Erik Ropstad Jorke H Kamstra

Environ Res 2020 08 20;187:109702. Epub 2020 May 20.

Faculty of Veterinary Medicine, Institute for Risk Assessment Sciences, Utrecht University, 3584, CM Utrecht, the Netherlands.

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August 2020

Maternal exposure to a human relevant mixture of persistent organic pollutants reduces colorectal carcinogenesis in A/J Min/+ mice.

Authors:
Silje M Johanson Jonathan R Swann Özgün C O Umu Mona Aleksandersen Mette H B Müller Hanne F Berntsen Karin E Zimmer Gunn C Østby Jan E Paulsen Erik Ropstad

Chemosphere 2020 Aug 13;252:126484. Epub 2020 Mar 13.

Department of Production Animal Clinical Sciences, Norwegian University of Life Sciences, P.O. Box 369 Sentrum, NO-0102, Oslo, Norway. Electronic address:

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August 2020

Ovarian follicular response to oestrous synchronisation and induction of ovulation in Norwegian Red cattle.

Authors:
Halldor Felde Berg Bjørg Heringstad Anne Hege Alm-Kristiansen Vilde Granne Kvale Knut Ingolf Dragset Andres Waldmann Erik Ropstad Elisabeth Kommisrud

Acta Vet Scand 2020 Mar 12;62(1):16. Epub 2020 Mar 12.

SpermVital AS, Holsetgata 22, 2317, Hamar, Norway.

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March 2020

Studies of gel with immobilized semen by intrauterine endoscopy post-artificial insemination.

Authors:
Halldor Felde Berg Heidi Cecilie Larsen Spång Bjørg Heringstad Erik Ropstad Anne Hege Alm-Kristiansen Elisabeth Kommisrud

Reprod Domest Anim 2020 Mar 23;55(3):401-404. Epub 2020 Jan 23.

SpermVital AS, Hamar, Norway.

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March 2020

DMSO effects larval zebrafish (Danio rerio) behavior, with additive and interaction effects when combined with positive controls.

Authors:
Maria Christou Arturas Kavaliauskis Erik Ropstad Thomas William Kenneth Fraser

Sci Total Environ 2020 Mar 19;709:134490. Epub 2019 Dec 19.

Norwegian University of Life Sciences, Department of Production Animal Clinical Sciences, Oslo, Norway. Electronic address:

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March 2020

Silver spoon effects are constrained under extreme adult environmental conditions.

Authors:
Gabriel Pigeon Leif Egil Loe Richard Bischof Christophe Bonenfant Mads Forchhammer R Justin Irvine Erik Ropstad Audun Stien Vebjørn Veiberg Steve Albon

Ecology 2019 12 1;100(12):e02886. Epub 2019 Oct 1.

The James Hutton Institute, Craigiebuckler, Aberdeen, AB15 8QH, UK.

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December 2019

A Human Relevant Defined Mixture of Persistent Organic Pollutants (POPs) Affects In Vitro Secretion of Glucagon-Like Peptide 1 (GLP-1), but Does Not Affect Translocation of Its Receptor.

Authors:
Maeve Shannon Yuling Xie Steven Verhaegen Jodie Wilson Hanne F Berntsen Karin E Zimmer Erik Ropstad Brian D Green Lisa Connolly

Toxicol Sci 2019 12;172(2):359-367

Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast, BT9 5DL, Northern Ireland, UK.

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December 2019

Cortisol differentially affects cell viability and reproduction-related gene expression in Atlantic cod pituitary cultures dependent on stage of sexual maturation.

Authors:
Kristine von Krogh Gunnveig Toft Bjørndal Rasoul Nourizadeh-Lillabadi Erik Ropstad Trude M Haug Finn-Arne Weltzien

Comp Biochem Physiol A Mol Integr Physiol 2019 10 27;236:110517. Epub 2019 Jun 27.

Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Basic Science and Aquatic Medicine, Oslo, Norway. Electronic address:

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October 2019

More frequent extreme climate events stabilize reindeer population dynamics.

Authors:
Brage B Hansen Marlène Gamelon Steve D Albon Aline M Lee Audun Stien R Justin Irvine Bernt-Erik Sæther Leif E Loe Erik Ropstad Vebjørn Veiberg Vidar Grøtan

Nat Commun 2019 04 8;10(1):1616. Epub 2019 Apr 8.

Centre for Biodiversity Dynamics, Department of Biology, Norwegian University of Science and Technology, NO-7491, Trondheim, Norway.

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April 2019

Antler growth as a cost of reproduction in female reindeer.

Authors:
Leif Egil Loe Gabriel Pigeon Steve D Albon Pernille E Giske R Justin Irvine Erik Ropstad Audun Stien Vebjørn Veiberg Atle Mysterud

Oecologia 2019 Mar 6;189(3):601-609. Epub 2019 Feb 6.

Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences, University of Oslo, Blindern, 0316, Oslo, Norway.

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March 2019

Effects of defined mixtures of POPs and endocrine disruptors on the steroid metabolome of the human H295R adrenocortical cell line.

Authors:
Kareem Eldin Mohammed Ahmed Håvard G Frøysa Odd André Karlsen Nello Blaser Karin Elisabeth Zimmer Hanne Friis Berntsen Steven Verhaegen Erik Ropstad Ralf Kellmann Anders Goksøyr

Chemosphere 2019 Mar 12;218:328-339. Epub 2018 Nov 12.

Department of Biological Sciences, University of Bergen, P.O. Box 7803, N-5020 Bergen, Norway. Electronic address:

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March 2019

Biased estimation of trends in cohort effects: the problems with age-period-cohort models in ecology.

Authors:
Gabriel Pigeon Leif Egil Loe Steve D Albon Christophe Bonenfant David A Elston R Justin Irvine Erik Ropstad Vebjørn Veiberg Audun Stien

Ecology 2018 12 28;99(12):2675-2680. Epub 2018 Nov 28.

Department for Arctic Ecology, Norwegian Institute for Nature Research, Fram Centre, Tromsø, NO-9296, Norway.

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December 2018