Publications by authors named "Stefania Bjarnarson"

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Dose-sparing effects of novel adjuvants and aluminum hydroxide on two different vaccines in a neonatal mouse model.
Jenny Lorena Molina Estupiñan, Poorya Foroutan Pajoohian, Gabriel Kristian Pedersen, Dennis Christensen, Serena Marchi, Stefanía P Bjarnarson

Front Immunol· August 2025

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Distinct humoral responses induced by heterologous versus homologous prime-boost immunization strategies in early life.
Poorya Foroutan Pajoohian, Audur Anna Aradottir Pind, Jenny Lorena Molina Estupiñan, Dennis Christensen, Gabriel Kristian Pedersen, Stefania P Bjarnarson

Front Immunol· August 2025

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The adjuvants dmLT and mmCT enhance humoral immune responses to a pneumococcal conjugate vaccine after both parenteral or mucosal immunization of neonatal mice.
Jenny Lorena Molina Estupiñan, Audur Anna Aradottir Pind, Poorya Foroutan Pajoohian, Ingileif Jonsdottir, Stefania P Bjarnarson

Front Immunol· February 2023

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The role of antigen availability during B cell induction and its effect on sustained memory and antibody production after infection and vaccination-lessons learned from the SARS-CoV-2 pandemic.
Stefania P Bjarnarson, Siggeir F Brynjolfsson

Clin Exp Immunol· December 2022

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A comparative study of adjuvants effects on neonatal plasma cell survival niche in bone marrow and persistence of humoral immune responses.
Audur Anna Aradottir Pind, Sigrun Thorsdottir, Gudbjorg Julia Magnusdottir, Andreas Meinke, Giuseppe Del Giudice, Stefania P Bjarnarson

Front Immunol· August 2022

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LT-K63 Enhances B Cell Activation and Survival Factors in Neonatal Mice That Translates Into Long-Lived Humoral Immunity.
Audur Anna Aradottir Pind, Jenny Lorena Molina Estupiñan, Gudbjorg Julia Magnusdottir, Giuseppe Del Giudice, Ingileif Jonsdottir, Stefania P Bjarnarson

Front Immunol· April 2021

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Adjuvants Enhance the Induction of Germinal Center and Antibody Secreting Cells in Spleen and Their Persistence in Bone Marrow of Neonatal Mice.
Audur Anna Aradottir Pind, Magdalena Dubik, Sigrun Thorsdottir, Andreas Meinke, Ali M Harandi, Stefania P Bjarnarson

Front Immunol· November 2020

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Short Vi-polysaccharide abrogates T-independent immune response and hyporesponsiveness elicited by long Vi-CRM conjugate vaccine.
Francesca Micoli, Stefania P Bjarnarson, Melissa Arcuri, Audur Anna Aradottir Pind, Gudbjorg J Magnusdottir

Proc Natl Acad Sci U S A· September 2020

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Natural killer cells play an essential role in resolution of antigen-induced inflammation in mice.
Osk U U Anuforo, Stefania P Bjarnarson, Hulda S Jonasdottir, Martin Giera, Ingibjorg Hardardottir

Mol Immunol· January 2018

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Pneumococcal polysaccharide abrogates conjugate-induced germinal center reaction and depletes antibody secreting cell pool, causing hyporesponsiveness.
Stefania P Bjarnarson, Hreinn Benonisson, Giuseppe Del Giudice, Ingileif Jonsdottir

PLoS One· April 2014

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The adjuvant LT-K63 can restore delayed maturation of follicular dendritic cells and poor persistence of both protein- and polysaccharide-specific antibody-secreting cells in neonatal mice.
Stefania P Bjarnarson, Brenda C Adarna, Hreinn Benonisson, Giuseppe Del Giudice, Ingileif Jonsdottir

J Immunol· August 2012

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Hyporesponsiveness following booster immunization with bacterial polysaccharides is caused by apoptosis of memory B cells.
Siggeir F Brynjolfsson, Maren Henneken, Stefania P Bjarnarson, Elena Mori, Giuseppe Del Giudice

J Infect Dis· February 2012

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Competition for FcRn-mediated transport gives rise to short half-life of human IgG3 and offers therapeutic potential.
Nigel M Stapleton, Jan Terje Andersen, Annette M Stemerding, Stefania P Bjarnarson, Ruurd C Verheul

Nat Commun· December 2011

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Concomitant administration of Mycobacterium bovis BCG with the meningococcal C conjugate vaccine to neonatal mice enhances antibody response and protective efficacy.
Siggeir F Brynjolfsson, Stefania P Bjarnarson, Elena Mori, Giuseppe Del Giudice, Ingileif Jonsdottir

Clin Vaccine Immunol· November 2011

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Clara cell protein 16 (CC16) serum levels in infants during respiratory syncytial virus infection.
Sofi Johansson, Sigurdur Kristjánsson, Stefania P Bjarnarson, Göran Wennergren, Anna Rudin

Acta Paediatr· March 2009

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Neonatal immune response and serum bactericidal activity induced by a meningococcal conjugate vaccine is enhanced by LT-K63 and CpG2006.
Siggeir F Brynjolfsson, Stefania P Bjarnarson, Elena Mori, Giuseppe Del Giudice, Ingileif Jonsdottir

Vaccine· August 2008

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Early life T cell responses to pneumococcal conjugates increase with age and determine the polysaccharide-specific antibody response and protective efficacy.
Håvard Jakobsen, Solveig Hannesdottir, Stefania P Bjarnarson, Dominique Schulz, Emanuelle Trannoy

Eur J Immunol· February 2006

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Respiratory syncytial virus and other respiratory viruses during the first 3 months of life promote a local TH2-like response.
Sigurdur Kristjansson, Stefania P Bjarnarson, Göran Wennergren, Aslaug H Palsdottir, Thorgerdur Arnadottir

J Allergy Clin Immunol· October 2005

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The advantage of mucosal immunization for polysaccharide-specific memory responses in early life.
Stefania P Bjarnarson, Håvard Jakobsen, Giuseppe Del Giudice, Emanuelle Trannoy, Claire-Anne Siegrist

Eur J Immunol· April 2005

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Intranasal immunization with pneumococcal conjugate vaccines with LT-K63, a nontoxic mutant of heat-Labile enterotoxin, as adjuvant rapidly induces protective immunity against lethal pneumococcal infections in neonatal mice.
Håvard Jakobsen, Stefania Bjarnarson, Giuseppe Del Giudice, Monique Moreau, Claire-Anne Siegrist

Infect Immun· March 2002

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