Doktorgradsavhandling

• Giil Lasse Melvær; Jan Erik Nordrehaug; Dag Aarsland et al. (2019). Antibodies to Signaling Molecules and Receptors in Alzheimer’s Disease. (ekstern lenke)
• Andrea Gras Navarro; Martha Chekenya Enger; Einar Klæboe Kristoffersen (2019). Towards Natural Killer cellular Immunotherapy for glioblastoma. KIR-HLA ligand interaction and proteasome inhibitors to potentiate efficacy. (ekstern lenke)
• Heidi-Ann Doughty; Tor Hervig; Einar Klæboe Kristoffersen (2018). Recent developments in military transfusion practice and their impact on civilian healthcare. (ekstern lenke)
• Elena Danilova; Haakon Sjursen; Einar Klæboe Kristoffersen (2007). Immune response to diphtheria and tetanus toxoids : maintaining protection. (ekstern lenke)
• Einar Klæboe Kristoffersen (1996). Human placental Fc_g-binding proteins in the maternofetal transfer of IgG. (ekstern lenke)

Fagartikkel

• Torunn Oveland Apelseth; Geir Strandenes; Einar Klæboe Kristoffersen et al. (2020). How do I implement a whole blood–based blood preparedness program in a small rural hospital?. (ekstern lenke)

Fremhevet artikkel i media

• Michael Hahn; Maria Elena Huanca Condori; Atle Totland et al. (2020). Pasient med alvorlig covid-19 behandlet med rekonvalesensplasma. (ekstern lenke)
• Å. Aarli; Einar Klæboe Kristoffersen; T. Skeie Jensen et al. (1997). Presence of an immunosuppressive factor in human pregnancy serum. (ekstern lenke)
• L. Bjørge; T. Skeie Jensen; Christian A. Vedeler et al. (1993). Soluble CD59 in pregnancy and infancy. (ekstern lenke)

Konferanseabstrakt

• Tor Magne Madland; Alf Inge Larsen; Einar Klæboe Kristoffersen et al. (2006). Calprotectin and S100A12 correlate with disease activity in rheumatoid arthritis, and S100A12 is associated with concomitant cardiovascular disease. (ekstern lenke)

Konferanseforedrag

• Liv Cecilie Vestrheim Thomsen; Alfred Honore; Lars Anders Rokne Reisæter et al. (2023). Survival and biomarkers in a prospective non-randomized phase I trial of dendritic cell-based cryoimmunotherapy combined with checkpoint inhibitors in metastatic castration-resistant prostate cancer (mCRPC). (ekstern lenke)
• Paul Johan Høl; Einar Klæboe Kristoffersen; Hilde Kristin Vindenes et al. (2018). Novel titanium antigens and assessment of immune activation. (ekstern lenke)

Konferanseposter

• Liv Cecilie Vestrheim Thomsen; Alfred Honore; Lars Anders Rokne Reisæter et al. (2023). Survival and biomarkers in a prospective non-randomized phase I trial of dendritic cell-based cryoimmunotherapy combined with checkpoint inhibitors in metastatic castration-resistant prostate cancer (mCRPC). (ekstern lenke)
• Amanda Pellowe; Nils Roar Gjerdet; Einar Klæboe Kristoffersen et al. (2015). Novel titanium antigens cause lymphocyte proliferation and activation of monocyte/macrophage type cytokines. (ekstern lenke)
• Fredrik Romi; Einar Klæboe Kristoffersen; Nils Erik Gilhus et al. (2004). The in vivo role of complement activation in myasthenia gravis. (ekstern lenke)

Lederartikkel

• Dragoslav Domanović; Marc Turner; Christof Jungbauer et al. (2025). ATMPs prepared under hospital exemption: European Blood Alliance position paper. (ekstern lenke)

Populærvitenskapelig artikkel

• Elling Ulvestad; Einar Klæboe Kristoffersen (2012). Livsviktige vaksiner. (ekstern lenke)

Vitenskapelig artikkel

• Vanessa Agostini; Reinhard Henschler; Turid Helen Felli Lunde et al. (2025). A validation study of the in vitro performance of hypoxic red blood cells for transfusion across centers in Europe. (ekstern lenke)
• Sonia Gavasso; Jonas Bull Haugsøen; Dimitrios Kleftogiannis et al. (2025). High-dimensional Immune Profiling Following Autologous Hematopoietic Stem Cell Transplantation in Relapsing-Remitting Multiple Sclerosis. (ekstern lenke)
• Anne Kari Smedås; Lovise Gangeskar Paris; Niyaz Abdulbaqi Abdulmajid Anam et al. (2025). Secretomes of Gingival Fibroblasts From Periodontally Diseased Tissues: A Proteomic Analysis. (ekstern lenke)
• Siddharth Shanbhag; Niyaz Abdulbaqi Abdulmajid Al-Sharabi; Katarina Fritz-Wallace et al. (2024). Proteomic Analysis of Human Serum Proteins Adsorbed onto Collagen Barrier Membranes. (ekstern lenke)
• Christopher Elnan Kvistad; Anne Kristine Lehmann; Silje Agnethe Stokke et al. (2024). Autologous hematopoietic stem cell transplantation for multiple sclerosis: Long-term follow-up data from Norway. (ekstern lenke)
• Siddharth Shanbhag; Carina Kampleitner; Niyaz Abdulbaqi Abdulmajid Al-Sharabi et al. (2023). Functionalizing Collagen Membranes with MSC-Conditioned Media Promotes Guided Bone Regeneration in Rat Calvarial Defects. (ekstern lenke)
• Niyaz Abdulbaqi Abdulmajid Al-Sharabi; Reinhard Gruber; Mariano Sanz et al. (2023). Proteomic Analysis of Mesenchymal Stromal Cells Secretome in Comparison to Leukocyte- and Platelet-Rich Fibrin. (ekstern lenke)
• Torunn Oveland Apelseth; Einar Klæboe Kristoffersen; Geir Strandenes et al. (2023). Training of medical students in the use of emergency whole blood collection and transfusion in the framework of a civilian walking blood. (ekstern lenke)
• Siddharth Shanbhag; Niyaz Abdulbaqi Abdulmajid Al-Sharabi; Carina Kampleitner et al. (2023). The use of mesenchymal stromal cell secretome to enhance guided bone regeneration in comparison with leukocyte and platelet-rich fibrin. (ekstern lenke)
• Liv Cecilie Vestrheim Thomsen; Alfred Honore; Lars Anders Rokne Reisæter et al. (2023). A phase I prospective, non-randomized trial of autologous dendritic cell-based cryoimmunotherapy in patients with metastatic castration-resistant prostate cancer. (ekstern lenke)
• Lise Sofie Haug Nissen-Meyer; Magnhild Eide Macpherson; Linda Gail Skeie et al. (2023). Covid-19-pasienter behandlet med rekonvalesensplasma. (ekstern lenke)
• Lise Sofie Haug Nissen-Meyer; Christine Torsvik Steinsvåg; Mona H. Fenstad et al. (2023). Rekonvalesensplasma mot covid-19 fremstilt fra norske blodgivere. (ekstern lenke)
• Hanne Braathen; Turid Helen Felli Lunde; Jörg Assmus et al. (2023). In vitro quality of cold and delayed cold-stored platelet concentrates from interim platelet units during storage for 21 days. (ekstern lenke)
• Joar Sivertsen; Tor Audun Hervig; Geir Strandenes et al. (2022). In vitro quality and hemostatic function of cold-stored CPDA-1 whole blood after repeated transient exposure to 28°C storage temperature. (ekstern lenke)
• Hanne Braathen; Kristin Gjerde Hagen; Einar Klæboe Kristoffersen et al. (2022). Implementation of a dual platelet inventory in a tertiary hospital during the COVID-19 pandemic enabling cold-stored apheresis platelets for treatment of actively bleeding patients. (ekstern lenke)
• Geir Arne Sunde; Christopher Kalhagen Bjerkvig; Marit Bekkevold et al. (2022). Implementation of a low-titre whole blood transfusion program in a civilian helicopter emergency medical service. (ekstern lenke)
• Siddharth Shanbhag; Niyaz Abdulbaqi Abdulmajid Al-Sharabi; Samih Salah Eldin Mahgoub Mohamed-Ahmed et al. (2022). Brief communication: Effects of conditioned media from human platelet lysate cultured MSC on osteogenic cell differentiation in vitro. (ekstern lenke)
• Kristin Gjerde Hagen; Geir Strandenes; Einar Klæboe Kristoffersen et al. (2021). A whole blood based resuscitation strategy in civilian medical services: Experience from a Norwegian hospital in the period 2017–2020. (ekstern lenke)
• Geir Strandenes; Joar Sivertsen; Christopher Kalhagen Bjerkvig et al. (2020). A pilot trial of platelets stored cold versus at room temperature for complex cardiothoracic surgery. (ekstern lenke)
• Maria Averina; Tor Hervig; Sandra Huber et al. (2020). Environmental pollutants in blood donors: The multicentre Norwegian donor study. (ekstern lenke)
• Christopher Kalhagen Bjerkvig; Joar Sivertsen; Turid Helen Felli Lunde et al. (2020). Cold-stored whole blood in a Norwegian emergency helicopter service: an observational study on storage conditions and product quality. (ekstern lenke)
• Joar Sivertsen; Turid Helen Felli Lunde; Hanne Braathen et al. (2020). Cold-stored leukoreduced CPDA-1 whole blood: in vitro quality and hemostatic properties. (ekstern lenke)
• Andrea Gras Navarro; Heidi Espedal; Justin Vareecal Joseph et al. (2019). Pretreatment of glioblastoma with bortezomib potentiates natural killer cell cytotoxicity through TRAIL/DR5 mediated apoptosis and prolongs animal survival. (ekstern lenke)
• Silje Katrine Helland Kaada; Torunn Oveland Apelseth; Kristin Gjerde Hagen et al. (2019). How do I get an emergency civilian walking blood bank running?. (ekstern lenke)
• Silje Agnethe Stokke; Anne Kristine Lehmann; Linn Trovik et al. (2019). Safety and efficacy of autologous hematopoietic stem cell transplantation for multiple sclerosis in Norway. (ekstern lenke)
• Hanne Sofie Schrøder Bråthen; Joar Sivertsen; Turid Helen Felli Lunde et al. (2019). In vitro quality and platelet function of cold and delayed cold storage of apheresis platelet concentrates in platelet additive solution for 21 days. (ekstern lenke)
• Guro Kristin Melve; Elisabeth Ersvær; Geir Egil Eide et al. (2018). Peripheral blood stem cell mobilization in healthy Donors by granulocyte colony-stimulating factor causes preferential mobilization of lymphocyte subsets. (ekstern lenke)
• Giil Lasse Melvær; Dag Aarsland; Kristoffer Herland Hellton et al. (2018). Antibodies to multiple receptors are associated with neuropsychiatric symptoms and mortality in Alzheimer's disease: A longitudinal study. (ekstern lenke)
• Paul Johan Høl; Einar Klæboe Kristoffersen; Nils Roar Gjerdet et al. (2018). Novel nanoparticulate and ionic titanium antigens for hypersensitivity testing. (ekstern lenke)
• Guro Kristin Melve; Elisabeth Ersvær; Kristin Paulsen Rye et al. (2018). The healthy donor profile of immunoregulatory soluble mediators is altered by stem cell mobilization and apheresis. (ekstern lenke)
• Joar Sivertsen; Hanne Braathen; Turid Helen Felli Lunde et al. (2018). Preparation of leukoreduced whole blood for transfusion in austere environments; effects of forced filtration, storage agitation, and high temperatures on hemostatic function. (ekstern lenke)
• Petra Vogelsang; Giil Lasse Melvær; Anders Lund et al. (2018). Reduced glucose transporter-1 in brain derived circulating endothelial cells in mild Alzheimer's disease patients. (ekstern lenke)
• Kurt Hanevik; Einar Klæboe Kristoffersen; Kristine Mørch et al. (2017). Giardia-specific cellular immune responses in post-giardiasis chronic fatigue syndrome. (ekstern lenke)
• Marzieh Bahador; Andrea Gras Navarro; Mohummad Aminur Rahman et al. (2017). Increased infiltration and tolerised antigen-specific CD8+ TEM cells in tumor but not peripheral blood have no impact on survival of HCMV+ glioblastoma patients. (ekstern lenke)
• Giil Lasse Melvær; Christian A. Vedeler; Einar Klæboe Kristoffersen et al. (2017). Antibodies to signaling molecules and receptors in Alzheimer's disease are associated with psychomotor slowing, depression, and poor visuospatial function. (ekstern lenke)
• Mev Dominguez Valentin; Andrea Gras Navarro; Mohummad Aminur Rahman et al. (2016). Identification of a natural killer cell receptor allele that prolongs survival of cytomegalovirus-positive glioblastoma patients. (ekstern lenke)
• Guro Kristin Melve; Elisabeth Ersvær; Cigdem Ahaein Akkøk et al. (2016). Immunomodulation induced by stem cell mobilization and harvesting in healthy donors: Increased systemic osteopontin levels after treatment with granulocyte colony-stimulating factor. (ekstern lenke)
• Sigrid Lunde; Einar Klæboe Kristoffersen; Dipak Sapkota et al. (2016). Serum BAFF and APRIL levels, T-lymphocyte subsets, and immunoglobulins after B-cell depletion using the monoclonal anti-CD20 antibody rituximab in myalgic encephalopathy/chronic fatigue syndrome. (ekstern lenke)
• Torunn Oveland Apelseth; Venny Lise Kvalheim; Einar Klæboe Kristoffersen (2016). Detection of specific immunoglobulin e antibodies toward common airborne allergens, peanut, wheat, and latex in solvent/detergent-treated pooled plasma. (ekstern lenke)
• Jostein Andersen Førsvoll; Emilius Adrianus Maria Janssen; Ingegerd Møller et al. (2015). Reduced number of CD8+ cells in tonsillar germinal centres in children with the periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis syndrome. (ekstern lenke)
• Kristine Mørch; Gunhild Holmaas; PS frolander et al. (2015). Severe human Babesia divergens infection in Norway. (ekstern lenke)
• Geir Arne Sunde; Bjarne H Vikenes; Geir Strandenes et al. (2015). Freeze dried plasma and fresh red blood cells for civilian prehospital hemorrhagic shock resuscitation. (ekstern lenke)
• Lasse Melvær Giil; Einar Klæboe Kristoffersen; Christian A. Vedeler et al. (2015). Autoantibodies toward the angiotensin 2 type 1 receptor: a novel autoantibody in Alzheimer's Disease. (ekstern lenke)
• Øystein Fluge; Kristin Risa; Sigrid Lunde et al. (2015). B-lymphocyte depletion in myalgic encephalopathy/chronic fatigue syndrome. An open-label phase II study with rituximab maintenance treatment. (ekstern lenke)
• Geir Strandenes; Ivar Austlid; Torunn Oveland Apelseth et al. (2015). Coagulation function of stored whole blood is preserved for 14 days in austere conditions: A ROTEM feasibility study during a Norwegian antipiracy mission and comparison to equal ratio reconstituted blood. (ekstern lenke)
• Geir Strandenes; Olle Berseus; Andrew P. Cap et al. (2014). Low titer group o whole blood in emergency situations. (ekstern lenke)
• Geir Strandenes; Marc De Pasquale; Andrew P. Cap et al. (2014). Emergency whole-blood use in the field: A simplified protocol for collection and transfusion. (ekstern lenke)
• Øystein Bruserud; Knut Liseth; Siren Stamnesfet et al. (2013). Hyperleukocytosis and leukocytapheresis in acute leukaemias: experience from a single centre and review of the literature of leukocytapheresis in acute myeloid leukaemia. (ekstern lenke)
• Jostein Andersen Førsvoll; Einar Klæboe Kristoffersen; Knut Øymar (2013). Elevated levels of CXCL10 in the Periodic Fever, Aphthous stomatitis, Pharyngitis and cervical Adenitis syndrome (PFAPA) during and between febrile episodes; an indication of a persistent activation of the innate immune system. (ekstern lenke)
• Jostein Andersen Førsvoll; Einar Klæboe Kristoffersen; Knut Øymar (2013). Incidence, clinical characteristics and outcome in Norwegian children with periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis syndrome; a population-based study. (ekstern lenke)
• Kurt Hanevik; Einar Klæboe Kristoffersen; Steinar Sørnes et al. (2012). Immunophenotyping in post-giardiasis functional gastrointestinal disease and chronic fatigue syndrome. (ekstern lenke)
• Øystein Fluge; Ove Bruland; Kristin Risa et al. (2011). Benefit from B-lymphocyte depletion using the anti-CD20 antibody rituximab in chronic fatigue syndrome. A double-blind and placebo-controlled study. (ekstern lenke)
• Gabriel Pedersen; Alfred Halstensen; Haakon Sjursen et al. (2011). Pandemic influenza vaccination of hypogammaglobulinemic patients induces normal or elevated influenza-specific CD4+Th1-cell responses. (ekstern lenke)
• Kurt Hanevik; Einar Klæboe Kristoffersen; Staffan Svard et al. (2011). Human cellular immune response against giardia lamblia 5 years after acute giardiasis. (ekstern lenke)
• Gabriel Pedersen; Alfred Halstensen; Haakon Sjursen et al. (2011). Pandemic Influenza Vaccination Elicits Influenza-Specific CD4(+) Th1-cell Responses in Hypogammaglobulinaemic Patients: Four case reports. (ekstern lenke)
• Astrid Marta Olsnes; Elisabeth Ersvær; Anita Ryningen et al. (2009). The protein kinase C agonist PEP005 increases NF-kB expression, induces differentiation and increases constitutive chemokine release by primary acute myeloid leukaemia cells. (ekstern lenke)
• Knut Øymar; Einar Klæboe Kristoffersen (2007). Periodisk feber-syndrom hos barn. (ekstern lenke)
• Annette Larsen; Igor B. Bronstein; Olav Dahl et al. (2007). Quantification of S100A12 (EN-RAGE) in blood varies with sampling method, calcium and heparin. (ekstern lenke)
• Elena Danilova; Alexei Shiryayev; Einar Klæboe Kristoffersen et al. (2006). Seroprotection against diphtheria and tetanus among Russian and Norwegian teenagers. (ekstern lenke)
• Einar Klæboe Kristoffersen; Kjell Haram; Britt Edvardsen et al. (2006). Placental expression of glycophosphatidylinositol (GPI)-anchored proteins in paroxysmal nocturnal haemoglobinuria. (ekstern lenke)
• Fredrik Romi; Einar Klæboe Kristoffersen; Johan Arild Aarli et al. (2005). The role of complement in myasthenia gravis; serological evidence of complement consumption in vivo. (ekstern lenke)
• Elena Danilova; Alexei Shiryayev; Vegard Skogen et al. (2005). Short-term booster effect of diphtheria toxoid in initially long-term protected individuals. (ekstern lenke)
• Elena Danilova; Alexei Shiryayev; Einar Klæboe Kristoffersen et al. (2005). Attenuated immune response to tetanus toxoid in young healthy men protected against tetanus. (ekstern lenke)
• Carl-Fredrik Bassøe; Trygve Hausken; Leif Bostad et al. (2004). Co-occurrence of Epstein-Barr virus infection and ascites in sarcoidosis. (ekstern lenke)
• Jenny Foss Abrahamsen; Einar Klæboe Kristoffersen; Tor Hervig et al. (2000). Høydosebehandling med autolog stamcellestøtte hos kreftpasienter. (ekstern lenke)
• Å. Aarli; Einar Klæboe Kristoffersen; T. Skeie Jensen et al. (1997). Suppressive effect on lymphoproliferation in vitro by soluble annexin II released from isolated placental membranes. (ekstern lenke)
• L. Bjørge; S. Junnikkala; Einar Klæboe Kristoffersen et al. (1997). Resistance of ovarian teratocarcinoma cell spheroids to complement-mediated lysis. (ekstern lenke)
• L. Bjørge; T. Skeie Jensen; Einar Klæboe Kristoffersen et al. (1996). Identification of the Complement Regulatory Protein CD59 in Human Colostrum and Milk. (ekstern lenke)
• Gisle Fosse; GBR Wesenberg; HM Tvinnereim et al. (1995). Lead in deciduous teeth from larger cities of some countries. (ekstern lenke)
• Gisle Fosse; GBR Wesenberg; HM Tvinnereim et al. (1995). Lead in deciduous teeth from larger cities of some countries. (ekstern lenke)
• Einar Klæboe Kristoffersen; Roald Matre; E. Ulvestad et al. (1994). A dot-immunobinding for the demonstration of soluble Fc_g receptors. (ekstern lenke)
• Einar Klæboe Kristoffersen; E. Ulvestad; L. Bjørge et al. (1994). Fc_g-receptor activity of placental annexin II. (ekstern lenke)
• E. Ulvestad; Einar Klæboe Kristoffersen; T. Skeie Jensen et al. (1994). Identification of a soluble Fc_c-binding molecule (annexin II) in human serum using a competitive ELISA. (ekstern lenke)
• Einar Klæboe Kristoffersen; E. Ulvestad (1994). Nitric oxide synthase in human placenta. (ekstern lenke)
• Einar Klæboe Kristoffersen; Roald Matre; E. Ulvestad et al. (1994). A dot-immunobinding assay for the demonstration of soluble Fc_g-receptors. (ekstern lenke)
• L. Bjørge; T. S. Jensen; Christian A. Vedeler et al. (1993). Soluble CD59 in pregnancy and infancy. (ekstern lenke)
• Christian A. Vedeler; Roald Matre; Einar Klæboe Kristoffersen et al. (1991). IgG Fc receptor heterogeneity in human peripheral nerves. (ekstern lenke)
• Christian A. Vedeler; Roald Matre; Einar Klæboe Kristoffersen et al. (1991). IgG Fc receptor heterogeneity in human peripheral nerves. (ekstern lenke)

Vitenskapelig bokkapittel

• Einar Klæboe Kristoffersen; Line Bjørge (2007). Immunologi og reproduksjon. (ekstern lenke)

Vitenskapelig litteraturgjennomgang

• Øyvind Bruserud; Knut Anders Mosevoll; Einar Klæboe Kristoffersen et al. (2021). Thrombocytopaenia in the critically ill. (ekstern lenke)
• Øyvind Bruserud; Knut Anders Mosevoll; Einar Klæboe Kristoffersen et al. (2021). Trombocytopeni hos kritisk syke pasienter. (ekstern lenke)
• Jostein Andersen Førsvoll; Einar Klæboe Kristoffersen; Knut Øymar (2019). The immunology of the periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis syndrome; what can the tonsils reveal. A literature review.. (ekstern lenke)
• Einar Klæboe Kristoffersen; Torunn Oveland Apelseth (2019). Platelet functionality in cold-stored whole blood. (ekstern lenke)
• Heidi A. Doughty; Simon Glasgow; Einar Klæboe Kristoffersen (2016). Mass casualty events: Blood transfusion emergency preparedness across the continuum of care. (ekstern lenke)
• Håkon Reikvam; Unni Sandaker Blom; Einar Klæboe Kristoffersen et al. (2009). Granulocyttransfusjon. (ekstern lenke)

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