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Ilkka Julkunen

medicine

80H-index
308Paper Count
2.0WCitation Count
Published Papers 140
Publication Date
Nucleocapsid protein enhances spike- and RBD-specific humoral and cellular immune responses in protein-based SARS-CoV-2 vaccine
err2026-01-29
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errStina Gröhn; Heini Lehto; Saana Soppela; Rauno A. Naves; Mikael A. Ritvos; Alina Iakubovskaia; Vili Lampinen; Iiris Mustonen; Sanniina Pakkala; Elizaveta Husu; Laura Kakkola; Ilkka Julkunen; Pekka Kolehmainen; Arja Pasternack; Olli Ritvos; Minna M. Hankaniemi
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Glucose Metabolism and Innate Immune Responses in Influenza Virus Infection: Mechanistic Insights and Clinical Perspectives
err2025-12-26
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errKareem Awad; Nancy N. Shahin; Tarek K. Motawi; Maha Abdelhadi; Reham F. Barghash; Ahmed M. Awad; Laura Kakkola; Ilkka Julkunen
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Corrigendum to “Long-term neutralization capacity of vaccine and breakthrough infection induced SARS-CoV-2 specific antibodies against omicron subvariants BA.2, XBB.1.5, and JN.1” [Vaccine 68 (2025) 127894]
errVaccine
IF3.5
err2025-11-07
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errArttu Reinholm; Hira Khan; Terhi Laakso; Sari Maljanen; Pinja Jalkanen; Marianne Gunell; Teemu Kallonen; Pamela Österlund; Olli Ritvos; Arttu Nousiainen; Hanni K. Häkkinen; Sari H. Pakkanen; Hanna Välimaa; Anu Kantele; Johanna Lempainen; Ilkka Julkunen; Pekka Kolehmainen; Laura Kakkola
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Long-term neutralization capacity of vaccine and breakthrough infection induced SARS-CoV-2 specific antibodies against omicron subvariants BA.2, XBB.1.5, and JN.1
errVaccine
IF3.5
err2025-10-28
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errArttu Reinholm; Hira Khan; Terhi Laakso; Sari Maljanen; Pinja Jalkanen; Marianne Gunell; Teemu Kallonen; Pamela Österlund; Olli Ritvos; Arttu Nousiainen; Hanni K. Häkkinen; Sari H. Pakkanen; Hanna Välimaa; Anu Kantele; Johanna Lempainen; Ilkka Julkunen; Pekka Kolehmainen; Laura Kakkola
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HCoV-229E does not trigger early interferon gene expression and evades IFN signaling in human A549 lung epithelial cells
err2025-10-01
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PREAI
errLundberg, Rickard; Jartti, Anna; Heroum, Jemna; Kakkola, Laura; Julkunen, Ilkka
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Post-COVID-19 condition in prospective inpatient and outpatient cohorts
err2025-02-26
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errHurme, Antti; Viinanen, Arja; Terasjarvi, Johanna; Jalkanen, Pinja; Feuth, Thijs; Loyttyniemi, Eliisa; Vuorinen, Tytti; Kantele, Anu; Oksi, Jarmo; He, Qiushui; Julkunen, Ilkka
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The COVID-19 vaccine ChAdOx1 is opsonized by anti-vector antibodies that activate complement and promote viral vector phagocytosis
err2025-01-31
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errNissila, Eija; Starck, Leo; Aho, Elias; Venerandi, Erika; Jalkanen, Pinja; Leskinen, Katarzyna; Uvarov, Pavel; Saavalainen, Paeivi; Julkunen, Ilkka; Kotimaa, Juha; Haapasalo, Karita; Meri, Seppo
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Long-term COVID-19 vaccine- and Omicron infection-induced humoral and cell-mediated immunity
err2024-11-21
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errBelik, Milja; Reinholm, Arttu; Kolehmainen, Pekka; Heroum, Jemna; Maljanen, Sari; Altan, Eda; Osterlund, Pamela; Laine, Larissa; Ritvos, Olli; Pasternack, Arja; Naves, Rauno A.; Iakubovskaia, Alina; Barkoff, Alex-Mikael; He, Qiushui; Lempainen, Johanna; Tahtinen, Paula A.; Ivaska, Lauri; Jalkanen, Pinja; Julkunen, Ilkka; Kakkola, Laura
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Virus-specific Dicer-substrate siRNA swarms inhibit SARS-CoV-2 infection in TMPRSS2-expressing Vero E6 cells
err2024-11-14
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errJiang, Miao; Laine, Larissa; Kolehmainen, Pekka; Kakkola, Laura; Avelin, Veera; Vaisanen, Elina; Poranen, Minna M.; Osterlund, Pamela; Julkunen, Ilkka
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Neutralizing antibodies after the third COVID-19 vaccination in healthcare workers with or without breakthrough infection
err2024-02-23
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errReinholm, Arttu; Maljanen, Sari; Jalkanen, Pinja; Altan, Eda; Tauriainen, Sisko; Belik, Milja; Skon, Marika; Haveri, Anu; Osterlund, Pamela; Iakubovskaia, Alina; Pasternack, Arja; Naves, Rauno A.; Ritvos, Olli; Miettinen, Simo; Hakkinen, Hanni K.; Ivaska, Lauri; Tahtinen, Paula A.; Lempainen, Johanna; Kantele, Anu; Kakkola, Laura; Julkunen, Ilkka; Kolehmainen, Pekka
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VP24 matrix proteins of eight filoviruses downregulate innate immune response by inhibiting the interferon- induced pathway
err2023-08-30
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PREAI
errKhan, Hira; Tripathi, Lav; Kolehmainen, Pekka; Lundberg, Rickard; Altan, Eda; Heroum, Jemna; Julkunen, Ilkka; Kakkola, Laura; Huttunen, Moona
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Image-based and machine learning-guided multiplexed serology test for SARS-CoV-2
err2023-08-01
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errPietiainen, Vilja; Polso, Minttu; Migh, Ede; Guckelsberger, Christian; Harmati, Maria; Diosdi, Akos; Turunen, Laura; Hassinen, Antti; Potdar, Swapnil; Koponen, Annika; Sebestyen, Edina Gyukity; Kovacs, Ferenc; Kriston, Andras; Hollandi, Reka; Burian, Katalin; Terhes, Gabriella; Visnyovszki, Adam; Fodor, Eszter; Lacza, Zsombor; Kantele, Anu; Kolehmainen, Pekka; Kakkola, Laura; Strandin, Tomas; Levanov, Lev; Kallioniemi, Olli; Kemeny, Lajos; Julkunen, Ilkka; Vapalahti, Olli; Buzas, Krisztina; Paavolainen, Lassi; Horvath, Peter; Hepojoki, Jussi
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Coronavirus spike protein-specific antibodies indicate frequent infections and reinfections in infancy and among BNT162b2-vaccinated healthcare workers
err2023-05-24
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errKolehmainen, Pekka; Huttunen, Moona; Iakubovskaia, Alina; Maljanen, Sari; Tauriainen, Sisko; Yatkin, Emrah; Pasternack, Arja; Naves, Rauno; Toivonen, Laura; Tahtinen, Paula A.; Ivaska, Lauri; Lempainen, Johanna; Peltola, Ville; Waris, Matti; Kakkola, Laura; Ritvos, Olli; Julkunen, Ilkka
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T cell immunity following COVID-19 vaccination in adult patients with primary antibody deficiency - a 22-month follow-up
err2023-05-09
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errHurme, Antti; Jalkanen, Pinja; Marttila-Vaara, Minna; Heroum, Jemna; Jokinen, Heidi; Vara, Saimi; Liedes, Oona; Lempainen, Johanna; Melin, Merit; Julkunen, Ilkka; Kainulainen, Leena
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Persistent T cell-mediated immune responses against Omicron variants after the third COVID-19 mRNA vaccine dose
err2023-01-23
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errBelik, Milja; Liedes, Oona; Vara, Saimi; Haveri, Anu; Poysti, Sakari; Kolehmainen, Pekka; Maljanen, Sari; Huttunen, Moona; Reinholm, Arttu; Lundberg, Rickard; Skoen, Marika; osterlund, Pamela; Melin, Merit; Hanninen, Arno; Hurme, Antti; Ivaska, Lauri; Taehtinen, Paula A.; Lempainen, Johanna; Kakkola, Laura; Jalkanen, Pinja; Julkunen, Ilkka
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Strong Neutralizing Antibody Responses to SARS-CoV-2 Variants Following a Single Vaccine Dose in Subjects With Previous SARS-CoV-2 Infection
err2022-11-19
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errEkstrom, Nina; Haveri, Anu; Solastie, Anna; Virta, Camilla; Osterlund, Pamela; Nohynek, Hanna; Nieminen, Tuomo; Ivaska, Lauri; Tahtinen, Paula A.; Lempainen, Johanna; Jalkanen, Pinja; Julkunen, Ilkka; Palmu, Arto A.; Melin, Merit
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Serological Follow-Up Study Indicates High Seasonal Coronavirus Infection and Reinfection Rates in Early Childhood
err2022-06-29
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errKolehmainen, Pekka; Heroum, Jemna; Jalkanen, Pinja; Huttunen, Moona; Toivonen, Laura; Marjomaki, Varpu; Waris, Matti; Smura, Teemu; Kakkola, Laura; Tauriainen, Sisko; Peltola, Ville; Julkunen, Ilkka
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Comparative analysis of COVID-19 vaccine responses and third booster dose-induced neutralizing antibodies against Delta and Omicron variants
err2022-05-05
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errBelik, Milja; Jalkanen, Pinja; Lundberg, Rickard; Reinholm, Arttu; Laine, Larissa; Vaisanen, Elina; Skon, Marika; Tahtinen, Paula A.; Ivaska, Lauri; Pakkanen, Sari H.; Hakkinen, Hanni K.; Ortamo, Eeva; Pasternack, Arja; Ritvos, Mikael A.; Naves, Rauno A.; Miettinen, Simo; Sironen, Tarja; Vapalahti, Olli; Ritvos, Olli; Osterlund, Pamela; Kantele, Anu; Lempainen, Johanna; Kakkola, Laura; Kolehmainen, Pekka; Julkunen, Ilkka
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