Pinja Jalkanen - UTU Research Portal

Pinja Jalkanen

- Senior Researcher,
Institute of Biomedicine (Faculty of Medicine)

pinja.r.jalkanen@utu.fi

Publications

Post-COVID-19 condition in prospective inpatient and outpatient cohorts (2025)
- Scientific Reports
Hurme, Antti; Viinanen, Arja; Teräsjärvi, Johanna; Jalkanen, Pinja; Feuth, Thijs; Löyttyniemi, Eliisa; Vuorinen, Tytti; Kantele, Anu; Oksi, Jarmo; He, Qiushui; Julkunen, Ilkka
(A1 Refereed original research article in a scientific journal)
The COVID-19 vaccine ChAdOx1 is opsonized by anti-vector antibodies that activate complement and promote viral vector phagocytosis (2025)
- Scandinavian Journal of Immunology
Nissilä, Eija; Starck, Leo; Aho, Elias; Venerandi, Erika; Jalkanen, Pinja; Leskinen, Katarzyna; Uvarov, Pavel; Saavalainen, Päivi; Julkunen, Ilkka; Kotimaa, Juha; Haapasalo, Karita; Meri, Seppo
(A1 Refereed original research article in a scientific journal)
Long-term COVID-19 vaccine- and Omicron infection-induced humoral and cell-mediated immunity (2024)
- Frontiers in Immunology
Belik, Milja; Reinholm, Arttu; Kolehmainen, Pekka; Heroum, Jemna; Maljanen, Sari; Altan, Eda; Österlund, Pamela; Laine, Larissa; Ritvos, Olli; Pasternack, Arja; Naves, Rauno A.; Iakubovskaia, Alina; Barkoff, Alex-Mikael; He, Qiushui; Lempainen, Johanna; Tähtinen, Paula A.; Ivaska, Lauri; Jalkanen, Pinja; Julkunen, Ilkka; Kakkola, Laura
(A1 Refereed original research article in a scientific journal)
Neutralizing antibodies after the third COVID-19 vaccination in healthcare workers with or without breakthrough infection (2024)
- Communications medicine
Reinholm Arttu, Maljanen Sari, Jalkanen Pinja, Altan Eda, Tauriainen Sisko, Belik Milja, Skön Marika, Haveri Anu, Österlund Pamela, Iakubovskaia Alina, Pasternack Arja, Naves Rauno A., Ritvos Olli, Miettinen Simo, Häkkinen Hanni K., Ivaska Lauri, Tähtinen Paula A., Lempainen Johanna, Kantele Anu, Kakkola Laura, Julkunen Ilkka, Kolehmainen Pekka
(A1 Refereed original research article in a scientific journal)
COVID-19 vaccine-induced adaptive immunity against SARS-CoV-2 variants (2023) Jalkanen Pinja
(G5 Article dissertation )
Persistent T cell-mediated immune responses against Omicron variants after the third COVID-19 mRNA vaccine dose (2023)
- Frontiers in Immunology
Belik Milja, Liedes Oona, Vara Saimi, Haveri Anu, Pöysti Sakari, Kolehmainen Pekka, Maljanen Sari, Huttunen Moona, Reinholm Arttu, Lundberg Rickard, Skön Marika, Österlund Pamela, Melin Merit, Hänninen Arno, Hurme Antti, Ivaska Lauri, Tähtinen Paula A., Lempainen Johanna, Kakkola Laura, Jalkanen Pinja, Julkunen Ilkka
(A1 Refereed original research article in a scientific journal)
T cell immunity following COVID-19 vaccination in adult patients with primary antibody deficiency - a 22-month follow-up (2023)
- Frontiers in Immunology
Hurme Antti, Jalkanen Pinja, Marttila-Vaara Minna, Heroum Jemna, Jokinen Heidi, Vara Saimi, Liedes Oona, Lempainen Johanna, Melin Merit, Julkunen Ilkka, Kainulainen Leena
(A1 Refereed original research article in a scientific journal)
Comparative analysis of COVID-19 vaccine responses and third booster dose-induced neutralizing antibodies against Delta and Omicron variants (2022)
- Nature Communications
Belik Milja, Jalkanen Pinja, Lundberg Rickard, Reinholm Arttu, Laine Larissa, Väisänen Elina, Skön Marika, Tähtinen Paula A., Ivaska Lauri, Pakkanen Sari H., Häkkinen Hanni K., Ortamo Eeva, Pasternack Arja, Ritvos Mikael A., Naves Rauno A., Miettinen Simo, Sironen Tarja, Vapalahti Olli, Ritvos Olli, Österlund Pamela, Kantele Anu, Lempainen Johanna, Kakkola Laura, Kolehmainen Pekka, Julkunen Ilkka
(A1 Refereed original research article in a scientific journal)
Long-Lasting T Cell Responses in BNT162b2 COVID-19 mRNA Vaccinees and COVID-19 Convalescent Patients (2022)
- Frontiers in Immunology
Hurme Antti, Jalkanen Pinja, Heroum Jemna, Liedes Oona., Vara Saimi, Melin Merit, Teräsjärvi Johanna, He Qiushui, Pöysti Sakari, Hänninen Arno, Oksi Jarmo, Vuorinen Tytti, Kantele Anu, Tähtinen Paula A., Ivaska Lauri, Kakkola Laura, Lempainen Johanna, Julkunen Ilkka
(A1 Refereed original research article in a scientific journal)
Low pre-vaccination SARS-CoV-2 seroprevalence in Finnish health care workers: a prospective cohort study (2022)
- Infectious Diseases
Tähtinen Paula A, Ivaska Lauri, Jalkanen Pinja, Kakkola Laura, Kainulainen Leena, Hytönen Jukka, Vuorinen Tytti, Waris Matti, Peltola Ville, Oksi Jarmo, Julkunen Ilkka, Lempainen Johanna
(A1 Refereed original research article in a scientific journal)
Rapid high-throughput compatible label-free virus particle quantification method based on time-resolved luminescence (2022)
- Analytical and Bioanalytical Chemistry
Kopra Kari, Hassan Nazia, Vuorinen Emmiliisa, Valtonen Salla, Mahran Randa, Habib Huda, Jalkanen Pinja, Susi Petri, Hytönen Vesa, Hankaniemi Minna, Ylä-Herttuala Seppo, Kakkola Laura, Peurla Markus, Härmä Harri
(A1 Refereed original research article in a scientific journal)
Serological Follow-Up Study Indicates High Seasonal Coronavirus Infection and Reinfection Rates in Early Childhood (2022)
- Microbiology spectrum
Kolehmainen Pekka, Heroum Jemna, Jalkanen Pinja, Huttunen Moona, Toivonen Laura, Marjomaki Varpu, Waris Matti, Smura Teema, Kakkola Laura, Tauriainen Sisko, Peltola Ville, Julkunen Ilkka
(A1 Refereed original research article in a scientific journal)
Strong Neutralizing Antibody Responses to SARS-CoV-2 Variants Following a Single Vaccine Dose in Subjects With Previous SARS-CoV-2 Infection (2022)
- Open Forum Infectious Diseases
Ekström Nina, Haveri Anu, Solastie Anna, Virta,Camilla, Österlund Pamela, Nohynek Hanna, Nieminen Tuomo, Ivaska Lauri, Tähtinen Paula A., Lempainen Johanna, Jalkanen Pinja, Julkunen Ilkka, Palmu Arto A., Melin Merit
(A1 Refereed original research article in a scientific journal)
Vaccine-Induced Antibody Responses against SARS-CoV-2 Variants-Of-Concern Six Months after the BNT162b2 COVID-19 mRNA Vaccination (2022)
- Microbiology spectrum
Jalkanen Pinja, Kolehmainen Pekka, Haveri Anu, Huttunen Moona, Laine Larissa, Österlund Pamela, Tähtinen Paula A., Ivaska Lauri, Maljanen Sari, Reinholm Arttu, Belik Milja, Smura Teemu, Häkkinen Hanni K., Ortamo Eeva, Kantele Anu, Julkunen Ilkka, Lempainen Johanna, Kakkola Laura
(A1 Refereed original research article in a scientific journal)
A Combination of N and S Antigens With IgA and IgG Measurement Strengthens the Accuracy of SARS-CoV-2 Serodiagnostics (2021)
- Journal of Infectious Diseases
Jalkanen Pinja, Pasternack Arja, Maljanen Sari, Melén Krister, Kolehmainen Pekka, Huttunen Moona, Lundberg Rickard, Tripathi Lav, Khan Hira, Ritvos Mikael A, Naves Rauno, Haveri Anu, Österlund Pamela, Kuivanen Suvi, Jääskeläinen Anne J, Kurkela Satu, Lappalainen Maija, Rantasärkkä Kaisa, Vuorinen Tytti, Hytönen Jukka, Waris Matti, Tauriainen Sisko, Ritvos Olli, Kakkola Laura, Julkunen Ilkka
(A1 Refereed original research article in a scientific journal)
A Highly Sensitive and Specific SARS-CoV-2 Spike- and Nucleoprotein-Based Fluorescent Multiplex Immunoassay (FMIA) to Measure IgG, IgA, and IgM Class Antibodies (2021)
- Microbiology spectrum
Solastie Anna, Virta Camilla, Haveri Anu, Ekström Nina, Kantele Anu, Miettinen Simo, Lempainen Johanna, Jalkanen Pinja, Kakkola Laura, Dub Timothée, Julkunen Ilkka, Melin Merit
(A1 Refereed original research article in a scientific journal)
COVID-19 adenovirus vaccine triggers antibodies against PF4 complexes to activate complement and platelets (2021)
- Thrombosis Research
Pitkänen Hanna H., Jouppila Annukka, Helin Tuukka, Dulipati Vinaya, Kotimaa Juha, Meri Seppo, Kantele Anu, Jalkanen Pinja, Julkunen Ilkka, Lassila Riitta
(A1 Refereed original research article in a scientific journal)
COVID-19 mRNA vaccine induced antibody responses against three SARS-CoV-2 variants (2021)
- Nature Communications
Jalkanen Pinja, Kolehmainen Pekka, Häkkinen Hanni K., Huttunen Moona, Tähtinen Paula A., Lundberg Rickard, Maljanen Sari, Reinholm Arttu, Tauriainen Sisko, Pakkanen Sari H., Levonen Iris, Nousiainen Arttu, Miller Taru, Välimaa Hanna, Ivaska Lauri, Pasternack Arja, Naves Rauno, Ritvos Olli, Österlund Pamela, Kuivanen Suvi, Smura Teemu, Hepojoki Jussi, Vapalahti Olli, Lempainen Johanna, Kakkola Laura, Kantele Anu, Julkunen Ilkka
(A1 Refereed original research article in a scientific journal)
No evidence of autoimmunity to human OX1 or OX2 orexin receptors in Pandemrix-vaccinated narcoleptic children (2020)
- Journal of Translational Autoimmunity
Krister Melén, Pinja Jalkanen, Jyrki P. Kukkonen, Markku Partinen, Hanna Nohynek, Arja Vuorela, Outi Vaarala, Tobias L. Freitag, Seppo Meri, Ilkka Julkunen
(A1 Refereed original research article in a scientific journal)