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Pekka Lappalainen

university of helsinki

74H-index
348Paper Count
1.8WCitation Count
Published Papers 125
Publication Date
Mechanisms of CARMIL dimerization; autoinhibition; and capping protein binding
err2026-03-20
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errKyle R. Barrie; Sarah Körber; Ingrid Billault-Chaumartin; Malgorzata Boczkowska; Peter J. Carman; Omar El Hamoui; Johan Peränen; Guillaume Romet-Lemonne; Antoine Jégou; Pekka Lappalainen; Roberto Dominguez
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Differential interference with actin-binding protein function by acute cytochalasin B
err2025-09-05
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errChristopher Lambert; Marius Karger; Xinqi Jiang; Jonas Scholz; Anika Steffen; Yubo Tang; Hermann Döring; Robert Geffers; Theresia E.B. Stradal; Pekka Lappalainen; Jan Faix; Peter Bieling; Klemens Rottner
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Focal adhesions contain three specialized actin nanoscale layers
err2024-03-21
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errKumari, Reena; Ven, Katharina; Chastney, Megan; Kokate, Shrikant B.; Peraenen, Johan; Aaron, Jesse; Kogan, Konstantin; Almeida-Souza, Leonardo; Kremneva, Elena; Poincloux, Renaud; Chew, Teng-Leong; Gunning, Peter W.; Ivaska, Johanna; Lappalainen, Pekka
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Leishmania profilin interacts with actin through an unusual structural mechanism to control cytoskeletal dynamics in parasites
err2024-03-01
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errVizcaino-Castillo, Andrea; Kotila, Tommi; Kogan, Konstantin; Yanase, Ryuji; Como, Juna; Antenucci, Lina; Michelot, Alphee; Sunter, Jack D.; Lappalainen, Pekka
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Recessive TMOD1 mutation causes childhood cardiomyopathy
err2024-01-02
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errVasilescu, Catalina; Colpan, Mert; Ojala, Tiina H.; Manninen, Tuula; Mutka, Aino; Ylanen, Kaisa; Rahkonen, Otto; Poutanen, Tuija; Martelius, Laura; Kumari, Reena; Hinterding, Helena; Brilhante, Virginia; Ojanen, Simo; Lappalainen, Pekka; Koskenvuo, Juha; Carroll, Christopher J.; Fowler, Velia M.; Gregorio, Carol C.; Suomalainen, Anu
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The Sharpin interactome reveals a role for Sharpin in lamellipodium formation via the Arp2/3 complex (vol 130, jcs200329, 2017)
err2023-10-12
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errKhan, Meraj H.; Salomaa, Siiri I.; Jacquemet, Guillaume; Butt, Umar; Miihkinen, Mitro; Deguchi, Takahiro; Kremneva, Elena; Lappalainen, Pekka; Humphries, Martin J.; Pouwels, Jeroen
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Single particle tracking reveals SARS-CoV-2 regulating and utilizing dynamic filopodia for viral invasion
err2023-10-01
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PREAI
errZhang, Yue; Zhang, Xiaowei; Li, Zhongyi; Zhao, Weisong; Yang, Hui; Zhao, Shuangshuang; Tang, Daijiao; Zhang, Qian; Li, Zonghong; Liu, Huisheng; Li, Haoyu; Li, Bo; Lappalainen, Pekka; Xu, Tao; Cui, Zongqiang; Jiu, Yaming
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Actin-rich lamellipodia-like protrusions contribute to the integrity of epithelial cell-cell junctions
err2023-05-01
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errSenju, Yosuke; Mushtaq, Toiba; Vihinen, Helena; Manninen, Aki; Saarikangas, Juha; Ven, Katharina; Engel, Ulrike; Varjosalo, Markku; Jokitalo, Eija; Lappalainen, Pekka
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Tropomyosin Isoform Expression Regulates the Transition of Adhesions To Determine Cell Speed and Direction
err2023-03-21
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errBach, Cuc T. T.; Creed, Sarah; Zhong, Jessie; Mahmassani, Maha; Schevzov, Galina; Stehn, Justine; Cowell, Lauren N.; Naumanen, Perttu; Lappalainen, Pekka; Gunning, Peter W.; O'Neill, Geraldine M.
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Recycling of the actin monomer pool limits the lifetime of network turnover
err2023-03-13
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errColin, Alexandra; Kotila, Tommi; Guerin, Christophe; Orhant-Prioux, Magali; Vianay, Benoit; Mogilner, Alex; Lappalainen, Pekka; Thery, Manuel; Blanchoin, Laurent
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Structural basis underlying specific biochemical activities of non-muscle tropomyosin isoforms
err2023-01-01
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errSelvaraj, Muniyandi; Kokate, Shrikant B.; Reggiano, Gabriella; Kogan, Konstantin; Kotila, Tommi; Kremneva, Elena; DiMaio, Frank; Lappalainen, Pekka; Huiskonen, Juha T.
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Activated I-BAR IRSp53 clustering controls the formation of VASP-actin-based membrane protrusions
err2022-10-14
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errTsai, Feng-Ching; Henderson, J. Michael; Jarin, Zack; Kremneva, Elena; Senju, Yosuke; Pernier, Julien; Mikhajlov, Oleg; Manzi, John; Kogan, Konstantin; Le Clainche, Christophe; Voth, Gregory A.; Lappalainen, Pekka; Bassereau, Patricia
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Caldesmon controls stress fiber force-balance through dynamic cross-linking of myosin II and actin-tropomyosin filaments
err2022-10-13
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errKokate, Shrikant B.; Ciuba, Katarzyna; Tran, Vivien D.; Kumari, Reena; Tojkander, Sari; Engel, Ulrike; Kogan, Konstantin; Kumar, Sanjay; Lappalainen, Pekka
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Biochemical and mechanical regulation of actin dynamics
err2022-08-02
err115
PREAI
errLappalainen, Pekka; Kotila, Tommi; Jegou, Antoine; Romet-Lemonne, Guillaume
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Structural basis of rapid actin dynamics in the evolutionarily divergent Leishmania parasite
err2022-06-15
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errKotila, Tommi; Wioland, Hugo; Selvaraj, Muniyandi; Kogan, Konstantin; Antenucci, Lina; Jegou, Antoine; Huiskonen, Juha T.; Romet-Lemonne, Guillaume; Lappalainen, Pekka
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Myosin chaperone, UNC-45A, is a novel regulator of intestinal epithelial barrier integrity and repair
err2022-05-13
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errLechuga, Susana; Cartagena-Rivera, Alexander X.; Khan, Afshin; Crawford, Bert I.; Narayanan, Vani; Conway, Daniel E.; Lehtimaki, Jaakko; Lappalainen, Pekka; Rieder, Florian; Longworth, Michelle S.; Ivanov, Andrei I.
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Generation of stress fibers through myosin-driven reorganization of the actin cortex (vol 10, e60710, 2021)
err2022-04-20
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errLehtimaki, Jaakko I.; Rajakyla, Eeva Kaisa; Tojkander, Sari; Lappalainen, Pekka
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A myosin chaperone, UNC-45A, is a novel regulator of intestinal epithelial barrier integrity and repair
err2022-03-28
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errLechuga, Susana; Cartagena-Rivera, Alexander X.; Khan, Afshin; Crawford, Bert, I; Narayanan, Vani; Conway, Daniel E.; Lehtimaki, Jaakko; Lappalainen, Pekka; Rieder, Florian; Longworth, Michelle S.; Ivanov, Andrei I.
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Mechanism of Borrelia immune evasion by FhbA-related proteins
err2022-03-18
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errKogan, Konstantin; Haapasalo, Karita; Kotila, Tommi; Moore, Robin; Lappalainen, Pekka; Goldman, Adrian; Meri, Taru
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