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Janik, Piotr

https://orcid.org/0000-0002-2701-191X

Mayo Clinic

Medical University of Warsaw

Citations 2

Cathepsin B p.Gly284Val Variant in Parkinson’s Disease Pathogenesis
Milanowski, Łukasz , Hou, Xu , Bredenberg, Jenny M., Fiesel, Fabienne C. , Cocker, Liam T. , Soto‐Beasley, Alexandra I. , Walton, Ronald L., Strongosky, Audrey , Faroqi, Ayman H. , Boczarska‐Jedynak, Magdalena , Dulski, Jarosław , Fedoryshyn, Lyuda, Janik, Piotr , Karpinsky, Katherine, Krygowska‐Wajs, Anna, Lynch, Timothy , Olszewska, Diana A. , Opala, Grzegorz, Pulyk, O. R. , Sanotsky, Yanosh, Siuda, Joanna , Widlak, Mariusz, Rudzińska, Monika , Uitti, Ryan J. , Figura, Monika , Rzońca, Sylwia , Podgorska, Elzbieta , McLean, Pamela J. , Koziorowski, Dariusz , Ross, Owen A. , Hoffman‐Zacharska, Dorota , Springer, Wolfdieter , Wszołek, Zbigniew K. , Milanowski, Łukasz M , Strongosky, Audrey J, Dulski, Jaroslaw , Siuda, Joanna S. , Rudzinska-Bar, Monika , Uitti, Ryan, Rzonca-Niewczas, Sylwia , Podgorska, Elzbieta , Koziorowski, Dariusz , Hoffman-Zacharska, Dorota , Springer, Wolfdieter , Wszolek, Z.K. , Ross, Owen A , Fiesel, Fabienne C , Olszewska, Diana A , Hou, Xu , Beasley, Alexandra I , McLean, Pamela J , Barcikowska, Maria , Potulska‐Chromik, Anna , Rektorová, Irena , Sławek, Jarosław , Szlufik, Stanisław

International Journal of Molecular Sciences | June 26, 2022 | Volume: 23 | Issue: 13 | Pages: 7086

10.3390/ijms23137086 Get It

Parkinson’s disease (PD) is generally considered a sporadic disorder, but a strong genetic background is often found. The aim of this study was to identify the underlying genetic cause of PD in two affected siblings and to subsequently assess the role of mutations in Cathepsin B (CTSB) in susceptibility to PD. A typical PD family was identified and whole-exome sequencing was performed in two affected siblings. Variants of interest were validated using Sanger sequencing. CTSB p.Gly284Val was genotyped in 2077 PD patients and 615 unrelated healthy controls from the Czech Republic, Ireland, Poland, Ukraine, and the USA. The gene burden analysis was conducted for the CTSB gene in an additional 769 PD probands from Mayo Clinic Florida familial PD cohort. CTSB expression and activity in patient-derived fibroblasts and controls were evaluated by qRT-PCR, western blot, immunocytochemistry, and enzymatic assay. The CTSB p.Gly284Val candidate variant was only identified in affected family members. Functional analysis of CTSB patient-derived fibroblasts under basal conditions did not reveal overt changes in endogenous expression, subcellular localization, or enzymatic activity in the heterozygous carrier of the CTSB variant. The identification of the CTSB p.Gly284Val may support the hypothesis that the CTSB locus harbors variants with differing penetrance that can determine the disease risk.
CAG repeat expansion in Huntington disease determines age at onset in a fully dominant fashion
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Paola , Mariotti, Caterina , Mariscal, Natividad, Marková, Ivana S. , Marquard, Ralf, Martikainen, Kirsti, Martínez, Isabel Haro, Martínez‐Descals, Asunción, Martino, T., Mason, Sarah, McKenzie, Sue, Mechi, Claudia, Middleton, Julia, Milkereit, Eva, Miller, Julie, Minster, Sara, Möller, Jens Carsten , Monza, Daniela, Morales, Blas, Moreau, Laura V., Murch, Ann, Niess, Anke, Nørremølle, Anne , O'Donovan, Kristy, Orth, Michael, Otti, Daniela, Padieu, Hélène, Paganini, M. , Painold, Annamaria , Päivärinta, Markku, Partington-Jones, Lucy, Paterski, Laurent, Paterson, Nicole D., Patino, Dawn Freire-, Patton, Michael J. , Peinemann, Alexander, Peppa, Nadia , Perea, María Fuensanta Noguera, Peterson, Maria, Càrdenas, Regina Pons i, Prehn, Christian, Price, Kathleen, Probst, Daniela, Quiroga, Purificacion Pin, Raab, Tina, Rakowicz, Maryla, Raman, Ashok, Raymond, Lucy, Reinante, Gema, Retterstøl, Lars, Ribaı̈, Pascale, Riballo, Antonio Villa, Ribas, Guillermo García, Rinaldi, Carlo , Rissling, 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Antequera, Toscano, Jean, Townhill, Jenny, Tucci, Tecla, Tuuha, Katri, Uhrová, Tereza , Valadas, Anabela , Hout, Monique S.E. van, Oostrom, Joost C.H. van, Vugt, Jeroen P.P. van, vanm, Walsem Marleen R., Vandenberghe, Wim , Verellen‐Dumoulin, Christine, Vergara, M, Verstappen, C.C.P., Verstraelen, Nichola , Viladrich, Cèlia Mareca, Villanueva, Clara , Wahlström, Jan , Wehus, R., Weindl, A., Westmoreland, Leann, Wiedemann, Alexandra, Wild, Edward J. , Wild, Sue, Witjes‐Ané, Marie‐Noëlle W. , Witkowski, Grzegorz , Wójcik-Pędziwiatr, Magdalena , Wolz, Martin , Wolz, Annett, Wright, Jan, Yardumian, Pam, Yates, Shona, Yudina, Elizaveta, Zaugg, Sabine Weber, Zdzienicka, Elżbieta, Zielonka, Euginiusz, Zinzi, Paola , Zucker, B., Adams, John , Antonijevic, Irina , Beck, Christopher A. , Chiu, Edmond, Churchyard, Andrew, Colcher, Amy, Dorsey, Ray, Drazinic, Carolyn, Dubinsky, Richard , Duff, Kevin, Giuliano, Joe, Greenamyre, Timothy, Jennings, Dana, Kang, Un Jung , Kumar, Rajeev, Leavitt, Blair, 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Wayne , Mason, Sarah, Mazzoni, Pietro , Miller, Michael I. , Moser, David J. , Nopoulos, Peg , Orth, Michael, Panegyres, Peter K. , Perlmutter, Joel, Phillips, Michael , Potkin, Steven G. , Rao, Stephen M. , Reilmann, Ralf , Robinson, Robert A. , Rogers, Benedict D. , Rosser, Anne, Price, Kathy, Price, Kathy, Schumacher, Jessica R. , Siedlecki, Karen L. , Smith, Jim Q. , Smith, Glenn E. , Stephan, Klaas Enno , Testa, Claudia M. , Toga, Arthur W. , Uc, Ergun, Vaccarino, Anthony L. , Warner, Tom, Wassink, Thomas H. , Welsh, Claire E. , Williams, Kent C. , Williams, Janet K. , Wood, Jessica, Andrews, Thomasin, Poggio, M. , Bandmann, Oliver , Bentivoglio, Anna Rita , Bruno, Stefania , Bryl, Anna , Busquets, Núria , Busse, Monica E , Ciesielska, Anna , Coelho, Miguel M , Nicola, Antonio De , Fannemel, Madeleine , Fasano, Alfonso , Grant, Janet F. , Guedes, Leonor Correia , Herranhof, Brigitte, Herrera-Espiñeira, Carmen , Hidding, Ute , Hill, Susan , Hunt, Sarah E , Kalbarczyk, Anna , Khalil, Hanan W. , Klimberg, Aneta , Krawczyk, Małgorzata Anna , Kremer, Berry P. 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Neurology | February 9, 2012 | Volume: 78 | Issue: 10 | Pages: 690-695

10.1212/wnl.0b013e318249f683 Get It