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Discover how PEPperPRINT Peptide Microarray products have been used in different fields of research.

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Heterotypic Assembly Mechanism Regulates CHIP E3 Ligase Activity

Das, Aniruddha; Thapa, Pankaj; Santiago, Ulises; Shanmugam, Nilesh; Banasiak, Katarzyna; Dabrowska, Katarzyna; Nolte, Hendrik; Szulc, Natalia A.; Gathungu, Rose M.; Cysewski, Dominik; Krüger, Marcus; Dadlez, Michal; Nowotny, Marcin; Camacho, Carlos J.; Hoppe, Thorsten; Pokrzywa, Wojciech
Aug 2021
10.1101/2021.08.20.457118
The E3 ubiquitin ligases CHIP/CHN-1 and UFD-2 team up to accelerate ubiquitin chain formation. However, it remained largely unclear how the high processivity of this E3 set is achieved. Here we studied the molecular mechanism and function of the CHN-1/UFD-2 complex in Caenorhabditis elegans. Our data show that UFD-2 binding promotes the cooperation between CHN-1 and ubiquitin-conjugating E2 enzymes by stabilizing the CHN-1 U-box dimer. The HSP-1 chaperone outcompetes UFD-2 for CHN-1 binding and promotes the auto-inhibited CHN-1 state by acting on the conserved position of the U-box domain. The interaction with UFD-2 enables CHN-1 to efficiently ubiquitinate S-Adenosylhomocysteinase (AHCY-1), an enzyme crucial for lipid metabolism. Our results define the molecular mechanism underlying the synergistic cooperation of CHN-1 and UFD-2 in substrate ubiquitylation.

FUSION PROTEIN CONSTRUCTSCOMPRISING ANTI-C3d ANTIBODY AND FACTOR H

Curtis, Michael Steven; Storek, Michael; Violette, Shelia Marie; Kalled, Susan L.; Fahnoe, Kelly C.; Huang, Cheng Ran; Stark, Ellen Garber; Taylor, Frederick Robbins; Caravella, Justin Andrew; Holers, Vernon Michael; Gambel, Phillip
Jan 2021
Provided herein are fusion protein constructs that can bind a complement-associated antigen, comprising a targeting moiety and a complement modulator protein, or a fragment thereof or a variant thereof. The targeting moiety is an antibody or an antigen binding fragment thereof, in some examples. Further provided are methods of using the fusion protein constructs, for example, in treating complement mediation conditions.

Marker Sequences for Diagnosing and Stratifying Systemic Sclerosis Patients

Budde, Petra
Jan 2021
The present invention relates to methods for identifying markers for systemic sclerosis (also scleroderma; SSc) and to the markers identified with the aid of this method, which can differentiate between SSc and other autoimmune diseases on the one hand and between different SSc subgroups on the other hand. The invention also relates to panels, diagnostic devices and test kits which comprise these markers, and to the use and application thereof, for example for the diagnosis, prognosis and therapy control of SSc. The invention also relates to methods for screening and for validating active substances for use in SSc.

Marker Sequences for Diagnosing and Stratifying Systemic Sclerosis Patients

Budde, Petra; Zucht, Dieter; Lüking, Angelika; Schneider, Matthias
Nov 2015
The invention relates to a method for identifying markers for systemic sclerosis (scleroderma, SSc) and to the markers identified by means of said method, which can differentiate between SSc and other autoimmune diseases and between different SSc sub-groups. The invention also relates to panels, diagnostic means, and test kits which comprise said markers and to the use and application thereof, for example for the diagnosis, prognosis, and therapy control for SSc. The invention further relates to methods for screening and validating active ingredients for use in SSc sub-groups.

Monoclonal antibodies to growth and differentiation factor 15 (gdf-15), and uses thereof for treating cancer cachexia and cancer

WISCHHUSEN, Jörg; JUNKER, Markus; SCHÄFER, Tina; PÜHRINGER, Dirk
Oct 2015
The present invention relates to monoclonal anti-human-GDF-15 antibodies. The antibodies include chimeric antibodies and humanized antibodies. The invention also relates to monoclonal anti-human-GDF-15 antibodies including murine antibodies, chimeric antibodies and humanized antibodies for use in methods for the treatment of cancer cachexia and also for the treatment of cancer. The invention also provides pharmaceutical compositions, kits, methods and uses and cell lines capable of producing the monoclonal antibodies of the invention.

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