Publications by authors named "Ivanka Tsacheva"

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C1q Is Recognized as a Soluble Autoantigen by Anti-C1q Antibodies of Patients with Systemic Lupus Erythematosus.
Alexandra Anatolieva Atanasova, Ginka Ilieva Cholakova, Alexandra Panagiotis Kapogianni, Vancho Donev, Delina Ivanova, Ivanka Georgieva Tsacheva

Antibodies (Basel)· November 2025

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Anti-C1q Autoantibody-Binding Engineered scFv C1q-Mimicking Fragment Enhances Disease Progression in Lupus-Prone MRL/lpr Mice.
Silviya Bradyanova, Nikolina Mihaylova, Nikola Ralchev, Alexandra Kapogianni, Ginka Cholakova, Ivanka Tsacheva

Int J Mol Sci· July 2025

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Chemotaxonomy and Bioactive Potential of High-Mountain Plantago atrata.
Miroslava Zhiponova, Zhenya Yordanova, Georgi Ivanov, Uroš Gašić, Danijela Mišić, Ivanka Tsacheva

Chem Biodivers· June 2025

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Characterization of the binding of the globular domains of the complement component C1q to phosphatidylserine.
Alexandra Kapogianni, Gabriela Radulova, Vancho Donev, Pavel Videv, Ginka Cholakova, Ivanka Tsacheva

Int J Biol Macromol· February 2025

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Cytokinins enhance the metabolic activity of in vitro-grown catmint (Nepeta nuda L.).
Miroslava Zhiponova, Zhenya Yordanova, Anna Zaharieva, Lyubomira Ivanova, Uroš Gašić, Ivanka Tsacheva

Plant Physiol Biochem· September 2024

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Modelling the Impact of NETosis During the Initial Stage of Systemic Lupus Erythematosus.
Vladimira Suvandjieva, Ivanka Tsacheva, Marlene Santos, Georgios Kararigas, Peter Rashkov

Bull Math Biol· April 2024

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Galectin-3 - A novel ligand of complement protein C1q.
Gabriela Radulova, Alexandra Kapogianni, Ginka Cholakova, Stoyan Iliev, Anela Ivanova, Ivanka Tsacheva

Int J Biol Macromol· March 2024

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Exploring the Phytochemical Composition and Biological Potential of Balkan Endemic Species Griseb.
Desislava I Mantovska, Miroslava K Zhiponova, Detelina Petrova, Kalina Alipieva, Georgi Bonchev, Ivanka Tsacheva

Plants (Basel)· December 2023

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Uncovering the Interrelation between Metabolite Profiles and Bioactivity of In Vitro- and Wild-Grown Catmint ( L.).
Anna Zaharieva, Krasimir Rusanov, Mila Rusanova, Momchil Paunov, Zhenya Yordanova, Ivanka Tsacheva

Metabolites· October 2023

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Biological Activity and NMR-Fingerprinting of Balkan Endemic Species Davidov.
Desislava I Mantovska, Miroslava K Zhiponova, Milen I Georgiev, Kalina Alipieva, Ivanka Tsacheva

Metabolites· March 2022

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Autoinduction as Means for Optimization of the Heterologous Expression of Recombinant Single-Chain Fv (scFv) Antibodies.
Ginka Nikolova, Yana Georgieva, Alexandra Atanasova, Gabriela Radulova, Alexandra Kapogianni, Ivanka Tsacheva

Mol Biotechnol· November 2021

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Anti-Idiotype scFv Localizes an Autoepitope in the Globular Domain of C1q.
Nadezhda Todorova, Miroslav Rangelov, Vanya Bogoeva, Vishnya Stoyanova, Anna Yordanova, Ivanka Tsacheva

Int J Mol Sci· August 2021

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Autoantigenicity of human C1q is associated with increased hydrophobicity due to conformational transitions in the globular heads.
Vishnya Stoyanova, Vanya Bogoeva, Lidiya Petrova, Magdalena Tchorbadjieva, Svetla Petrova, Ivanka Tsacheva

Mol Biosyst· May 2015

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Biochemical analysis of the epitope specificities of anti-C1q autoantibodies accompanying human lupus nephritis reveals them as a dynamic population in the course of the disease.
Vishnya Stoyanova, Magdalena Tchorbadjieva, Boriana Deliyska, Vasil Vasilev, Ivanka Tsacheva

Immunol Lett· April 2013

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New insight into the autoimmunogenicity of the complement protein C1q.
Vishnya Stoyanova, Svetla Petrova, Magdalena Tchorbadjieva, Boriana Deliyska, Vasil Vasilev, Ivanka Tsacheva

Mol Immunol· January 2011

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Chaperone-like effect of polyzwitterions on the interaction of C1q with IgG.
Ivo Ivanov, Ivanka Tsacheva, Vishnia Stoyanova, Miroslav Nikolov, Magdalena I Tchorbadjieva

Z Naturforsch C J Biosci· April 2009

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Lupus nephritis sera contain autoantibodies that recognize epitopes within the globular fragment of C1q.
Boriana Deliyska, Ivanka Tsacheva, Maria Radanova, Vishnia Stoianova, Magdalena Tchorbadjieva

Med Pregl· November 2008

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Generation of recombinant antibodies against orchardgrass Acidic nsLTP-like proteins.
Gorica Rakleova, Ivanka Tsacheva, Mima Petkova, Ivelyn Pantchev, Magdalena Tchorbadjieva

Z Naturforsch C J Biosci· August 2008

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Detection of autoantibodies against the globular domain of human C1q in the sera of systemic lupus erythematosus patients.
Ivanka Tsacheva, Maria Radanova, Nadezhda Todorova, Trenka Argirova, Uday Kishore

Mol Immunol· March 2007

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Complement inhibiting properties of dragon's blood from Croton draco.
Ivanka Tsacheva, Joerg Rostan, Tania Iossifova, Bernhard Vogler, Mariela Odjakova

Z Naturforsch C J Biosci· June 2005

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Mutational analyses of the recombinant globular regions of human C1q A, B, and C chains suggest an essential role for arginine and histidine residues in the C1q-IgG interaction.
Mihaela S Kojouharova, Mihaela G Gadjeva, Ivanka G Tsacheva, Aleksandra Zlatarova, Liubka T Roumenina

J Immunol· April 2004

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Localization of ligand-binding sites on human C1q globular head region using recombinant globular head fragments and single-chain antibodies.
Mihaela S Kojouharova, Ivanka G Tsacheva, Magdalena I Tchorbadjieva, Kenneth B M Reid, Uday Kishore

Biochim Biophys Acta· November 2003

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