Ing. Richard Laga, Ph.D.

Ing. Richard Laga, Ph.D.

The Institute of Macromolecular Chemistry of the Czech Academy of Sciences
Head of Research Project

Dr. Laga is engaged in the development of polymer immunotherapeutics and chemotherapeutics for the treatment of infectious and oncological diseases. He specialises in the synthesis and physico-chemical characterization of advanced macromolecular systems for targeted delivery and controlled release of peptide and protein antigens, cancerostatics and nucleic acids in vivo. Dr. Laga is employed at the Department of Bioactive Polymers of the Institute of Macromolecular Chemistry CAS.

The proposed systems allow the safe and efficient delivery of low-molecular-weight therapeutics directly to the site of action (e.g. tumor, secondary lymphatic organs, etc.) where they provide its controlled release and activation. Attachment of the therapeutics to a polymer carrier with a size of units up to hundreds of nanometers will also significantly increase its persistence in the body, which will positively affect its pharmacokinetic and pharmacodynamic. These advantageous properties can be used both in the preparation of advanced peptide / protein vaccines against infectious and cancer diseases, as well as in the construction of sophisticated chemotherapeutics and gene therapeutics for the treatment of tumors.

Recent publications

2017

Braunová, L. Kostka, L. Sivák, L. Cuchalová, Z. Hvězdová, R. Laga, S. Filippov, P. Černoch, M. Pechar, O. Janoušková, M. Šírová, T. Etrych, Tumor-targeted micelle-forming block copolymers for overcoming of multidrug resistence, Journal of Controlled Release 245 (2017) 41–51.

O. Slaby, R. Laga, O. Sedlacek; Therapeutic targeting of non-coding RNAs in cancer, Biochemical Journal, 474, 4219-4251 (2017).

2016

G. Mužíková, R. Pola, R. Laga, M. Pechar; Biodegradable multiblock polymers based on N-(2-hydroxypropyl)methacrylamide designed as drug carriers for tumor-targeted delivery, Macromolecular Chemistry and Physics, 217(15), 1690-1703 (2016).

J. R. Francica, G. M. Lynn, R. Laga, G. Joyce, T. J. Ruckwardt, K. M. Moribito, M. Chen, R. Chaudhuri, B. Zhang, M. Sastry, K. Ko, M. Pechar, L. A. Kueltzo, P. D. Kwong, B. S. Graham, R. A. Seder; Thermo-Responsive Polymer Nanoparticles Co-Deliver RSV F Trimers with a TLR-7/8 Adjuvant, Bioconjugate Chemistry, 27(10), 2372-2385 (2016).

2015

S. Mo, R. Carlisle, R. Laga, R. Myers, S. Graham, K. Ulbrich, L. Seymour, C-C. Coussios; Increasing the density of nanomedicines improves their ultrasound-mediated delivery to tumors, Journal of Controlled Release, Journal of Controlled Release, 210, 10-18 (2015).

R. Laga, O. Janoušková, K. Ulbrich, R. Pola, J. Blažková, S. K. Filippov, T. Etrych, M. Pechar; Thermo-responsive polymeric micelles as potential nano-sized cancerostatics. Biomacromolecules, 16(8), pp 2493–2505 (2015).

G. Lynn, R. Laga, P. Darrah, A. Ishizuka, A. Balaci, A. Dulcey, M. Pechar, R. Pola, M. Gerner, A. Yamamoto, J. Meyerson, K. Quin, M. Smelkinson, O. Vanek, R. Cawood, T. Hills, O. Vasalatiy, K. Kastenmuller, J. Francica, T. Etrych, K. Fisher, L. Seymour, R. Seder; In vivo characterization of the physicochemical properties of polymer-linked TLR agonists that enhance vaccine immunogenicity, Nature Biotechnology 33, 1201-1210 (2015).

2014

R. Pola, A. Braunová, R. Laga, M. Pechar, K. Ulbrich; Click Chemistry as a Powerful and Chemoselective Tool for Attachment of Targeting Ligands to Polymer Drug Carriers, Polymer Chemistry, 5(4), 1340-1350 (2014).

M. Pechar, R. Pola, R. Laga, A. Braunová, K. Ulbrich, S. Filippov, A. Bogomolova, L. Bednárová, O. Vaněk; Coiled coil peptides and polymer-peptide conjugates: synthesis, self-assembly, characterization and potential in drug delivery systems, Biomacromolecules, 15(7), 2590-2599 (2014).

2013

R. Pola, R. Laga, K. Ulbrich, I. Sieglová, V. Král, M. Fábry, M. Kabešová, M. Kovář, M. Pechar; Polymer Therapeutics with a Coiled Coil Motif Targeted against Murine BCL1 Leukemia, Biomacromolecules 14(3), 881-889 (2013).

R. Laga, R. Pola, K. Ulbrich, M. Hořejší, I. Sieglová, V. Král, M. Fábry M. Pechar; Avidin-conjugated polymers with monobiotinylated antibodyfragments: A new strategy for the noncovalent attachment of recombinant proteins for polymer therapeutics, Journal of Bioactive and Compatible Polymers, 28(3), 289-299 (2013).

R. Carlisle, J. Choi, M. Bazan-Peregrino, R. Laga, V. Subr, L. Kostka, K. Ulbrich, C-C. Coussios, L. W. Seymour; Enhanced Tumor Uptake and Penetration of Virotherapy Using Polymer Stealthing and Focused Ultrasound, Journal of the National Cancer Institute 105(22), 1701-1710 (2013).

2012

R. Laga, R. Carlisle, M. Tangney, K. Ulbrich, L. W. Seymour; Polymer Coatings for Delivery of Nucleic Acid Therapeutics, Journal of Controlled Release 161(2), 537-553 (2012).

2011

M. Pechar, R. Pola, R. Laga, K. Ulbrich, L. Bednarova, P. Malon, I. Sieglova, V. Kral, M. Fabry, O. Vanek; Coiled Coil Peptides as Universal Linkers for the Attachment of Recombinant Proteins to Polymer Therapeutics, Biomacromolecules 12(10), 3645-3655 (2011).

2010

R. Laga, Č. Koňák, V. Šubr, K. Ulbrich, N. Suthiwangcharoen, Z. Niu, Q. Wang; Chemical Conjugation of Cowpea Mosaic Viruses with Reactive HPMA-Based Polymers, Journal of Biomaterial Science-Polymer Edition 21(12), 1669-1685 (2010).