Passive versus active tumor targeting using RGD-and NGR-modified polymeric nanomedicines

S Kunjachan, R Pola, F Gremse, B Theek, J Ehling… - Nano …, 2014 - ACS Publications
Enhanced permeability and retention (EPR) and the (over-) expression of angiogenesis-related
surface receptors are key features of tumor blood vessels. As a consequence, EPR-…

In vivo characterization of the physicochemical properties of polymer-linked TLR agonists that enhance vaccine immunogenicity

…, AJ Balaci, AE Dulcey, M Pechar, R Pola… - Nature …, 2015 - nature.com
The efficacy of vaccine adjuvants such as Toll-like receptor agonists (TLRa) can be improved
through formulation and delivery approaches. Here, we attached small molecule TLR-7/8a …

Effect of physicochemical modification on the biodistribution and tumor accumulation of HPMA copolymers

…, R Kühnlein, M Kissel, V Subr, T Etrych, R Pola… - Journal of controlled …, 2005 - Elsevier
Copolymers of N-(2-hydroxypropyl)methacrylamide (HPMA) are prototypic and well-characterized
polymeric drug carriers that are being broadly implemented in the delivery of …

Targeting distinct myeloid cell populations in vivo using polymers, liposomes and microbubbles

…, F Heymann, F Gremse, M Bartneck, U Panzer, R Pola… - Biomaterials, 2017 - Elsevier
Identifying intended or accidental cellular targets for drug delivery systems is highly relevant
for evaluating therapeutic and toxic effects. However, limited knowledge exists on the …

Effect of cellular and microenvironmental multidrug resistance on tumor-targeted drug delivery in triple-negative breast cancer

…, E Rama, M Wagner, D Moeckel, R Pola… - Journal of Controlled …, 2023 - Elsevier
Multidrug resistance (MDR) reduces the efficacy of chemotherapy. Besides inducing the
expression of drug efflux pumps, chemotherapy treatment alters the composition of the tumor …

Noninvasive optical imaging of nanomedicine biodistribution

S Kunjachan, F Gremse, B Theek, P Koczera, R Pola… - ACS …, 2013 - ACS Publications
Nanomedicines are sub-micrometer-sized carrier materials designed to improve the
biodistribution of iv administered (chemo-) therapeutic agents. In recent years, ever more efforts in …

Characterizing EPR-mediated passive drug targeting using contrast-enhanced functional ultrasound imaging

…, F Gremse, S Kunjachan, S Fokong, R Pola… - Journal of controlled …, 2014 - Elsevier
The Enhanced Permeability and Retention (EPR) effect is extensively used in drug delivery
research. Taking into account that EPR is a highly variable phenomenon, we have here set …

[HTML][HTML] Multimodal and multiscale optical imaging of nanomedicine delivery across the blood-brain barrier upon sonopermeation

…, A Rix, D Rommel, S Von Stillfried, L Appold, R Pola… - Theranostics, 2020 - ncbi.nlm.nih.gov
Rationale: The blood-brain barrier (BBB) is a major obstacle for drug delivery to the brain.
Sonopermeation, which relies on the combination of ultrasound and microbubbles, has …

“Clickable” and Antifouling Block Copolymer Brushes as a Versatile Platform for Peptide‐Specific Cell Attachment

…, A de los Santos Pereira, R Pola… - Macromolecular …, 2020 - Wiley Online Library
To tailor cell–surface interactions, precise and controlled attachment of cell‐adhesive motifs
is required, while any background non‐specific cell and protein adhesion has to be blocked …

Histidine-rich glycoprotein-induced vascular normalization improves EPR-mediated drug targeting to and into tumors

B Theek, M Baues, F Gremse, R Pola, M Pechar… - Journal of controlled …, 2018 - Elsevier
Tumors are characterized by leaky blood vessels, and by an abnormal and heterogeneous
vascular network. These pathophysiological characteristics contribute to the enhanced …