R. J. Kok

Publications156
h-index42
Citations5,477
Highly Influential Citations124
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A novel strategy to modify adenovirus tropism and enhance transgene delivery to activated vascular endothelial cells in vitro and in vivo.
To assess the possibilities of retargeting adenovirus to activated endothelial cells, we conjugated bifunctional polyethylene glycol (PEG) onto the adenoviral capsid to inhibit the interaction… Expand
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RGD-based strategies for selective delivery of therapeutics and imaging agents to the tumour vasculature.
During the past decade, RGD-peptides have become a popular tool for the targeting of drugs and imaging agents to alphavbeta3-integrin expressing tumour vasculature. RGD-peptides have been introduced… Expand
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Anti-tumor efficacy of tumor vasculature-targeted liposomal doxorubicin.
Angiogenesis is a key process in the growth and metastasis of a tumor. Disrupting this process is considered a promising treatment strategy. Therefore, a drug delivery system specifically aiming at… Expand
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Targeting tumors with nanobodies for cancer imaging and therapy.
The use of monoclonal antibodies has revolutionized both cancer therapy and cancer imaging. Antibodies have been used to directly inhibit tumor cell proliferation or to target drugs to tumors. Also… Expand
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How to screen non-viral gene delivery systems in vitro?
Screening of new gene delivery candidates regarding transfection efficiency and toxicity is usually performed by reading out transgene expression levels relative to a reference formulation after in… Expand
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The VEGF/Rho GTPase signalling pathway: a promising target for anti-angiogenic/anti-invasion therapy.
It has become increasingly apparent that current antiangiogenic therapy elicits modest effects in clinical settings. In addition, it remains challenging to treat cancer metastasis through… Expand
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Differential effects of NF-{kappa}B and p38 MAPK inhibitors and combinations thereof on TNF-{alpha}- and IL-1{beta}-induced proinflammatory status of endothelial cells in vitro.
Endothelial cells actively participate in inflammatory events by regulating leukocyte recruitment via the expression of inflammatory genes such as E-selectin, VCAM-1, ICAM-1, IL-6, IL-8, and… Expand
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Diverse origins of the myofibroblast—implications for kidney fibrosis
Fibrosis is the common end point of chronic kidney disease. The persistent production of inflammatory cytokines and growth factors leads to an ongoing process of extracellular matrix production that… Expand
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Drug targeting to the kidney: Advances in the active targeting of therapeutics to proximal tubular cells.
Activated signaling cascades in the proximal tubular cells of the kidneys play a crucial role in the development of tubulointerstitial fibrosis. Inhibition of these signaling cascades with locally… Expand
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Targeting of angiogenic endothelial cells at sites of inflammation by dexamethasone phosphate-containing RGD peptide liposomes inhibits experimental arthritis.
OBJECTIVE To investigate whether RGD peptide-exposing long circulating polyethylene glycol (PEG) liposomes (RGD-PEG-L) targeted to alphavbeta3 integrins expressed on angiogenic vascular endothelial… Expand
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