Search Results - "Witte, Pam"
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Design of phosphodiesterase 4D (PDE4D) allosteric modulators for enhancing cognition with improved safety
Published in Nature biotechnology (2010)“…Finding safe inhibitors of phosphodiesterase 4, the enzyme that breaks down cAMP, has been a longstanding goal in pharmaceutical development. Burgin et al …”
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Liposomes for photodynamic therapy
Published in Advanced drug delivery reviews (13-01-2004)“…Photodynamic therapy (PDT) is an evolving modality for the treatment of superficial tumors. The technique utilizes photosensitizing agents that are able to…”
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3
Hypericin in cancer treatment: more light on the way
Published in International Journal of Biochemistry and Cell Biology (01-03-2002)“…Photodynamic therapy (PDT) has been described as a promising new modality for the treatment of cancer. PDT involves the combination of a photosensitizing agent…”
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Book Review Journal Article -
4
Structure and function of a cyanophage-encoded peptide deformylase
Published in The ISME Journal (01-06-2013)“…Bacteriophages encode auxiliary metabolic genes that support more efficient phage replication. For example, cyanophages carry several genes to maintain host…”
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Transferrin-Conjugated Liposome Targeting of Photosensitizer AlPcS4 to Rat Bladder Carcinoma Cells
Published in JNCI : Journal of the National Cancer Institute (03-11-2004)“…Background: The efficacy and safety of photodynamic therapy for superficial bladder cancer depend on tumor-selective accumulation of the photosensitizer…”
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Crystal structures of Mycobacterial MeaB and MMAA-like GTPases
Published in Journal of structural and functional genomics (01-06-2015)“…The methylmalonyl Co-A mutase-associated GTPase MeaB from Methylobacterium extorquens is involved in glyoxylate regulation and required for growth. In humans,…”
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7
Hypericin‐based fluorescence diagnosis of bladder carcinoma
Published in BJU international (01-05-2002)“…Objective To determine the use of hypericin instillation for the fluorescent detection of papillary bladder cancer and carcinoma in situ. Patients and methods…”
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Photodynamic therapy with hypericin induces vascular damage and apoptosis in the RIF‐1 mouse tumor model
Published in International journal of cancer (10-03-2002)“…Hypericin, a polycyclic quinone obtained from plants of the genus Hypericum, has been proven to be a potent photosensitizer. The mechanism of tumor eradication…”
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The impact of aggregation on the biodistribution of hypericin
Published in International journal of oncology (01-03-2006)“…Hypericin is a potent agent in the photodynamic therapy of cancers and accumulates to a large extent in tumor tissue. To better understand the impact of…”
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Elucidation of the tumoritropic principle of hypericin
Published in British journal of cancer (25-04-2005)“…Hypericin is a potent agent in the photodynamic therapy of cancers. To better understand its tumoritropic behaviour, we evaluated the major determinants of the…”
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Stability of different formulations and ion pairs of hypericin
Published in European journal of pharmaceutics and biopharmaceutics (01-04-2005)“…Hypericin, solubilized in an instillation fluid consisting of an aqueous buffer supplemented with 1% plasma proteins, is currently used as a clinical…”
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Antivascular Tumor Eradication by Hypericin-mediated Photodynamic Therapy
Published in Photochemistry and photobiology (01-11-2002)“…Photodynamic therapy (PDT) with hypericin has been shown to inhibit tumor growth in different tumor models, and tumor vascular damage was suggested to be…”
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13
Transferrin-mediated targeting of hypericin embedded in sterically stabilized PEG-liposomes
Published in International journal of oncology (01-01-2002)“…Over the last few decades, photodynamic therapy evolved to a promising new treating modality for cancer. The photosensitizers used, induce light sensitivity to…”
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14
Permeation of hypericin in spheroids composed of different grade transitional cell carcinoma cell lines and normal human urothelial cells
Published in The Journal of urology (01-07-2005)“…We investigated the importance of E-cadherin expression on the selective accumulation of hypericin in superficial bladder cancer after intravesical…”
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Whole bladder wall photodynamic therapy of transitional cell carcinoma rat bladder tumors using intravesically administered hypericin
Published in International journal of cancer (10-11-2003)“…Whole‐bladder wall photodynamic therapy (PDT) is a promising treatment for carcinoma in situ (CIS) and diffuse premalignant changes of the bladder. After the…”
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Enhancing the photodynamic effect of hypericin in human bladder transitional cell carcinoma spheroids by the use of the oxygen carrier, perfluorodecalin
Published in International journal of oncology (01-03-2006)“…In the present study, we evaluated the possibility of enhancing the photodynamic effect of hypericin in transitional cell carcinoma (TCC) spheroids by the use…”
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Synthesis, in vitro cellular uptake and photo-induced antiproliferative effects of lipophilic hypericin acid derivatives
Published in Bioorganic & medicinal chemistry (01-12-2005)“…Hypericin, a naturally occurring hydroxylated phenanthroperylene dione, is used as a powerful photosensitizer for photodynamic therapy as well as a diagnostic…”
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Biodistribution of hypericin in orthotopic transitional cell carcinoma bladder tumors: Implication for whole bladder wall photodynamic therapy
Published in International journal of cancer (10-01-2002)“…In a recent clinical study, we reported a selective uptake of hypericin in superficial bladder tumors. The results suggested that hypericin, a potent…”
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Enhancing the photodynamic effect of hypericin in tumour spheroids by fractionated light delivery in combination with hyperoxygenation
Published in International journal of oncology (01-06-2005)“…The aim of this study was to explore the hypothesis of oxygen depletion during light irradiation as a possible explanation for the incomplete response seen…”
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Accumulation and Photocytotoxicity of Hypericin and Analogs in Two- and Three-Dimensional Cultures of Transitional Cell Carcinoma Cells
Published in Photochemistry and photobiology (01-12-2003)“…The aim of this study was to investigate the in vitro cellular accumulation, distribution and photocytotoxic effect of hypericin in two-dimensional (2-D) and…”
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