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      Enzyme-triggered self-assembly of gold nanoparticles for enhanced retention effects and photothermal therapy of prostate cancer

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          Abstract

          A peptide-modified gold nanoparticle was developed for tumour-targeted therapy.

          Abstract

          A peptide-modified gold nanoparticle was developed for tumour-targeted therapy. Triggered by alkaline phosphatase, the CREKA-Y PFFK(Nph) peptide can self-assemble and further result in accumulation of gold nanoparticles in tumour cells. The large-sized gold nanoparticle aggregates cannot escape from the tumour tissue, therefore realizing the goal of tumour-specific targeting, enhanced retention and photothermal effects.

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          Most cited references28

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          Cancer statistics, 2016.

          Each year, the American Cancer Society estimates the numbers of new cancer cases and deaths that will occur in the United States in the current year and compiles the most recent data on cancer incidence, mortality, and survival. Incidence data were collected by the National Cancer Institute (Surveillance, Epidemiology, and End Results [SEER] Program), the Centers for Disease Control and Prevention (National Program of Cancer Registries), and the North American Association of Central Cancer Registries. Mortality data were collected by the National Center for Health Statistics. In 2016, 1,685,210 new cancer cases and 595,690 cancer deaths are projected to occur in the United States. Overall cancer incidence trends (13 oldest SEER registries) are stable in women, but declining by 3.1% per year in men (from 2009-2012), much of which is because of recent rapid declines in prostate cancer diagnoses. The cancer death rate has dropped by 23% since 1991, translating to more than 1.7 million deaths averted through 2012. Despite this progress, death rates are increasing for cancers of the liver, pancreas, and uterine corpus, and cancer is now the leading cause of death in 21 states, primarily due to exceptionally large reductions in death from heart disease. Among children and adolescents (aged birth-19 years), brain cancer has surpassed leukemia as the leading cause of cancer death because of the dramatic therapeutic advances against leukemia. Accelerating progress against cancer requires both increased national investment in cancer research and the application of existing cancer control knowledge across all segments of the population.
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            Nanomaterials for theranostics: recent advances and future challenges.

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              Prednisone plus cabazitaxel or mitoxantrone for metastatic castration-resistant prostate cancer progressing after docetaxel treatment: a randomised open-label trial.

              Cabazitaxel is a novel tubulin-binding taxane drug with antitumour activity in docetaxel-resistant cancers. We aimed to compare the efficacy and safety of cabazitaxel plus prednisone with those of mitoxantrone plus prednisone in men with metastatic castration-resistant prostate cancer with progressive disease after docetaxel-based treatment. We undertook an open-label randomised phase 3 trial in men with metastatic castration-resistant prostate cancer who had received previous hormone therapy, but whose disease had progressed during or after treatment with a docetaxel-containing regimen. Participants were treated with 10 mg oral prednisone daily, and were randomly assigned to receive either 12 mg/m(2) mitoxantrone intravenously over 15-30 min or 25 mg/m(2) cabazitaxel intravenously over 1 h every 3 weeks. The random allocation schedule was computer-generated; patients and treating physicians were not masked to treatment allocation, but the study team was masked to the data analysis. The primary endpoint was overall survival. Secondary endpoints included progression-free survival and safety. Analysis was by intention to treat. This study is registered at ClinicalTrials.gov, NCT00417079. 755 men were allocated to treatment groups (377 mitoxantrone, 378 cabazitaxel) and were included in the intention-to-treat analysis. At the cutoff for the final analysis (Sept 25, 2009), median survival was 15·1 months (95% CI 14·1-16·3) in the cabazitaxel group and 12·7 months (11·6-13·7) in the mitoxantrone group. The hazard ratio for death of men treated with cabazitaxel compared with those taking mitoxantrone was 0·70 (95% CI 0·59-0·83, p<0·0001). Median progression-free survival was 2·8 months (95% CI 2·4-3·0) in the cabazitaxel group and 1·4 months (1·4-1·7) in the mitoxantrone group (HR 0·74, 0·64-0·86, p<0·0001). The most common clinically significant grade 3 or higher adverse events were neutropenia (cabazitaxel, 303 [82%] patients vs mitoxantrone, 215 [58%]) and diarrhoea (23 [6%] vs one [<1%]). 28 (8%) patients in the cabazitaxel group and five (1%) in the mitoxantrone group had febrile neutropenia. Treatment with cabazitaxel plus prednisone has important clinical antitumour activity, improving overall survival in patients with metastatic castration-resistant prostate cancer whose disease has progressed during or after docetaxel-based therapy. Sanofi-Aventis. Copyright © 2010 Elsevier Ltd. All rights reserved.
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                Author and article information

                Contributors
                Journal
                CHCOFS
                Chemical Communications
                Chem. Commun.
                Royal Society of Chemistry (RSC)
                1359-7345
                1364-548X
                2018
                2018
                : 54
                : 70
                : 9841-9844
                Affiliations
                [1 ]Department of Radiology
                [2 ]Xinhua Hospital
                [3 ]School of Medicine
                [4 ]Shanghai Jiao Tong University
                [5 ]Shanghai
                [6 ]The Institute for Translational Nanomedicine
                [7 ]Shanghai East Hospital
                [8 ]the Institute for Biomedical Engineering & Nano Science
                [9 ]Tongji University School of Medicine
                Article
                10.1039/C8CC05136D
                b9ebc629-88de-4f19-921f-9c210e28ba98
                © 2018

                http://rsc.li/journals-terms-of-use

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