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Targeted therapies for bladder cancer

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https://www.readbyqxmd.com/read/29773994/biological-roles-of-aberrantly-expressed-glycosphingolipids-and-related-enzymes-in-human-cancer-development-and-progression
#1
REVIEW
Dinghao Zhuo, Xiang Li, Feng Guan
Glycosphingolipids (GSLs), which consist of a hydrophobic ceramide backbone and a hydrophilic carbohydrate residue, are an important type of glycolipid expressed in surface membranes of all animal cells. GSLs play essential roles in maintenance of plasma membrane stability, in regulation of numerous cellular processes (including adhesion, proliferation, apoptosis, and recognition), and in modulation of signal transduction pathways. GSLs have traditionally been classified as ganglio-series, lacto-series, or globo-series on the basis of their diverse types of oligosaccharide chains...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29747035/microscale-radiosynthesis-preclinical-imaging-and-dosimetry-study-of-18-f-ambf-3-tate-a-potential-pet-tracer-for-clinical-imaging-of-somatostatin-receptors
#2
Ksenia Lisova, Maxim Sergeev, Susan Evans-Axelsson, Andreea D Stuparu, Seval Beykan, Jeffrey Collins, Jason Jones, Michael Lassmann, Ken Herrmann, David Perrin, Jason T Lee, Roger Slavik, R Michael van Dam
BACKGROUND: Peptides labeled with positron-emitting isotopes are emerging as a versatile class of compounds for the development of highly specific, targeted imaging agents for diagnostic imaging via positron-emission tomography (PET) and for precision medicine via theranostic applications. Despite the success of peptides labeled with gallium-68 (for imaging) or lutetium-177 (for therapy) in the clinical management of patients with neuroendocrine tumors or prostate cancer, there are significant advantages of using fluorine-18 for imaging...
April 20, 2018: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/29743589/dual-inhibition-of-bcl-xl-and-mcl-1-is-required-to-induce-tumour-regression-in-lung-squamous-cell-carcinomas-sensitive-to-fgfr-inhibition
#3
Clare E Weeden, Casey Ah-Cann, Aliaksei Z Holik, Julie Pasquet, Jean-Marc Garnier, Delphine Merino, Guillaume Lessene, Marie-Liesse Asselin-Labat
Genetic alterations in the fibroblast growth factor receptors (FGFRs) have been described in multiple solid tumours including bladder cancer, head and neck and lung squamous cell carcinoma (SqCC). However, recent clinical trials showed limited efficacy of FGFR-targeted therapy in lung SqCC, suggesting combination therapy may be necessary to improve patient outcomes. Here we demonstrate that FGFR therapy primes SqCC for cell death by increasing the expression of the pro-apoptotic protein BIM. We therefore hypothesised that combining BH3-mimetics, potent inhibitors of pro-survival proteins, with FGFR-targeted therapy may enhance the killing of SqCC cells...
May 10, 2018: Oncogene
https://www.readbyqxmd.com/read/29740711/new-avenues-for-nanoparticle-related-therapies
#4
Michael Zhao, Mingyao Liu
Development of nanoparticle-based drug delivery systems has been attempted for the treatment of cancer over the past decade. The enhanced permeability and retention (EPR) effect is the major mechanism to passively deliver nanodrugs to tumor tissue. However, a recent systematic review demonstrated limited success of these studies, with the clearance of nanoparticles by the mononuclear phagocytic system (MPS) being a major hurdle. Herein, we propose that nanotechnologists should reconsider their research focuses, aiming for therapeutic targets other than cancer...
May 8, 2018: Nanoscale Research Letters
https://www.readbyqxmd.com/read/29732998/an-overview-of-targeted-alpha-therapy-with-225actinium-and-213bismuth
#5
Alfred Morgenstern, Christos Apostolidis, Clemens Kratochwil, Mike Sathekge, Leszek Krolicki, Frank Bruchertseifer
Recent reports of the remarkable therapeutic efficacy of 225Ac-labeled PSMA-617 for therapy of metastatic castration-resistant prostate cancer have underlined the clinical potential of targeted alpha therapy. This review describes methods for the production of 225Ac and its daughter nuclide 213Bi and summarizes the current clinical experience with both alpha emitters with particular focus on recent studies of targeted alpha therapy of bladder cancer, brain tumors, neuroendocrine tumors and prostate cancer.
May 1, 2018: Current Radiopharmaceuticals
https://www.readbyqxmd.com/read/29732386/naturally-occurring-canine-invasive-urothelial-carcinoma-a-model-for-emerging-therapies
#6
REVIEW
Breann C Sommer, Deepika Dhawan, Timothy L Ratliff, Deborah W Knapp
The development of targeted therapies and the resurgence of immunotherapy offer enormous potential to dramatically improve the outlook for patients with invasive urothelial carcinoma (InvUC). Optimization of these therapies, however, is crucial as only a minority of patients achieve dramatic remission, and toxicities are common. With the complexities of the therapies, and the growing list of possible drug combinations to test, highly relevant animal models are needed to assess and select the most promising approaches to carry forward into human trials...
April 26, 2018: Bladder Cancer
https://www.readbyqxmd.com/read/29730280/impact-of-database-quality-in-knowledge-based-treatment-planning-for-prostate-cancer
#7
Phillip D H Wall, Robert L Carver, Jonas D Fontenot
PURPOSE: This article investigates dose-volume prediction improvements in a common knowledge-based planning (KBP) method using a Pareto plan database compared with using a conventional, clinical plan database. METHODS AND MATERIALS: Two plan databases were created using retrospective, anonymized data of 124 volumetric modulated arc therapy (VMAT) prostate cancer patients. The clinical plan database (CPD) contained planning data from each patient's clinically treated VMAT plan, which were manually optimized by various planners...
March 13, 2018: Practical Radiation Oncology
https://www.readbyqxmd.com/read/29723992/micrornas-in-smoking-related-carcinogenesis-biomarkers-functions-and-therapy
#8
REVIEW
Tomomi Fujii, Keiji Shimada, Tokiko Nakai, Chiho Ohbayashi
Long-term heavy cigarette smoking is a well-known high-risk factor for carcinogenesis in various organs such as the head and neck, lungs, and urinary bladder. Furthermore, cigarette smoking can systemically accelerate aging, and as the result, promoting carcinogenesis via changing the host microenvironment. Various inflammatory factors, hormones, and chemical mediators induced by smoking mediate carcinoma-related molecules and induce carcinogenesis. MicroRNAs (miRNAs) are a family of short noncoding RNA molecules that bind to mRNAs and inhibit their expression...
May 1, 2018: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/29721181/near-infrared-photoimmunotherapy-targeting-bladder-cancer-with-a-canine-anti-epidermal-growth-factor-receptor-egfr-antibody
#9
Tadanobu Nagaya, Shuhei Okuyama, Fusa Ogata, Yasuhiro Maruoka, Deborah W Knapp, Sophia N Karagiannis, Judit Fazekas-Singer, Peter L Choyke, Amy K LeBlanc, Erika Jensen-Jarolim, Hisataka Kobayashi
Anti-epidermal growth factor receptor (EGFR) antibody therapy is used in EGFR expressing cancers including lung, colon, head and neck, and bladder cancers, however results have been modest. Near infrared photoimmunotherapy (NIR-PIT) is a highly selective tumor treatment that employs an antibody-photo-absorber conjugate which is activated by NIR light. NIR-PIT is in clinical trials in patients with recurrent head and neck cancers using cetuximab-IR700 as the conjugate. However, its use has otherwise been restricted to mouse models...
April 10, 2018: Oncotarget
https://www.readbyqxmd.com/read/29701711/anti-egfr-indocyanine-green-mitomycin-c-loaded-perfluorocarbon-double-nanoemulsion-a-novel-nanostructure-for-targeted-photochemotherapy-of-bladder-cancer-cells
#10
Yu-Hsiang Lee, Yu-Chun Lin
The use of phototherapy as an adjuvant bladder cancer treatment has long been considered, but its application has been severely hampered due to a lack of tumor specificity, unpredicted cytotoxicity, and insufficient anticancer efficacy. In this study, we aim to manufacture anti-EGFR indocyanine green (ICG) mitomycin C (MMC) encapsulated perfluorocarbon double nanoemulsions (EIMPDNEs), and explore their photochemotherapeutic efficacy on EGFR-expressing bladder cancer cells in vitro. The EIMPDNEs were manufactured using a double emulsification technique followed by antibody conjugation on the particles’ surfaces...
April 26, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29681821/genomic-profiling-of-two-histologically-distinct-rare-urothelial-cancers-in-a-clinical-setting-to-identify-potential-therapeutic-options-for-treatment-and-management-of-disease
#11
Andrew N Hesse, William Fabricius, Christian A Thomas, Ramesh Gaindh, Robert Christman, Pavalan Selvam, Matthew Prego, Gregory Lewis, Jasmina Uvalic, Daniel Bergeron, Shelbi Burns, Bridgette Sisson, Kevin Kelly, Jens Rueter, Honey V Reddi
Molecular profiling of urothelial cancers for therapeutic and prognostic potential has been very limited due to the absence of cancer-specific targeted therapies. We describe here 2 clinical cases with a histological diagnosis of an invasive sarcomatoid and a poorly differentiated carcinoma favoring urothelial with some neuroendocrine differentiation, two of the rarer types of urothelial cancers, which were evaluated for mutations in 212 genes for single-nucleotide variants and copy-number variants and 53 genes for fusions associated with solid tumors...
January 2018: Case Reports in Oncology
https://www.readbyqxmd.com/read/29681775/does-itv-vaginal-procedure-ensure-dosimetric-coverage-during-imrt-of-post-operative-gynaecological-tumours-without-instructions-concerning-rectal-filling
#12
Ramona Verges, Alexandra Giraldo, Alejandro Seoane, Elisabet Toral, M Carmen Ruiz, Ariadna Pons, Jordi Giralt
Aim: To find out whether the internal target volume (ITV) vaginal procedure ensures dosimetric coverage during intensity-modulated radiation therapy (IMRT) of post-operative gynaecological tumours without instructions on rectal filling. Background: The ITV vaginal procedure does not necessarily include all movements of the bladder, and does not include changes in the rectal volume. We should know if the vaginal ITV is a useful tool in maintaining CTV coverage during treatment...
March 2018: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/29673906/interest-of-next-generation-sequencing-in-bcg-treated-high-risk-bladder-cancer
#13
C Jungels, N Martinez Chanza, S Albisinni, M Mercier, N d'Haene, S Rorive, T Roumeguère
OBJECTIVES: There are only few predictive factors for response of non-musculo-invasive bladder cancer (NMIBC) to Bacillus Calmette-Guérin (BCG) therapy. Our study analyzed the results of the sequencing of new generation (NGS) targeted on 50 genes of oncological interest obtained on bladder resection parts in high-risk NMIBC patients treated with BCG, to describe this population from a molecular point of view and try to correlate these results in patients who present or not recurrence after BCG...
April 16, 2018: Progrès en Urologie
https://www.readbyqxmd.com/read/29672836/pathogenic-and-targetable-genetic-alterations-in-70-urachal-adenocarcinomas
#14
Henning Reis, Kristan E van der Vos, Christian Niedworok, Thomas Herold, Orsolya Módos, Attila Szendrői, Thomas Hager, Marc Ingenwerth, Daniël J Vis, Mark A Behrendt, Jeroen de Jong, Michiel S van der Heijden, Benoit Peyronnet, Romain Mathieu, Marcel Wiesweg, Jason Ablat, Krzysztof Okon, Yuri Tolkach, David Keresztes, Nikolett Nagy, Felix Bremmer, Nadine T Gaisa, Piotr Chlosta, Joerg Kriegsmann, Ilona Kovalszky, József Timar, Glen Kristiansen, Heinz-Joachim Radzun, Ruth Knüchel, Martin Schuler, Peter Black, Herbert Rübben, Boris Hadaschik, Kurt Werner Schmid, Bas W G van Rhijn, Péter Nyirády, Tibor Szarvas
Urachal cancer (UrC) is a rare but aggressive malignancy often diagnosed in advanced stages requiring systemic treatment. Although cytotoxic chemotherapy is of limited effectiveness, prospective clinical studies can hardly be conducted. Targeted therapeutic treatment approaches and potentially immunotherapy based on a biological rationale may provide an alternative strategy. We therefore subjected 70 urachal adenocarcinomas to targeted next-generation sequencing, conducted in situ and immunohistochemical analyses (including PD-L1 and DNA mismatch repair proteins (MMR)) and evaluated the microsatellite instability (MSI) status...
April 19, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29665832/volumetric-and-dosimetric-comparison-of-organs-at-risk-between-the-prone-and-supine-positions-in-postoperative-radiotherapy-for-prostate-cancer
#15
Subaru Sawayanagi, Hideomi Yamashita, Mami Ogita, Tomoki Kiritoshi, Takahiro Nakamoto, Osamu Abe, Keiichi Nakagawa
BACKGROUND: The aim of this study was to evaluate the effects of patient positioning on the volume of organs at risk (OARs) in or near the planning target volume (PTV) and the dose distribution in adjuvant or salvage radiotherapy for prostate cancer after prostatectomy. METHODS: Seventeen patients who received intensity-modulated radiation therapy (66 Gy in 33 fractions) as adjuvant or salvage therapy after prostatectomy were evaluated. All patients underwent CT scans in both the prone (on a belly board) and supine positions...
April 17, 2018: Radiation Oncology
https://www.readbyqxmd.com/read/29580032/comparative-evaluation-of-a-6mv-flattened-beam-and-a-flattening-filter-free-beam-for-carcinoma-of-cervix-%C3%A2-imrt-planning-study
#16
Suresh Tamilarasu, Madeswaran Saminathan, S K Sharma, Anjali Pahuja, Abhinav Dewan
Purpose: Intensity modulated radiotherapy (IMRT) plan quality, beam on time and integral dose were compared using 6MV FB (Flattened Beam) and FFFB (Flattening filter free beam) for carcinoma of cervix. Materials and Methods: Ten patients with stage II–IIIB cervix cancer (Ca.Cx) were retrospectively identified from the department database. Target volume (TV) and organ at risk (OAR) were delineated as per Radiation Therapy Oncology Group (RTOG) cancer guidelines. Dose prescribed to planning target volume (PTV) was 50...
March 27, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29577645/a-novel-monoclonal-antibody-kmp1-has-potential-antitumor-activity-of-bladder-cancer-by-blocking-cd44-in-vivo-and-in-vitro
#17
Yujin Chen, Haifeng Wang, Yigang Zuo, Ning Li, Mingxia Ding, Chong Li
Bladder cancer becomes a serious medical and social concern due to its high recurrence and mortality rates. Thus, it is urgent to search a novel prognostic biomarker and targeted therapy with high sensitivity and specificity. In this study, we used the human bladder cancer cell line EJ as an immunogen to generate a novel mouse monoclonal antibody KMP1 that specifically bound to bladder cancer, and then, the antitumor effect of KMP1 against bladder cancer was investigated both in vivo and in vitro. The results showed that expression of the KMP1 epitope is consistent with clinical severity and prognosis of bladder cancer...
March 25, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29559853/lncrna-xist-mir-200c-regulates-the-stemness-properties-and-tumourigenicity-of-human-bladder-cancer-stem-cell-like-cells
#18
Ran Xu, Xuan Zhu, Fangzhi Chen, Changkun Huang, Kai Ai, Hongtao Wu, Lei Zhang, Xiaokun Zhao
Background: The abnormal expression of non-coding RNAs (ncRNAs), such as microRNAs and long ncRNAs, often contribute to the development of cancers. miR-200c functions as a tumour suppressor that impacts the growth of bladder cancer cells and the epithelial-to-mesenchymal transition (EMT). LncRNA X inactive specific transcript (XIST) is highly expressed in tumour tissues, promotes cancer progression and might act as an miRNA molecular sponge. This study aimed to examine the relationship between lncRNA XIST and miR-200c and to assess their functions in the regulation of the stemness properties and tumourigenicity of human bladder cancer stem cell (BCSC)-like cells...
2018: Cancer Cell International
https://www.readbyqxmd.com/read/29541812/-18-f-psma-1007-pet-ct-at-60-and-120-minutes-in-patients-with-prostate-cancer-biodistribution-tumour-detection-and-activity-kinetics
#19
Kambiz Rahbar, Ali Afshar-Oromieh, Martin Bögemann, Stefan Wagner, Michael Schäfers, Lars Stegger, Matthias Weckesser
PURPOSE: PSMA-targeted PET in patients with prostate cancer (PCa) has a significant impact on treatment decisions. By far the most frequently used PSMA ligand is 68 Ga-labelled PSMA-11. However, due to the availability of larger amounts of activity, 18 F-labelled PSMA ligands are of major interest. The aim of the present study was to evaluate the biodistribution and performance of the novel 18 F-labelled ligand PSMA-1007 at two different time points. METHODS: This retrospective analysis included 40 consecutive patients (mean age 68...
March 14, 2018: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29531838/chemotherapy-in-cancer-patients-undergoing-haemodialysis-a-nationwide-study-in-japan
#20
Taro Funakoshi, Takahiro Horimatsu, Michio Nakamura, Koichi Shiroshita, Koichi Suyama, Masashi Mukoyama, Takuro Mizukami, Tsutomu Sakurada, Eishi Baba, Kazuhiko Tsuruya, Akira Nozaki, Kensei Yahata, Yukinori Ozaki, Yoshifumi Ubara, Hisateru Yasui, Akihiro Yoshimoto, Shingo Fukuma, Naoya Kondo, Takeshi Matsubara, Kazuo Matsubara, Shunichi Fukuhara, Motoko Yanagita, Manabu Muto
Background: Cancer is a major cause of death in patients undergoing haemodialysis. However, information about the actual clinical practice of chemotherapy for patients with cancer undergoing haemodialysis is lacking. We conducted a nationwide survey using questionnaires on the clinical practice of chemotherapy for such patients. Patients and methods: The nationwide survey included patients undergoing haemodialysis who were subsequently diagnosed with cancer in 20 hospitals in Japan from January 2010 to December 2012...
2018: ESMO Open
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