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https://www.readbyqxmd.com/read/28531881/first-in-man-dose-escalation-and-pharmacokinetic-study-of-cap7-1-a-novel-prodrug-of-etoposide-in-adults-with-refractory-solid-tumours
#1
U Keilholz, L Rohde, P Mehlitz, M Knoedler, A Schmittel, V Kümmerlen, K Klinghammer, P Treasure, M Lassus, G Steventon, M Machacek, N Utku
AIM: An open-label, phase I dose-escalation trial was performed in adult patients with various solid cancers to identify the maximum tolerated dose (MTD), to assess the safety, pharmacokinetic profile and anti-tumour activity of the new prodrug CAP7.1. The prodrug is converted to its active moiety etoposide via carboxylesterases in selective cells leading to a better tolerability and higher efficacy in therapeutic resistance cells and children with refractory neuroblastoma. PATIENTS AND METHODS: Eligible adult patients with advanced, refractory, solid malignancies received CAP7...
May 19, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28531107/analysis-of-gene-expression-signatures-in-cancer-associated-stroma-from-canine-mammary-tumours-reveals-molecular-homology-to-human-breast-carcinomas
#2
Julia Ettlin, Elena Clementi, Parisa Amini, Alexandra Malbon, Enni Markkanen
Cancer-associated stroma (CAS) plays a key role in cancer initiation and progression. Spontaneously occurring canine mammary carcinomas are viewed as excellent models of human breast carcinomas. Considering the importance of CAS for human cancer, it likely plays a central role in canine tumours as well. So far, however, canine CAS lacks characterisation, and it remains unclear whether the biology between CAS from canine and human tumours is comparable. In this proof-of-principle study, using laser-capture microdissection, we isolated CAS and normal stroma from 13 formalin-fixed paraffin embedded canine simple mammary carcinomas and analysed the expression of seven known human CAS markers by RT-qPCR (Reverse Transcription quantitative PCR) and validated some targets by immunohistochemistry...
May 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28530657/normal-and-cancerous-mammary-stem-cells-evade-interferon-induced-constraint-through-the-mir-199a-lcor-axis
#3
Toni Celià-Terrassa, Daniel D Liu, Abrar Choudhury, Xiang Hang, Yong Wei, Jose Zamalloa, Raymundo Alfaro-Aco, Rumela Chakrabarti, Yi-Zhou Jiang, Bong Ihn Koh, Heath A Smith, Christina DeCoste, Jun-Jing Li, Zhi-Ming Shao, Yibin Kang
Tumour-initiating cells, or cancer stem cells (CSCs), possess stem-cell-like properties observed in normal adult tissue stem cells. Normal and cancerous stem cells may therefore share regulatory mechanisms for maintaining self-renewing capacity and resisting differentiation elicited by cell-intrinsic or microenvironmental cues. Here, we show that miR-199a promotes stem cell properties in mammary stem cells and breast CSCs by directly repressing nuclear receptor corepressor LCOR, which primes interferon (IFN) responses...
May 22, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28522279/-stereotactic-lung-radiotherapy-technical-setting-up-on-novalis-tx-%C3%A2-and-single-centre-prospective-study-of-the-100-first-malignant-pulmonary-nodules-treated-at-centre-jean-perrin
#4
A Bellière-Calandry, G Dupic, F Magnier, V Chassin, V Dedieu, M Lapeyre
PURPOSE: Description of the treatment technique of stereotactic lung radiotherapy on Novalis Tx(®) and prospective study of the first 100 pulmonary nodules treated at centre Jean-Perrin (France). MATERIAL AND METHODS: From October 2012 to December 2015, 100 inoperable pulmonary nodules (62 stage I non-small-cell lung cancer and 38 metastases) of 90 patients with a mean age of 68.2 years (range: 46-89 years) were prospectively treated with dynamic arctherapy on Novalis Tx(®)...
May 15, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28515673/growth-of-mcf-7-breast-cancer-cells-and-efficacy-of-anti-angiogenic-agents-in-a-hydroxyethyl-chitosan-glycidyl-methacrylate-hydrogel
#5
Hejing Wang, Junmin Qian, Yaping Zhang, Weijun Xu, Juxiang Xiao, Aili Suo
BACKGROUND: Breast cancer negatively affects women's health worldwide. The tumour microenvironment plays a critical role in tumour initiation, proliferation, and metastasis. Cancer cells are traditionally grown in two-dimensional (2D) cultures as monolayers on a flat solid surface lacking cell-cell and cell-matrix interactions. These experimental conditions deviate from the clinical situation. Improved experimental systems that can mimic the in vivo situation are required to discover new therapies, particularly for anti-angiogenic agents that mainly target intercellular factors and play an essential role in treating some cancers...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28512504/a-case-report-of-drug-induced-myopathy-involving-extraocular-muscles-after-combination-therapy-with-tremelimumab-and-durvalumab-for-non-small-cell-lung-cancer
#6
William Carrera, Brandon J Baartman, Gregory Kosmorsky
Recently developed anti-tumour therapies targeting immune checkpoints include tremelimumab and durvalumab. These agents have incompletely characterised side effect profiles. The authors report a 68-year-old man treated for non-small cell lung cancer (NSCLC) with a combination of tremelimumab and durvalumab. After treatment he developed diplopia, ptosis, fatigue, weakness, and an inflammatory myopathy affecting the extraocular muscles requiring hospitalisation. Electromyography (EMG) testing and muscle biopsy suggested inflammatory myopathy without sign of myasthenia...
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28511869/markers-of-the-p53-pathway-further-refine-molecular-profiling-in-high-risk-endometrial-cancer-a-transportec-initiative
#7
R J Edmondson, E J Crosbie, M Nickkho-Amiry, A Kaufmann, E Stelloo, H W Nijman, A Leary, A Auguste, L Mileshkin, P Pollock, H J MacKay, M E Powell, T Bosse, C L Creutzberg, H C Kitchener
BACKGROUND: The morphological classification of high-risk endometrial cancer is of limited prognostic value. Recent attempts to stratify tumours according to molecular signatures have shown considerable promise. Here we attempted to further refine molecular classifications using markers of the p53 pathway. METHODS: We analysed the expression of p53 as well as three downstream markers of the p53 pathway, p21, mdm2 and phospho-p63 (pp63), by immunohistochemistry in a series of 114 endometrial cancers (86 endometrioid, 28 non-endometrioid subtype) with high-risk features (such as high tumour grade and deep myometrial invasion) and correlated results with clinical outcome...
May 13, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28511222/cellular-angiofibroma-of-the-spermatic-cord
#8
M Aydin, H Uzuner, E Akgunes, A Bitkin, M Kadihasanoglu
Cellular angiofibromas are rare, slow-growing mesenchymal tumours, most often localised in the vulva and perineum of women. We present a case of a 60-year-old male with a 7-cm large cellular angiofibroma in the inguinal canal extending toward the testis, detected after inguinal herniorraphy. Inguinal orchiectomy was performed and the pathology report revealed a cellular angiofibroma containing a lot of mast cells in the stroma, which was collagenised with spindle-shaped cells and characterised by hyalinised vascular structures...
April 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28507714/targeting-the-tumour-microenvironment-with-an-enzyme-responsive-drug-delivery-system-for-the-efficient-therapy-of-breast-and-pancreatic-cancers
#9
Brigitte Renoux, Florian Raes, Thibaut Legigan, Elodie Péraudeau, Balkis Eddhif, Pauline Poinot, Isabelle Tranoy-Opalinski, Jérôme Alsarraf, Oleksandr Koniev, Sergii Kolodych, Stéphanie Lerondel, Alain Le Pape, Jonathan Clarhaut, Sébastien Papot
The development of novel therapeutic strategies allowing the destruction of tumour cells while sparing healthy tissues is one of the main challenges of cancer chemotherapy. Here, we report on the design and antitumour activity of a low-molecular-weight drug delivery system programmed for the selective release of the potent monomethylauristatin E in the tumour microenvironment of solid tumours. After intravenous administration, this compound binds covalently to plasmatic albumin through Michael addition, thereby enabling its passive accumulation in tumours where extracellular β-glucuronidase initiates the selective release of the drug...
May 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28507339/efficacy-and-tolerability-of-chemotherapy-in-chinese-patients-with-aids-related-burkitt-lymphoma-and-diffuse-large-b-cell-lymphoma-an-observational-study
#10
Jiang Xiao, Shuxu Du, Guorui Dai, Guiju Gao, Di Yang, Hongxin Zhao
We evaluated the efficacy and tolerability of chemotherapy in HIV-infected patients with diffuse large B-cell lymphoma (DLBCL) receiving CHOP ± R (n = 17) or Burkitt lymphoma (BL) receiving CODOX-M/IVAC ± R (n = 15). The study was conducted in Beijing Ditan Hospital from January 2009 to August 2015. The following grade 4 adverse effects were observed in BL and DLBCL patients, respectively: neutropenia (80% versus 47.1%), anaemia (46.7% versus 5.9%), thrombocytopenia (53.3% versus 11.8%), bacterial pneumonia (33...
May 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28503995/preparation-and-characterization-of-surface-modified-plga-polymeric-nanoparticles-used-to-target-treatment-of-intestinal-cancer
#11
Niyaz Ahmad, Md Aftab Alam, Rizwan Ahmad, Atta Abbas Naqvi, Farhan Jalees Ahmad
Docetaxel (DTX), a cytotoxic taxane, is a poor water-soluble drug and exhibits less oral bioavailability. Current research investigates the effective transport, for DTX-loaded chitosan (CS)-coated-poly-lactide-co-glycolide (PLGA)-nanoparticles (NPs) (DTX-CS-PLGA-NPs) and DTX-PLGA-NPs as well as a novel third-generation P-gp inhibitor i.e. GF120918 (Elacridar), across intestinal epithelium with its successive uptake by the tumour cells in an in vitro model. The prepared NPs showed a spherical shape particle size i...
May 14, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28502483/a-case-report-of-wound-site-seeding-following-cholecystectomy-for-dysplastic-gallbladder
#12
Y Annalisa Ng, Qing Ting Tan, Wei Keat Wan, Yaw Chong Goh
Wound site metastasis following cholecystectomy is an uncommon but well recognised complication following laparoscopic surgery for unsuspected gallbladder carcinoma. We describe a case of implantation of dysplastic cells with subsequent malignant transformation at the incision site 3 years post-cholecystectomy for an inflamed gallbladder. Histopathological examination of this tumour confirmed adenocarcinoma of pancreatobiliary origin, possibly secondary to gallbladder cells implantation and subsequent carcinomatous change...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28501939/dianthin-30-or-gelonin-versus-monomethyl-auristatin-e-each-configured-with-an-anti-calcitonin-receptor-antibody-are-differentially-potent-in-vitro-in-high-grade-glioma-cell-lines-derived-from-glioblastoma
#13
Roger Gilabert-Oriol, Sebastian G B Furness, Brett W Stringer, Alexander Weng, Hendrik Fuchs, Bryan W Day, Angela Kourakis, Andrew W Boyd, David L Hare, Mayank Thakur, Terrance G Johns, Peter J Wookey
We have reported that calcitonin receptor (CTR) is widely expressed in biopsies from the lethal brain tumour glioblastoma by malignant glioma and brain tumour-initiating cells (glioma stem cells) using anti-human CTR antibodies. A monoclonal antibody against an epitope within the extracellular domain of CTR was raised (mAb2C4) and chemically conjugated to either plant ribosome-inactivating proteins (RIPs) dianthin-30 or gelonin, or the drug monomethyl auristatin E (MMAE), and purified. In the high-grade glioma cell line (HGG, representing glioma stem cells) SB2b, in the presence of the triterpene glycoside SO1861, the EC50 for mAb2C4:dianthin was 10...
May 13, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28500491/hyperfractionated-accelerated-radiation-therapy-plus-cetuximab-plus-cisplatin-chemotherapy-in-locally-advanced-inoperable-squamous-cell-carcinoma-of-the-head-and-neck-final-5%C3%A2-year-results-of-a-phase%C3%A2-ii-study
#14
Thomas Kuhnt, Andreas Schreiber, Anett Pirnasch, Matthias G Hautmann, Peter Hass, Frank P Sieker, Rita Engenhart-Cabillic, Michael Richter, Kathrin Dellas, Jürgen Dunst
BACKGROUND: Cetuximab (CET) is a potent inhibitor of the epidermal growth factor receptor and has been shown to have activity in squamous cell carcinoma of the head and neck (SCCHN). We conducted a single-arm phase II trial of a combination therapy comprising cisplatin (CIS), CET and hyperfractionated accelerated radiotherapy (HART). PATIENTS AND METHODS: Patients with UICC stage III or IVA/B, M0 SCCHN were enrolled and treated with an initial dose of CET (400 mg/m(2)) and then with a weekly dosage of 250 mg/m(2) during HART...
May 12, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28498468/microrna-379-5p-plays-a-tumor-suppressive-role-in-human-bladder-cancer-growth-and-metastasis-by-directly-targeting-mdm2
#15
Deyao Wu, Xiaobing Niu, Jun Tao, Pengchao Li, Qiang Lu, Aiming Xu, Wei Chen, Zengjun Wang
Bladder cancer is the second most common urological malignancy in the US and is the most frequently diagnosed urological malignancy in China. An increasing amount of evidence indicates that microRNAs perform extremely important functions in many biological processes related to the formation and progression of cancers, including bladder cancer. Previous studies have reported that microRNA‑379-5p (miR-379-5p) is involved in tumour initiation and development in human cancers. However, the expression pattern, biological functions and the underlying mechanisms of miR-379-5p in bladder cancer remain unknown...
April 27, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28494997/multiple-model-predictive-control-for-optimal-drug-administration-of-mixed-immunotherapy-and-chemotherapy-of-tumours
#16
N Sharifi, S Ozgoli, A Ramezani
BACKGROUND: Mixed immunotherapy and chemotherapy of tumours is one of the most efficient ways to improve cancer treatment strategies. However, it is important to 'design' an effective treatment programme which can optimize the ways of combining immunotherapy and chemotherapy to diminish their imminent side effects. Control engineering techniques could be used for this. METHODS: The method of multiple model predictive controller (MMPC) is applied to the modified Stepanova model to induce the best combination of drugs scheduling under a better health criteria profile...
June 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28494483/the-cost-of-major-head-and-neck-cancer-surgery
#17
Rahul Jayakar, Jenny Choi, Craig MacKinnon, Swee Tan
AIM: This study quantified the cost of major head and neck cancer (HNC) surgery. METHODS: Consecutive patients undergoing major HNC surgery between July 2007 and June 2012 were identified from our head and neck database. Patient demographics, tumour type, site, stage and types of resection and reconstruction, length of stay and surgical complications occurring within six months of initial surgery were retrospectively analysed. The actual cost of initial surgical treatment and hospital income were calculated...
May 12, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28490924/improving-molecular-testing-and-personalized-medicine-in-non-small-cell-lung-cancer-in-ontario
#18
C Lim, H S Sekhon, J C Cutz, D M Hwang, S Kamel-Reid, R F Carter, G da Cunha Santos, T Waddell, M Binnie, M Patel, N Paul, T Chung, A Brade, R El-Maraghi, C Sit, M S Tsao, N B Leighl
BACKGROUND: Although molecular testing has become standard in managing advanced nonsquamous non-small-cell lung cancer (nsclc), most patients undergo minimally invasive procedures, and the diagnostic tumour specimens available for testing are usually limited. A knowledge translation initiative to educate diagnostic specialists about sampling techniques and laboratory processes was undertaken to improve the uptake and application of molecular testing in advanced lung cancer. METHODS: A multidisciplinary panel of physician experts including pathologists, respirologists, interventional thoracic radiologists, thoracic surgeons, medical oncologists, and radiation oncologists developed a specialty-specific education program, adapting international clinical guidelines to the local Ontario context...
April 2017: Current Oncology
https://www.readbyqxmd.com/read/28486536/stratification-of-clear-cell-renal-cell-carcinoma-ccrcc-genomes-by-gene-directed-copy-number-alteration-cna-analysis
#19
H-J Thiesen, F Steinbeck, M Maruschke, D Koczan, B Ziems, O W Hakenberg
Tumorigenic processes are understood to be driven by epi-/genetic and genomic alterations from single point mutations to chromosomal alterations such as insertions and deletions of nucleotides up to gains and losses of large chromosomal fragments including products of chromosomal rearrangements e.g. fusion genes and proteins. Overall comparisons of copy number alterations (CNAs) presented in 48 clear cell renal cell carcinoma (ccRCC) genomes resulted in ratios of gene losses versus gene gains between 26 ccRCC Fuhrman malignancy grades G1 (ratio 1...
2017: PloS One
https://www.readbyqxmd.com/read/28484296/effects-of-treatment-of-uterine-cervical-carcinoma-monitored-by-magnetic-resonance-imaging-sarajevo-experience
#20
Amela Sofic, Azra Husic-Selimovic, Nermina Beslic, Azra Rasic, Dzenana Begic, Anja Tomic-Cica, Nejira Imsirevic
GOAL: The goal of this study was the determination of the effects in treatment of early stage (<IIB) and locally advanced stages (≥IIB) of uterine cervical carcinoma by using MRI. MATERIAL AND METHODS: The study was a prospective, comparative, analytical, and observational and included 74 patients with cervical cancer (PH confirmed). All 74 patients have initially gone through the pre-therapeutic MRI to determine the tumour FIGO stage. At a renewal of the initial MRI findings, patients were divided into two study groups: group A and group B...
March 2017: Acta Informatica Medica: AIM
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