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https://www.readbyqxmd.com/read/29158674/skin-derived-mesenchymal-stem-cells-as-quantum-dot-vehicles-to-tumors
#1
Dominyka Dapkute, Simona Steponkiene, Danute Bulotiene, Liga Saulite, Una Riekstina, Ricardas Rotomskis
Purpose: Cell-mediated delivery of nanoparticles is emerging as a new method of cancer diagnostics and treatment. Due to their inherent regenerative properties, adult mesenchymal stem cells (MSCs) are naturally attracted to wounds and sites of inflammation, as well as tumors. Such characteristics enable MSCs to be used in cellular hitchhiking of nanoparticles. In this study, MSCs extracted from the skin connective tissue were investigated as transporters of semiconductor nanocrystals quantum dots (QDs)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29156750/somatic-mutations-in-cdh1-and-ctnnb1-in-primary-carcinomas-at-13-anatomic-sites
#2
Evan L Busch, Jason L Hornick, Renato Umeton, Adem Albayrak, Neal I Lindeman, Laura E MacConaill, Elizabeth P Garcia, Matthew Ducar, Timothy R Rebbeck
Metastases are involved in most cancer deaths. Evidence has suggested that cancer cell detachment from primary tumors might occur largely via the mechanism of epithelial-mesenchymal transition (EMT) activated by epigenetic events, but data addressing other possible triggers of detachment, particularly genetic mutations, have been limited. Using the Profile study of cancer genomics at Dana-Farber Cancer Institute, we examined somatic mutations in the EMT genes CDH1 in 5,106 primary carcinomas and CTNNB1 in 7,578 primary carcinomas across 13 anatomic sites: urinary bladder, breast, colon/rectum, endometrium, esophagus, kidney, lung, ovary, pancreas, prostate, skin (non-melanoma), stomach, and thyroid...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155498/global-impact-of-nephropathies
#3
REVIEW
Philip Kam-Tao Li, Terry King-Wing Ma
The global burden of chronic kidney disease (CKD) has increased substantially in recent years, partly attributed to the global epidemic of diabetes mellitus. In many countries including China, glomerulonephritis was the most common cause of end stage renal disease (ESRD). The mortality rate of dialysis patients can be as high as patients with colon, breast and prostate cancers. CKD has important socio-economic impact on the healthcare system and society. Increasing awareness and early detection of CKD cannot be overemphasized...
December 2017: Nephrology
https://www.readbyqxmd.com/read/29155017/p-glycoprotein-mdr1-abcb1-and-breast-cancer-resistance-protein-bcrp-abcg2-affect-brain-accumulation-and-intestinal-disposition-of-encorafenib-in-mice
#4
Jing Wang, Changpei Gan, Rolf W Sparidans, Els Wagenaar, Stéphanie van Hoppe, Jos H Beijnen, Alfred H Schinkel
Encorafenib (LGX818) is a promising BRAF(V600E) inhibitor that has efficacy against metastatic melanoma. To better understand its pharmacokinetics, we studied its interactions with the multidrug efflux transporters ABCB1 and ABCG2 and the multidrug metabolizing enzyme CYP3A. In polarized MDCK-II cells, encorafenib was efficiently transported by canine and human ABCB1 and ABCG2 and by mouse Abcg2. Upon oral administration to wild-type, Abcb1a/1b(-/-), Abcg2(-/-), and Abcb1a/1b;Abcg2(-/-) mice, encorafenib was absorbed very quickly and to very high plasma levels, but without clear changes in oral availability between the strains...
November 14, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29154802/microrna-profiling-in-mda-mb-231-human-breast-cancer-cell-exposed-to-the-phaleria-macrocarpa-boerl-fruit-ethyl-acetate-fraction-pmeaf-through-iilumina-hi-seq-technologies-and-various-in-silico-bioinformatics-tools
#5
Nowroji Kavitha, Soundararajan Vijayarathna, Shanmugapriya, Chern Ein Oon, Yeng Chen, Jagat R Kanwar, Vasu Punj, Sreenivasan Sasidharan
ETHNOPHARMACOLOGICAL RELEVANCE: Phaleria macrocarpa (Scheff) Boerl, is a famous traditional medicinal plant which exhibited cytotoxicity against various cancerous cells. Traditionally, P. macrocarpa has been used to control cancer, impotency, hemorrhoids, diabetes mellitus, allergies, liver and heart disease, kidney disorders, blood diseases, acne, stroke, migraine, and various skin diseases. AIM OF THE STUDY: Recent studies have demonstrated a potent anticancer potential of P...
November 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29146695/first-in-human-her2-targeted-imaging-using-89-zr-pertuzumab-pet-ct-dosimetry-and-clinical-application-in-patients-with-breast-cancer
#6
Gary A Ulaner, Serge K Lyashchenko, Christopher Riedl, Shutian Ruan, Pat B Zanzonico, Diana Lake, Komal Jhaveri, Brian Zeglis, Jason S Lewis, Joseph A O'Donoghue
In this first-in-human study, we evaluate the safety and dosimetry of (89)Zr-pertuzumab PET/CT for HER2-targeted imaging in patients with HER2-postive breast cancer. Materials and Methods: Patients with HER2-positive breast cancer and evidence of distant metastases were enrolled in an Institutional Review Board (IRB)-approved prospective clinical trial. Pertuzumab was conjugated with deferoxamine and radiolabeled with (89)Zr. Patients underwent (89)Zr-pertuzumab PET/CT with 74 MBq of (89)Zr-pertuzumab in a total antibody mass of 20-50 mg of pertuzumab...
November 16, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29145841/rehabilitation-for-cancer-patients-at-black-lion-hospital-addis-ababa-ethiopia-a-cross-sectional-study
#7
Teshager Worku, Zuriash Mengistu, Agumasie Semahegn, Gezahegn Tesfaye
BACKGROUND: In Ethiopia, there were greater than 2000 adult and 200 pediatric cancer patients annually in 2010, but the estimated number of cancer patients were increasing. Oncologic rehabilitation treatment may result in improved physical and mental impairment. There is a paucity of information about rehabilitation service utilization among cancer patients in Ethiopia. Hence, the purpose of this study was to assess the rehabilitation service for cancer patient and associated factors at Black Lion hospital, Addis Ababa, Ethiopia...
November 16, 2017: BMC Palliative Care
https://www.readbyqxmd.com/read/29144788/panchakola-reduces-oxidative-stress-in-mcf-7-breast-cancer-and-hek293-cells
#8
Tooba Naz Shamsi, Romana Parveen, Sadaf Fatima
A large number of studies have proven the efficacy of ayurveda in the field of health and wellness. Panchakola, an ayurvedic formulation, is a general health tonic primarily used to cure fever, inflammation, pain, indigestion, and so on. We investigated effects of panchakola on oxidative stress in MCF-7 breast cancer and human embryonic kidney 293 (HEK293) cells. This work was performed to assess the antineoplastic and free radical-scavenging potential of aqueous extract of panchakola, a polyherbal formulation, in normal and breast cancer cell lines (i...
November 16, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29142626/resection-and-observation-for-brain-metastasis-without-prompt-postoperative-radiation-therapy
#9
Tae-Wook Song, In-Young Kim, Shin Jung, Tae-Young Jung, Kyung-Sub Moon, Woo-Youl Jang
Objective: Total resection without consecutive postoperative whole brain radiation therapy is indicated for patients with a single or two sites of brain metastasis, with close follow-up by serial magnetic resonance imaging (MRI). In this study, we explored the effectiveness, usefulness, and safety of this follow-up regimen. Methods: From January 2006 to December 2015, a total of 109 patients (76 males, 33 females) underwent tumor resection as the first treatment for brain metastases (97 patients with single metastases, 12 with two metastases)...
November 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29142410/methanolic-extract-of-costus-pictus-d-don-induces-cytotoxicity-in-liver-hepatocellular-carcinoma-cells-mediated-by-histone-deacetylase-inhibition
#10
P V Neethu, K Suthindhiran, M A Jayasri
Background: Leaves of Costus pictus D. Don, (insulin plant) are used as dietary supplement for the treatment of diabetes. Objective: The antidiabetic activity of this plant is well documented, but its activity on different cell types and mechanism remains unknown. Thus, the present study evaluates the cytotoxicity of C. pictus methanolic extract (CPME) against various cancer and normal cells. Materials and Methods: Dried leaves of C. pictus were extracted using methanol and were subjected to histone deacetylase (HDAC) inhibition and toxicity studies...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29139616/raft-polymerization-for-the-synthesis-of-tertiary-amine-based-diblock-copolymer-nucleic-acid-delivery-vehicles
#11
Annie K McClellan, Taisen Hao, Tracy A Brooks, Adam E Smith
The synthesis and characterization of a family of nine pH-responsive, diblock copolymers designed to effectively deliver nucleic acids are reported. The stabilizing A block is comprised of an oligo(ethylene glycol) methyl ether methacrylate to impart water solubility. The cationic blocks of varying degrees of polymerization (DPs) are derived from three pH responsive, tertiary amine-containing methacrylates capable of complexing negatively charged nucleic acids. The cytotoxicity studies utilizing human embryonic kidney cells (HEK-293) and Michigan Cancer Foundation-7 (MCF-7) breast cancer cells indicate no decrease of cell viability with the diblock copolymers, with the exception of the two highest DPs of the cationic blocks with ethyl-substitutes tertiary amine...
November 15, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/29136407/phospholipase-d-inhibitors-reduce-human-prostate-cancer-cell-proliferation-and-colony-formation
#12
Amanda R Noble, Norman J Maitland, Daniel M Berney, Martin G Rumsby
BACKGROUND: Phospholipases D1 and D2 (PLD1/2) hydrolyse cell membrane glycerophospholipids to generate phosphatidic acid, a signalling lipid, which regulates cell growth and cancer progression through effects on mTOR and PKB/Akt. PLD expression and/or activity is raised in breast, colorectal, gastric, kidney and thyroid carcinomas but its role in prostate cancer (PCa), the major cancer of men in the western world, is unclear. METHODS: PLD1 protein expression in cultured PNT2C2, PNT1A, P4E6, LNCaP, PC3, PC3M, VCaP, 22RV1 cell lines and patient-derived PCa cells was analysed by western blotting...
November 14, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29135571/validation-of-cancer-cases-using-primary-care-cancer-registry-and-hospitalization-data-in-the-uk
#13
Andrea V Margulis, Joan Fortuny, James A Kaye, Brian Calingaert, Maria Reynolds, Estel Plana, Lisa J McQuay, Willem Jan Atsma, Billy Franks, Stefan de Vogel, Susana Perez-Gutthann, Alejandro Arana
BACKGROUND: In the United Kingdom, hospital or cancer registry data can be linked to electronic medical records for a subset of general practices and years. METHODS: We used Clinical Practice Research Datalink data (2004-2012) from patients treated for overactive bladder. We electronically identified provisional cases of 10 common cancers in General Practitioner Online Database data and validated them by medical profile review. In practices with linkage to Hospital Episodes Statistics and National Cancer Data Repository (2004-2010), we validated provisional cancer cases against these data sources...
November 9, 2017: Epidemiology
https://www.readbyqxmd.com/read/29131323/validity-and-usefulness-of-a-single-item-measure-of-patient-reported-bother-from-side-effects-of-cancer-therapy
#14
Timothy P Pearman, Jennifer L Beaumont, Daniel Mroczek, Mary O'Connor, David Cella
BACKGROUND: The improving efficacy of cancer treatment has resulted in an increasing array of treatment-related symptoms and associated burdens imposed on individuals undergoing aggressive treatment of their disease. Often, clinical trials compare therapies that have different types, and severities, of adverse effects. Whether rated by clinicians or patients themselves, it can be difficult to know which side effect profile is more disruptive or bothersome to patients. A simple summary index of bother can help to adjudicate the variability in adverse effects across treatments being compared with each other...
November 13, 2017: Cancer
https://www.readbyqxmd.com/read/29119969/tumor-targeting-efficacy-of-a-bf211-prodrug-through-hydrolysis-by-fibroblast-activation-protein-%C3%AE
#15
Xiao-Ping Chai, Guang-Long Sun, Yan-Fen Fang, Li-Hong Hu, Xuan Liu, Xiong-Wen Zhang
BF211, a bufalin (BF) derivative, exhibits stronger anti-cancer activity than BF but with potential cardiotoxicity. Fibroblast activation protein-α (FAPα) is a membrane-bound protease specifically expressed by carcinoma-associated fibroblasts, thus has been used for the selective delivery of anticancer agents. In this study, we used a FAPα-based prodrug strategy to synthesize a dipeptide (Z-Gly-Pro)-conjugated BF211 prodrug named BF211-03. BF211-03 was hydrolyzed by recombinant human FAPα (rhFAPα) and cleaved by homogenates of human colon cancer HCT-116 or human gastric cancer MGC-803 xenografts...
November 9, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29118884/breast-arterial-calcifications-on-mammography-do-not-predict-myocardial-ischemia-on-myocardial-perfusion-single-photon-emission-computed-tomography
#16
Ahmed Fathala, Salma Salem, Fahad Alanazi, Deema Abunayyan, Abdelmoneim M Eldali, Abdulaziz Alsugair
Background: The aim of this study was to determine if breast arterial calcification (BAC) on mammography predicts myocardial ischemia (MI) on stress myocardial perfusion single-photon emission computed tomography (MPS). BAC is a type of medial artery calcification that can be seen incidentally on mammography, but the relationship between coronary artery calcification and MI on MPS is yet unknown. Methods: A total of 435 consecutive women underwent mammography and stress MPS within 1 year of each other...
October 2017: Cardiology Research
https://www.readbyqxmd.com/read/29116024/systematic-analyses-of-glutamine-and-glutamate-metabolisms-across-different-cancer-types
#17
Yuan Tian, Wei Du, Sha Cao, Yue Wu, Ning Dong, Yan Wang, Ying Xu
BACKGROUND: Glutamine and glutamate are known to play important roles in cancer biology. However, no detailed information is available in terms of their levels of involvement in various biological processes across different cancer types, whereas such knowledge could be critical for understanding the distinct characteristics of different cancer types. Our computational study aimed to examine the functional roles of glutamine and glutamate across different cancer types. METHODS: We conducted a comparative analysis of gene expression data of cancer tissues versus normal control tissues of 11 cancer types to understand glutamine and glutamate metabolisms in cancer...
November 7, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/29110685/lingual-metastasis-as-an-initial-presentation-of-renal-cell-carcinoma-a-case-report
#18
Hanan Raiss, Sophie Duplomb, Sophie Tartas, Mohamed Layachi, Hassan Errihani
BACKGROUND: Renal cell carcinoma is the third most common tumor that metastasizes to the head and neck, after breast and lung carcinomas. Tongue metastasis as an initial presentation of renal cell carcinoma is extremely rare, and very few cases have been reported. The prognosis is poor. We present a rare case of metastatic renal cell carcinoma that initially presented as a tongue lesion. CASE PRESENTATION: We report the case of a 55-year-old white man who presented with a large exophytic lesion on his tongue...
November 7, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29108334/phase-i-dose-escalation-study-of-the-c-met-tyrosine-kinase-inhibitor-sar125844-in-asian-patients-with-advanced-solid-tumors-including-patients-with-met-amplified-gastric-cancer
#19
Kohei Shitara, Tae Min Kim, Tomoya Yokota, Masahiro Goto, Taroh Satoh, Jin-Hee Ahn, Hyo Song Kim, Sylvie Assadourian, Corinne Gomez, Marzia Harnois, Satoshi Hamauchi, Toshihiro Kudo, Toshihido Doi, Yung-Jue Bang
SAR125844 is a potent and selective inhibitor of the c-Met kinase receptor. This was an open-label, phase I, multicenter, dose-escalation, and dose-expansion trial of SAR125844 in Asian patients with solid tumors, a subgroup of whom had gastric cancer and MET amplification (NCT01657214). SAR125844 was administered by intravenous infusion (260-570 mg/m(2)) on days 1, 8, 15, and 22 of each 28-day cycle. Objectives were to determine the maximum tolerated dose (MTD) and to evaluate SAR125844 safety and pharmacokinetic profile...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29104950/-89-zr-cobalamin-pet-tracer-synthesis-cellular-uptake-and-use-for-tumor-imaging
#20
Akhila N W Kuda-Wedagedara, Jayme L Workinger, Ebba Nexo, Robert P Doyle, Nerissa Viola-Villegas
Vitamin B12, or cobalamin (Cbl), is an essential nutrient. Acquisition, transport, and cellular internalization of Cbl are dependent on specific binding proteins and associated receptors. The circulating transport protein transcobalamin (TC) promotes cellular uptake via binding to specific receptors such as CD320, a receptor upregulated in several cancer cell lines. In this study, we report the successful synthesis of (89)Zirconium-labeled Cbl that was derivatized with desferrioxamine ((89)Zr-Cbl). We document the purity of the tracer and its binding to TC compared with that of unmodified cyano-Cbl (CN-Cbl)...
October 31, 2017: ACS Omega
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