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M C Gouveia, J P Vella, F R Cafeo, F L Affonso Fonseca, M R Bacci
OBJECTIVE: Irisin is a muscle-secreted protein released into the circulation by cleavage of fibronectin type III domain containing protein 5(FNDC5). Since its discovery in 2012, it has been the subject of many researches due to its physiological role. It is believed that understanding irisin's function may be the key to comprehend many diseases and their development. The aim of this study is to perform a systematic review in order to establish whether there is an association of irisin's levels with obesity, diabetes mellitus, non-alcoholic steatohepatitis, chronic kidney disease and cancer in terms of prognosis...
October 2016: European Review for Medical and Pharmacological Sciences
Ibiayi Dagogo-Jack, Corey M Gill, Daniel P Cahill, Sandro Santagata, Priscilla K Brastianos
Development of brain metastasis (BM) portends a dismal prognosis for patients with cancer. Melanomas and carcinomas of the lung, breast, and kidney are the most common malignancies to metastasize to the brain. Recent advances in molecular genetics have enabled the identification of actionable, clinically relevant genetic alterations within primary tumors and their corresponding metastases. Adoption of genotype-guided treatment strategies in the management of systemic malignancy has resulted in dramatic and durable responses...
October 20, 2016: Pharmacology & Therapeutics
Morgan S Schrock, Jenna R Karras, Matthew J Guggenbiller, Teresa Druck, Bahadir Batar, Kay Huebner
Expression of Fhit and Wwox protein is frequently lost or reduced in many human cancers. In this report, we provide data that further characterizes the molecular consequences of Fhit loss in the initiation of DNA double-strand breaks (DSBs), and of Wwox loss in altered repair of DSBs. We show that loss of Fhit initiates mild genome instability in early passage mouse kidney cells, confirming that DNA damage associated with Fhit-deficiency is not limited to cancer cells. We also demonstrate that the cause of Fhit-deficient DSBs: thymidine deficiency-induced replication stress, can be resolved with thymidine supplementation in early passage mouse kidney cells before extensive genome instability occurs...
September 26, 2016: Advances in Biological Regulation
Yinping Huang, Kaili Mao, Baolin Zhang, Yingzheng Zhao
Monodispersed SPIONs (superparamagnetic iron oxide nanoparticles) co-coated with PEG and PEI polymers were prepared by an improved polyol method. To accomplish cancer-specific targeting properties, FA (folic acid) was then modified on the SPIONs via EDC/NHS method (FA-SPIONs). Doxorubicin (DOX) as an example anticancer drug was loaded within FA-SPIONs (DOX@FA-SPIONs), the DOX release rate of DOX@FA-SPIONs was much high in low pH PBS. The SPIONs, FA-SPIONs and DOX@FA-SPIONs with mean hydrodynamic diameters of 23, 40 and 67nm, respectively, performed excellent colloidal stability in PBS...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
Suleyman Utku Celik, Dilara Besli, Serpil Dizbay Sak, Volkan Genc
The thyroid gland is a relatively uncommon site for a metastatic disease, although it is richly supplied with blood. The metastases may originate from various primary sites, mainly kidney, lung, head and neck, and breast. Thyroid metastasis from cervical carcinomas is extremely rare; and only a few cases have been previously reported in the literature. In patient with thyroid nodules and an oncological history, the possibility of thyroid metastasis should be seriously considered. Despite the rarity of the metastasis of cervical carcinoma to the thyroid, it is difficult to say appropriate treatment approach for these lesions...
2016: Acta Medica (Hradec Králové)
Sharon K Michelhaugh, Otto Muzik, Anthony R Guastella, Neil V Klinger, Lisa A Polin, Hancheng Cai, Yanchun Xin, Thomas J Mangner, Shaohui Zhang, Csaba Juhasz, Sandeep Mittal
: Abnormal tryptophan metabolism via the kynurenine pathway (KP) is involved in the pathophysiology of a variety of human diseases including cancers. α-[(11)C]-methyl-L-tryptophan ((11)C-AMT) positron emission tomography (PET) imaging demonstrated increased tryptophan uptake and trapping in epileptic foci and brain tumors, but the short half-life of (11)C limits its widespread clinical application. Recent in vitro studies suggested that the novel radiotracer 1-(2-[(18)F]fluoroethyl)-L-tryptophan ((18)F-FETrp) may be useful to assess tryptophan metabolism via the KP...
October 20, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
Nuray Erin, Tümay İpekçi, Bahar Akkaya, İrem Hicran Özbudak, Mehmet Baykara
Calcitonin Gene-related Peptide (CGRP), Vasoactive Intestinal Peptide (VIP) and Substance P (SP) are sensory neuropeptides which may alter cancer growth through modulation of chronic inflammation. We recently reported that SP suppresses breast cancer growth and metastasis through neuroimmune modulation. These neuropeptides are hydrolyzed by Neprilysin (NEP) to bioactive fragments. Decreased activity of NEP was reported in clear cell and chromophobe type renal cell carcinoma (RCC). It is however not known how the levels of neuropeptides hydrolyzed with NEP changes in RCC...
October 19, 2016: Cancer Microenvironment: Official Journal of the International Cancer Microenvironment Society
Preeti Rawat, Lokesh M Saroj, Anil Kumar, Tryambak D Singh, S K Tewari, Mahesh Pal
BACKGROUND: The plant Launaea procumbens belongs to the family Asteraceae and traditionally used in the treatment rheumatism, kidney, liver dysfunctions and eye diseases. In the present study Phytochemical analysis and fractions of methanolic extract of L. procumbens leaves were tested in vitro for their cytotoxicity. OBJECTIVES: Phytochemical analysis and cytotoxic activity of methanolic extract and fractions of Launaea procumbens against four cancer cell lines K562, HeLa, MIA-Pa-Ca-2 and MCF-2 by SRB assay...
July 2016: Pharmacognosy Magazine
Bikramjeet Singh, Gurpreet Kaur, Paviter Singh, Kulwinder Singh, Baban Kumar, Ankush Vij, Manjeet Kumar, Rajni Bala, Ramovatar Meena, Ajay Singh, Anup Thakur, Akshay Kumar
Highly water dispersible boron based compounds are innovative and advanced materials which can be used in Boron Neutron Capture Therapy for cancer treatment (BNCT). Present study deals with the synthesis of highly water dispersible nanostructured Boron Nitride (BN). Unique and relatively low temperature synthesis route is the soul of present study. The morphological examinations (Scanning/transmission electron microscopy) of synthesized nanostructures showed that they are in transient phase from two dimensional hexagonal sheets to nanotubes...
October 19, 2016: Scientific Reports
Mozhgan Abasi, Zahra Bazi, Samira Mohammadi-Yeganeh, Masoud Soleimani, Vahid Haghpanah, Nosratollah Zargami, Hossein Ghanbarian
The small nuclear noncoding RNA (snRNA) 7SK is a highly conserved noncoding RNA of 331 nucleotides in animals, which is present in a nuclear ribonucleoprotein complex with proteins such as methylphosphate capping enzyme (MePCE), hexamethylene bisacetamide-inducible proteins 1 and 2 (HEXIM1 and HEXIM2) and La-related protein 7 (Larp7). Regulating the activity of the positive transcription elongation factor b (P-TEFb) is the key function of 7SK noncoding RNA. Recently, we have shown that 7SK snRNA over-expression reduces human embryonic kidney 293T cell line viability...
November 2016: Medical Oncology
Brett Matthew Lowenthal, Ahmed S Shabaik, Mark A Valasek
Adenocarcinoma with osteoblastic metastases is classically seen in prostate, breast, and lung primaries. Less common primary sites include thyroid, kidney, and stomach. We present two cases of primary gastrointestinal adenocarcinoma with metastatic osteoblastic activity from two previously unreported sites. The first case represents an esophageal adenocarcinoma arising in a background of intestinal metaplasia that metastasized with osteoblastic activity to the deltoid muscle. The second case demonstrates a Stage IV sigmoid colon adenocarcinoma with osteoblastic metastases to the liver and lymph nodes...
2016: Case Reports in Pathology
C R Smittenaar, K A Petersen, K Stewart, N Moitt
BACKGROUND: Cancer incidence and mortality projections are important for understanding the evolving landscape for cancer risk factors as well as anticipating future burden on the health service. METHODS: We used an age-period-cohort model with natural cubic splines to estimate cancer cases and deaths from 2015 to 2035 based on 1979-2014 UK data. This was converted to rates using ONS population projections. Modified data sets were generated for breast and prostate cancers...
October 11, 2016: British Journal of Cancer
Colin Thomas, Yingbiao Ji, Niraj Lodhi, Elena Kotova, Aaron Dan Pinnola, Konstantin Golovine, Peter Makhov, Kate Pechenkina, Vladimir Kolenko, Alexei V Tulin
The clinical potential of PARP-1 inhibitors has been recognized >10years ago, prompting intensive research on their pharmacological application in several branches of medicine, particularly in oncology. However, natural or acquired resistance of tumors to known PARP-1 inhibitors poses a serious problem for their clinical implementation. Present study aims to reignite clinical interest to PARP-1 inhibitors by introducing a new method of identifying highly potent inhibitors and presenting the largest known collection of structurally diverse inhibitors...
October 4, 2016: EBioMedicine
Héctor Gómez-Dantés, Nancy Fullman, Héctor Lamadrid-Figueroa, Lucero Cahuana-Hurtado, Blair Darney, Leticia Avila-Burgos, Ricardo Correa-Rotter, Juan A Rivera, Simon Barquera, Eduardo González-Pier, Tania Aburto-Soto, Elga Filipa Amorin de Castro, Tonatiuh Barrientos-Gutiérrez, Ana C Basto-Abreu, Carolina Batis, Guilherme Borges, Ismael Campos-Nonato, Julio C Campuzano-Rincón, Alejandra de Jesús Cantoral-Preciado, Alejandra G Contreras-Manzano, Lucia Cuevas-Nasu, Vanessa V de la Cruz-Gongora, Jose L Diaz-Ortega, María de Lourdes García-García, Armando Garcia-Guerra, Teresita González de Cossío, Luz D González-Castell, Ileana Heredia-Pi, Marta C Hijar-Medina, Alejandra Jauregui, Aida Jimenez-Corona, Nancy Lopez-Olmedo, Carlos Magis-Rodríguez, Catalina Medina-Garcia, Maria E Medina-Mora, Fabiola Mejia-Rodriguez, Julio C Montañez, Pablo Montero, Alejandra Montoya, Grea L Moreno-Banda, Andrea Pedroza-Tobías, Rogelio Pérez-Padilla, Amado D Quezada, Vesta L Richardson-López-Collada, Horacio Riojas-Rodríguez, Maria J Ríos Blancas, Christian Razo-Garcia, Martha P Romero Mendoza, Tania G Sánchez-Pimienta, Luz M Sánchez-Romero, Astrid Schilmann, Edson Servan-Mori, Teresa Shamah-Levy, Martha M Téllez-Rojo, José L Texcalac-Sangrador, Haidong Wang, Theo Vos, Mohammad H Forouzanfar, Mohsen Naghavi, Alan D Lopez, Christopher J L Murray, Rafael Lozano
BACKGROUND: Child and maternal health outcomes have notably improved in Mexico since 1990, whereas rising adult mortality rates defy traditional epidemiological transition models in which decreased death rates occur across all ages. These trends suggest Mexico is experiencing a more complex, dissonant health transition than historically observed. Enduring inequalities between states further emphasise the need for more detailed health assessments over time. The Global Burden of Diseases, Injuries, and Risk Factors Study 2013 (GBD 2013) provides the comprehensive, comparable framework through which such national and subnational analyses can occur...
October 5, 2016: Lancet
Yosuke Hashimoto, Yumi Kawahigashi, Tomoyuki Hata, Xiangru Li, Akihiro Watari, Minoru Tada, Akiko Ishii-Watabe, Yoshiaki Okada, Takefumi Doi, Masayoshi Fukasawa, Hiroki Kuniyasu, Kiyohito Yagi, Masuo Kondoh
Claudin-4 (CLDN-4), a tight-junction protein, is overexpressed in various malignant tumors, including gastric, colorectal, pancreatic, and breast cancers. However, CLDN-4 is also expressed in normal tissues, including the liver, pancreas, kidney, and small intestine. Whether CLDN-4 is an effective and safe target for cancer therapy has been unclear owing to the lack of a binder with both CLDN-4 specificity and cross-reactivity to human and murine cells. In this study, we successfully generated a rat anti-CLDN-4 monoclonal antibody (5D12) that was specific to, and cross-reactive with, human and mouse CLDN-4...
October 2016: Pharmacology Research & Perspectives
Ewa Zabrocka, Ewa Sierko, Stefan Jelski, Marek Z Wojtukiewicz
We herein report the case of a 74 year-old woman with a diffuse large B-cell lymphoma and bilateral renal masses identified on computed tomography scans during the initial staging process. Following partial bilateral nephrectomy, histopathological examination revealed renal cell carcinoma (RCC) and oncocytoma in the left and the right kidneys, respectively. Shortly afterwards, lymphoma of the left palatine tonsil was diagnosed and the patient received chemotherapy with rituximab, cyclophosphamide, doxorubicin, vincristine and prednisone (R-CHOP regimen), followed by radiotherapy...
October 2016: Molecular and Clinical Oncology
G Díaz-Soto, A Rocher, C García-Rodríguez, L Núñez, C Villalobos
The extracellular calcium-sensing receptor (CaSR) is a unique G protein-coupled receptor (GPCR) activated by extracellular Ca(2+) and by other physiological cations including Mg(2+), amino acids, and polyamines. CaSR is the most important master controller of the extracellular Ca(2+) homeostatic system being expressed at high levels in the parathyroid gland, kidney, gut and bone, where it regulates parathyroid hormone (PTH) secretion, vitamin D synthesis, and Ca(2+) absorption and resorption, respectively. Gain and loss of function mutations in the CaSR are responsible for severe disturbances in extracellular Ca(2+) metabolism...
2016: International Review of Cell and Molecular Biology
Gaoxin Zhou, Lushen Li, Jing Xing, Shivakumar Jalde, Yan Li, Jin Cai, Junqing Chen, Peidang Liu, Ning Gu, Min Ji
Cerasome is a freshly developped bilayer vehicle that resemble traditional liposome but has higher mophorlogical stability. In this study, a novel redox-responsive cerasome (RRC) was developed for tumor-targeting drug delivery. The cerasome-forming lipid (CFL) that comprise a cleavable disulfide bond as connector unit of the triethoxysilyl head and the hydrophobic alkyl double chain was synthesized and subsequently used to prepare cerasome through ethanol injection method. RRC that has liposome-resembling lipid bilayer structure was proved being outstanding at drug loading capacity as well as morphological stability as compared to conventional liposomes...
September 23, 2016: Colloids and Surfaces. B, Biointerfaces
Sarah E R Bailey, Obi C Ukoumunne, Elizabeth Shephard, Willie Hamilton
BACKGROUND: Although the association between raised platelet count (thrombocytosis) and cancer has been reported in primary and secondary care studies, UK GPs are unaware of it, and it is insufficiently evidenced for laboratories to identify and warn of it. This systematic review aimed to identify and collate evidence from studies that have investigated thrombocytosis as an early marker of cancer in primary care. METHODS: EMBASE (OvidSP), Medline (Ovid), Web of Science and The Cochrane Library were searched for relevant studies...
September 28, 2016: Family Practice
Chengcheng Zhang, Jinhe Pan, Kuo-Shyan Lin, Iulia Dude, Joseph Lau, Jutta Zeisler, Helen Merkens, Silvia Jenni, Brigitte Guérin, François Bénard
The neuropeptide Y1 receptor (Y1R) is overexpressed in many human cancers, particularly breast cancer. Due to stability issues, limited success has been achieved for Y1R imaging agents, including full length and truncated neuropeptide Y (NPY) analogues. The goal of this study was to evaluate the possibility of using radiolabeled truncated NPY analogues to visualize Y1R expression in a preclinical model of Y1R-positive tumor. Four truncated NPY analogues were synthesized based on the sequence of [Pro(30), Tyr(32), Leu(34)]NPY(28-36), also known as BVD15...
October 3, 2016: Molecular Pharmaceutics
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