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https://www.readbyqxmd.com/read/28427885/prognostic-scoring-system-to-risk-stratify-parathyroid-carcinoma
#1
Angelica M Silva-Figueroa, Kenneth R Hess, Michelle D Williams, Callisia N Clarke, Ioannis Christakis, Paul H Graham, Elizabeth G Grubbs, Jeffrey E Lee, Naifa L Busaidy, Nancy D Perrier
BACKGROUND: Parathyroid carcinoma is a rare endocrine malignancy that lacks an established system for risk categorization. This study evaluated a prognostic scoring system for recurrence-free survival (RFS) of patients with parathyroid carcinoma. STUDY DESIGN: Patients diagnosed and confirmed to have parathyroid carcinoma and who were treated between 1980 and 2016 at The University of Texas MD Anderson Cancer Center were studied retrospectively. Univariate and multivariate Cox proportional hazards regression analyses of RFS were conducted...
March 15, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28427521/management-of-metastatic-castration-resistant-prostate-cancer-a-focus-on-radium-223-opinions-and-suggestions-from-an-expert-multidisciplinary-panel
#2
REVIEW
Sergio Baldari, Giuseppe Boni, Roberto Bortolus, Orazio Caffo, Giario Conti, Giuseppe De Vincentis, Fabio Monari, Giuseppe Procopio, Daniele Santini, Ettore Seregni, Riccardo Valdagni
Radium-223, a calcium mimetic bone-seeking radionuclide that selectively targets bone metastases with alpha particles, is approved for the treatment of men with metastatic castration-resistant prostate cancer (mCRPC) and symptomatic bone metastases. In patients with mCRPC, treatment with radium-223 has been associated with survival benefit, regardless of prior docetaxel use, and also has a positive impact on symptomatic skeletal events and quality of life. Radium-223 is best suited for patients with symptomatic mCRPC and bone-predominant disease and no visceral metastases, and may lead to better outcomes when given early in the course of the disease...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28423710/phospholipase-c%C3%AE-1-suppresses-cell-migration-and-invasion-of-breast-cancer-cells-by-modulating-kif3a-mediated-erk1-2-%C3%AE-catenin-mmp7-signalling
#3
Qing Shao, Xinrong Luo, Dejuan Yang, Can Wang, Qiao Cheng, Tingxiu Xiang, Guosheng Ren
Phospholipase C δ1 (PLCD1) encodes an enzyme involved in energy metabolism, calcium homeostasis and intracellular movement. It is located at 3p22 in a region that is frequently deleted in multiple cancers, and the PLCD1 enzyme is a potential tumour suppressor in breast cancer that inhibits matrix metalloprotease (MMP) 7, but the detailed mechanism remains elusive. In this study, we found that PLCD1 was downregulated in breast cancers, and the gain-or-loss functional assay revealed that PLCD1 inhibited cell migration and invasion in vitro via the ERK1/2/β-catenin/MMP7 signalling pathway...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423667/saline-is-a-more-appropriate-solution-for-microvesicles-for-flow-cytometric-analyses
#4
Xing Xin, Peiling Zhang, Xing Fu, Xia Mao, Fankai Meng, Ming Tian, Xiaojian Zhu, Hanying Sun, Li Meng, Jianfeng Zhou
Microvesicles (MVs) are carriers of molecular and oncogenic signatures present in subsets of tumor cells and tumor-associated stroma, and a focus of cancer research. Although methods to detect MVs are mature, we were concerned that the buffer used could lead to false results when quantitating MVs by flow cytometry. In this work,we detected MVs by flow cytometry withthree different solutions: water, saline, and phosphate-buffered saline (PBS). The results demonstrated that PBS, when reacted with annexin V binding buffer, produced nano-sized vesicles even when there were no MVs in the sample...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423508/annexin-a13-promotes-tumor-cell-invasion-in-vitro-and-is-associated-with-metastasis-in-human-colorectal-cancer
#5
Guozhong Jiang, Pengju Wang, Weiwei Wang, Wencai Li, Liping Dai, Kuisheng Chen
PURPOSE: Aberrantly upregulated expression of selected members of annexin, a group of calcium- and membrane-binding proteins, have been found to be associated with metastasis, poor prognosis, and other clinical characteristics in colorectal cancer (CRC), the third most diagnosed cancer. However, ANXA13 (encoding protein annexin A13), the original founder gene of the annexin A family, has not been studied carefully as a potential prognostic biomarker in CRC. METHODS: The protein level of annexin A13 was determined by western blot in a panel of CRC cell lines...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423501/epigenetic-silencing-of-mir-520c-leads-to-induced-s100a4-expression-and-its-mediated-colorectal-cancer-progression
#6
Giridhar Mudduluru, Katharina Ilm, Steffen Fuchs, Ulrike Stein
The S100 calcium-binding protein A4 (S100A4) induces epithelial mesenchymal transition, migration, invasion, angiogenesis and metastasis. Its induced expression in several cancer types correlates with poor prognosis. Apart from the functional and transcriptional regulatory aspects of S100A4, its post-transcriptional regulation is not yet clearly elucidated. In this study, we show that microRNAs (miR) miR-505-5p and miR-520c-3p target the 3'-UTR of S100A4 and inhibits its expression and its mediated migration and invasion...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423353/silencing-prdm14-expression-by-an-innovative-rnai-therapy-inhibits-stemness-tumorigenicity-and-metastasis-of-breast-cancer
#7
Hiroaki Taniguchi, Daisuke Hoshino, Chiharu Moriya, Hitoshi Zembutsu, Nobuhiro Nishiyama, Hiroyuki Yamamoto, Kazunori Kataoka, Kohzoh Imai
PR domain zinc finger protein 14 (PRDM14) maintains stemness in embryonic stem cells via epigenetic mechanisms. Although PRDM14 is elevated in several cancers, it is unclear if and how PRDM14 confers stem cell-like properties and epigenetic changes to cancer cells. Here, we examined the phenotypic characteristics and epigenetic and gene expression profiles of cancer cells that differentially express PRDM14, and assessed the potential of PRDM14-targeted cancer therapy. PRDM14 expression was markedly increased in many different cancer types and correlated with poor survival of breast cancer patients...
April 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422741/calmodulin-promotes-matrix-metalloproteinase-9-production-and-cell-migration-by-inhibiting-the-ubiquitination-and-degradation-of-tbc1d3-oncoprotein-in-human-breast-cancer-cells
#8
Huzi Zhao, Lina Zhang, Yongchen Zhang, Lei Zhao, Qing Wan, Bei Wang, Xiaodong Bu, Meiling Wan, Chuanlu Shen
The hominoid oncoprotein TBC1D3 enhances growth factor (GF) signaling and GF signaling, conversely, induces the ubiquitination and subsequent degradation of TBC1D3. However, little is known regarding the regulation of this degradation, and the role of TBC1D3 in the progression of tumors has also not been defined. In the present study, we demonstrated that calmodulin (CaM), a ubiquitous cellular calcium sensor, specifically interacted with TBC1D3 in a Ca2+-dependent manner and inhibited GF signaling-induced ubiquitination and degradation of the oncoprotein in both cytoplasm and nucleus of human breast cancer cells...
March 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420283/design-and-characteristics-of-gellan-gum-beads-for-modified-release-of-meloxicam
#9
Tomasz Osmałek, Bartłomiej Milanowski, Anna Froelich, Mirosław Szybowicz, Wojciech Białowąs, Marcin Kapela, Piotr Gadziński, Katarzyna Ancukiewicz
The aim of the presented work was to design, formulate and evaluate the properties of low-acyl gellan macro beads with the potential application as carriers for oral delivery of meloxicam (MLX) in the prophylaxis of colorectal cancer. The beads were obtained by means of ionotropic gelation technique. Calcium chloride (1.0%, 9.0 × 10(-2) M) was used as the cross-linking agent. Nine different polymer, drug and surfactant (Tween®80) mixtures were used for production of the beads. The quantitative compositions of the mixtures were generated with the application of the Design of Experiments (DoE) modulus from the STATISTICA Software...
April 19, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28419078/targeting-of-ccbe1-by-mir-330-3p-in-human-breast-cancer-promotes-metastasis
#10
Aruz Mesci, Xiaoyong Huang, Samira Taeb, Sahar Jahangiri, Yohan Kim, Emmanouil Fokas, Jeff Bruce, Hon S Leong, Stanley K Liu
BACKGROUND: MicroRNAs (miRs) are involved in the regulation of many processes that contribute to malignancy, including cell proliferation, radiation resistance, invasion and metastasis. The role of miR-330-3p, an miR upregulated in breast cancer, remains unclear. METHODS: We examine the association of miR-330-3p with distant relapse-free survival in the Oxford cohort of breast cancer patients. We also study miR-330-3p function using in vitro invasion and ex ovo metastasis assays...
April 18, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28415685/identification-of-molecular-targets-for-esophageal-carcinoma-diagnosis-using-mirna-seq-and-rna-seq-data-from-the-cancer-genome-atlas-a-study-of-187-cases
#11
Jiang-Hui Zeng, Dan-Dan Xiong, Yu-Yan Pang, Yu Zhang, Rui-Xue Tang, Dian-Zhong Luo, Gang Chen
Esophageal carcinoma (ESCA) is one of the most common malignancies worldwide, and its pathogenesis is complex. In this study, we identified differentially expressed miRNAs (DEMs) and genes (DEGs) of ESCA from The Cancer Genome Atlas (TCGA) database. The diagnostic values of DEMs were determined by receiver operating characteristic (ROC) analyses and validated based on data from Gene Expression Omnibus (GEO). The top five DEMs with the best diagnostic values were selected, and their potential targets were predicted by various in silico methods...
March 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415575/ik-channel-activation-increases-tumor-growth-and-induces-differential-behavioral-responses-in-two-breast-epithelial-cell-lines
#12
Amy E Thurber, Michaela Nelson, Crystal L Frost, Michael Levin, William J Brackenbury, David L Kaplan
Many potassium channel families are over-expressed in cancer, but their mechanistic role in disease progression is poorly understood. Potassium channels modulate membrane potential (Vmem) and thereby influence calcium ion dynamics and other voltage-sensitive signaling mechanisms, potentially acting as transcriptional regulators. This study investigated the differential response to over-expression and activation of a cancer-associated potassium channel, the intermediate conductance calcium-activated potassium channel (IK), on aggressive behaviors in mammary epithelial and breast cancer cell lines...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414098/cytosolic-calcium-mediates-rip1-rip3-complex-dependent-necroptosis-through-jnk-activation-and-mitochondrial-ros-production-in-human-colon-cancer-cells
#13
Wen Sun, Xiaxia Wu, Hongwei Gao, Jie Yu, Wenwen Zhao, Jin-Jian Lu, Jinhua Wang, Guanhua Du, Xiuping Chen
Necroptosis is a form of programmed necrosis mediated by signaling complexes with receptor-interacting protein 1 (RIP1) and RIP3 kinases as the main mediators. However, the underlying execution pathways of this phenomenon have yet to be elucidated in detail. In this study, a RIP1/RIP3 complex was formed in 2-methoxy-6-acetyl-7-methyljuglone (MAM)-treated HCT116 and HT29 colon cancer cells. With this formation, mitochondrial reactive oxygen species (ROS) levels increased, mitochondrial depolarization occurred, and ATP concentrations decreased...
April 14, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28413771/management-of-aromatase-inhibitor-associated-bone-loss-aibl-in-postmenopausal-women-with-hormone-sensitive-breast-cancer-joint-position-statement-of-the-iof-cabs-ects-ieg-esceo-ims-and-siog
#14
REVIEW
Peyman Hadji, Matti S Aapro, Jean-Jacques Body, Michael Gnant, Maria Luisa Brandi, Jean Yves Reginster, M Carola Zillikens, Claus-C Glüer, Tobie de Villiers, Rod Baber, G David Roodman, Cyrus Cooper, Bente Langdahl, Santiago Palacios, John Kanis, Nasser Al-Daghri, Xavier Nogues, Erik Fink Eriksen, Andreas Kurth, Rene Rizzoli, Robert E Coleman
BACKGROUND: Several guidelines have been reported for bone-directed treatment in women with early breast cancer (EBC) for averting fractures, particularly during aromatase inhibitor (AI) therapy. Recently, a number of studies on additional fracture related risk factors, new treatment options as well as real world studies demonstrating a much higher fracture rate than suggested by randomized clinical controlled trials (RCTs). Therefore, this updated algorithm was developed to better assess fracture risk and direct treatment as a position statement of several interdisciplinary cancer and bone societies involved in the management of AI-associated bone loss (AIBL)...
June 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28410420/comparison-of-cell-based-assays-for-the-identification-and-evaluation-of-competitive-cxcr4-inhibitors
#15
Anneleen Van Hout, Thomas D'huys, Merel Oeyen, Dominique Schols, Tom Van Loy
The chemokine receptor CXCR4 is activated by its unique chemokine ligand CXCL12 and regulates many physiological and developmental processes such as hematopoietic cell trafficking. CXCR4 is also one of the main co-receptors for human immunodeficiency virus (HIV) entry. Dysfunction of the CXCL12/CXCR4 axis contributes to several human pathologies, including cancer and inflammatory diseases. Consequently, inhibition of CXCR4 activation is recognized as an attractive target for therapeutic intervention. In this regard, numerous agents modifying CXCR4 activity have been evaluated in in vitro experimental studies and pre-clinical models...
2017: PloS One
https://www.readbyqxmd.com/read/28404687/selective-calcium-dependent-inhibition-of-atp-gated-p2x3-receptors-by-bisphosphonates-induced-endogenous-atp-analogue-apppi
#16
Yevheniia Ishchenko, Anastasia Shakirzyanova, Raisa Giniatullina, Andrei Skorinkin, Geneviev Bart, Petri Turhanen, Jorma Maatta, Jukka Monkkonen, Rashid Giniatullin
Pain is the most unbearable symptom accompanying primary bone cancers and bone metastases. Bone resorptive disorders are often associated with hypercalcemia contributing to the pathological process. Nitrogen-containing bisphosphonates (NBP) are efficiently used to treat bone-cancers and metastases. NBP, apart from their toxic effect on cancer cells, also provide analgesia via poorly understood mechanisms. We have previously shown, that NBP, by inhibiting the mevalonate pathway, induced the formation of the novel ATP-analogues such as ApppI which can potentially be involved in NBP analgesia...
April 12, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28403741/impact-of-acrylamide-on-calcium-signaling-and-cytoskeletal-filaments-in-testes-from-f344-rat
#17
Leslie Recio, Marvin Friedman, Dennis Marroni, Timothy Maynor, Nikolai L Chepelev
Acrylamide (AA) at high exposure levels is neurotoxic, induces testicular toxicity, and increases dominant lethal mutations in rats. RNA-sequencing in testes was used to identify differentially expressed genes (DEG), explore AA-induced pathway perturbations that could contribute to AA-induced testicular toxicity and then used to derive a benchmark dose (BMD). Male F344/DuCrl rats were administered 0.0, 0.5, 1.5, 3.0, 6.0, or 12.0 mg AA/kg bw/d in drinking water for 5, 15, or 31 days. The experimental design used exposure levels that spanned and exceeded the exposure levels used in the rat dominant lethal, 2-generation reproductive toxicology, and cancer bioassays...
March 2017: International Journal of Toxicology
https://www.readbyqxmd.com/read/28402934/anti-cancer-activity-of-annexin-v-in-murine-melanoma-model-by-suppressing-tumor-angiogenesis
#18
Xuerui Zhang, Lina Huo, Haibo Jin, Yuheng Han, Jie Wang, Yanjun Zhang, Xinghuan Lai, Ziwei Le, Jing Zhang, Zichun Hua
Annexin V, a protein with high affinity to phosphatidylserine (PS) in a calcium dependent manner, has been widely used to probe apoptosis. Annexin V in inhibiting engulfment of apoptotic cells by macrophages had been reported to increase the immunogenicity of tumor cells undergoing apoptosis. However, far less is known about its multiple properties, especially in cancer therapies. Here we found that Annexin V had a good anti-tumor activity in murine melanomaxenograft model. Treatment with Annexin V showed significant reduction in tumor size and remarkable tumor necrosis areas...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28400074/regulation-of-mitochondrial-structure-and-function-by-protein-import-a-current-review
#19
REVIEW
Kanchanjunga Prasai
By generating the majority of a cell's ATP, mitochondria permit a vast range of reactions necessary for life. Mitochondria also perform other vital functions including biogenesis and assembly of iron-sulfur proteins, maintenance of calcium homeostasis, and activation of apoptosis. Accordingly, mitochondrial dysfunction has been linked with the pathology of many clinical conditions including cancer, type 2 diabetes, cardiomyopathy, and atherosclerosis. The ongoing maintenance of mitochondrial structure and function requires the import of nuclear-encoded proteins and for this reason, mitochondrial protein import is indispensible for cell viability...
March 16, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28397763/endoplasmic-reticulum-stress-and-homeostasis-in-reproductive-physiology-and-pathology
#20
REVIEW
Elif Guzel, Sefa Arlier, Ozlem Guzeloglu-Kayisli, Mehmet Selcuk Tabak, Tugba Ekiz, Nihan Semerci, Kellie Larsen, Frederick Schatz, Charles Joseph Lockwood, Umit Ali Kayisli
The endoplasmic reticulum (ER), comprises 60% of the total cell membrane and interacts directly or indirectly with several cell organelles i.e., Golgi bodies, mitochondria and proteasomes. The ER is usually associated with large numbers of attached ribosomes. During evolution, ER developed as the specific cellular site of synthesis, folding, modification and trafficking of secretory and cell-surface proteins. The ER is also the major intracellular calcium storage compartment that maintains cellular calcium homeostasis...
April 8, 2017: International Journal of Molecular Sciences
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