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https://www.readbyqxmd.com/read/29691295/metformin-targets-mitochondrial-glycerophosphate-dehydrogenase-mgpdh-to-control-rate-of-oxidative-phosphorylation-and-growth-of-thyroid-cancer-in-vitro-and-in-vivo
#1
Joanna Klubo-Gwiezdzinska, Shilpa Thakur, Brianna Daley, Kelli Gaskins, Vasyl V Vasko, Myriem Boufraqech, Dhaval Patel, Carole Sourbier, Jeff M Reece, Sheue-Yann Cheng, Electron Kebebew, Sunita K Agarwal
PURPOSE: Mitochondrial glycerophosphate dehydrogenase (mGPDH) is the key enzyme connecting oxidative phosphorylation (OXPHOS) and glycolysis as well as a target of the antidiabetic drug metformin (MF) in the liver. There are no data on the expression and role of mGPDH as a metformin target in cancer. In this study, we evaluated mGPDH as a potential target of metformin in thyroid cancer and investigated its contribution in thyroid cancer metabolism. EXPERIMENTAL DESIGN: We analyzed mGPDH expression in 253 thyroid cancer and normal tissues by immunostaining and examined its expression and localization in thyroid cancer-derived cell lines (FTC133, BCPAP) by confocal microscopy...
April 24, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29690954/mir-150-suppresses-tumor-growth-in-melanoma-through-downregulation-of-myb
#2
Xiyan Sun, Chao Zhang, Yang Cao, Erbiao Liu
MiR-150 has been demonstrated to inhibit tumor progression in various human cancers, including colorectal cancer, ovarian cancer and thyroid cancer. However, the role of miR-150 in melanoma remains to be determined. In this study, we found that miR-150 was underexpressed in melanoma tissues and cell lines. Through transfection of miR-150 mimics, we found that miR-150 significantly inhibited the proliferation, migration and invasion of melanoma cells. In mechanism, we found that MYB was a target of miR-150 in melanoma cells...
April 24, 2018: Oncology Research
https://www.readbyqxmd.com/read/29688429/ef24-a-curcumin-analog-and-zstk474-emphasizes-the-effect-of-cabozantinib-in-medullary-thyroid-cancer
#3
Loris Bertazza, Francesca Sensi, Elisabetta Cavedon, Sara Watutantrige-Fernando, Simona Censi, Jacopo Manso, Federica Vianello, Eric Casal Ide, Maurizio Iacobone, Raffaele Pezzani, Caterina Mian, Susi Barollo
XL184 is a small-molecule kinase inhibitor recently included in first-line systemic therapy for patients with advanced, progressive medullary thyroid cancer (MTC). EF24 is a curcumin analog with a high bio-availability, and ZSTK474 is an inhibitor of the PI3K signaling pathway. We investigated the effect of these compounds, alone and in combination, in two RET-mutated TT and MZ-CRC-1 MTC cell lines, and in six mostly RET wild-type human MTC primary cultures. Low IC50 values demonstrated the efficacy of the drugs, while the Combination Index revealed a significant synergistic effect of combinations of XL184+ZSTK474 and XL184+EF24...
April 23, 2018: Endocrinology
https://www.readbyqxmd.com/read/29687925/melanoma-thyroid-cancer-and-gynecologic-cancers-in-a-cohort-of-female-flight-attendants
#4
Lynne E Pinkerton, Misty J Hein, Jeri L Anderson, Annette Christianson, Mark P Little, Alice J Sigurdson, Mary K Schubauer-Berigan
BACKGROUND: Flight attendants may have an increased risk of some cancers from occupational exposure to cosmic radiation and circadian disruption. METHODS: The incidence of thyroid, ovarian, and uterine cancer among ∼6000 female flight attendants compared to the US population was evaluated via life table analyses. Associations of these cancers, melanoma, and cervical cancer with cumulative cosmic radiation dose and metrics of circadian disruption were evaluated using Cox regression...
April 24, 2018: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/29687875/evaluation-of-thyroid-nodule-characteristics-in-subclinical-hypothyroid-patients-under-a-myo-inositol-plus-selenium-treatment
#5
M Nordio, S Basciani
OBJECTIVE: The anticancer effect of myo-inositol (MI) is catching researchers' attention worldwide. Thyroid nodules (TNs) have been detected by ultrasound (US) in up to 76% of the general population and, although most of them are benign, thyroid cancer is the most common malignancy of the endocrine system. PATIENTS AND METHODS: A retrospective, observational study was conducted in 642 patients with suspected hypothyroidism undergoing US. The analysis was addressed exclusively to patients with subclinical hypothyroidism (SCH) or thyroid-stimulating hormone (TSH) levels borderline associated to TNs classified as class I and II; 1 group (control, no...
April 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29687367/atovaquone-enhances-doxorubicin-s-efficacy-via-inhibiting-mitochondrial-respiration-and-stat3-in-aggressive-thyroid-cancer
#6
Zhuo Lv, Xintong Yan, Liying Lu, Chun Su, Yin He
The clinical management of anaplastic thyroid carcinoma and follicular thyroid carcinoma is challenging and requires an alternative therapeutic strategy. Although atovaquone is an FDA-approved anti-malarial drug, studies has recently demonstrated its anti-cancer activities. In line with these efforts, our study shows that atovaquone is an attractive candidate for thyroid cancer treatment. We show that atovaquone significantly inhibits growth, migration and survival in a concentration-dependent manner in 8505C and FTC113 cells...
April 23, 2018: Journal of Bioenergetics and Biomembranes
https://www.readbyqxmd.com/read/29687244/a-population-pharmacokinetic-model-of-cabozantinib-in-healthy-volunteers-and-patients-with-various-cancer-types
#7
Steven Lacy, Bei Yang, Jace Nielsen, Dale Miles, Linh Nguyen, Matt Hutmacher
PURPOSE: An integrated population pharmacokinetic (popPK) model was developed to describe the pharmacokinetics (PK) of tyrosine kinase inhibitor cabozantinib in healthy volunteers (HVs) and patients with various cancer types and to identify any differences in cabozantinib PK across these populations. METHODS: Plasma concentration data used to develop the popPK model were obtained from nine clinical trials (8072 concentrations from 1534 HVs or patients) of cabozantinib in HVs and patients with renal cell carcinoma (RCC), medullary thyroid carcinoma (MTC), glioblastoma multiforme, castration-resistant prostate cancer, or other advanced malignancies...
April 23, 2018: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29685086/preoperative-localization-of-recurrence-in-the-thyroidectomy-bed-using-a-radioactive-iodine-125-seed
#8
Hillary W Garner, Ricardo Paz-Fumagalli, Geoffrey D Young
Intraoperative localization of nonpalpable recurrent thyroid cancer has been reported using needle localization, intraoperative ultrasound (US), dye injection, and radio-guided surgery. We describe the alternative technique of radioactive seed localization (RSL) in 3 patients with residual or recurrent papillary thyroid cancer. This technique has been used for many years in the setting of nonpalpable breast cancer, where it has been shown to be safe and has been associated with greater surgeon satisfaction as well as improved patient tolerability, cosmesis, and outcomes compared to needle localization...
April 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29682275/follicular-thyroid-carcinoma-in-a-country-of-endemic-iodine-deficiency-1994-2013
#9
Edmund Muonir Der
Background: Follicular thyroid cancer (FTC) has historically been linked to iodine deficiency. Although Ghana is among the iodine deficient regions of the world, the proportions, trends, and the clinical features of FTCs have not been studied as a single disease entity. The aim of this study was to determine the relative frequencies, trends, and the clinicopathological characteristics of FTCs among all thyroid malignancies in our institution. Materials and Methods: This was a retrospective study from January 1994 to December 2013...
2018: Journal of Thyroid Research
https://www.readbyqxmd.com/read/29681580/cancer-incidence-and-mortality-patterns-in-luwan-district-of-shanghai-during-2002-2011
#10
Jue Wang, Shuna Gao, Yejing Wang, Jianjun Zhou, Jing Lin, Ling Wang, Yan Du
Cancer has become the leading cause of death and a major burden to public health in China. The current study analyzed the composition, incidence, mortality, and temporal trends for some major cancer types among permanent residents in Luwan district of Shanghai from 2002 to 2011, so as to provide data for cancer research. Data were collected from the database of cancer registration and management system in Shanghai. Number of new cases, number of deaths, incidence, and mortality of each cancer type were calculated...
April 22, 2018: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/29679278/overexpression-of-modified-human-tr%C3%AE-1-suppresses-the-growth-of-hepatocarcinoma-sk-hep1-cells-in-vitro-and-in-xenograft-models
#11
Xiaoxiang Peng, Yuntao Zhou, Yanli Sun, Wei Song, Xiangying Meng, Chunling Zhao, Ronglan Zhao
Association studies suggest that TRβ1 functions as a tumor suppressor. Thyroid hormone receptors (TRs) mediate transcriptional responses through a highly conserved DNA-binding domain (DBD). We previously constructed an artificially modified human TRβ1 (m-TRβ1) via the introduction of a 108-bp exon sequence into the corresponding position of the wild-type human TRβ1 (TRβ1) DBD. Studies confirmed that m-TRβ1 was functional and could inhibit the proliferation of breast cancer MDA-MB-468 cells in vitro. To understand the role of m-TRβ1 in liver tumor development, we adopted a gain-of-function approach by stably expressing TRβ (m-TRβ1 and TRβ1) genes in a human hepatocarcinoma cell line, SK-hep1 (without endogenous TRβ), and then evaluated the effects of the expressed TRβ on cancer cell proliferation, migration, and tumor growth in cell-based studies and xenograft models...
April 20, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29677534/punicalagin-induces-senescent-growth-arrest-in-human-papillary-thyroid-carcinoma-bcpap-cells-via-nf-%C3%AE%C2%BAb-signaling-pathway
#12
Xian Cheng, Xin Yao, Shichen Xu, Jie Pan, Huixin Yu, Jiandong Bao, Haixia Guan, Rongrong Lu, Li Zhang
Papillary thyroid carcinoma (PTC) is the most common endocrine carcinoma. Our previous study revealed that punicalagin (PUN), an active component from pomegranate, triggered autophagic cell death and DNA damage response (DDR) in papillary thyroid carcinoma BCPAP cells. But the detailed anti-cancer mechanisms of punicalagin against PTC still remained to be further explored. DDR activation is a proven cause of cellular senescence, which mediates anti-tumor processes under certain circumstances. In this study, we reported that punicalagin treatment generated a senescent phenotype of BCPAP cells characterized as altered morphology, increased cell granularity and senescence-associated β-galactosidase (SA-β-Gal) staining...
April 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29676354/diagnostic-and-prognostic-impact-of-mucin-1-6-expression-in-non-small-cell-lung-cancer
#13
William Sterlacci, Michael Fiegl, Lothar Veits, Alexandar Tzankov
Background: The prognostic significance and clinico-pathological characterization of mucin (MUC) expression in non-small cell lung cancer (NSCLC) is controversial and little studied. Aims: This study aims at elucidating this issue on the largest and most detailed cohort so far. Settings and Design: We examined the expression of MUC 1, 2, 4, 5AC and 6 on 371, well documented, surgically resected NSCLC cases. Materials and Methods: Immunohistochemical results were correlated with several of our previously studied, relevant parameters on this cohort including a follow-up period of up to 20 years...
April 2018: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29676344/histopathological-pattern-of-thyroid-diseases-in-zaria-a-10-year-review
#14
Nasiru Raheem, Saad A Ahmed, Modupeola Oa Samaila
Context: Majority of the previous studies on thyroid diseases in Northern Nigeria focussed mainly on neoplastic lesions. The non-neoplastic lesions are more common and constitute more public health burdens. Aim: To determine the histopathological pattern of thyroid diseases in our region and compare our findings with similar studies in Nigeria and elsewhere. Settings and Design: This is a retrospective study carried out at the Department of Pathology, Ahmadu Bello University Teaching Hospital, Zaria, from January 2005 to December 2014 using specified criteria...
January 2018: Nigerian Postgraduate Medical Journal
https://www.readbyqxmd.com/read/29675113/downregulation-of-bancr-promotes-aggressiveness-in-papillary-thyroid-cancer-via-the-mapk-and-pi3k-pathways
#15
Jinjun Zhang, Yaying Du, Xiaoxue Zhang, Mengchen Li, Xingrui Li
Recent evidence indicates that long non-coding RNAs play important roles in tumorigenesis and cancer progression. BRAF -activated non-protein coding RNA ( BANCR ) is a novel and potential regulator of cancer cell proliferation and migration. However, little is known regarding the role of BANCR in papillary thyroid cancer (PTC). The current study used quantitative PCR to demonstrate that BANCR was significantly downregulated in 60 paired PTC tissues compared with normal tissues. In addition, BANCR was significantly correlated with lymph node metastasis ( p = 0...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29672841/mutant-myo1f-alters-the-mitochondrial-network-and-induces-tumor-proliferation-in-thyroid-cancer
#16
Chiara Diquigiovanni, Christian Bergamini, Cecilia Evangelisti, Federica Isidori, Andrea Vettori, Natascia Tiso, Francesco Argenton, Anna Costanzini, Luisa Iommarini, Hima Anbunathan, Uberto Pagotto, Andrea Repaci, Giulia Babbi, Rita Casadio, Giorgio Lenaz, Kerry J Rhoden, Anna Maria Porcelli, Romana Fato, Anne Bowcock, Marco Seri, Giovanni Romeo, Elena Bonora
Familial aggregation is a significant risk factor for the development of thyroid cancer and Familial Non-Medullary Thyroid Cancer (FNMTC) accounts for 5-7% of all NMTC. Whole Exome Sequencing analysis in the family affected by FNMTC with oncocytic features where our group previously identified a predisposing locus on chromosome 19p13.2, revealed a novel heterozygous mutation (c.400G>A, NM_012335; p.Gly134Ser) in exon 5 of MYO1F, mapping to the linkage locus. In the thyroid FRTL-5 cell model stably expressing the mutant MYO1F p...
April 19, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29672763/prospective-validation-of-ata-and-eta-sonographic-pattern-risk-of-thyroid-nodules-selected-for-fnac
#17
Fabio Maino, Raffaella Forleo, Martina Martinelli, Noemi Fralassi, Filomena Barbato, Tania Pilli, Marco Capezzone, Lucia Brilli, Cristina Ciuoli, Giovanni Di Cairano, Laura Nigi, Furio Pacini, Maria Grazia Castagna
Background: Recently, the American (ATA) and the European Thyroid Association (ETA), have proposed that thyroid ultrasound (US) should be used to stratify the risk of malignancy in thyroid nodules and to aid decision-making about whether FNAC is indicated. Objective: To validate and to compare the ATA and ETA US risk stratification systems of thyroid nodules in a prospective series of thyroid nodules submitted to FNAC. Patients and methods: We prospectively evaluated 432 thyroid nodules selected for FNAC from 340 patients...
April 16, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29672723/an-analysis-of-the-american-joint-committee-on-cancer-8th-edition-t-staging-system-for-papillary-thyroid-carcinoma
#18
Bryan Tran, David Roshan, Earl Abraham, Laura Wang, Natalia Garibotto, James Wykes, Peter Campbell, Ardalan Ebrahimi
Background: The American Joint Committee on Cancer (AJCC) removed microscopic extrathyroidal extension (m-ETE) from the 8th edition T staging for papillary thyroid carcinoma (PTC) based on increasing evidence that it is not an independent prognostic factor. Objectives: We aimed to compare the prognostic performance of AJCC 7th (pT7) and 8th (pT8) edition T stage systems, particularly in patient's ≥55 years old without macroscopic ETE or distant metastases, in whom T classification impacts TNM stage...
April 16, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29672549/tumor-development-in-japanese-patients-with-lynch-syndrome
#19
Chiaki Saita, Tatsuro Yamaguchi, Shin-Ichiro Horiguchi, Rin Yamada, Misato Takao, Takeru Iijima, Rika Wakaume, Tomoyuki Aruga, Taku Tabata, Koichi Koizumi
BACKGROUND: Lynch syndrome (LS) patients have a high risk of developing various tumors. This study aimed to clarify the characteristics of tumors developing in LS patients. METHODS: This is a retrospective review of 55 LS patients treated at Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital. RESULTS: The median age at the diagnosis of the first malignant tumor and first LS-related tumor was 44 (range, 19-65) and 44 (range, 24-66) years, respectively...
2018: PloS One
https://www.readbyqxmd.com/read/29671547/screening-for-thyroid-cancer
#20
Elisabeth Kato, David W Niebuhr
No abstract text is available yet for this article.
March 15, 2018: American Family Physician
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