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https://www.readbyqxmd.com/read/28821980/serum-calcitonin-reference-values-for-calcium-stimulation-tests-by-electrochemiluminescence-immunoassay-in-japanese-men-with-non-medullary-thyroid-carcinoma
#1
Minoru Kihara, Akira Miyauchi, Takumi Kudo, Mitsuyoshi Hirokawa, Akihiro Miya
PURPOSE: Calcitonin is the most sensitive tumor marker of medullary thyroid carcinoma (MTC) and a calcium stimulation test is used to improve this sensitivity. In Japan, the electrochemiluminescence immunoassay (ECLIA) is currently the only test performed to measure serum calcitonin. There is a gender difference in the reference value of serum calcitonin; however, a reference upper limit for use with ECLIA has been reported only for women, but not for men. METHODS: We conducted the calcium stimulation test using ECLIA in 21 men with non-medullary thyroid carcinoma (non-MTC), before and after total thyroidectomy...
August 18, 2017: Surgery Today
https://www.readbyqxmd.com/read/28817602/exploring-the-potential-of-a-structural-alphabet-based-tool-for-mining-multiple-target-conformations-and-target-flexibility-insight
#2
Leslie Regad, Jean-Baptiste Chéron, Dhoha Triki, Caroline Senac, Delphine Flatters, Anne-Claude Camproux
Protein flexibility is often implied in binding with different partners and is essential for protein function. The growing number of macromolecular structures in the Protein Data Bank entries and their redundancy has become a major source of structural knowledge of the protein universe. The analysis of structural variability through available redundant structures of a target, called multiple target conformations (MTC), obtained using experimental or modeling methods and under different biological conditions or different sources is one way to explore protein flexibility...
2017: PloS One
https://www.readbyqxmd.com/read/28812918/tyrosine-kinase-inhibitors-for-advanced-or-metastatic-thyroid-cancer-a-meta-analysis-of-randomized-controlled-trials
#3
Jen-Wei Liu, Chiehfeng Chen, El-Wui Loh, Chun-Cheng Chu, Mu-Yi Wang, Hsin-Ju Ouyang, Ya-Ting Chang, Wei-Zhan Zhuang, Ching-Wen Chou, Der-Jr Huang, Chia-Hwa Lee, Yun Yen, Ka-Wai Tam
BACKGROUND AND AIMS: Radioiodine-refractory advanced or metastatic thyroid cancer has poor prognosis. We conducted a meta-analysis of randomized controlled trials to evaluate the effectiveness and safety of tyrosine kinase inhibitors (TKIs) for advanced or metastatic thyroid cancer treatment. METHODS: Studies published until April 2017 were selected. The pooled effect size was calculated through meta-analysis by using random effects models. Outcomes were overall survival (OS), progression-free survival (PFS), objective response rate (RR), and adverse events (AEs)...
August 16, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28796804/adaptive-mcs-selection-and-resource-planning-for-energy-efficient-communication-in-lte-m-based-iot-sensing-platform
#4
Nhu-Ngoc Dao, Minho Park, Joongheon Kim, Sungrae Cho
As an important part of IoTization trends, wireless sensing technologies have been involved in many fields of human life. In cellular network evolution, the long term evolution advanced (LTE-A) networks including machine-type communication (MTC) features (named LTE-M) provide a promising infrastructure for a proliferation of Internet of things (IoT) sensing platform. However, LTE-M may not be optimally exploited for directly supporting such low-data-rate devices in terms of energy efficiency since it depends on core technologies of LTE that are originally designed for high-data-rate services...
2017: PloS One
https://www.readbyqxmd.com/read/28760434/micronutrient-status-calcium-zinc-vitamins-d-and-e-in-patients-with-medullary-thyroid-carcinoma-a-cross-sectional-study
#5
Ali Emami, Mohammad Reza Nazem, Reza Shekarriz, Mehdi Hedayati
OBJECTIVE: The aim of this study was to evaluate the micronutrient status of Iranian patients with medullary thyroid carcinoma (MTC) and to analyze potential relationships with respect to MTC risk. METHODS: This was a cross-sectional study (Tehran Thyroid Cancer Survey 2015-2016). We measured and compared preoperative serum calcium, zinc, and vitamins D and E in patients with MTC and healthy controls. Forty cases with MTC and 40 (age-, sex-, and body mass index-matched) healthy controls voluntarily participated in the project...
September 2017: Nutrition
https://www.readbyqxmd.com/read/28758568/mother-to-child-hiv-transmission-prevention-programs-in-a-sub-saharan-african-setting-the-gabonese-experience
#6
Armel Mintsa-Ndong, Corneille Ndong-Ella, Roselyne K Boussougou, Léatitia M Busugu, Alexandre Mba, Franck A Agwambouet, Nicolas Barro, Joel F Djoba Siawaya
In many developing countries, mothers' awareness remains a challenge despite the scaling up of antenatal care and programs preventing mother-to-child (MTC) HIV transmission. The present study was done in Libreville, Gabon where all antenatal care (delivery included) is free of charge. Here we assessed the timing of antenatal antiretroviral (ARV) prophylaxis initiation, HIV-exposed infants' age at their first postnatal HIV check visit and investigated the association between mothers' awareness or knowledge on their ARV therapy and infants' HIV infection...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28756409/female-and-younger-subjects-have-lower-adherence-in-prep-trials-a-meta-analysis-with-implications-for-the-uptake-of-prep-service-to-prevent-hiv
#7
REVIEW
Ke Yun, Jun-Jie Xu, Jing Zhang, Jia-Ming Li, Qing-Hai Hu, Zhen-Xing Chu, Yong-Jun Jiang, Wen-Qing Geng, Hong Shang, Ning Wang
OBJECTIVE: To estimate the medicine-taking compliance (MTC) level, explore its facilitators and barriers, and quantify the association between MTC level and pre-exposure prophylaxis (PrEP) protective efficacy in individuals at risk of acquiring HIV being administered oral PrEP. DESIGN: Meta-analysis. DATA SOURCES: We searched PubMed, Cochrane and Embase databases for published randomized controlled trials (RCTs) pertaining to MTC of oral PrEP for HIV prevention up to 16 January 2017...
July 29, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28747092/clinical-features-of-a-family-with-multiple-endocrine-neoplasia-type-2a-caused-by-the-d631y-mutation
#8
Naykky M Singh Ospina, Spyridoula Maraka, Diane Donegan, John C Morris
We describe a family with multiple endocrine neoplasia type 2A (MEN2A) caused by the D631Y RET mutation resulting in an atypical phenotype. The index case was a 24-year-old man, with history of recurrent anaplastic ependymoma incidentally found to have the D631Y RET mutation. At first assessment, 4 family-members had evidence of large pheochromocytoma (PHEO). One patient was found to have micro-medullary thyroid cancer (MTC) at age 79. None of the patients had primary hyperparathyroidism. Patients with MEN2A caused by a D631Y RET mutation most commonly present with PHEO...
July 26, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28729773/is-new-american-thyroid-association-risk-classification-for-hereditary-medullary-thyroid-carcinoma-applicable-to-chinese-patients-a-single-center-study
#9
Xiwei Zhang, Dangui Yan, Junyi Wang, Hanfeng Wan, Yongxia Zhang, Yabing Zhang, Yuqin He, Wensheng Liu, Bin Zhang
OBJECTIVE: The American Thyroid Association (ATA) proposed a new risk classification for hereditary medullary thyroid carcinoma (MTC) in 2015. This study aimed to assess whether the new guidelines are suitable for the Chinese population, and reported our experience on prophylactic thyroidectomy. METHODS: A total of 73 patients from 22 families were screened as rearranged during transfection (RET) mutation carriers from 2010 to 2016 in Cancer Hospital, Chinese Academy of Medical Science; the medical history for each patient was collected...
June 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28729202/high-proportion-of-modern-genotypes-of-m-tuberculosis-and-their-affinity-with-drug-resistance-in-northern-region-of-india
#10
Sunil Kumar Dhatwalia, Rakesh Yadav, Digambar Behera, Harsimran Kaur, Manoj Kumar, Sunil Sethi
OBJECTIVES: Comparative genomics on the basis of TbD1 deletion has differentiated the members of Mycobacterium tuberculosis complex (MTC) in two major genogroups. They exhibit differential distribution and virulence potential. The present study was carried out to see the proportion of these genogroups and their association with drug resistance. METHODS: The drug resistance pattern of 205 culture positive cases of M. tuberculosis and their relation with TbD1 deletion was analysed from the tertiary care centre...
July 17, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28715708/the-evaluation-of-brain-perfusion-spect-using-an-easy-z-score-imaging-system-in-the-mild-cognitive-impairment-subjects-with-brain-amyloid-%C3%AE-deposition
#11
Makoto Takemaru, Noriyuki Kimura, Yoshitake Abe, Megumi Goto, Etsuro Matsubara
OBJECTIVE: The analysis of (99)mTc-ECD single-photon emission computed tomography (SPECT) images using the easy Z-score imaging system (eZIS) program is useful for the diagnosis of early AD in daily medical practice. However, it remains unclear whether eZIS analysis can identify the amnestic mild cognitive impairment (MCI) subjects with brain amyloid-β deposition. The aim of this study was to evaluate the usefulness of an eZIS analysis for predicting amnestic MCI subjects with brain amyloid β deposition...
September 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28712721/comprehensive-cost-of-illness-of-three-major-diseases-in-japan
#12
Kunichika Matsumoto, Simpei Hanaoka, Yinghui Wu, Tomonori Hasegawa
OBJECTIVE: The purpose of this study was to calculate the burden of 3 major diseases (cancer, heart disease, and cerebrovascular disease [CVD]) using the cost of illness (COI) method. METHODS: As a modification of the original COI method developed by Rice, the estimated comprehensive COI (C-COI) of cancer, heart disease, and CVD were redefined. C-COI consists of medical direct, morbidity, and mortality costs (MtCs; components of the original COI); long-term care (LTC) direct cost (DC); and family burden (FB)...
September 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28698976/medullary-thyroid-cancer-clinical-characteristics-and-new-insights-into-therapeutic-strategies-targeting-tyrosine-kinases
#13
REVIEW
Sadegh Rajabi, Mehdi Hedayati
Medullary thyroid carcinoma (MTC) is a hyperplasia of thyroid C-cells, accounting for 5-10% of all thyroid cancers. MTCs may appear as sporadic or hereditary forms, and several molecules and signaling pathways have been found to function defectively in MTC cells. Tyrosine kinases are the most well-studied molecules that have abnormal function in these tumor cells. Due to their limited response, chemotherapeutic agents and radiation therapy are not effective in treating patients with advanced metastatic MTC...
July 11, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28698189/a-comprehensive-review-on-men-2b
#14
Frederic Castinetti, Jeff Moley, Lois M Mulligan, Steven G Waguespack
MEN2B is a very rare autosomal dominant hereditary tumor syndrome associated with medullary thyroid carcinoma (MTC) in 100% cases, pheochromocytoma in 50% cases, and multiple extra-endocrine features, many of which can be quite disabling. Only few data are available in the literature. The aim of this review is to try to give further insights into the natural history of the disease and to point out the missing evidence that would help clinicians optimize the management of such patients. MEN2B is mainly characterized by the early occurrence of MTC, which led the American Thyroid Association to recommend preventive thyroidectomy before the age of 1...
July 11, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28687633/united-states-and-european-multicenter-prospective-study-for-the-analytical-performance-and-clinical-validation-of-a-novel-sensitive-fully-automated-immunoassay-for-calcitonin
#15
George J Kahaly, Alicia Algeciras-Schimnich, Thomas E Davis, Tanja Diana, Joachim Feldkamp, Stefan Karger, Jochem König, Mark A Lupo, Friedhelm Raue, Matthew D Ringel, Jennifer A Sipos, Juergen Kratzsch
BACKGROUND: The objective of this study is the validation and proof of clinical relevance of a novel electrochemiluminescence immunoassay (ECLIA) for the determination of serum calcitonin (CT) in patients with medullary thyroid carcinoma (MTC) and in different diseases of the thyroid and of calcium homeostasis. METHODS: This was a multicenter prospective study on basal serum CT concentrations performed in 9 US and European referral institutions. In addition, stimulated CT concentrations were measured in 50 healthy volunteers after intravenous calcium administration (2...
July 7, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28687563/axitinib-treatment-in-advanced-rai-resistant-differentiated-thyroid-cancer-dtc-and-refractory-medullary-thyroid-cancer-mtc
#16
Jaume Capdevila, Jose Manuel Trigo, Javier Aller, Jose Luis Manzano, Silvia Garcia-Adrian, Carles Zafon, Oscar Reig, Uriel Bohn, Teresa Ramon Y Cajal, Manuel Duran, Beatriz Gonzalez-Astorga, Ana Lopez-Alfonso, Javier Medina, Ignacio Porras, Juan Jose Reina, Nuria Palacios, Enrique Grande, Elena Cillan, Ignacio Matos, Juan Jose Grau
BACKGROUND: Axitinib, an antiangiogenic multikinase inhibitor (MKI) was evaluated in the compassionate-use-program in Spain (October 2012-November 2014). MATERIALS AND METHODS: 47 patients with advanced radioactive iodine-refractory differentiated thyroid cancer (DTC, n=34) or medullary thyroid cancer (MTC, n=13) with documented disease progression were treated with axitinib 5 mg bid. The primary efficacy endpoint was overall response rate (ORR) by RECIST v1.1. Progression-free survival (PFS) and adverse events (AEs) were secondary objectives...
July 7, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28686583/interfacing-3d-magnetic-twisting-cytometry-with-confocal-fluorescence-microscopy-to-image-force-responses-in-living-cells
#17
Yuejin Zhang, Fuxiang Wei, Yeh-Chuin Poh, Qiong Jia, Junjian Chen, Junwei Chen, Junyu Luo, Wenting Yao, Wenwen Zhou, Wei Huang, Fang Yang, Yao Zhang, Ning Wang
Cells and tissues can undergo a variety of biological and structural changes in response to mechanical forces. Only a few existing techniques are available for quantification of structural changes at high resolution in response to forces applied along different directions. 3D-magnetic twisting cytometry (3D-MTC) is a technique for applying local mechanical stresses to living cells. Here we describe a protocol for interfacing 3D-MTC with confocal fluorescence microscopy. In 3D-MTC, ferromagnetic beads are bound to the cell surface via surface receptors, followed by their magnetization in any desired direction...
July 2017: Nature Protocols
https://www.readbyqxmd.com/read/28683235/prognostic-variables-affecting-primary-treatment-outcome-for-medullary-thyroid-cancer
#18
Suhael Momin, Deborah Chute, Brian Burkey, Joseph Scharpf
OBJECTIVE: Identifying prognostic risk factors and determining the efficacy of common surgical treatments is critical to determine optimal treatment strategies for patients with medullary thyroid carcinoma (MTC). The objective of this study was to review a contemporary institutional experience with medullary thyroid carcinoma primary treatment with two goals: to identify prognostic factors that affect survival and to study the effect of neck dissection on those outcomes. METHODS: This study is a retrospective case series of patients with MTC who underwent at least a total thyroidectomy with curative intent...
July 6, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28677026/circulating-leptin-and-adiponectin-and-breast-density-in-premenopausal-mexican-women-the-mexican-teachers-cohort
#19
L Dossus, S Rinaldi, C Biessy, M Hernandez, M Lajous, A Monge, E Ortiz-Panozo, E Yunes, R Lopez-Ridaura, G Torres-Mejía, I Romieu
PURPOSE: Leptin and adiponectin are produced by the adipose tissue. Mammographic density (MD) is one of the strongest predictors of breast cancer (BC) and is highly influenced by adiposity. How the interplay between MD, obesity, and obesity-related biomarkers influences BC risk, however, is still unknown, especially in premenopausal women, where adiposity seems to be protective for BC. The aim of the present study was to explore the association between circulating leptin, adiponectin, and their ratio, with MD in Mexican premenopausal women who are part of the large Mexican Teachers' Cohort (MTC)...
July 4, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28676824/prognostic-impact-of-mir-224-and-ras-mutations-in-medullary-thyroid-carcinoma
#20
Elisabetta Cavedon, Susi Barollo, Loris Bertazza, Gianmaria Pennelli, Francesca Galuppini, Sara Watutantrige-Fernando, Simona Censi, Maurizio Iacobone, Clara Benna, Federica Vianello, Stefania Zovato, Davide Nacamulli, Caterina Mian
Little is known about the function of microRNA-224 (miR-224) in medullary thyroid cancer (MTC). This study investigated the role of miR-224 expression in MTC and correlated it with mutation status in sporadic MTCs. A consecutive series of 134 MTCs were considered. Patients had a sporadic form in 80% of cases (107/134). In this group, REarranged during transfection (RET) and rat sarcoma (RAS) mutation status were assessed by direct sequencing in the tumor tissues. Quantitative real-time polymerase chain reaction was used to quantify mature hsa-miR-224 in tumor tissue...
2017: International Journal of Endocrinology
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