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Differentiated thyroid cancer

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https://www.readbyqxmd.com/read/29470983/development-of-a-functional-thyroid-model-based-on-an-organoid-culture-system
#1
Yoshiyuki Saito, Nobuyuki Onishi, Hiroshi Takami, Ryo Seishima, Hiroyoshi Inoue, Yuki Hirata, Kaori Kameyama, Kenji Tsuchihashi, Eiji Sugihara, Shinya Uchino, Koichi Ito, Hirofumi Kawakubo, Hiroya Takeuchi, Yuko Kitagawa, Hideyuki Saya, Osamu Nagano
The low turnover rate of thyroid follicular cells and the lack of a long-term thyroid cell culture system have hampered studies of thyroid carcinogenesis. We have now established a thyroid organoid culture system that supports thyroid cell proliferation in vitro. The established mouse thyroid organoids performed thyroid functions including thyroglobulin synthesis, iodide uptake, and the production and release of thyroid hormone. Furthermore, transplantation of the organoids into recipient mice resulted in the formation of normal thyroid-like tissue capable of iodide uptake and thyroglobulin production in vivo...
February 19, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29468981/lenvatinib-in-the-therapy-of-aggressive-thyroid-cancer-state-of-the-art-and-new-perspectives-with-patents-recently-applied
#2
Silvia Martina Ferrari, Ilaria Ruffilli, Marco Centanni, Camilla Virili, Gabriele Materazzi, Magdalini Alexopoulou, Mario Miccoli, Alessandro Antonelli, Poupak Fallahi
BACKGROUND AND OBJECTIVE: Lenvatinib is an oral, multitargeted tyrosine kinase inhibitor (TKI) of vascular endothelial growth factor receptors (VEGFR1-VEGFR3), fibroblast growth factor receptors (FGFR1-FGFR4), platelet-derived growth factor receptor (PDGFR)α, rearranged during transfection (RET), and v-kit (KIT) signaling networks implicated in tumor angiogenesis. METHOD: Here we review the scientific literature about lenvatinib in the treatment of thyroid cancer...
February 19, 2018: Recent Patents on Anti-cancer Drug Discovery
https://www.readbyqxmd.com/read/29467858/effects-of-iodine-131-radiotherapy-on-th17-tc17-and-treg-th17-cells-of-patients-with-differentiated-thyroid-carcinoma
#3
Lixia Zhang, Jinyan Chen, Caiyun Xu, Lili Qi, Yan Ren
T helper 17 (Th17), T cytotoxic 17 (Tc17) and regulatory T (Treg) cells serve important roles in a number of inflammatory and autoimmune diseases. The aim of the present study was to examine the distribution of Th17, Tc17 and Treg cells in patients with differentiated thyroid cancer (DTC) prior to as well as 7, 30 and 90 days following radioactive iodine-131 (131 I) therapy, and to elucidate the probable effects of131 I therapy on Th17/Tc17 and Treg/Th17 cells in patients with DTC. A total of 40 patients with DTC (26 female; 14 male) between the ages of 24 and 72 years, as well as 13 age- and sex-matched healthy subjects were included in this study...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29467389/long-glucocorticoid-induced-leucine-zipper-regulates-human-thyroid-cancer-cell-proliferation
#4
Emira Ayroldi, Maria Grazia Petrillo, Maria Cristina Marchetti, Lorenza Cannarile, Simona Ronchetti, Erika Ricci, Luigi Cari, Nicola Avenia, Sonia Moretti, Efisio Puxeddu, Carlo Riccardi
Long glucocorticoid-induced leucine zipper (L-GILZ) has recently been implicated in cancer cell proliferation. Here, we investigated its role in human thyroid cancer cells. L-GILZ protein was highly expressed in well-differentiated cancer cells from thyroid cancer patients and differentiated thyroid cancer cell lines, but poorly expressed in anaplastic tumors. A fusion protein containing L-GILZ, when overexpressed in an L-GILZ-deficient 8505C cell line derived from undifferentiated human thyroid cancer tissue, inhibited cellular proliferation in vitro...
February 21, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29466932/a-single-radioactive-iodine-treatment-has-a-deleterious-effect-on-ovarian-reserve-in-women-with-thyroid-cancer-results-of-a-prospective-pilot-study
#5
Iris Yaish, Foad Azem, Orit Gutfeld, Zmira Silman, Merav Serebro, Orli Sharon, Gabi Shefer, Rona Limor, Naftali Stern, Karen M Tordjman
BACKGROUND: Women of reproductive age with differentiated thyroid cancer (DTC) often need to receive radioactive iodine (RAI) treatment after surgery. In contrast to the well documented effect of RAI on testicular function, the potential negative effects of this treatment on ovarian reserve have been largely dismissed. The objective of this pilot study was to examine the possibility that RAI treatment is deleterious to the ovarian reserve by prospectively measuring the concentration of anti-Müllerian hormone (AMH) after this treatment...
February 21, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29465605/a-false-positive-i-131-finding-of-duodenum-diverticulum-in-thyroid-cancer-evaluation-by-spect-ct-a-case-report
#6
Rang Wang, Ke Zhou, Qiuping Fan, Haotian Chen, Chengzhong Fan
RATIONALE: Iodine-131 (I-131) is a sensitive marker for the detection of differentiated thyroid cancer (DTC). I-131 whole-body scintigraphy (WBS) has been used widely in evaluation of DTC patient. However, I-131 WBS exists many false-positive uptake of I-131 because radioiodine uptake can also be seen in healthy tissue or in a variety of benign and malignant non-thyroidal tumors. PATIENT CONCERNS: A 44-year-old woman with a papillary thyroid carcinoma for the purpose of ablation therapy after a total thyroidectomy...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29460027/could-short-thyroid-hormone-withdrawal-be-an-effective-strategy-for-radioiodine-remnant-ablation-in-differentiated-thyroid-cancer-patients
#7
Arnoldo Piccardo, Matteo Puntoni, Giulia Ferrarazzo, Luca Foppiani, Gianluca Bottoni, Vania Altrinetti, Giorgio Treglia, Mehrdad Naseri, Bassam Dib, Manlio Cabria, Pierpaolo Trimboli, Michela Massollo, Luca Giovanella
PURPOSE: Current guidelines recommend thyroid hormone withdrawal (THW) of 3-4 weeks before radioiodine remnant ablation (RRA) of differentiated thyroid carcinoma (DTC). We aimed to evaluate (1) the reliability of a shorter THW (i.e., 14 days) to achieve adequate TSH levels (i.e., 30 mU/l), (2) the association between length of THW and response to therapy, and (3) the potential association between pre-ablation TSH levels and patients' outcome. METHODS: After thyroidectomy, all patients started LT4 therapy, which was subsequently discontinued in order to perform RRA...
February 19, 2018: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29458221/thyroid-stimulating-hormone-stimulated-human-adipocytes-express-thymic-stromal-lymphopoietin
#8
Loretta Ma, AnneMarie Gagnon, Anne Landry, Timothea Le, Fengxia Xiao, Cathy Sun, Heather A Lochnan, Dylan Burger, Alexander Sorisky
When recombinant human (rh) thyroid-stimulating hormone (TSH) is administered to thyroid cancer survivors, an acute extra-thyroidal effect raises pro-inflammatory cytokines and activates platelets. Thymic stromal lymphopoietin (TSLP) is a cytokine recently implicated in platelet activation. Our aim was to measure platelet microparticle levels after rhTSH stimulation in vivo, and to investigate TSLP expression in TSH-stimulated human adipocytes in culture. Blood samples for total and platelet microparticle analysis were obtained from thyroid cancer survivors before (day 1) and after rhTSH administration (day 5)...
February 19, 2018: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29455653/novel-targeted-therapies-and-immunotherapy-for-advanced-thyroid-cancers
#9
REVIEW
George E Naoum, Michael Morkos, Brian Kim, Waleed Arafat
Thyroid cancer is a frequently encountered endocrine malignancy. Despite the favorable prognosis of this disease, 15-20% of differentiated thyroid cancer (DTC) cases and most anaplastic types, remain resistant to standard treatment options, including radioactive iodine (RAI). In addition, around 30% of medullary thyroid cancer (MTC) cases show resistance after surgery. The evolving understanding of disease-specific molecular therapeutic targets has led to the approval of two targeted therapies (Sorafenib and Lenvatinib) for RAI refractory DTC and another two drugs (Vandetanib and Cabozantinib) for MTC...
February 19, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29455338/extracellular-atp-is-differentially-metabolized-on-papillary-thyroid-carcinoma-cells-surface-in-comparison-to-normal-cells
#10
Ana Paula Santin Bertoni, Rafael Paschoal de Campos, Marisa Tsao, Elizandra Braganhol, Tania Weber Furlanetto, Márcia Rosângela Wink
The incidence of differentiated thyroid cancer has been increasing. Nevertheless, its molecular mechanisms are not well understood. In recent years, extracellular nucleotides and nucleosides have emerged as important modulators of tumor microenvironment. Extracellular ATP is mainly hydrolyzed by NTPDase1/CD39 and NTPDase2/CD39L1, generating AMP, which is hydrolyzed by ecto-5'-nucleotidase (CD73) to adenosine, a possible promoter of tumor growth and metastasis. There are no studies evaluating the expression and functionality of these ectonucleotidases on normal or tumor-derived thyroid cells...
February 17, 2018: Cancer Microenvironment: Official Journal of the International Cancer Microenvironment Society
https://www.readbyqxmd.com/read/29453230/role-of-biomarkers-in-predicting-the-occurrence-of-thyroid-neoplasms-in-radiation-exposed-children
#11
Joseph Shulan, Leonid Vydro, Arthur B Schneider, Dan Mihailescu
With increasing numbers of childhood cancer survivors who were treated with radiation, there is a need to evaluate potential biomarkers that could signal an increased risk of developing thyroid cancer. We aimed to examine the relationships between thyrotropin and thyroglobulin levels and the risk of developing thyroid nodules and cancer in a cohort of radiation exposed children. 806 subjects who were irradiated in the neck area as children were examined and followed for up to 25 years. All subjects underwent a clinical examination, measurements of thyrotropin, thyroglobulin levels and thyroid imaging...
February 16, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29451347/a-rare-case-of-ectopic-papillary-thyroid-carcinoma-transformed-into-squamous-cell-carcinoma
#12
Hironao Yasuoka, Yasushi Nakamura, Ken-Ichi Yoshida, Toshiro Shimo, Masayuki Tori, Yuuki Matsui, Yasushi Sakamaki, Masahiko Tsujimoto
A rare case of a metastatic ectopic papillary thyroid carcinoma (PTC) of the lung that transformed into a squamous cell carcinoma (SCC) that resembles pulmonary SCC is reported. A subcutaneous ectopic PTC in the left anterior neck area, together with a normal thyroid gland, were excised. The ectopic PTC showed thyroglobulin, TTF-1 and PAX-8 immunoreactivity and a BRAF V600E mutation. During the post-operative follow-up period, a rapidly growing 2 cm nodular lesion in the lower left lobe of the lung was detected...
February 16, 2018: Pathology International
https://www.readbyqxmd.com/read/29449729/parotid-metastasis-of-renal-cell-carcinoma-mimicking-primary-clear-cell-oncocytoma-report-of-a-case-and-brief-review-of-the-literature
#13
B J Rocca, A Gini, C Calandra, A Ginori, F Crivelli
Malignancies of the parotid gland are relatively uncommon, accounting for only 3-6% of all head and neck cancers. Most of them are primary neoplasms, metastases are uncommon. Renal cell carcinoma (RCC) represents 3% of adult malignancies, the clear cell type comprises up to 70% of all RCC. RCC has an unpredictable behavior and the unique potential to metastasize to nearly every organ in the body. Though not as frequent, metastatic RCC to the head and neck has been identified in the thyroid, salivary glands, skull base, sinuses, pharynx, tonsils, tongue, lip and skin...
December 2017: Pathologica
https://www.readbyqxmd.com/read/29448931/effects-of-different-extracts-of-curcumin-on-tpc1-papillary-thyroid-cancer-cell-line
#14
Angelica Perna, Antonio De Luca, Laura Adelfi, Tammaro Pasquale, Bruno Varriale, Teresa Esposito
BACKGROUND: The thyroid gland is one of the largest endocrine glands in the body. The vast majority of TCs (> 90%) originate from follicular cells and are defined as differentiated thyroid cancers (DTC) and the two histological subtypes are the papillary TC with its variants and the follicular TC. Curcumin possesses a wide variety of biological functions, and thanks to its properties, it has gained considerable attention due to its profound medicinal values (Prasad, Gupta, Tyagi, and Aggarwal, Biotechnol Adv 32:1053-1064, 2014)...
February 15, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29445865/risk-of-recurrence-in-a-homogeneously-managed-pt3-differentiated-thyroid-carcinoma-population
#15
Nathalie Chereau, Etienne Dauzier, Gaëlle Godiris-Petit, Séverine Noullet, Isabelle Brocheriou, Laurence Leenhardt, Camille Buffet, Fabrice Menegaux
BACKGROUND: International guidelines for the management of differentiated thyroid cancers are based on the 7th TNM classification: pT3 tumors are defined as differentiated thyroid cancers (DTCs) measuring more than 4 cm in their greatest dimension that are limited to the thyroid or any tumor with minimal extrathyroidal extension (ETE; sternothyroid muscle or perithyroid soft tissues). Differences in clinicohistological features and prognosis among patients with pT3 tumors remain controversial, and studies regarding pT3 subgroups are lacking...
February 14, 2018: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/29442477/role-of-thyroid-ultrasound-combined-with-thyroglobulin-in-the-diagnosis-of-postoperative-recurrence-of-thyroid-cancer
#16
Li Zhang, Guilan Zou
BACKGROUND: To study the application value of thyroid ultrasound combined with thyroglobulin (Tg) in the diagnosis of postoperative recurrence of thyroid cancer, so as to provide a reference for clinical practice. METHODS: 80 patients with thyroid cancer who underwent operative treatment for more than 2 times in our hospital from January 2014 to December 2016 were selected as the objects of study. After operation, residual thyroid tissues were removed via131 iodine (131 I)treatment, the serum Tg and thyroid globulin antibody (TgAb) were detected, and the cervical ultrasound was performed...
February 13, 2018: Minerva Endocrinologica
https://www.readbyqxmd.com/read/29438217/suppressed-thyroglobulin-performs-better-than-stimulated-thyroglobulin-in-defining-an-excellent-response-in-patients-with-differentiated-thyroid-cancer
#17
Hou-Yang Hu, Jun Liang, Teng Zhang, Teng Zhao, Yan-Song Lin
PURPOSE: According to the American Thyroid Association guidelines in 2015, both an unstimulated thyroglobulin (u-Tg) below 0.2 ng/ml and a stimulated thyroglobulin (s-Tg) below 1.0 ng/ml were required along with negative imaging findings to define an excellent response. This study aimed to investigate whether a u-Tg below 0.2 ng/ml coincides with a s-Tg below 1 ng/ml. PATIENTS AND METHODS: A total of 290 patients with nonmetastatic differentiated thyroid cancer were retrospectively evaluated with a median follow-up of 36 months...
March 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29433884/squamous-differentiation-in-papillary-thyroid-carcinoma-a-rare-feature-of-aggressive-disease
#18
Toni Beninato, Wouter P Kluijfhout, Frederick Thurston Drake, Elham Khanafshar, Jessica E Gosnell, Wen T Shen, Quan-Yang Duh, Insoo Suh
BACKGROUND: Papillary thyroid carcinoma with squamous differentiation (PTC-SD) is a poorly understood pathologic finding of unknown clinical significance. Selected case reports have suggested that PTC-SD is an aggressive tumor with a poor prognosis. Here we present the largest case series of PTC-SD reported in the United States. MATERIALS AND METHODS: The cancer registry at our tertiary care referral center was reviewed to identify all patients from 1995-2015 who had been diagnosed with PTC-SD on initial total thyroidectomy or lymph node dissection for recurrent disease...
March 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/29430108/impact-of-the-amount-of-liquid-intake-on-the-dose-rate-of-patients-treated-with-radioiodine
#19
Mahdi Haghighatafshar, Aida Banani, Banafsheh Zeinali-Rafsanjani, Zahra Etemadi, Tahereh Ghaedian
Purpose: Despite therapeutic effects of radioiodine in patients with differentiated thyroid cancer, there are some disadvantages due to harmful radiation to other tissues. According to the current guidelines, patients are recommended to drink lots of water and frequent voiding to reduce the amount of 131 I in the body. This study was designed to assess the impact of the amount of liquid intake on reduction of the measured dose rate of radioiodine-treated patients. Materials and Methods: A total of 42 patients with differentiated thyroid cancer without metastasis who had undergone total thyroidectomy and had been treated with radioiodine were selected...
January 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29427661/mir-199a-5p-inhibits-the-progression-of-papillary-thyroid-carcinoma-by-targeting-snai1
#20
Sugang Ma, Wei Jia, Shiyu Ni
BACKGROUND: Increasing evidence has emphasized the important roles of differentially expressed miRNAs in papillary thyroid cancer (PTC) development. miR-199a-5p was previously documented to be downregulated in PTCs compared with normal thyroids. However, the role of miR-199a-5p in the progression of PTC and the underlying mechanism remain to be further addressed. METHODS: miR-199a-5p and snail family zinc finger 1 (SNAI1) mRNA expressions in PTC tissues and cells were detected by qRT-PCR...
February 8, 2018: Biochemical and Biophysical Research Communications
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