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https://www.readbyqxmd.com/read/29045837/the-circadian-clock-gene-bmal1-controls-thyroid-hormone-mediated-spectral-identity-and-cone-photoreceptor-function
#1
Onkar B Sawant, Amanda M Horton, Olivia F Zucaro, Ricky Chan, Vera L Bonilha, Ivy S Samuels, Sujata Rao
Circadian clocks regulate various aspects of photoreceptor physiology, but their contribution to photoreceptor development and function is unclear. Cone photoreceptors are critical for color vision. Here, we define the molecular function of circadian activity within cone photoreceptors and reveal a role for the clock genes Bmal1 and Per2 in regulating cone spectral identity. ChIP analysis revealed that BMAL1 binds to the promoter region of the thyroid hormone (TH)-activating enzyme type 2 iodothyronine deiodinase (Dio2) and thus regulates the expression of Dio2...
October 17, 2017: Cell Reports
https://www.readbyqxmd.com/read/29045520/overall-survival-analysis-of-exam-a-phase-3-trial-of-cabozantinib-in-patients-with-radiographically-progressive-medullary-thyroid-carcinoma
#2
M Schlumberger, R Elisei, S Müller, P Schöffski, M Brose, M Shah, L Licitra, J Krajewska, M C Kreissl, B Niederle, E E W Cohen, L Wirth, H Ali, D O Clary, Y Yaron, M Mangeshkar, D Ball, B Nelkin, S Sherman
Background: Primary analysis of the double-blind, phase 3 EXAM trial demonstrated significant improvement in progression-free survival (PFS) with cabozantinib versus placebo in patients with progressive medullary thyroid cancer (MTC). Final analysis of overall survival (OS), a key secondary endpoint, was performed after long-term follow-up. Patients and Methods: EXAM compared cabozantinib with placebo in 330 patients with documented radiographic progression of metastatic MTC...
September 22, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29045188/rapid-evolution-of-thyroid-dysfunction-in-patients-treated-with-nivolumab
#3
Grenye O'Malley, Hanna J Lee, Samir Parekh, Matthew D Galsky, Cardinale B Smith, Philip Friedlander, Robert T Yanagisawa, Emily J Gallagher
OBJECTIVE: To describe the evolution of thyroid dysfunction in a series of patients with cancer treated with the immune checkpoint inhibitor anti-programmed cell death protein-1 (PD-1) monoclonal antibody, nivolumab. METHODS: Cases of thyroid dysfunction after initiation of checkpoint inhibitor treatment were identified from the Division of Endocrinology clinical practice at Mount Sinai Hospital, New York from April 2016 to February 2017. Charts were reviewed to identify patients treated with nivolumab with new onset of thyroid dysfunction...
October 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29044788/management-of-the-lateral-neck-compartment-in-patients-with-sporadic-medullary-thyroid-cancer
#4
Israel Pena, Gary L Clayman, Elizabeth G Grubbs, Jeffrey M Bergeron, Steven G Waguespack, Maria E Cabanillas, Ramona Dadu, Mimi I Hu, Bryan M Fellman, Yisheng Li, Neil D Gross, Stephen Y Lai, Erich M Sturgis, Mark E Zafereo
BACKGROUND: The purpose of this retrospective analysis was to evaluate the benefits of an elective lateral neck dissection (ELND) in patients with medullary thyroid cancer (MTC) without radiographically apparent lateral neck metastases. METHODS: Patients with sporadic MTC without radiographic evidence of lateral neck metastasis who underwent definitive surgery were divided into 2 groups based on surgical approach: no ELND (the observation group) and ipsilateral or bilateral ELND (the ELND group)...
October 16, 2017: Head & Neck
https://www.readbyqxmd.com/read/29044769/human-papillomavirus-vaccination-of-adult-women-and-risk-of-autoimmune-and-neurological-diseases
#5
A Hviid, H Svanström, N M Scheller, O Grönlund, B Pasternak, L Arnheim-Dahlström
BACKGROUND: Since 2006, human papillomavirus (HPV) vaccines have been introduced in many countries worldwide. Whilst safety studies have been reassuring, focus has been on the primary target group, the young adolescent girls. However, it is also important to evaluate safety in adult women where background disease rates and safety issues could differ significantly. OBJECTIVE: We took advantage of the unique Danish and Swedish nationwide healthcare registers to conduct a cohort study comparing incidence rate ratios (RRs) of 45 preselected serious chronic diseases in quadrivalent HPV (qHPV)-vaccinated and qHPV-unvaccinated adult women 18-44 years of age...
October 18, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/29044641/qualitative-and-semiquantitative-elastography-for-the-diagnosis-of-intermediate-suspicious-thyroid-nodules-based-on-the-2015-american-thyroid-association-guidelines
#6
Bo Ra Yang, Eun-Kyung Kim, Hee Jung Moon, Jung Hyun Yoon, Vivian Y Park, Jin Young Kwak
OBJECTIVES: To evaluate qualitative and semiquantitative elastography for the diagnosis of intermediate suspicious thyroid nodules based on the 2015 American Thyroid Association (ATA) guidelines. METHODS: Through a retrospective search of our institutional database, 746 solid thyroid nodules found on grayscale ultrasonography, strain elastography, and ultrasound-guided fine-needle aspiration between June and November 2009 were collected. Among them, 80 nodules from 80 patients with an intermediate suspicion of malignancy based on the 2015 ATA guidelines that were 10 mm or larger were recruited as the final study nodules...
October 16, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29044514/ccdc6-the-identity-of-a-protein-known-to-be-partner-in-fusion
#7
REVIEW
Aniello Cerrato, Francesco Merolla, Francesco Morra, Angela Celetti
Coiled Coil Domain Containing 6 gene, CCDC6, was initially isolated as part of a tumorigenic DNA originated by the fusion of CCDC6 with the tyrosine kinase of RET receptor, following a paracentric inversion of chromosome 10. For a long time CCDC6 has been considered as an accidental partner of the RET protooncogene, providing the promoter and the first 101 aa necessary for the constitutive activation of the oncogenic Tyrosine Kinase (TK) RET in thyroid cells. With the advent of more refined diagnostic tools and bioinformatic algorithms, an exponential growth in fusion genes discoveries has allowed the identification of CCDC6 as partner of genes other than RET in different tumor types...
October 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29044344/persistent-severe-hypokalemia-gitelman-syndrome-and-differential-diagnosis
#8
Christine Zomer Dal Molin, Daisson José Trevisol
The main causes of hypokalemia are usually evident in the clinical history of patients, with previous episodes of vomiting, diarrhea or diuretic use. However, in some patients the cause of hypokalemia can become a challenge. In such cases, two major components of the investigation must be performed: assessment of urinary excretion potassium and the acid-base status. This article presents a case report of a patient with severe persistent hypokalemia, complementary laboratory tests indicated that's it was hypomagnesaemia and hypocalciuria associated with metabolic alkalosis, and increase of thyroid hormones...
July 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29044289/preoperative-diagnostics-in-differentiated-thyroid-carcinoma
#9
Philipp Seifert, Martin Freesmeyer
AIM: The preoperative diagnosis of differentiated thyroid carcinomas (DTC) is particularly challenging in view of the high prevalence of thyroid nodules in the general population. Incidental diagnosis of DTC, on the other hand, can lead to reoperations and increased risk of morbidity. This study aimed to assess the prediction value of preoperative DTC dignity assessment and it's impact on surgical approaches. METHODS: We retrospectively reviewed 107 cases of DTC and subdivided them in three groups based on the preoperative dignity assessment: suspected malignancy (SM), unclear dignity (UD), and incidental findings (IF)...
October 18, 2017: Nuklearmedizin. Nuclear Medicine
https://www.readbyqxmd.com/read/29044016/drug-induced-hypothyroidism
#10
Leonardo F L Rizzo, Daniela L Mana, Héctor A Serra
The thyroid axis is particularly prone to interactions with a wide variety of drugs, whose list increases year by year. Hypothyroidism is the most frequent consequence of drug-induced thyroid dysfunction. The main mechanisms involved in the development of primary hypothyroidism are: inhibition of the synthesis and/or release of thyroid hormones, immune mechanisms related to the use of interferon and other cytokines, and the induction of thyroiditis associated with the use of tyrosine kinase inhibitors and drugs blocking the receptors for vascular endothelial growth factor...
2017: Medicina
https://www.readbyqxmd.com/read/29043872/a-rare-case-of-polyglandular-autoimmune-syndrome-type-iiic-with-primary-antibody-failure
#11
Adina Elena Stanciu, Florentina Sava, Gergely Toldi
Primary antibody deficiency syndromes are a rare group of disorders present at any age, with complex polygenic disorders. We report the forth case of polyglandular autoimmune syndrome (PAS) type IIIc worldwide with complex clinical features and no family history of endocrine disorders or primary immunodeficiencies. Our patient, a 44-year-old Caucasian female was diagnosed with PAS type IIIc due to the presence of autoimmune thyroiditis, autoimmune alopecia diffusa and primary ovarian insufficiency, associated with lymphoproliferative disease and primary antibody failure...
October 18, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29043757/there-is-no-association-between-the-presence-of-anti-thyroid-antibodies-and-increased-reproductive-loss-in-pregnant-women-after-art-a-systematic-review-and-meta-analysis
#12
REVIEW
Paz Leiva, Juan Enrique Schwarze, Pamela Vasquez, Carolina Ortega, Sonia Villa, Javier Crosby, José Balmaceda, Ricardo Pommer
Women submitted to ART treatments represent a select subgroup of individuals. Several studies have described the relationship between TAI and pregnancy outcomes as a result of ART, with contradictory results. The purpose of this systematic review was to determine the association between TAI and the risk of miscarriage in pregnancies resulting from ART. MEDLINE via PubMed, LILACS and Embase were searched for studies published in peer-reviewed journals from 1999 to 2017. The studies were summarized using the fixed effects model and the Peto's method to calculate RR in order to flesh out the association between TAI and spontaneous abortion...
October 18, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29043574/characterization-and-implications-of-thyroid-dysfunction-induced-by-immune-checkpoint-inhibitors-in-real-life-clinical-practice-a-long-term-prospective-study-from-a-referral-institution
#13
F Guaraldi, R La Selva, M T Samà, V D'Angelo, D Gori, P Fava, M T Fierro, P Savoia, E Arvat
PURPOSE: Autoimmune diseases are typically associated with immune checkpoints blockade. This study aims at assessing, in real-life clinical practice, the prevalence and impact of thyroid disorders induced by immune checkpoint inhibitors. METHODS: 52 patients (30 F; age 61 ± 13 years) with advanced melanoma treated with ipilimumab (3 mg/kg i.v./3 weeks; 4 doses) were included. For disease progression, 29 (16 F) of them received nivolumab (3 mg/kg i.v./2 weeks) or pembrolizumab (2 mg/kg i...
October 17, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29043478/the-compensatory-enlargement-of-the-remaining-thyroid-lobe-following-hemithyroidectomy-is-small-and-without-impact-on-symptom-relief
#14
Frederik Schultz Pustelnik, Casper Gronbek, Helle Døssing, Nina Nguyen, Steen Joop Bonnema, Laszlo Hegedüs, Christian Godballe, Jesper Roed Sorensen
According to previous studies, hemithyroidectomy results in growth of the remaining thyroid lobe by up to 30% in first 12 months after surgery. However, this estimate is based on imprecise methods, high inter- and intra-observer variability, and lack of blinding of the measurements. Furthermore, it is unknown whether enlargement of the remaining hemi-thyroid interferes with the improvement in symptoms after surgery for goiter. We aimed to assess the impact of postoperative thyroid growth on goiter symptom relief following hemithyroidectomy in patients with benign nodular goiter...
October 17, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29043407/changes-in-swallowing-symptoms-and-esophageal-motility-after-thyroid-surgery-a-prospective-cohort-study
#15
Jesper Roed Sorensen, Simone Markoew, Helle Døssing, Laszlo Hegedüs, Steen Joop Bonnema, Christian Godballe
INTRODUCTION: Swallowing difficulties, the pathophysiology behind which is incompletely understood, have been reported in 47-83% of goiter patients referred for thyroidectomy. We aimed at examining the influence of thyroid surgery on swallowing symptoms and esophageal motility. METHODS: Thirty-three patients with benign nodular goiter undergoing thyroid surgery were included. All completed high-resolution esophageal manometry examinations and the goiter symptom scale score, assessed by the thyroid-specific patient-reported outcome measure...
October 11, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29043075/recent-advances-in-understanding-autoimmune-thyroid-disease-the-tallest-tree-in-the-forest-of-polyautoimmunity
#16
REVIEW
Sofie Bliddal, Claus Henrik Nielsen, Ulla Feldt-Rasmussen
Autoimmune thyroid disease (AITD) is often observed together with other autoimmune diseases. The coexistence of two or more autoimmune diseases in the same patient is referred to as polyautoimmunity, and AITD is the autoimmune disease most frequently involved. The occurrence of polyautoimmunity has led to the hypothesis that the affected patients suffer from a generalized dysregulation of their immune system. The present review summarizes recent discoveries unravelling the immunological mechanisms involved in autoimmunity, ranging from natural autoimmunity to disease-specific autoimmunity...
2017: F1000Research
https://www.readbyqxmd.com/read/29042997/cd19-cd24-hi-cd38-hi-regulatory-b-cells-are-associated-with-insulin-resistance-in-type-i-hashimoto-s-thyroiditis-in-chinese-females
#17
Min Yang, Changji Du, Yinping Wang, Jun Liu
Hashimoto's thyroiditis (HT) is typically associated with insulin resistance. The aim of the present study was to investigate the role of regulatory B cells (Bregs) in insulin resistance in patients with HT. A total of 52 female patients with type I HT and 35 matched healthy volunteers were enrolled. Demographic and laboratorial data were collected. A 75 g oral glucose tolerance test was performed on each subject. Flow cytometry was performed to evaluate the levels of CD19(+)CD24(hi)CD38(hi) Bregs in peripheral blood...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29042969/silencing-of-tctn1-inhibits-proliferation-induces-cell-cycle-arrest-and-apoptosis-in-human-thyroid-cancer
#18
Peipei Xu, Xiaotian Xia, Zhili Yang, Yuan Tian, Jianzhong Di, Minggao Guo
Tectonic family member 1 (TCTN1) is one of the tectonic family members, and a regulator of the hedgehog signaling pathway, which has been studied in various cancer types, including prostate and pancreatic cancer. However, its function in thyroid cancer has not been well documented. Therefore, the present study investigated the function of TCTN1 in thyroid cancer using a loss-of-function assay. Lentivirus-mediated RNA interference was applied to downregulate TCTN1 in the thyroid cancer cell lines, CAL62 and 8305C...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29042930/relevance-of-clinical-features-in-the-prognosis-of-bronchopulmonary-dysplasia-in-premature-infants
#19
Zhifang Du, Xiangyong Kong, Yanli Ren, Zhichun Feng, Junjin Huang, Jia Chen, Ruijuan Wang
The aim of this study is to determine the accuracy rate of bronchopulmonary dysplasia (BPD) diagnosis and risk factors of short-term poor prognosis for premature infants. This study analyzed the clinical data of 81 premature infants (<32 weeks gestational age) with BPD, who were on oxygen therapy >28 days, and survived >36 weeks (corrected age). Outcome measures included treatments, conditions on the 28th day after birth, oxygen therapy conditions at the 36th week, occurrence of any serious complications during hospital stay...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29042887/the-prevalence-of-depression-among-patients-with-the-top-ten-most-common-cancers-in-south-korea
#20
Boram Park, Soyoung Youn, Ki-Kyung Yi, Su-Yeon Lee, Jung-Sun Lee, Seockhoon Chung
OBJECTIVE: Among the various psychiatric disorders, depression is a common comorbid condition in cancer patients. Due to the distinct and diverse nature of cancer, the prevalence of depression may be assumed to be affected by differences in primary cancer sites. In this study, we explored the prevalence rates of depression among the ten most prevalent cancers in South Korea using a national patient sample. METHODS: This was a 1-year cross-sectional study using a national patient sample provided by the South Korean National Health Insurance in 2011...
September 2017: Psychiatry Investigation
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