Angiotensin-Converting Enzyme (ACE) level, but not ACE gene polymorphism, is associated with prognosis of COVID-19 infection: Implications for diabetes and hypertension.

Background: The renin-angiotensin-aldosterone system was shown to be activated in severe COVID-19 infection. We aimed to investigate the relationship between angiotensin converting enzyme (ACE) levels, ACE gene polymorphism, type 2 diabetes (T2DM), and hypertension (HT) and the prognosis of COVID-19 infection.

Methods: This cross-sectional study analyzed the clinical features of adult patients with SARS-CoV-2 infection.

The Effect of Hormone Replacement Treatment on Hearing Function in Hypothyroid Patients.

Unlabelled: Congenital hypothyroidism causes physiologic, morphologic and developmental abnormalities of the auditory system. However, the effect of acquired hypothyroidism and hormone replacement treatment (HRT) on hearing function is still controversial. This study aimed to investigate hearing impairment and the effect of HRT on hearing function in patients with acquired hypothyroidism.

Corticomedullary Mixed Tumor of the Adrenal Gland with Apparent F-Fluorodeoxyglucose Activity But No GA-DOTATATE Uptake on Positron Emission Tomography/Computed Tomography.

Corticomedullary mixed tumor (CMT) is a single adrenal tumor mass composed histologically by an admixture of adrenal cortical and medullary cells. It is a rare condition, with approximately 20 cases reported to date. To our knowledge, the positron emission tomography (PET) imaging findings of this mostly benign tumor have not been reported in the literature.

Accurate interpretation of thyroid dysfunction during pregnancy: should we continue to use published guidelines instead of population-based gestation-specific reference intervals for the thyroid-stimulating hormone (TSH)?

Background: Considering the changes in thyroid physiology associated with pregnancy and poor outcomes related to abnormal maternal thyroid function, international guidelines recommend using population-based trimester-specific reference intervals (RIs) for thyroid testing. If these RIs are not available in the laboratory, implementing recommended fixed cut-off values globally is still controversial. To address this issue, we aimed to establish appropriate RI of thyroid-stimulating hormone (TSH) in pregnant Turkish women for our laboratory and compare the prevalence of thyroid dysfunction based on the established and recommended criteria.

Effects of vitamin D receptor gene polymorphisms on the prognosis of COVID-19.

Purpose: Vitamin D deficiency has emerged as another potential risk factor for coronavirus disease (COVID-19) due to the immunomodulatory effects of 25 hydroxyvitamin D [25 (OH)D]. Vitamin D receptor (VDR) gene polymorphisms such as Fok I, Bsm I, Apa I, and Taq I are also associated with different courses of viral infections. This study aimed to evaluate the association between the VDR gene polymorphism at Fok I, Taq I, Bsm I, and Apa I genotypes and the prognosis of COVID-19 in respect to vitamin D deficiency.

Role of testosterone to estradiol ratio in predicting the efficacy of recombinant human chorionic gonadotropin and testosterone treatment in male hypogonadism.

Objective: We aimed to investigate the role of testosterone to estradiol ratio in predicting the effectiveness of human chorionic gonadotropin and testosterone treatments in male hypogonadism.

Methods: Thirty-six male patients with hypogonadotropic hypogonadism were included in the study. Seventeen (47.

The Association of Thyroid Hormone Changes with Inflammatory Status and Prognosis in COVID-19.

Background: COVID-19 infection may have multiorgan effects in addition to effects on the lungs and immune system. Recently, studies have found thyroid function abnormalities in COVID-19 cases which were interpreted as euthyroid sick syndrome (ESS) or destructive thyroiditis. Therefore, in this study, we aimed to evaluate the thyroid function status and thyroid autoimmunity in COVID-19 patients.

The Relationship between Third-generation TSH Receptor Antibody Positivity and Cumulative Methimazole Dose Used until Remission in Graves' Disease.

Objective: To determine the relationship between the positivity of third-generation TSH receptor antibody (TRAb) at the time of diagnosis and the cumulative methimazole dose used until remission in patients with Graves' disease.

Study Design: Cross-sectional, descriptive study.

Place And Duration Of Study: Department of Endocrinology and Metabolic Diseases, University of Health Sciences, Kartal Dr.

Management of endocrine surgical disorders during COVID-19 pandemic: expert opinion for non-surgical options.

Purpose: The COVID-19 pandemic brought unprecedented conditions for overall health care systems by restricting resources for non-COVID-19 patients. As the burden of the disease escalates, routine elective surgeries are being cancelled. The aim of this paper was to provide a guideline for management of endocrine surgical disorders during a pandemic.

Outcomes of transition from premixed and intensive insulin therapies to insulin aspart/degludec co-formulation in type 2 diabetes mellitus: a real-world experience.

Introduction: To evaluate the efficacy and safety of transition from premixed and intensive insulin to twice-daily insulin degludec/aspart (IDegAsp) co-formulation in patients with type 2 diabetes mellitus.

Material And Methods: In this 12-week study, patients receiving twice-daily premixed insulin therapy in group 1 ( = 55) were switched to twice-daily IDegAsp. In group 2 ( = 60), patients on intensive insulin therapy were switched to IDegAsp injected twice a day.

Sensitive Sequencing Analysis Suggests Thyrotropin Receptor and Guanine Nucleotide-Binding Protein G Subunit Alpha as Sole Driver Mutations in Hot Thyroid Nodules.

Constitutively activating mutations in the thyrotropin receptor () and the guanine nucleotide-binding protein G subunit alpha () are the primary cause of hot thyroid nodules (HTNs). The reported prevalence of and mutations in HTNs varies. Previous studies show mutations in 8-82% of HTNs and mutations in 8-75% of HTNs.

BRAF V600E mutation in papillary thyroid cancer is correlated with adverse clinicopathological features but not with iodine exposure.

Introduction: BRAFV600E activating mutation is the most frequent genetic abnormality in the pathogenesis of papillary thyroid carcinoma. We aimed to evaluate the association between BRAFV600E mutation and well-established prognostic clinicopathological characteristics as well as iodine exposure.

Material And Methods: From 2000 to 2012, the data of PTC patients admitted to Dr.

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The literature suggests that mitochondrial DNA (mtDNA) defects are associated with a large number of diseases including cancers. The role of mtDNA variations in thyroid cancer is a highly controversial topic. Therefore, we investigated the role of mt-DNA control region (CR) variations in thyroid tumor progression and the influence of mtDNA haplogroups on susceptibility to thyroid tumors.

Recurrent EZH1 mutations are a second hit in autonomous thyroid adenomas.

Autonomous thyroid adenomas (ATAs) are a frequent cause of hyperthyroidism. Mutations in the genes encoding the TSH receptor (TSHR) or the Gs protein α subunit (GNAS) are found in approximately 70% of ATAs. The involvement of other genes and the pathogenesis of the remaining cases are presently unknown.

Assessment of carotid body tumor and its association with tetralogy of fallot: effect of the chronic hypoxia.

This is a rare combined presentation of Tetralogy of Fallot and carotid body tumor (CBT). Hypotheses and further discussion provides data for the development of CBT as a response to chronic hypoxemia. This present study demonstrates and discusses such an occurrence.

Effects of levothyroxine treatment on insulin sensitivity, endothelial function and risk factors of atherosclerosis in hypothyroid women.

Objectives: Contradictory results are encountered in literature regarding the effects of hypothyroidism on the risk factors of atherosclerosis. We aimed to explore the changes in atherosclerotic risk factors and insulin sensitivity before and after levothyroxine replacement therapy in women with primary hypothyroidism and compare with that of healthy controls.

Patients And Methods: Twelve patients (mean age of 34±11.

The role of insulin-like growth factor 1 in the development of benign and malignant thyroid nodules.

Objective: This study aims to investigate the role of IGF-1 in the development of nodular thyroid disease.

Material And Methods: A total number of 100 consecutive patients operated for nodular thyroid disease in our institution were included in this prospective study. In addition to classical pathological examinations, nodules and extranodular healthy tissues were sampled and immunochemically stained for IGF-1.

Tissue and serum adiponectin levels in patients with gastric cancer: are there any correlations between adiponectin levels and histopathological variables?

Background/aims: Adiponectin is secreted from adipose tissue and is characterized by hyperinsulinemia, which is related with obesity. Adiponectin levels are significantly lower in gastric cancer patients than in healthy controls. The aim of this study was to investigate the relationship between adiponectin levels in serum, tumor tissue and normal tissue with some other insulin resistance parameters.

Shared sporadic and somatic thyrotropin receptor mutations display more active in vitro activities than familial thyrotropin receptor mutations.

Background: Germline thyrotropin receptor (TSHR) mutations are associated with sporadic congenital nonautoimmune hyperthyroidism and familial nonautoimmune hyperthyroidism. Somatic TSHR mutations are associated with toxic thyroid nodules (TTNs). The objective of the study was to define a relation of the clinical appearance and the in vitro activity (IVA) of the TSHR mutations described by several authors for these thyroid disorders.

Alterations of NIS expression in functioning thyroid nodules.

Objectives: This study aimed to analyze both the level and the cell site of the sodium-iodide symporter (NIS) protein expression in autonomously functioning thyroid nodules (AFTNs) and extranodular thyroid tissues. In addition, this study sought to compare the clinical results of patients with the levels of human NIS (hNIS) protein expression.

Patients And Methods: The histological slides consisted of 36 AFTNs and 31 extranodular thyroid tissues from 28 patients (5 males, 23 females; mean age 54.

Genetics and phenomics of inherited and sporadic non-autoimmune hyperthyroidism.

TSH receptor (TSHR) germline mutations occur as activating mutations in familial non-autoimmune hyperthyroidism (FNAH) or sporadic non-autoimmune hyperthyroidism (SNAH). Up to date 17 constitutively activating TSHR mutations have been reported in 24 families with FNAH. The diagnosis of FNAH should be considered in cases with a positive family history, early onset of hyperthyroidism, goiter, absence of clinical stigmata of autoimmunity and recurrent hyperthyroidism.

The association of serum adiponectin levels with histopathological variables in gastric cancer patients.

Adiponectin is a peptide hormone secreted from the adipose tissue, affecting the proliferation and insulin sensitivity in different cell types. The levels of adiponectin have been found to be decreased in hyperinsulinemia and insulin resistant states, such as obesity. The previous studies have suggested that plasma adiponectin levels are decreased in patients with endometrial and breast cancer.

Myasthenia gravis and autoimmune Addison disease in a patient with thymoma.

The association of thymoma with myasthenia gravis has been well documented. However, the relationship between these two syndromes and Addison disease are very rarely encountered in clinical practice. We report on a 32-year-old man who underwent a resection for thymoma 48 months ago.

Short-term oral magnesium supplementation suppresses bone turnover in postmenopausal osteoporotic women.

Magnesium has been shown to increase bone mineral density when used in the treatment of osteoporosis, yet its mechanism of action is obscure. In this study, the effects of daily oral magnesium supplementation on biochemical markers of bone turnover were investigated. Twenty postmenopausal women have been divided into two groups.