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Journal of Endocrinological Investigation

A Salmassi, A Fattahi, M Nouri, J Hedderich, A G Schmutzler
PURPOSE: There is no information available about the IL-18 receptor in ovarian follicles, so the present study attempts to demonstrate the expression of IL-18 and its receptor in human granulosa cells (GCs). METHODS: To evaluate the concentration of IL-18 in serum and follicular fluid (FF), we collected serum and FF from 102 women undergoing oocyte retrieval. Also, to detect expression of IL-18 and its receptor by luteinized GCs, these cells were pooled six times from a total of twenty individual patients with 5-16 follicles each...
December 2, 2016: Journal of Endocrinological Investigation
X Z Zhang, H Imachi, J Y Lyu, K Fukunaga, S Sato, T Ibata, T Kobayashi, T Yoshimoto, F Kikuchi, T Dong, K Murao
PURPOSE: Prolactin regulatory element-binding protein (PREB), a member of the WD-repeat protein family, has been recognized as a transcriptional factor that regulates prolactin promoter activity in the anterior pituitary of rats. PREB is expressed not only in the pituitary but also in various other tissues, including the adipose tissue. Previous studies have shown that PREB acts as a transcriptional regulator and suppresses the expression of the adiponectin gene in cultured 3T3L1 preadipocytes...
December 2, 2016: Journal of Endocrinological Investigation
F Nicoli, D Lazzeri
Jusepe or Jòse de Ribera (1591-1652), known as Lo Spagnoletto ("the Little Spaniard"), has been a leading painter of the Spanish Baroque movement. In one of the portraits, de Ribera represented a scene in which the Magdalene shows a swelling at the base of the neck suggestive of a thyroid nodule.
November 25, 2016: Journal of Endocrinological Investigation
F D Dellal, D Özdemir, A A Tam, H Baser, H Tatli Dogan, O Parlak, R Ersoy, B Cakir
PURPOSE: The incidence of thyroid cancer is increased in elderly patients. It tends to be larger and have more aggressive characteristics in these patients. Our aim was to compare features of thyroid carcinoma in geriatric and non-geriatric patients. METHODS: In total, 933 patients with thyroid cancer were retrospectively reviewed. Thyroid functions, ultrasonography features of malignant nodules, cytological and histopathological findings and the rates of recurrence and persistence were compared in patients ≥65 and <65 years old...
November 24, 2016: Journal of Endocrinological Investigation
C Savopoulos, G Kaiafa, I Kanellos, A Fountouki, D Theofanidis, A I Hatzitolios
INTRODUCTION: Close monitoring of blood glucose levels during the immediate post-acute stroke phase is of great clinical value, as there is evidence that the risk of neurological deterioration is associated with both hyper- and hypoglycaemia. The aim of this review paper is to summarise the evidence on post-stroke blood glucose management and its impact on clinical outcomes, during the early post-acute stage. FINDINGS: Post-stroke hyperglycaemia has been associated with increased cerebral oedema, haemorrhagic transformation, lower likelihood of recanalisation and deteriorating neurological state...
November 21, 2016: Journal of Endocrinological Investigation
S Cantara, C Marzocchi, M G Castagna, F Pacini
INTRODUCTION: Thyroid cancer may have a familial predisposition and may occur in the context of hereditary syndromes or as isolated tumor. Recently, the G534E variant in the HABP2 gene has been suggested as causative mutation for familial thyroid cancer, but other studies gave contradictory results. METHODS: We have analyzed the G534E variant in an Italian series of 63 familial thyroid cancer patients and 41 unaffected family members with end-point PCR, DHPLC and direct sequencing...
November 21, 2016: Journal of Endocrinological Investigation
V Korkmaz, Z Kurdoglu, M Alisik, E Turgut, O O Sezgın, H Korkmaz, Y Ergun, O Erel
AIM: To evaluate the impact of postmenopausal osteoporosis on thiol/disulfide homeostasis. MATERIALS AND METHODS: A total of 75 participants were divided into two groups: Group 1 (n = 40) was composed of healthy postmenopausal women, and group 2 (n = 35) was composed of women with postmenopausal osteoporosis. Clinical findings and thiol/disulfide homeostasis were compared between the two groups. RESULTS: The disulfide/native thiol ratio was 8...
November 17, 2016: Journal of Endocrinological Investigation
P Di Bonito, L Pacifico, C Chiesa, G Valerio, E Miraglia Del Giudice, C Maffeis, A Morandi, C Invitti, M R Licenziati, S Loche, G Tornese, F Franco, M Manco, M G Baroni
OBJECTIVE: To investigate in a large sample of overweight/obese (OW/OB) children and adolescents the prevalence of prediabetic phenotypes such as impaired fasting glucose (IFG) and impaired glucose tolerance (IGT), and to assess their association with cardiometabolic risk (CMR) factors including hepatic steatosis (HS). METHODS: Population data were obtained from the CARdiometabolic risk factors in children and adolescents in ITALY study. Between 2003 and 2013, 3088 youths (972 children and 2116 adolescents) received oral glucose tolerance test (OGTT) and were included in the study...
November 16, 2016: Journal of Endocrinological Investigation
M Rahimi, M Ghanbari, Z Fazeli, M Rouzrokh, S Omrani, R Mirfakhraie, M D Omrani
BACKGROUND: Hypospadias is one of the most common forms of congenital malformation of the male external genitalia worldwide. The ratio in the Iranian population is one in 250 live male births. The conversion of testosterone to dihydrotestosterone (DHT) in the presence of steroid 5α-reductase 2, which is encoded by SRD5A2 gene, plays an important role in the normal development of the male reproductive system. METHODS: We examined whether SRD5A2 gene mutations (V89L and A49T polymorphisms) are associated with the risk of hypospadias in the Iranian population...
November 15, 2016: Journal of Endocrinological Investigation
A Ponzetto, N Figura
No abstract text is available yet for this article.
November 15, 2016: Journal of Endocrinological Investigation
M S Qureshi, M Iqbal, S Zahoor, J Ali, M U Javed
INTRODUCTION: Diabetic neuropathy is one of the most common causes of chronic neuropathic symptomatology and the most disabling and difficult-to-treat diabetic microangiopathic complication. The neuropathies associated with diabetes are typically classified into generalized, focal and multifocal varieties. There exists a scarcity of literature studying the correlation of different patient- and disease-related variables with severity of neuropathy. OBJECTIVES: This study aims to delineate the prevalence of diabetic neuropathy in type 2 diabetes, describe its characteristics and find out predictors of its severity...
November 15, 2016: Journal of Endocrinological Investigation
N Hayakawa, Y Sato, A Nagasaka, Y Mano, T Nagasaka, A Nakai, K Iwase, S Yoshida
INTRODUCTION: High DNA polymerase β activity has been observed in the thyroid tissue of patients with Graves' disease (Nagasaka et al. in Metabolism 37:1051-1054, 1988). This fact aroused our interest in whether the alteration of DNA polymerase β activity depends on DNA polymerase β (DNA poly β) mRNA levels, which may be modulated by thyroid-stimulating hormone (TSH) or thyroid-stimulating substances, i.e. TSH receptor antibody (TRAb). RESULT: Addition of TSH or TRAb to primary cultures of Graves' disease thyroid cells for 4 h led to no increase in DNA poly β mRNA levels...
November 15, 2016: Journal of Endocrinological Investigation
S Morbelli, G Ferrarazzo, E Pomposelli, F Pupo, G Pesce, I Calamia, F Fiz, A Clapasson, M Bauckneht, M Minuto, G Sambuceti, M Giusti, M Bagnasco
PURPOSE: TgAb have been proposed as tumor markers in DTC. Recent evidence links TgAb levels with DTC aggressiveness. We aimed to evaluate the relationship between TgAb and tumor glucose metabolism in DTC patients. METHODS: Seventy-one DTC patients who underwent (18)F-FDG PET/CT were included. According to TgAb value and trends, patients were divided into TgAb positive (TgAb+) or negative (TgAb-) as well as in patients with increasing (Inc-TgAb) or decreasing (Dec-TgAb) trend...
November 14, 2016: Journal of Endocrinological Investigation
U Durmus, C Duran, S Ecirli
BACKGROUND: Visceral adiposity index (VAI) is a proposed parameter to evaluate visceral obesity instead of waist circumference (WC) in patients with polycystic ovary syndrome (PCOS). We aimed to evaluate VAI levels in overweight and/or obese, and non-obese PCOS patients and investigate the association between metabolic and inflammatory parameters. METHODS: Seventy-six PCOS patients between 18 and 40, and 38 age- and BMI-matched controls were enrolled into the study...
November 12, 2016: Journal of Endocrinological Investigation
F Coperchini, O Awwad, M Rotondi, F Santini, M Imbriani, L Chiovato
BACKGROUND: Perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) are two fluorinated compounds widely used in industry because of their useful chemical characteristics. They were identified as endocrine disruptors due to their ability to interfere with thyroid function. The resistance of PFOA and PFOS to environmental degradation, their bio-accumulation in food chains, and their long half-life raised concern in the scientific community, and several studies were performed with the aim to establish the real dangerousness of these compounds for the human health...
November 11, 2016: Journal of Endocrinological Investigation
Q Yuan, Y Zhao, X Zhu, X Liu
PURPOSE: Graves' disease (GD) is an autoimmune thyroid disease, and the most important characteristic of it is the presence of the thyroid-stimulating antibody (TSAb). The mechanisms of the TSAb elevation are still uncertain. Recent studies have suggested that the dysregulation of regulatory T cell (Treg) and T helper 17 (Th17) might stimulate the production of TSAb and be a pathogenesis of GD. However, the role of Treg and Th17 cells in the pathogenesis of GD is still debated. Our aim is to assess changes of Treg and Th17 cells in the spleen of a mouse in an in vivo GD model and try to explain the pathogenesis of GD...
November 7, 2016: Journal of Endocrinological Investigation
C Di Giacomo, F Trimarchi, L Bartalena
No abstract text is available yet for this article.
November 3, 2016: Journal of Endocrinological Investigation
M A Pappalardo, R Vita, F Di Bari, M Le Donne, F Trimarchi, S Benvenga
PURPOSE: Polycystic ovary syndrome (PCOS) was associated with a number of polymorphisms of genes involved in insulin signaling. So far, they have been studied separately. The aim of this study was to verify the impact of the coexistence of two polymorphisms of insulin signaling. METHODS: One hundred consecutive PCOS women (diagnosed by Rotterdam criteria) and 45 age-matched healthy women were genotyped for two polymorphisms: Gly972Arg of IRS-1 and Lys121Gln of PC-1...
October 26, 2016: Journal of Endocrinological Investigation
S Caruso, S Cianci, M Cariola, V Fava, A M C Rapisarda, A Cianci
No abstract text is available yet for this article.
October 25, 2016: Journal of Endocrinological Investigation
F M Mario, S K Graff, P M Spritzer
PURPOSE: To examine the effect of habitual physical activity (PA) on the metabolic and hormonal profiles of women with polycystic ovary syndrome. MATERIALS AND METHODS: Anthropometric, metabolic and hormonal assessment and determination of habitual PA levels with a digital pedometer were evaluated in 84 women with PCOS and 67 age- and body mass index (BMI)-matched controls. PA status was defined according to number of steps (≥7500 steps, active, or <7500 steps, sedentary)...
October 22, 2016: Journal of Endocrinological Investigation
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