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International Journal of Endocrinology

Kwame Yeboah, Daniel A Antwi, Ben Gyan
Background. Increased arterial stiffness is an independent cardiovascular risk factor in diabetes patients and general population. However, the contribution of diabetes to arterial stiffness is often masked by coexistent obesity and hypertension. In this study, we assessed arterial stiffness in nonhypertensive, nonobese type 2 diabetes (T2DM) patients in Ghana. Methods. In case-control design, 166 nonhypertensive, nonobese participants, comprising 96 T2DM patients and 70 nondiabetes controls, were recruited...
2016: International Journal of Endocrinology
Do Hoon Koo, KwangSeop Song, Hyungju Kwon, Dong Sik Bae, Ji-Hoon Kim, Hye Sook Min, Kyu Eun Lee, Yeo-Kyu Youn
Background. Fine-needle aspiration cytology (FNAC) is diagnostic standard for thyroid nodules. However, the influence of size on FNAC accuracy remains unclear especially in too small or too large thyroid nodules. The objective of this retrospective cohort study was to investigate the effect of nodule size on FNAC accuracy. Methods. All consecutive patients who underwent thyroidectomy for nodules in 2010 were enrolled. FNAC results (according to the Bethesda system) were compared to pathological diagnosis. The nodules were categorized into groups A-E on the basis of maximal diameter on ultrasound (≤0...
2016: International Journal of Endocrinology
Maria Graziella Catalano, Mariateresa Pugliese, Marco Gallo, Enrico Brignardello, Paola Milla, Fabio Orlandi, Paolo Piero Limone, Emanuela Arvat, Giuseppe Boccuzzi, Alessandro Piovesan
Anaplastic thyroid cancer (ATC) has a median survival less than 5 months and, to date, no effective therapy exists. Taxanes have recently been stated as the main drug treatment for ATC, and the histone deacetylase inhibitor valproic acid efficiently potentiates the effects of paclitaxel in vitro. Based on these data, this trial assessed the efficacy and safety of the combination of paclitaxel and valproic acid for the treatment of ATC. This was a randomized, controlled phase II/III trial, performed on 25 ATC patients across 5 centers in northwest Italy...
2016: International Journal of Endocrinology
Almudena Gómez-Hernández, Nuria Beneit, Sabela Díaz-Castroverde, Óscar Escribano
This review focuses on the contribution of white, brown, and perivascular adipose tissues to the pathophysiology of obesity and its associated metabolic and vascular complications. Weight gain in obesity generates excess of fat, usually visceral fat, and activates the inflammatory response in the adipocytes and then in other tissues such as liver. Therefore, low systemic inflammation responsible for insulin resistance contributes to atherosclerotic process. Furthermore, an inverse relationship between body mass index and brown adipose tissue activity has been described...
2016: International Journal of Endocrinology
Marko Šimunović, Joško Božić, Lukrecija Milić, Ivana Unić, Veselin Škrabić
Obesity and metabolic syndrome (MS) are one of the biggest public health issues in child and adolescent population. To the best of the authors' knowledge, this hospital based study is the first report on the prevalence of MS in obese children and adolescents in Dalmatia, the Mediterranean part of Croatia. The objectives of this study were to determine the prevalence of individual cardiovascular risk factors and MS. Between January 2009 and June 2014, 201 obese subjects aged 6 to 18 were analyzed retrospectively from our Pediatric Endocrine Unit database...
2016: International Journal of Endocrinology
Mario Montanino Oliva, Elisa Minutolo, Assunta Lippa, Paola Iaconianni, Alberto Vaiarelli
This prospective longitudinal study investigated the effects of a dietary supplement in patients affected by reduced sperm motility (asthenospermic males) with metabolic syndrome. The product tested was Andrositol®, which contains myoinositol (MI) as principal compound, in association with other molecules, and the parameters evaluated were semen characteristics as well as hormone and metabolic profiles. The inclusion criteria were subjects aged over 18 years, with asthenospermia and metabolic syndrome. The exclusion criteria were presence of cryptorchidism, varicocele, and prostatitis...
2016: International Journal of Endocrinology
Ming Li, Dan Feng, Kui Zhang, Shan Gao, Juming Lu
Objective. To study the characteristics of β-cell dysfunction and insulin resistance (IR) in the first-degree relatives (FDRs) of T2DM in Chinese population and to examine the usefulness of proinsulin (PI) for evaluating β-cell dysfunction. Methods. 229 subjects of nondiabetic FDRs, 71 newly diagnosed T2DM, and 114 with normal glucose tolerance (NGT) but not FDRs (NGT-non-FDRs) were verified by a 2-hour oral glucose tolerance test. Specific insulin (SI) and PI were measured by highly sensitive ELISA. Results...
2016: International Journal of Endocrinology
Sirilaksana Kunjara, Patricia McLean, Laurens Rademacher, Thomas W Rademacher, Fabiana Fascilla, Stefano Bettocchi, Marco Scioscia
Immunological alterations, endothelial dysfunction, and insulin resistance characterize preeclampsia. Endothelial cells hold the key role in the pathogenesis of this disease. The signaling pathways mediating these biological abnormalities converge on PKB/Akt, an intracellular kinase regulating cell survival, proliferation, and metabolism. Inositol second messengers are involved in metabolic and cell signaling pathways and are highly expressed during preeclampsia. Intracellular action of these molecules is deeply affected by zinc, manganese, and calcium...
2016: International Journal of Endocrinology
Hitesh Verma, Rajeev Garg
No abstract text is available yet for this article.
2016: International Journal of Endocrinology
Rosa Lauretta, Giulia Lanzolla, Patrizia Vici, Luciano Mariani, Costanzo Moretti, Marialuisa Appetecchia
Preclinical, early phase clinical trials and epidemiological evidence support the potential role of insulin-sensitizers in cancer prevention and treatment. Insulin-sensitizers improve the metabolic and hormonal profile in PCOS patients and may also act as anticancer agents, especially in cancers associated with hyperinsulinemia and oestrogen dependent cancers. Several lines of evidence support the protection against cancer exerted by dietary inositol, in particular inositol hexaphosphate. Metformin, thiazolidinediones, and myoinositol postreceptor signaling may exhibit direct inhibitory effects on cancer cell growth...
2016: International Journal of Endocrinology
Patchaya Boonchaya-Anant, Nitchakarn Laichuthai, Preaw Suwannasrisuk, Natnicha Houngngam, Suthep Udomsawaengsup, Thiti Snabboon
Objective. Obesity is a risk factor for hypogonadotropic hypogonadism in men. Weight loss has been shown to improve hypogonadism in obese men. This study evaluated the early changes in sex hormones profile after bariatric surgery. Methods. This is a prospective study including 29 morbidly obese men. Main outcomes were changes in serum levels of total testosterone (TT), free testosterone (cFT), SHBG, estradiol, adiponectin, and leptin at 1 and 6 months after surgery. Results. The mean age of patients was 31 ± 8 years and the mean BMI was 56...
2016: International Journal of Endocrinology
Koshiro Nishimoto, Tsugio Seki, Yuichiro Hayashi, Shuji Mikami, Ghaith Al-Eyd, Ken Nakagawa, Shinya Morita, Takeo Kosaka, Mototsugu Oya, Fumiko Mitani, Makoto Suematsu, Yasuaki Kabe, Kuniaki Mukai
Background. The immunohistochemical detection of aldosterone synthase (CYP11B2) and steroid 11β-hydroxylase (CYP11B1) has enabled the identification of aldosterone-producing cell clusters (APCCs) in the subcapsular portion of the human adult adrenal cortex. We hypothesized that adrenals have layered zonation in early postnatal stages and are remodeled to possess APCCs over time. Purposes. To investigate changes in human adrenocortical zonation with age. Methods. We retrospectively analyzed adrenal tissues prepared from 33 autopsied patients aged between 0 and 50 years...
2016: International Journal of Endocrinology
Kai I Cheang, Sakita N Sistrun, Kelley S Morel, John E Nestler
Background. A deficiency of D-chiro-inositol-inositolphosphoglycan mediator (DCI-IPG) may contribute to insulin resistance in polycystic ovary syndrome (PCOS). Whether the relationship between impaired DCI-IPG release and insulin resistance is specific to PCOS rather than obesity is unknown. We assessed insulin-released DCI-IPG and its relationship to insulin sensitivity at baseline and after weight loss in obese women with and without PCOS. Methods. Obese PCOS (n = 16) and normal (n = 15) women underwent 8 weeks of a hypocaloric diet...
2016: International Journal of Endocrinology
Débora de Paula Michelatto, Leif Karlsson, Ana Letícia Gori Lusa, Camila D'Almeida Mgnani Silva, Linus Joakim Östberg, Bengt Persson, Gil Guerra-Júnior, Sofia Helena Valente de Lemos-Marini, Michela Barbaro, Maricilda Palandi de Mello, Svetlana Lajic
We present the functional and structural effects of seven novel (p.Leu12Met, p.Arg16Cys, p.Ser101Asn, p.Ser202Gly, p.Pro267Leu, p.Gln389_Ala391del, and p.Thr450Met) and two previously reported but not studied (p.Ser113Phe and p.Thr450Pro) CYP21A2 mutations. Functional analyses were complemented with in silico prediction of mutation pathogenicity based on the recently crystallized human CYP21A2 structure. Mutated proteins were transiently expressed in COS-1 cells and enzyme activities towards 17-hydroxyprogesterone and progesterone were determined...
2016: International Journal of Endocrinology
Jeetesh V Patel, Paramjit S Gill, Julia Chackathayil, Elif S Agaoglu, Zosia Bredow, Rebecca Mirrielees, Paul Flinders, Elizabeth A Hughes
[This corrects the article DOI: 10.1155/2015/924387.].
2016: International Journal of Endocrinology
Shoujiao Ye, Zhenqiang Song, Jing Li, Chunshen Li, Juhong Yang, Bai Chang
In the study, type 2 diabetic rat model was established using streptozotocin (STZ) combined with a high-fat diet, and the rats were divided into control and diabetic groups. Diabetic groups were further divided into nonintervening, simvastatin, Didang Decoction (DDD) early-phase intervening, DDD mid-phase intervening, and DDD late-phase intervening groups. The expression level of MLCK was detected using Western Blot analysis, and the levels of cyclic adenosine monophosphate (cAMP), protein kinase C (PKC), and protein kinase A (PKA) were examined using Real Time PCR...
2016: International Journal of Endocrinology
Tomasz Klupa, Michał Możdżan, Janina Kokoszka-Paszkot, Magdalena Kubik, Małgorzata Masierek, Margerita Czerwińska, Maciej T Małecki
There is no doubt that behavioral intervention is crucial for type 2 diabetes mellitus (T2DM) prevention and management. We aimed to estimate dietary habits and diet-oriented knowledge as well as the level of physical activity in 2500 insulin-treated Polish type 2 diabetes mellitus (T2DM) patients (55.4% women). The mean age of the study participants was 64.9 ± 9.3 years, mean BMI was 31.4 kg/m(2) ± 4.5, mean diabetes duration was 12.4 ± 6.9 years, and mean baseline HbA1c was 8.5%  ± 1.2. At the study onset, all the patients completed a questionnaire concerning health-oriented behavior...
2016: International Journal of Endocrinology
Nilay Kuşcu, Mariano Bizzarri, Arturo Bevilacqua
Myo-inositol (myo-Ins) has a physiological role in mammalian gametogenesis and embryonic development and a positive clinical impact on human medically assisted reproduction. We have previously shown that mouse embryo exposure to myo-Ins through preimplantation development in vitro increases proliferation activity and blastocyst production, representing an improvement in culture conditions. We have herein investigated biochemical mechanisms elicited by myo-Ins in preimplantation embryos and evaluated myo-Ins effects on postimplantation/postnatal development...
2016: International Journal of Endocrinology
Giovanna Muscogiuri, Stefano Palomba, Antonio Simone Laganà, Francesco Orio
A growing body of research is currently focused on the role of inositol isomers and in particular myo-inositol (MYO-INS) and D-chiroinositol (DCI) in the treatment of insulin resistance states. Both isomers have been shown to exert insulin-mimetic action and to lower postprandial glucose. Further, insulin resistance-related diseases were associated to derangements in inositol metabolism. Thus, the aim of this review is to provide current evidence on the potential benefits of inositol isomers (MYO-INS and DCI) in the treatment of disease associated to insulin resistance such as polycystic ovary syndrome (PCOS), gestational diabetes, and metabolic syndrome...
2016: International Journal of Endocrinology
Emmanuella Doh, Armand Mbanya, Jean Dupont Kemfang-Ngowa, Sama Dohbit, Mycilline Tchana-Sinou, Pascal Foumane, Olivier Trésor Donfack, Anderson S Doh, Jean Claude Mbanya, Eugene Sobngwi
Objectives. We aimed to assess the variation of insulin sensitivity in relation to obesity in women living with PCOS in a sub-Sahara African setting. Methods. We studied body composition, insulin sensitivity, and resting energy expenditure in 14 PCOS patients (6 obese and 8 nonobese) compared to 10 matched nonobese non-PCOS subjects. Insulin sensitivity was assessed using the gold standard 80 mU/m(2)/min euglycemic-hyperinsulinemic clamp and resting energy expenditure was measured by indirect calorimetry...
2016: International Journal of Endocrinology
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