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Endocrine Journal

Hao Hu, Guoyue Yuan, Xinchen Wang, Jin Sun, Zhaohua Gao, Tingting Zhou, Wenwen Yin, Ruonan Cai, Xing Ye, Zhaoling Wang
Angiopoietin-like protein 8 (ANGPTL8) is a newly discovered adipokine plays an important role in energy homoeostasis, obesity and type 2 diabetes (T2D). Although lifestyle modification in obesity and T2D is known to offer metabolic benefits, there is paucity of comprehensive data on change in ANGPTL8. We investigated the effect of lifestyle intervention on ANGPTL8 concentrations. 384 obese/overweight adults with newly diagnosed T2D were randomly assigned (1:1:1) to diet (n = 128), diet + activity (n = 128) or usual care (control, n = 128) groups...
November 15, 2018: Endocrine Journal
Yu Ding, Bo-Hou Xia, Guang-Chao Zhuo, Cai-Juan Zhang, Jian-Hang Leng
Premature ovarian insufficiency (POI) is a common endocrine disorder featured by the triad constituting of amenorrhea for at least four months, to date, the molecular pathogenesis of POI is largely undetermined. Despite several investigations have reported an increase in reactive oxygen species (ROS) content in idiopathic POI, the role of mitochondrial DNA (mtDNA) mutations/variants in the progression of POI has not been widely investigated. The current study aimed to explore the association between mt-tRNA mutations/variants and POI; we first used the PCR-Sanger sequencing to detect the mutations/variants in mt-tRNA genes from 50 POI patients and 30 healthy subjects...
November 6, 2018: Endocrine Journal
Shin Kawanabe, Yoshio Nagai, Yuta Nakamura, Ami Nishine, Tomoko Nakagawa, Yasushi Tanaka
This study assessed the association of muscle mass with insulin resistance, evaluated from the insulin sensitivity index (ISI), in Japanese patients with gestational diabetes mellitus (GDM). Consecutive patients with GDM (n = 96) admitted to St. Marianna University Hospital between October 2015 and March 2018 for initial education and glycemic control were enrolled in a prospective observational study. Insulin resistance was evaluated by measuring the ISI and body composition was assessed by bioelectrical impedance analysis...
November 3, 2018: Endocrine Journal
Hiromi Tabuchi, Hiroshi Maegawa, Kazuyuki Tobe, Ichiro Nakamura, Satoshi Uno
This subgroup analysis of STELLA-LONG TERM, an ongoing 3-year post-marketing surveillance study on the long-term efficacy and safety of ipragliflozin, assessed the effect of ipragliflozin on liver function in type 2 diabetes mellitus (T2DM) patients. Patients were divided according to baseline liver function (normal [male: ALT ≤30, female: ALT ≤20], abnormal [male: ALT ≥31, female: ALT ≥21]). We evaluated changes in aspartate aminotransferase (AST), alanine aminotransferase (ALT), gamma-glutamyltransferase (γ-GTP), alkaline phosphatase (ALP), and fatty liver index (FLI) at 3 months of treatment; the proportion of patients with abnormal liver function whose liver function normalized after 3 months of treatment; and correlations between changes in ALT levels and efficacy variables/laboratory values...
November 3, 2018: Endocrine Journal
Yaping Liang, Xiaojia Xu, Mingjuan Yin, Yan Zhang, Lingfeng Huang, Ruoling Chen, Jindong Ni
We conducted a systematic review and meta-analysis to evaluate the effect of Berberine on glucose in patients with type 2 diabetes mellitus and identify potential factors may modifying the hypoglycemic effect. We searched PubMed, Embase, the Cochrane Library, China National Knowledge Infrastructure, and Wanfang Database to identify randomized controlled trials that investigated the effect of Berberine. We calculated weighted mean differences (WMD) and 95% confidence interval (CI) for fasting plasma glucose (FPG), postprandial plasma glucose (PPG) and glycated haemoglobin (HbA1c) levels...
November 3, 2018: Endocrine Journal
Satoko Tsuchiya, Shojiro Sawada, Kana Takeda, Kenji Takahashi, Takeko Nakajima, Masato Kohata, Satoko Kurosawa, Chihiro Satake, Junta Imai, Katsuko Kikuchi, Setsuya Aiba, Hideki Katagiri
Soft-drink diabetic ketosis, characterized by acute onset ketosis induced by excessive ingestion of sugar-containing drinks, is often seen in obese, young patients, even with undiagnosed type 2 diabetes. We herein report a 15-year-old obese patient with the apolipoprotein E4/2 phenotype, in whom eruptive xanthomas lead to a diagnosis of soft-drink diabetic ketosis. He developed multiple asymptomatic yellowish papules on the auricles, back, buttocks and the extensor surfaces of the elbows and knees. He initially visited a dermatology clinic and his blood triglyceride and HbA1c levels were found to be 6,490 mg/dL and 16...
November 2, 2018: Endocrine Journal
Liu Yang, Kwang Won Jeong
The human homologue of flightless-I (FLII) belong to the gelsolin protein family and contain a gelsolin-like domain at the C-terminus and a leucine-rich repeat (LRR) domain at the N-terminus. FLII regulates estrogen receptor alpha (ERα) and glucocorticoid receptor (GR)-mediated transcription by direct interaction through different domains, suggestive of its potential role in the crosstalk between the ERα and GR signaling pathway. Here, we demonstrate that FLII plays a critical role in GR-mediated repression of ERα target gene expression...
October 26, 2018: Endocrine Journal
Mohammad Saiful Islam, Noriyuki Namba, Yasuhisa Ohata, Makoto Fujiwara, Chiho Nakano, Shinji Takeyari, Kei Miyata, Yukako Nakano, Kenichi Yamamoto, Hirofumi Nakayama, Taichi Kitaoka, Takuo Kubota, Keiichi Ozono
Monocarboxylate transporter 8 (MCT8) facilitates T3 uptake into cells. Mutations in MCT8 lead to Allan-Herndon-Dudley syndrome (AHDS), which is characterized by severe psychomotor retardation and abnormal thyroid hormone profile. Nine uncharacterized MCT8 mutations in Japanese patients with severe neurocognitive impairment and elevated serum T3 levels were studied regarding the transport of T3. Human MCT8 (hMCT8) function was studied in wild-type (WT) or mutant hMCT8-transfected human placental choriocarcinoma cells (JEG3) by visualizing the locations of the proteins in the cells, detecting specific proteins, and measuring T3 uptake...
October 25, 2018: Endocrine Journal
Makoto Tahara, Hiroshi Takami, Yasuhiro Ito, Kiminori Sugino, Shunji Takahashi, Hiroshi Takeyama, Hidemitsu Tsutsui, Hisato Hara, Ayako Mitsuma, Hiroyuki Yamashita, Takahiro Okamoto, Iwao Sugitani, Yasuo Ohashi, Tsuneo Imai
Lenvatinib is a molecular-targeting agent that was recently approved in Japan for treatment of curatively unresectable, radioactive iodine-refractory, progressive differentiated thyroid cancer (DTC). Because only a few Japanese patients have received lenvatinib in clinical trials, there are limited domestic data on its safety and efficacy or prognostic factors. Therefore, a prospective observational study has been designed to collect safety and efficacy data in at least 300 patients with curatively unresectable DTC receiving lenvatinib therapy (24 mg/day), in order to find predictors of antitumor activity and survival...
October 24, 2018: Endocrine Journal
Kenji Kohara, Atsushi Obata, Tomohiko Kimura, Masashi Shimoda, Saeko Moriuchi, Seizo Okauchi, Hidenori Hirukawa, Tomoatsu Mune, Kohei Kaku, Hideaki Kaneto
It is known that long-chain fatty acids bind to free fatty acid receptor 1 (Ffar1), also known as G protein-coupled receptor 40 (GPR40), and amplify glucose-stimulated insulin secretion (GSIS) from pancreatic β-cells and that Ffar1 agonists facilitates insulin secretion and ameliorates glycemic control. On the other hands, pancreatic and duodenal homeobox factor 1 (Pdx1) is an important transcription factor for various β-cell-related genes including insulin gene and thereby contributes to the maintenance of mature β-cell function...
October 17, 2018: Endocrine Journal
Saki Nagai, Kazuhiro Ikeda, Kuniko Horie-Inoue, Satoru Takeda, Satoshi Inoue
Estrogen deficiency has been known to associate with musculoskeletal diseases in women, based on the clinical observations of frequent susceptibility to osteoporosis and sarcopenia among postmenopausal women. In skeletal muscles, estrogen has been assumed to play physiological roles in maintaining muscle mass and strength, although its precise molecular mechanism remains to be elucidated. We have previously shown that estrogen regulates energy metabolism through the downregulation of mitochondrial uncoupling protein 3 (UCP3) in skeletal muscles, which may contribute to the prolonged exercise endurance in female mice...
October 17, 2018: Endocrine Journal
Mitsuyoshi Takahara, Toshihiko Shiraiwa, Naoto Katakami, Yoshifumi Maeno, Kaoru Yamamoto, Yuka Shiraiwa, Yoko Yoshida, Taka-Aki Matsuoka, Iichiro Shimomura
The aim of this study was to investigate whether daily glycemic profiles and treatment satisfaction would be changed after switching from once-daily 25-mg alogliptin plus twice-daily 250-mg metformin to the fixed-dose combination of 25-mg alogliptin and 500-mg metformin once daily in type 2 diabetic patients. Twenty adult Japanese type 2 diabetic patients in whom once-daily 25-mg alogliptin plus twice-daily 250-mg metformin were switched to the fixed-dose combination of 25-mg alogliptin and 500-mg metformin once daily participated...
October 11, 2018: Endocrine Journal
Takeshi Nishimura, Masami Tanaka, Yoshifumi Saisho, Kei Miyakoshi, Mamoru Tanaka, Hiroshi Itoh
We aimed to clarify the pathophysiological significance of total bilirubin (TB) in gestational diabetes mellitus (GDM). This was a cross-sectional study that included 616 pregnant Japanese women (368 normal glucose tolerance [NGT] and 248 GDM). Serum TB concentration, homeostasis model assessment of insulin resistance (HOMA-IR), and other clinical parameters were compared in NGT and GDM women. TB concentration was also compared according to the number of abnormal OGTT values. Logistic regression analysis was used to evaluate the association between TB and GDM prevalence...
October 10, 2018: Endocrine Journal
Miyoko Higuchi, Mitsuyoshi Hirokawa, Risa Kanematsu, Aki Tanaka, Ayana Suzuki, Naoki Yamao, Toshitetsu Hayashi, Seiji Kuma, Akira Miyauchi
The Bethesda System for Reporting Thyroid Cytopathology has recently been revised in 2017 (TBSRTC 2017). This study aimed to evaluate the impact of modifying the diagnostic criteria in TBSRTC 2017 at a single institute. We retrospectively reviewed cytological specimens of 10,399 thyroid nodules submitted for thyroid fine-needle aspiration cytology. Among them, 56 atypia of undetermined significance or follicular lesion of undetermined significance (AUS/FLUS) nodules, 16 suspicious for malignancy (SFM) nodules, and 8 malignant nodules were re-categorized into follicular neoplasm or suspicious for a follicular neoplasm (FN/SFN)...
October 3, 2018: Endocrine Journal
Tadashi Yamamuro, Kana Inoue, Yasuki Nagai, Daisuke Azuma, Aya Yamamoto, Kantaro Hara, Masaharu Kohara, Takashi Iwata, Shinichi Nakatsuka, Eiichi Morii, Tsunehiko Yamamoto
Ectopic ACTH syndrome (EAS) is a potentially fatal endocrine disease that results from a variety of neuroendocrine tumors (NETs), such as small cell lung cancer (SCLC) and bronchial typical carcinoid. Typical carcinoid is usually slow growing, not associated with plasma progastrin releasing peptide (ProGRP) elevation. Here, we report a 47-year-old female smoker with progressive typical carcinoid and plasma ProGRP elevation. Several types of Cushingoid features were found on physical examination. In addition, laboratory examination showed elevated plasma ACTH and serum cortisol levels...
September 20, 2018: Endocrine Journal
Daisuke Tadotsu, Noritoshi Kawate, Hiromichi Tamada
The present study examined the effects of progesterone (P) and 17β-estradiol (E2) on fetal damage and intrauterine pressure in ovariectomized pregnant mice. The mice were ovariectomized on gestational day (GD) 9 (copulation plug = GD 0), and daily subcutaneous injection of various doses of P (2, 3 or 4 mg) or 4 mg P plus E2 (0.05 or 0.1 μg) was given thereafter. Although P alone increased percentage of normal fetuses on GD 17 dose-dependently, fetal injury with edematous hematomata on their extremities was frequently observed...
September 19, 2018: Endocrine Journal
Masanori Adachi, Tomonobu Hasegawa, Yukichi Tanaka, Yumi Asakura, Junko Hanakawa, Koji Muroya
A heterozygous NR5A1 mutation is one of the most frequent causes of 46,XY DSD (disorders of sex development). We here reported a NR5A1-related 46,XY DSD patient, who first received endocrinological attention at 10 years of age for clitoromegaly. The patient had been reared as a girl, and no signs of virilization had been detected before. On examination, her clitoris was 35 mm long and 10 mm wide, with Tanner 3° pubic hair. Urogenital sinus and labial fusion was absent, while her uterus was found to be severely hypoplastic...
September 15, 2018: Endocrine Journal
Eunyoung Kim, Min Jae Chung, Yoonyoung Chung, Yonghyun Jun
Early onset puberty and irregular estrous cycles occur more frequently in rats which are fed a high-fat diet. Kisspeptin is an essential factor for the regulation of sexual maturation and is co-expressed with neurokinin B in neurons in the hypothalamic arcuate nucleus. However, the effects of a diet change on kisspeptin neuronal signaling are not well-understood. Therefore, in this study, we examined the immunoreactivity pattern of the kisspeptin/kiss1-receptor (KISS1R) and neurokinin B/neurokinin3-receptor (R)...
September 14, 2018: Endocrine Journal
Ayana Suzuki, Mitsuyoshi Hirokawa, Nami Takada, Miyoko Higuchi, Aki Tanaka, Toshitetsu Hayashi, Seiji Kuma, Akira Miyauchi
Follicular cell-derived thyroid carcinomas, including thyroid squamous cell carcinomas (SCCs) and anaplastic carcinomas, are immunoreactive for paired-box gene 8 (PAX8), while non-follicular cell-derived thyroid carcinomas stain negative for the PAX8 antibody. Intrathyroid thymic carcinoma (ITTC) arising from the intrathyroidal ectopic thymus exhibits moderate-to-strong nuclear reactivity for polyclonal PAX8. This is difficult to understand given that PAX8 is not associated with embryonic thymic development...
September 12, 2018: Endocrine Journal
Yumie Takeshita, Chisato Teramura, Toshinari Takamura
A 45-year-old male suddenly experienced left-flank abdominal pain. Echocardiography revealed akinesis of the 'takotsubo cardiomyopathy' type. He experienced a sudden haemodynamic collapse (blood pressure, 324/154 mmHg; pulse rate, 180 beats/min) during emergency cardiac catheterisation. An abdominal computed tomography (CT) revealed expansion of a soft tissue mass 64 × 33 mm in dimension in the left adrenal region, with accumulation of fluid surrounding the left pararenal space. Three days after the attack, his urinary catecholamine concentrations were slightly elevated...
September 8, 2018: Endocrine Journal
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