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Endocrine Journal

Ayana Suzuki, Mitsuyoshi Hirokawa, Aki Ito, Nami Takada, Miyoko Higuchi, Toshitetsu Hayashi, Seiji Kuma, Tsutomu Daa, Akira Miyauchi
The pathogenesis of thyroid lymphoepithelial cysts is controversial, and two hypotheses have been proposed, namely derivation from branchial-derived remnants or from squamous metaplasia of the follicular cells. The aim of this study was to clarify the pathogenesis of thyroid lymphoepithelial cysts. We performed pathological and immunohistochemical examination of 21 thyroid lymphoepithelial cysts, 13 non-neoplastic squamous metaplasia samples without thyroid carcinoma, 13 solid cell nests, and 14 lateral cervical cysts...
March 14, 2018: Endocrine Journal
Takuo Kubota, Hirofumi Nakayama, Taichi Kitaoka, Yosikazu Nakamura, Seiji Fukumoto, Ikuma Fujiwara, Yukihiro Hasegawa, Kenji Ihara, Sachiko Kitanaka, Satomi Koyama, Satoshi Kusuda, Haruo Mizuno, Keisuke Nagasaki, Koji Oba, Yuko Sakamoto, Noriyuki Takubo, Toshiaki Shimizu, Yusuke Tanahashi, Kosei Hasegawa, Hirokazu Tsukahara, Tohru Yorifuji, Toshimi Michigami, Keiichi Ozono
There is concern that vitamin D deficiency is prevalent among children in Japan as well as worldwide. We conducted a nationwide epidemiologic survey of symptomatic vitamin D deficiency to observe its incidence rate among Japanese children. A questionnaire inquiring the number of new patients with vitamin D deficiency rickets and/or hypocalcemia for 3 years was sent to 855 randomly selected hospitals with a pediatrics department in Japan. In this survey, we found that 250 children were diagnosed with symptomatic vitamin D deficiency...
March 10, 2018: Endocrine Journal
Yinhua Ni, Tao Wu, Luna Yang, Yang Xu, Tsuguhito Ota, Zhengwei Fu
Oxidative stress caused free radical and mitochondrial damage plays a critical role in the progression of aging and age-related damage at the cellular and tissue levels. Antioxidant supplementation has received growing attention and the effects of antioxidant on aging are increasingly assessed in both animal and human studies. However, additional and more promising treatments that contribute to the expansion of anti-aging therapies are needed. Astaxanthin, a super antioxidant carotenoid and free radical scavenger, inhibits lipid peroxidation more potently than vitamin E...
March 10, 2018: Endocrine Journal
Michiko Wada, Makoto Kita, Kaoru Kawasaki, Toru Kusakabe, Tetsuya Tagami, Noriko Satoh-Asahara, Akira Shimatsu, Koshi Hashimoto
Maternal Graves' disease (GD) during pregnancy may influence thyroid function in fetuses. Neonates born to mothers with high serum TSH receptor antibody (TRAb) levels have been reported to develop 'neonatal GD'. Therefore, evaluations of serum thyroid hormone and TRAb levels in neonates upon birth are crucial for a prompt diagnosis. At delivery, we measured TRAb with third-generation TRAb test using an M22 human monoclonal antibody in neonates by collecting umbilical cord blood in a blood collection tube with lithium-heparin, which provides a whole blood/plasma sample...
March 10, 2018: Endocrine Journal
Itsuko Miyazawa, Aya Kadota, Katsuyuki Miura, Motozumi Okamoto, Takashi Nakamura, Tsuyoshi Ikai, Hiroshi Maegawa, Atsushi Ohnishi
The prevalence of obesity is increasing globally in patients with diabetes. This study aimed to examine 12-year trends of increasing obesity in Japanese patients with diabetes, and their clinical features. The study used results of the Shiga Diabetes Clinical Survey, which recorded medical performance in diabetic patients in 2000, 2006 and 2012. Data were analyzed from 14,205, 14,407 and 21,449 adult patients in these three years, respectively. Overweight and obesity prevalence and the clinical features of diabetes patients were examined, stratified by body mass index (BMI) and age...
March 10, 2018: Endocrine Journal
Kunihiko Hanew, Toshiaki Tanaka, Reiko Horikawa, Tomonobu Hasegawa, Susumu Yokoya
The reported prevalence of complications in Turner Syndrome (TS) was highly variable because of the rarity and the limited numbers analyzed. Again, possible presence of other complications that are not described as specific for TS, is also speculated. To resolve these issues, a questionnaire survey was conducted in hGH treated 492 patients with adult TS (17-42 years). The possible association with these complications and karyotypes were also analyzed. The complications and their prevalence were as follows: chronic thyroiditis (25...
March 7, 2018: Endocrine Journal
Ayumi Imbe, Keiji Tanimoto, Yuiko Inaba, Satoshi Sakai, Kanako Shishikura, Hisashi Imbe, Yoshimi Tanimoto, Jungo Terasaki, Akihisa Imagawa, Toshiaki Hanafusa
Diabetic patients often suffer from muscle cramps. This study aimed to compare the quality of life (QOL) of diabetic patients with and without muscle cramps and to investigate the effect of L-carnitine supplementation in diabetic patients with muscle cramps. A total of 91 patients with diabetes were enrolled in this study: 69 patients with muscle cramps and 22 patients without muscle cramps. Muscle cramps and QOL were evaluated using the muscle cramp questionnaire and the Short Form 36 health survey version 2 (SF-36), respectively...
March 6, 2018: Endocrine Journal
Xiao-Song Yuan, Ming Zhang, Hui-Yan Wang, Jian Jiang, Bin Yu
By biochemical and epidemiological similarity with type 2 diabetes mellitus (T2DM), gestational diabetes mellitus (GDM) has some overlap between prediction markers and risk factors of T2DM. The present study aimed to establish that secreted frizzled-related protein 4 (SFRP4) and ficolin-3 levels, which have been linked to insulin resistance and the development of T2DM, are elevated in GDM women. A longitudinal prospective cohort study of 86 GDM and 273 normal glucose tolerant (NGT) pregnant women was performed...
February 27, 2018: Endocrine Journal
Yao Xu, Weilin Shi, Ruhui Song, Wenlin Long, Hui Guo, Shiliang Yuan, Tongcun Zhang
Copy number variation (CNV) has emerged as another important genetic marker in addition to SNP for understanding etiology of complex disease. Kv channel interacting protein 1 (KCNIP1) is a Ca2+ -dependent transcriptional modulator that contributes to the regulation of insulin secretion. Previous genome-wide CNV assay identified the KCNIP1 gene encompassing a CNV region, however, its further effect and risk rate on type 2 diabetes (T2D) have rarely been addressed, especially in Chinese population. The current study aims to detect and excavate genetic distribution profile of KCNIP1 CNV in Chinese T2D and control populations, and further to investigate the associations with clinical characteristics...
February 27, 2018: Endocrine Journal
Toshiya Matsuzaki, Altankhuu Tungalagsuvd, Munkhsaikhan Munkhzaya, Takeshi Iwasa, Kiyohito Yano, Yiliyasi Mayila, Takako Tokui, Rie Yanagihara, Sumika Matsui, Takeshi Kato, Akira Kuwahara, Minoru Irahara
Kisspeptin/neurokinin B (NKB)/dynorphin (Dyn) (KNDy) neuron in hypothalamic arcuate nucleus plays a key role in GnRH/LH pulsatile secretion. We aimed to determine whether stimulation of NKB/neurokinin 3 receptor (NK3R) signaling and inhibition of Dyn/kappa-opioid receptor (KOR) signaling recover LH secretion that is suppressed by acute fasting in male rats. Furthermore, we determined dose dependent effect of NKB/NK3R signaling on serum LH level under acute fasting condition in male mice. Mature male rats were injected saline (0...
February 23, 2018: Endocrine Journal
Mengyao Bai, Yun Liu, Feiye Zhou, Yuqing Zhang, Qin Zhu, Linlin Zhang, Qi Zhang, Shushu Wang, Kecheng Zhu, Xiao Wang, Libin Zhou
Glucose promotes insulin secretion primarily via its metabolism and the production of metabolic coupling factors in beta-cells. The activation of AMP-activated protein kinase (AMPK), an energy sensor, results in a decrease in insulin secretion from beta-cells, but its mechanism remains largely unknown. Berberine, an oral anti-diabetic drug, has been shown to activate AMPK in multiple peripheral tissues. Here, we examined the effects of berberine and AMPK activation on insulin secretion and glucose oxidation in rat islets...
February 22, 2018: Endocrine Journal
Kanako Kojima-Ishii, Naoko Toda, Kazuhiro Okubo, Vlad Tocan, Noriko Ohyama, Mika Makimura, Terumichi Matsuo, Masayuki Ochiai, Shouichi Ohga, Kenji Ihara
Children born small for gestational age (SGA) are at a higher risk for metabolic disorders later in life. In this study, we aimed to characterize young SGA children without catch-up growth and evaluate the effects of GH treatment on endocrinological, metabolic, and immunological parameters. Study design is a one-year single hospital-based study included prospective observation of SGA patients during 12 months of GH treatment. Clinical and laboratory profiles of SGA children at baseline were compared with controls born appropriate size for age...
February 20, 2018: Endocrine Journal
Kei Sawada, Shigehiro Karashima, Mitsuhiro Kometani, Rie Oka, Yoshimichi Takeda, Toshitaka Sawamura, Aya Fujimoto, Masashi Demura, Ayako Wakayama, Mikiya Usukura, Kunimasa Yagi, Yoshiyu Takeda, Takashi Yoneda
Obstructive sleep apnea syndrome (OSAS) is often associated with metabolic disorders such as obesity and type 2 diabetes and may contribute to cardiovascular events. A novel class of antidiabetic drugs, the sodium glucose cotransporter 2 inhibitors (SGLT2i) reduce body weight (BW), although there is limited data on their impact on OSAS. We therefore evaluated the effect of SGLT2i on OSAS in patients with type 2 diabetes. The presented study was a retrospective design in 18 patients with type 2 diabetes with OSAS (4 males, age range 39-81 yr) administrated a SGLT2i...
February 20, 2018: Endocrine Journal
Toshie Iijima, Takafumi Niitani, Seiichi Tanaka, Kazunori Yanagi, Teruo Jojima, Kunihiro Suzuki, Isao Usui, Yoshimasa Aso
We describe a very rare case of concurrent variant type 3 autoimmune polyglandular syndrome (APS) and pulmonary arterial hypertension (PAH). A previously healthy 65-year-old Japanese woman was referred to our university hospital with a 2-month history of general fatigue and hyperglycemia. Laboratory tests revealed severe hyperglycemia (plasma glucose 543 mg/dL and HbA1c 10.7%) with ketonuria (3+). Glutamic acid decarboxylase (GAD) and IA-2 antibodies were positive, and the serum C peptide level was markedly decreased to 0...
February 16, 2018: Endocrine Journal
Masao Takenobu, Sueyoshi Moritani, Kana Yoshioka, Tsuyoshi Morisaki, Hiroya Kitano
Thyroid metastasis from head and neck squamous cell carcinoma (SCC) is a very rare form of rarely observed metastatic thyroid tumor. We herein report a case of thyroid metastasis from oropharyngeal SCC (OSCC). The patient was a 68-year-old male diagnosed with p16-positive tonsillar OSCC on the right side with multiple lymph node metastases and a thyroid mass, which was determined as metastatic p16-positive OSCC by immunohistochemistry of specimens collected by fine-needle aspiration cytology (FNAC). He received one cycle of induction chemotherapy followed by concurrent chemoradiotherapy...
February 15, 2018: Endocrine Journal
Jinzhou Zhu, Mingqing He, Yong Zhang, Tingxin Li, Yuping Liu, Zhiye Xu, Weichang Chen
Various noninvasive algorithms have been developed for predicting the presence of nonalcoholic fatty liver disease (NAFLD). The evaluation of the indexes' diagnostic performance has been reported in Europe and Asia over the past decade; however, external validation of them in China is rare. This study was aimed to evaluate various indexes for NAFLD in western China. It was a retrospective cross-sectional study, using data from a large-scale health check-up project at Sichuan provincial hospital. Receiver operating characteristic (ROC) curves of eight indexes, including the fatty liver index (FLI), the hepatic steatosis index, lipid accumulation product and etc...
February 9, 2018: Endocrine Journal
Mincheol Kang, Jain Jeong, Jinhee Lee, Song Park, Yonghun Sung, Minjee Choi, Wookbong Kwon, Soyoung Jang, Kwang Shik Choi, Yeon Sik Choo, Duhak Yoon, Myoung Ok Kim, Zae Young Ryoo
Placental growth factor (PlGF), a member of the vascular endothelial growth factor (VEGF) sub-family, plays a major role in angiogenesis and vasculogenesis. Previous study demonstrated that PlGF-overexpressing transgenic (Tg) mice had gestational loss. In addition, PlGF secretion was up-regulated in isolated T lymphocytes (T-cell) upon CD3/CD28 stimulation, suggesting that PlGF could be a regulator of T-cell differentiation and development. T-cells are well known to play a critical role in obesity-induced inflammation...
February 9, 2018: Endocrine Journal
Mitsuyoshi Hirokawa, Nami Takada, Hideyuki Abe, Ayana Suzuki, Miyoko Higuchi, Akihiro Miya, Toshitetsu Hayashi, Mitsuhiro Fukushima, Akihiko Kawahara, Akira Miyauchi
We report three cases of thyroid sclerosing mucoepidermoid carcinoma with eosinophilia (SMECE), which is an extremely rare variant of mucoepidermoid carcinoma (MEC). The aims of this report were to describe the clinicopathological findings, including results from immunohistochemical and fluorescence in situ hybridization analysis of thyroid SMECE, as well as to discuss the distinction between thyroid SMECE and its salivary counterpart. The cases included a 63-year-old female, a 44-year-old male, and a 66-year-old female, with all patients presenting with Hashimoto's thyroiditis...
February 8, 2018: Endocrine Journal
Jian Li, Ying-Hong Shao, Xiao-Gang Wang, Yanping Gong, Chunlin Li, Yanhui Lu
This study evaluates the efficacy and safety of sodium-glucose cotransporter 2 (SGLT2) inhibitors as add-on to metformin and sulfonylurea treatment for type 2 diabetes management. The literature search was conducted in electronic databases and meta-analyses of mean differences in the changes from baseline in selected disease endpoints (efficacy endpoints) or odds ratios (for safety endpoints) were performed to compare outcomes between SGLT2 inhibitor- and placebo-/comparator-treatments. Seven studies (5,143 patients; age 56...
January 27, 2018: Endocrine Journal
Ryosuke Sakai, Yoshitaka Hashimoto, Emi Ushigome, Akane Miki, Takuro Okamura, Masako Matsugasumi, Takuya Fukuda, Saori Majima, Shinobu Matsumoto, Takafumi Senmaru, Masahide Hamaguchi, Muhei Tanaka, Mai Asano, Masahiro Yamazaki, Yohei Oda, Michiaki Fukui
Skipping breakfast or irregular breakfast is associated with poor glycemic control. However, a relationship between the timing of dinner and glycemic control in people with type 2 diabetes remains indefinite. Therefore, we investigated the relationship between late-night-dinner and glycemic control in people with type 2 diabetes. We performed questionnaire survey for lifestyle factors in this cross-sectional study. We defined having dinner later than eight pm as late-night-dinner. We examined the differences in clinical and metabolic parameters between those who have late-night-dinner and those who do not have...
January 27, 2018: Endocrine Journal
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