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Endocrine Journal

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https://www.readbyqxmd.com/read/28794344/papillary-thyroid-carcinoma-with-desmoid-type-fibromatosis-a-clinical-pathological-and-immunohistochemical-study-of-14-cases
#1
Nami Takada, Mitsuyoshi Hirokawa, Masahiro Ito, Aki Ito, Ayana Suzuki, Miyoko Higuchi, Seiji Kuma, Toshitetsu Hayashi, Masao Kishikawa, Shuichi Horikawa, Akira Miyauchi
Papillary thyroid carcinoma (PTC) with desmoid-type fibromatosis (DTF) is characterized by genetic alterations of the fibroblasts. However, PTC-DTF is extremely rare, and the reports on such cases have been sporadic. Immunohistochemical staining using the antibody for beta-catenin is useful in diagnosing the variant. This report aims to describe the clinical, pathological, and immunohistochemical findings in 14 cases of PTC-DTF and to clarify the diagnostic significance of the variant. The patients included 9 women and 5 men, with a mean age of 49...
August 10, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28794343/comparative-histopathological-analysis-of-sporadic-pediatric-papillary-thyroid-carcinoma-from-japan-and-ukraine
#2
Tetiana I Bogdanova, Vladimir A Saenko, Mitsuyoshi Hirokawa, Masahiro Ito, Liudmyla Yu Zurnadzhy, Toshitetsu Hayashi, Tatiana I Rogounovitch, Akira Miyauchi, Mykola D Tronko, Shunichi Yamashita
This study set out to compare structural and invasive characteristics of sporadic papillary thyroid carcinoma (PTC) in age-matched groups of children and adolescents of Japan and Ukraine to provide detailed histopathological analysis of tumors from different geographical areas with different iodine intake. A total of 348 (160 Japanese and 188 Ukrainian) PTCs from patients without radiation history were analyzed initially as a combined pediatric group and then subdivided into childhood (aged ≤14 years) and adolescent (aged from 15 to ≤18 years) age series...
August 10, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28794341/protective-effects-of-lycium-barbarum-polysaccharide-on-male-sexual-dysfunction-and-fertility-impairments-by-activating-hypothalamic-pituitary-gonadal-axis-in-streptozotocin-induced-type-1-diabetic-male-mice
#3
Guang-Jiang Shi, Jie Zheng, Jing Wu, Hai-Qi Qiao, Qing Chang, Yang Niu, Tao Sun, Yu-Xiang Li, Jian-Qiang Yu
Diabetes-associated male sexual dysfunction and fertility impairments are both common clinical complications with limited therapeutic options; hence it seriously affects the quality of life of the patients, in particular, the patients of reproductive age. Lycium barbarum polysaccharide (LBP) has long being believed to maintain and to promote reproductive functions in the traditional medical practice in China. The current study was to investigate if LBP may contribute to recovery of male sexual dysfunction and fertility impairments in diabetic individuals...
August 9, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28768959/next-generation-sequencing-based-mutation-screening-of-86-patients-with-idiopathic-short-stature
#4
Atsushi Hattori, Yuko Katoh-Fukui, Akie Nakamura, Keiko Matsubara, Tsutomu Kamimaki, Hiroyuki Tanaka, Sumito Dateki, Masanori Adachi, Koji Muroya, Shinobu Yoshida, Shinobu Ida, Marie Mitani, Keisuke Nagasaki, Tsutomu Ogata, Erina Suzuki, Kenichiro Hata, Kazuhiko Nakabayashi, Yoichi Matsubara, Satoshi Narumi, Toshiaki Tanaka, Maki Fukami
Although mutations in ACAN, FGFR3, NPR2, and SHOX typically lead to skeletal dysplasia, and mutations in GHRHR, GH1, GHR, STAT5B, IGF1, IGFALS, and IGF1R usually underlie hormonal defects of the growth hormone (GH)-insulin-like growth factor 1 (IGF1) axis, such mutations have also been identified in patients with idiopathic short stature (ISS). Of these, SHOX abnormalities are known to account for a certain percentage of ISS cases, whereas the frequency of mutations in the other 10 genes in ISS cohorts remains unknown...
August 3, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28768937/definitive-surgical-treatment-of-osteomalacia-induced-by-skull-base-tumor-and-determination-of-the-half-life-of-serum-fibroblast-growth-factor-23
#5
Taijun Hana, Shota Tanaka, Hirofumi Nakatomi, Masaaki Shojima, Seiji Fukumoto, Masako Ikemura, Nobuhito Saito
Tumor-induced osteomalacia (TIO) is a rare paraneoplastic syndrome often associated with fibroblast growth factor 23 (FGF23)-producing tumors such as phosphaturic mesenchymal tumor, mixed connective tissue variant (PMTMCT) affecting the bone and soft tissue. We experienced a patient with progressive bone and muscle pain due to FGF23-related TIO. Venous sampling had strongly suggested the anterior skull base as a source of FGF23, which led to the discovery of a small tumor in the ethmoid sinus extending intracranially...
August 2, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28768936/comparison-of-thyroglobulin-and-thyroid-peroxidase-antibodies-measured-by-five-different-kits-in-autoimmune-thyroid-diseases
#6
Eijun Nishihara, Nobuyuki Amino, Takumi Kudo, Mitsuru Ito, Shuji Fukata, Mitsushige Nishikawa, Hirotoshi Nakamura, Akira Miyauchi
It is generally believed that the detection of thyroid peroxidase antibodies (TPOAb) is superior to that of thyroglobulin antibodies (TgAb) for the diagnosis of Hashimoto's thyroiditis. However, limited data are available on the comparison of TgAb and TPOAb prevalence as a diagnostic measurement for Hashimoto's thyroiditis using sensitive immunoassays. We herein used five different current immunoassay kits (A-E) to compare the prevalence of TgAb and TPOAb in Hashimoto's thyroiditis (n = 70), Graves' disease (n = 70), painless thyroiditis (n = 50), and healthy control subjects (n = 100)...
August 2, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28717063/effective-waist-circumference-reduction-rate-necessary-to-avoid-the-development-of-type-2-diabetes-in-japanese-men-with-abdominal-obesity
#7
Risa Kashiwagi, Hiromi Iwahashi, Yuya Yamada, Takaaki Sakaue, Tomonori Okita, Yusuke Kawachi, Ryuya Iwamoto, Kenji Saisho, Sachiko Tamba, Koji Yamamoto, Takehiko Watanabe, Takashi Fujimoto, Yuji Matsuzawa
The aim of this study was to determine the effective waist circumference (WC) reduction rate in avoiding the development of type 2 diabetes mellitus (T2DM) in <55 years and ≥55 years Japanese men with abdominal obesity. The study subjects were 795 men with WC ≥85 cm, fasting plasma glucose <126 mg/dL, 2-hr plasma glucose on 75 g of oral glucose tolerance test <200 mg/dL, and HbA1c 5.6-6.4 % (38-40 mmol/mol) at baseline who underwent general health checkups more than twice between April 2007 and May 2015...
July 15, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28701629/atypical-pituitary-adenoma-with-men1-somatic-mutation-associated-with-abnormalities-of-dna-mismatch-repair-genes-mlh1-germline-mutation-and-msh6-somatic-mutation
#8
Shinsuke Uraki, Hiroyuki Ariyasu, Asako Doi, Hiroto Furuta, Masahiro Nishi, Kokichi Sugano, Naoko Inoshita, Naoyuki Nakao, Shozo Yamada, Takashi Akamizu
The mechanism of pituitary tumorigenesis remains largely unknown. Lynch syndrome is an autosomal, dominantly inherited syndrome caused by a defective mismatch repair (MMR) mechanism involved in the development of various tumors at an early age. In this case study, we showed the occurrence of pituitary tumors associated with Lynch syndrome for the first time and performed genetic and immunohistochemical analysis to evaluate the genetic aberrations that might be related to the tumorigenesis and proliferation...
July 13, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28701684/expression-of-aldo-keto-reductase-family-1-member-c14-during-ovulation-in-the-rat
#9
Phuong T M Dam, You-Jee Jang, Ja-Yeon Kim, Seul-Gee Choi, Jae-Il Park, Young-Woo Seo, Sang-Young Chun
The potent androgen 5α-dihydrotestosterone is metabolized to the weak androgen 5α-androstane-3α, 17β-diol (3α-diol) by the enzyme aldo-keto reductase family 1, member C14 (Akr1c14) in rodents. The purpose of the present study was to investigate the regulation of Akr1c14 expression during the ovulatory process in rat ovaries. Northern blot analysis revealed that treatment of immature rats with equine chorionic gonadotropin resulted in lowered Akr1c14 expression, whereas subsequent treatment with human chorionic gonadotropin (hCG) increased ovarian Akr1c14 expression within 3 h...
July 11, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28701683/efficacy-and-safety-of-octreotide-for-the-treatment-of-congenital-hyperinsulinism-a-prospective-open-label-clinical-trial-and-an-observational-study-in-japan-using-a-nationwide-registry
#10
Yuki Hosokawa, Rie Kawakita, Susumu Yokoya, Tsutomu Ogata, Keiichi Ozono, Osamu Arisaka, Yukihiro Hasegawa, Satoshi Kusuda, Michiya Masue, Hironori Nishibori, Toshimi Sairenchi, Tohru Yorifuji
Octreotide, a long-acting somatostatin analog, has been used for treating hypoglycemia caused by congenital hyperinsulinism (CHI). However, octreotide has not been evaluated in clinical trials and has not been approved in any developed country. We aimed to test the efficacy and safety of octreotide for diazoxide-unresponsive CHI through a combination of a single-arm, open-label clinical trial (SCORCH study) and an observational study to collect data on the clinical course of patients treated off-label in Japan (SCORCH registry)...
July 11, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28690277/preoperative-diagnostic-algorithm-of-primary-thyroid-lymphoma-using-ultrasound-aspiration-cytology-and-flow-cytometry
#11
Mitsuyoshi Hirokawa, Takumi Kudo, Hisashi Ota, Ayana Suzuki, Kaoru Kobayashi, Akira Miyauchi
The aims of this report were to clarify the diagnostic significance of ultrasound (US), fine needle aspiration cytology (FNAC), and flow cytometry for primary thyroid lymphoma, and to establish a preoperative diagnostic algorithm of primary thyroid lymphoma. We retrospectively examined US, FNAC, and flow cytometry in 43 patients with benign lymphoproliferative lesions and 32 patients with primary thyroid lymphoma, who underwent US, FNAC, and flow cytometry at Kuma Hospital between May 2012 and December 2015...
July 8, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28680002/chromophobe-renal-cell-carcinoma-like-thyroid-carcinoma-a-novel-clinicopathologic-entity-possibly-associated-with-tuberous-sclerosis-complex
#12
Mitsuyoshi Hirokawa, Akira Miyauchi, Minoru Kihara, Takumi Kudo, Yuko Hashimoto, Shinichi Suzuki, Tsutomu Daa, Huy Gia Vuong, Norisato Mitsutake
We report three cases of chromophobe renal cell carcinoma-like thyroid carcinoma as a novel clinicopathologic entity possibly associated with tuberous sclerosis complex. A 15-year-old female, a 19-year-old male, and a 21-year-old male presented with primary thyroid carcinoma. Two of the patients had associated tuberous sclerosis complex. Macroscopically, the carcinomas showed invasive growth. Histologically, the carcinoma cells showed a trabecular pattern with thin vascular stroma, and were characterized by abundant eosinophilic cytoplasm with perinuclear clearing, a prominent cell border, a wrinkled nuclear membrane, and binucleation, which are all features of chromophobe renal cell carcinoma...
July 6, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28679975/the-response-to-growth-hormone-treatment-in-prepubertal-children-with-growth-hormone-deficiency-in-japan-comparing-three-consecutive-years-of-treatment-data-of-the-foundation-for-growth-science-in-japan-between-the-1990s-and-2000s
#13
Tsuyoshi Isojima, Tomonobu Hasegawa, Susumu Yokoya, Toshiaki Tanaka
Growth hormone (GH) treatment for children with GH deficiency (GHD) is effective in improving adult height. To achieve favorable effects, GH treatment before puberty is very important, because prepubertal height gain is highly correlated with total height gain. However, no report has studied the effects by analyzing a nationwide data from recent GHD patients in Japan. We investigated the response to GH treatment using data compiled in the Foundation for Growth Science in Japan, and compared the effects between the 1990s and 2000s using analysis of covariance...
July 4, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28674284/c1qtnf-related-protein-1-improve-insulin-resistance-by-reducing-phosphorylation-of-serine-1101-in-insulin-receptor-substrate-1
#14
Yaping Xin, Dongming Zhang, Yanqin Fu, Chongxian Wang, Qingju Li, Chenguang Tian, Suhe Zhang, Xiaodong Lyu
C1qTNF-related protein 1 (CTRP1) is independently associated with type 2 diabetes. However, the relationship between CTRP1 and insulin resistance is still not established. This study aimed to explore the role of CTRP1 under the situation of insulin resistance in adipose tissue. Plasma CTRP1 level was investigated in type 2 diabetic subjects (n = 35) and non-diabetic subjects (n = 35). The relationship between CTRP1 and phosphorylation of multi insulin receptor substrate 1 (IRS-1) serine (Ser) sites was further explored...
July 1, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28674283/neutral-ceramidase-activity-inhibition-is-involved-in-palmitate-induced-apoptosis-in-ins-1-cells
#15
Fen Luo, Yamin Feng, Huimin Ma, Chao Liu, Guofang Chen, Xiao Wei, Xiaodong Mao, Xingjia Li, Yijiao Xu, Shan Tang, Honghua Wen, Junfei Jin, Qun Zhu
Neutral ceramidase (NCDase) is a class of ceramidases, a key enzyme in ceramide degradation. Recently, it was observed that NCDase activity was suppressed by saturated fatty acids to increase ceramide content in rat muscle. However, little is known about its changes in activity and roles in palmitate (Palm)-induced lipotoxicity in pancreatic β cells. Here, we demonstrated that Palm treatment significantly down-regulated NCDase activity, mRNA and protein levels in rat INS-1 cells. In addition, Palm caused a significant accumulation of ceramide, while SPH level remained unchanged, suggesting that inhibition of NCDase activity led to no change of SPH level after treatment with Palm for 24 h...
July 1, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28659544/lenvatinib-induces-early-tumor-shrinkage-in-patients-with-advanced-thyroid-carcinoma
#16
Chie Masaki, Kiminori Sugino, Naoko Saito, Yoshiyuki Saito, Tomoaki Tanaka, Yuna Ogimi, Tetsuyo Maeda, Tadatoshi Osaku, Junko Akaishi, Kiyomi Y Hames, Chisato Tomoda, Akifumi Suzuki, Kenichi Matsuzu, Takashi Uruno, Keiko Ohkuwa, Wataru Kitagawa, Mitsuji Nagahama, Hiroshi Takami, Koichi Ito
Although advanced thyroid carcinoma patients who cannot be cured by conventional therapy have lacked effective treatment, multitargeted tyrosine kinase inhibitors have recently become available. Phase 3 trials of lenvatinib showed a median time to objective response of 2 (95 % confidence interval (CI) 1.9-3.5) months, demonstrating that shrinks tumors rapidly. The phenomenon of immediate tumor shrink is known as early tumor shrinkage (ETS) which is related to clinical outcome in other malignancies. However, precisely when within 8 weeks lenvatinib starts to affect tumors remains unclear...
June 28, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28659543/sox2-nonsense-mutation-in-a-patient-clinically-diagnosed-with-non-syndromic-hypogonadotropic-hypogonadism
#17
Hirohito Shima, Akira Ishii, Yasunori Wada, Junya Kizawa, Tadashi Yokoi, Noriyuki Azuma, Yoichi Matsubara, Erina Suzuki, Akie Nakamura, Satoshi Narumi, Maki Fukami
Hypogonadotropic hypogonadism (HH) is a genetically heterogeneous condition that occurs either as an isolated disorder or as a component of congenital malformation syndromes. SOX2 is a causative gene of syndromic HH characterized by anophthalmia, microphthalmia, or coloboma and other neurological defects such as epilepsy. To date, the causal relationship between SOX2 abnormalities and non-syndromic HH remains speculative. Here, we identified a nonsense mutation of SOX2 in a male patient clinically diagnosed with non-syndromic HH...
June 28, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28659539/progesterone-dose-dependently-modulates-hepatocyte-growth-factor-production-in-3t3-l1-mouse-preadipocytes
#18
Tomoki Ito, Daisuke Yamaji, Akihiro Kamikawa, Mabrouk Attia Abd Eldaim, Yuko Okamatsu-Ogura, Akira Terao, Masayuki Saito, Kazuhiro Kimura
It is well documented that estrogen is predominant inducer of hepatocyte growth factor (HGF) in a variety of cell types. However, the effect of progesterone (P) remains to be elusive. Thus, in the present study, we examined the effect of P and combined effect of P and 17β-estradiol (E2) on HGF expression and production in 3T3-L1 fibroblastic preadipocytes and mature adipocytes, as a model of stromal cells. Northern blot analysis showed that hgf mRNA expressed in preadipocytes was notably higher than that of mature adipocytes, and increased by treatment of preadipocytes with E2 or 10 nM P, but not with 1,000 nM P...
June 27, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28637948/in-the-overnight-dexamethasone-suppression-test-1-0-mg-loading-is-superior-to-0-5-mg-loading-for-diagnosing-subclinical-adrenal-cushing-s-syndrome-based-on-plasma-dexamethasone-levels-determined-using-liquid-chromatography-tandem-mass-spectrometry
#19
Yosuke Sasaki, Takuyuki Katabami, Shiko Asai, Hisashi Fukuda, Yasushi Tanaka
The low-dose dexamethasone suppression test (DST) is one of the commonly used initial tests for endogenous Cushing's syndrome (CS). However, there are two loading dose regimens (0.5-mg and 1-mg), which may cause some confusion in daily practice in Japan; furthermore, there are no reports regarding whether 0.5-mg DST is a better loading dose for detecting adrenal subclinical CS (SCS) based on the plasma dexamethasone (DEX) levels. Therefore, the aims of this study were (a) to develop a novel assay to measure DEX by using liquid chromatography tandem-mass spectrometry (LC-MS/MS) and (b) to compare between the 0...
June 21, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28626131/homozygous-duoxa2-mutation-p-tyr138-in-a-girl-with-congenital-hypothyroidism-and-her-apparently-unaffected-brother-case-report-and-review-of-the-literature
#20
Chiho Sugisawa, Shinji Higuchi, Masaki Takagi, Yukihiro Hasegawa, Matsuo Taniyama, Kiyomi Abe, Tomonobu Hasegawa, Satoshi Narumi
Mutations in DUOXA2, encoding dual oxidase maturation factor 2, is a rare genetic cause of congenital hypothyroidism. Only four biallelic DUOXA2 mutation carriers have been described to date. This study was conducted to report the clinical and genetic findings of a DUOXA2 mutation-carrying family, and to review the previously reported cases. The proband was a 4-year-old girl, who was diagnosed as having congenital hypothyroidism in the frame of newborn screening. She had a high serum TSH level (138 mU/L) and a low free T4 level (0...
June 16, 2017: Endocrine Journal
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