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https://www.readbyqxmd.com/read/28087532/establishment-and-validation-of-rna-based-predictive-models-for-understanding-survival-of-vibrio-parahaemolyticus-in-oysters-stored-at-low-temperatures
#1
Chao Liao, Yong Zhao, Luxin Wang
: This study developed RNA-based predictive models describing the survival of Vibrio parahaemolyticus in Eastern oysters (Crassostrea virginica) during storage at 0, 4, and 10°C. Post-harvested oysters were inoculated with a cocktail of five V. parahaemolyticus strains and were then stored at 0, 4, and 10°C for 21 or 11 days. A real-time RT-PCR assay targeting expression of tlh gene was used to evaluate the number of surviving V. parahaemolyticus, which was then used to establish primary molecular models (MMs)...
January 13, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28073082/vibrio-parahaemolyticus-o4-k8-forms-a-potential-predominant-clone-in-southern-china-as-detected-by-whole-genome-sequence-analysis
#2
Baisheng Li, Xingfen Yang, Hailing Tan, Bixia Ke, Dongmei He, Changwen Ke, Yonghui Zhang
Vibrio parahaemolyticus has been the most common food-borne pathogen in southern China, especially the O3:K6 pandemic clone and its serovariants. Recently, the serotype O4:K8 became more and more prevalent in southern China, which was different from the O3:K6 pandemic clone. Thus, the aim of the present work was to elucidate the molecular characteristics of the O4:K8. Some O3:K6 pandemic clone and its serovariants isolated in the same period were selected for comparative analysis, which were still dominant clone locally...
January 4, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28065941/di2-ethylhexyl-phthalate-disrupts-thyroid-hormone-homeostasis-through-activating-the-ras-akt-trhr-pathway-and-inducing-hepatic-enzymes
#3
Hanfeng Ye, Mei Ha, Min Yang, Ping Yue, Zhengyuan Xie, Changjiang Liu
Di(2-ethylhexyl) phthalate (DEHP), as a widespread environmental pollutant and an endocrine disruptor, can disturb the homeostasis of thyroid hormones (THs). In order to elucidate roles of the MAPK and PI3K/Akt pathways and hepatic enzymes in thyroid-disrupting effects of DEHP, Sprague-Dawley rats were dosed with DEHP by gavage for 30 consecutive days; Nthy-ori 3-1 cells were treated with DEHP with NAC, k-Ras siRNA or inhibitors (U0126 and wortmannin). Results showed that DEHP led to histopathologic changes in rat thyroid and liver, such as the decrease in thyroid follicular cavity diameter, hepatocyte edema...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28063130/glucocorticoids-curtail-stimuli-induced-creb-phosphorylation-in-trh-neurons-through-interaction-of-the-glucocorticoid-receptor-with-the-catalytic-subunit-of-protein-kinase-a
#4
Israim Sotelo-Rivera, Antonieta Cote-Vélez, Rosa-María Uribe, Jean-Louis Charli, Patricia Joseph-Bravo
PURPOSE: Corticosterone prevents cold-induced stimulation of thyrotropin-releasing hormone (Trh) expression in rats, and the stimulatory effect of dibutyryl cyclic-adenosine monophosphate (dB-cAMP) on Trh transcription in hypothalamic cultures. We searched for the mechanism of this interference. METHODS: Immunohistochemical analyses of phosphorylated cAMP-response element binding protein (pCREB) were performed in the paraventricular nucleus (PVN) of Wistar rats, and in cell cultures of 17-day old rat hypothalami, or neuroblastoma SH-SY5Y cells...
January 6, 2017: Endocrine
https://www.readbyqxmd.com/read/28058248/first-multi-year-retrospective-study-on-vibrio-parhaemolyticus-and-vibrio-vulnificus-prevalence-in-ruditapes-philippinarum-harvested-in-sacca-di-goro-italy
#5
Patrizia Serratore, Fabio Ostanello, Pier Luca Passalacqua, Emanuele Zavatta, Giorgia Bignami, Andrea Serraino, Federica Giacometti
The present work describes a retrospective study aiming to verify a possible correlation between the environmental conditions (temperature, salinity and dissolved oxygen), the abundance of Vibrio spp., and the prevalence of V. parahaemolyticus and V. vulnificus in the Manila clam R. philippinarum harvested in Sacca di Goro, Emilia-Romagna Region, Northern Italy. On the whole, 104 samples, collected in the period 2007-2015 and submitted to microbiological analyses (isolation and genotyping), have been reconsidered for Vibrio spp...
September 20, 2016: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/27891183/complete-genome-of-vibrio-parahaemolyticus-forc014-isolated-from-the-toothfish
#6
Sojin Ahn, Han Young Chung, Sooyeon Lim, Kwondo Kim, Suyeon Kim, Eun Jung Na, Kelsey Caetano-Anolles, Ju-Hoon Lee, Sangryeol Ryu, Sang Ho Choi, Heebal Kim
BACKGROUND: Foodborne illness can occur due to various pathogenic bacteria such as Staphylococcus aureus, Escherichia coli and Vibrio parahaemolyticus, and can cause severe gastroenteritis symptoms. In this study, we completed the genome sequence of a foodborne pathogen V. parahaemolyticus FORC_014, which was isolated from suspected contaminated toothfish from South Korea. Additionally, we extended our knowledge of genomic characteristics of the FORC_014 strain through comparative analysis using the complete sequences of other V...
2016: Gut Pathogens
https://www.readbyqxmd.com/read/27882133/effects-of-forced-swimming-stress-on-thyroid-function-pituitary-thyroid-stimulating-hormone-and-hypothalamus-thyrotropin-releasing-hormone-expression-in-adrenalectomy-wistar-rats
#7
Qiuyan Sun, Aihua Liu, Yanan Ma, Anyi Wang, Xinhong Guo, Weiping Teng, Yaqiu Jiang
In order to study the impact that is imposed on the hypothalamic-pituitary-thyroid (HPT) axis of adrenalectomy male Wistar rats by stress caused by swimming, the blood level of triiodothyronine (T3), thyroxine (T4) and thyroid-stimulating hormone (TSH), the expression of TSHβ mRNA at the pituitary and thyrotropin releasing hormone (TRH) expression at the paraventricular nucleus (PVN) were measured. A total of 50 male Wistar rats of 6-8 weeks of age and with an average weight of 190-210 grams were randomly divided into the following two groups: The surgical (without adrenal glands) and non-surgical (adrenalectomy) group...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27864049/phosphodiesterase-7-inhibition-affects-accumbal-and-hypothalamic-thyrotropin-releasing-hormone-expression-feeding-and-anxiety-behavior-of-rats
#8
M I Valdés-Moreno, V Alcántara-Alonso, E Estrada-Camarena, G Mengod, M I Amaya, G Matamoros-Trejo, P de Gortari
Thyrotropin-releasing hormone (TRH) has anorexigenic and anxiolytic functions when injected intraventricularly. Nucleus accumbens (NAcc) is a possible brain region involved, since it expresses proTRH. TRH from hypothalamic paraventricular nucleus (PVN) has a food intake-regulating role. TRHergic pathways of NAcc and PVN are implicated in anxiety and feeding. Both behaviors depend on cAMP and phosphorylated-cAMP response element binding protein (pCREB) intracellular levels. Intracellular levels of cAMP are controlled by the degrading activity of phosphodiesterases (PDEs)...
February 15, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/27836844/season-specific-occurrence-of-potentially-pathogenic-vibrio-spp-on-the-southern-coast-of-south-korea
#9
Doris Y W Di, Anna Lee, Jeonghwan Jang, Dukki Han, Hor-Gil Hur
: Vibrio species are widely distributed in warm estuarine and coastal environments, and they can infect humans through the consumption of raw and mishandled contaminated seafood. In this study, we aimed to isolate and observe the distribution of enteropathogenic Vibrio spp. from environments of the southern coast of South Korea over a season cycle. A total of 10,983 Vibrio spp. were obtained from tidal water and mud samples over a one-year period from five sampling sites along the southern west coast of South Korea...
November 11, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27836764/direct-detection-of-various-pathogens-by-loop-mediated-isothermal-amplification-assays-on-bacterial-culture-and-bacterial-colony
#10
Muxia Yan, Weidong Li, Zhenwen Zhou, Hongxia Peng, Ziyan Luo, Ling Xu
In this work, loop-mediated isothermal amplification based detection assay using bacterial culture and bacterial colony for various common pathogens direct detection had been established, evaluated and further applied. A total of five species of common pathogens and nine detection targets (tlh, tdh and trh for V. Parahaemolyticus, rfbE, stx1 and stx2 for E. coli, oprI for P. aeruginosa, invA for Salmonella and hylA for L. monocytogenes) were performed on bacterial culture and bacterial colony LAMP. To evaluate and optimize this assay, a total of 116 standard strains were included...
January 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27827805/the-hot-oyster-levels-of-virulent-vibrio-parahaemolyticus-strains-in-individual-oysters
#11
Savannah L Klein, Charles R Lovell
Vibrio parahaemolyticus is the leading cause of seafood-associated gastroenteritis and is most commonly transmitted by raw oysters. Consequently, detection of virulent strains of this organism in oysters is a primary concern for seafood safety. Vibrio parahaemolyticus levels were determined in 110 individual oysters harvested from two sampling sites in SC, USA. The majority of oysters (98%) contained low levels of presumptive V. parahaemolyticus However, two healthy oysters contained presumptive V. parahaemolyticus numbers that were unusually high...
February 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/27815747/first-series-of-total-robotic-hysterectomy-trh-using-new-integrated-table-motion-for-the-da-vinci-xi-feasibility-safety-and-efficacy
#12
Andrea Giannini, Eleonora Russo, Paolo Mannella, Giulia Palla, Silvia Pisaneschi, Elena Cecchi, Michele Maremmani, Luca Morelli, Alessandra Perutelli, Vito Cela, Franca Melfi, Tommaso Simoncini
BACKGROUND: To present the first case series of total robotic hysterectomy (TRH), using integrated table motion (ITM), which is a new feature comprising a unique operating table by Trumpf Medical that communicates wirelessly with the da Vinci Xi surgical system. ITM has been specifically developed to improve multiquadrant robotic surgery such as that conducted in colorectal surgery. METHODS: Between May and October 2015, a prospective post-market study was conducted on ITM in the EU in 40 cases from different specialties...
November 4, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27810782/effect-of-l-pglu-1-benzyl-l-his-l-pro-nh2-against-in-vitro-and-in-vivo-models-of-cerebral-ischemia-and-associated-neurological-disorders
#13
Satyendra K Rajput, Arun K Sharma, Chhuttan L Meena, Aditya B Pant, Rahul Jain, Shyam S Sharma
Central nervous system plays a vital role in regulation of most of biological functions which are abnormally affected in various disorders including cerebral ischemia, Alzheimer's and Parkinson's (AD and PD) worldwide. Cerebral stroke is an extremely fatal and one of the least comprehensible neurological disorders due to limited availability of prospective clinical approaches and therapeutics. Since, some endogenous peptides like thyrotropin-releasing hormone have shown substantial neuroprotective potential, hence present study evaluates the newer thyrotropin-releasing hormone (TRH) analogue L-pGlu-(1-benzyl)-l-His-l-Pro-NH2 for its neuroprotective effects against oxygen glucose deprivation (OGD), glutamate and H2O2 induced injury in pheochromocytoma cell lines (PC-12 cells) and in-vivo ischemic injury in mice...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27809680/in-vivo-functional-consequences-of-human-thra-variants-expressed-in-the-zebrafish
#14
Federica Marelli, Silvia Carra, Giuditta Rurale, Franco Cotelli, Luca Persani
BACKGROUND: Heterozygous mutations in the thyroid hormone receptor alpha (THRA) gene cause resistance to thyroid hormone alpha (RTHα), a disease characterized by variable manifestations reminiscent of untreated congenital hypothyroidism but a raised triiodothyronine/thyroxine ratio and normal thyrotropin levels. It was recently described that zebrafish embryos expressing a dominant negative (DN) form of thraa recapitulate the key features of RTHα, and that zebrafish and human receptors are functionally interchangeable...
December 9, 2016: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/27803384/exposure-of-pregnant-mice-to-perfluorobutanesulfonate-causes-hypothyroxinemia-and-developmental-abnormalities-in-female-offspring
#15
Xuejiao Feng, Xinyuan Cao, Shasha Zhao, Xiaoli Wang, Xu Hua, Lin Chen, Ling Chen
Perfluorobutanesulfonate (PFBS) is widely used in many industrial products. We evaluated the influence of prenatal PFBS exposure on perinatal growth and development, pubertal onset, and reproductive and thyroid endocrine system in female mice. Here, we show that when PFBS (200 and 500 mg/kg/day) was orally administered to pregnant mice (PFBS-dams) on days 1-20 of gestation; their female offspring (PFBS-offspring) exhibited decreased perinatal body weight and delayed eye opening compared with control offspring...
November 1, 2016: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/27800436/occurrence-of-vibrio-parahaemolyticus-vibrio-cholerae-and-vibrio-vulnificus-in-the-clam-ruditapes-philippinarum-adams-reeve-1850-from-emilia-romagna-and-sardinia-italy
#16
Pier Luca Passalacqua, Emanuele Zavatta, Giorgia Bignami, Andrea Serraino, Patrizia Serratore
Marine vibrios, Vibrio parahaemolyticus, V. vulnificus and V. cholerae are responsible of the majority of food-borne human infections by consumption of bivalve shellfish. The aim of the present study was to ascertain the occurrence of these bacteria, and their potential pathogenicity, in the Manila clam R. philippinarum from Emilia Romagna (ER) and Sardinia (SR) regions, Italy. Isolation was performed on CHROMagar(TM) vibrio with subculture on (thiosulfate-citrate-bile salts-sucrose) Agar and m-modified-cellobiose-polymyxin b-colistin (-CPC) Agar...
January 18, 2016: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/27794274/thyroid-endocrine-disruption-in-male-zebrafish-following-exposure-to-binary-mixture-of-bisphenol-af-and-sulfamethoxazole
#17
Bareum Kwon, Younglim Kho, Pan-Gyi Kim, Kyunghee Ji
Thyroid endocrine disruption by bisphenol AF (BPAF) alone or in combination with sulfamethoxazole (SMX) exposure was evaluated in adult male zebrafish. Changes in thyroid gene transcription were examined using microarrays and were linked to effects on thyroxine hormone production and transcription of genes related to the hypothalamic-pituitary-thyroid axis. BPAF alone or in combination with SMX affected genes related to thyroid hormone production and receptor activity, thyroid gland development, and deiodinase activity...
December 2016: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/27777360/trends-in-antihypertensive-medication-use-among-us-patients-with-resistant-hypertension-2008-to-2014
#18
Andrew Y Hwang, Chintan Dave, Steven M Smith
Little is known of US trends in antihypertensive drug use for patients with treatment-resistant hypertension (TRH). We analyzed antihypertensive use among patients with TRH (treated with ≥4 antihypertensive drugs concurrently) from July 2008 through December 2014 using Marketscan administrative data. We included adults aged 18 to 65 years, with ≥6 months of continuous enrollment, a hypertension diagnosis, and ≥1 episode of overlapping use of ≥4 antihypertensive drugs; patients with heart failure were excluded...
December 2016: Hypertension
https://www.readbyqxmd.com/read/27765129/-active-etiological-surveillance-for-foodborne-diseases-in-guangdong-province-2013-2014
#19
B X Ke, D M He, H L Tan, H H Zeng, T Yang, B S Li, Y H Liang, L L Lu, J H Liang, Q Huang, C W Ke
Objective: To study the infection status, serotypes, drug resistance and molecular characteristics of Salmonella, Shigella, Vibrio parahemolyticus, enterotoxigenic Escherichia (E.) coli (ETEC), pathogenic E. coli (EPEC), Shiga Toxin producing E. coli (STEC) and Enteroinvasive E. coli (EIEC) collected from diarrhea patients in Guangdong. Methods: The strains of Salmonella, Shigella, V. parahemolyticus and 4 kinds of E. coli isolated from foodborne diseases surveillance during 2013-2014 were collected to conduct serotyping, drug resistance test and pulsed-field gel electrophoresis (PFGE)...
October 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/27762734/a-japanese-family-with-central-hypothyroidism-caused-by-a-novel-igsf1-mutation
#20
Satsuki Nishigaki, Takashi Hamazaki, Keinosuke Fujita, Shuntaro Morikawa, Toshihiro Tajima, Haruo Shintaku
BACKGROUND: Hemizygous mutations in the immunoglobulin superfamily member 1 (IGSF1) gene have been demonstrated to cause congenital central hypothyroidism in males. This study reports a family with a novel mutation in the IGSF1 gene located on the long arm of the X chromosome. PATIENT FINDINGS: A two-month-old boy was diagnosed with central hypothyroidism because of prolonged jaundice. A thyrotropin-releasing hormone (TRH) stimulation test indicated dysfunction in both the hypothalamus and the pituitary gland, and prompted the IGSF1 gene to be analyzed...
December 2016: Thyroid: Official Journal of the American Thyroid Association
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