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https://www.readbyqxmd.com/read/28430903/co-storage-of-enteroendocrine-hormones-evaluated-at-the-cell-and-subcellular-levels-in-male-mice
#1
Linda J Fothergill, Brid Callaghan, Billie Hunne, David M Bravo, John B Furness
Recent studies reveal complex patterns of hormone co-expression within enteroendocrine cells (EEC), contrary to the traditional view that gut hormones are expressed individually in EEC. Moreover, different hormones have been found in separate subcellular vesicles. However, detailed analysis of relative expression of multiple hormones has not been made. Subcellular studies have been confined to peptide hormones, and have not included the indolamine, 5-HT, or the neuroendocrine protein, chromogranin A (CgA). In the present work, co-expression of 5-HT, CgA, secretin, CCK, ghrelin, and GLP-1 in mouse duodenum was quantified at a cellular and subcellular level by semi-automated cell counting and quantitative vesicle measurements...
April 18, 2017: Endocrinology
https://www.readbyqxmd.com/read/28412986/effects-of-subacute-ingestion-of-chlorogenic-acids-on-sleep-architecture-and-energy-metabolism-through-activity-of-the-autonomic-nervous-system-a-randomised-placebo-controlled-double-blinded-cross-over-trial
#2
Insung Park, Ryuji Ochiai, Hitomi Ogata, Momoko Kayaba, Sayaka Hari, Masanobu Hibi, Yoshihisa Katsuragi, Makoto Satoh, Kumpei Tokuyama
Chlorogenic acids (CGA) are the most abundant polyphenols in coffee. Continuous consumption of CGA reduces body fat and body weight. Since energy metabolism and sleep are controlled by common regulatory factors, consumption of CGA might modulate sleep. Lack of sleep has been identified as a risk factor for obesity, hypertension and type 2 diabetes. The aim of this study was to determine the effects of ingesting CGA over 5 d on energy metabolism and sleep quality in humans. A total of nine healthy subjects (four male and five female) completed a placebo-controlled, double-blinded, cross-over intervention study...
April 17, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28407199/comprehensive-geriatric-assessment-for-prevention-of-delirium-after-hip-fracture-a-systematic-review-of-randomized-controlled-trials
#3
Lynn Shields, Victoria Henderson, Robert Caslake
OBJECTIVES: To assess the efficacy of comprehensive geriatric assessment (CGA) in prevention of delirium after hip fracture. DESIGN: Systematic review and metaanalysis. SETTING: Ward based models on geriatrics wards and visiting team based models on orthopaedics wards were included. PARTICIPANTS: Four trials (three European, one U.S.; 973 participants) were identified. Two assessed ward-based, and two assessed team-based interventions...
April 13, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28406540/salivary-chromogranin-a-levels-correlate-with-disease-severity-but-do-not-reflect-anxiety-or-personality-of-adult-patients-with-atopic-dermatitis
#4
Sakae Kaneko, Lijuan Liu, Takeyasu Kakamu, Masako Minami-Hori, Eishin Morita
Stress-induced scratching is an issue in patients with adult atopic dermatitis (AD). Although itching and stress are believed to be intimately related, no objective index is available; therefore, most evaluations are subjective. Using saliva, which is easily collected, we investigated the degree to which AD severity and patient stress levels are reflected in stress proteins in the saliva. Here, we evaluated the severity (Scoring Atopic Dermatitis [SCORAD] score), stress (State-Trait Anxiety Index [STAI] score), personality (Tokyo University Egogram [TEG] II score) and quality of life (Dermatology Life Quality Index [DLQI] score) of 51 patients with AD who were examined in the Department of Dermatology of Shimane University between April and December 2015...
April 13, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28391515/the-potential-effects-of-chlorogenic-acid-the-main-phenolic-components-in-coffee-on-health-a-comprehensive-review-of-the-literature
#5
REVIEW
Narges Tajik, Mahboubeh Tajik, Isabelle Mack, Paul Enck
Chlorogenic acid (CGA), an important biologically active dietary polyphenol, is produced by certain plant species and is a major component of coffee. Reduction in the risk of a variety of diseases following CGA consumption has been mentioned in recent basic and clinical research studies. This systematic review discusses in vivo animal and human studies of the physiological and biochemical effects of chlorogenic acids (CGAs) on biomarkers of chronic disease. We searched PubMed, Embase, Amed and Scopus using the following search terms: ("chlorogenic acid" OR "green coffee bean extract") AND (human OR animal) (last performed on April 1st, 2015) for relevant literature on the in vivo effects of CGAs in animal and human models, including clinical trials on cardiovascular, metabolic, cancerogenic, neurological and other functions...
April 8, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28381288/maternal-urinary-phthalates-and-sex-specific-placental-mrna-levels-in-an-urban-birth-cohort
#6
Jennifer J Adibi, Jessie P Buckley, Myoung Keun Lee, Paige L Williams, Allan C Just, Yaqi Zhao, Hari K Bhat, Robin M Whyatt
BACKGROUND: Prenatal urinary concentrations of phthalates in women participants in an urban birth cohort were associated with outcomes in their children related to neurodevelopment, autoimmune disease risk, and fat mass at 3,5,7, and 8 years of life. Placental biomarkers and outcomes at birth may offer biologic insight into these associations. This is the first study to address these associations with candidate genes from the phthalate and placenta literature, accounting for sex differences, and using absolute quantitation methods for mRNA levels...
April 5, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28375946/antisecretory-effects-of-chimeric-somatostatin-dopamine-receptor-ligands-on-gastroenteropancreatic-neuroendocrine-tumors
#7
Anne Couvelard, Didier Pélaprat, Safi Dokmak, Alain Sauvanet, Thierry Voisin, Alain Couvineau, Philippe Ruszniewski
OBJECTIVES: The recent finding that gastroenteropancreatic neuroendocrine tumors expressed the dopaminergic D2 receptor in addition to somatostatin (sst) receptors suggested that multiple targeting approaches might decrease hormone hypersecretion more effectively than sst agonists alone. METHODS: To test this hypothesis, (i) we measured the expression of sst receptor type 2 (sst2 receptor) and D2 receptor in 11 gastroenteropancreatic neuroendocrine tumors and (ii) we compared the ability of lanreotide, cabergoline, their combination, and sst/D2 chimeric ligands to decrease chromogranin A (CgA), gastrin, or serotonin release in primary cultures derived from these tumors...
May 2017: Pancreas
https://www.readbyqxmd.com/read/28372251/chlorogenic-acid-anthocyanin-and-flavan-3-ol-biosynthesis-in-flesh-and-skin-of-andean-potato-tubers-solanum-tuberosum-subsp-andigena
#8
Matías Ariel Valiñas, María Luciana Lanteri, Arjen Ten Have, Adriana Balbina Andreu
Natural variation of Andean potato was used to study the biosynthesis of phenolic compounds. Levels of phenolic compounds and corresponding structural gene transcripts were examined in flesh and skin of tubers. Phenolic acids, mainly chlorogenic acid (CGA), represent the major compounds, followed by anthocyanins and flavan-3-ols. High-anthocyanin varieties have high levels of CGA. Both metabolite and transcript levels were higher in skin than in flesh and showed a good correspondence. Two hydroxycinnamoyl-CoA transferases (HCT/HQT) have been involved in CGA production, of which HCT reflects CGA levels...
August 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28346031/chromogranin-a-cell-density-in-the-large-intestine-of-asian-and-european-patients-with-irritable-bowel-syndrome
#9
Magdy El-Salhy, Tanisa Patcharatrakul, Jan Gunnar Hatlebakk, Trygve Hausken, Odd Helge Gilja, Sutep Gonlachanvit
OBJECTIVE: Patients with irritable bowel syndrome (IBS) in Asia show distinctive differences from those in the western world. The gastrointestinal endocrine cells appear to play an important role in the pathophysiology of IBS. The present study aimed at studying the density of chromogranin A (CgA) cells in the large intestine of Thai and Norwegian IBS patients. METHODS: Thirty Thai IBS patients and 20 control subjects, and 47 Norwegian IBS patients and 20 control subjects were included...
June 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28340600/an-evaluation-of-the-comparative-effectiveness-of-geriatrician-led-comprehensive-geriatric-assessment-for-improving-patient-and-healthcare-system-outcomes-for-older-adults-a-protocol-for-a-systematic-review-and-network-meta-analysis
#10
Charlene Soobiah, Caitlin Daly, Erik Blondal, Joycelyne Ewusie, Joanne Ho, Meghan J Elliott, Rossini Yue, Jayna Holroyd-Leduc, Barbara Liu, Sharon Marr, Jenny Basran, Andrea C Tricco, Jemila Hamid, Sharon E Straus
BACKGROUND: Comprehensive geriatric assessment (CGA) is an integrated model of care involving a geriatrician and an interdisciplinary team and can prioritize and manage complex health needs of older adults with multimorbidity. CGAs differ across healthcare settings, ranging from shared care conducted in primary care settings to specialized inpatient units in acute care. Models of care involving geriatricians vary across healthcare settings, and it is unclear which CGA model is most effective...
March 24, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28340142/multigene-signature-for-predicting-prognosis-of-patients-with-1p19q-co-deletion-diffuse-glioma
#11
Xin Hu, Emmanuel Martinez-Ledesma, Siyuan Zheng, Hoon Kim, Floris Barthel, Tao Jiang, Kenneth R Hess, Roel G W Verhaak
Background.: Co-deletion of 1p and 19q marks a diffuse glioma subtype associated with relatively favorable overall survival; however, heterogeneous clinical outcomes are observed within this category. Methods.: We assembled gene expression profiles and sample annotation of 374 glioma patients carrying the 1p/19q co-deletion. We predicted 1p/19q status using gene expression when annotation was missing. A first cohort was randomly split into training (n = 170) and a validation dataset (n = 163)...
March 8, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28338866/the-growing-challenge-of-major-trauma-in-older-people-a-role-for-comprehensive-geriatric-assessment
#12
James Michael Fisher, Charlotte Bates, Jay Banerjee
In this commentary article, we describe the impact that an ageing population is having on the nature of major trauma seen in emergency departments. The proportion of major trauma victims who are older people is rapidly increasing and a fall from standing is now the most common mechanism of injury in major trauma. Potential barriers to effective care of this patient group are highlighted, including: a lack of consensus regarding triage criteria; potentially misleading physiological parameters within triage criteria; non-linear patient presentations and diagnostic nihilism...
March 10, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28338171/-advances-of-circulating-biomarkers-in-gastroenteropancreatic-neuroendocrine-neoplasms
#13
Luohai Chen, Minhu Chen, Jie Chen
Gastroenteropancreatic neuroendocrine neoplam (GEP-NEN) is a rare group of tumors with its incidence rising significantly in recent decades. Because of the late presentation of the disease and limitations in conventional biomarkers, about 50% of GEP-NEN patients manifests advanced disease when diagnosed. Therefore, it is vital to identify circulating biomarkers which can not only be used for early diagnosis but also accurately evaluating the biological behavior of GEP-NEN. This review summarizes the advances of circulating biomarkers in diagnosing and evaluating efficacy of treatment in GEP-NEN...
March 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28329910/nucleosome-mobility-and-the-regulation-of-gene-expression-insights-from-single-molecule-studies
#14
REVIEW
Sergei Rudnizky, Omri Malik, Adaiah Bavly, Lilach Pnueli, Philippa Melamed, Ariel Kaplan
Nucleosomes at the promoters of genes regulate the accessibility of the transcription machinery to DNA, and function as a basic layer in the complex regulation of gene expression. Our understanding of the role of the nucleosome's spontaneous, thermally driven position changes in modulating expression is lacking. This is the result of the paucity of experimental data on these dynamics, at high-resolution, and for DNA sequences that belong to real, transcribed genes. We have developed an assay that uses partial, reversible unzipping of nucleosomes with optical tweezers to repeatedly probe a nucleosome's position over time...
March 22, 2017: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/28327973/modeling-individual-and-relative-accuracy-of-screening-tools-in-geriatric-oncology
#15
C A Bellera, F Artaud, M Rainfray, P L Soubeyran, S Mathoulin-Pélissier
Background: Classification probabilities reflect to what degree a screening test represents the true disease state and include true positive (TPF) and false positive fractions (FPF). With two tests, one can compare TPF and FPF using relative probabilities which offer advantages in terms of interpretation and statistical modeling. Our objective was to highlight how individual and relative TPF and FPF can be easily estimated and compared within a regression modeling framework. This allows the modeling of tests' accuracy while adjusting for multiple covariates, and thus provides valuable information in addition to the crude TPF and FPF...
February 21, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28319500/clinical-response-profile-of-metastatic-advanced-pulmonary-neuroendocrine-tumors-to-peptide-receptor-radionuclide-therapy-with-177lu-dotatate
#16
Rahul V Parghane, Sanjay Talole, Kumar Prabhash, Sandip Basu
OBJECTIVES: The aims of this study were to perform multiparametric response assessment of metastatic/advanced pulmonary neuroendocrine tumors (NETs) to Lu-DOTATATE peptide receptor radionuclide therapy (PRRT) (clinical, biochemical, molecular/structural imaging, and survival assessment) and to study the relationship between response, mortality, and overall survival with dual-tracer molecular imaging parameters. METHODS: Twenty-two patients (6 women, 16 men; median age, 44 years; range, 16-72 years) of histopathologically proven pulmonary NETs with metastatic/advanced disease were included and analyzed retrospectively...
March 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28317707/comparison-of-binding-interaction-between-%C3%AE-lactoglobulin-and-three-common-polyphenols-using-multi-spectroscopy-and-modeling-methods
#17
Jingjing Jia, Xin Gao, Minghao Hao, Lin Tang
Tea, coffee and fruit in dairy products are rich in polyphenols. The interaction mechanism between β-lactoglobulin (β-LG) and chlorogenic acid (CGA), ferulic acid (FA) and epigallocatechin-3-gallate (EGCG) was investigated. Fluorescence experiments proved that polyphenols quenched β-LG fluorescence strongly in static mode and EGCG had stronger binding affinity toward β-LG than CGA and FA. The main interaction force of EGCG binding with β-LG was different from CGA and FA. Furthermore, circular dichroism and fourier transform infrared data indicated that polyphenols changed β-LG secondary structure inducing a-helix to β-structures transition...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28315508/tumor-markers-in-pancreatic-cystic-fluids-for-diagnosis-of-malignant-cysts
#18
Alexandre Levy, Theodora Popovici, Phuong-Nhi Bories
BACKGROUND AND AIM: Early diagnosis of premalignant or malignant pancreatic cysts is essential to improve prognosis. Sampling of pancreatic cyst fluid by fine-needle aspiration during endoscopic ultrasonography (EUS) enables cytopathological examination combined with biochemical analysis. This study aimed to provide an aid based on biological markers for the preoperative management of patients with pancreatic cysts. METHODS: Pancreatic fluids obtained by EUS-guided fine-needle aspiration from 115 patients with cystic lesions were assayed for amylase, lipase, carcinoembryonic antigen (CEA), CA 19-9 and CA 72-4...
March 3, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28302203/-changes-in-serum-chromogranin-a-and-urotensin-ii-levels-in-children-with-chronic-heart-failure
#19
Yao-Yao Cheng, Jin-Dou An, Song Feng, Wei Ge
OBJECTIVE: To examine the changes in serum chromogranin A (CgA) and urotensin II (U II) levels in children with chronic heart failure (CHF) and their clinical significance. METHODS: A total of 58 children with CHF, among whom 17 had endocardial fibroelastosis (EFE) and 41 had dilated cardiomyopathy (DCM), were selected as CHF group, and 20 healthy children were selected as control group. Serum levels of CgA and U II were measured using enzyme-linked immunosorbent assay, and the level of N-terminal pro-brain natriuretic peptide (NT-proBNP) was determined by bi-directional lateral flow immunoassay...
March 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28295708/seasonal-alterations-in-the-daily-rhythms-in-hypothalamic-expression-of-genes-involved-in-the-photoperiodic-transduction-and-neurosteroid-dependent-processes-in-migratory-blackheaded-buntings
#20
Ila Mishra, Devraj Singh, Vinod Kumar
This study investigated seasonal alterations in the daily rhythms of hypothalamic expression of genes involved in the photoperiodic regulation of annual cycles in birds. We measured 4-hourly mRNA expression of genes involved in the photoperiodic transduction (OPN5, EYA3, CGA, TSHβ, DIO2, DIO3) and neurosteroid-dependent processes (AR, CYP19, ERα, ERβ) in the hypothalamus of migratory blackheaded buntings photoinduced with photosensitive, photostimulated (early and late stimulated) and photorefractory seasonal states...
March 14, 2017: Journal of Neuroendocrinology
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