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https://www.readbyqxmd.com/read/29165888/molecular-pathology-and-thyroid-fna
#1
REVIEW
D N Poller, S Glaysher
This review summarises molecular pathological techniques applicable to thyroid FNA. The molecular pathology of thyroid tumours is now fairly well understood. Molecular methods may be used as a rule-in test for diagnosis of malignancy in thyroid nodules, eg BRAF V600E point mutation, use of a seven-gene mutational panel (BRAF V600E, RAS genes, RET/PTC or PAX8/PPARG rearrangement), or as a comprehensive multigene next-generation sequencing panel, eg ThyroSeq v2. Molecular methods can also be applied as rule-out tests for malignancy in thyroid nodules, eg Afirma or ThyroSeq v2 or as markers of prognosis, eg TERT promoter mutation or other gene mutations including BRAF V600E, TP53 and AKT1, and as tests for newly defined tumour entities such as non-invasive follicular thyroid neoplasm with papillary like nuclei, or as a molecular marker(s) for targeted therapies...
December 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/29155314/mesenchymal-stromal-cell-irradiation-interferes-with-the-adipogenic-osteogenic-differentiation-balance-improving-their-hematopoietic-supporting-ability
#2
Silvia Preciado, Sandra Muntión, Ana Rico, Luis A Pérez Romasanta, Teresa L Ramos, Rebeca Ortega, Javier Borrajo, Luis A Corchete, Concepción Rodríguez, María Díez-Campelo, Luis I Sánchez-Abarca, María-Consuelo Del Cañizo, Fermín Sánchez-Guijo
Bone marrow-mesenchymal stromal cells are precursors of adipocytes and osteoblasts and key regulators of hematopoiesis. Irradiation is widely used in conditioning regimens. Despite mesenchymal stromal cells are radio-resistant, the effects of low-dose irradiation on their behavior have not been extensively explored. Our aim was to evaluate the effect of 2.5 Gy on mesenchymal stromal cells. Cells from 25 healthy donors were either irradiated or not (the latter were used as controls). Cells were characterized following ISCT criteria, including in vitro differentiation assays...
November 16, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29145845/network-pharmacological-mechanisms-of-vernonia-anthelmintica-l-in-the-treatment-of-vitiligo-isorhamnetin-induction-of-melanogenesis-via-up-regulation-of-melanin-biosynthetic-genes
#3
Ji Ye Wang, Hong Chen, Yin Yin Wang, Xiao Qin Wang, Han Ying Chen, Mei Zhang, Yun Tang, Bo Zhang
BACKGROUND: Vitiligo is a long-term skin disease characterized by the loss of pigment in the skin. The current therapeutic approaches are limited. Although the anti-vitiligo mechanisms of Vernonia anthelmintica (L.) remain ambiguous, the herb has been broadly used in Uyghur hospitals to treat vitiligo. The overall objective of the present study aims to identify the potential lead compounds from Vernonia anthelmintica (L.) in the treatment of vitiligo via an oral route as well as the melanogenic mechanisms in the systematic approaches in silico of admetSAR and substructure-drug-target network-based inference (SDTNBI)...
November 16, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/29122055/extruded-linseed-alone-or-in-combination-with-fish-oil-modifies-mammary-gene-expression-profiles-in-lactating-goats
#4
Y Faulconnier, L Bernard, C Boby, J Domagalski, Y Chilliard, C Leroux
Nutrition is a major factor that regulates ruminant milk components, particularly its fatty acid (FA) composition, which is an important determinant of milk nutritional quality. In the mammary gland, milk component biosynthesis involves a large number of genes under nutritional regulation that are not well understood. Thus, the objective of the present study was to evaluate the effects of extruded linseeds (EL) alone or in combination with fish oil (ELFO) on goat mammary gene expression. In total, 14 goats were fed one of the following three diets: a natural grassland hay basal diet (CTRL) alone, CTRL supplemented with 530 g/day of EL, or 340 g/day of EL plus 39 g/day of fish oil (ELFO)...
November 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29120527/castle-tumor-of-the-parotid-first-documented-case-literature-review-and-genetic-analysis-of-the-cancer
#5
Eugene Hung Chih Wong, Nora Tetter, Alexandar Tzankov, Laurent Muller
BACKGROUND: Carcinoma showing thymus-like elements (CASTLE) is a rare tumor that normally affects the thyroid gland and was thought to arise from either the remnants of the branchial pouch or the ectopic cervical thymic tissue. These tumors show strong immunopositivity for CD5, P63, and CD117. Most CASTLE of the thyroid gland is treated with surgery with or without adjuvant radiotherapy or chemotherapy. METHOD: A 55-year-old woman presented with a slow-growing right parotid mass...
November 9, 2017: Head & Neck
https://www.readbyqxmd.com/read/29116943/the-pparg-pro12ala-polymorphism-and-20-year-cognitive-decline-race-and-sex-heterogeneity
#6
Nancy A West, Jonathan V Tingle, Jeannette Simino, Elizabeth Selvin, Jan Bressler, Thomas H Mosley
Previous reports suggest race/ethnic and sex heterogeneity in the association between the Pro12Ala polymorphism of the peroxisome proliferator-activated receptor gamma (PPARG) gene and cognitive decline. Tests of verbal memory, processing speed, and verbal fluency and a composite global Z-score were used to assess cognitive performance longitudinally in a large (n=11,620) biracial cohort of older adults in the Atherosclerosis Risk in Communities Neurocognitive Study from midlife to older age. Linear mixed models were used to estimate associations between the Ala12 allele and cognitive performance over 20 years of follow-up...
November 7, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/29108474/molecular-testing-for-oncogenic-gene-alterations-in-pediatric-thyroid-lesions
#7
Sogol Mostoufi-Moab, Emmanuel Labourier, Lisa Sullivan, Virginia A LiVolsi, Yimei Li, Rui Xiao, Sylvie Beaudenon-Huibregtse, Ken Kazahaya, N Scott Adzick, Zubair W Baloch, Andrew J Bauer
BACKGROUND: Thyroid nodules are less common in pediatric patients (≤18 years) than in adults. The Bethesda System for Reporting Thyroid Cytopathology allows for individual risk stratification, but a significant number of nodules are indeterminate. Incorporating gene mutation panels and gene expression classifiers may aid in pre-operative diagnosis. The overall aim of this study was to assess the prevalence of oncogene alterations in a representative pediatric population and across a broad-spectrum of thyroid tumor diagnoses...
November 6, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29089286/an-investigation-of-the-single-and-combined-phthalate-metabolite-effects-on-human-chorionic-gonadotropin-expression-in-placental-cells
#8
Jennifer J Adibi, Yaqi Zhao, Lei V Zhan, Mirhan Kapidzic, Nicholas Larocque, Hannu Koistinen, Ilpo T Huhtaniemi, Ulf-Håkan Stenman
BACKGROUND: Observational studies have reported associations between maternal phthalate levels and adverse outcomes at birth and in the health of the child. Effects on placental function have been suggested as a biologic basis for these findings. OBJECTIVE: We evaluated the effects of phthalates on placental function in vitro by measuring relevant candidate genes and proteins. MATERIALS AND METHODS: Human trophoblast progenitor cells were isolated at 7-14 wk of pregnancy (two female and three male concepti), and villous cytotrophoblast cells (vCTBs) were isolated at 15-20 wk (three female and four male concepti)...
October 31, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/29076225/association-of-genetic-variants-and-expression-levels-of-porcine-fabp4-and-fabp5-genes
#9
M Ballester, A Puig-Oliveras, A Castelló, M Revilla, A I Fernández, J M Folch
The FABP4 and FABP5 genes, coding for fatty acid transport proteins, have long been studied as positional candidate genes for SSC4 QTL affecting fat deposition and composition traits in pigs. Polymorphisms in these genes, FABP4:g.2634_2635insC and FABP5:g.3000T>G, have previously been associated with fatness traits in an Iberian by Landrace cross (IBMAP). The aim of the present work was to evaluate the functional implication of these genetic variants. For this purpose, FABP4 and FABP5 mRNA expression levels in 114 BC1_LD animals (25% Iberian × 75% Landrace) were analyzed using real-time quantitative PCR in backfat and muscle...
October 27, 2017: Animal Genetics
https://www.readbyqxmd.com/read/29067487/epigenetic-modifications-of-the-zfp-znf423-gene-control-murine-adipogenic-commitment-and-are-dysregulated-in-human-hypertrophic-obesity
#10
Michele Longo, Gregory A Raciti, Federica Zatterale, Luca Parrillo, Antonella Desiderio, Rosa Spinelli, Ann Hammarstedt, Shahram Hedjazifar, Jenny M Hoffmann, Cecilia Nigro, Paola Mirra, Francesca Fiory, Pietro Formisano, Claudia Miele, Ulf Smith, Francesco Beguinot
AIMS/HYPOTHESIS: Subcutaneous adipocyte hypertrophy is associated with insulin resistance and increased risk of type 2 diabetes, and predicts its future development independent of obesity. In humans, subcutaneous adipose tissue hypertrophy is a consequence of impaired adipocyte precursor cell recruitment into the adipogenic pathway rather than a lack of precursor cells. The zinc finger transcription factor known as zinc finger protein (ZFP) 423 has been identified as a major determinant of pre-adipocyte commitment and maintained white adipose cell function...
October 24, 2017: Diabetologia
https://www.readbyqxmd.com/read/29061543/peroxisome-proliferator-activated-receptor-gamma-in-human-placenta-may-mediate-the-adverse-effects-of-phthalates-exposure-in-pregnancy
#11
Yujing Huang, Jose M Garcia, Weiqun Shu, Honghui Rong, Lin Zhang, Yanzhou Wang, Yao Tan, Hui Lin, Hui Zeng, Ji-An Chen
Peroxisome-proliferator activated receptor gamma (PPARG) in placenta play an important role in pregnancy. Our previous study showed that it mediated the effects of phthalates on placental mRNA expression of estrogen synthetases in rats. To assess the effects of phthalate exposure on PPARG placental expression, and the contribution of PPARG to the effects of phthalates in human. 207 healthy pregnant women were recruited and their cord blood and placenta were collected upon delivery. Three phthalates, estrogens in cord blood and protein expression of PPARG in placenta were measured...
October 20, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/29035365/omega-3-fatty-acid-epoxides-are-autocrine-mediators-that-control-the-magnitude-of-ige-mediated-mast-cell-activation
#12
Yuta Shimanaka, Nozomu Kono, Yoshitaka Taketomi, Makoto Arita, Yoshimichi Okayama, Yuki Tanaka, Yasumasa Nishito, Tatsuki Mochizuki, Hiroyuki Kusuhara, Alexander Adibekian, Benjamin F Cravatt, Makoto Murakami, Hiroyuki Arai
Critical to the function of mast cells in immune responses including allergy is their production of lipid mediators, among which only omega-6 (ω-6) arachidonate-derived eicosanoids have been well characterized. Here, by employing comprehensive lipidomics, we identify omega-3 (ω-3) fatty acid epoxides as new mast cell-derived lipid mediators and show that they are produced by PAF-AH2, an oxidized-phospholipid-selective phospholipase A2. Genetic or pharmacological deletion of PAF-AH2 reduced the steady-state production of ω-3 epoxides, leading to attenuated mast cell activation and anaphylaxis following FcɛRI cross-linking...
November 2017: Nature Medicine
https://www.readbyqxmd.com/read/29030616/maternal-consumption-of-fish-oil-programs-reduced-adiposity-in-broiler-chicks
#13
Ronique C Beckford, Sarah J Howard, Suchita Das, Abigail T Farmer, Shawn R Campagna, Jiali Yu, Robert L Hettich, Jeanna L Wilson, Brynn H Voy
Maternal intake of eicosapentaenoic acid (EPA; 20:5 n-3) and docosahexaenoic acid (22:6 n-3) has been associated with reduced adiposity in children, suggesting the possibility to program adipose development through dietary fatty acids before birth. This study determined if enriching the maternal diet in fish oil, the primary source of EPA and DHA, affected adipose development in offspring. Broiler chickens were used because they are obesity-prone, and because fatty acids provided to the embryo can be manipulated through the hen diet...
October 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29026539/the-regulation-of-imf-deposition-in-pectoralis-major-of-fast-and-slow-growing-chickens-at-hatching
#14
Lu Liu, Huanxian Cui, Ruiqi Fu, Maiqing Zheng, Ranran Liu, Guiping Zhao, Jie Wen
BACKGROUND: The lipid from egg yolk is largely consumed in supplying the energy for embryonic growth until hatching. The remaining lipid in the yolk sac is transported into the hatchling's tissues. The gene expression profiles of fast- and slow-growing chickens, Arbor Acres (AA) and Beijing-You (BJY), were determined to identify global differentially expressed genes and enriched pathways related to lipid metabolism in the pectoralis major at hatching. RESULTS: Between these two breeds, the absolute and weight-specific amounts of total yolk energy (TYE) and intramuscular fat (IMF) content in pectoralis major of fast-growing chickens were significantly higher (P < 0...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29024128/foetal-development-of-skeletal-muscle-in-bovines-as-a-function-of-maternal-nutrition-foetal-sex-and-gestational-age
#15
T R S Gionbelli, C M Veloso, P P Rotta, S C Valadares Filho, B C Carvalho, M I Marcondes, C S Cunha, M A S Novaes, L D Prezotto, M S Duarte, M P Gionbelli
To determine the effects of maternal nutrition on modifications of foetal development of the skeletal muscle and possible increase in the potential of skeletal muscle growth in cattle, gestating cows were either fed 190% NRC recommendations (overnourished; ON) or 100% NRC recommendation (control; CO). Interaction between maternal nutrition (MN) and the foetal sex (FS) was also investigated. Foetuses were necropsied at four different time points throughout gestation (139, 199, 241 and 268 days of gestation) to assess the mRNA expression of myogenic, adipogenic and fibrogenic markers in skeletal muscle...
October 10, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29022978/freeze-dried-strawberry-and-blueberry-attenuates-diet-induced-obesity-and-insulin-resistance-in-rats-by-inhibiting-adipogenesis-and-lipogenesis
#16
Paula Aranaz, Ana Romo-Hualde, María Zabala, David Navarro-Herrera, Marina Ruiz de Galarreta, Ana Gloria Gil, J Alfredo Martinez, Fermín I Milagro, Carlos J González-Navarro
Obesity and type 2-diabetes are becoming a worldwide health problem, reiterating the importance of alternative therapies to tackle their progression. Here, we hypothesized that supplementation of diet with 6% w/w of a freeze-dried strawberry-blueberry (5 : 1) powder (FDSB) could exert beneficial metabolic effects on Wistar rats. FDSB-supplemented animals experienced significantly reduced body weight gain, food efficiency and visceral adiposity accumulation in two independent experiments. FDSB supplementation also contributed to lower area under the curve after an intraperitoneal GTT and reduced serum insulin levels and an insulin resistance index (IR-HOMA) in HFS diet-fed animals, together with reduced plasma MCP-1 inflammation marker concentrations...
October 12, 2017: Food & Function
https://www.readbyqxmd.com/read/29019657/trans-10-cis-12-conjugated-linoleic-acid-affects-expression-of-lipogenic-genes-in-mammary-glands-of-lactating-dairy-goats
#17
Huaiping Shi, Tianying Zhang, Cong Li, Jianjue Wang, Jiangtao Huang, Zhongyang Li
The molecular mechanisms on milk fat depression (MFD) in response to trans-10,cis-12-conjugated linoleic acid (t10,c12-CLA) supplementation in ruminants were elucidated in this research with dairy goats. A total of 30 2-year-old Xinong Saanen dairy goats [40 ± 5 days in milk (DIM)] at peak lactation stage were assigned to a 3 × 3 Latin square design (14 day treatment period, followed with 14 day washout). Three CLA treatments included (a) control, fed the basal diet only without CLA supplementation; (b) orally supplemented with 8 g/day of lipid-encapsulated CLA (low dose, CLA-1); and (c) orally supplemented with 16 g/day of lipid-encapsulated CLA (high dose, CLA-2)...
October 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29018142/adiponectin-has-a-pivotal-role-in-the-cardioprotective-effect-of-cp-3-iv-a-selective-cd36-azapeptide-ligand-after-transient-coronary-artery-occlusion-in-mice
#18
David N Huynh, Valérie L Bessi, Liliane Ménard, Jérôme Piquereau, Caroline Proulx, Maria Febbraio, William D Lubell, André C Carpentier, Yan Burelle, Huy Ong, Sylvie Marleau
CD36 is a multiligand receptor involved in lipid metabolism. We investigated the mechanisms underlying the cardioprotective effect of CP-3(iv), an azapeptide belonging to a new class of selective CD36 ligands. The role of CP-3(iv) in mediating cardioprotection was investigated because CD36 signaling leads to activation of peroxisome proliferator-activated receptor-γ, a transcriptional regulator of adiponectin. CP-3(iv) pretreatment reduced infarct size by 54% and preserved hemodynamics in C57BL/6 mice subjected to 30 min coronary ligation and reperfusion but had no effect in CD36-deficient mice...
October 10, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28986436/normal-human-adipose-tissue-functions-and-differentiation-in-patients-with-biallelic-lpin1-inactivating-mutations
#19
Michele Pelosi, Eric Testet, Soazig Le Lay, Isabelle Dugail, Xiaoyun Tang, Guillaume Mabilleau, Yamina Hamel, Marine Madrange, Thomas Blanc, Thierry Odent, Todd P W McMullen, Marco Alfò, David N Brindley, Pascale de Lonlay
Lipin-1 is a Mg2+-dependent phosphatidic acid phosphatase (PAP) that in mice is necessary for normal glycerolipid biosynthesis, controlling adipocytes metabolism and adipogenic differentiation. Mice carrying inactivating mutations in the Lpin1 gene display the characteristic features of human familial lipodystrophy. Very little is known on the roles of lipin-1 in human adipocyte physiology. Apparently fat distribution and weight is normal in humans carrying LPIN1 inactivating mutations, but a detailed analysis of adipose tissue appearance and functions in these patients has not been available so far...
October 6, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28977921/docking-of-cdk1-with-antibiotic-drugs-revealed-novel-therapeutic-value-in-breast-ductal-cancer-in-situ
#20
Zhong-Hai Ding, Jia Qi, An-Quan Shang, Yu-Jie Zhang, Jun Wei, Li-Qing Hu, Wei-Wei Wang, Man Yang
The aim of our research is to identify potential genes associated with Ductal carcinoma in situ (DCIS) through microarrays. The microarray dataset GS54665 were downloaded from the GEO(Gene Expression Omnibus) database. Dysregulated genes were screened and their associations with DCIS was analyzed by comprehensive bioinformatics tools. A total of 649 differential expression genes were identified between normal and DCIS samples, including 224 up-regulated genes and 425 down-regulated genes. Biological process annotation and pathway enrichment analysis identified several DCIS-related signaling pathways...
September 22, 2017: Oncotarget
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