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https://www.readbyqxmd.com/read/27922673/effects-of-mir-145-on-the-inhibition-of-chondrocyte-proliferation-and-fibrosis-by-targeting-tnfrsf11b-in-human-osteoarthritis
#1
Guo-Dong Wang, Xiao-Wei Zhao, Yu-Ge Zhang, Ying Kong, Shuai-Shuai Niu, Long-Fei Ma, Yuan-Min Zhang
Osteoarthritis (OA) is a common cause of functional deterioration in older adults, and altered chondrogenesis is the most common pathophysiological process involved in the development of OA. MicroRNA‑145 (miR‑145) has been shown to regulate chondrocyte homeostasis. However, the function of miR‑145 in OA remains to be elucidated. In the present study, the expression levels of miR‑145 were examined in cartilage specimens from 25 patients with knee OA using reverse transcription‑quantitative polymerase chain reaction analysis...
December 5, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27922247/a-pediatric-case-of-fascioliasis-with-eosinophilic-pneumonia
#2
Gülsüm İclal Bayhan, Abdulsamet Batur, Ayşegül Taylan-Özkan, Kaan Demirören, Yunus Emre Beyhan
Fasciolia spp. are common trematode infestations worldwide. Fasciolia spp. may lead to hepatic diseases in the acute phase and may cause biliary diseases in the chronic phase. In addition, Fasciolia spp. may rarely cause extrahepatic signs and symptoms. The clinical manifestations of fascioliasis are divided into three groups: typical, atypical, and ectopic. Eosinophilic pneumonia is an atypical presentation of acute fascioliasis and it has been reported very rarely. Herein, we report a boy with marked blood eosinophilia and eosinophilic pneumonia who was diagnosed with fascioliasis by serologic tests and abdominal USG...
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27920849/subcapsular-hepatic-endometriosis-case-report-and-review-of-the-literature
#3
Ahmed Monier Sherif, Eman Rashid Musa, Rajendra Kedar, Liying Fu
Hepatic endometriosis is a very rare medical condition characterized by the implantation of ectopic endometrial tissue within the hepatic parenchyma. Preoperative diagnosis is difficult via cross-sectional imaging and histopathologic evaluation remains the gold standard for diagnosis. We report a case of hepatic endometrioma in a 44-year-old woman with history of endometriosis. The literature is reviewed, and magnetic resonance imaging findings together with differential diagnosis of hepatic endometriosis are highlighted...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27920694/pancreatic-and-hepatic-metastasis-of-an-undiagnosed-choriocarcinoma-an-exceptional-cause-of-haemoperitoneum-in-young-women-report-of-a-rare-case
#4
Nishat Fatema, Neeru Vinod Arora, Fatma Majid Al Abri, Yaseer Muhammad Tareq Khan
Haemoperitoneum in women of reproductive age usually suggests either ruptured ectopic pregnancy or ruptured ovarian cysts. Metastatic choriocarcinoma is considered the least common cause of haemoperitoneum in women of childbearing age. We report a rare case of pancreatic and hepatic metastasis of choriocarcinoma in a young, 30-year-old female who had delivered 10 months prior at term gestation with no previous history of gestational trophoblastic disease or molar pregnancy. She had a short history of fever and pain in the right hypochondrium, with findings of hypovolaemic shock due to intraperitoneal haemorrhage...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27920216/mozart1-and-%C3%AE-tubulin-complex-receptors-are-both-required-to-turn-%C3%AE-tusc-into-an-active-microtubule-nucleation-template
#5
Tien-Chen Lin, Annett Neuner, Dirk Flemming, Peng Liu, Takumi Chinen, Ursula Jäkle, Robert Arkowitz, Elmar Schiebel
MOZART1/Mzt1 is required for the localization of γ-tubulin complexes to microtubule (MT)-organizing centers from yeast to human cells. Nevertheless, the molecular function of MOZART1/Mzt1 is largely unknown. Taking advantage of the minimal MT nucleation system of Candida albicans, we reconstituted the interactions of Mzt1, γ-tubulin small complex (γ-TuSC), and γ-tubulin complex receptors (γ-TuCRs) Spc72 and Spc110 in vitro. With affinity measurements, domain deletion, and swapping, we show that Spc110 and Mzt1 bind to distinct regions of the γ-TuSC...
December 5, 2016: Journal of Cell Biology
https://www.readbyqxmd.com/read/27920150/heterotrimeric-kinesin-2-together-with-kinesin-1-steers-vesicular-acetylcholinesterase-movements-toward-the-synapse
#6
Anuttama Kulkarni, Yasmin Khan, Krishanu Ray
Acetylcholinesterase (AChE), which is implicated in the pathophysiology of neurological disorders, is distributed along the axon and enriched at the presynaptic basal lamina. It hydrolyses the neurotransmitter acetylcholine, which inhibits synaptic transmission. Aberrant AChE activity and ectopic axonal accumulation of the enzyme are associated with neurodegenerative disorders, such as Alzheimer's disease. The molecular mechanism that underlies AChE transport is still unclear. Here, we show that expression of Drosophila AChE tagged with photoactivable green fluorescent protein and m-Cherry (GPAC) in cholinergic neurons compensates for the RNA interference-mediated knockdown of endogenous AChE activity...
December 5, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27920088/suv4-20-activity-in-the-preimplantation-mouse-embryo-controls-timely-replication
#7
André Eid, Diego Rodriguez-Terrones, Adam Burton, Maria-Elena Torres-Padilla
Extensive chromatin remodeling after fertilization is thought to take place to allow a new developmental program to start. This includes dynamic changes in histone methylation and, in particular, the remodeling of constitutive heterochromatic marks such as histone H4 Lys20 trimethylation (H4K20me3). While the essential function of H4K20me1 in preimplantation mouse embryos is well established, the role of the additional H4K20 methylation states through the action of the SUV4-20 methyltransferases has not been addressed...
December 5, 2016: Genes & Development
https://www.readbyqxmd.com/read/27919941/ectopic-myoglobin-expression-is-associated-with-a-favourable-outcome-in-head-and-neck-squamous-cell-carcinoma-patients
#8
Sebastian Meller, Anne VAN Ellen, Heidrun Gevensleben, Anne Bicker, Thomas Hankeln, Thomas A Gorr, Verena Sailer, Freya Dröge, Friederike Schröck, Friedrich Bootz, Andreas Schröck, Sven Perner, Dimo Dietrich, Glen Kristiansen
BACKGROUND/AIM: Ectopic myoglobin (MB) expression, mediated by alternative and hypoxia-inducible transcription, has recently been demonstrated in several epithelial tumours. This study aimed to examine the expression of MB in hormone-independent head and neck squamous cell carcinomas (HNSCCs). PATIENTS AND METHODS: Using imunohistochemistry, ectopic MB expression was analyzed on tissue microarrays (TMAs) of 524 patients with localized and locally advanced primary and recurrent HNSCC who had undergone surgical treatment with curative intent...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919788/ectopic-overexpression-of-filamin-c-scaffolds-mek1-2-and-erk1-2-to-promote-the-progression-of-human-hepatocellular-carcinoma
#9
Baicai Yang, Yun Liu, Jie Zhao, Kaiwen Hei, Hao Zhuang, Qiang Li, Wen Wei, Ruibing Chen, Ning Zhang, Yongmei Li
Hepatocellular carcinoma (HCC) invasion and metastasis are mediated by a complicated signal transduction network and downstream cytoskeletal and adhesion molecules. In this study, a microarray-based analysis revealed a dramatic increase in filamin C (FLNC), which is commonly expressed in muscle rather than in liver cells, in the two metastatic HCC cell lines MHCC97L and HCCLM3. Clinicopathological studies showed that increased FLNC expression was associated with microvascular invasion and poor prognosis. Specific hypomethylation was identified within the FLNC promoter region in HCC cell lines and patient tumor samples, which might contribute to the ectopic overexpression of FLNC...
December 2, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27919317/drosophila-neprilysins-control-insulin-signaling-and-food-intake-via-cleavage-of-regulatory-peptides
#10
Benjamin Hallier, Ronja Schiemann, Eva Cordes, Jessica Vitos-Faleato, Stefan Walter, Jürgen J Heinisch, Anders Malmendal, Achim Paululat, Heiko Meyer
Insulin and IGF signaling are critical to numerous developmental and physiological processes, with perturbations being pathognomonic of various diseases, including diabetes. Although the functional roles of the respective signaling pathways have been extensively studied, the control of insulin production and release is only partially understood. Herein, we show that in Drosophila expression of insulin-like peptides is regulated by neprilysin activity. Concomitant phenotypes of altered neprilysin expression included impaired food intake, reduced body size, and characteristic changes in the metabolite composition...
December 6, 2016: ELife
https://www.readbyqxmd.com/read/27919009/successful-percutaneous-ct-guided-microwave-ablation-of-adrenal-gland-for-ectopic-cushing-syndrome
#11
Rebecca Zener, Andrew Zaleski, Stan H Van Uum, Daryl K Gray, Amol Mujoomdar
Adrenocorticotropic hormone production by pancreatic neuroendocrine tumor (PNET) is rare and results in hyperstimulation of the adrenal gland to produce ectopic Cushing syndrome. Our case showcases the safety and effectiveness of percutaneous CT-guided microwave ablation of the adrenal gland in a 49-year-old female with PNET and hepatic metastases who presented with ectopic Cushing syndrome despite surgical resection of the primary pancreatic tumor and left adrenal gland. Prior to ablation, the right adrenal gland measured 4...
November 29, 2016: Clinical Imaging
https://www.readbyqxmd.com/read/27918592/microrna-497-induces-apoptosis-and-suppresses-proliferation-via-the-bcl-2-bax-caspase9-caspase3-pathway-and-cyclin-d2-protein-in-huvecs
#12
Ridong Wu, Shi Tang, Mian Wang, Xiangdong Xu, Chen Yao, Shenming Wang
INTRODUCTION: MicroRNAs play crucial roles in various types of diseases. However, to date, no information about the role of miR-497 in the development of atherosclerosis has been reported. This study investigated the possible role of miR-497 in vascular endothelial cell injury during the early stage of atherosclerosis. MATERIALS AND METHODS: The expression level of miR-497 in human umbilical vein endothelial cells (HUVECs) exposed to ox-LDL was detected using qRT-PCR...
2016: PloS One
https://www.readbyqxmd.com/read/27918534/multiethnic-genome-wide-meta-analysis-of-ectopic-fat-depots-identifies-loci-associated-with-adipocyte-development-and-differentiation
#13
Audrey Y Chu, Xuan Deng, Virginia A Fisher, Alexander Drong, Yang Zhang, Mary F Feitosa, Ching-Ti Liu, Olivia Weeks, Audrey C Choh, Qing Duan, Thomas D Dyer, John D Eicher, Xiuqing Guo, Nancy L Heard-Costa, Tim Kacprowski, Jack W Kent, Leslie A Lange, Xinggang Liu, Kurt Lohman, Lingyi Lu, Anubha Mahajan, Jeffrey R O'Connell, Ankita Parihar, Juan M Peralta, Albert V Smith, Yi Zhang, Georg Homuth, Ahmed H Kissebah, Joel Kullberg, René Laqua, Lenore J Launer, Matthias Nauck, Michael Olivier, Patricia A Peyser, James G Terry, Mary K Wojczynski, Jie Yao, Lawrence F Bielak, John Blangero, Ingrid B Borecki, Donald W Bowden, John Jeffrey Carr, Stefan A Czerwinski, Jingzhong Ding, Nele Friedrich, Vilmunder Gudnason, Tamara B Harris, Erik Ingelsson, Andrew D Johnson, Sharon L R Kardia, Carl D Langefeld, Lars Lind, Yongmei Liu, Braxton D Mitchell, Andrew P Morris, Thomas H Mosley, Jerome I Rotter, Alan R Shuldiner, Bradford Towne, Henry Völzke, Henri Wallaschofski, James G Wilson, Matthew Allison, Cecilia M Lindgren, Wolfram Goessling, L Adrienne Cupples, Matthew L Steinhauser, Caroline S Fox
Variation in body fat distribution contributes to the metabolic sequelae of obesity. The genetic determinants of body fat distribution are poorly understood. The goal of this study was to gain new insights into the underlying genetics of body fat distribution by conducting sample-size-weighted fixed-effects genome-wide association meta-analyses in up to 9,594 women and 8,738 men of European, African, Hispanic and Chinese ancestry, with and without sex stratification, for six traits associated with ectopic fat (hereinafter referred to as ectopic-fat traits)...
December 5, 2016: Nature Genetics
https://www.readbyqxmd.com/read/27918158/-cesarean-scar-ectopic-pregnancy
#14
L Zahálková, M Kacerovský
OBJECTIVE: To summarize current knowledge about cesarean scar pregnancy and to provide a review about available managements of this serious pregnancy pathology. DESIGN: Review article. SETTING: Department of Gynecology and Obstetrics, District Hospital Náchod. RESULTS: Cesarean scar pregnancy is likely to be a result of impaired healing of the scar along with an increased affinity of trophoblast cells to extracellular matrix...
2016: Ceská Gynekologie
https://www.readbyqxmd.com/read/27917664/abdominal-wall-ectopic-testis-torsion-mimicking-a-spigelian-hernia-in-an-adult
#15
M Natarajan, H M Alnajjar, C I Woodward, M Tshuma, T Marshall, M Rochester
We report an unusual case of an ectopic testis identified in a 37-year-old man presenting with acute severe right iliac fossa pain and an irreducible mass. Initially diagnosed as a Spigelian hernia, computed tomography and ultrasonography identified the presence of an ectopic testis in the abdominal wall. Interparietal testicular ectopia is an extremely rare condition. We present and discuss the first case in the literature of an ectopic testis located between the internal and external oblique muscle layers of the anterior abdominal wall in an adult...
December 5, 2016: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/27917290/functional-analysis-of-alternative-splicing-of-the-flowering-locus-t-orthologous-gene-in-chrysanthemum-morifolium
#16
Yachao Mao, Jing Sun, Peipei Cao, Rong Zhang, Qike Fu, Sumei Chen, Fadi Chen, Jiafu Jiang
As the junction of floral development pathways, the FLOWERING LOCUS T (FT) protein called 'florigen' plays an important role in the process of plant flowering through signal integration. We isolated four transcripts encoding different isoforms of a FT orthologous gene CmFTL1, from Chrysanthemum morifolium cultivar 'Jimba'. Sequence alignments suggested that the four transcripts are related to the intron 1. Expression analysis showed that four alternative splicing (AS) forms of CmFTL1 varied depending on the developmental stage of the flower...
2016: Horticulture Research
https://www.readbyqxmd.com/read/27916859/postnatal-gene-therapy-improves-spatial-learning-despite-the-presence-of-neuronal-ectopia-in-a-model-of-neuronal-migration-disorder
#17
Huaiyu Hu, Yu Liu, Kevin Bampoe, Yonglin He, Miao Yu
Patients with type II lissencephaly, a neuronal migration disorder with ectopic neurons, suffer from severe mental retardation, including learning deficits. There is no effective therapy to prevent or correct the formation of neuronal ectopia, which is presumed to cause cognitive deficits. We hypothesized that learning deficits were not solely caused by neuronal ectopia and that postnatal gene therapy could improve learning without correcting the neuronal ectopia formed during fetal development. To test this hypothesis, we evaluated spatial learning of cerebral cortex-specific protein O-mannosyltransferase 2 (POMT2, an enzyme required for O-mannosyl glycosylation) knockout mice and compared to the knockout mice that were injected with an adeno-associated viral vector (AAV) encoding POMT2 into the postnatal brains with Barnes maze...
November 29, 2016: Genes
https://www.readbyqxmd.com/read/27916793/histone-h3-methyltransferase-suv39h1-prevents-myogenic-terminal-differentiation-by-repressing-mef2-activity-in-muscle-cells
#18
Wei Jin, Yangyang Shang, Jian Peng, Siwen Jiang
The myogenic regulatory factors (MRFs) and myocyte enhancer factor 2 (MEF2) transcription factors have been extensively studied as key transcription factors that regulate myogenic gene expression. However, few reports on the molecular mechanism that modulates chromatin remodeling during skeletal muscle differentiation are available. We reported here that the expression of the H3-K9 methyltransferase Suv39h1 was decreased during myoblast differentiation. Ectopic expression of Suv39h1 could inhibit myoblast differentiation, increasing H3-K9 methylation levels, whereas knockdown of Suv39h1 stimulated myoblast differentiation...
November 28, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27916644/targeted-mitochondrial-uncoupling-beyond-ucp1-the-fine-line-between-death-and-metabolic-health
#19
REVIEW
Mario Ost, Susanne Keipert, Susanne Klaus
In the early 1930s, the chemical uncoupling agent 2,4-dinitrophenol (DNP) was promoted for the very first time as a powerful and effective weight loss pill but quickly withdrawn from the market due to its lack of tissue-selectivity with resulting dangerous side effects, including hyperthermia and death. Today, novel mitochondria- or tissue-targeted chemical uncouplers with higher safety and therapeutic values are under investigation in order to tackle obesity, diabetes and fatty liver disease. Moreover, in the past 20 years, transgenic mouse models were generated to understand the molecular and metabolic consequences of targeted uncoupling, expressing functional uncoupling protein 1 (UCP1) ectopically in white adipose tissue or skeletal muscle...
December 1, 2016: Biochimie
https://www.readbyqxmd.com/read/27916600/mapping-complex-traits-in-a-diversity-outbred-f1-mouse-population-identifies-germline-modifiers-of-metastasis-in-human-prostate-cancer
#20
Jean M Winter, Derek E Gildea, Jonathan P Andreas, Daniel M Gatti, Kendra A Williams, Minnkyong Lee, Ying Hu, Suiyuan Zhang, James C Mullikin, Tyra G Wolfsberg, Shannon K McDonnell, Zachary C Fogarty, Melissa C Larson, Amy J French, Daniel J Schaid, Stephen N Thibodeau, Gary A Churchill, Nigel P S Crawford
It is unclear how standing genetic variation affects the prognosis of prostate cancer patients. To provide one controlled answer to this problem, we crossed a dominant, penetrant mouse model of prostate cancer to Diversity Outbred mice, a collection of animals that carries over 40 million SNPs. Integration of disease phenotype and SNP variation data in 493 F1 males identified a metastasis modifier locus on Chromosome 8 (LOD = 8.42); further analysis identified the genes Rwdd4, Cenpu, and Casp3 as functional effectors of this locus...
November 25, 2016: Cell Systems
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