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https://www.readbyqxmd.com/read/29353209/mir-182-promotes-prostate-cancer-progression-through-activating-wnt-%C3%AE-catenin-signal-pathway
#1
Dawei Wang, Guoliang Lu, Yuan Shao, Da Xu
Although prostate cancer can be surgical excised and effectively treated by androgen-deprivation therapy, radiotherapy, or chemotherapy, management of patients with advanced or drug-resistance prostate cancer stills remains a big trouble. Accumulated evidence indicated that miR-182 and Wnt/β-catenin function as tumor oncogene in the progression of a variety of tumors. However, little is known about how miR-182 regulates β-catenin signal molecular and impacts on the tumorigenesis of human prostate cancer. In this study, employing the analyses of qRT-PCR, we found that prostate cancer tissues expressed much more miR-182 than non-cancer tissues did...
January 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29353205/wisp3-prevents-fibroblast-myofibroblast-transdifferentiation-in-nrk-49f-cells
#2
Yang Yi, Jun Ma, Lu Jianrao, Hangqing Wang, Yingdan Zhao
CCN family, a group of six extracellular matrix-associated proteins, plays an important role in fibrosis. WISP3 has addressed as a pro-fibrotic molecule in the development of human lung fibrosis. However, whether WISP3 involved in the activation and proliferation of renal fibroblast, and ultimately inhibited fibroblast-myofibroblast transdifferentiation remained unknown. Herein, we found that down-regulated WISP3 was involved in the fibrogenesis of rat renal NRK-49F cells induced by transforming growth (TGF-β1), which was further confirmed in a rat renal fibrosis induced by unilateral ureteral obstruction (UUO)...
January 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29351069/metazoan-parasite-fauna-of-migrating-common-garfish-belone-belone-l-in-the-baltic-sea
#3
Patrick Unger, Kilian Neubert, Harry W Palm
A total of 35 common garfish, Belone belone (Linnaeus, 1761), were studied for metazoan parasites on their spawning grounds in the western Baltic Sea. Nine parasite species were found, and six new locality records could be established for German coastal waters (Axine belones, Monogenea; Proteocephalus sp., Cestoda; Anisakis simplex (s.s.), Contracaecum rudolphii A and Hysterothylacium aduncum, Nematoda; Echinorhynchus gadi, Acanthocephala). For the first time, the marine ectoparasite A. belones was recorded from the gills of garfish inside the Baltic Sea, indicating its ability to survive the spawning migration as well as the brackish water conditions at its reproduction grounds...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29336472/baicalin-increases-hair-follicle-development-by-increasing-canonical-wnt-%C3%AE-%C3%A2-catenin-signaling-and-activating-dermal-papillar-cells-in-mice
#4
Fei Xing, Wen-Juan Yi, Fang Miao, Meng-Yun Su, Tie-Chi Lei
Baicalin is a traditional Chinese herbal medicine commonly used for hair loss, the precise molecular mechanism of which is unknown. In the present study, the mechanism of baicalin was investigated via the topical application of baicalin to reconstituted hair follicles on mice dorsa and evaluating the effect on canonical Wnt/β‑catenin signaling in the hair follicles and the activity of dermal papillar cells. The results indicate that baicalin stimulates the expression of Wnt3a, Wnt5a, frizzled 7 and disheveled 2 whilst inhibiting the Axin/casein kinase 1α/adenomatous polyposis coli/glycogen synthase kinase 3β degradation complex, leading to accumulation of β‑catenin and activation of Wnt/β‑catenin signaling...
January 16, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29329488/genetic-and-molecular-insights-into-genotype-phenotype-relationships-in-osteopathia-striata-with-cranial-sclerosis-oscs-through-the-analysis-of-novel-mouse-wtx-mutant-alleles
#5
Glenda Comai, Agnès Boutet, Kristina Tanneberger, Filippo Massa, Ana-Sofia Rocha, Aurelie Charlet, Clara Panzolini, Fariba Jian Motamedi, Robert Brommage, Wolfgang Hans, Thomas Funck-Brentano, Martin Hrabe de Angelis, Christine Hartmann, Martine Cohen-Solal, Jürgen Behrens, Andreas Schedl
The X-linked WTX/AMER1 protein forms an important component of the β-catenin destruction complex that can both enhance and suppress canonical β-catenin signalling. Somatic mutations in WTX/AMER1 have been found in a proportion of the pediatric kidney cancer Wilms' tumour. By contrast, germline mutations cause the severe sclerosing bone dysplasia osteopathia striata congenita with cranial sclerosis (OSCS), a condition usually associated with fetal or perinatal lethality in male patients. Here we addressed the developmental and molecular function of WTX by generating two novel mouse alleles...
January 12, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29248448/zhen-wu-tang-ameliorates-adenine-induced-chronic-renal-failure-in-rats-regulation-of-the-canonical-wnt4-beta-catenin-signaling-in-the-kidneys
#6
Lei La, Lili Wang, Fei Qin, Jian Jiang, Songqi He, Chunxia Wang, Yuhao Li
ETHNOPHARMACOLOGICAL RELEVANCE: Zhen-wu-tang (ZWT), composed of Radix Aconiti lateralis, Rhizoma Atractylodis macrocephalae, Poria, Radix Paeoniae alba and ginger, is a classic Chinese herbal formula for the treatment of chronic kidney diseases that may cause chronic renal failure (CRF). AIM OF THE STUDY: To better understand its clinical use, this study investigated the effects and underlying mechanisms of action of ZWT on CRF. MATERIALS AND METHODS: CRF was induced by adenine...
December 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29225578/curcumin-suppresses-the-colon-cancer-proliferation-by-inhibiting-wnt-%C3%AE-catenin-pathways-via-mir-130a
#7
Huiqiang Dou, Renhui Shen, Jianxin Tao, Longchang Huang, Haoze Shi, Hang Chen, Yixin Wang, Tong Wang
Curcumin exhibits anti-tumor effects in several cancers, including colorectal carcinoma (CRC), but the detailed mechanisms are still unclear. Here we studied the mechanisms underlying the anti-tumor effect of curcumin in colon cancer cells. SW480 cells were injected into mice to establish the xenograft tumor model, followed by evaluation of survival rate with the treatment of curcumin. The expression levels of β-catenin, Axin and TCF4 were measured in the SW480 cells in the absence or presence of curcumin...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29218084/regulation-of-osteogenic-differentiation-by-dna-methylation-of-the-dishevelled-gene-in-bone-marrow-mesenchymal-stem-cells
#8
Xiaofeng Han, Xinfeng Li, Guibin Zhong, Zude Liu
Bone marrow mesenchymal stem cells (BMSCs) are stem cells with multidirectional differentiation potential, which can be used as seed cells to repair and reconstruct many types of tissues and organs following injury or disease. Osteogenic differentiation involves a variety of pathway and factors, including cytokines, growth factors, and hormones. In the present study, we investigated the potential role of Dishevelled in osteogenic differentiation of BMSCs in induction medium containing the methyltransferase inhibitor 5-aza-2'-deoxycytidine...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/29217752/mapping-the-distribution-of-stem-progenitor-cells-across-the-middle-ear-during-homeostasis-and-inflammation
#9
Abigail S Tucker, Carlene J Dyer, Juan M Fons Romero, Tathyane H N Teshima, Jennifer C Fuchs, Hannah Thompson
The middle ear epithelium is derived from neural crest and endoderm, which line distinct regions of the middle ear cavity. Here we investigate the distribution of putative stem cell markers in the middle ear combined with an analysis of the location of label retaining cells (LRCs) to create a map of the middle ear mucosa. We show that proliferating cells and LRCs were associated with specific regions of the ear epithelium, concentrated in the hypotympanum at the base of the auditory bulla and around the ear drum...
December 7, 2017: Development
https://www.readbyqxmd.com/read/29212798/the-gsk3-kinase-inhibitor-lithium-produces-unexpected-hyperphosphorylation-of-%C3%AE-catenin-a-gsk3-substrate-in-human-glioblastoma-cells
#10
Ata Ur Rahman Mohammed Abdul, Bhagya De Silva, Ronald K Gary
Lithium salt is a classic glycogen synthase kinase 3 (GSK3) inhibitor. Beryllium is a structurally-related inhibitor that is more potent but relatively uncharacterized. This study examined the effects of these inhibitors on the phosphorylation of endogenous GSK3 substrates. In NIH-3T3 cells, both salts caused a decrease in phosphorylated glycogen synthase, as expected. GSK3 inhibitors produce enhanced phosphorylation of Ser9 of GSK3β via a positive feedback mechanism, and both salts elicited this enhancement...
December 6, 2017: Biology Open
https://www.readbyqxmd.com/read/29188631/-advance-in-research-on-the-correlation-between-genotypes-of-susceptible-mutations-and-clinical-phenotype-of-familial-adenomatous-polyposis
#11
Shengliang He, Jing Du, Fangqi Liu
Familial adenomatous polyposis (FAP) is one of the most common hereditary colorectal cancers. Its intestinal and extra-intestinal manifestations are correlated with mutation sties of the APC gene. Potential gene modulation sites in patients who have typical clinical manifestations but with unidentified APC mutations are also discussed, which included MUTYH gene, AXIN gene and certain epigenetic changes. With the generalization of Precision Medicine, to offer individualized treatment and surveillance strategy based on the genotype-phenotype correlation will be of great value for FAP patients...
December 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/29163887/a-novel-peptide-stapling-strategy-enables-the-retention-of-ring-closing-amino-acid-side-chains-for-the-wnt-%C3%AE-catenin-signalling-pathway
#12
Ye Wu, Ye-Hua Li, Xiang Li, Yan Zou, Hong-Li Liao, Lei Liu, Ye-Guang Chen, Donald Bierer, Hong-Gang Hu
The all-hydrocarbon peptide stapling strategy has recently been extensively explored in drug discovery. There remains the potential for improvement regarding the retention of the amino acid side chains at the stapled positions. Herein, we describe a new series of amino acids that not only contain the native side chains, but also carry the alkenyl arms that are needed for the ring-closing stapling chemistry. We incorporate the new amino acids into a β-catenin-binding domain of Axin (469-482) and develop a new category of stapled peptides with the retention of the native side chains...
November 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/29163486/structure-and-diversity-of-the-rhesus-macaque-immunoglobulin-loci-through-multiple-de-novo-genome-assemblies
#13
Akshaya Ramesh, Sam Darko, Axin Hua, Glenn Overman, Amy Ransier, Joseph R Francica, Ashley Trama, Georgia D Tomaras, Barton F Haynes, Daniel C Douek, Thomas B Kepler
The rhesus macaque is a critically important animal model in biomedical research, most recently playing a key role in the development of vaccines against human immunodeficiency virus-1. Nevertheless, the immunoglobulin (Ig) loci of macaques are as yet incompletely determined and our understanding of differences between human and macaque humoral immunity remains deficient. We completed a high-coverage, high-quality whole genome sequencing and assembly project with a single rhesus macaque of Indian origin, and partial genome assemblies using genomic molecular targeting of the Ig loci in nine other rhesus macaques of Indian origin...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29153704/multiprotein-complexes-governing-wnt-signal-transduction
#14
REVIEW
Melissa Gammons, Mariann Bienz
Three multiprotein complexes have key roles in transducing Wnt signals from the plasma membrane to the cell nucleus - the β-catenin destruction complex, or Axin degradasome, which targets the Wnt effector β-catenin for proteasomal degradation in the absence of Wnt; the Wnt signalosome, assembled by polymerization of Dishevelled upon Wnt engaging its receptors, to inactivate the Axin degradasome, which allows β-catenin to accumulate; and the Wnt enhanceosome which enables β-catenin to gain access to target genes, to relieve their transcriptional repression by Groucho/TLE...
November 15, 2017: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/29153408/ampk-sensing-glucose-as-well-as-cellular-energy-status
#15
REVIEW
Sheng-Cai Lin, D Grahame Hardie
Mammalian AMPK is known to be activated by falling cellular energy status, signaled by rising AMP/ATP and ADP/ATP ratios. We review recent information about how this occurs but also discuss new studies suggesting that AMPK is able to sense glucose availability independently of changes in adenine nucleotides. The glycolytic intermediate fructose-1,6-bisphosphate (FBP) is sensed by aldolase, which binds to the v-ATPase on the lysosomal surface. In the absence of FBP, interactions between aldolase and the v-ATPase are altered, allowing formation of an AXIN-based AMPK-activation complex containing the v-ATPase, Ragulator, AXIN, LKB1, and AMPK, causing increased Thr172 phosphorylation and AMPK activation...
November 15, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/29114927/genetic-study-of-non-syndromic-tooth-agenesis-through-the-screening-of-paired-box-9-msh-homeobox-1-axin-2-and-wnt-family-member-10a-genes-a-case-series
#16
Marwa Haddaji Mastouri, Peter De Coster, Aicha Zaghabani, Frej Jammali, Nabiha Raouahi, Amina Ben Salem, Ali Saad, Paul Coucke, Dorra H'mida Ben Brahim
Non-syndromic tooth agenesis (NSTA) is the most common developmental anomaly in humans. Several studies have been conducted on dental agenesis and numerous genes have been identified. However, the pathogenic mechanisms responsible for NSTA are not clearly understood. We studied a group of 28 patients with sporadic NSTA and nine patients with a family history of tooth agenesis. We focused on four genes - paired box 9 (PAX9), Wnt family member 10A (WNT10A), msh homeobox 1 (MSX1), and axin 2 (AXIN2) - using direct Sanger sequencing of the exons and intron-exon boundaries...
November 8, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/29098832/-effect-of-aralia-echinocaulis-containing-serum-on-wnt-%C3%AE-catenin-signaling-pathway-of-primary-osteoblast
#17
Xiang-Jiao Yi, Jin-Cheng Li, Song-Yue Wang, Meng-Yun Yan, Jian Cui, Ling-Peng Pei
This paper was aimed to investigate the effect of Aralia echinocaulis containing serum on expression of β-catenin, Wnt-1, Frizzed-2, TCF and Axin in Wnt/β-catenin signaling pathway of primary osteoblasts. SD healthy female rats (n=80) were used to make A. echinocaulis containing serum by gastric perfusion for seven days with distilled water, A. echinocaulis decoction high dosage, middle dosage, and low dosage. In vitro, primary osteoblasts were cultured and identified. The third generation primary osteoblasts were taken and cultured for 48 h, then cells were treated with the different drug serums for 10 days and calcified nodules were counted by alizarin red staining...
July 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29055830/pharmacological-inhibition-of-tankyrase-induces-bone-loss-in-mice-by-increasing-osteoclastogenesis
#18
Shunichi Fujita, Tomoyuki Mukai, Takafumi Mito, Shoko Kodama, Akiko Nagasu, Mizuho Kittaka, Teruki Sone, Yasuyoshi Ueki, Yoshitaka Morita
Tankyrase is a poly (ADP-ribose) polymerase that leads to ubiquitination and degradation of target proteins. Since tankyrase inhibitors suppress the degradation of AXIN protein, a negative regulator of the canonical Wnt pathway, they effectively act as Wnt inhibitors. Small molecule tankyrase inhibitors are being investigated as drug candidates for cancer and fibrotic diseases, in which the Wnt pathways are aberrantly activated. Tankyrase is also reported to degrade the adaptor protein SH3BP2 (SH3 domain-binding protein 2)...
October 18, 2017: Bone
https://www.readbyqxmd.com/read/29039516/baicalin-alleviates-h2o2%C3%A2-induced-injury-of-h9c2-cardiomyocytes-through-suppression-of-the-wnt-%C3%AE-%C3%A2-catenin-signaling-pathway
#19
Liman Qiu, Jinxiao Chen, Jing Lin, Da Wo, Jianfeng Chu, Jun Peng
Baicalin is one of the active ingredients extracted from the dry root of Scutellaria baicalensis Georgi, which has been reported to be effective in preventing myocardial ischemia reperfusion injury. However, the mechanisms underlying its cardioprotective activities remain to be elucidated. In the present study, H2O2‑treated cardiomyocyte H9c2 cell line served as an in vitro model of oxidation‑damaged cardiomyocytes to evaluate the effects of baicalin on the cardiac injury, and to investigate the underlying molecular mechanism...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29034085/amp-activated-protein-kinase-not-just-an-energy-sensor
#20
REVIEW
David Grahame Hardie, Sheng-Cai Lin
Orthologues of AMP-activated protein kinase (AMPK) occur in essentially all eukaryotes as heterotrimeric complexes comprising catalytic α subunits and regulatory β and γ subunits. The canonical role of AMPK is as an energy sensor, monitoring levels of the nucleotides AMP, ADP, and ATP that bind competitively to the γ subunit. Once activated, AMPK acts to restore energy homeostasis by switching on alternate ATP-generating catabolic pathways while switching off ATP-consuming anabolic pathways. However, its ancestral role in unicellular eukaryotes may have been in sensing of glucose rather than energy...
2017: F1000Research
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