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https://www.readbyqxmd.com/read/29933109/wntless-a-conserved-wnt-transport-protein-is-involved-in-the-innate-immune-response-of-macrobrachium-rosenbergii
#1
Zhong-Min Dai, Yanan Xiong, Weiran He, Yukun Fang, Ye-Qing Qian, Xiao-Jing Zhu
Wnt signaling play important roles in a variety of developmental and pathological processes. Here we show that Wntless, the main regulator for Wnt secretion, is involved in the innate immune response of the giant freshwater prawn, Macrobrachium rosenbergii. The full-length cDNA of the prawn Wntless (named MrWntless) is 2173 bp in length and contains a 1602-bp open reading frame (ORF), which is conceptually translated into a 533-amino acids sequence. MrWntless protein contains a highly conserved Wnt-binding domain which is required for secretion of Wnt ligands, and exhibits 57-67% identity with known Wntless proteins of other animals...
June 19, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29933019/decreased-local-and-systemic-levels-of-sfrp3-protein-in-osteosarcoma-patients
#2
Dalibel Bravo, Ahmet Salduz, Kristen L Shogren, Madison N Okuno, James L Herrick, Scott H Okuno, Mario Galindo, Andre J van Wijnen, Michael J Yaszemski, Avudaiappan Maran
Osteosarcoma is a malignant bone tumor that occurs mainly in children and adolescents. Because Wnt signaling has been implicated in the pathogenesis of osteosarcoma, we have investigated the circulating and local levels of the Wnt antagonist protein, Secreted Frizzled Related Protein (sFRP) 3, in osteosarcoma patients. Enzyme linked immunosorbent assay (ELISA) analysis of 67 osteosarcoma and age-matched non-diseased control sera showed that sFPR3 protein levels were significantly lower in osteosarcoma than in normal...
June 19, 2018: Gene
https://www.readbyqxmd.com/read/29932919/amide-linked-local-anesthetics-preferentially-target-leukemia-stem-cell-through-inhibition-of-wnt-%C3%AE-catenin
#3
Juan Ni, Tao Xie, Meifang Xiao, Wei Xiang, Lishen Wang
The anti-cancer activities of amide-linked local anesthetics have been demonstrated in various types of bulky/differentiated cancer cells. However, whether these anesthetics also affect biological functions of cancer stem cells is largely unknown. In this study, we systematically investigated the effects of three commonly used amide-linked local anesthetics (ropivacaine, lidocaine and bupivacaine) on leukemia stem cell (LSC) derived from two different leukemia diseases (acute myeloid leukemia, n = 8 and chronic myeloid leukemia, n = 8) as well as normal hematopoietic stem cell (HSC) derived from cord blood donors (n = 8) as comparison...
June 19, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29932918/the-e3-ubiquitin-ligase-rnf146-promotes-colorectal-cancer-by-activating-the-wnt-%C3%AE-catenin-pathway-via-ubiquitination-of-axin1
#4
Jiangli Shen, Zhaohui Yu, Na Li
The E3 ubiquitin ligase ring finger protein 146 (RNF146) has been implicated in tumor development. However, the role and clinical significance of RNF146 in colorectal cancer (CRC) remain unknown. In this study, we reported for the first time that RNF146 was upregulated in CRC tissues as well as in cell lines. Further, RNF146 expression was independent prognostic factor for poor outcome of CRC patients. RNF146 knockdown in cell lines inhibited cell growth, promoted cell apoptosis in vitro and suppressed colorectal tumor growth in vivo...
June 20, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29932883/spatiotemporal-dynamics-of-canonical-wnt-signaling-during-embryonic-eye-development-and-posterior-capsular-opacification-pco
#5
Yichen Wang, Priyha Mahesh, Yan Wang, Samuel G Novo, Mahbubul H Shihan, Brielle Hayward-Piatkovskyi, Melinda K Duncan
The appropriate spatial and temporal regulation of canonical Wnt signaling is vital for eye development. However, the literature often conflicts on the distribution of canonical Wnt signaling in the eye. Here, using a sensitive mouse transgenic reporter line, we report a detailed re-evaluation of the spatiotemporal dynamics of canonical Wnt signaling in the developing eye. Canonical Wnt activity was dynamic in the optic vesicle and later in the retina, while it was absent from the ectodermal precursors of the lens and corneal epithelium...
June 19, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29930766/role-of-wnt5a-receptors-fzd5-and-ryk-in-prostate-cancer-cells
#6
Stefanie Thiele, Ariane Zimmer, Andy Göbel, Tilman D Rachner, Sandra Rother, Susanne Fuessel, Michael Froehner, Manfred P Wirth, Michael H Muders, Gustavo B Baretton, Franz Jakob, Martina Rauner, Lorenz C Hofbauer
Prostate cancer is the most common malignancy in men and has a high propensity to metastasize to bone. WNT5A has recently been implicated in the progression of prostate cancer, however, the receptors that mediate its effects remain unknown. Here, we identified Wnt receptors that are highly expressed in prostate cancer and investigated which of these receptors mediate the anti-tumor effects of WNT5A in prostate cancer in vitro . Extensive in vitro analyses revealed that the WNT5A receptors FZD5 and RYK mediate the anti-tumor effects of WNT5A on prostate cancer cells...
June 5, 2018: Oncotarget
https://www.readbyqxmd.com/read/29930732/injectable-opf-graphene-oxide-hydrogels-provide-mechanical-support-and-enhance-cell-electrical-signaling-after-implantation-into-myocardial-infarct
#7
Jin Zhou, Xiaoning Yang, Wei Liu, Chunlan Wang, Yuan Shen, Fengzhi Zhang, Huimin Zhu, Hongji Sun, Jiayun Chen, Johnny Lam, Antonios G Mikos, Changyong Wang
After myocardial infarction (MI), the scar tissue contributes to ventricular dysfunction by electrically uncoupling viable cardiomyocytes in the infarct region. Injection of a conductive hydrogel could not only provide mechanical support to the infarcted region, but also synchronize contraction and restore ventricular function by electrically connecting isolated cardiomyocytes to intact tissue. Methods: We created a conductive hydrogel by introducing graphene oxide (GO) nanoparticles into oligo(poly(ethylene glycol) fumarate) (OPF) hydrogels...
2018: Theranostics
https://www.readbyqxmd.com/read/29929510/landscape-of-transcription-and-long-non-coding-rnas-reveals-new-insights-into-the-inflammatory-and-fibrotic-response-following-ventilator-induced-lung-injury
#8
Lu Wang, Nannan Zhang, Yi Zhang, Jingen Xia, Qingyuan Zhan, Chen Wang
BACKGROUND: Mechanical ventilation can cause ventilator-induced lung injury (VILI) and lung fibrosis; however, the underlying mechanisms are still not fully understood. RNA sequencing is a powerful means for detecting vitally important protein-coding transcripts and long non-coding RNAs (lncRNAs) on a genome-wide scale, which may be helpful for reducing this knowledge gap. METHODS: Ninety C57BL/6 mice were subjected to either high tidal volume ventilation or sham operation, and then mice with ventilation were randomly allocated to periods of recovery for 0, 1, 3, 5, 7, 14, 21, or 28 days...
June 22, 2018: Respiratory Research
https://www.readbyqxmd.com/read/29929440/frontal-bone-healing-is-sensitive-to-wnt-signaling-inhibition-via-lentiviral-encoded-%C3%AE-catenin-shrna
#9
Lei Zhang, Leslie Le Chang, Jiajia Xu, Carolyn A Meyers, Noah Yan, Erin Zou, Catherine Ding, Kang Ting, Chia Soo, Shen Pang, Aaron W James
The Wnt/<i>β-catenin</i> signaling pathway plays an integral role in skeletal biology, spanning from embryonic skeletal patterning, through bone maintenance and bone repair. Most experimental methods to antagonize Wnt signaling in vivo are either systemic or transient, including genetic approaches, use of small molecule inhibitors, or neutralizing antibodies. We sought to develop a novel, localized model of prolonged Wnt/β-catenin signaling blockade by the application and validation of a lentivirus encoding <i>β-catenin</i> shRNA...
June 21, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29928447/cancer-panel-analysis-of-circulating-tumor-cells-in-patients-with-breast-cancer
#10
Cham Han Lee, Soo Jeong Lee, Sung Ho Choi, Sei Hyun Ahn, Byung Ho Son, Jong Won Lee, Jong Han Yu, Nak-Jung Kwon, Woo Chung Lee, Kap-Seok Yang, Dong Hyoung Lee, Du Yeol Han, Mi So Choi, Pyeong-Soo Park, Hyun Kyung Lee, Myoung Shin Kim, Jinseon Lee, Byung Hee Jeon
Liquid biopsy using circulating tumor cells (CTCs) is a noninvasive and repeatable procedure, and is therefore useful for molecular assays. However, the rarity of CTCs remains a challenge. To overcome this issue, our group developed a novel technology for the isolation of CTCs on the basis of cell size difference. The present study isolated CTCs from patients with breast cancer using this method, and then used these cells for cancer gene panel analysis. Blood samples from eight patients with breast cancer were collected, and CTCs were enriched using size-based filtration...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928432/upregulation-of-circ_001569-predicts-poor-prognosis-and-promotes-cell-proliferation-in-non-small-cell-lung-cancer-by-regulating-the-wnt-%C3%AE-catenin-pathway
#11
Lingchi Ding, Weidong Yao, Junguo Lu, Jun Gong, Xiaodong Zhang
Circular RNAs (circRNAs) are a large class of RNAs that have previously been identified to be involved in certain diseases, including the development of cancer. However, the role of circ_001569 in non-small cell lung cancer (NSCLC) remains unknown. In the present study, it was demonstrated that expression levels of circ_001569 were significantly increased in NSCLC tissues compared with in adjacent normal tissues. Increased circ_001569 expression was closely associated with tumor differentiation, lymph node metastasis and Tumor-Node-Metastasis classification in NSCLC...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928428/propofol-inhibits-wnt-signaling-and-exerts-anticancer-activity-in-glioma-cells
#12
Wei Xu, Jiwei Zheng, Shijie Bie, Liuyu Kang, Qingjun Mao, Weiwei Liu, Jinxin Guo, Juan Lu, Rui Xia
Aberrant activation of Wnt signaling is implicated in gliomagenesis. Propofol, the most commonly used intravenous anesthetic agent in clinics, exhibits potent antitumor activity in a variety of cancer cells through different mechanisms. However, the role of propofol on Wnt signaling and glioma cell growth remains to be fully elucidated. In the present study, propofol was identified as a potent inhibitor of Wnt signaling. In 293T cells transfected with Wnt1 or Wnt3 expression plasmids or treated with Wnt3A-conditioned medium, propofol significantly inhibited the transcriptional activity of the SuperTopFlash reporter and the expression of Wnt target genes...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928395/proprotein-convertase-subtilisin-kexin-type-6-activates-the-extracellular-signal-regulated-kinase-1-2-and-wnt-family-member-3a-pathways-and-promotes-in-vitro-proliferation-migration-and-invasion-of-breast-cancer-mda-mb-231-cells
#13
Ping Wang, Feifei Wang, Lin Wang, Jihong Pan
Breast cancer progression results from the acquisition of genetic and epigenetic alterations that promote tumor cell proliferation and survival. Proprotein convertase subtilisin/kexin type 6 (PCSK6) is a proteinase that regulates the proteolytic activity of various precursor proteins as well as protein maturation. PCSK6 also influences cancer cell proliferation, invasion and migration. Therefore, to investigate the effects of PCSK6 in breast cancer, human breast cancer MDA-MB-231 cells were treated with recombinant human PCSK6 in vitro ...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928327/tumor-necrosis-factor-receptor-2-may-promote-the-proliferation-and-drug-resistance-of-kapras299-and-l428-lymphoma-cells-via-the-akt-and-wnt-%C3%AE-catenin-signaling-pathways
#14
Yanyan Liang, Yu Wang, Meng Xiao, Yunliang Hao, Yongtian Zhang, Shumei Li
Circulating soluble tumor necrosis factor receptor 2 (sTNFR2) has been associated with a relatively poor prognosis in various types of lymphoma. However, the specific role of TNFR2 expression in lymphoma cells remains uncharacterized. In the present study, TNFR2 expression was quantified in the Hodgkin lymphoma cell line, L428, and the anaplastic large-cell lymphoma cell line, Karpas299, using RT-PCR and western blot analyses. Karpas299 cells exhibited higher TNFR2 expression than L428 cells. Proliferation and drug resistance experiments demonstrated that Karpas299 cells also possessed a greater proliferative ability and resistance to adriamycin (ADM) than L428 cells, with 50% inhibitory concentrations (IC50 ) of 1...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928063/circulating-levels-of-sclerostin-are-associated-with-cardiovascular-mortality
#15
Cristina Novo-Rodríguez, Beatriz García-Fontana, Juan De Dios Luna-Del Castillo, Francisco Andújar-Vera, Verónica Ávila-Rubio, Cristina García-Fontana, Sonia Morales-Santana, Pedro Rozas-Moreno, Manuel Muñoz-Torres
Cardiovascular diseases are a health problem throughout the world, especially in people with diabetes. The identification of cardiovascular disease biomarkers can improve risk stratification. Sclerostin is a modulator of the Wnt/β-catenin signalling pathway in different tissues, and it has recently been linked to vascular biology. The current study aimed to evaluate the relationship between circulating sclerostin levels and cardiovascular and non-cardiovascular mortality in individuals with and without type 2 diabetes...
2018: PloS One
https://www.readbyqxmd.com/read/29928021/colon-organoid-formation-and-cryptogenesis-are-stimulated-by-growth-factors-secreted-from-myofibroblasts
#16
Hon Yan Kelvin Yip, Chin Wee Tan, Yumiko Hirokawa, Antony Wilks Burgess
Although small intestinal epithelial stem cells form crypts when using intestinal culture conditions, colon stem cells usually form colonospheres. Colon mesenchymal cell feeder layers can stimulate colon crypts to form organoids and produce crypts. We have investigated whether conditioned medium from colon mesenchymal cells can also stimulate colonosphere and organoid cryptogenesis. We prepared conditioned medium (CM) from WEHI-YH2 cells (mouse colon myofibroblasts); the CM stimulated both colonosphere formation and organoid cryptogenesis in vitro...
2018: PloS One
https://www.readbyqxmd.com/read/29928002/b-1-cells-and-b-1-cell-precursors-prompt-different-responses-to-wnt-signaling
#17
Lika Osugui, Jolanda J de Roo, Vivian Cristina de Oliveira, Ana Clara Pires Sodré, Frank J T Staal, Ana Flavia Popi
Recently several studies demonstrated a role for the Wnt pathway in lymphocyte development and self-renewal of hematopoietic stem cells (HSCs). B-1 cells constitute a separate lineage of B lymphocytes, originating during fetal hematopoiesis, expressing lymphoid and myeloid markers and possessing self-renewal ability, similar to early hematopoietic progenitors and HSCs. A plethora of studies have shown an important role for the evolutionary conserved Wnt pathway in the biology of HSCs and T lymphocyte development...
2018: PloS One
https://www.readbyqxmd.com/read/29927473/wnt-spectrum-vitreoretinopathy-masquerading-as-congenital-toxoplasmosis
#18
Natalia F Callaway, Audina M Berrocal
Wnt-spectrum vitreoretinopathies are a group of rare inherited disorders of retinal angiogenesis that include familial exudative vitreoretinopathy/Norrie disease and are most commonly autosomal dominant; however, they can rarely present with other inheritance patterns that are more difficult to diagnose. The authors describe a case of an uncle misdiagnosed as congenital toxoplasmosis for decades and his 2-month-old nephew presenting with bilateral retinal detachments. Genetic analysis revealed an NDP gene mutation in the child and the uncle, as well as heterozygosity of the mother confirming a Wnt-spectrum vitreoretinopathy...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927348/a-novel-requirement-for-ubiquitin-conjugating-enzyme-ubc-13-in-retrograde-recycling-of-mig-14-wntless-and-wnt-signaling
#19
Junbing Zhang, Jinchao Liu, Anne Norris, Barth D Grant, Xiaochen Wang
After endocytosis, transmembrane cargos such as signaling receptors, channels and transporters enter endosomes where they are sorted to different destinations. Retromer and ESCRT (endosomal sorting complex required for transport) are functionally distinct protein complexes on endosomes that direct cargo sorting into the recycling retrograde transport pathway and the degradative multivesicular endosome pathway (MVE), respectively. Cargos destined for degradation in lysosomes are decorated with K63-linked ubiquitin chains, which serve as an efficient sorting signal for entry into the MVE pathway...
June 21, 2018: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/29926686/-the-therapeutic-effects-of-yougui-pill-on-knee-osteoarthritis-and-the-expression-of-wnt-signal-pathway-related-factors-in-rats
#20
Chun-Lu Yan, Sheng-Hua Li, Fang-Yu An, Yong-Qi Liu, Peng-Fei Xia, Zheng-Min Ma, Yan-Qiang Niu, Peng-Yao Liu
OBJECTIVES: To observe the effects of Yougui pill (Traditional Chinese Medicine) on the related factors of Wnt signal pathway of rats with knee osteoarthritis (KOA), and explore its protective mechanism. METHODS: Sixty SPF SD rats were randomly divided into the sham-operative group, model group, glucosamine sulfate group, high-dose, middle-dose, low-dose of Yougui pill treated group ( n =10). KOA model was established by modified Hulth method for six weeks. The rats in the high, middle and low-dose of Yougui pill group were treated with Yougui pills at the doses of 20,10 and 5 g/kg respectively by gastrogavage once a day for 8 weeks, while equal volume of normal saline was given to those in the sham and model control group and an equal volume of glucosamine sulfate (1...
February 8, 2018: Chinese Journal of Applied Physiology
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