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Wnt beta catenin

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https://www.readbyqxmd.com/read/29462326/secreted-frizzled-related-protein-2-sfrp2-expression-promotes-lesion-proliferation-via-canonical-wnt-signaling-and-indicates-lesion-borders-in-extraovarian-endometriosis
#1
T Heinosalo, M Gabriel, L Kallio, P Adhikari, K Huhtinen, T D Laajala, E Kaikkonen, A Mehmood, P Suvitie, H Kujari, T Aittokallio, A Perheentupa, M Poutanen
STUDY QUESTION: What is the role of SFRP2 in endometriosis? SUMMARY ANSWER: SFRP2 acts as a canonical WNT/CTNNB1 signaling agonist in endometriosis, regulating endometriosis lesion growth and indicating endometriosis lesion borders together with CTNNB1 (also known as beta catenin). WHAT IS KNOWN ALREADY: Endometriosis is a common, chronic disease that affects women of reproductive age, causing pain and infertility, and has significant economic impact on national health systems...
February 15, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29410165/mid-gestational-sevoflurane-exposure-inhibits-fetal-neural-stem-cell-proliferation-and-impairs-postnatal-learning-and-memory-function-in-a-dose-dependent-manner
#2
Yuan Wang, Shaowei Yin, Hang Xue, Yating Yang, Nan Zhang, Ping Zhao
Advancements in fetal intervention procedures have led to increases in the number of pregnant women undergoing general anesthesia during the second trimester-a period characterized by extensive proliferation of fetal neural stem cells (NSCs). However, few studies have investigated the effects of mid-gestational sevoflurane exposure on fetal NSC proliferation or postnatal learning and memory function. In the present study, pregnant rats were randomly assigned to a control group (C group), a low sevoflurane concentration group (2%; L group), a high sevoflurane concentration group (3...
January 31, 2018: Developmental Biology
https://www.readbyqxmd.com/read/29404451/microrna-therapy-inhibits-hepatoblastoma-growth-in-vivo-by-targeting-%C3%AE-catenin-and-wnt-signaling
#3
Emilie Indersie, Sarah Lesjean, Katarzyna B Hooks, Francis Sagliocco, Tony Ernault, Stefano Cairo, Maria Merched-Sauvage, Anne Rullier, Brigitte Le Bail, Sophie Taque, Michael Grotzer, Sophie Branchereau, Catherine Guettier, Monique Fabre, Laurence Brugières, Martin Hagedorn, Marie-Annick Buendia, Christophe F Grosset
Hepatoblastoma (HBL) is the most common pediatric liver cancer. In this malignant neoplasm, beta-catenin protein accumulates and increases Wnt signaling due to recurrent activating mutations in the catenin-beta 1 (CTNNB1) gene. Therefore, beta-catenin is a key therapeutic target in HBL. However, controlling beta-catenin production with therapeutic molecules has been challenging. New biological studies could provide alternative therapeutic solutions for the treatment of HBL, especially for advanced tumors and metastatic disease...
April 2017: Hepatology communications
https://www.readbyqxmd.com/read/29394503/the-wnt-%C3%AE-catenin-pathway-determines-the-predisposition-and-the-efficiency-of-liver-to-pancreas-reprogramming
#4
Helit Cohen, Hila Barash, Irit Meivar-Levy, Kfir Molakandov, Marina Ben-Shimon, Michael Gurevich, Fatima Zoabi, Adi Har-Zahav, Rolf Gebhardt, Frank Gaunitz, Michael Gurevitz, Eytan Mor, Philippe Ravassard, Shoshana Greenberger, Sarah Ferber
Transdifferentiation (TD) is the direct reprogramming of adult cells into cells of alternate fate and function. We were the first to show that liver cells can be transdifferentiated into beta-like, insulin producing cells, by ectopic expression of pancreatic transcription factors (pTFs). However, the efficiency of the process was consistently limited to <15% of the human liver cells treated in culture. The data in the current study suggest that liver to pancreas TD is restricted to a specific population of liver cells that is predisposed to undergo reprogramming...
February 2, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29386236/the-ewing-sarcoma-secretome-and-its-response-to-activation-of-wnt-beta-catenin-signaling
#5
Allegra G Hawkins, Venkatesha Basrur, Felipe da Veiga Leprevost, Elisabeth Pedersen, Colin Sperring, Alexey I Nesvizhskii, Elizabeth R Lawlor
Tumor: tumor microenvironment (TME) interactions are critical for tumor progression and the composition and structure of the local extracellular matrix (ECM) are key determinants of tumor metastasis. We recently reported that activation of Wnt/beta-catenin signaling in Ewing sarcoma cells induces widespread transcriptional changes that are associated with acquisition of a metastatic tumor phenotype. Significantly, ECM protein-encoding genes were found to be enriched among Wnt/beta-catenin induced transcripts, leading us to hypothesize that activation of canonical Wnt signaling might induce changes in the Ewing sarcoma secretome...
January 31, 2018: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/29375822/hepatoblastoma-current-understanding-recent-advances-and-controversies
#6
REVIEW
Piotr Czauderna, Hanna Garnier
Introduction: Hepatoblastoma (HB) is the most common primary malignant liver neoplasm in children. Its increasing survival rate is related to the progress in modern imaging, surgical techniques, and new chemotherapy regimens. Clinical approach: One of the past achievements was the development of the pretreatment extension of disease (PRETEXT) system. Gradually, the HB therapeutic approach has become more individualized with better stratification of patients. Controversies: These include the need for preoperative chemotherapy and its optimal duration; intensity of preoperative chemotherapy required for locally advanced cases (PRETEXT 4); optimal surgical treatment for locally advanced tumors: aggressive hepatic resections versus liver transplantation; the role of postoperative chemotherapy in the post-transplant setting; the timing and role of metastasectomy in patients with disseminated disease who undergo partial liver resection; and the prognostic significance of several HB pathology variants...
2018: F1000Research
https://www.readbyqxmd.com/read/29369179/targeted-next-generation-sequencing-of-malignant-peripheral-nerve-sheath-tumor-of-the-pterygopalatine-fossa-with-intracranial-metastatic-recurrence
#7
Xinjie Bao, Xiangyi Kong, Chengxian Yang, Huanwen Wu, Wenbin Ma, Renzhi Wang
Malignant peripheral nerve sheath tumor (MPNST) is an uncommon neoplasm that rarely involves the head and neck region. Intracranial MPNSTs unrelated to cranial nerves are highly malignant tumors with poor overall survival, probably because of infiltrating growth into surrounding brain tissue. The pathogenesis of MPNST remains unclear. There are no conclusive explanations for the mechanisms underlying the initiation, progression, and metastasis of MPNST. In this paper, we describe a case of MPNST in the pterygopalatine fossa with intracranial metastatic recurrence and review related literatures...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29363326/wnt-signaling-is-required-for-peritoneal-membrane-angiogenesis
#8
Manreet Kaur Padwal, Genyang Cheng, Limin Liu, Felix J Boivin, Azim Gangji, Kenneth Scott Brimble, Darren Bridgewater, Peter J Margetts
The WNT signaling pathway is involved in wound healing and fibrosis. We evaluated the WNT signaling pathway in peritoneal membrane injury. We assessed WNT1 protein expression in the peritoneal effluents of 54 stable peritoneal dialysis (PD) patients and WNT-related gene expression in ex vivo mesothelial cell cultures from 21 PD patients. In a transforming growth factor beta (TGFB) mediated animal model of peritoneal fibrosis, we evaluated regulation of the WNT pathway and the effect of WNT inhibition on peritoneal fibrosis and angiogenesis...
January 24, 2018: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29359663/a-review-of-the-clinical-radiological-and-biochemical-characteristics-and-genetic-causes-of-high-bone-mass-disorders
#9
Xiang Chen, Hongling Yu, Xijie Yu
BACKGROUND: High bone mass (HBM) disorders are a group of clinically and genetically heterogeneous bone diseases characterized by increased bone density on radiographs, due to progressive bone overgrowth or impaired bone resorption, or both. Some HBM cases are secondary to other diseases, such as chronic hepatitis C virus infection. Despite the great advance in gene diagnostic technology, the majority of HBM individuals remain undiagnosed. OBJECTIVE: In this review, we will summarize the clinical, radiological and biochemical characteristics of HBM cases due to varying etiologies, since these features are helpful in the differential diagnosis of HBM...
January 22, 2018: Current Drug Targets
https://www.readbyqxmd.com/read/29334988/epidermal-wnt-signalling-regulates-transcriptome-heterogeneity-and-proliferative-fate-in-neighbouring-cells
#10
Arsham Ghahramani, Giacomo Donati, Nicholas M Luscombe, Fiona M Watt
BACKGROUND: Canonical Wnt/beta-catenin signalling regulates self-renewal and lineage selection within the mammalian epidermis. Although the transcriptional response of keratinocytes that receive a Wnt signal is well characterized, little is known about the mechanism by which keratinocytes in proximity to the Wnt-receiving cell are co-opted to undergo a change in cell fate. RESULTS: To address this, we perform single-cell RNA-sequencing on mouse keratinocytes co-cultured with and without beta-catenin-activated neighbouring cells...
January 15, 2018: Genome Biology
https://www.readbyqxmd.com/read/29330435/beta-catenin-cleavage-enhances-transcriptional-activation
#11
Tatiana Goretsky, Emily M Bradford, Qing Ye, Olivia F Lamping, Tomas Vanagunas, Mary Pat Moyer, Patrick C Keller, Preetika Sinh, Josep M Llovet, Tianyan Gao, Qing-Bai She, Linheng Li, Terrence A Barrett
Nuclear activation of Wnt/β-catenin signaling is required for cell proliferation in inflammation and cancer. Studies from our group indicate that β-catenin activation in colitis and colorectal cancer (CRC) correlates with increased nuclear levels of β-catenin phosphorylated at serine 552 (pβ-Cat552). Biochemical analysis of nuclear extracts from cancer biopsies revealed the existence of low molecular weight (LMW) pβ-Cat552, increased to the exclusion of full size (FS) forms of β-catenin. LMW β-catenin lacks both termini, leaving residues in the armadillo repeat intact...
January 12, 2018: Scientific Reports
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
#12
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/29243023/lef-1-is-a-sensitive-marker-of-cribriform-morular-variant-of-papillary-thyroid-carcinoma
#13
Shalini Mohindra, Hany Sakr, Charles Sturgis, Deborah J Chute
Cribriform morular variant of PTC (CMV-PTC) frequently shows activation of the CTNNB1/Wnt pathway with nuclear accumulation of beta catenin. The utility of LEF-1, also in the CTNNB1/WNT pathway, in the diagnosis of CMV-PTC has not been previously studied. LEF-1 immunohistochemistry was performed on seven CMV-PTC, 52 benign cases and 101 malignant thyroid neoplasms. LEF-1 was scored by stain intensity (0 = no nuclear stain, 1 = weak nuclear stain, less than lymphocyte and 2 = strong nuclear stain, intense as lymphocyte) and percentage of positive cells at each intensity, for a maximum total score of 200...
December 14, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/29242604/ribosomal-protein-s15a-promotes-tumor-angiogenesis-via-enhancing-wnt-%C3%AE-catenin-induced-fgf18-expression-in-hepatocellular-carcinoma
#14
Pengyi Guo, Yi Wang, Chunxiu Dai, Chonglin Tao, Fang Wu, Xiaozai Xie, Haitao Yu, Qiandong Zhu, Junjian Li, Longyun Ye, Fuxiang Yu, Yunfeng Shan, Zhengping Yu, Renumathy Dhanasekaran, Rongyuan Zheng, Gang Chen
Ribosomal protein s15a (RPS15A) plays a promotive role in the mRNA/ribosome interactions during early translation. Our previous study has found that inhibiting RPS15A expression can decrease proliferation and induce cell cycle arrest in hepatocellular carcinoma (HCC) cell lines. However, the mechanism underlying the involvement of RPS15A in HCC pathogenesis and the clinical significance of RPS15A expression remain unclear. In this study, an evaluation of RPS15A expression in 110 surgically resected HCCs and matched tumor-adjacent normal tissues revealed an overexpression of RPS15A in HCC, which was correlated with worse survival...
December 15, 2017: Oncogene
https://www.readbyqxmd.com/read/29233839/genetics-of-tumors-of-the-adrenal-cortex
#15
Fidéline Bonnet-Serrano, Jerome Bertherat
This review describes the molecular alterations observed in the various types of tumors of the adrenal cortex, excluding Conn adenomas, especially the alterations identified by genomic approaches these last five years. Two main forms of bilateral adrenocortical tumors can be distinguished according to size and aspect of the nodules: primary pigmented nodular adrenal disease (PPNAD) which can be sporadic or part of Carney complex, and primary bilateral macro nodular adrenal hyperplasia (PBMAH). The bilateral nature of tumors suggests the existence of an underlying genetic predisposition...
December 12, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29233068/altered-functional-expression-of-%C3%AE-adrenergic-receptors-in-rhesus-monkey-embryonic-stem-cell-derived-cardiomyocytes
#16
Nermeen Ahmed Mohamed Eldabah, Erastus Nembu Nembo, Judith Semmler, Marina Penner, Marek Molcanyi, Rania Swelem, Amina Hassab, Juergen Hescheler, Filomain Nguemo
Pluripotent stem cells have demonstrated the potential to generate large numbers of functional cardiomyocytes (CMs) from different cell sources. Besides Wnt signaling, additional pathways are involved in early cardiac development and function. To date however, no study exists showing the effects of perturbing the canonical Wnt pathway using non-human primate embryonic stem (ES) cells. Here we investigated the effect of canonical Wnt inhibition during differentiation of non-human primate ES cell-derived CMs under defined, growth factors conditions...
December 12, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/29216763/upregulated-mir-29c-suppresses-silica-induced-lung-fibrosis-through-the-wnt-%C3%AE-catenin-pathway-in-mice
#17
X Wang, K Xu, X Y Yang, J Liu, Q Zeng, F S Wang
Silicosis is an irreversible lung disease resulting from long-term inhalation of occupational dust containing silicon dioxide. However, the pathogenesis of silicosis has not been clearly understood yet. Accumulating evidence suggests that miR-29 may have a significant anti-fibrotic capacity, meanwhile it may relate to Wnt/β-catenin pathway. The purpose of this study was to discuss the role of miR-29 in the progression of silicosis. A lentiviral vector was constructed, named Lv-miR-29c, which was overexpressing miR-29c...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29212159/lef1-tfe3-and-ar-are-putative-diagnostic-markers-of-solid-pseudopapillary-neoplasms
#18
Eun Kyung Kim, Mi Jang, Minhee Park, Hoguen Kim
The diagnosis of solid pseudopapillary neoplasms (SPNs) is challenging because some SPNs share many similar morphological and immunohistochemical features with other pancreatic neoplasms. In this study, we investigated potential diagnostic markers of SPN. Based on the SPN-specific upregulated genes from a previous DNA microarray and proteome study, we selected six immunohistochemical markers [beta-catenin, androgen receptor (AR), lymphoid enhancer-binding factor 1 (LEF1), transcription factor for immunoglobulin heavy-chain enhancer 3 (TFE3), fused in sarcoma (FUS), and WNT inhibitory factor 1 (WIF-1)]...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29169144/targeting-the-wnt-beta-catenin-pathway-in-cancer-update-on-effectors-and-inhibitors
#19
REVIEW
Nithya Krishnamurthy, Razelle Kurzrock
The Wnt/beta-catenin pathway is a family of proteins that is implicated in many vital cellular functions such as stem cell regeneration and organogenesis. Several intra-cellular signal transduction pathways are induced by Wnt, notably the Wnt/beta-catenin dependent pathway or canonical pathway and the non-canonical or beta-catenin-independent pathway; the latter includes the Wnt/Ca2+ and Planar Cell Polarity pathway (PCP). Wnt activation occurs at the intestinal crypt floor, and is critical to optimal maintenance of stem cells...
January 2018: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29163478/editorial-cross-talk-mechanisms-of-wnt-beta-catenin-signaling-components-with-tlr-activated-signaling-molecules-in-the-inflammatory-response
#20
EDITORIAL
Víctor M Baizabal-Aguirre
No abstract text is available yet for this article.
2017: Frontiers in Immunology
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