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https://www.readbyqxmd.com/read/29213079/human-cd26high-t-cells-elicit-tumor-immunity-against-multiple-malignancies-via-enhanced-migration-and-persistence
#1
Stefanie R Bailey, Michelle H Nelson, Kinga Majchrzak, Jacob S Bowers, Megan M Wyatt, Aubrey S Smith, Lillian R Neal, Keisuke Shirai, Carmine Carpenito, Carl H June, Michael J Zilliox, Chrystal M Paulos
CD8+ T lymphocytes mediate potent immune responses against tumor, but the role of human CD4+ T cell subsets in cancer immunotherapy remains ill-defined. Herein, we exhibit that CD26 identifies three T helper subsets with distinct immunological properties in both healthy individuals and cancer patients. Although CD26neg T cells possess a regulatory phenotype, CD26int T cells are mainly naive and CD26high T cells appear terminally differentiated and exhausted. Paradoxically, CD26high T cells persist in and regress multiple solid tumors following adoptive cell transfer...
December 6, 2017: Nature Communications
https://www.readbyqxmd.com/read/29212159/lef1-tfe3-and-ar-are-putative-diagnostic-markers-of-solid-pseudopapillary-neoplasms
#2
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/29180475/distinct-tp63-isoform-driven-transcriptional-signatures-predict-tumor-progression-and-clinical-outcomes
#3
Hussein Abbas, Ngoc Hoang Bao Bui, Kimal Rajapakshe, Justin Wong, Preethi Gunaratne, Kenneth Y Tsai, Cristian Coarfa, Elsa R Flores
TP63 is required to maintain stem cell pluripotency and suppresses the metastatic potential of cancer cells through multiple mechanisms. These functions are differentially regulated by individual isoforms, necessitating a deeper understanding of how the distinct transcriptional programs controlled by these isoforms affect cancer progression and outcomes. In this study, we conducted a pan-cancer analysis of The Cancer Genome Atlas (TCGA) to identify transcriptional networks regulated by TAp63 and ΔNp63 using transcriptomes derived from epidermal cells of TAp63-/- and ΔNp63-/- mice...
November 27, 2017: Cancer Research
https://www.readbyqxmd.com/read/29163160/aberrant-wnt-beta-catenin-pathway-activation-in-dialysate-induced-peritoneal-fibrosis
#4
Yuanyuan Guo, Lin Sun, Li Xiao, Rong Gou, Yudong Fang, Yan Liang, Ruiqiang Wang, Ningjun Li, Fuyou Liu, Lin Tang
Peritoneal dialysis (PD)-associated peritoneal fibrosis is a chronic progress which induces ultrafiltration failure. It remains a challenge to prevent the progression of PD-associated fibrosis in clinic practice. Wnt/β-catenin pathway plays important role in many severe fibrotic diseases, here we investigated its contribution to the development of peritoneal damage. We isolated mesothelial cells (MC) from the effluent of PD patients and found that the expressions of Wnt1, Wnt5a, β-catenin, and LEF1 were increased in patients with more than 1-year PD compared with patients who just started with PD (<1 month)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29148101/homeobox-protein-msx-1-inhibits-expression-of-bone-morphogenetic-protein-2-bone-morphogenetic-protein-4-and-lymphoid-enhancer-binding-factor-1-via-wnt-%C3%AE-catenin-signaling-to-prevent-differentiation-of-dental-mesenchymal-cells-during-the-late-bell-stage
#5
Xiao-Yu Feng, Xiao-Shan Wu, Jin-Song Wang, Chun-Mei Zhang, Song-Lin Wang
Homeobox protein MSX-1 (hereafter referred to as MSX-1) is essential for early tooth-germ development. Tooth-germ development is arrested at bud stage in Msx1 knockout mice, which prompted us to study the functions of MSX-1 beyond this stage. Here, we investigated the roles of MSX-1 during late bell stage. Mesenchymal cells of the mandibular first molar were isolated from mice at embryonic day (E)17.5 and cultured in vitro. We determined the expression levels of β-catenin, bone morphogenetic protein 2 (Bmp2), Bmp4, and lymphoid enhancer-binding factor 1 (Lef1) after knockdown or overexpression of Msx1...
November 17, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/29138985/effects-of-microrna-708-on-epithelial-mesenchymal-transition-cell-proliferation-and-apoptosis-in-melanoma-cells-by-targeting-lef1-through-the-wnt-signaling-pathway
#6
Xiao-Fei Song, Qi-Hua Wang, Ran Huo
This study was conducted in order to elucidate the role microRNA-708 (miR-708) plays between proliferation, invasion, migration, and epithelial-mesenchymal transition (EMT) involving melanoma cells by targeting using LEF1 through the Wnt signaling pathway. Male Kunming mice were selected and subsequently divided into normal and model groups to take part in this study. Following cell line selection, the B16 cells with the highest miR-708 expression were selected and assigned into the control, blank, negative control (NC), miR-708 mimic, miR-708 inhibitor, siRNA-LEF1, and miR-708 inhibitor + siRNA-LEF1 groups...
November 14, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29121993/transcriptomic-analyses-reveal-the-underlying-pro-malignant-functions-of-pthr1-for-osteosarcoma-via-activation-of-wnt-and-angiogenesis-pathways
#7
Shenglong Li, Yujin Dong, Ke Wang, Zhe Wang, Xiaojing Zhang
BACKGROUND: Increasing evidence has indicated parathyroid hormone type 1 receptor (PTHR1) plays important roles for the development and progression of osteosarcoma (OS). However, its function mechanisms remain unclear. The goal of this study was to further illuminate the roles of PTHR1 in OS using microarray data. METHODS: Microarray data were available from the Gene Expression Omnibus database under the accession number GSE46861, including six tumors from mice with PTHR1 knockdown (PTHR1...
November 9, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29120400/fibrin-enhanced-canonical-wnt-signaling-directs-plasminogen-expression-in-cementoblasts
#8
Saeed Ur Rahman, Chan Ho Park, Jeong-Hwa Baek, Hyun-Mo Ryoo, Kyung Mi Woo
Cementum is a mineralized layer on the tooth's root surface and facilitates the biomechanical anchoring of fibrous connective tissues as a part of tooth-supportive complexes. Previously, we observed that OCCM30 cementoblasts cultured on fibrin matrices underwent apoptosis due to fibrin degradation through the expression of proteases. Here, we demonstrated that OCCM30 on fibrin matrices (OCCM30-fibrin) enhanced canonical Wnt signaling, which directed to plasminogen expression. The OCCM30-fibrin showed higher levels of Wnt3a expression, nuclear translocation of β-catenin, and T-cell factor (TCF) optimal motif (TOP) reporter activity than the cells on tissue culture dishes (OCCM30-TCD), indicating that the OCCM30-fibrin enhanced canonical Wnt/β-catenin signaling...
November 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29079199/chd8short-a-naturally-occurring-truncated-form-of-a-chromatin-remodeler-lacking-the-helicase-domain-is-a-potent-transcriptional-coregulator
#9
Gary R Kunkel, Jessica A Tracy, Frank L Jalufka, Arne C Lekven
Chromodomain-Helicase-DNA binding protein 8 (CHD8) is a member of a large family of eukaryotic ATP-dependent chromatin remodeling complexes. Loss of function alleles of human chd8 are correlated with autism spectrum disorder. The CHD subfamily members contain a tandem pair of chromodomains that are adjacent to a centrally located Snf2-like helicase domain. An alternatively spliced variant mRNA of CHD8 was identified years ago in mammals that encode a truncated form of the protein, called Duplin, that lacks the helicase domain and everything else in the carboxyl direction...
January 30, 2018: Gene
https://www.readbyqxmd.com/read/29065140/novel-insights-into-the-pathways-regulating-the-canine-hair-cycle-and-their-deregulation-in-alopecia-x
#10
Magdalena A T Brunner, Vidhya Jagannathan, Dominik P Waluk, Petra Roosje, Monika Linek, Lucia Panakova, Tosso Leeb, Dominique J Wiener, Monika M Welle
Alopecia X is a hair cycle arrest disorder in Pomeranians. Histologically, kenogen and telogen hair follicles predominate, whereas anagen follicles are sparse. The induction of anagen relies on the activation of hair follicle stem cells and their subsequent proliferation and differentiation. Stem cell function depends on finely tuned interactions of signaling molecules and transcription factors, which are not well defined in dogs. We performed transcriptome profiling on skin biopsies to analyze altered molecular pathways in alopecia X...
2017: PloS One
https://www.readbyqxmd.com/read/29050326/different-effection-of-p-1125val-ala-and-rs11954856-in-apc-on-wnt-signaling-pathway
#11
Fei-Feng Li, Zhi-Xun Zhao, Peng Yan, Song Wang, Zheng Liu, Qiong Zhang, Xiao-Ning Zhang, Chang-Hao Sun, Xi-Shan Wang, Gui-Yu Wang, Shu-Lin Liu
Colorectal cancer (CRC) is among the most common and fatal forms of solid tumors worldwide and more than two thirds of CRC and adenomas patients have APC gene mutations. APC is a key regulator in the Wnt/β-catenin signaling pathway but its roles in CRC remains to be elucidated. In this study, we compared APC genes between CRC patients and controls to determine possible associations of nucleotide changes in the APC gene with the pathways involved in CRC pathogenesis. All participants received physical and enteroscopic examinations...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29036275/porcupine-dependent-wnt-activity-within-the-uterine-epithelium-is-essential-for-fertility
#12
Omar Farah, Steffen Biechele, Janet Rossant, Daniel Dufort
The secretion of mammalian Wnt ligands within the cell is dependent on the activity of Porcupine, a gene located on the X-chromosome that encodes for a membrane bound o-acyl transferase. Here, we report that post-natal ablation of Porcupine in the uterine luminal epithelium alone results in the decrease in endometrial gland number. Despite having uterine glands, mutant females are completely infertile. Epithelial ablation of Porcupine causes defects in timely apposition of the lumen, along with failure to respond to artificial decidual induction...
October 4, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29028954/1-benzyl-indole-3-carbinol-is-a-highly-potent-new-small-molecule-inhibitor-of-wnt-%C3%AE-catenin-signaling-in-melanoma-cells-that-coordinately-inhibits-cell-proliferation-and-disrupts-expression-of-microphthalmia-associated-transcription-factor-isoform-m
#13
Aishwarya Kundu, Michelle G Khouri, Sheila Aryana, Gary L Firestone
1-Benzyl-indole-3-carbinol (1-benzyl-I3C), a synthetic analogue of the crucifer derived natural phytochemical I3C, displayed significantly wider sensitivity and anti-proliferative potency in melanoma cells than the natural compound. Unlike I3C, which targets mainly oncogenic BRAF-expressing cells, 1-benzyl I3C effectively inhibited proliferation of melanoma cells with a more extensive range of mutational profiles, including those expressing wild type BRAF. In both cultured melanoma cell lines and in vivo in melanoma cell-derived tumor xenografts, 1-benzyl-I3C disrupted canonical Wnt/β-catenin signaling that resulted in the down regulation of β-catenin protein levels with a concomitant increase in levels of the β-catenin destruction complex components GSK3β and Axin...
September 23, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29020614/gene-editing-in-rat-embryonic-stem-cells-to-produce-in%C3%A2-vitro-models-and-in%C3%A2-vivo-reporters
#14
Yaoyao Chen, Sonia Spitzer, Sylvia Agathou, Ragnhildur Thora Karadottir, Austin Smith
Rat embryonic stem cells (ESCs) offer the potential for sophisticated genome engineering in this valuable biomedical model species. However, germline transmission has been rare following conventional homologous recombination and clonal selection. Here, we used the CRISPR/Cas9 system to target genomic mutations and insertions. We first evaluated utility for directed mutagenesis and recovered clones with biallelic deletions in Lef1. Mutant cells exhibited reduced sensitivity to glycogen synthase kinase 3 inhibition during self-renewal...
October 10, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28982712/tfcp2l1-represses-multiple-lineage-commitment-of-mouse-embryonic-stem-cells-through-mta1-and-lef1
#15
Kuisheng Liu, Yan Zhang, Dahai Liu, Qi-Long Ying, Shoudong Ye
Tfcp2l1 is a transcription factor critical for mouse embryonic stem cell (mESC) self-renewal. How Tfcp2l1 maintains the pluripotent state of mESCs, however, remains unknown. Here, we show that knockdown of Tfcp2l1 in mESCs induces the expression of endoderm, mesoderm and trophectoderm markers. Functional analysis of mutant forms of Tfcp2l1 revealed that Tfcp2l1 depends on its N terminus and CP2-like domain to maintain the undifferentiated state of mESCs. The N terminus of Tfcp2l1 is mainly associated with the suppression of mesoderm and trophectoderm differentiation, while the CP2-like domain is closely related to the suppression of endoderm commitment...
October 5, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28978307/mir-216b-inhibits-cell-proliferation-by-targeting-foxm1-in-cervical-cancer-cells-and-is-associated-with-better-prognosis
#16
Shanyang He, Bing Liao, Yalan Deng, Chang Su, Jiuling Tuo, Jun Liu, Shuzhong Yao, Lin Xu
BACKGROUND: Our previous study showed FOXM1 expression was significantly up-regulated in cervical cancer, and was associated with poor prognosis. To clarify miRNAs-FOXM1 modulation pathways, in this study, we investigated the relationships between miR-216b and FOXM1 and the role of miR-216b in cell proliferation and prognosis of cervical cancer patients. METHODS: Western blotting and qPCR were used to determine expression of FOXM1, cell cycle related factors and miR-216b level...
October 4, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28963476/comparative-transcriptome-analysis-of-mink-neovison-vison-skin-reveals-the-key-genes-involved-in-the-melanogenesis-of-black-and-white-coat-colour
#17
Xingchao Song, Chao Xu, Zongyue Liu, Zhigang Yue, Linling Liu, Tongao Yang, Bo Cong, Fuhe Yang
Farmed mink (Neovison vison) is one of the most important fur-bearing species worldwide, and coat colour is a crucial qualitative characteristic that contributes to the economic value of the fur. To identify additional genes that may play important roles in coat colour regulation, Illumina/Solexa high-throughput sequencing technology was used to catalogue the global gene expression profiles in mink skin with two different coat colours (black and white). RNA-seq analysis indicated that a total of 12,557 genes were differentially expressed in black versus white minks, with 3,530 genes up-regulated and 9,027 genes down-regulated in black minks...
September 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28955954/lgr4-is-required-for-sequential-molar-development
#18
Yukiko Yamakami, Koki Kohashi, Kazunori Oyama, Yasuaki Mohri, Shizu Hidema, Katsuhiko Nishimori
Tooth development requires proliferation, differentiation, and specific migration of dental epithelial cells, through well-organized signaling interactions with mesenchymal cells. Recently, it has been reported that leucine-rich repeat-containing G protein coupled receptor 4 (LGR4), the receptor of R-spondins, is expressed in many epithelial cells in various organs and tissues and is essential for organ development and stem cell maintenance. Here, we report that LGR4 contributes to the sequential development of molars in mice...
December 2016: Biochemistry and Biophysics Reports
https://www.readbyqxmd.com/read/28947883/network-analysis-based-on-tcga-reveals-hub-genes-in-colon-cancer
#19
Fenzan Wu, Guoping Yuan, Junjie Chen, Chengzu Wang
Colorectal cancer (CRC) is the third most widespread cancer in the world. Although many advances have been made in molecular biology, novel approaches are still required to reveal molecular mechanisms for the diagnosis and therapy of colon cancer. In this study, we aimed to determine and analyse the hub genes of CRC. First, we explored the mRNA and microRNA (miRNA) expression profiles of colon carcinoma, then we screened target genes of differentially expressed miRNAs and obtained the intersection between differently expressed genes and target genes...
2017: Contemporary Oncology Współczesna Onkologia
https://www.readbyqxmd.com/read/28944964/wnt-%C3%AE-catenin-and-erk-pathway-activation-a-possible-mechanism-of-photobiomodulation-therapy-with-light-emitting-diodes-that-regulate-the-proliferation-of-human-outer-root-sheath-cells
#20
Jung E Kim, Young J Woo, Ki M Sohn, Kwan H Jeong, Hoon Kang
BACKGROUND: Outer root sheath cells (ORSCs) play important roles in maintaining hair follicle structure and provide support for the bulge area. The hair growth promoting effects of photobiomodulation therapy (PBMT) have been reported, but the mechanisms for this in human ORCs (hORSCs) have rarely been studied. OBJECTIVE: The aim of this study was to investigate the effect of various wavelengths of light-emitting diode (LED) irradiation on human ORSCs (hORSCs). METHODS: LED irradiation effects on hORSC proliferation and migration were examined with MTT assay, BrdU incorporation assay and migration assays...
September 25, 2017: Lasers in Surgery and Medicine
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