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https://www.readbyqxmd.com/read/28636109/xq26-1-26-3-duplication-including-mospd1-and-gpc3-identified-in-boy-with-short-stature-and-double-outlet-right-ventricle
#1
Yukiko Hirota, Takaomi Minami, Tomoyuki Sato, Akiko Yokomizo, Auimi Matsumoto, Masahide Goto, Eriko Jinbo, Takanori Yamamgata
Xq25q26 duplication syndrome has been reported in individuals with clinical features such as short stature, intellectual disability, syndromic facial appearance, small hands and feet, and genital abnormalities. The symptoms are related to critical chromosome regions including Xq26.1-26.3. In this particular syndrome, no patient with congenital heart disease was previously reported. Here, we report a 6-year-old boy with typical symptoms of Xq25q26 duplication syndrome and double outlet right ventricle (DORV) with pulmonary atresia (PA)...
June 21, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28628273/exposure-of-induced-pluripotent-stem-cell-derived-vascular-endothelial-and-smooth-muscle-cells-in-coculture-to-hemodynamics-induces-primary-vascular-cell-like-phenotypes
#2
Maria S Collado, Banumathi K Cole, Robert A Figler, Mark Lawson, David Manka, Michael B Simmers, Steve Hoang, Felipe Serrano, Brett R Blackman, Sanjay Sinha, Brian R Wamhoff
Human induced pluripotent stem cells (iPSCs) can be differentiated into vascular endothelial (iEC) and smooth muscle (iSMC) cells. However, because iECs and iSMCs are not derived from an intact blood vessel, they represent an immature phenotype. Hemodynamics and heterotypic cell:cell communication play important roles in vascular cell phenotypic modulation. Here we tested the hypothesis that hemodynamic exposure of iECs in coculture with iSMCs induces an in vivo-like phenotype. iECs and iSMCs were cocultured under vascular region-specific blood flow hemodynamics, and compared to hemodynamic cocultures of blood vessel-derived endothelial (pEC) and smooth muscle (pSMC) cells...
June 19, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28627514/simultaneous-overactivation-of-wnt-%C3%AE-catenin-and-tgf%C3%AE-signalling-by-mir-128-3p-confers-chemoresistance-associated-metastasis-in-nsclc
#3
Junchao Cai, Lishan Fang, Yongbo Huang, Rong Li, Xiaonan Xu, Zhihuang Hu, Le Zhang, Yi Yang, Xun Zhu, Heng Zhang, Jueheng Wu, Yan Huang, Jun Li, Musheng Zeng, Erwei Song, Yukai He, Li Zhang, Mengfeng Li
Cancer chemoresistance and metastasis are tightly associated features. However, whether they share common molecular mechanisms and thus can be targeted with one common strategy remain unclear in non-small cell lung cancer (NSCLC). Here, we report that high levels of microRNA-128-3p (miR-128-3p) is key to concomitant development of chemoresistance and metastasis in residual NSCLC cells having survived repeated chemotherapy and correlates with chemoresistance, aggressiveness and poor prognosis in NSCLC patients...
June 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28627210/lactobacillus-rhamnosusgg-reduces-hepatic-fibrosis-in-a-model-of-chronic-liver-disease-in-rats
#4
Thais Ortiz Hammes, Renata Leke, Thayssa Dalla Costa Escobar, Laisa Beduschi Fracasso, Fabiola Schons Meyer, Michael Éverton Andrades, Themis Reverbel da Silveira
BACKGROUND: The intestinal dysbiosis is common in chronic liver disease and can induce to inflammatory responses and mediate the collagen deposition in the liver. AIM: To evaluate the probiotic Lactobacillus rhamnosus GG (LGG) for the treatment of liver fibrosis in a model of chronic cholestatic liver disease in rats. METHODS: Male adult Wistar rats (n = 29) were submitted to common bile duct ligation (BDL groups) or manipulation of common bile duct without ligation (Ctrl groups)...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28626608/c-kit-modifies-the-inflammatory-status-of-smooth-muscle-cells
#5
Lei Song, Laisel Martinez, Zachary M Zigmond, Diana R Hernandez, Roberta M Lassance-Soares, Guillermo Selman, Roberto I Vazquez-Padron
BACKGROUND: c-Kit is a receptor tyrosine kinase present in multiple cell types, including vascular smooth muscle cells (SMC). However, little is known about how c-Kit influences SMC biology and vascular pathogenesis. METHODS: High-throughput microarray assays and in silico pathway analysis were used to identify differentially expressed genes between primary c-Kit deficient (Kit(W/W-v)) and control (Kit(+/+)) SMC. Quantitative real-time RT-PCR and functional assays further confirmed the differences in gene expression and pro-inflammatory pathway regulation between both SMC populations...
2017: PeerJ
https://www.readbyqxmd.com/read/28625921/binding-of-coronin-1b-to-t%C3%AE-ri-negatively-regulates-the-tgf%C3%AE-1-signaling-pathway
#6
Geun-Young Kim, Hyun-Joung Lim, Hyun-Young Park
Coronin 1B is an actin-binding protein that regulates several actin-dependent cellular processes including migration and endocytosis. However, the role of coronin 1B in the tumor growth factor (TGF)β signaling pathway is largely unknown. Here, we investigated whether coronin 1B affects the TGFβ signaling cascade and found that coronin 1B negatively regulates the TGFβ signaling pathway. Immunoprecipitation and glutathione-S-transferase-pulldown assays revealed that coronin 1B directly associated with TGFβ receptor I (TβRI)...
June 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28625142/proteotoxic-stress-desensitizes-tgf-beta-signaling-through-receptor-downregulation-in-retinal-pigment-epithelial-cells
#7
X Tan, C Chen, Y Zhu, J Deng, X Qiu, S Huang, F Shang, B Cheng, Y Liu
BACKGROUND: Transforming growth factor (TGFβ)-induced epithelial-mesenchymal transition (EMT) and proteotoxic stress are two main contributors of intraocular fibrotic disorders, including proliferative vitreoretinopathy (PVR) and proliferative diabetic retinopathy (PDR). However, how these two factors communicate with each other is not well-characterized. OBJECTIVE: The aim was to investigate the regulatory role of proteotoxic stress on TGFβ signaling in retinal pigment epithelium...
June 19, 2017: Current Molecular Medicine
https://www.readbyqxmd.com/read/28622443/mir-2909-regulates-isgylation-system-via-stat1-signalling-through-negative-regulation-of-socs3-in-prostate-cancer
#8
Shiekh Gazalla Ayub, Deepak Kaul
One of the well-document strategies adopted by tumour cells for progression is to evade immune surveillance mechanisms. An understanding of the tight interaction between immunity and progression of cancer can provide novel treatment options for different malignancies including prostate cancer (PCa). Here, we have shown that AATF genome encoded miR-2909, known to play role both in immunity and cancer upregulates various interferon stimulating genes (ISGs) including ISGylation system through STAT1. Our results revealed that miR-2909 up-regulates STAT1 through negative regulation of SOCS3 and not through up-regulation of Type 1 interferon (IFN) production...
June 16, 2017: Andrology
https://www.readbyqxmd.com/read/28622298/tgf%C3%AE-pathway-limits-dedifferentiation-following-wnt-and-mapk-pathway-activation-to-suppress-intestinal-tumourigenesis
#9
Patrizia Cammareri, David F Vincent, Michael C Hodder, Rachel A Ridgway, Claudio Murgia, Max Nobis, Andrew D Campbell, Julia Varga, David J Huels, Chithra Subramani, Katie L H Prescott, Colin Nixon, Ann Hedley, Simon T Barry, Florian R Greten, Gareth J Inman, Owen J Sansom
Recent studies have suggested increased plasticity of differentiated cells within the intestine to act both as intestinal stem cells (ISCs) and tumour-initiating cells. However, little is known of the processes that regulate this plasticity. Our previous work has shown that activating mutations of Kras or the NF-κB pathway can drive dedifferentiation of intestinal cells lacking Apc. To investigate this process further, we profiled both cells undergoing dedifferentiation in vitro and tumours generated from these cells in vivo by gene expression analysis...
June 16, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28620964/does-gene-expression-in-laryngeal-sub-sites-differ-between-patients-with-laryngopharyngeal-reflux-and-controls
#10
John M Wood, Damian J Hussey, Charmaine M Woods, David Astill, David I Watson, Bernard Lee, A Simon Carney
OBJECTIVE: to identify laryngeal mRNA gene changes in patients with laryngopharyngeal reflux (LPR). METHOD: Laryngeal biopsies from non-smoking LPR patients (n=10; Reflux Symptom Index (RSI) >12 and a Reflux Finding Score (RFS) >6) and controls (n=9; RSI <12 and RFS <6) were collected from 4 sub-sites (true vocal cord, false vocal cord, medial arytenoid, posterior commissure) of the larynx. qRT-PCR analyses were conducted on 20 reflux and inflammation related genes, including interleukin 6 and 8, cytokeratin 8 and 14, mucin genes MUC 1, 2, 3B, 4, 5B, 6 & 7, and carbonic anhydrase III...
June 16, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28612601/classification-of-bladder-cancer-patients-via-penalized-linear-discriminant-analysis
#11
Hadi Raeisi Shahraki, Peyman Bemani, Maryam Jalali
Objectives: In order to identify genes with the greatest contribution to bladder cancer, we proposed a sparse model making the best discrimination from other patients. Methods: In a cross-sectional study, 22 genes with a key role in most cancers were considered in 21 bladder cancer patients and 14 participants of the same age (± 3 years) without bladder cancer in Shiraz city, Southern Iran. Real time-PCR was carried out using SYBR Green and for each of the 22 target genes 2-Δct as a quantitative index of gene expression was reported...
May 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28611673/reversing-egfr-mediated-immunoescape-by-targeted-monoclonal-antibody-therapy
#12
REVIEW
Fernando Concha-Benavente, Robert L Ferris
Uncontrolled growth is a signature of carcinogenesis, in part mediated by overexpression or overstimulation of growth factor receptors. The epidermal growth factor receptor (EGFR) mediates activation of multiple oncogenic signaling pathways and escape from recognition by the host immune system. We discuss how EGFR signaling downregulates tumor antigen presentation, upregulates suppressive checkpoint receptor ligand programmed death ligand (PD-L1), induces secretion of inhibitory molecules such as transforming growth factor beta (TGFβ) and reprograms the metabolic pathways in cancer cells to upregulate aerobic glycolysis and lactate secretion that ultimately lead to impaired cellular immunity mediated by natural killer (NK) cell and cytotoxic T lymphocytes (CTL)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28608978/sexual-dimorphism-in-the-inflammatory-response-to-traumatic-brain-injury
#13
Sonia Villapol, David J Loane, Mark P Burns
The activation of resident microglial cells, alongside the infiltration of peripheral macrophages, are key neuroinflammatory responses to traumatic brain injury (TBI) that are directly associated with neuronal death. Sexual disparities in response to TBI have been previously reported; however it is unclear whether a sex difference exists in neuroinflammatory progression after TBI. We exposed male and female mice to moderate-to-severe controlled cortical impact injury and studied glial cell activation in the acute and chronic stages of TBI using immunofluorescence and in situ hybridization analysis...
June 13, 2017: Glia
https://www.readbyqxmd.com/read/28605812/transforming-growth-factor-%C3%AE-1-induced-nadph-oxidase-4-expression-and-fibrotic-response-in-conjunctival-fibroblasts
#14
Karl David Brown, Manisha H Shah, Guei-Sheung Liu, Elsa C Chan, Jonathan G Crowston, Hitesh M Peshavariya
Purpose: Fibrotic scarring after ocular surgeries and chemical burn injuries can impede clarity of the cornea and cause vision impairment. Transforming growth factor β (TGFβ) signaling pathway is known to mediate fibrotic scarring, and NADPH oxidase-derived reactive oxygen species has been shown to be an effector molecule that facilitates TGFβ1-mediated responses. The present study explores the expression profile and functional importance of NADPH oxidase (Nox) in conjunctival fibroblasts...
June 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28605329/immunohistochemical-profile-of-tumor-pathways-and-prognostic-significance-in-colon-adenocarcinomas
#15
Serkan Senol, Ayse Bahar Ceyran, Duygu Kösemetin, Bengü Gobanoglu, Dincer Aydin, Esra Akdeniz Duran, Metin Leblebici
The current study examined the immunohistochemical expression levels of molecules on carcinogenesis pathway and evaluated their clinicopathologic significance in colorectal adenocarcinoma (CRA). A total of 189 CRA and 20 colonic mucosal tissue samples were evaluated by immunohistochemical staining using 38 antibodies targeting the known molecules that play roles in developmental pathways of various tumors. The immunoexpression data of the patients were compared to clinicopathologic parameters. Expression loss of MLH1, MSH2, MSH6, PMS2, PTEN, Smad4 and E-cadherin, and overexpression of ALDH1, CD44, CAIX, P504S (AMACR), TGFΒ, and ZEB1 were statistically significant in CRA compared to normal colon mucosa...
2017: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/28602980/suppression-of-akt1-%C3%AE-catenin-pathway-in-advanced-prostate-cancer-promotes-tgf%C3%AE-1-mediated-epithelial-to-mesenchymal-transition-and-metastasis
#16
Fei Gao, Abdulrahman Alwhaibi, Harika Sabbineni, Arti Verma, Wael Eldahshan, Payaningal R Somanath
Akt1 is essential for the oncogenic transformation and tumor growth in various cancers. However, the precise role of Akt1 in advanced cancers is conflicting. Using a neuroendocrine TRansgenic Adenocarcinoma of the Mouse Prostate (TRAMP) model, we first show that the genetic ablation or pharmacological inhibition of Akt1 in mice blunts oncogenic transformation and prostate cancer (PCa) growth. Intriguingly, triciribine (TCBN)-mediated Akt inhibition in 25-week old, tumor-bearing TRAMP mice and Akt1 gene silencing in aggressive PCa cells enhanced epithelial to mesenchymal transition (EMT) and promoted metastasis to the lungs...
June 7, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28602823/structural-basis-for-specific-interaction-of-tgf%C3%AE-signaling-regulators-sara-endofin-with-hd-ptp
#17
Deepankar Gahloth, Colin Levy, Louise Walker, Lydia Wunderley, A Paul Mould, Sandra Taylor, Philip Woodman, Lydia Tabernero
SARA and endofin are endosomal adaptor proteins that drive Smad phosphorylation by ligand-activated transforming growth factor β/bone morphogenetic protein (TGFβ/BMP) receptors. We show in this study that SARA and endofin also recruit the tumor supressor HD-PTP, a master regulator of endosomal sorting and ESCRT-dependent receptor downregulation. High-affinity interactions occur between the SARA/endofin N termini, and the conserved hydrophobic region in the HD-PTP Bro1 domain that binds CHMP4/ESCRT-III. CHMP4 engagement is a universal feature of Bro1 proteins, but SARA/endofin binding is specific to HD-PTP...
May 30, 2017: Structure
https://www.readbyqxmd.com/read/28596553/hematopoietic-id-deletion-triggers-endomyocardial-fibrotic-and-vascular-defects-in-the-adult-heart
#18
Corey Chang, Qingshi Zhao, J Patrick Gonzalez, Jung H Kim, Kamal Alzahrani, Dominic Del Re, Diego Fraidenraich
Inhibitor of DNA binding (Id) proteins play important roles in regulating cardiac development via paracrine signaling. Id1/Id3 knockout mice die at mid-gestation with multiple cardiac defects. Single Id knockout studies have not reported cardiomyopathies. To bypass embryonic lethality we used Tie2CRE-mediated recombination to conditionally delete Id1 against global Id3 ablation (Id cDKOs), which develops adult-onset dilated cardiomyopathy. We confirm upregulation of thrombospondin-1 (TSP1) in Id cDKO hearts...
June 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28595619/cytokine-treatment-optimises-the-immunotherapeutic-effects-of-umbilical-cord-derived-msc-for-treatment-of-inflammatory-liver-disease
#19
Samantha F H de Witte, Ana M Merino, Marcella Franquesa, Tanja Strini, Johanna A A van Zoggel, Sander S Korevaar, Franka Luk, Madhu Gargesha, Lisa O'Flynn, Debashish Roy, Steve J Elliman, Philip N Newsome, Carla C Baan, Martin J Hoogduijn
BACKGROUND: Mesenchymal stromal cells (MSC) possess immunomodulatory properties and low immunogenicity, both crucial properties for their development into an effective cellular immunotherapy. They have shown benefit in clinical trials targeting liver diseases; however the efficacy of MSC therapy will benefit from improvement of the immunomodulatory and immunogenic properties of MSC. METHODS: MSC derived from human umbilical cords (ucMSC) were treated for 3 days in vitro with various inflammatory factors, interleukins, vitamins and serum deprivation...
June 8, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28592892/noncanocial-cell-death-program-independent-of-caspase-activation-cascade-and-necroptotic-modules-is-elicited-by-loss-of-tgf%C3%AE-activated-kinase-1
#20
September R Mihaly, Yosuke Sakamachi, Jun Ninomiya-Tsuji, Sho Morioka
Programmed cell death (PCD) occurs in several forms including apoptosis and necroptosis. Apoptosis is executed by the activation of caspases, while necroptosis is dependent on the receptor interacting protein kinase 3 (RIPK3). Precise control of cell death is crucial for tissue homeostasis. Indeed, necroptosis is triggered by caspase inhibition to ensure cell death. Here we identified a previously uncharacterized cell death pathway regulated by TAK1, which is unexpectedly provoked by inhibition of caspase activity and necroptosis cascades...
June 7, 2017: Scientific Reports
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