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https://www.readbyqxmd.com/read/29780898/sumoylation-and-phosphorylation-cross-talk-in-hepatocellular-carcinoma
#1
REVIEW
Maria Lauda Tomasi, Komal Ramani
Hepatocellular carcinoma (HCC) is a primary malignancy of the liver and occurs predominantly in patients with underlying chronic liver disease and cirrhosis. The large spectrum of protein post-translational modification (PTM) includes numerous critical signaling events that occur during neoplastic transformation. PTMs occur to nearly all proteins and increase the functional diversity of proteins. We have reviewed the role of two major PTMs, SUMOylation and phosphorylation, in the altered signaling of key players in HCC...
2018: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29775417/targeting-histone-methyltransferase-enhancer-of-zeste-homolog-2-inhibits-renal-epithelial-mesenchymal-transition-and-attenuates-renal-fibrosis
#2
Xiaoxu Zhou, Chongxiang Xiong, Evelyn Tolbert, Ting C Zhao, George Bayliss, Shougang Zhuang
Enhancer of zeste homolog-2 (EZH2) is a methyltransferase that induces histone H3 lysine 27 trimethylation (H3K27me3) and functions as an oncogenic factor in many cancer types. Its role in renal epithelial-mesenchymal transition (EMT) remains unknown. In this study, we found that EZH2 and H3K27me3 were highly expressed in mouse kidney with unilateral ureteral obstruction and cultured mouse kidney proximal tubular (TKPT) cells undergoing EMT. Inhibition of EZH2 with 3-deazaneplanocin A (3-DZNeP) attenuated renal fibrosis, which was associated with preserving E-cadherin expression and inhibiting Vimentin up-regulation in the obstructed kidney...
May 18, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29774524/%C3%AE-e-catenin-is-a-candidate-tumor-suppressor-for-the-development-of-e-cadherin-expressing-lobular-type-breast-cancer
#3
Jolien S de Groot, Max A K Rätze, Miranda van Amersfoort, Tanja Eisemann, Eva J Vlug, Mijanou T Niklaas, Suet-Feung Chin, Carlos Caldas, Paul J van Diest, Jos Jonkers, Johan de Rooij, Patrick W B Derksen
Mutational inactivation of E-cadherin (CDH1) is the main driver of invasive lobular breast cancer (ILC), although approximately 10-15% of all ILCs retain membrane-localized E-cadherin, despite the presence of an apparent non-cohesive and invasive lobular growth pattern. Given that ILC is dependent on constitutive actomyosin contraction for tumor development and progression, we used a combination of cell systems and in vivo experiments to investigate the consequences of α-catenin (CTNNA1) loss in the regulation of anchorage independence of non-invasive breast carcinoma...
May 17, 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29771416/long-non-coding-rna-duxap8-regulates-proliferation-and-invasion-of-esophageal-squamous-cell-cancer
#4
L-J Xu, X-J Yu, B Wei, H-X Hui, Y Sun, J Dai, X-F Chen
OBJECTIVE: The purpose of this research was to detect the expression of long non-coding RNA DUXAP8 in esophageal cancer, and to explore its underlying mechanism in the development of esophageal squamous cell carcinoma (ESCC). PATIENTS AND METHODS: We collected 78 pairs of esophageal cancer tissues and normal adjacent tissues. The mRNA level of DUXAP8 in these esophageal cancer tissues and corresponding adjacent tissues was detected by quantitative Real-time polymerase chain reaction (qRT-PCR)...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29771406/bay-11-7082-induces-apoptosis-of-multiple-myeloma-u266-cells-through-inhibiting-nf-%C3%AE%C2%BAb-pathway
#5
Y Wang, X-L Zhang, C-M Sun
OBJECTIVE: To study the effects of BAY-11-7082 on proliferation and apoptosis of U266 cells and its mechanism of action. MATERIALS AND METHODS: Multiple myelomas U266 cells were cultured and divided into control group and gradient-concentration BAY-11-7082 groups (1 μmol/L, 2 μmol/L, 4 μmol/L and 8 μmol/L). Cells in BAY-11-7082 groups were treated with drugs in different concentrations for 4 h, while those in control group were added with an equal volume of solvent...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29770198/recent-advances-in-managing-understanding-meningioma
#6
REVIEW
Nawal Shaikh, Karan Dixit, Jeffrey Raizer
Meningiomas are the most common adult primary intracranial tumor. Despite their higher incidence, there have not-until recently-been as many advances in understanding and managing meningiomas. Thus far, two broad classes of meningiomas have emerged on the basis of their mutational profile: those driven by neurofibromatosis 2 (NF2) inactivation and those with non-NF2 driver gene alterations, such as mammalian target of rapamycin and Hedgehog, Wingless/b-catenin, Notch, transforming growth factor-b receptor, mitogen-activated protein kinase, and phospholipase C pathway alterations...
2018: F1000Research
https://www.readbyqxmd.com/read/29769480/5-hydroxy-4-nitro-7-propionyloxy-genistein-inhibited-invasion-and-metastasis-via-inactivating-wnt-b-catenin-signal-pathway-in-human-endometrial-carcinoma-ji-endometrial-cells
#7
Jun Bai, Xin Luo
BACKGROUND Chemotherapy has been assuring more important roles in the treatment of carcinoma. Developing new types of drugs with less adverse effects and low drug resistance has become an important researching focus. The present study aimed to investigate the anticancer effects of 5-hydroxy-4'-nitro-7-propionyloxy-genistein (HNPG) and to elucidate its underlying molecular mechanism. MATERIAL AND METHODS The inhibitory effects of cell viability of HNPG were detected using 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) assay, flat plate clone formation method, and Transwell assay...
May 17, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29769196/an-in-vivo-screen-identifies-pygo2-as-a-driver-for-metastatic-prostate-cancer
#8
Xin Lu, Xiaolu Pan, Chang-Jiun Wu, Di Zhao, Shan Feng, Yong Zang, Rumi Lee, Sunada Khadka, Samirkumar B Amin, Eun-Jung Jin, Xiaoying Shang, Pingna Deng, Yanting Luo, William R Morgenlander, Jacqueline Weinrich, Xuemin Lu, Shan Jiang, Qing Chang, Nora M Navone, Patricia Troncoso, Ronald A DePinho, Y Alan Wang
Advanced prostate cancer displays conspicuous chromosomal instability and rampant copy number aberrations, yet the identity of functional drivers resident in many amplicons remain elusive. Here, we implemented a functional genomics approach to identify new oncogenes involved in prostate cancer progression. Through integrated analyses of focal amplicons in large prostate cancer genomic and transcriptomic datasets as well as genes upregulated in metastasis, 276 putative oncogenes were enlisted into an in vivo gain-of-function tumorigenesis screen...
May 16, 2018: Cancer Research
https://www.readbyqxmd.com/read/29767687/hormone-responsive-genes-in-the-shh-and-wnt-%C3%AE-catenin-signaling-pathways-influence-urethral-closure-and-phallus-growth
#9
Yu Chen, Hongshi Yu, Andrew J Pask, Asao Fujiyama, Yutaka Suzuki, Sumio Sugano, Geoff Shaw, Marilyn B Renfree
Environmental endocrine disruptors (EEDs) that affect androgen or estrogen activity may disrupt gene regulation during normal phallus development to cause hypospadias or a masculinized clitoris. We treated developing male tammar wallabies with estrogen and females with androgen from day 20-40 postpartum (pp) during the established androgen imprinting window. Administration of estrogen to males inhibited phallus elongation but had no effect on urethral closure and did not significantly depress testicular androgen synthesis...
May 14, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29763645/agmatine-potentiates-neuroprotective-effects-of-subthreshold-concentrations-of-ketamine-via-mtor-s6-kinase-signaling-pathway
#10
Mauren K Tavares, Suellen Dos Reis, Nicolle Platt, Isabella A Heinrich, Ingrid A V Wolin, Rodrigo B Leal, Manuella P Kaster, Ana Lúcia S Rodrigues, Andiara E Freitas
Dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis is one of the most robust neurobiological findings in the pathophysiology of major depressive disorder (MDD) over the last 40 years. The persistent increase in glucocorticoids levels induces morphological and anatomical changes in the brain, especially in the hippocampus. Ketamine represents a major advance for the treatment of MDD, however the psychotomimetic effects of this compound limit its widespread use. Agmatine is a neuromodulator that has been shown to be a putative novel and well-tolerated antidepressant/augmenter drug...
May 12, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29738529/identifying-novel-strategies-for-treating-human-hair-loss-disorders-cyclosporine-a-suppresses-the-wnt-inhibitor-sfrp1-in-the-dermal-papilla-of-human-scalp-hair-follicles
#11
Nathan J Hawkshaw, Jonathan A Hardman, Iain S Haslam, Asim Shahmalak, Amos Gilhar, Xinhong Lim, Ralf Paus
Hair growth disorders often carry a major psychological burden. Therefore, more effective human hair growth-modulatory agents urgently need to be developed. Here, we used the hypertrichosis-inducing immunosuppressant, Cyclosporine A (CsA), as a lead compound to identify new hair growth-promoting molecular targets. Through microarray analysis we identified the Wnt inhibitor, secreted frizzled related protein 1 (SFRP1), as being down-regulated in the dermal papilla (DP) of CsA-treated human scalp hair follicles (HFs) ex vivo...
May 2018: PLoS Biology
https://www.readbyqxmd.com/read/29729074/liver-regeneration-accelerates-hepatitis-b-virus-related-tumorigenesis-of-hepatocellular-carcinoma
#12
Chiao-Fang Teng, Hong-Yi Chang, Hung-Wen Tsai, Wen-Chuan Hsieh, Yu-Hao Kuo, Ih-Jen Su, Yih-Jyh Lin
Although partial hepatectomy (PH) to remove tumors provides a potential cure of hepatocellular carcinoma (HCC), long-term survival of hepatitis B virus (HBV)-related HCC patients after PH remains a big challenge. Early recurrence within two years post-PH is associated with the dissemination of primary HCC. However, late recurrence after two years post-PH is supposed due to the de novo or a secondary tumor. Since PH initiates liver regeneration (LR), we hypothesize that LR may accelerate tumorigenesis through activation of pre-existing precancerous lesions in the remaining liver...
May 4, 2018: Molecular Oncology
https://www.readbyqxmd.com/read/29726981/dickkopf-3-in-aberrant-endothelial-secretome-triggers-renal-fibroblast-activation-and-endothelial-mesenchymal-transition
#13
Mark Lipphardt, Hassan Dihazi, Noo Li Jeon, Sina Dadafarin, Brian B Ratliff, David W Rowe, Gerhard A Müller, Michael S Goligorsky
Background: Our laboratory has previously demonstrated that Sirt1endo-/- mice show endothelial dysfunction and exaggerated renal fibrosis, whereas mice with silenced endothelial transforming growth factor beta (TGF-β) signaling are resistant to fibrogenic signals. Considering the fact that the only difference between these mutant mice is confined to the vascular endothelium, this indicates that secreted substances contribute to these contrasting responses. Methods: We performed an unbiased proteomic analysis of the secretome of renal microvascular endothelial cells (RMVECs) isolated from these two mutants...
May 3, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29726283/lactobacillus-plantarum-is-10506-activates-intestinal-stem-cells-in-a-rodent-model
#14
A F Athiyyah, A Darma, R Ranuh, W Riawan, A Endaryanto, F A Rantam, I S Surono, S M Sudarmo
This study investigated the probiotic effect of Lactobacillus plantarum IS-10506 in activating and regenerating leucine-rich repeat-containing G-protein-coupled receptor (Lgr)5- and B lymphoma Moloney murine leukaemia virus insertion region (Bmi)1-expressing intestinal stem cells in rodents following Escherichia coli serotype 055:B5 lipopolysaccharide (LPS) exposure. Male Sprague-Dawley rats (n=64) were randomised into control (KN), LPS (KL), probiotic + LPS (KL-Pr), and sequential probiotic + LPS + probiotic (KPR-7L) groups...
May 4, 2018: Beneficial Microbes
https://www.readbyqxmd.com/read/29706964/crosstalk-between-peroxisome-proliferator-activated-receptor-gamma-and-the-canonical-wnt-%C3%AE-catenin-pathway-in-chronic-inflammation-and-oxidative-stress-during-carcinogenesis
#15
REVIEW
Alexandre Vallée, Yves Lecarpentier
Inflammation and oxidative stress are common and co-substantial pathological processes accompanying, promoting, and even initiating numerous cancers. The canonical WNT/β-catenin pathway and peroxisome proliferator-activated receptor gamma (PPARγ) generally work in opposition. If one of them is upregulated, the other one is downregulated and vice versa . WNT/β-catenin signaling is upregulated in inflammatory processes and oxidative stress and in many cancers, although there are some exceptions for cancers...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29706467/hpv-molecular-pathways-and-targets
#16
REVIEW
Shilpi Gupta, Prabhat Kumar, Bhudev C Das
Infection of high-risk human papillomaviruses (HPVs) is a prerequisite for the development of cervical carcinoma. HPV infections are also implicated in the development of other types of carcinomas. Chronic or persistent infection of HPV is essential but HPV alone is inadequate, additional endogenous or exogenous cues are needed along with HPV to induce cervical carcinogenesis. The strategies that high-risk HPVs have developed in differentiating epithelial cells to reach a DNA-synthesis competent state leading to tumorigenic transformation are basically due to overexpression of the E6 and E7 oncoproteins and the activation of diverse cellular regulatory or signaling pathways that are targeted by them...
April 5, 2018: Current Problems in Cancer
https://www.readbyqxmd.com/read/29699020/-construction-of-cochlear-progenitor-cells-with-recombinant-short-hairpin-rna-lentiviral-vector-inhibiting-the-expression-of-the-%C3%AE-catenin-gene
#17
P Xu, M Zhang, L Sun, L Fan, B Cui, X J Yu, Q Zeng, Q Gu
Objective: To construct a recombinant short-hairpin RNA (shRNA) lentiviral vector targeting the β-catenin gene in cochlear precursor cells (CPCs) in mice, and to investigate its inhibitory effect. Methods: PCR was used for the multiplication of the β-catenin gene, and shRNA oligo was designed based on the β-catenin gene to construct an interference vector. Gateway Technology was used to construct shRNA lentiviral vector which carried the β-catenin gene, and then 293FT cells were transfected with the constructed lentiviral vector and helper plasmids pLV/helper-SL3, pLV/helper-SL4, and pLV/helper-SL5...
February 20, 2018: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/29693240/comparative-study-of-%C3%AE-catenin-and-cd44-immunoexpression-in-oral-lichen-planus-and-squamous-cell-carcinoma
#18
Massoumeh Zargaran, Fahimeh Baghaei, Abbas Moghimbeigi
BACKGROUND: Dysfunction of adhesion molecules is believed to play an early and important role in developing cancer. Accordingly, this study aims to compare beta-catenin (β-catenin) and CD44 expression in oral lichen planus (OLP) as a condition with malignant potential and oral squamous cell carcinoma (OSCC). METHODS: β-Catenin and CD44 expression were evaluated in 15 patients with epithelial hyperplasia (group A), 20 OLP (group B), and 20 OSCC (group C) by immunohistochemistry...
April 24, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29693167/hbx-promotes-the-proliferative-ability-of-hl%C3%A2-7702-cells-via-the-cox%C3%A2-2-wnt-%C3%AE-%C3%A2-catenin-pathway
#19
Bi-Yun Zheng, Wen-Yu Gao, Xiao-Yun Huang, Li-Ying Lin, Xue-Fen Fang, Zhi-Xin Chen, Xiao-Zhong Wang
Hepatitis B virus X protein (HBx) has been termed a viral oncoprotein, and is involved in the initiation and progression of hepatocellular carcinoma (HCC). Cyclooxygenase‑2 (COX‑2) and β‑catenin have been attributed to the oncogenic activity of HBx in HBV‑associated HCC. The present study aimed to determine whether there is crosstalk between COX‑2 and the Wnt/β‑catenin signaling pathway during HL‑7702‑HBx cell proliferation, and to investigate the associated underlying molecular mechanism...
April 20, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29693154/emodin-inhibits-epithelial%C3%A2-mesenchymal-transition-and-metastasis-of-triple-negative-breast-cancer-via-antagonism-of-cc%C3%A2-chemokine-ligand-5-secreted-from-adipocytes
#20
Xiaoyun Song, Xiqiu Zhou, Yuenong Qin, Jianfeng Yang, Yu Wang, Zhenping Sun, Kui Yu, Shuai Zhang, Sheng Liu
Triple negative breast cancer (TNBC) has the lowest survival rate of the breast cancer subtypes owing to its aggressive and metastatic behavior. It has been reported that peritumoral adipose tissue contributes to the cell invasiveness and dissemination of TNBC. Emodin is an active anthraquinone derivative isolated from Rheum palmatum, with anticancer properties that have been reported to inhibit lung metastasis in a nude mouse xenograft model. In the present study, the effects of emodin on human TNBC cells and adipocytes were investigated in vivo and in vitro...
April 23, 2018: International Journal of Molecular Medicine
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