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https://www.readbyqxmd.com/read/28822958/therapeutic-molecules-against-type-2-diabetes-what-we-have-and-what-are-we-expecting
#1
REVIEW
Ashwini Kumar, Sudhanshu Kumar Bharti, Awanish Kumar
World Health Organization (WHO) has identified diabetes as one of the fastest growing non-communicable diseases with 422 million patients around the world in 2014. Diabetes, a metabolic disease, is characterized primarily by hyperglycemia which results in various macrovascular and microvascular complications like cardiovascular disease and neuropathies which can significantly deteriorate the quality of life. The body either does not manufactures enough insulin (type 1 diabetes or T1DM) or becomes insensitive to physiologically secreted insulin or both (type 2 diabetes or T2DM)...
April 9, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28796175/suppression-of-wnt-signaling-and-osteogenic-changes-in-vascular-smooth-muscle-cells-by-eicosapentaenoic-acid
#2
Yukihiro Saito, Kazufumi Nakamura, Daiji Miura, Kei Yunoki, Toru Miyoshi, Masashi Yoshida, Norifumi Kawakita, Tomonari Kimura, Megumi Kondo, Toshihiro Sarashina, Satoshi Akagi, Atsuyuki Watanabe, Nobuhiro Nishii, Hiroshi Morita, Hiroshi Ito
Vascular medial calcification is often observed in patients with arteriosclerosis. It is also associated with systolic hypertension, wide pulse pressure, and fluctuation of blood pressure, which results in cardiovascular events. Eicosapentaenoic acid (EPA) has been shown to suppress vascular calcification in previous animal experiments. We investigated the inhibitory effects of EPA on Wnt signaling, which is one of the important signaling pathways involved in vascular calcification. Intake of food containing 5% EPA resulted in upregulation of the mRNA expression of Klotho, an intrinsic inhibitor of Wnt signaling, in the kidneys of wild-type mice...
August 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28790065/gsk-3-inhibition-drives-maturation-of-nk-cells-and-enhances-their-antitumor-activity
#3
Frank Cichocki, Bahram Valamehr, Ryan Bjordahl, Bin Zhang, Betsy Rezner, Paul Rogers, Svetlana Gaidarova, Stacey K Moreno, Katie Tuininga, Phillip Dougherty, Valarie McCullar, Peter Howard, Dhifaf Sarhan, Emily Taras, Heinrich Schlums, Stewart E Abbot, Daniel Shoemaker, Yenan T Bryceson, Bruce R Blazar, Scott Wolchko, Sarah Cooley, Jeffrey S Miller
Maturation of human natural killer cells (NK cells) as defined by accumulation of cell surface expression of CD57 is associated with increased cytotoxic character and TNF and IFN-γ production upon target cell recognition. Notably, multiple studies point to a unique role for CD57(+) NK cells in cancer immunosurveillance, yet there is scant information about how they mature. In this study, we show that pharmacological inhibition of GSK3 kinase in peripheral blood NK cells expanded ex vivo with IL-15 greatly enhances CD57 upregulation and late-stage maturation...
August 8, 2017: Cancer Research
https://www.readbyqxmd.com/read/28772260/microrna-27a-promotes-the-proliferation-and-invasiveness-of-colon-cancer-cells-by-targeting-sfrp1-through-the-wnt-%C3%AE-catenin-signaling-pathway
#4
Sang Ba, Yi Xuan, Zi-Wen Long, Hai-Yong Chen, Shu-Sen Zheng
OBJECTIVE: This study aims to explore the effects of microRNA-27a (miR-27a) on the proliferation and invasiveness of colon cancer cells through the Secreted Frizzled-related protein 1 (SFRP1) and the Wnt/β-catenin signaling pathway. METHODS: Colon cancer tissues and adjacent normal tissues from 125 colon cancer patients, together with the HCEpic, HCT-116, HT-29, SW480 and SW620 cell lines, were prepared for this study. The transfected HCT-116 cells were divided into the miR-27a mimics, miR-27a-NC, anti-miR-27a, blank, Lv-SFRP1, Lv-NC, and miR-27a mimics + Lv-SFRP1 groups...
August 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28761071/phosphopredict-a-bioinformatics-tool-for-prediction-of-human-kinase-specific-phosphorylation-substrates-and-sites-by-integrating-heterogeneous-feature-selection
#5
Jiangning Song, Huilin Wang, Jiawei Wang, André Leier, Tatiana Marquez-Lago, Bingjiao Yang, Ziding Zhang, Tatsuya Akutsu, Geoffrey I Webb, Roger J Daly
Protein phosphorylation is a major form of post-translational modification (PTM) that regulates diverse cellular processes. In silico methods for phosphorylation site prediction can provide a useful and complementary strategy for complete phosphoproteome annotation. Here, we present a novel bioinformatics tool, PhosphoPredict, that combines protein sequence and functional features to predict kinase-specific substrates and their associated phosphorylation sites for 12 human kinases and kinase families, including ATM, CDKs, GSK-3, MAPKs, PKA, PKB, PKC, and SRC...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28747658/a-single-amino-acid-substitution-confers-b-cell-clonogenic-activity-to-the-hiv-1-matrix-protein-p17
#6
Cinzia Giagulli, Pasqualina D'Ursi, Wangxiao He, Simone Zorzan, Francesca Caccuri, Kristen Varney, Alessandro Orro, Stefania Marsico, Benoît Otjacques, Carlo Laudanna, Luciano Milanesi, Riccardo Dolcetti, Simona Fiorentini, Wuyuan Lu, Arnaldo Caruso
Recent data highlight the presence, in HIV-1-seropositive patients with lymphoma, of p17 variants (vp17s) endowed with B-cell clonogenicity, suggesting a role of vp17s in lymphomagenesis. We investigated the mechanisms responsible for the functional disparity on B cells between a wild-type p17 (refp17) and a vp17 named S75X. Here, we show that a single Arginine (R) to Glycine (G) mutation at position 76 in the refp17 backbone (p17R76G), as in the S75X variant, is per se sufficient to confer a B-cell clonogenic potential to the viral protein and modulate, through activation of the PTEN/PI3K/Akt signaling pathway, different molecules involved in apoptosis inhibition (CASP-9, CASP-7, DFF-45, NPM, YWHAZ, Src, PAX2, MAPK8), cell cycle promotion and cancer progression (CDK1, CDK2, CDK8, CHEK1, CHEK2, GSK-3 beta, NPM, PAK1, PP2C-alpha)...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28738501/inhibition-of-glycogen-synthase-kinase-3-increased-subventricular-zone-stem-cells-proliferation
#7
Narges Pachenari, Sahar Kiani, Mohammad Javan
The effects of Wnt signaling modifiers on cell proliferation, seem to be cell specific. Enhancing the proliferation of subventricular zone (SVZ) progenitors has been in the focus of research in recent years. Here we investigate the effect of CHIR99021, a Glycogen Synthase Kinase 3 (GSk-3) inhibitor, on SVZ progenitor's proliferation both in vivo and in vitro. Neural stem cells were extracted from the adult C57bl/6 by mincing and trypsin treatment followed by culturing in specific medium. Sphere cells formed within about 7-10days and were characterized by immunostaining...
September 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28714566/gsk-3%C3%AE-activation-index-is-a-potential-indicator-for-recurrent-inflammation-of-chronic-rhinosinusitis-without-nasal-polyps
#8
Haiyu Hong, Fenghong Chen, Yongkang Qiao, Yan Yan, Rongkai Zhang, Zhe Zhu, Huabin Li, Yunping Fan, Geng Xu
Chronic rhinosinusitis without nasal polyps (CRSsNP) is one of the most common otorhinolaryngologic diseases worldwide. However, the underlying mechanism remains unclear. In this study, the expression of glycogen synthase kinase 3 (GSK-3) was quantitatively evaluated in patients with CRSsNP (n = 20) and healthy controls (n = 20). The mRNA levels of GSK-3α and GSK-3β were examined by qPCR, the immunoreactivities of GSK-3β and nuclear factor-κB (NF-κB) were examined by immunohistochemistry (IHC) staining, and the protein levels of GSK-3β, phospho-GSK-3β (p-GSK-3β, s9) and NF-κB were examined using Western blot analysis...
July 17, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28712664/gsk3-and-its-interactions-with-the-pi3k-akt-mtor-signalling-network
#9
REVIEW
Miguel A Hermida, J Dinesh Kumar, Nick R Leslie
Glycogen Synthase Kinase-3 (GSK3 or GSK-3) is a promiscuous protein kinase and its phosphorylation of its diverse substrates has major influences on many areas of physiology and pathology, including cellular metabolism, lineage commitment and neuroscience. GSK3 was one of the first identified substrates of the heavily studied oncogenic kinase AKT, phosphorylation by which inhibits GSK3 activity via the formation of an autoinhibitory pseudosubstrate sequence. This has led to investigation of the role of GSK3 inhibition as a key component of the cellular responses to growth factors and insulin, which stimulate the class I PI 3-Kinases and in turn AKT activity and GSK3 phosphorylation...
June 27, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28705437/gsk-3-signaling-in-health
#10
EDITORIAL
James A McCubrey, Lucio Cocco
No abstract text is available yet for this article.
July 1, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28700668/conditional-cell-reprogramming-involves-non-canonical-%C3%AE-catenin-activation-and-mtor-mediated-inactivation-of-akt
#11
Frank A Suprynowicz, Christopher M Kamonjoh, Ewa Krawczyk, Seema Agarwal, Anton Wellstein, Fadeke A Agboke, Sujata Choudhury, Xuefeng Liu, Richard Schlegel
The combination of irradiated fibroblast feeder cells and Rho kinase inhibitor, Y-267362, converts primary epithelial cells growing in vitro into an undifferentiated adult stem cell-like state that is characterized by long-term proliferation. This cell culture method also maintains the proliferation of adult epithelial stem cells from various tissues. Both primary and adult stem cells retain their tissue-specific differentiation potential upon removal of the culture conditions. Due to the ability to modulate the proliferation and differentiation of the cells, this method is referred to as conditional reprogramming and it is increasingly being used in studies of tumor heterogeneity, personalized medicine and regenerative medicine...
2017: PloS One
https://www.readbyqxmd.com/read/28689772/characterization-and-function-of-a-%C3%AE-catenin-homolog-from-litopenaeus-vannamei-in-wssv-infection
#12
Jiazhen Sun, Lingwei Ruan, Congzhao Zhou, Hong Shi, Xun Xu
As a conserved signaling pathway, Wnt/β-catenin signaling pathway participates in many physiological activities, including cell differentiation, apoptosis and so on. β-catenin is the key molecule of Wnt/β-catenin signaling pathway and plays a pivotal role. In this article, a β-catenin homolog from Litopenaeus vannamei (designed as Lv-β-catenin) was cloned and its role in WSSV infection was investigated. Sequence analysis suggested that Lv-β-catenin had characters of β-catenin family. Semi-quantitative RT-PCR showed that Lv-β-catenin transcripted in all detected tissues...
July 6, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28672195/combination-treatment-with-the-gsk-3-inhibitor-9-ing-41-and-ccnu-cures-orthotopic-chemoresistant-glioblastoma-in-patient-derived-xenograft-models
#13
Andrey Ugolkov, Wenan Qiang, Gennadiy Bondarenko, Daniel Procissi, Irina Gaisina, C David James, James Chandler, Alan Kozikowski, Hendra Gunosewoyo, Thomas O'Halloran, Jeffrey Raizer, Andrew P Mazar
Resistance to chemotherapy remains a major challenge in the treatment of human glioblastoma (GBM). Glycogen synthase kinase-3β (GSK-3β), a positive regulator of NF-κB-mediated survival and chemoresistance of cancer cells, has been identified as a potential therapeutic target in human GBM. Our objective was to determine the antitumor effect of GSK-3 inhibitor 9-ING-41 in combination with chemotherapy in patient-derived xenograft (PDX) models of human GBM. We utilized chemoresistant PDX models of GBM, GBM6 and GBM12, to study the effect of 9-ING-41 used alone and in combination with chemotherapy on tumor progression and survival...
August 2017: Translational Oncology
https://www.readbyqxmd.com/read/28664915/kinase-driven-metabolic-signalling-as-a-predictor-of-response-to-carboplatin-paclitaxel-adjuvant-treatment-in-advanced-ovarian-cancers
#14
Maria Isabella Sereni, Elisa Baldelli, Guido Gambara, Antonella Ravaggi, K Alex Hodge, David S Alberts, Jose M Guillen-Rodriguez, Ting Dong, Maurizio Memo, Franco Odicino, Roberto Angioli, Lance A Liotta, Sergio L Pecorelli, Emanuel F Petricoin, Mariaelena Pierobon
BACKGROUND: The biological mechanisms underlying early- and advanced-stage epithelial ovarian cancers (EOCs) are still poorly understood. This study explored kinase-driven metabolic signalling in early and advanced EOCs, and its role in tumour progression and response to carboplatin-paclitaxel treatment. METHODS: Tumour epithelia were isolated from two independent sets of primary EOC (n=72 and 30 for the discovery and the validation sets, respectively) via laser capture microdissection...
August 8, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28656644/activation-of-gsk-3-disrupts-cholinergic-homoeostasis-in-nucleus-basalis-of-meynert-and-frontal-cortex-of-rats
#15
Yue Wang, Qing Tian, En-Jie Liu, Li Zhao, Jie Song, Xin-An Liu, Qing-Guo Ren, Xia Jiang, Juan Zeng, Yu-Tao Yang, Jian-Zhi Wang
The cholinergic impairment is an early marker in Alzheimer's disease (AD), while the mechanisms are not fully understood. We investigated here the effects of glycogen synthase kinse-3 (GSK-3) activation on the cholinergic homoeostasis in nucleus basalis of Meynert (NBM) and frontal cortex, the cholinergic enriched regions. We activated GSK-3 by lateral ventricular infusion of wortmannin (WT) and GF-109203X (GFX), the inhibitors of phosphoinositol-3 kinase (PI3-K) and protein kinase C (PKC), respectively, and significantly decreased the acetylcholine (ACh) level via inhibiting choline acetyl transferase (ChAT) rather than regulating acetylcholinesterase (AChE)...
June 28, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28656239/erythropoietin-ameliorates-pa-induced-insulin-resistance-through-the-irs-akt-foxo1-and-gsk-3%C3%AE-signaling-pathway-and-inhibits-the-inflammatory-response-in-hepg2-cells
#16
Hong Zhang, Zhijuan Ge, Sunyinyan Tang, Ran Meng, Yan Bi, Dalong Zhu
Erythropoietin (EPO) contributes to insulin resistance in fat and muscle. In the present study, the role and mechanism of EPO in hepatic insulin resistance were investigated in HepG2 cells. Hepatic insulin resistance was induced by palmitic acid (PA) in the HepG2 cells, which were then treated with EPO (5 or 10 U/ml) or specific phosphoinositide 3‑kinase (PI3K) inhibitors, wortmannin or LY294002. EPO treatment significantly increased glycogen levels and reduced the protein expression of phosphoenolpyruvate carboxykinase in the PA‑induced HepG2 cells...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28648006/-0-5-gy-x-ray-radiation-promotes-osteoblast-differentiation-by-wnt-%C3%AE-catenin-signaling
#17
M Chen, Q R Dong, Q Huang, C She, W Xu
Objective: To investigate the important roles of Wnt signaling in the processes of 0.5Gy X-ray promoting osteoblast differentiation, and make clear the molecular mechanisms involved. Methods: Flow cytometry was employed to detect the apoptosis after osteoblast exposure to 0.5 Gy X-ray radiation.The protein level of osteoblast differentiation markers, such as collagen Iα (Col1α), alkaline phosphatase (ALP), osteocalcin (OCN), were detected by Western-blot and ALP activity staining was performed. Real-time PCR and Western-blot were utilized to evaluate the variations of key factors in Wnt signaling pathways, while specific inhibitor of Wnt/β-Catenin, XAV939 was used to block the Wnt signaling...
June 20, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28623166/casein-kinase-ii-ck2-glycogen-synthase-kinase-3-gsk-3-and-ikaros-mediated-regulation-of-leukemia
#18
REVIEW
Chandrika Gowda, Mario Soliman, Malika Kapadia, Yali Ding, Kimberly Payne, Sinisa Dovat
Signaling networks that regulate cellular proliferation often involve complex interactions between several signaling pathways. In this manuscript we review the crosstalk between the Casein Kinase II (CK2) and Glycogen Synthase Kinase-3 (GSK-3) pathways that plays a critical role in the regulation of cellular proliferation in leukemia. Both CK2 and GSK-3 are potential targets for anti-leukemia treatment. Previously published data suggest that CK2 and GSK-3 act synergistically to promote the phosphatidylinositol-3 kinase (PI3K) pathway via phosphorylation of PTEN...
June 13, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28619606/pivotal-roles-of-glycogen-synthase-3-in-hepatocellular-carcinoma
#19
REVIEW
Melchiorre Cervello, Giuseppa Augello, Antonella Cusimano, Maria Rita Emma, Daniele Balasus, Antonina Azzolina, James A McCubrey, Giuseppe Montalto
Hepatocellular carcinoma (HCC) is one of the most common cancers in the world, and represents the second most frequently cancer and third most common cause of death from cancer worldwide. At advanced stage, HCC is a highly aggressive tumor with a poor prognosis and with very limited response to common therapies. Therefore, there is still the need for new effective and well-tolerated therapeutic strategies. Molecular-targeted therapies hold promise for HCC treatment. One promising molecular target is the multifunctional serine/threonine kinase glycogen synthase kinase 3 (GSK-3)...
June 6, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28596475/enhanced-efficacy-of-akt-and-fak-kinase-combined-inhibition-in-squamous-cell-lung-carcinomas-with-stable-reduction-in-pten
#20
Andrea Cavazzoni, Silvia La Monica, Roberta Alfieri, Andrea Ravelli, Nele Van Der Steen, Rocco Sciarrillo, Denise Madeddu, Costanza Anna Maria Lagrasta, Federico Quaini, Mara Bonelli, Claudia Fumarola, Daniele Cretella, Graziana Digiacomo, Marcello Tiseo, Godefridus J Peters, Andrea Ardizzoni, Pier Giorgio Petronini, Elisa Giovannetti
Squamous cell lung carcinoma (SCC) accounts for 30% of patients with NSCLC and to date, no molecular targeted agents are approved for this type of tumor. However, recent studies have revealed several oncogenic mutations in SCC patients, including an alteration of the PI3K/AKT pathway, i.e. PI3K point mutations and amplification, AKT mutations and loss or reduced PTEN expression. Prompted by our observation of a correlation between PTEN loss and FAK phosphorylation in a cohort of patients with stage IV SCC, we evaluated the relevance of PTEN loss in cancer progression as well as the efficacy of a new combined treatment with the pan PI3K inhibitor buparlisip and the FAK inhibitor defactinib...
May 23, 2017: Oncotarget
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