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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
#1
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
#2
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
#3
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
#4
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
#5
Jiazhen Sun, Lingwei Ruan, 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
#6
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...
June 30, 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
#7
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...
June 29, 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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/28589081/inhibitory-effect-of-1-8-cineol-on-%C3%AE-catenin-regulation-wnt11-expression-and-cellular-progression-in-hnscc
#14
Anna Roettger, Karl-Ludwig Bruchhage, Maren Drenckhan, Kirsten Ploetze-Martin, Ralph Pries, Barbara Wollenberg
OBJECTIVES: Head and neck squamous cell carcinoma (HNSCC) is one of the most common tumors worldwide. The high mortality rates have not changed during the last three decades, and thus there is an enormous need for innovative therapy approaches. Several recent studies suggest an important role of the Wnt/β-catenin signaling pathway in the tumorigenesis of HNSCC. We analyzed the effect of the monoterpene oxide 1,8-cineol on the regulation of the Wnt/β-catenin signaling pathway and the cellular progression of different HNSCC cell lines...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28588029/tgf-%C3%AE-inhibits-il-7-induced-proliferation-in-memory-but-not-naive-human-cd4-t-cells
#15
Thao P Nguyen, Scott F Sieg
TGF-β is a potent suppressor of T cell activation and expansion. Although the antiproliferative effects of TGF-β are well characterized in TCR-activated cells, the effects of TGF-β on T cell proliferation driven by homeostatic cytokines, such as IL-7, are poorly defined. In the current study, we found that TGF-β inhibits IL-7-induced proliferation in memory, but not in naive human CD4(+) T cells. TGF-β impaired c-myc induction in all CD4(+) T cell maturation subsets, although the impairment was less sustained in naive CD4(+) T cells...
June 6, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28584168/palmitate-and-oleate-exert-differential-effects-on-insulin-signalling-and-glucose-uptake-in-human-skeletal-muscle-cells
#16
Selina Mäkinen, Yen H Nguyen, Paulina Skrobuk, Heikki A Koistinen
Saturated fatty acids are implicated in the development of insulin resistance, whereas unsaturated fatty acids may have a protective effect on metabolism. We tested in primary human myotubes if insulin resistance induced by saturated fatty acid palmitate can be ameliorated by concomitant exposure to unsaturated fatty acid oleate. Primary human myotubes were pretreated with palmitate, oleate or their combination for 12 h. Glucose uptake was determined by intracellular accumulation of [(3)H]-2-deoxy-d-glucose, insulin signalling and activation of endoplasmic reticulum (ER) stress by Western blotting, and mitochondrial reactive oxygen species (ROS) production by fluorescent dye MitoSOX...
July 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28579452/the-role-of-macf1-in-nervous-system-development-and-maintenance
#17
REVIEW
Jeffrey J Moffat, Minhan Ka, Eui-Man Jung, Amanda L Smith, Woo-Yang Kim
Microtubule-actin crosslinking factor 1 (MACF1), also known as actin crosslinking factor 7 (ACF7), is essential for proper modulation of actin and microtubule cytoskeletal networks. Most MACF1 isoforms are expressed broadly in the body, but some are exclusively found in the nervous system. Consequentially, MACF1 is integrally involved in multiple neural processes during development and in adulthood, including neurite outgrowth and neuronal migration. Furthermore, MACF1 participates in several signaling pathways, including the Wnt/β-catenin and GSK-3 signaling pathways, which regulate key cellular processes, such as proliferation and cell migration...
June 1, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28579298/regulation-of-gsk-3-activity-by-curcumin-berberine-and-resveratrol-potential-effects-on-multiple-diseases
#18
REVIEW
James A McCubrey, Kvin Lertpiriyapong, Linda S Steelman, Steve L Abrams, Lucio Cocco, Stefano Ratti, Alberto M Martelli, Saverio Candido, Massimo Libra, Giuseppe Montalto, Melchiorre Cervello, Agnieszka Gizak, Dariusz Rakus
Natural products or nutraceuticals promote anti-aging, anti-cancer and other health-enhancing effects. A key target of the effects of natural products may be the regulation of the PI3K/PTEN/Akt/mTORC1/GSK-3 pathway. This review will focus on the effects of curcumin (CUR), berberine (BBR) and resveratrol (RES), on the PI3K/PTEN/Akt/mTORC1/GSK-3 pathway, with a special focus on GSK-3. These natural products may regulate the pathway by multiple mechanisms including: reactive oxygen species (ROS), cytokine receptors, mirco-RNAs (miRs) and many others...
May 26, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28575066/combined-application-of-arsenic-trioxide-and-lithium-chloride-augments-viability-reduction-and-apoptosis-induction-in-human-rhabdomyosarcoma-cell-lines
#19
Sabine B Schleicher, Julian J Zaborski, Rosa Riester, Natascha Zenkner, Rupert Handgretinger, Torsten Kluba, Frank Traub, Karen A Boehme
Rhabdomyosarcomas (RMS) are the most prevalent soft tissue sarcomas affecting children and adolescents. Despite intensive treatment consisting of multimodal chemotherapy and surgery RMS patients diagnosed with metastatic disease expect long term survival rates of only 20%. Often multidrug resistance arises upon initial response emphasizing the need for new therapeutic drugs to improve treatment efficiency. Previously, we demonstrated the efficacy of the FDA approved drug arsenic trioxide (ATO) specifically inhibiting viability and clonal growth as well as inducing cell death in human RMS cell lines of different subtypes...
2017: PloS One
https://www.readbyqxmd.com/read/28549531/targeting-the-akt-gsk-3-bcl-2-axis-in-acute-myeloid-leukemia
#20
REVIEW
Maria Rosaria Ricciardi, Simone Mirabilii, Roberto Licchetta, Monica Piedimonte, Agostino Tafuri
Over the last few decades, there has been significant progress in the understanding of the pathogenetic mechanisms of the Acute Myeloid Leukemia (AML). However, despite important advances in elucidating molecular mechanisms, the treatment of AML has not improved significantly, remaining anchored at the standard chemotherapy regimen "3 + 7", with the prognosis of patients remaining severe, especially for the elderly and for those not eligible for transplant procedures. The biological and clinical heterogeneity of AML represents the major obstacle that hinders the improvement of prognosis and the identification of new effective therapeutic approaches...
May 19, 2017: Advances in Biological Regulation
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