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https://www.readbyqxmd.com/read/27904667/icaritin-induces-apoptotic-and-autophagic-cell-death-in-human-glioblastoma-cells
#1
Zhaopei Li, Xiangwen Meng, Lin Jin
BACKGROUND: GBM represents the most aggressive type of glioma which is featured by extremely aggressive invasion and destructive malignancy with a high proliferation rate. The aim of this study was to investigate the in vitro anti-tumor effect of icaritin in human GBM cell line U87. METHODS: The effect of icaritin on In vitro cell viability was determined by MTT assay and colony formation assay. The inducing effect of icaritin on cell cycle arrest, mitochondrial membrane potential loss, apoptosis, autophagy and intracellular ROS generation was assessed by flow cytometry...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27899391/atypical-presentation-of-anti-gbm-nephritis-in-a-90-year-old-patient
#2
Julie Omolola Okiro, Chaudhry Adeel Ebad, Amjad Zaman Khan
A 90-year-old woman who had bloody diarrhoea, nausea, weakness and reduced urine output was found to have acute kidney injury. Her inflammatory markers were raised and her chest X-ray suggested an inflammatory process. She was initially suspected to have acute kidney injury secondary to dehydration and sepsis but when her autoimmune screen returned positive for antiglomerular basement membrane antibodies our diagnosis and management strategy was reconsidered. This is a case report of Goodpasture disease presenting in an elderly patient...
November 29, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27897101/platelets-from-glioblastoma-patients-promote-angiogenesis-of-tumor-endothelial-cells-and-exhibit-increased-vegf-content-and-release
#3
Clara Di Vito, Stefania Elena Navone, Giovanni Marfia, Loubna Abdel Hadi, Maria Elisa Mancuso, Alessandro Pecci, Francesco Maria Crisà, Valeria Berno, Paolo Rampini, Rolando Campanella, Laura Riboni
Glioblastoma multiforme (GBM) is the most common and fatal intracranial cancer in humans and exhibits intense and aberrant angiogenesis that sustains its malignancy and involves several angiogenic signals. Among them, vascular endothelial growth factor (VEGF) plays a key role and is overexpressed in GBM. Different cells appear to act as triggers of the aberrant angiogenesis, and, among them, platelets act as key participants. In order to provide further insights into the platelet features and angiogenic role in GBM, this study investigated the effects of platelet releasate on GBM-derived endothelial cells (GECs) and the levels of VEGF and endostatin, as pro- and anti-angiogenic components of platelet releasate from GBM patients...
November 29, 2016: Platelets
https://www.readbyqxmd.com/read/27896520/early-perfusion-mri-predicts-survival-outcome-in-patients-with-recurrent-glioblastoma-treated-with-bevacizumab-and-carboplatin
#4
Iwan E Bennett, Kathryn M Field, Christopher M Hovens, Bradford A Moffat, Mark A Rosenthal, Katharine Drummond, Andrew H Kaye, Andrew P Morokoff
Bevacizumab, an anti-angiogenic agent, is FDA-approved for use in patients with recurrent glioblastoma multiforme (rGBM). The radiologic evaluation of tumor response to bevacizumab is complex and there is no validated method of monitoring tumor vascularity during therapy. We evaluated perfusion-weighted MR imaging (PWI) in our cohort of patients enrolled in the CABARET trial, which examined the effectiveness of bevacizumab with or without carboplatin in patients with rGBM. Pre-treatment and early follow-up (4- and 8-week) PWI were used to calculate relative cerebral blood volume (rCBV) histogram statistics of the contrast-enhancing and FLAIR hyperintense tumor volumes...
November 28, 2016: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/27869737/toosendanin-exerts-an-anti-cancer-effect-in-glioblastoma-by-inducing-estrogen-receptor-%C3%AE-and-p53-mediated-apoptosis
#5
Liang Cao, Dingding Qu, Huan Wang, Sha Zhang, Chenming Jia, Zixuan Shi, Zongren Wang, Jian Zhang, Jing Ma
Glioblastoma (GBM) is the most common primary brain tumor with median survival of approximately one year. This dismal poor prognosis is due to resistance to currently available chemotherapeutics; therefore, new cytotoxic agents are urgently needed. In the present study, we reported the cytotoxicity of toosendanin (TSN) in the GBM U87 and C6 cell lines in vitro and in vivo. By using the MTT (3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide) assay, flow cytometry analysis, and Western blot, we found that TSN inhibited U87 and C6 cell proliferation and induced apoptosis at a concentration as low as 10 nM...
November 18, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27865821/the-effects-of-tumor-treating-fields-and-temozolomide-in-mgmt-expressing-and-non-expressing-patient-derived-glioblastoma-cells
#6
Paul A Clark, Jordan T Gaal, Joslyn K Strebe, Cheri A Pasch, Dustin A Deming, John S Kuo, H Ian Robins
A recent Phase 3 study of newly diagnosed glioblastoma (GBM) demonstrated the addition of tumor treating fields (TTFields) to temozolomide (TMZ) after combined radiation/TMZ significantly increased survival and progression free survival. Preliminary data suggested benefit with both methylated and unmethylated O-6-methylguanine-DNA methyl-transferase (MGMT) promoter status. To date, however, there have been no studies to address the potential interactions of TTFields and TMZ. Thus, the effects of TTFields and TMZ were studied in vitro using patient-derived GBM stem-like cells (GSCs) including MGMT expressing (TMZ resistant: 12...
November 16, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27862656/matrix-metalloproteinase-12-mmp-12-deficiency-attenuates-experimental-crescentic-anti-gbm-glomerulonephritis
#7
Abu P Abraham, Frank Y Ma, William R Mulley, David J Nikolic-Paterson, Greg H Tesch
AIM: MMP-12 (macrophage elastase) is an enzyme that can cleave various extracellular matrix proteins and is required for macrophage infiltration and pulmonary fibrosis in experimental emphysema. We have shown previously that MMP-12 is highly up-regulated in experimental anti-glomerular basement membrane (GBM) disease. The aim of this study was to determine whether MMP-12 is required for glomerular macrophage infiltration and crescent formation in anti-GBM glomerulonephritis. METHODS: Accelerated anti-GBM disease was induced in groups of MMP-12 gene deficient mice (MMP-12-/-) and wild type C57BL/6 J (WT) controls, which were killed 12 days after injection of anti-GBM serum...
November 8, 2016: Nephrology
https://www.readbyqxmd.com/read/27858870/simultaneous-comprehensive-multiplex-autoantibody-analysis-for-rapidly-progressive-glomerulonephritis
#8
Mandy Sowa, Barbara Trezzi, Rico Hiemann, Peter Schierack, Kai Grossmann, Juliane Scholz, Valentina Somma, Renato Alberto Sinico, Dirk Roggenbuck, Antonella Radice
Rapidly progressive glomerulonephritis (RPGN) is mainly caused by anti-glomerular basement membrane (GBM) antibody-mediated glomerulonephritis, immune-complex or anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitides and leads to rapid loss of renal function. Detection of ANCA and autoantibodies (autoAbs) to GBM and dsDNA enables early diagnosis and appropriate treatment of RPGN aiding in preventing end-stage renal disease.Determination of ANCA on neutrophils (ANCA) as well as autoAbs to myeloperoxidase (MPO-ANCA), proteinase 3 (PR3-ANCA), GBM, and dsDNA was performed by the novel multiplex CytoBead technology combining cell- and microbead-based autoAb analyses by automated indirect immunofluorescence (IIF)...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27837436/withaferin-a-and-its-potential-role-in-glioblastoma-gbm
#9
REVIEW
Jasdeep Dhami, Edwin Chang, Sanjiv S Gambhir
Within the Ayurvedic medical tradition of India, Ashwagandha (Withania somnifera) is a well-known herb. A large number of withanolides have been isolated from both its roots and its leaves and many have been assessed for their pharmacological activities. Amongst them, Withaferin A is one of its most bioactive phytoconstituents. Due to the lactonal steroid's potential to modulate multiple oncogenic pathways, Withaferin A has gained much attention as a possible anti-neoplastic agent. This review focuses on the use of Withaferin A alone, or in combination with other treatments, as a newer option for therapy against the most aggressive variant of brain tumors, Glioblastoma...
November 11, 2016: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/27836464/apoptotic-effect-of-atorvastatin-in-glioblastoma-spheroids-tumor-cultured-in-fibrin-gel
#10
Neda Bayat, Somayeh Ebrahimi-Barough, Abbas Norouzi-Javidan, Hooshang Saberi, Roksana Tajerian, Mohammad Mehdi Mokhtari Ardakan, Sadegh Shirian, Arman Ai, Jafar Ai
OBJECTIVE: Glioblastoma multiform (GBM) is one of the most common and highly aggressive primary brain tumors that thought to be of glial cells origin. The new available therapy for glioblastoma is based on better understanding of molecular malignant progression in this tumor. It is better to identify key molecular targets stimulating signaling pathways that lead to initiation of apoptosis for treatment of glioblastoma. Tumorigenesis broadly is controlled by tumor microenvironment and design of best biomimetic culture systems dependency on these conditions allow for in vitro and in vivo tumor modeling for studies of cancer cells behavior to drugs...
November 8, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27833530/inhibition-of-the-autophagy-pathway-synergistically-potentiates-the-cytotoxic-activity-of-givinostat-itf2357-on-human-glioblastoma-cancer-stem-cells
#11
Francesca Angeletti, Gianluca Fossati, Alessandra Pattarozzi, Roberto Würth, Agnese Solari, Antonio Daga, Irene Masiello, Federica Barbieri, Tullio Florio, Sergio Comincini
Increasing evidence highlighted the role of cancer stem cells (CSCs) in the development of tumor resistance to therapy, particularly in glioblastoma (GBM). Therefore, the development of new therapies, specifically directed against GBM CSCs, constitutes an important research avenue. Considering the extended range of cancer-related pathways modulated by histone acetylation/deacetylation processes, we studied the anti-proliferative and pro-apoptotic efficacy of givinostat (GVS), a pan-histone deacetylase inhibitor, on cell cultures enriched in CSCs, isolated from nine human GBMs...
2016: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/27829255/-pulmonary-manifestations-of-vasculitis
#12
S von Vietinghoff
The variable symptoms and signs of pulmonary vasculitis are a diagnostic and therapeutic challenge. Vasculitis should be considered in rapidly progressing, severe and unusual manifestations of pulmonary disease. Clinical examination of other organ systems typically affected by vasculitis such as skin and kidney and autoantibody measurements are complementary approaches to manage this situation. Pulmonary involvement is common in small vessel vasculitis including anti-GBM disease (Goodpasture syndrome) and the ANCA-associated vasculitides...
November 2016: Pneumologie
https://www.readbyqxmd.com/read/27825958/simultaneous-blockade-of-interacting-ck2-and-egfr-pathways-by-tumor-targeting-nanobioconjugates-increases-therapeutic-efficacy-against-glioblastoma-multiforme
#13
Szu-Ting Chou, Rameshwar Patil, Anna Galstyan, Pallavi R Gangalum, Webster K Cavenee, Frank B Furnari, Vladimir A Ljubimov, Alexandra Chesnokova, Andrei A Kramerov, Hui Ding, Vida Falahatian, Leila Mashouf, Irving Fox, Keith L Black, Eggehard Holler, Alexander V Ljubimov, Julia Y Ljubimova
Glioblastoma multiforme (GBM) remains the deadliest brain tumor in adults. GBM tumors are also notorious for drug and radiation resistance. To inhibit GBMs more effectively, polymalic acid-based blood-brain barrier crossing nanobioconjugates were synthesized that are delivered to the cytoplasm of cancer cells and specifically inhibit the master regulator serine/threonine protein kinase CK2 and the wild-type/mutated epidermal growth factor receptor (EGFR/EGFRvIII), which are overexpressed in gliomas according to The Cancer Genome Atlas (TCGA) GBM database...
November 5, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27824118/kukoamine-a-inhibits-human-glioblastoma-cell-growth-and-migration-through-apoptosis-induction-and-epithelial-mesenchymal-transition-attenuation
#14
Qiaoping Wang, Haiyan Li, Zhen Sun, Lihua Dong, Ling Gao, Chunlan Liu, Xiujie Wang
Cortex lycii radicis is the dried root bark of Lycium chinense, a traditional Chinese herb used in multiple ailments. The crude extract of Cortex lycii radicis has growth inhibition effect on GBM cells. Kukoamine A (KuA) is a spermine alkaloid derived from it. KuA possesses antioxidant, anti-inflammatory activities, but its anticancer activity is unknown. In this study, the growth and migration inhibition effect of KuA on human GBM cells and the possible mechanism of its activity were investigated. After KuA treatment, proliferation and colony formation of GBM cells were decreased significantly; apoptotic cells were increased; the cell cycle was arrested G0/G1 phase; the migration and invasion were decreased, the growth of tumors initiated from GBM cells was inhibited significantly; the expressions of 5-Lipoxygenase (5-LOX) were decreased, apoptotic proteins, Bax and caspase-3 were increased, and antiapoptotic protein Bcl-2 was decreased significantly; The expressions of CCAAT/enhancer binding protein β (C/EBPβ), N-cadherin, vimentin, twist and snail+slug were decreased significantly, while the expression of E-cadherin was increased significantly in KuA treated GBM cells and tumor tissues...
November 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27821713/quantitative-analyses-of-synergistic-responses-between-cannabidiol-and-dna-damaging-agents-on-the-proliferation-and-viability-of-glioblastoma-and-neural-progenitor-cells-in-culture
#15
Liting Deng, Lindsay Ng, Tatsuya Ozawa, Nephi Stella
Evidence suggests that the non-psychotropic cannabis-derived compound, cannabidiol (CBD), has anti-neoplastic activity in multiple types of cancers, including glioblastoma multiforme (GBM). DNA-damaging agents remain the main standard of care treatment available for patients diagnosed with GBM. Here we studied the anti-proliferative and cell-killing activity of CBD alone and in combination with DNA-damaging agents (temozolomide, carmustine or cisplatin) in several human GBM cell lines and in mouse primary GBM cells in cultures...
November 7, 2016: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27819521/microrna-326-sensitizes-human-glioblastoma-cells-to-curcumin-via-the-shh-gli1-signaling-pathway
#16
Shi Yin, Wenzhong Du, Feng Wang, Bo Han, Yuqiong Cui, Dongbo Yang, Hui Chen, Daming Liu, Xing Liu, Chuanlu Jiang
Glioblastoma multiforme is the most malignant and common brain tumor in adults and is characterized by poor survival and high resistance to chemotherapy and radiotherapy. Among the new chemotherapy drugs, curcumin, a popular dietary supplement, has proven to have a potent anticancer effect on a variety of cancer cell types; however, it remains difficult to achieve a satisfactory therapeutic effect with curcumin using the traditional single-drug treatment. In this study, we found that expression of miR-326, a tumor suppressor microRNA in various tumor types, resulted in a marked increase of curcumin-induced cytotoxicity and apoptosis and a decrease of proliferation and migration in glioma cells...
November 7, 2016: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/27816395/-alport-syndrome-hereditary-nephropathy-associated-with-mutations-in-genes-coding-for-type-iv-collagen-chains
#17
Laurence Heidet, Marie-Claire Gubler
Alport syndrome is an inherited disorder characterized by the association of a progressive haematuric nephropathy with ultrastructural abnormalities of the glomerular basement membranes, a progressive sensorineural hearing loss and sometimes ocular involvement. Its incidence is less than 1 per 5000 individuals and the disease is the cause of about 2% of end stage renal disease in Europe and the United States. Alport syndrome is clinically and genetically heterogeneous. It is related to mutations in the genes encoding one of three chains, α3, α4 α5 of type IV collagen, the main component of basement membranes, expressed in the glomerular basement membrane...
November 2, 2016: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/27815359/antibody-targeting-grp78-enhances-the-efficacy-of-radiation-therapy-in-human-glioblastoma-and-non-small-cell-lung-cancer-cell-lines-and-tumor-models
#18
David Ya Dadey, Vaishali Kapoor, Kelly Hoye, Arpine Khudanyan, Andrea Collins, Dinesh Thotala, Dennis E Hallahan
PURPOSE: Non-small-cell lung cancer (NSCLC) and glioblastoma multiforme (GBM) have poor median survival. NSCLC and GBM overexpress glucose regulated protein 78 (GRP78), which has a role in radioresistance and recurrence. In this study, we determined the effect of anti-GRP78 antibody and the combined effect of the anti-GRP78 antibody with ionizing radiation (XRT) on NSCLC and GBM cell lines both in vitro and in vivo. EXPERIMENTAL DESIGN: NSCLC and GBM cancer cell lines were treated with anti-GRP78 antibodies and evaluated for proliferation, colony formation, cell death and PI3K/Akt/mTOR signaling...
November 4, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27814616/microglia-glioma-cross-talk-a-two-way-approach-to-new-strategies-against-glioma
#19
Cataldo Arcuri, Bernard Fioretti, Roberta Bianchi, Carmen Mecca, Claudia Tubaro, Tommaso Beccari, Fabio Franciolini, Ileana Giambanco, Rosario Donato
Glioblastoma (GBM) is the most malignant and aggressive among primary brain tumors, characterized by very low life expectancy. In vivo, glioma and glioblastoma in particular contain large numbers of immune cells (myeloid cells) such as microglia and tumour-infiltrating macrophages (or glioma associated macrophages). These glioma-infiltrating myeloid cells comprise up to 30% of total tumor mass and have been suggested to play several roles in glioma progression including proliferation, survival, motility and immunosuppression...
January 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/27807473/therapeutic-potential-of-curcumin-for-the-treatment-of-brain-tumors
#20
REVIEW
Neil V Klinger, Sandeep Mittal
Brain malignancies currently carry a poor prognosis despite the current multimodal standard of care that includes surgical resection and adjuvant chemotherapy and radiation. As new therapies are desperately needed, naturally occurring chemical compounds have been studied for their potential chemotherapeutic benefits and low toxicity profile. Curcumin, found in the rhizome of turmeric, has extensive therapeutic promise via its antioxidant, anti-inflammatory, and antiproliferative properties. Preclinical in vitro and in vivo data have shown it to be an effective treatment for brain tumors including glioblastoma multiforme...
2016: Oxidative Medicine and Cellular Longevity
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