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https://www.readbyqxmd.com/read/28927122/mechanism-of-egcg-promoting-apoptosis-of-mcf-7-cell-line-in-human-breast-cancer
#1
Chao-You Huang, Zheng Han, Xi Li, Hui-Hua Xie, Shan-Shan Zhu
The aim of the present study was to investigate the effects of epigallocatechin-3-gallate (EGCG) on the apoptosis of the human MCF-7 cancer cell line and the underlying mechanism. MCF-7 cells were divided into the control group and EGCG groups. The proliferation of MCF-7 cells in the two groups was determined using MTT and apoptosis was examined using flow cytometry. Western blot analysis and qRT-PCR were used to analyze P53 and Bcl-2 expression levels. The silencing effect of specific siRNA was evaluated using RT-PCR and western blot analysis...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926891/-advances-in-immune-checkpoint-inhibitors-in-gastrointestinal-cancer
#2
X R Zhu, L Z Zheng
Currently, immunotherapy is considered as the fourth major modality of cancer treatment except surgery, chemotherapy and radiotherapy. The new therapeutic approach based on immune checkpoint inhibitors is a landmark innovation. Strategies considering checkpoint inhibitors have shown good anti-tumor effect by targeting cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and programmed cell death protein 1 (PD-1) or programmed cell death ligand 1 (PD-L1). Moreover, DNA mismatch repair-deficient tumors appear to be potential candidates for these therapies...
September 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28926888/-accelerated-transepithelial-corneal-collagen-cross-linking-for-progressive-keratoconus-with-a-thin-cornea-one-year-results
#3
Z R Lin, H P Wu, S R Luo, Z S Liu, N Dong, X M Shang, Z W Xie, L Yan, X Fang
Objective: To evaluate the clinical results of keratoconic eyes with a thin cornea treated with accelerated transepithelial corneal collagen cross-linking (A-TE-CXL) within 1 year. Methods: Nineteen eyes of 19 patients with progressive keratoconus with a minimum corneal thickness from 380 μm to 420 μm (including the epithelium) were included in this prospective, nonrandomized clinical study and treated with A-TE-CXL. Scoring of pain and foreign body sensation, slit lamp examination, uncorrected visual acuity, best corrected distance visual acuity, corneal topography, anterior segment optical coherence tomography, in vivo corneal confocal microscopy and endothelial cell count were assessed before surgery and at 1, 3, 6 and 12 months postoperatively...
September 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28926886/-keratectomy-combined-with-intrastromal-injection-of-voriconazole-in-treating-fungal-keratitis
#4
S X Li, J Biang, X Li, L T Zhang, W Y Shi
Objective: To investigate the treatment effect of keratectomy combined with intrastromal injection of voriconazole on fungal keratitis. Methods: Retrospective study. Ninety-eight fungal keratitis patients (98 eyes) were treated by keratectomy combined with intrastromal injection of voriconazole in Shandong Eye Hospital from January 2013 to May 2015. The corneal ulcers were mostly located in the paracentral or peripheral cornea, which incompletely blocked the pupil area. Slit lamp and anterior segment optical coherence tomography (AS-OCT) were used for lesion detection...
September 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28926357/first-in-human-treatment-with-a-dendritic-cell-targeting-lentiviral-vector-expressing-ny-eso-1-lv305-induces-deep-durable-response-in-refractory-metastatic-synovial-sarcoma-patient
#5
Seth M Pollack, Hailing Lu, Sacha Gnjatic, Neeta Somaiah, Ryan B O'Malley, Robin L Jones, Frank J Hsu, Jan Ter Meulen
Effective induction of antitumor T cells is a pivotal goal of cancer immunotherapy. To this end, lentiviral vectors (LV) are uniquely poised to directly prime CD8 T-cell responses via transduction of dendritic cells in vivo and have shown promise as active cancer therapeutics in preclinical tumor models. However, until now, significant barriers related to production and regulation have prevented their widespread use in the clinic. We developed LV305, a dendritic cell-targeting, integration-deficient, replication incompetent LV from the ZVex platform, encoding the full-length cancer-testis antigen NY-ESO-1...
September 18, 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/28925994/chimeric-antigen-receptor-t-cell-therapy-assessment-and-management-of-toxicities
#6
REVIEW
Sattva S Neelapu, Sudhakar Tummala, Partow Kebriaei, William Wierda, Cristina Gutierrez, Frederick L Locke, Krishna V Komanduri, Yi Lin, Nitin Jain, Naval Daver, Jason Westin, Alison M Gulbis, Monica E Loghin, John F de Groot, Sherry Adkins, Suzanne E Davis, Katayoun Rezvani, Patrick Hwu, Elizabeth J Shpall
Immunotherapy using T cells genetically engineered to express a chimeric antigen receptor (CAR) is rapidly emerging as a promising new treatment for haematological and non-haematological malignancies. CAR-T-cell therapy can induce rapid and durable clinical responses, but is associated with unique acute toxicities, which can be severe or even fatal. Cytokine-release syndrome (CRS), the most commonly observed toxicity, can range in severity from low-grade constitutional symptoms to a high-grade syndrome associated with life-threatening multiorgan dysfunction; rarely, severe CRS can evolve into fulminant haemophagocytic lymphohistiocytosis (HLH)...
September 19, 2017: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/28925857/comparison-of-stored-red-blood-cell-washing-techniques-for-priming-extracorporeal-circuits
#7
Jun Sasaki, Christopher Tirotta, Hyunsoo Lim, Kathleen Kubes, Jane Salvaggio, Robert Hannan, Redmond Burke, Jorge Ojito
BACKGROUND: The aim of this study was to compare three different blood washing techniques and describe the differences for the composition of the washed red blood cells (RBC). METHODS: Stored RBCs less than 5 days old were washed using three different techniques. 1) Washing with normal saline with the COBE Model 2991 blood processor in the blood bank (BB-S). 2) Washing with normal saline with the Continuous AutoTransfusion System (C.A.T.S) in the operating room (OR-S)...
September 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28925496/study-on-the-relationship-between-the-rassf10-gene-and-the-biological-behavior-of-hepatocellular-carcinoma-cells
#8
J Xie, Y Chen, F Meng, T Shu, Y Liu, L Zhang, Z-X Zhang
OBJECTIVE: To investigate the relationship between Ras association domain family gene 10 (RASSF10 gene) and the biological behavior of hepatocellular carcinoma (HCC), including proliferation, invasion, and metastasis. MATERIALS AND METHODS: HCC cell lines were generated with stable overexpression or low expression of RASSF10 protein. A cell line transfected with an empty vector was treated as control. At 12, 24, 48, and 72 h, the cell proliferation was determined by MTT assay, the invasion ability was determined by Transwell chambers, and the scratch assay was used to assess the migration ability...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28925469/1-25-dihydroxyvitamin-d3-regulates-t-lymphocyte-proliferation-through-activation-of-p53-and-inhibition-of-erk1-2-signaling-pathway-in-children-with-kawasaki-disease
#9
X-L Qi, L-L Chen, X-G Sun, X-M Li, L-H Zhao, D-J Kong
OBJECTIVE: To study the effect of 1,25(OH)2D3 on T lymphocytes in Kawasaki disease and to further investigate its molecular mechanism. PATIENTS AND METHODS: A total of 30 child patients was diagnosed as Kawasaki disease, 60 child patients were diagnosed as infectious fever, and 60 normal children, were selected. 4 mL peripheral blood was collected before treatment. Peripheral blood mononuclear cells were isolated and separated using the Facollin method and cultured...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28925401/endogenous-androgen-receptor-proteomic-profiling-reveals-genomic-subcomplex-involved-in-prostate-tumorigenesis
#10
S Stelloo, E Nevedomskaya, Y Kim, L Hoekman, O B Bleijerveld, T Mirza, L F A Wessels, W M van Weerden, A F M Altelaar, A M Bergman, W Zwart
Androgen receptor (AR) is a key player in prostate cancer development and progression. Here we applied immunoprecipitation mass spectrometry of endogenous AR in LNCaP cells to identify components of the AR transcriptional complex. In total, 66 known and novel AR interactors were identified in the presence of synthetic androgen, most of which were critical for AR-driven prostate cancer cell proliferation. A subset of AR interactors required for LNCaP proliferation were profiled using chromatin immunoprecipitation assays followed by sequencing, identifying distinct genomic subcomplexes of AR interaction partners...
September 18, 2017: Oncogene
https://www.readbyqxmd.com/read/28925399/dock4-promotes-loss-of-proliferation-in-glioblastoma-progenitor-cells-through-nuclear-beta-catenin-accumulation-and-subsequent-mir-302-367-cluster-expression
#11
D N Debruyne, L Turchi, F Burel-Vandenbos, M Fareh, F Almairac, V Virolle, D Figarella-Branger, N Baeza-Kallee, P Lagadec, V Kubiniek, P Paquis, D Fontaine, M-P Junier, H Chneiweiss, T Virolle
Glioblastomas (GBM) are lethal primitive brain tumours characterized by a strong intra-tumour heterogeneity. We observed in GBM tissues the coexistence of functionally divergent micro-territories either enriched in more differentiated and non-mitotic cells or in mitotic undifferentiated OLIG2 positive cells while sharing similar genomic abnormalities. Understanding the formation of such functionally divergent micro-territories in glioblastomas (GBM) is essential to comprehend GBM biogenesis, plasticity and to develop therapies...
September 18, 2017: Oncogene
https://www.readbyqxmd.com/read/28925397/coactosin-like-protein-clp-cotl1-suppresses-breast-cancer-growth-through-activation-of-il-24-perp-and-inhibition-of-non-canonical-tgf%C3%AE-signaling
#12
L Xia, X Xiao, W L Liu, Y Song, T J J Liu, Y J Li, E Zacksenhaus, X J Hao, Y Ben-David
Coactosin-like protein (CLP, or Cotl1), is an F-actin-binding protein, whose role in cancer is largely unknown. Here we show that CLP/Cotl1 is highly expressed in a rat epithelial breast cancer cell line (FE1.3) compared with its mesenchymal counterpart (FE1.2). Knockdown of CLP/Cotl1 in FE1.3 cells increased cell proliferation, whereas its overexpression in FE1.2 cells inhibited proliferation in culture and reduced tumor growth in xenograft assays in mice. Mechanistically, we identified two major pathways through which CLP/Cotl1 exerts its suppressive effects...
September 18, 2017: Oncogene
https://www.readbyqxmd.com/read/28925392/atypical-e2fs-inhibit-tumor-angiogenesis
#13
B G M W Weijts, B Westendorp, B T Hien, L M Martínez-López, M Zijp, I Thurlings, R E Thomas, S Schulte-Merker, W J Bakker, A de Bruin
Atypical E2F transcription factors (E2F7 and E2F8) function as key regulators of cell cycle progression and their inactivation leads to spontaneous cancer formation in mice. However, the mechanism of the tumor suppressor functions of E2F7/8 remain obscure. In this study we discovered that atypical E2Fs control tumor angiogenesis, one of the hallmarks of cancer. We genetically inactivated atypical E2Fs in epithelial and mesenchymal neoplasm and analyzed blood vessel formation in three different animal models of cancer...
September 18, 2017: Oncogene
https://www.readbyqxmd.com/read/28924239/the-autophagy-initiator-ulk1-sensitizes-ampk-to-allosteric-drugs
#14
Toby A Dite, Naomi X Y Ling, John W Scott, Ashfaqul Hoque, Sandra Galic, Benjamin L Parker, Kevin R W Ngoei, Christopher G Langendorf, Matthew T O'Brien, Mondira Kundu, Benoit Viollet, Gregory R Steinberg, Kei Sakamoto, Bruce E Kemp, Jonathan S Oakhill
AMP-activated protein kinase (AMPK) is a metabolic stress-sensing enzyme responsible for maintaining cellular energy homeostasis. Activation of AMPK by salicylate and the thienopyridone A-769662 is critically dependent on phosphorylation of Ser108 in the β1 regulatory subunit. Here, we show a possible role for Ser108 phosphorylation in cell cycle regulation and promotion of pro-survival pathways in response to energy stress. We identify the autophagy initiator Unc-51-like kinase 1 (ULK1) as a β1-Ser108 kinase in cells...
September 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28924203/the-common-variants-implicated-in-microstructural-abnormality-of-first-episode-and-drug-na%C3%A3-ve-patients-with-schizophrenia
#15
H Y Ren, Q Wang, W Lei, C C Zhang, Y F Li, X J Li, M L Li, W Deng, C H Huang, F Du, L S Zhao, Y C Wang, X H Ma, X Hu, T Li
Both post-mortem and neuroimaging studies have identified abnormal white matter (WM) microstructure in patients with schizophrenia. However, its genetic underpinnings and relevant biological pathways remain unclear. In order to unravel the genes and the pathways associated with abnormal WM microstructure in schizophrenia, we recruited 100 first-episode, drug-naïve patients with schizophrenia and 140 matched healthy controls to conduct genome-wide association analysis of fractional anisotropy (FA) value measured using diffusing tensor imaging (DTI), followed by multivariate association study and pathway enrichment analysis...
September 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28923624/renal-cell-carcinoma-in-renal-transplantation-the-case-for-surveillance
#16
W M Bennett, E L Simonich, A M Garre, K M McEvoy, M A Farinola, T D Batiuk
INTRODUCTION: Between January 2013 and September 2015, 135 consecutive renal transplant patients were screened prospectively with ultrasound for renal cell carcinoma (RCC). RESULTS: Eighteen ultrasound abnormalities were identified with 4 solid lesions detected. Fifty-six other patients were screened retrospectively by referring nephrology groups, with 6 additional malignancies found. CONCLUSION: As a result of our data, we recommend and have instituted annual ultrasound screening of native kidneys in all renal transplant patients...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28923384/synthesis-and-structure-elucidation-of-novel-salophen-based-dioxo-uranium-vi-complexes-in-vitro-and-in-silico-studies-of-their-dna-bsa-binding-properties-and-anticancer-activity
#17
S Yousef Ebrahimipour, Maryam Mohamadi, Masoud Torkzadeh Mahani, Jim Simpson, Joel T Mague, Iran Sheikhshoaei
The synthesis and characterization of three dioxo U(VI) complexes, [UO2(L(1))(OH2)], [UO2(L(2))DMF], and [UO2(L(2))DMSO], [L(1)](2-) = 1,1'-(4-methyl-1,2-phenylenebis (nitrilomethylidyne))di-2-naphtholate: [L(2)](2-) = 1,1'-(o-phenylenebis (nitrilomethylidyne)) di-2-naphtholate, are reported. Elemental analysis, FT-IR, (1)HNMR, UV-Vis spectroscopy, molar conductivity and single crystal X-ray diffraction were used to characterize the complexes. It was found that the complexes adopt a distorted pentagonal bipyramidal coordination geometry...
September 4, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28923382/synthesis-and-biological-evaluation-of-new-substituted-thioglycolurils-their-analogues-and-derivatives
#18
Galina A Gazieva, Lada V Anikina, Tatyana V Nechaeva, Sergey A Pukhov, Tatyana B Karpova, Sergey V Popkov, Yulia V Nelyubina, Natalya G Kolotyrkina, Angelina N Kravchenko
A novel series of substituted N-aminothioglycolurils was synthesized by tandem hydrazone formation - ring contraction reaction of 3-thioxoperhydroimidazo[4,5-e]-1,2,4-triazin-6-ones with (E)-3-phenyl(furan-2-yl)acrylaldehyde derivatives. S-Alkyl substituted N-aminothioglycolurils were prepared through alkylation of corresponding thioglycolurils with iodoalkane or 4-chlorobenzylchloride. Methylthio group in S-methyl derivatives can be substituted with hydroxyl group in acid medium to give N-aminoglycolurils...
September 7, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28923066/data-integration-from-pathology-slides-for-quantitative-imaging-of-multiple-cell-types-within-the-tumor-immune-cell-infiltrate
#19
Zhaoxuan Ma, Stephen L Shiao, Emi J Yoshida, Steven Swartwood, Fangjin Huang, Michael E Doche, Alice P Chung, Beatrice S Knudsen, Arkadiusz Gertych
BACKGROUND: Immune cell infiltrates (ICI) of tumors are scored by pathologists around tumor glands. To obtain a better understanding of the immune infiltrate, individual immune cell types, their activation states and location relative to tumor cells need to be determined. This process requires precise identification of the tumor area and enumeration of immune cell subtypes separately in the stroma and inside tumor nests. Such measurements can be accomplished by a multiplex format using immunohistochemistry (IHC)...
September 18, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28922951/a-retrospective-study-of-cytokine-profiles-changes-in-mice-with-fviii-inhibitor-development-after-aav-mediated-gene-therapy-in-hemophilia-a-mouse-model
#20
Junjiang Sun, Zhenhua Yuan, Yasmina L Abajas, Dorreen E Szollosi, Genlin Hu, Baolai Hua, Xiao Xiao, Chengwen Li
The development of inhibitory autoantibodies to the infused clotting factor VIII is a major complication for severe hemophilia A management. Novel therapy options for hemophilia have significantly progressed in the last decade and a gene therapy cure for hemophilia is translating into reality. However, mechanistic studies of FVIII autoantibodies (FVIII inhibitors) have lagged behind and remain a challenge for both protein replacement and gene therapy. FVIII inhibitor formation is assumed to be a classical T cell-dependent immune response in which cytokines/chemokines play an important role...
September 19, 2017: Human Gene Therapy
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