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https://www.readbyqxmd.com/read/29901184/girdin-regulates-the-proliferation-and-apoptosis-of-pancreatic-cancer-cells-via-the-pi3k-akt-signalling-pathway
#1
Sheng Wang, Yiqun Lei, Zeling Cai, Xiaoman Ye, Lianhong Li, Xiagang Luo, Chunzhao Yu
Girdin functions as an Akt phosphorylation enhancer (APE), which expedites the proliferation and survival of many types of tumours. However, the influence of Girdin on pancreatic cancer and the underlying molecular mechanisms have yet to be uncovered. Hence, in the present study, we sought to elucidate the function of Girdin in pancreatic cancer malignancy, particularly its role in pancreatic cancer cell proliferation, migration and apoptosis. Immunohistochemistry (IHC) was used to evaluate Girdin expression in pancreatic cancer tissues and to analyse its correlation with pathological grade...
May 31, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29889537/the-development-of-18f-alf-nota-nt-as-pet-agents-of-neurotensin-receptor-1-positive-pancreatic-cancer
#2
Mengzhe Wang, He Zhang, Hui Wang, Huijuan Feng, Huaifu Deng, Zhanhong Wu, Hongjian Lu, Zi-Bo Li
Several studies have suggested that neurotensin receptors (NTRs) and neurotensin (NT) greatly affect the growth and survival of pancreatic ductal adenocarcinoma (PDAC). Developing NTR targeted PET probes could therefore be important for the management of pancreatic cancer patient by providing key information on NTR expression profile non-invasively. Despite the initial success on the synthesis of 18F labeled NT PET probes, the labeling procedure generally requires lengthy steps include azeotropic drying of 18F...
June 11, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29807520/novel-hydroxamic-acids-incorporating-1-1h-1-2-3-triazol-4-yl-methyl-3-substituted-2-oxoindolines-synthesis-biological-evaluation-and-sar-analysis
#3
Do Thi Mai Dung, Nguyen Van Huan, Do Manh Cam, Dao Cam Hieu, Pham-The Hai, Le-Thi-Thu Huong, Jisung Kim, Jeong Eun Choi, Jong Soon Kang, Sang-Bae Han, Nguyen-Hai Nam
BACKGROUND: Histone deacetylases (HDAC) enzymes are emerging as potential targets for cancer treatments. In this study several series of novel hydroxamic acids incorporating 1-((1H-1,2,3-triazol-4-yl)methyl)-3-substituted-2-oxoindolines was explored. METHODS: The compounds were designed using Autodock Vina program, then synthesized and evaluated in vitro and in silico for their inhibitory activity against HDACs. The cytotoxicity was measured by SRB method. The enzyme inhibitory effects of the compounds were evaluated by fluorescent assay...
May 27, 2018: Medicinal Chemistry
https://www.readbyqxmd.com/read/29805688/silibinin-induces-g1-arrest-apoptosis-and-jnk-sapk-upregulation-in-sw1990-human-pancreatic-cancer-cells
#4
Xiaokai Zhang, Jiming Liu, Peng Zhang, Liting Dai, Zhihui Wu, Li Wang, Mingrong Cao, Jianwei Jiang
The aim of the present study was to investigate the inhibitory effect of silibinin on SW1990 pancreatic cancer cells. An MTT assay following silibinin treatment demonstrated an inhibitory effect on AsPC-1 and SW1990 cells in a dose- and time-dependent manner. Propidium iodide staining analysis identified the cell cycle arrest of G1 phase and western blotting analysis demonstrated that the expression levels of cyclin D1, cyclin E2, cyclin A and cyclin B1 were decreased. The expression of G1-associated cell cycle-dependent kinases, cyclin-dependent kinase (CDK)4 and CDK6, were also decreased, whereas the expression of p15 (p15INK4B ) was increased...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29785751/the-american-society-for-preventive-cardiology-aspc-has-started-2018-with-noteworthy-initiatives-a-recap-of-just-a-few-will-be-beneficial-for-members-as-well-as-non-members-who-will-hopefully-be-inspired-to-join-our-burgeoning-society
#5
Seth J Baum
First, we have continued and augmented our Town Hall Series exploring and solving medication access problems in the US. The 2016 and 2017 meetings were an extraordinary success as we led the nation in the mission to help appropriate patients gain access to PCSK9i, while simultaneously creating methods to ease the massive burdens on our offices. Continuing such advocacy efforts, the ASPC organized five 2018 programs to convene at the ACC, PriMed California, ASPC, CMHC, and the AHA. This article is protected by copyright...
May 21, 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29785118/traditional-chinese-medicine-astragalus-polysaccharide-enhanced-antitumor-effects-of-the-angiogenesis-inhibitor-apatinib-in-pancreatic-cancer-cells-on-proliferation-invasiveness-and-apoptosis
#6
Jun Wu, Jing Wang, Qiang Su, Wei Ding, Teng Li, Junxian Yu, Bangwei Cao
Background: Traditional chemotherapy and molecular targeted therapy have shown modest effects on the survival of patients with pancreatic cancer. The current study aimed to investigate the antitumor effects of apatinib, Astragalus polysaccharide (APS), and the combination of both the drugs in pancreatic cancer cells and further explore the molecular mechanisms in vitro. Materials and methods: Expression of vascular endothelial growth factor receptor-2 (VEGFR-2) in human pancreatic cancer cell lines ASPC-1, PANC-1, and SW1990 was detected by Western blotting...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29772434/the-interaction-of-long-non-coding-rna-miat-and-mir-133-play-a-role-in-the-proliferation-and-metastasis-of-pancreatic-carcinoma
#7
Ting-Fu Li, Jian Liu, Shi-Jie Fu
Pancreatic cancer (PC) is one of the most aggressive malignancies in humans. Despite advances in early detection and treatment of PC, the prognosis is still limited. LncRNA myocardial infarction-associated transcript (MIAT) is found abnormally expressed in a variety of cancers. However, the role of MIAT in PC is still unknown. This study aimed to explore whether MIAT was related to the progression of PC and the underlying mechanism. Bioinformatics analysis and luciferase reporter assay validated that miR-133 may target MIAT 3'-UTR...
May 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29757658/a-macropinocytosis-intensifying-albumin-domain-based-scfv-antibody-and-its-conjugate-directed-against-k-ras-mutant-pancreatic-cancer
#8
Xiaofei Wang, Weijin Sheng, Yangyang Wang, Liang Li, Yi Li, Shenghua Zhang, Xiujun Liu, Shuzhen Chen, Yongsu Zhen
Enhanced macropinocytosis has been found in K-Ras mutant pancreatic cancer cells and through which albumin can massively enter into the K-Ras driven cancer cells suggesting its role serving as micropinocytosis-intensifying drug delivery carrier. In the present study, a novel recombinant protein Fv-LDP-D3 and its reconstituted analogue Fv-LDP-D3-AE were designed and prepared. In which, Fv is the fragment of an anti-EGFR antibody, D3 is the domain III of HSA, LDP is the apoprotein of the antitumor antibiotic lidamycin (LDM), and AE is an extremely cytotoxic enediyne derived from LDM...
May 14, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29749433/inhibition-of-interleukin-8-c%C3%A2-x-c-chemokine-receptor-1-2-signaling-reduces-malignant-features-in-human-pancreatic-cancer-cells
#9
Shengling Fu, Xiang Chen, Huey-Jen Lin, Jiayuh Lin
Interactions between interleukin (IL)-8 and its receptors, C‑X-C chemokine receptor 1, (CXCR1) and CXCR2 serve crucial roles in increasing cancer progression. Inhibition of this signaling pathway has yielded promising results in a number of human cancers, including breast, melanoma and colon. However, the effects of CXCR1/2 antagonist treatment on pancreatic cancer remain unclear. The present study aimed to demonstrate that treatment with the clinical grade CXCR1/2 antagonist, reparixin, or the newly discovered CXCR1/2 antagonist, SCH527123, may result in a reduction of the malignant features associated with this lethal cancer...
July 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29743248/correction-to-systematic-review-for-the-2017-acc-aha-aapa-abc-acpm-ags-apha-ash-aspc-nma-pcna-guideline-for-the-prevention-detection-evaluation-and-management-of-high-blood-pressure-in-adults-a-report-of-the-american-college-of-cardiology-american-heart-association
#10
https://www.readbyqxmd.com/read/29743247/correction-to-2017-acc-aha-aapa-abc-acpm-ags-apha-ash-aspc-nma-pcna-guideline-for-the-prevention-detection-evaluation-and-management-of-high-blood-pressure-in-adults-a-report-of-the-american-college-of-cardiology-american-heart-association-task-force-on-clinical
#11
https://www.readbyqxmd.com/read/29743246/correction-to-2017-acc-aha-aapa-abc-acpm-ags-apha-ash-aspc-nma-pcna-guideline-for-the-prevention-detection-evaluation-and-management-of-high-blood-pressure-in-adults-executive-summary-a-report-of-the-american-college-of-cardiology-american-heart-association
#12
https://www.readbyqxmd.com/read/29713792/increasing-l-threonine-production-in-escherichia-coli-by-engineering-the-glyoxylate-shunt-and-the-l-threonine-biosynthesis-pathway
#13
Hui Zhao, Yu Fang, Xiaoyuan Wang, Lei Zhao, Jianli Wang, Ye Li
L-threonine is an important amino acid that can be added in food, medicine, or feed. Here, the influence of glyoxylate shunt on an L-threonine producing strain Escherichia coli TWF001 has been studied. The gene iclR was deleted, and the native promoter of the aceBA operon was replaced by the trc promoter in the chromosome of TWF001, the resulting strainTWF004 could produce 0.39 g L-threonine from1 g glucose after 36-h flask cultivation. Further replacing the native promoter of aspC by the trc promoter in the chromosome of TWF004 resulted in the strain TWF006...
April 30, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29682967/in-vivo-two-photon-fluorescence-imaging-of-the-activity-of-the-inflammatory-biomarker-lta-4-h-in-a-mouse-pneumonia-model
#14
Hui Wang, Ke Xue, Ping Li, Yuyun Yang, Zixu He, Wei Zhang, Wen Zhang, Bo Tang
Severe atmospheric haze caused by industrial pollution has severely affected human health and led to the increasing incidence of cardiopulmonary diseases, including pneumonia. Conventional methods for diagnosis of pneumonia are complicated and tedious, and current clinical imaging techniques might cause organ injuries to some extent. Therefore, an accurate, fast, and intact imaging method must be developed to diagnose pneumonia in the early stages. In this study, we propose a new two-photon fluorescence probe, named as ASPC, for detection of the activity of the inflammatory biomarker LTA4 H through specific recognition and cleavage of amides containing the unnatural amino acid l-AspBzl...
May 15, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29678458/immunization-of-balb-c-mice-with-a-combination-of-four-recombinant-brucella-abortus-proteins-aspc-dps-inpb-and-ndk-confers-a-marked-protection-against-a-virulent-strain-of-brucella-abortus
#15
Huynh Tan Hop, Lauren Togonon Arayan, Tran Xuan Ngoc Huy, Alisha Wehdnesday Bernardo Reyes, WonGi Min, Hu Jang Lee, Soo Jong Park, Hong Hee Chang, Suk Kim
In this study, we assessed the protective efficacy of single subunit vaccines, encoded by the B. abortus 544 genes aspC, dps, yaeC and inpB, against B. abortus infection in mice. First, immunization with these antigens, with the exception of the YaeC protein, was found to elicit both humoral and cellular immune responses with IgG2a being dominant over IgG1. In addition, a massive production of IFN-γ but lower degree of IL-10 was observed, suggesting that all three antigens were able to induce predominantly cell-mediated immunity in response to B...
May 17, 2018: Vaccine
https://www.readbyqxmd.com/read/29656202/syntheses-and-anti-pancreatic-cancer-activities-of-rakicidin-a-analogues
#16
Jian Chen, Jingpei Li, Lingling Wu, Yan Geng, Jianming Yu, Chuanke Chong, Mengmeng Wang, Yuan Gao, Cuigai Bai, Yahui Ding, Yue Chen, Quan Zhang
Pancreatic ductal adenocarcinoma (PDAC) is a highly aggressive malignant tumor and resistant to most therapies. Pancreatic cancer stem cells (PCSCs) had critical role in regulating PDAC progression, metastasis, and drug resistance. Therefore, targeting PCSCs is considered to be a promising strategy for treatment of PDAC. However, there is no effective drug that can selectively ablate PCSCs. A series of twenty rakicidin A analogues were synthesized via a combinatorial strategy and evaluated for their anti-PDAC activities, and the structure-activity relationship was also discussed...
May 10, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29619850/salinomycin-nanoparticles-interfere-with-tumor-cell-growth-and-the-tumor-microenvironment-in-an-orthotopic-model-of-pancreatic-cancer
#17
Zahra Daman, Homa Faghihi, Hamed Montazeri
AIMS: Recently, salinomycin (SAL) has been reported to inhibit proliferation and induce apoptosis in various tumors. The aim of this study was to deliver SAL to orthotopic model of pancreatic cancer by the aid of poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs). METHODS: The NPs were physico-chemically characterized and evaluated for cytotoxicity on luciferase-transduced AsPC-1 cells in vitro as well as implanted orthotopically into the pancreas of nude mice...
May 2, 2018: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/29599308/differential-organ-targeting-and-cellular-characteristics-of-metastatic-human-pancreatic-cancer-cell-lines-in-mouse-models
#18
Tomoyuki Satake, Atsushi Suetsugu, Miki Nakamura, Kosuke Hasegawa, Takahiro Kunisada, Masahito Shimizu, Shigetoyo Saji, Hisataka Moriwaki, Robert M Hoffman
BACKGROUND/AIM: The lethal characteristic of pancreatic cancer is metastasis which is recalcitrant to currently-used chemotherapy. Our aim was to understand metastasis at the cellular level. We previously reported that multi-nucleate cells or spindle cells were more prominent in pancreatic cancer metastasis than in the primary tumor. In the present report, we investigated four representative human pancreatic cell lines for differences in cell morphology between the primary tumor and various metastatic organ targets for each cell line...
April 2018: Anticancer Research
https://www.readbyqxmd.com/read/29566409/botryane-sesquiterpenoids-cyclopentadepsipeptides-xanthones-and-trichothecenes-from-trichoderma-oligosporum
#19
Baosong Chen, Erwei Li, Li Liu, Mingfang Liao, Zhaoxiang Zhu, Wenying Zhuang, Li Bao, Hongwei Liu
Five new botryane sesquiterpenes (1: -5: ), one new cyclopentadepsipeptide (9: ), and two new xanthones (11:  - 12: ), together with 11 known compounds, were isolated from Trichoderma oligosporum . The structures of the new compounds were identified by comprehensive spectroscopic methods including nuclear magnetic resonance and mass spectrometry. The cytotoxicity of 1: -19: was evaluated against K562, A549, and ASPC cell lines. Compounds 5, 8, 11, 17: , and 18: showed cytotoxicity against the K562 cell line with more than 50% inhibition at 12...
March 22, 2018: Planta Medica
https://www.readbyqxmd.com/read/29532883/lncrna-bc032020-suppresses-the-survival-of-human-pancreatic-ductal-adenocarcinoma-cells-by-targeting-znf451
#20
Zhipeng Zhang, Hongxi Chen, Yebin Lu, Tiecheng Feng, Weijia Sun
This study examined the effects of long non‑coding RNA (lncRNA) BC032020 on the development of human pancreatic ductal adenocarcinoma (PDAC), and the potential molecular mechanisms responsible for these effects. The expression of BC032020 was assessed in 20 pairs of PDAC tumor tissues and adjacent normal tissues. The overexpression of BC032020 was enforced in the AsPC‑1 and PANC‑1 cells, and the effects on cell proliferation, cell cycle distribution, cell migration and apoptosis were determined. We also analyzed the functions of zinc finger protein 451 (ZNF451), which shares a gene sequence with two exons of BC032020 and a non‑coding region with another two exons, in PDAC cells...
April 2018: International Journal of Oncology
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