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https://www.readbyqxmd.com/read/29458146/enhanced-anticancer-effects-of-scutellaria-barbata-d-don-in-combination-with-traditional-chinese-medicine-components-on-non-small-cell-lung-cancer-cells
#1
Qian Wang, Narayan Acharya, Zhongwei Liu, Xianmei Zhou, Meghan Cromie, Jia Zhu, Weimin Gao
ETHNOPHARMACOLOGICAL RELEVANCE: Experience-based herbal medicine as a complementary to modern western medicine has triggered an array of studies in quest of novel anticancer drugs. Scutellaria barbata D. Don (SB) is commonly used to treat different types of cancers, but its molecular mechanism of action is not clearly understood. In this study, we attempted to elucidate the mode of action of a traditional Chinese medicine prescription with a total of 14 components, named Lian-Jia-San-Jie-Fang (LJSJF, in Chinese), where SB works as the "principle" against non-small cell lung cancer (NSCLC) cells...
February 16, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29458134/antiviral-activity-of-pyrrole-imidazole-polyamides-against-sv40-and-bk-polyomaviruses
#2
Terri G Edwards, Chris Fisher
The ability of antiviral polyamides (AVP) to act upon polyomaviruses (PyV) was evaluated. Initial studies found that a single treatment of AVP protected SV40-infected BSC-1 cells from cytopathic effect (CPE) for as long as 11 days p.i.. AVP substantially suppressed SV40 genome copy numbers over the duration of the experiment. Immunofluorescence analysis of ataxia-telangiectasia mutated (ATM) activation and large T antigen (LTag) expression clearly demonstrated that AVP treatment at day 1 p.i. delayed the onset of productive SV40 replication by approximately 3 days, and substantially limited the infection relative to vehicle-treated controls...
February 16, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29458108/the-relaxin-receptor-as-a-therapeutic-target-perspectives-from-evolution-and-drug-targeting
#3
REVIEW
Ross A D Bathgate, Martina Kocan, Daniel J Scott, M Akhter Hossain, Sara V Good, Sergey Yegorov, Jan Bogerd, Paul Gooley
The peptide relaxin was first identified as an important circulating hormone during pregnancy over 90 years ago. Research over many years defined the numerous biological roles that relaxin plays throughout pregnancy in many mammalian species. These important biological actions have led to the testing of relaxin as a therapeutic agent for a number of indications. The discovery of the relaxin receptor, RXFP1, in 2002 facilitated the better understanding of the cellular targets of relaxin, its mechanism of action and enabled the development of relaxin mimetics and screening for small molecule agonists...
February 16, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29458087/ngf-fak-signal-pathway-is-implicated-in-angiogenesis-after-acute-cerebral-ischemia-in-rats
#4
Hai-Ting Zhao, Yu-Hu Zhang, Ying-Hui Zhang, Yue Shen, Yi-Dan Zhang, Fang-Fang Bi, Bo Xiao, Hao Zhang, Wen Ye, Hong-Hai Zhang, Yi-Wei Liao
Neurogenesis in the cerebral infarction after an ischemic event is important to the rehabilitation of patients. However, the mechanism of angiogenesis around cerebral ischemia is not clear. Our study designed to test whether the nerve growth factor (NGF)-P-focal adhesion kinase (FAK) signaling pathway for associations with angiogenesis plays a key role in post-acute cerebral ischemia of rats. Firstly, we implanted the Matrigel, a carrier of basement membrane matrix, into the abdominal skin of rats to identify the relevant components of the NGF-P-FAK signaling pathway related to angiogenesis...
February 16, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29457966/combined-treatment-with-valproic-acid-and-5-aza-2-deoxycytidine-synergistically-inhibits-human-clear-cell-renal-cell-carcinoma-growth-and-migration
#5
Wenjin Xi, Xu Chen, Jinbo Sun, Wei Wang, Yi Huo, Guoxu Zheng, Jieheng Wu, Yufang Li, Angang Yang, Tao Wang
BACKGROUND Histone acetylation and DNA methylation are important mammalian epigenetic modifications that participate in the regulation of gene expression. Because dysregulation of histone deacetylase and DNA methyltransferases are hallmarks of malignancy, they have become promising therapeutic targets. In this study, we explored the anti-tumor activity of valproic acid (VPA), a histone deacetylase inhibitor (HDACi) and 5-Aza-2'-deoxycytidine (5-Aza), an inhibitor of DNA methyltransferases, on renal cell carcinoma (RCC) cell lines 786-O and 769-P...
February 19, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29457686/viable-but-non-culturable-and-persistence-describe-the-same-bacterial-stress-state
#6
Jun-Seob Kim, Nityananda Chowdhury, Ryota Yamasaki, Thomas K Wood
Bacteria are often thought of as having two dormant phenotypes: the viable but non-culturable (VBNC) state and the persister state. Here we investigate the relatedness of the two stress-induced phenotypes at the single-cell level and examine cell morphology and quantify cell resuscitation. Using the classic starvation conditions to create VBNC cells, we found that the majority of the remaining Escherichia coli population are spherical, have empty cytosol, and fail to resuscitate; however, some of the spherical cells resuscitate immediately (most probably those with dense cytosol)...
February 19, 2018: Environmental Microbiology
https://www.readbyqxmd.com/read/29456726/association-of-histone-deacetylase-expression-with-histology-and-prognosis-of-ovarian-cancer
#7
Mitsutake Yano, Masanori Yasuda, Mika Sakaki, Koji Nagata, Takashi Fujino, Eiichi Arai, Takahiro Hasebe, Masaki Miyazawa, Mariko Miyazawa, Naoki Ogane, Kosei Hasegawa, Hisashi Narahara
Histone deacetylase (HDAC) inhibitor is known to have a cytotoxic effect on ovarian cancer cell lines. The present study analyzed the association between immunohistochemical HDAC expression and clinicopathological findings, in particular, the association with histological type and effect of chemotherapy. The histology of the 201 ovarian cancers addressed was as follows: Serous carcinoma (SEC), 100 cases; clear cell carcinoma (CCC), 56 cases; endometrioid carcinoma (EMC), 36 cases; and mucinous carcinoma (MUC), 9 cases...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456659/prmt1-rbm15-axis-regulates-megakaryocytic-differentiation-of-human-umbilical-cord-blood-cd34-cells
#8
Shuiling Jin, Yanfang Mi, Jing Song, Peipei Zhang, Yanyan Liu
Protein arginine methyltransferase 1 (PRMT1) serves pivotal roles in various cellular processes. However, its role in megakaryocytic differentiation has not been clearly reported. The aim of the present study was to explore the role of the PRMT-RNA binding motif protein 15 (RBM15) axis in human MK differentiation and the feasibility of targeting PRMT1 for leukemia treatment. In the present study, PRMT1 was overexpressed and the RBM15 protein was knocked down in human umbilical cord blood cluster of differentiation (CD)34+ cells and the cells were then cultured in megakaryocytic differentiation medium...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456535/liver-x-receptor-agonist-therapy-prevents-diffuse-alveolar-hemorrhage-in-murine-lupus-by-repolarizing-macrophages
#9
Shuhong Han, Haoyang Zhuang, Stepan Shumyak, Jingfan Wu, Chao Xie, Hui Li, Li-Jun Yang, Westley H Reeves
The generation of CD138+ phagocytic macrophages with an alternative (M2) phenotype that clear apoptotic cells from tissues is defective in lupus. Liver X receptor-alpha (LXRα) is an oxysterol-regulated transcription factor that promotes reverse cholesterol transport and alternative (M2) macrophage activation. Conversely, hypoxia-inducible factor 1-α (HIF1α) promotes classical (M1) macrophage activation. The objective of this study was to see if lupus can be treated by enhancing the generation of M2-like macrophages using LXR agonists...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29456529/challenges-and-opportunities-for-biomarkers-of-clinical-response-to-ahsct-in-autoimmunity
#10
Kristina M Harris, Tingting Lu, Noha Lim, Laurence A Turka
Autoimmunity represents a broad category of diseases that involve a variety of organ targets and distinct autoantigens. For patients with autoimmune diseases who fail to respond to approved disease-modifying treatments, autologous hematopoietic stem cell transplantation (AHSCT) after high-dose immunosuppressive therapy provides an alternative strategy. Although more than 100 studies have been published on AHSCT efficacy in autoimmunity, the mechanisms that confer long-term disease remission as opposed to continued deterioration or disease reactivation remain to be determined...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29455951/sex-hormone-contributes-to-sexually-dimorphic-susceptibility-in-cvb3-induced-viral-myocarditis-via-modulating-ifn-%C3%AE-nk-cell-production
#11
Nannan Zhou, Yan Yue, Sidong Xiong
BACKGROUND: Viral myocarditis is a widespread cardiac disease associated with inflammation and myocardial injury and is predominantly caused by coxsackievirus B3 (CVB3) infection in humans as well as in mice. CVB3-induced myocarditis shows sexually dimorphic sensitivity and is more prevalent in male mice. Our previous studies showed that natural killer (NK) cells played an indispensable role in CVB3-induced myocarditis, and female mice exhibited less pathological cardiac interferon gamma (IFN-γ)+ NK cell infiltration than did male mice...
January 6, 2018: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29455847/the-fate-choice-between-effector-and-memory-t-cell-lineages-asymmetry-signal-integration-and-feedback-to-create-bistability
#12
Ronald A Backer, Pleun Hombrink, Christina Helbig, Derk Amsen
CD8+ T cells clear primary infections with intracellular pathogens and provide long-term immunity against reinfection. Two different types of CD8+ T cells are responsible for these functions: short-lived effector T cells and memory T cells. The cellular relationship between these two types of CD8+ T cells has been subject to much investigation. Both cell types can derive from a single naïve CD8+ T cell precursor. Their generation requires a fate choice early during a T cell response. As a result, two populations of T cells emerge...
2018: Advances in Immunology
https://www.readbyqxmd.com/read/29455650/management-of-acquired-resistance-to-egfr-tki-targeted-therapy-in-advanced-non-small-cell-lung-cancer
#13
REVIEW
Shang-Gin Wu, Jin-Yuan Shih
Recent advances in diagnosis and treatment are enabling a more targeted approach to treating lung cancers. Therapy targeting the specific oncogenic driver mutation could inhibit tumor progression and provide a favorable prognosis in clinical practice. Activating mutations of epidermal growth factor receptor (EGFR) in non-small cell lung cancer (NSCLC) are a favorable predictive factor for EGFR tyrosine kinase inhibitors (TKIs) treatment. For lung cancer patients with EGFR-exon 19 deletions or an exon 21 Leu858Arg mutation, the standard first-line treatment is first-generation (gefitinib, erlotinib), or second-generation (afatinib) TKIs...
February 19, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29455647/-99m-tc-hynic-tricine-edda-frop-peptide-for-mcf-7-breast-tumor-targeting-and-imaging
#14
Sajjad Ahmadpour, Zohreh Noaparast, Seyed Mohammad Abedi, Seyed Jalal Hosseinimehr
BACKGROUND: Breast cancer is the most common malignancy among women in the world. Development of novel tumor-specific radiopharmaceuticals for early breast tumor diagnosis is highly desirable. In this study we developed99m Tc-HYNIC-(tricine/EDDA)-Lys-FROP peptide with the ability of specific binding to MCF-7 breast tumor. METHODS: The FROP-1 peptide was conjugated with the bifunctional chelator hydrazinonicotinamide (HYNIC) and labeled with99m Tc using tricine/EDDA co-ligand...
February 19, 2018: Journal of Biomedical Science
https://www.readbyqxmd.com/read/29455624/electrospinning-of-polycaprolactone-pluronic-f127-dissolved-in-glacial-acetic-acid-fibrous-scaffolds-fabrication-characterization-and-in-vitro-evaluation
#15
Wenchao Li, Yiqiang Hu, Lei Shi, Xianglin Zhang, Liming Xiong, Wancheng Zhang, Ismat Ullah
The Polycaprolactone (PCL) fibrous scaffolds in nano to micro scale have been considered as excellent templates for cell culture and tissue growth. The hydrophobic nature of the PCL, however, yields low initial cell seeding density, heterogeneous cell spreading and slow cell growth rate. Therefore, in this study the surface hydrophilic fibrous scaffolds were directly fabricated by the electrospinning of PCL solutions with small quantities (0.5~5%) of Pluronic F127 (PEO100 -PPO65 -PEO100 ) dissolved in benign solvent of glacial acetic acid...
February 19, 2018: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/29455136/acclimation-process-of-cultivating-chlorella-vulgaris-in-toxic-excess-sludge-extract-and-its-response-mechanism
#16
Lu Wang, Hualin Wang, Xiurong Chen, Youjun Zhuang, Zeya Yu, TianJun Zhou
Chlorella vulgaris was cultivated in the gradually increased proportion of toxic sludge extracts for acclimation, which was obtained from SBR treated synthetic wastewater containing mixed chlorophenols (2,4,6-trichlorophenol and 4-chlorophenol). The growth of C. vulgaris was obviously improved after acclimation with the cell number in the 100% sludge group was 22.75±0.85∗106 cellmL-1 , which was relatively more than the BG11 control group's (20.80±0.35∗106 cellmL-1 ) and apparently over the 100% sludge group (10...
February 15, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29454790/increased-expression-of-the-long-non-coding-rna-linc01503-regulated-by-tp63-in-squamous-cell-carcinoma-and-effects-on-oncogenic-activities-of-cancer-cell-lines
#17
Jian-Jun Xie, Yan-Yi Jiang, Yuan Jiang, Chun-Quan Li, Lim-Mei Chee, Omer An, Anand Mayakonda, Ling-Wen Ding, Lin Long, Chun Sun, Le-Hang Lin, Li Chen, Jian-Yi Wu, Zhi-Yong Wu, Qi Cao, Wang-Kai Fang, Wei Yang, Stephen J Meltzer, Henry Yang, Melissa Fullwood, Li-Yan Xu, En-Min Li, De-Chen Lin, H Phillip Koeffler
BACKGROUND & AIMS: Long non-coding RNAs (lncRNAs) are expressed in tissue-specific pattern, but it is not clear how these are regulated. We aimed to identify squamous cell carcinoma (SCC)-specific lncRNAs and investigate mechanisms that control their expression and function. METHODS: We studied expression patterns and functions of 4 SCC-specific lncRNAs. We obtained 113 esophageal SCC (ESCC) and matched non-tumor esophageal tissues from a hospital in Shantou City, China, and performed quantitative reverse transcription PCR assays to measure expression levels of LINC01503...
February 15, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29454609/deubiquitinase-inhibitor-b-ap15-activates-endoplasmic-reticulum-er-stress-and-inhibits-wnt-notch1-signaling-pathway-leading-to-the-reduction-of-cell-survival-in-hepatocellular-carcinoma-cells
#18
Youming Ding, Xiaoyan Chen, Bin Wang, Bin Yu, Jianhui Ge
b-AP15, a potent and selective inhibitor of the ubiquitin-specific peptidase 14 (USP14), displays in vitro and in vivo antitumor abilities on some types of cancer cells. However, the mechanism underlying its action is not well elucidated. The purposes of the present study are to observe the potential impacts of b-AP15 on cell survival of hepatocellular carcinoma cells and to investigate whether and how this compound inhibits some survival-promoting signaling pathways. We found that b-AP15 significantly decreased cell viability and increased cell apoptosis in a dose-dependent manner in hepatocellular carcinoma cells, along with the perturbation of cell cycle and the decreased expressions of cell cycle-related proteins...
February 15, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29454534/sarcomatoid-carcinoma-of-the-lung-the-mayo-clinic-experience-in-127-patients
#19
Kunlatida Maneenil, Zhiqiang Xue, Ming Liu, Jennifer Boland, Fengying Wu, Shawn M Stoddard, Julian Molina, Ping Yang
BACKGROUND: Pulmonary sarcomatoid carcinoma (PSC) is an unusual form of non-small-cell lung cancer (NSCLC). Because of its rarity and heterogeneity, the treatment and prognosis of PSC have not been clearly described. METHODS AND MATERIALS: We retrospectively evaluated all patients with a diagnosis of PSC from 1997 to 2015 at the Mayo Clinic (Rochester, MN). The clinical characteristics, treatment details, and outcomes were collected. The survival rates of the PSC patients were compared with those for other subtypes of NSCLC...
December 21, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/29454306/record-4-multicenter-phase-2-trial-of-second-line-everolimus-in-patients-with-metastatic-renal-cell-carcinoma-asian-versus-non-asian-population-subanalysis
#20
Lin Yang, Anna Alyasova, Dingwei Ye, Antonia Ridolfi, Luca Dezzani, Robert J Motzer
BACKGROUND: RECORD-4 assessed everolimus in patients with metastatic renal cell carcinoma (mRCC) who progressed after 1 prior anti-vascular endothelial growth factor (VEGF) or cytokine and reinforced the clinical benefit of second-line everolimus. Because of the high percentage of patients from China enrolled in RECORD-4 (41%) and some reported differences in responses to certain targeted agents between Chinese and Western patients, this subanalysis evaluated outcomes in Asian versus non-Asian patients...
February 17, 2018: BMC Cancer
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