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https://www.readbyqxmd.com/read/29048645/establishment-and-characterization-of-human-osteosarcoma-cells-resistant-to-pyropheophorbide-%C3%AE-methyl-ester-mediated-photodynamic-therapy
#1
Yong Tao, Yunsheng Ou, Hang Yin, Yanyang Chen, Shenxi Zhong, Yongjian Gao, Zenghui Zhao, Bin He, Qiu Huang, Qianxing Deng
The present study was performed to establish and characterize new human osteosarcoma cell lines resistant to pyropheophorbide-α methyl ester‑mediated photodynamic therapy (MPPa-PDT). MPPa-PDT-resistant cells are isolated from the human osteosarcoma MG63 and HOS cell lines and two resistant populations were finally acquired, including MG63/PDT and HOS/PDT. Cell Counting Kit-8 (CCK-8) assay was used to determine the MPPa-PDT, cisplatin (CDDP) resistance and proliferation of MG63, MG63/PDT, HOS and HOS/PDT cells...
September 27, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29045966/-immune-effects-of-specific-ctls-response-induced-by-dendritic-cells-pulsed-with-ny-eso-1-peptide
#2
J W Liu, X Lu, Z M Yang, L J Deng, L Yang
OBJECTIVE: To explore the potential of autologous dendritic cells (DCs) pulsed with caner/testis antigen NY-ESO-1 peptides in inducing specific cytotoxic T lymphocyte (CTLs) response and antineoplastic immune function of specific CTLs. METHODS: Fifteen patients with II to III stage positive HLA -A0201(+) and NY-ESO-1(+) were enrolled in the Cancer Hospital Chinese Academy of Medical Sciences on the basis of preclinical experiments from November 2014 to October 2015, and their peripheral blood mononuclear cells (PBMCs) and peripheral blood lymphocytes (PBLs) were isolated...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29035886/response-gene-to-complement-32-promotes-the-imbalance-of-treg-th17-in-patients-with-dilated-cardiomyopathy
#3
Bailing Li, Wei Zhou, Xiaojun Tang, Wei Wang, Jiajun Pan, Mengwei Tan
BACKGROUND/AIMS: The imbalance of Treg/Th17 cells plays important role in the pathogenesis of dilated cardiomyopathy (DCM). Response gene to complement (RGC)-32 is a cell cycle regulator that plays an important role in cell proliferation. We evaluated whether the upregulation of RGC-32 was implicated in the homeostasis of Treg/Th17 cells in DCM. METHODS: The levels of plasma RGC-32, IL-17 and TGF-β1, and the frequencies of circulating CD4+ RGC-32+ T cells, Th17 and Treg cells in patients with DCM were determined by Cytokine-specific sandwich ELISA and the flow cytometer (FCM), respectively...
October 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29033620/comparative-safety-of-intravenous-ferumoxytol-versus-ferric-carboxymaltose-for-the-treatment-of-iron-deficiency-anemia-rationale-and-study-design-of-a-randomized-double-blind-study-with-a-focus-on-acute-hypersensitivity-reactions
#4
N Franklin Adkinson, William E Strauss, Kristine Bernard, Robert F Kaper, Iain C Macdougall, Julie S Krop
BACKGROUND: Intravenous (IV) iron is often used to treat iron deficiency anemia in patients who are unable to tolerate or are inadequately managed with oral iron. However, IV iron treatment has been associated with acute hypersensitivity reactions. The comparative risk of adverse events (AEs) with IV iron preparations has been assessed by a few randomized controlled trials, which are most often limited by small patient numbers, which lack statistical power to identify differences in low-frequency AE such as hypersensitivity reactions...
2017: Journal of Blood Medicine
https://www.readbyqxmd.com/read/29032713/intravenous-iron-treatments-for-iron-deficiency-anemia-in-inflammatory-bowel-disease-a-budget-impact-analysis-of-iron-isomaltoside-1000-monofer-in-the-uk
#5
R F Pollock, G Muduma
Iron deficiency is the leading cause of anemia in patients with inflammatory bowel disease (IBD). Intravenous iron is the first-line treatment for clinically active IBD or previous oral iron intolerance. The aim of the present study was to develop a comparative model of iron deficiency and delivery for iron isomaltoside (IIM), ferric carboxymaltose (FCM), low molecular weight iron dextran (LMWID), and iron sucrose (IS) in the treatment of iron deficiency anemia associated with IBD. Areas covered: A model was developed to evaluate iron delivery characteristics, resource use and costs associated with IIM, FCM, LMWID and IS...
October 16, 2017: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/29026195/characterization-of-fluorescein-arsenical-hairpin-flash-as-a-probe-for-single-molecule-fluorescence-spectroscopy
#6
Dennis D Fernandes, Jasbir Bamrah, Senthilkumar Kailasam, Gregory-Neal W Gomes, Yuchong Li, Hans-Joachim Wieden, Claudiu C Gradinaru
In recent years, new labelling strategies have been developed that involve the genetic insertion of small amino-acid sequences for specific attachment of small organic fluorophores. Here, we focus on the tetracysteine FCM motif (FLNCCPGCCMEP), which binds to fluorescein arsenical hairpin (FlAsH), and the ybbR motif (TVLDSLEFIASKLA) which binds fluorophores conjugated to Coenzyme A (CoA) via a phosphoryl transfer reaction. We designed a peptide containing both motifs for orthogonal labelling with FlAsH and Alexa647 (AF647)...
October 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29021991/segmentation-of-multicolor-fluorescence-in-situ-hybridization-images-using-an-improved-fuzzy-c-means-clustering-algorithm-by-incorporating-both-spatial-and-spectral-information
#7
Jingyao Li, Dongdong Lin, Yu-Ping Wang
Multicolor fluorescence in situ hybridization (M-FISH) is a multichannel imaging technique for rapid detection of chromosomal abnormalities. It is a critical and challenging step to segment chromosomes from M-FISH images toward better chromosome classification. Recently, several fuzzy C-means (FCM) clustering-based methods have been proposed for M-FISH image segmentation or classification, e.g., adaptive fuzzy C-means (AFCM) and improved AFCM (IAFCM), but most of these methods used only one channel imaging information with limited accuracy...
October 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28993045/-the-pharmaceutical-industry-and-specialised-medical-training-residents-perceptions-in-madrid-spain
#8
Raquel González-Rubio, Esperanza Escortell-Mayor, Isabel Del Cura González
OBJECTIVE: To assess the frequency of exposure and attitudes to the pharmaceutical industry (PI) of residents in the Region of Madrid (RM), Spain, and to analyse the association with specialty, professional environment and training. METHODS: Cross-sectional electronic survey in May and June 2015 of all medical residents in RM. We collected sociodemographic variables and those of interaction with the PI in four blocks: frequency of interactions, attitudes and perceptions, environment and regulatory framework, and skills; with the first two blocks we created a Synthetic PI Interaction Index (SPIII)...
October 6, 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28989537/effect-of-inhibiting-beclin-1-expression-on-autophagy-proliferation-and-apoptosis-in-colorectal-cancer
#9
Lin Liu, Wei-Min Zhao, Xin-Hui Yang, Zhen-Qiang Sun, Hui-Zhen Jin, Cheng Lei, Bo Jin, Hai-Jiang Wang
The present study aimed to investigate the molecular mechanisms and effect of Beclin-1 on autophagy, proliferation and apoptosis in the colorectal cancer (CRC) HCT116 and SW620 cells. Beclin-1 was silenced by RNA interference (RNAi) in HTC116 and SW620 cells. Reverse transcription-polymerase chain reaction and western blot were used to measure the expression of Beclin-1. The percentage of apoptotic cells was analyzed by cell counting kit-8 (CCK-8) and flow cytometry (FCM). Cell cycle and cell proliferation were analyzed by FCM and the MTT assay...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28987589/hydroxy-selenomethionine-a-novel-organic-selenium-source-that-improves-antioxidant-status-and-selenium-concentrations-in-milk-and-plasma-of-mid-lactation-dairy-cows
#10
P Sun, J Wang, W Liu, D P Bu, S J Liu, K Z Zhang
This study aimed to evaluate the effect of hydroxy-selenomethionine (HMSeBA), a novel organic selenium (Se) source, on milk performance, antioxidative status, and Se concentrations in the milk and plasma of mid-lactation dairy cows compared with that of sodium selenite (SS). Fifty mid-lactation dairy cows with similar days in milk, milk yield, and parity received the same basal diet containing 0.06 mg of Se/kg of DM. They were assigned to 1 of 5 treatments according to a randomized complete block design: negative control (without Se supplementation), SS supplementation (0...
October 4, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28980766/cancer-related-mrna-expression-analysis-using-a-novel-flow-cytometry-based-assay
#11
REVIEW
Barbara Depreter, Jan Philippé, Magali Meul, Barbara Denys, Karl Vandepoele, Barbara De Moerloose, Tim Lammens
BACKGROUND: Cancer-related gene expression data mostly originate from unfractionated bulk samples, leading to 'expression averaging' of heterogeneous populations. Multicolor flow cytometry (FCM) may distinguish heterogeneous populations based on the phenotypic characterization of single-cells, but is not applicable for RNA targets. Here, we evaluated the PrimeFlow™ RNA assay, a novel FCM-based assay designed to measure gene expressions, in two cancer entities with high and low RNA target levels...
October 5, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28979127/biochemical-assessments-of-thyroid-profile-serum-25-hydroxycholecalciferol-and-cluster-of-differentiation-5-expression-levels-among-children-with-autism
#12
Tarek Desoky, Mohammed H Hassan, Hanan M Fayed, Hala M Sakhr
BACKGROUND: The exact pathogenesis of autism is still unknown. Both thyroid hormones and 25(OH)D are important for brain development, in addition to CD5; all have immunomodulatory actions by which their dysregulation may have a potential role in autism pathogenesis. OBJECTIVES: The objectives of this study were to assess the thyroid profile, serum 25(OH)D levels and CD5 expression levels among autistic patients and to find out the correlations between the measured biomarkers with each other on one side and with the disease severity on the other side...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28975965/effects-of-estradiol-and-progesterone-on-the-growth-of-hela-cervical-cancer-cells
#13
Y Liu, L-B Tian, H-Y Yang, H-P Zhang
OBJECTIVE: The purpose of this project was to examine the effects of estradiol (E2) and progesterone (P) on the proliferation of HeLa cells. E2 promoted and P inhibited the proliferation of HeLa cells. MATERIALS AND METHODS: Then, we tested the consequence of combining the different activities of E2 + P. RESULTS: We found that P inhibited the proliferative effect of E2 on HeLa cells. Analysis of fotocitometry (FCM) cell cycle and apoptosis rate showed that E2 decreased significantly G0/G1 phase, P and E2 + P significantly increased G0/G, and decreased significantly S phase...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28972959/role-of-paeonol-in-an-astrocyte-model-of-parkinson-s-disease
#14
Maosheng Ye, Yuxin Yi, Shixing Wu, Yong Zhou, Dongjie Zhao
BACKGROUND Parkinson's disease (PD) is characterized by a progressive degeneration of dopaminergic (DA) neurons in the substantia nigra pars compacta (SNc). Inflammation and neural degeneration are implicated in the pathogenesis of PD. Paeonol has been verified to attenuate inflammation. MATERIAL AND METHODS 1-methyl-4-phenylpyridnium ion (MPP+, 100 μM) was used to induce the cell model of PD in primary cultured astrocytes. Astrocyte cell viability and apoptosis were determined by 3-(4, 5-dimethyl-2-thiazolyl)-2, 5-diphenyl-2-H-tetrazolium bromide (MTT) assay and flow cytometry (FCM), respectively...
October 3, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28971893/the-crosstalk-between-esc-and-m%C3%AF-impairs-cytotoxicity-of-nk-cell-by-secreting-il-10-and-tgf-%C3%AE-in-ems
#15
Hui-Li Yang, Wen-Jie Zhou, Kai-Kai Chang, Jie Mei, Li-Qing Huang, Ming-Yan Wang, Yi Meng, Si-Yao Ha, Da-Jin Li, Ming-Qing Li
The dysfunction of NK cells in women with endometriosis (EMS) contributes to the immune escape of menstrual endometrial fragments refluxed into the peritoneal cavity. The reciprocal communications between endometrial stromal cells (ESCs) and lymphocytes facilitate the development of EMS. However, the mechanism of these communications on cytotoxicity of natural killer (NK) cells in endometriotic milieus is still larger unknown. To imitate the local immune microenvironment, the co-culture systems of ESCs from patients with EMS and monocyte-derived macrophages or of ESCs, macrophages and NK cells were constructed...
October 2, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28954344/-immune-reconstruct-regularity-profile-of-kir2dl1-and-kir3dl1-in-unrelated-donor-allogeneic-hematopoietic-stem-cell-transplantation
#16
X Hu, J He, H H Zhang, X J Bao, M Wang, J Zhang, J N Cen, X J Wu, X J Yang
Objective: To investigate the immune reconstruct regularity profile of KIR2DL1 and KIR3DL1 in unrelated-donor allogeneic hematopoietic stem cell transplantation (allo-HSCT) with KIR-AA genotype. Method: 75 donor-recipient pairs were performed by KIR genotying using PCR-SSP, and all donors were identified with KIR-AA genotype. Dynamic detections (including unrelated-donor on the day of transplantation and the recipient each month post allo-HSCT) of the expression of KIR2DL1/3DL1 on NK cell and mRNA level were performed in 291 cases using flow cytometry (FCM) and real-time fluorescent quantitation PCR (RT-qPCR) ...
August 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28945040/-ginsenoside-rh%C3%A2-induces-apoptosis-and-autophagy-of-k562-cells-by-activating-p38
#17
Xiao-Xia Liu, Jing Xia, Jia-Feng Tang, Ming-Hua Zhou, Di-Long Chen, Ze-Hong Liu
To study the effect of ginseng saponin Rh₂ in inducing apoptosis of human leukemia K562 cells, and explore its mechanism from the aspect of autophagy pathway. CCK-8 assay was used to examine the growth inhibition of human leukemia cell lines K562 treated with ginsenoside Rh₂; flow cytometry (FCM) was used to detect cell apoptosis; Hoechst staining was used to observe the changes of cell morphological apoptosis; Acridine and MDC staining were used to detect the effects of the Rh₂ on autophagy; Western blot and RT-PCR were used to detect the expression levels of the proteins closely associated with autophagy and apoptosis...
January 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28926893/-effect-of-intratumor-heterogeneity-of-esophageal-squamous-cell-carcinoma-on-chemotherapy-sensitivity
#18
L Sun, W Wu, M Yan, P L Han, X Zhan, X W Ma, X G Cao, S Zhao, F Gao, Y Qi, W Cao
Objective: To investigate the relationship of heterogeneity of esophageal squamous cell carcinoma (ESCC) and chemotherapy sensitivity. Methods: Five different region specimens isolated from primary tumor(R1~R5)and 1 specimen(R6)isolated from adjacent non-neoplastic tissue from 10 ESCC patients who underwent surgical treatment were cultured in vitro. The inhibitory effect of cisplatin on proliferation of ESCC cells from different regions was determined by methyl thiazolyl tetrazolium (MTT). The cell cycle and apoptosis induced by cisplatin was determined by flow cytometry (FCM) analysis...
September 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28926094/curcumin-regulates-proliferation-autophagy-and-apoptosis-in-gastric-cancer-cells-by-affecting-pi3k-and-p53-signaling
#19
Hongbing Fu, Changming Wang, Dejun Yang, Xin Zhang, Ziran Wei, Zhenxin Zhu, Jiapeng Xu, Zunqi Hu, Yu Zhang, Weimin Wang, Ronglin Yan, Qingping Cai
In this study, we aimed to investigate the effects of curcumin on cell activities of gastric cancer (GC), and the connection between curcumin and P53 as well as PI3K signaling. This study was conducted with two cell lines SGC-7901 and BGC-823, both were exposed to curcumin at the concentrations of 0 µM, 10 µM, 20 µM and 40 µM. MTT assay, flow cytometry (FCM) assay, transmission electron microscopy (TEM) were used to study the underlying mechanisms of curcumin in respective of proliferation, apoptosis and autophagy...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28924376/verteporfin-inhibits-cell-proliferation-and-induces-apoptosis-in-human-leukemia-nb4-cells-without-light-activation
#20
Min Chen, Liang Zhong, Shi-Fei Yao, Yi Zhao, Lu Liu, Lian-Wen Li, Ting Xu, Liu-Gen Gan, Chun-Lan Xiao, Zhi-Ling Shan, Bei-Zhong Liu
Background and Aims: Verteporfin (VP), clinically used in photodynamic therapy for neovascular macular degeneration, has recently been proven a suppressor of yes-associated protein (YAP) and has shown potential in anticancer treatment. However, its anti-human leukemia effects in NB4 cells remain unclear. In this study, we investigated the effects of VP on proliferation and apoptosis in human leukemia NB4 cells. Methods: NB4 cells were treated with VP for 24 h. The effects of VP on cell proliferation were determined using a Cell-Counting Kit-8 assay (CCK-8) assay and colony forming assay...
2017: International Journal of Medical Sciences
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