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https://www.readbyqxmd.com/read/29684875/toxicoproteomic-analysis-of-human-lung-epithelial-cells-exposed-to-steel-industry-ambient-particulate-matter-pm-reveals-possible-mechanism-of-pm-related-carcinogenesis
#1
S Senthil Kumar, P Muthuselvam, V Pugalenthi, N Subramanian, K M Ramkumar, T Suresh, T Suzuki, P Rajaguru
Toxicoproteomic analysis of steel industry ambient particulate matter (PM) that contain high concentrations of PAHs and metals was done by treating human lung cancer cell-line, A549 and the cell lysates were analysed using quantitative label-free nano LC-MS/MS. A total of 18,562 peptides representing 1576 proteins were identified and quantified, with 196 proteins had significantly altered expression in the treated cells. Enrichment analyses revealed that proteins associated to redox homeostsis, metabolism, and cellular energy generation were inhibited while, proteins related to DNA damage and repair and other stresses were over expressed...
April 20, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29684859/isorhamnetin-a-hepatoprotective-flavonoid-inhibits-apoptosis-and-autophagy-via-p38-ppar-%C3%AE-pathway-in-mice
#2
Xiya Lu, Tong Liu, Kan Chen, Yujing Xia, Weiqi Dai, Shizan Xu, Ling Xu, Fan Wang, Liwei Wu, Jingjing Li, Sainan Li, Wenwen Wang, Qiang Yu, Jiao Feng, Xiaoming Fan, Yingqun Zhou, Peiqin Niu, Chuanyong Guo
Isorhamnetin, a flavonoid compound extracted from plants' fruit or leaves, like sea buckthorn (Hippophae rhamnoides L.), has many biological functions, including anti-tumor, anti-oxidant and anti-inflammatory effect. The present study is in order to explore the hepatoprotective effect of isorhamnetin on concanavalin A (ConA)-induced acute fulminant hepatitis and the underlying mechanism. Mice were injected with ConA (25 mg/kg) to induce acute fulminant hepatitis, three doses of isorhamnetin (10/30/90 mg/kg) was intraperitoneally administrated about 1 h previously...
April 20, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29684858/a-novel-triazine-ring-compound-md568-exerts-in-vivo-and-in-vitro-effects-on-lipid-metabolism
#3
Dan Jia, Ziwen Li, Ying Gao, Yifan Feng, Weimin Li
In this study, we investigated the toxicity and biological activity of a novel triazine ring compound named magnolol derivative 568 (MD568). The LD50 of MD568 was determined in Sprague-Dawley (SD) rats by intraperitoneal injection. Treatment of high fat diet-induced obese rats with MD568 demonstrated that MD568 displayed significant anti-obesity effects. MD568 markedly reduced body weight, blood lipid contents, white adipose tissue (WAT) and liver mass in obese rats. In addition, MD568 modulated lesions in WAT through regulating PPAR-Ɣ, C/EBP-a, SREBP-1c and FABP-4 proteins in the liver through regulating PPAR-α, SREBP-1c and FABP-4...
April 20, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29684857/microrna-449a-functions-as-a-tumor-suppressor-in-pancreatic-cancer-by-the-epigenetic-regulation-of-atdc-expression
#4
Feng Li, Jing Liang, Lu Bai
A growing body of evidence has suggested that microRNAs (miRNAs) play a pivotal role in the development and progression of pancreatic cancer. miRNA-449a (miR-449a) has attracted particular interest due to its critical role in regulating cancer biology in numerous cancer types. However, whether miR-449a is involved in the regulation of pancreatic cancer development and progression remains unknown. In this study, we aimed to investigate the expression pattern and potential biological function of miR-449a in pancreatic cancer...
April 20, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29684855/post-transcription-mediated-snail-stabilization-is-involved-in-radiation-exposure-induced-invasion-and-migration-of-hepatocarcinoma-cells
#5
Liyang Dong, Xuebang Zhang, Wei Xiang, Junwei Ni, Weizhong Zhou, Haiyan Li
Increasing evidences suggested that radiotherapy can paradoxically promote tumor invasion and metastatic processes, while its detailed mechanism is not well illustrated. Our present study found that radiation can promote the migration and invasion of hepatocellular carcinoma (HCC) cells via induction of epithelial mesenchymal transition (EMT), which was evidenced by the results that radiation induced up regulation of vimentin while down regulation of E-Cadherin. As to the EMT-related transcription factors, radiation increased the expression of Snail, while not Slug, ZEB1 or TWIST...
April 20, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29684853/naringenin-improve-hepatitis-c-virus-infection-induced-insulin-resistance-by-increase-pten-expression-via-p53-dependent-manner
#6
Benli Jia, Dongsheng Yu, Gang Yu, Yunsheng Cheng, Yang Wang, Xiaoqiang Yi, Xiaoping Li, Yong Wang
Hepatitis C virus (HCV) infection may finally lead to hepatocellular carcinoma (HCC), and also associated with insulin resistance (IR). Naringenin (NGEN), a flavonoid found in grapefruit, has anti-virus, anti-inflammation and insulin sensitization effects. In the present study we examined the effects of NGEN on HCV core protein (HCVCP) infection induced IR and investigated the mechanism involved. We found that NGEN ameliorated IR and glucose tolerance in HCVCP infected mice by increase the phosphorylation of Akt at both Ser473 and Thr308 site, and also inhibited the inflammation cytokine production and T-cell immune response...
April 20, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29684848/protective-effects-of-ifn-%C3%AE-on-the-kidney-of-type-2-diabetic-kkay-mice
#7
Juan Du, Wenpeng Dong, Huifeng Li, Bo Li, Xiaodan Liu, Qinghui Kong, Wei Sun, Tingli Sun, Peilong Ma, Yan Cui, Ping Kang
BACKGROUND: Development of novel therapeutic strategies that specifically target diabetic kidney disease (DKD) is urgently needed. METHODS: Male KKAy mice were divided randomly into three equal groups - KK, KI, and KF; Male C57BL/6 mice were the control group. All KKAy mice were fed a high-fat diet. From the 16th week, the KI group was given IFN-γ, and the KF group was assigned to be treated with fludarabine. C57BL/6 mice were always fed a normal mouse diet. Every 4 weeks, body weight, random blood sugar, urine albumin and urea of all mice were measured...
December 21, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29684847/the-association-between-p53-protein-phosphorylation-at-serine-15-serine-20-and-sensitivity-of-cells-isolated-from-patients-with-ovarian-cancer-and-cell-lines-to-chemotherapy-in-in-vitro-study
#8
Iwona Kamińska, Julia K Bar
BACKGROUND: The association between p53 protein phosphorylated at serine 15 (Ser15), serine 20 (Ser20) and ovarian tumor cell sensitivity after chemotherapy was analyzed in order to define the influence of p53 activation on tumor cell sensitivity to chemotherapy. METHODS: The study was performed on ovarian cancer cell line (OvBH-1), colon adenocarcinoma metastasis to ovary (SW626) and on cells isolated from ascitic fluids from patients with ovarian cancer: with (p53+) or without (p53-) p53 nuclear protein accumulation...
December 15, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29684814/transcriptional-and-translational-abundance-of-bone-morphogenetic-protein-bmp-2-4-6-7-and-their-receptors-bmpr1a-1b-and-bmpr2-in-buffalo-ovarian-follicle-and-the-role-of-bmp4-and-bmp7-on-estrogen-production-and-survival-of-cultured-granulosa-cells
#9
G Rajesh, S R Mishra, A Paul, M Punetha, G M Vidyalakshmi, K Narayanan, S Bag, S K Bhure, V Singh Chouhan, V P Maurya, G Singh, Mihir Sarkar
BMPs and their receptors modulate the granulosa cell (GC) function in the follicle of domestic animals. Since little is known on BMPs in the buffalo, the present study was aimed to investigate the expression of BMP2, 4, 6, 7 and their receptors BMPR1A, BMPR1B, BMPR2 in the GC and theca cells (TC) of ovarian follicles and the role of BMP4 and BMP7 on buffalo GC. Follicles were classified into four groups based on size and E2 level in the follicular fluid as follows: (i) Group1(4-6 mm; <0.5 ng/mL) (ii) Group 2 (7-9 mm; 0...
April 16, 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29684791/the-role-of-promyelocytic-leukemia-protein-in-steatosis-associated-hepatic-tumors-related-to-chronic-hepatitis-b-virus-infection
#10
Yih-Lin Chung, Mei-Ling Wu
The persistence of hepatitis B surface antigen (HBsAg) is a risk factor for the development of steatosis-associated tumors in chronic hepatitis B virus (HBV) infection, yet little is known about the metabolic link with this factor. We correlated HBV-related pathogenesis in genetically engineered mice and human carriers with metabolic proteomics and lipogenic gene expression profiles. The immunohistochemistry showed that the promyelocytic leukemia protein (PML, a tumor suppressor involved in genome maintenance and fatty acid oxidation), being inversely influenced by the dynamic HBsAg levels from acute phase to seroclearance, appeared as a lipo-metabolic switch linking HBsAg-induced steatosis (lipogenesis) to HBsAg-lost fat-burning hepatocarcinogenesis (lipolysis)...
April 20, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29684776/cyclic-uniaxial-compression-of-human-stem-cells-seeded-on-a-bone-biomimetic-nanocomposite-decreases-anti-osteogenic-commitment-evoked-by-shear-stress
#11
Walter Baumgartner, Isabelle Schneider, Samuel C Hess, Wendelin J Stark, Sonja Märsmann, Marzia Brunelli, Maurizio Calcagni, Paolo Cinelli, Johanna Buschmann
OBJECTIVE: Chemical supplementation of culture media to induce differentiation of adult stem cells seeded on a scaffold may mask other differentiation triggers such as scaffold stiffness, chemical composition or mechanical stimulation. However, stem cells can be differentiated towards osteoblasts without any supplementation given an appropriate osteogenic scaffold and an adequate mechanical stimulation. MATERIALS AND METHODS: Electrospun meshes of poly-lactic-co-glycolic acid and amorphous calcium phosphate nanoparticles (PLGA/aCaP) in a weight ratio of 60:40 were seeded with human adipose-derived stem cells (ASCs) and cultured in DMEM...
April 5, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29684687/arsenic-trioxide-inhibits-proliferation-and-induced-apoptosis-of-leukemia-stem-cells-with-drug-resistance
#12
Chunxia Liu, Hulai Wei, Xiaojian Yao, Bei Liu, Yaming Xi, Li Zhao
Acute myeloid leukemia (AML) patients show high relapse rates and some develop conventional chemotherapy resistance. Leukemia Stem Cells (LSCs) are the main player for AML relapses and drug resistance. K562/ADM cell, a leukemia resistant cell subtype, was used as leukemia multidrug resistant model to explore drug resistance of leukemia cells. We found that CD34+ CD38- , CD34+ CD38- CD123+ , cell surface markers of LSCs were significantly high expressed in K562/ADM cell, not in K562 cell with less drug resistance; compared with LSCs from K562, multidrug resistance protein P-gp and BCRP expression were significantly higher in K562/ADM cell...
March 2, 2018: Leukemia Research
https://www.readbyqxmd.com/read/29684684/targeted-data-independent-acquisition-for-mass-spectrometric-detection-of-ras-mutations-in-formalin-fixed-paraffin-embedded-tumor-biopsies
#13
Yeoun Jin Kim, Andrew G Chambers, Fabiola Cecchi, Todd Hembrough
Genomic testing for KRAS and NRAS mutations in clinical biopsies of various cancers is routinely performed to predict futility of anti-epidermal growth factor receptor (anti-EGFR) therapies. We hypothesized that RAS mutations could be detected and quantified at the protein level for diagnostic purposes using data-independent acquisition (DIA)-based mass spectrometry in formalin-fixed, paraffin-embedded (FFPE) tumor samples. We developed a targeted DIA assay that surveys the specific mass range of all possible peptides harboring activating mutations in KRAS exon 2...
April 20, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29684677/human-stem-cell-based-corneal-tissue-mimicking-structures-using-laser-assisted-3d-bioprinting-and-functional-bioinks
#14
Anni Sorkio, Lothar Koch, Laura Koivusalo, Andrea Deiwick, Susanna Miettinen, Boris Chichkov, Heli Skottman
There is a high demand for developing methods to produce more native-like 3D corneal structures. In the present study, we produced 3D cornea-mimicking tissues using human stem cells and laser-assisted bioprinting (LaBP). Human embryonic stem cell derived limbal epithelial stem cells (hESC-LESC) were used as a cell source for printing epithelium-mimicking structures, whereas human adipose tissue derived stem cells (hASCs) were used for constructing layered stroma-mimicking structures. The development and optimization of functional bioinks was a crucial step towards successful bioprinting of 3D corneal structures...
April 16, 2018: Biomaterials
https://www.readbyqxmd.com/read/29684657/engineering-low-cadmium-rice-through-stress-inducible-expression-of-oxs3-family-member-genes
#15
Changhu Wang, Weili Guo, Xingzhe Cai, Ruyu Li, David W Ow
Cadmium (Cd) as a carcinogen poses a great threat to food security and public health through plant-derived foods such as rice, the staple for nearly half of the world's population. We have previously reported that overexpression of truncated gene fragments derived from the rice genes OsO3L2 and OsO3L3 could reduce Cd accumulation in transgenic rice. However, we did not test the full length genes due to prior work in Arabidopsis where overexpression of these genes caused seedling lethality. Here, we report on limiting the overexpression of OsO3L2 and OsO3L3 through the use of the stress- inducible promoter RD29B...
April 20, 2018: New Biotechnology
https://www.readbyqxmd.com/read/29684611/rna-seq-based-transcriptional-analysis-reveals-dynamic-genes-expression-profiles-and-immune-associated-regulation-under-heat-stress-in-apostichopus-japonicus
#16
Dongxue Xu, Shun Zhou, Lina Sun
In this study, we explored the gene expression profiles in Apostichopus japonicus under continuous heat stress (6 h, 48 h and 192 h) by applying RNA-seq technique. A total of 676, 1010 and 1083 differentially expressed genes were detected at three heat stress groups respectively, which suggested complex regulation of various biological processes. Then we focused on the changing of immune system under HS in sea cucumbers. Key immune-associated genes were involved in heat stress response, which were classified into six groups: heat shock proteins, transferrin superfamily members, effector genes, proteases, complement system, and pattern recognition receptors and signaling...
April 20, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29684608/recombinant-infectious-hematopoietic-necrosis-virus-expressing-infectious-pancreatic-necrosis-virus-vp2-protein-induces-immunity-against-both-pathogens
#17
Mengting Guo, Wen Shi, Yanxue Wang, Yuting Wang, Yaping Chen, Dechuan Li, Xuanyu Ren, Xiaojing Hua, Lijie Tang, Yijing Li, Min Liu
Infectious hematopoietic necrosis virus (IHNV) and infectious pancreatic necrosis virus (IPNV) are typical pathogens of rainbow trout. Their co-infection is also common, which causes great economic loss in juvenile salmon species. Although vaccines against IHNV and IPNV have been commercialized in many countries, the prevalence of IHNV and IPNV is still widespread in modern aquaculture. In the present study, two IHNV recombinant viruses displaying IPNV VP2 protein (rIHNV-IPNV VP2 and rIHNV-IPNV VP2COE) were generated using the RNA polymerase Ⅱ system to explore the immunogenicity of IHNV and IPNV...
April 20, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29684602/trans-cinnamic-acid-application-for-rainbow-trout-oncorhynchus-mykiss-i-effects-on-haematological-serum-biochemical-non-specific-immune-and-head-kidney-gene-expression-responses
#18
Sevdan Yilmaz, Sebahattin Ergün
The present study investigated the effects of dietary trans-cinnamic acid (CA) on pre- and post-challenge haematological, serum biochemical, non-specific immune and head kidney gene expression responses of rainbow trout, Oncorhynchus mykiss juveniles. In this regard, fish with an average weight of 17.01 ± 0.05 g were divided into five groups, and fed daily with an additive free basal diet (control); 250, 500, 750 or 1500 mg kg-1  CA for a 60-day period. Fish were sampled every 20 days during the experiment...
April 20, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29684601/the-effect-of-intermittent-hypoxia-under-different-temperature-on-the-immunomodulation-in-streptococcus-agalactiae-vaccinated-nile-tilapia-oreochromis-niloticus
#19
Jing Wang, Dan-Qi Lu, Biao Jiang, Heng-Li Luo, Ge-Ling Lu, An-Xing Li
Dissolved oxygen (DO) and temperature are the potential immunomodulators in fish and play the important roles in regulating immunity. We studied the effect of intermittent hypoxia under different temperature on the immunomodulation in vaccinated Nile tilapia (Oreochromis niloticus). The expression of immune-related genes, enzymatic activities, histology, cumulative mortality, and S. agalactiae clearance were assessed. Study conditions were intermittently hypoxic (4.0 ± 1.0 mg/L DO) at 30 ± 0.5 °C or 35 ± 0...
April 20, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29684595/apelin-and-elabela-toddler-double-ligands-for-apj-apelin-receptor-in-heart-development-physiology-and-pathology
#20
Keiji Kuba, Teruki Sato, Yumiko Imai, Tomokazu Yamaguchi
Apelin is an endogenous peptide ligand for the G protein-coupled receptor APJ/AGTRL1/APLNR and is widely expressed throughout human body. In adult hearts Apelin-APJ/Apelin receptor axis is potently inotropic, vasodilatory, and pro-angiogenic and thereby contributes to maintaining homeostasis in normal and pathological hearts. Apelin-APJ/Apelin receptor is also involved in heart development including endoderm differentiation, heart morphogenesis, and coronary vascular formation. APJ/Apelin receptor had been originally identified as an orphan receptor for its sequence similarity to Angiotensin II type 1 receptor, and it was later deorphanized by identification of Apelin in 1998...
April 20, 2018: Peptides
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