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https://www.readbyqxmd.com/read/28734223/differential-effects-of-citric-acid-on-cadmium-uptake-and-accumulation-between-tall-fescue-and-kentucky-bluegrass
#1
ShuTing Wang, Qin Dong, ZhaoLong Wang
Organic acids play an important role in cadmium availability, uptake, translocation, and detoxification. A sand culture experiment was designed to investigate the effects of citric acid on Cd uptake, translocation, and accumulation in tall fescue and Kentucky bluegrass. The results showed that two grass species presented different Cd chemical forms, organic acid components and amount in roots. The dormant Cd accumulated in roots of tall fescue was the pectate- and protein- integrated form, which contributed by 84...
July 19, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28734213/enhanced-cadmium-phytoremediation-of-glycine-max-l-through-bioaugmentation-of-cadmium-resistant-bacteria-assisted-by-biostimulation
#2
Pongsarun Rojjanateeranaj, Chirawee Sangthong, Benjaphorn Prapagdee
This study examined the potential of three strains of cadmium-resistant bacteria, including Micrococcus sp., Pseudomonas sp. and Arthrobacter sp., to promote root elongation of Glycine max L. seedlings, soil cadmium solubility and cadmium phytoremediation in G. max L. planted in soil highly polluted with cadmium with and without nutrient biostimulation. Micrococcus sp. promoted root length in G. max L. seedlings under toxic cadmium conditions. Soil inoculation with Arthrobacter sp. increased the bioavailable fraction of soil cadmium, particularly in soil amended with a C:N ratio of 20:1...
July 17, 2017: Chemosphere
https://www.readbyqxmd.com/read/28732170/angiotensin-ii-receptors-modulation-of-calcium-homeostasis-in-human-vascular-endothelial-cells
#3
Maud Kamal, Danielle Jacques, Ghassan Bkaily
Angiotensin II (AngII) plays an important role in the regulation of vascular smooth muscle function. However, little is known about AngII and its receptors AT1 (AT1R) and AT2 (AT2R) and their modulation of intracellular calcium in vascular endothelial cells (VECs) in general and more particularly of human origin. Using western blots, our results showed that AT1Rs and AT2Rs are present in human VECs (hVECs). Using quantitative 3D confocal imaging, our results showed that AngII is present at the cytoplasmic and nucleoplasmic levels and its relative density is lower in the nucleoplasm...
July 21, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28731868/inflammatory-myofibroblastic-tumors-of-the-female-genital-tract-are-under-recognized-a-low-threshold-for-alk-immunohistochemistry-is-required
#4
Justine L Pickett, Angela Chou, Juliana A Andrici, Adele Clarkson, Loretta Sioson, Amy Sheen, Jessica Reagh, Fedaa Najdawi, Yoomee Kim, Denise Riley, Jayne Maidens, David Nevell, Kirsten McIlroy, Susan Valmadre, Greg Gard, Russell Hogg, John Turchini, Gregory Robertson, Michael Friedlander, Anthony J Gill
Inflammatory myofibroblastic tumor (IMT) of the female genital tract is under-recognized. We investigated the prevalence of ALK-positive IMT in lesions previously diagnosed as gynecologic smooth muscle tumors. Immunohistochemistry (IHC) for ALK was performed on tissue microarrays of unselected tumors resected from 2009 to 2013. Three of 1176 (0.26%) "leiomyomas" and 1 of 44 (2.3%) "leiomyosarcomas" were ALK IHC positive, confirmed translocated by fluorescence in situ hybridization (FISH) and therefore more appropriately classified as IMT...
July 20, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28731845/rho-protein-roles-and-mechanisms
#5
Pallabi Mitra, Gairika Ghosh, Md Hafeezunnisa, Ranjan Sen
At the end of the multistep transcription process, the elongating RNA polymerase (RNAP) is dislodged from the DNA template either at specific DNA sequences, called the terminators, or by a nascent RNA-dependent helicase, Rho. In Escherichia coli, about half of the transcription events are terminated by the Rho protein. Rho utilizes its RNA-dependent ATPase activities to translocate along the mRNA and eventually dislodges the RNAP via an unknown mechanism. The transcription elongation factor NusG facilitates this termination process by directly interacting with Rho...
July 21, 2017: Annual Review of Microbiology
https://www.readbyqxmd.com/read/28731783/identification-of-sppl2a-inhibitors-by-multiparametric-analysis-of-a-high-content-ultra-high-throughput-screen
#6
Xian Zhang, Marjo Götte, Yvonne Ibig-Rehm, Ansgar Schuffenhauer, Marion Kamke, Dan Beisner, Danilo Guerini, Daniela Siebert, Ghislain M C Bonamy, Daniela Gabriel, Ursula Bodendorf
The intramembrane protease signal peptide peptidase-like 2a (SPPL2a) is a potential drug target for the treatment of autoimmune diseases due to an essential role in B cells and dendritic cells. To screen a library of 1.4 million compounds for inhibitors of SPPL2a, we developed an imaging assay detecting nuclear translocation of the proteolytically released cytosolic substrate fragment. The state-of-the-art hit calling approach based on nuclear translocation resulted in numerous false-positive hits, mainly interrupting intracellular protein trafficking...
July 1, 2017: SLAS Discovery
https://www.readbyqxmd.com/read/28731781/lncrna-pvt1-facilitates-invasion-through-upregulation-of-mmp9-in-nonsmall-cell-lung-cancer-cell
#7
Wei Chen, Huayun Zhu, Li Yin, Tingting Wang, Jianfeng Wu, Jianhua Xu, Hua Tao, Juying Liu, Xia He
Lung cancer is the most common solid tumor around the world. It has been reported that upregulation of long noncoding RNA (lncRNA) plasmacytoma variant translocation 1 (lncRNA-PVT1) is closely associated with tumor metastasis. However, the function and underlying molecular mechanism of lncRNA-PVT1 in nonsmall cell lung cancer (NSCLC) invasion remain unknown. In this study, we found that overexpression of lncRNA-PVT1 promoted the invasive ability of NSCLC cells, whereas silence of lncRNA-PVT1 suppressed cell invasion...
July 21, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28731456/upregulation-of-tet-activity-with-ascorbic-acid-induces-epigenetic-modulation-of-lymphoma-cells
#8
N Shenoy, T Bhagat, E Nieves, M Stenson, J Lawson, G S Choudhary, T Habermann, G Nowakowski, R Singh, X Wu, A Verma, T E Witzig
The Ten Eleven Translocation (TET) enzymes have been found to be mutated in both diffuse large B-cell (DLBCL) and peripheral T-cell (PTCL) lymphomas resulting in DNA hypermethylation. Recent studies in embryonal stem cells showed that ascorbic acid (AA) is a cofactor for TET with a binding site at the catalytic domain, and enhances TET activity. We hypothesized that AA could potentially enhance TET activity in lymphoma cells to cause DNA demethylation, reactivate expression of tumor suppressor genes and enhance chemosensitivity...
July 21, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28731223/neferine-modulates-igf-1r-nrf2-signaling-in-doxorubicin-treated-h9c2-cardiomyoblasts
#9
Lohanathan Bharathi Priya, Rathinasamy Baskaran, Chih-Yang Huang, Viswanadha Vijaya Padma
Doxorubicin (DOX) induced cardiotoxicity is a major problem during chemotherapy of cancers. DOX-mediated suppression of type 1 IGF receptor (IGF-1R) signaling leads to cardiac dysfunction. Neferine, a bisbezylisoquinoline alkaloid from the seed embryos of Nelumbo nucifera Gaertn possesses a distinct range of pharmacological properties. Herewith, the present study attempts to elucidate the protective role of neferine against DOX induced toxicity in H9c2 rat cardiomyoblast cell line model. DOX-treated H9c2 cells significantly increased mitochondrial superoxide generation, depleted cellular antioxidant status, suppressed the activation of IGF-1R signaling via PI3K/Akt/mTOR and induced autophagy by the activation of ULK1, Beclin1, Atg7 and LC3B...
July 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28731175/heat-shock-induced-hikeshi-protects-cell-viability-via-nuclear-translocation-of-heat-shock-protein-70
#10
Toru Yanoma, Kyoichi Ogata, Takehiko Yokobori, Munenori Ide, Erito Mochiki, Yoshitaka Toyomasu, Mitsuhiro Yanai, Norimichi Kogure, Akiharu Kimura, Masaki Suzuki, Nobuhiro Nakazawa, Tuya Bai, Tetsunari Oyama, Takayuki Asao, Ken Shirabe, Hiroyuki Kuwano
Heat shock proteins (HSPs), particularly HSP70, help restore normal cellular function following damage caused by stressors. HSP expression in tumor tissues indicates cancer progression, and while the development of HSP inhibitors is progressing, these substances are not widely used to treat cancer. HIKESHI (C11orf73) does not control the intracellular movement of HSP70 at normal temperatures; however, it does regulate the function and movements of HSP70 during heat shock. In this study, we examined the intracellular movement of HSP70 during heat shock to investigate the significance of HIKESHI expression in gastric cancer (GC) and determine if HIKESHI inhibition has cytotoxic effects...
July 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28731140/integrated-analysis-of-genome%C3%A2-wide-gene-expression-and-dna-methylation-microarray-of-diffuse-large-b%C3%A2-cell-lymphoma-with-tet-mutations
#11
Pengfei Liu, Wenhua Jiang, Jinkun Zhao, Huilai Zhang
Diffuse large B-cell lymphoma (DLBCL), the most frequently occurring type of lymphoid malignancy, has been demonstrated to be associated with mutations of Ten‑Eleven Translocation (TET). In order to explore the association between DLBCL and TET mutations, the present study analyzed the gene expression and methylation profiles in human DLBCL biopsy tissues with wildtype and mutated TET2. The microarray dataset GSE37365, containing two subseries: the genome‑wide gene expression dataset GSE37362 and the DNA methylation microarray dataset GSE37363, was downloaded from the Gene Expression Omnibus database...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28731097/dba-induced-caspase-3-dependent-apoptosis-occurs-through-mitochondrial-translocation-of-cyt-c-in-the-rat-hippocampus
#12
Wenbo Jiang, Yingying Chen, Bai Li, Shuying Gao
Dibromoacetic acid (DBA), a by-product of disinfection, develops in drinking water during chlorination or ozonation processes. Water intake is the main source of DBA exposure in humans, which is potentially neurotoxic. The present study investigated the neurotoxic effects of DBA by assessing the behavioral and biochemical characteristics of Sprague Dawley rats intragastrically treated with DBA at concentrations of 20, 50 and 125 mg kg(-1) body weight for 28 consecutive days. The results indicated that animal weight gain and food consumption were not significantly affected by DBA...
July 21, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28731053/oct-angiography-documented-reperfusion-of-translocated-autologous-full-thickness-rpe-choroid-graft-for-complicated-neovascular-age-related-macular-degeneration
#13
M Veckeneer, C Augustinus, E Feron, P-P Schauwvlieghe, J Ruys, I Cosemans, J Van Meurs
PurposeThe purpose of this study is to investigate the reperfusion of translocated retinal pigment epithelium (RPE)-choroid graft in the treatment of patients with neovascular age-related macular degeneration (nAMD), using OCT angiography (OCTA), a novel non-invasive, high-resolution imaging modality.Patients and methodsEighteen eyes of 18 consecutive patients suffering from complicated nAMD underwent RPE-choroid patch graft translocation surgery using a peripheral retinotomy and flap-over technique. We analyzed functional and anatomical outcome using visual acuity, Spectral Domain OCT and OCTA...
July 21, 2017: Eye
https://www.readbyqxmd.com/read/28731045/renal-cell-tumors-with-clear-cell-histology-and-intact-vhl-and-chromosome-3p-a-histological-review-of-tumors-from-the-cancer-genome-atlas-database
#14
Laura Favazza, Dhananjay A Chitale, Ravi Barod, Craig G Rogers, Shanker Kalyana-Sundaram, Nallasivam Palanisamy, Nilesh S Gupta, Sean R Williamson
Clear cell renal cell carcinoma is by far the most common form of kidney cancer; however, a number of histologically similar tumors are now recognized and considered distinct entities. The Cancer Genome Atlas published data set was queried (http://cbioportal.org) for clear cell renal cell carcinoma tumors lacking VHL gene mutation and chromosome 3p loss, for which whole-slide images were reviewed. Of the 418 tumors in the published Cancer Genome Atlas clear cell renal cell carcinoma database, 387 had VHL mutation, copy number loss for chromosome 3p, or both (93%)...
July 21, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28730642/myc-expression-and-translocation-analyses-in-low-grade-and-transformed-follicular-lymphoma
#15
S M Aukema, R van Pel, I Nagel, S Bens, R Siebert, S Rosati, E van den Berg, A G Bosga-Bouwer, R E Kibbelaar, M Hoogendoorn, G W van Imhoff, J C Kluin-Nelemans, P M Kluin, M Nijland
Low grade follicular lymphoma (FL1/2) has an annual risk of transformation of approximately 3% which is associated with aberrations in CDKN2A/B, TP53 and MYC. Like in DLBCL high MYC expression in transformed FL (tFL) might predict a MYC breakpoint. We quantified MYC expression by immunohistochemistry and digital analysis in 41 paired biopsies from 20 patients with FL1/2 with subsequent transformation and in 4 isolated biopsies of tFL. As controls 28 biopsies of FL1/2 without transformation (median follow up 105 months) and 9 FL3A/B were analyzed...
July 21, 2017: Histopathology
https://www.readbyqxmd.com/read/28730370/the-n-terminal-and-central-domain-of-colicin-a-enables-phage-lysin-to-lyse-escherichia-coli-extracellularly
#16
Guangmou Yan, Jianfang Liu, Qiang Ma, Rining Zhu, Zhimin Guo, Chencheng Gao, Shuang Wang, Ling Yu, Jingmin Gu, Dongliang Hu, Wenyu Han, Rui Du, Junling Yang, Liancheng Lei
Multidrug-resistant Escherichia coli has seriously threatened antibiotic resources and international public health. Bacteriophage lysin preparations have been widely considered as valid agents for solving multidrug resistances. Many lysins have been derived to treat diseases caused by Gram-positive bacteria, but only a few lysin preparations have been found that successively treat diseases caused by Gram-negative bacteria. The outer membrane of Gram-negative bacteria effectively blocks the interactions between peptidoglycan in the periplasmic space and bacteriophage lysins, which therefore hampers the antimicrobial effects of bacteriophage lysins...
July 20, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28730166/impact-of-chromosomal-rearrangement-upon-dna-methylation-patterns-in-leukemia
#17
Hyang-Min Byun, Shahrooz Eshaghian, Dan Douer, Jonathen Trent, Guillermo Garcia-Manero, Ravi Bhatia, Kim Siegmund, Allen S Yang
Genomic instability, including genetic mutations and chromosomal rearrangements, can lead to cancer development. Aberrant DNA methylation occurs commonly in cancer cells. The aim of this study is to determine the effects of a specific chromosomal lesion the BCR-ABL translocation t(9:22), in establishing DNA methylation profiles in cancer. Materials and methods We compared DNA methylation of 1,505 selected promoter CpGs in chronic myelogenous leukemia (CML), acute lymphoblastic leukemia (ALL) with and without the Philadelphia chromosome t(9:22), CD34+ hematopoietic stem cells transfected with BCR-ABL, and other tumors without BCR-ABL (acute promyelocytic leukemia (APL) and gastrointestinal stromal tumors (GIST)...
2017: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/28730076/scutellaria-barbata-attenuates-diabetic-retinopathy-by-preventing-retinal-inflammation-and-the-decreased-expression-of-tight-junction-protein
#18
Xi-Yu Mei, Ling-Yu Zhou, Tian-Yu Zhang, Bin Lu, Li-Li Ji
AIM: To observe the attenuation of ethanol extract of Herba Scutellaria barbata (SE) against diabetic retinopathy (DR) and its engaged mechanism. METHODS: C57BL/6J mice were intraperitoneally injected with streptozotocin (STZ, 55 mg/kg) for 5 consecutive days to induce diabetes. The diabetic mice were orally given with SE (100, 200 mg/kg) for 1mo at 1mo after STZ injection. Blood-retinal barrier (BRB) breakdown was detected by using Evans blue permeation assay. Real-time polymerase chain reaction (RT-PCR), Western blot and immunofluorescence staining were used to detect mRNA and protein expression...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28729940/propofol-induced-downregulation-of-nr2b-membrane-translocation-in-hippocampus-and-spatial-memory-deficits-of-neonatal-mice
#19
Yuzhu Wang, Song Han, Ruquan Han, Yue Su, Junfa Li
BACKGROUND: Thousands of infants and children are undergoing anesthesia around the world every day. But impacts of anesthetics on the developing neural system remain unclear yet. Previous evidence showed that anesthesia might affect the developing neural system. Thus, early-life anesthesia becomes a critical issue in clinical pediatric practice. Hence, propofol, a short-acting and widely applied intravenous anesthetic, has been gaining focus upon neonatal anesthesia. METHODS: Fifty-four male C57BL/6J mice were randomly divided into following three groups: group D6 intraperitoneally (i...
July 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28729836/an-overview-of-herbal-products-and-secondary-metabolites-used-for-management-of-type-two-diabetes
#20
REVIEW
Ajda Ota, Nataša P Ulrih
Diabetes mellitus is a common effect of uncontrolled high blood sugar and it is associated with long-term damage, dysfunction, and failure of various organs. In the adult population, the global prevalence of diabetes has nearly doubled since 1980. Without effective prevention and management programs, the continuing significant rise in diabetes will have grave consequences on the health and lifespan of the world population, and also on the world economy. Supplements can be used to correct nutritional deficiencies or to maintain an adequate intake of certain nutrients...
2017: Frontiers in Pharmacology
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