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https://www.readbyqxmd.com/read/28440408/identification-of-potential-gene-targets-in-systemic-vasculitis-using-dna-microarray-analysis
#1
Yiwen Feng, Miao Zheng, Shujie Gan, Lei Zhang, Zhong Wan, Yanping Zhang, Qin Qian, Jingdong Tang
The present study aimed to identify the involvement of critical genes in systemic vasculitis, to gain an improved understanding of the molecular circuity and to investigate novel potential gene targets for systemic vasculitis treatment. The dual‑color cDNA microarray data of GSE16945, consisting of peripheral mononuclear blood cell specimens from 13 patients with systemic vasculitis and 16 healthy controls, was downloaded from the Gene Expression Omnibus database. Differentially expressed genes (DEGs) were screened in systemic vasculitis compared with controls using BRB ArrayTools, followed by the construction of a protein‑protein interaction (PPI) network using the clusterProfiler package, and significant functional interaction (FI) module selection...
April 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28433168/evaluation-of-the-physical-properties-and-conservation-of-the-antioxidants-content-employing-inulin-and-maltodextrin-in-the-spray-drying-of-blueberry-juice
#2
S B Araujo-Díaz, C Leyva-Porras, P Aguirre-Bañuelos, C Álvarez-Salas, Z Saavedra-Leos
In this work, two carbohydrate polymers, inulin (I) and maltodextrin (MX), were compared as carrying agents in the spray drying of blueberry juice (BJ). The physicochemical properties and the conservation of the antioxidants content were characterized. Both systems, showed non-agglomerated particles and light-purple color appearance. Powders were subjected to the adsorption of water, and the glass transition temperature (Tg) decreased with the water activity. The evolution of the microstructure in the MX-BJ remained unchanged, while the I-BJ presented an abrupt change from amorphous to crystalline...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28429560/is-there-a-role-for-newer-biomarkers-in-chronic-kidney-disease-mineral-and-bone-disorder-management
#3
Sven-Jean Tan, Michael Mx Cai
The current management of Chronic Kidney Disease-Mineral Bone Disorder (CKD-MBD) relies largely on clinical judgement and assessment of biochemical parameters including serum calcium, phosphate and intact parathyroid hormone concentrations. In the past two decades, there has been a leap in the understanding of the pathophysiology of CKD-MBD, leading to the discovery of novel biomarkers. The potential utility of these markers in this clinical setting is an area of intense investigation. In the absence of any guidelines aiding the clinician's understanding and application of these markers, we summarise the current available literature surrounding fibroblast growth factor-23, α-Klotho, sclerostin and serum calcification propensity testing and their respective assays in the context of CKD-MBD management...
March 2017: Nephrology
https://www.readbyqxmd.com/read/28415650/a-highly-conserved-redox-active-mx-2-cwx-6-r-motif-regulates-zap70-stability-and-activity
#4
Christoph Thurm, Mateusz P Poltorak, Elisa Reimer, Melanie M Brinkmann, Lars Leichert, Burkhart Schraven, Luca Simeoni
ζ-associated protein of 70 kDa (Zap70) is crucial for T-cell receptor (TCR) signaling. Loss of Zap70 in both humans and mice results in severe immunodeficiency. On the other hand, the expression of Zap70 in B-cell malignancies correlates with the severity of the disease. Because of its role in immune-related disorders, Zap70 has become a therapeutic target for the treatment of human diseases. It is well-established that the activity/expression of Zap70 is regulated by post-translational modifications of crucial amino acids including the phosphorylation of tyrosines and the ubiquitination of lysines...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28411965/dynamic-cerebral-autoregulation-assessment-using-extracranial-internal-carotid-artery-doppler-ultrasonography
#5
Nai-Fang Chi, Hsiao-Lun Ku, Chen-Yen Wang, Yanhui Liu, Lung Chan, Ying-Chin Lin, Chung-Kang Peng, Vera Novak, Han-Hwa Hu, Chaur-Jong Hu
Transcranial Doppler ultrasonography of the middle cerebral artery (MCA) is frequently used to assess dynamic cerebral autoregulation (dCA); however, this is difficult in patients with poor temporal bone windows. In the study described here, we investigated the agreement and sensitivity of dCA indices determined from the extracranial internal carotid artery (ICA) and those determined from the MCA. Measurements for 32 stroke patients and 59 controls were analyzed. Measurement of the mean flow correlation index (Mx) and transfer function analysis based on spontaneous blood pressure fluctuation were simultaneously performed for the extracranial ICA and MCA...
April 12, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28411603/determination-of-the-bond-dissociation-energies-of-fex-and-nix-x-c-s-se
#6
Daniel J Matthew, Erick Tieu, Michael D Morse
The bond dissociation energies of FeC, NiC, FeS, NiS, FeSe, and NiSe have been measured by the observation of a predissociation threshold in their resonant two-photon ionization spectra. Because the lowest separated atom limits generate a vast number of potential energy curves, it is thought that the molecules dissociate as soon as the ground separated atom limit is exceeded in energy. From the observed thresholds, dissociation energies have been measured as D0(FeC) = 3.961(19), D0(NiC) = 4.167(3), D0(FeS) = 3...
April 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28406927/application-of-a-household-based-molecular-xenomonitoring-strategy-to-evaluate-the-lymphatic-filariasis-elimination-program-in-tamil-nadu-india
#7
Swaminathan Subramanian, Purushothaman Jambulingam, Brian K Chu, Candasamy Sadanandane, Venkatesan Vasuki, Adinarayanan Srividya, Mohamed S Mohideen AbdulKader, Kaliannagounder Krishnamoorthy, Harikishan K Raju, Sandra J Laney, Steven A Williams, Ralph H Henderson
BACKGROUND: The monitoring and evaluation of lymphatic filariasis (LF) has largely relied on the detection of antigenemia and antibodies in human populations. Molecular xenomonitoring (MX), the detection of parasite DNA/RNA in mosquitoes, may be an effective complementary method, particularly for detecting signals in low-level prevalence areas where Culex is the primary mosquito vector. This paper investigated the application of a household-based sampling method for MX in Tamil Nadu, India...
April 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28396461/in-vivo-evasion-of-mxa-by-avian-influenza-viruses-requires-human-signature-in-the-viral-nucleoprotein
#8
Christoph M Deeg, Ebrahim Hassan, Pascal Mutz, Lara Rheinemann, Veronika Götz, Linda Magar, Mirjam Schilling, Carsten Kallfass, Cindy Nürnberger, Sébastien Soubies, Georg Kochs, Otto Haller, Martin Schwemmle, Peter Staeheli
Zoonotic transmission of influenza A viruses can give rise to devastating pandemics, but currently it is impossible to predict the pandemic potential of circulating avian influenza viruses. Here, we describe a new mouse model suitable for such risk assessment, based on the observation that the innate restriction factor MxA represents an effective species barrier that must be overcome by zoonotic viruses. Our mouse lacks functional endogenous Mx genes but instead carries the human MX1 locus as a transgene. Such transgenic mice were largely resistant to highly pathogenic avian H5 and H7 influenza A viruses, but were almost as susceptible to infection with influenza viruses of human origin as nontransgenic littermates...
April 10, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28382348/a-magnetisation-and-m%C3%A3-ssbauer-study-of-triazole-m1-x-2-mx-3-m-3-f5-htaz-1-x-taz-x-weberites-m-fe-co-mn-zn-ga-v
#9
M Albino, L Clark, J Lhoste, C Payen, J-M Grenèche, P Lightfoot, V Maisonneuve, M Leblanc
A series of triazole fluoride weberites (M1-x(2+)Mx(3+))M(3+)F5(Htaz)1-x(taz)x is obtained by hydrothermal synthesis. All phases are found to be isostructural to ZnAlF5(Htaz) by powder X-ray diffraction. Weberite structures are prone to induce the magnetic frustration of antiferromagnetic interactions originating from the cationic topology of HTB layers. The (nD) magnetic properties of (0D) Co-Ga, (1D) Zn-Fe, (3D) Fe-Ga, Mn-Fe, Co-Fe and Co-V couples are thus reported. Co(2+) or Fe(2+) magnetic anisotropy induces a negative magnetisation below TN and compensation temperatures for Mn-Fe and Co-Fe couples...
April 19, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28373515/mx-cassettes-for-knocking-out-genes-in-yeast
#10
John H McCusker
Precise modifications of the Saccharomyces cerevisiae genome use marker cassettes, most often in the form of "knockout" (KO) marker cassettes, to delete genes. Many different KO marker cassettes exist, some of which require strains with specific genotypes, such as auxotrophic mutations, and others that have no strain genotype requirements, such as selections for drug resistance and one of two selections for nitrogen source utilization. This introduction focuses on the most frequently used family of KO cassettes-the MX cassettes...
April 3, 2017: Cold Spring Harbor Protocols
https://www.readbyqxmd.com/read/28373488/popping-out-mx-cassettes-from-saccharomyces-cerevisiae
#11
John H McCusker
MX cassettes are frequently used to generate knockout (KO) mutations in Saccharomyces cerevisiae. The recycling or "popping out" of an MX cassette flanked by direct repeats allows the same cassette to be reused in a strain to generate additional KO mutations. Popping out MX cassettes also eliminates MX homology in a strain, which facilitates the subsequent generation of additional KO mutations with other MX cassettes. MX cassettes can be recycled or "popped out" of the genome by spontaneous recombination between large, cassette-borne MX3 or PR direct repeats and by Cre-mediated, site-specific recombination between small, cassette-borne loxP direct repeats...
April 3, 2017: Cold Spring Harbor Protocols
https://www.readbyqxmd.com/read/28373487/introducing-mx-cassettes-into-saccharomyces-cerevisiae
#12
John H McCusker
The Saccharomyces cerevisiae genome can be readily and precisely modified with the use of knock out (KO) marker cassettes to delete genes. The most frequently used family of KO cassettes is the MX cassettes. This protocol describes how to use the different types of MX cassettes by selecting for prototrophy, utilization of cytosine or acetamide as a sole nitrogen source, or resistance to one of six different drugs.
April 3, 2017: Cold Spring Harbor Protocols
https://www.readbyqxmd.com/read/28352647/single-step-marker-switching-in-schizosaccharomyces-pombe-using-a-lithium-acetate-transformation-protocol
#13
Simon D Brown, Alexander Lorenz
The ability to utilize different selectable markers for tagging or mutating multiple genes in Schizosaccharomyces pombe is hampered by the historical use of only two selectable markers, ura4(+) and kanMX6; the latter conferring resistance to the antibiotic G418 (geneticin). More markers have been described recently, but introducing these into yeast cells often requires strain construction from scratch. To overcome this problem we and other groups have created transformation cassettes with flanking homologies to ura4(+) and kanMX6 which enable an efficient and time-saving way to exchange markers in existing mutated or tagged fission yeast strains...
December 20, 2016: Bio-protocol
https://www.readbyqxmd.com/read/28351933/cytosolic-dna-sensor-initiated-innate-immune-responses-in-mouse-ovarian-granulosa-cells
#14
Keqin Yan, Dingqing Feng, Jing Liang, Qing Wang, Lin Deng, Xiao Zhang, Bin Ling, Daishu Han
Viral infections of the ovary may perturb ovarian functions. However, the mechanisms underlying innate immune responses in the ovary are poorly understood. The present study demonstrates that cytosolic viral DNA sensor signaling initiates the innate immune response in mouse ovarian granulosa cells and affects endocrine function. The cytosolic DNA sensors p204 and cGAS and their common signaling adaptor stimulator of interferon (IFN) genes (STING) were constitutively expressed in granulosa cells. Transfection with VACV70, a synthetic vaccinia virus (VACV) DNA analogue, induced the expression of type I interferons (IFNA/B) and major inflammatory cytokines (TNFA and IL6) through IRF3 and NF-κB activation, respectively...
March 28, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28343776/a-effective-dna-vaccine-against-diverse-genotype-j-infectious-hematopoietic-necrosis-virus-strains-prevalent-in-china
#15
Liming Xu, Jingzhuang Zhao, Miao Liu, Gael Kurath, Guangming Ren, Scott E Lapatra, Jiasheng Yin, Hongbai Liu, Jian Feng, Tongyan Lu
Infectious hematopoietic necrosis virus (IHNV) is the most important pathogen threatening the aquaculture of salmonid fish in China. In this study, a DNA vaccine, designated pIHNch-G, was constructed with the glycoprotein (G) gene of a Chinese IHNV isolate SD-12 (also called Sn1203) of genotype J. The minimal dose of vaccine required, the expression of the Mx-1 gene in the muscle (vaccine delivery site) and anterior kidney, and the titers of the neutralizing antibodies produced were used to evaluate the vaccine efficacy...
March 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28340412/discovery-of-2-substituted-1h-benzo-d-immidazole-4-carboxamide-derivatives-as-novel-poly-adp-ribose-polymerase-1-inhibitors-with-in%C3%A2-vivo-anti-tumor-activity
#16
Jie Zhou, Ming Ji, Zhixiang Zhu, Ran Cao, Xiaoguang Chen, Bailing Xu
Novel 1H-benzo[d]immidazole-4-carboxamide derivatives bearing five-membered or six-membered N-heterocyclic moieties at the 2-position were designed and synthesized as PARP-1 inhibitors. Structure-activity relationships were conducted and led to a number of potent PARP-1 inhibitors having IC50 values in the single or double digit nanomolar level. Some potent PARP-1 inhibitors also had similar inhibitory activities against PARP-2. Among all the synthesized compounds, compound 10a and 11e displayed strong potentiation effects on temozolomide (TMZ) in MX-1 cells (PF50 = 7...
March 18, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28338177/5-aminolevulinic-acid-photodynamic-therapy-stimulates-local-immunity-in-patients-with-condylomata-acuminata-via-activation-of-t-lymphocytes
#17
J Du, Q Cheng, Z Zhang, J-F Wu, F Li, S-Y Chen, Y-L Wang, X-N Lu, J-H Xu
OBJECTIVE: 5-Aminolevulinic acid photodynamic therapy (5-ALA-PDT) for condylomata acuminate (CA) is effective and safe, but how this treatment affects immune reaction is poorly understood. We aimed to explore the effects of PDT on local immunity in CA. PATIENTS AND METHODS: Immunohistochemical analysis before and after PDT was performed to analyze local changes in the distribution of T lymphocytes, CD123+ plasmacytoid dendritic cells (pDCs) and CD1a+ myeloid DCs...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28338131/structural-formation-and-charge-storage-mechanisms-for-intercalated-two-dimensional-carbides-mxenes
#18
Jing Wen, Xitian Zhang, Hong Gao
Although many studies have been focused on the characterization of MXenes, surface structures and formation mechanisms in terms of their experimental processes still remain controversial. Herein, we systematically investigated the structures formed from MX intercalated with different atoms from group IA to VIIA (A = H, Li, Na, K, Mg, Al, Si, P, O, S, F, and Cl) at different sites. An effective procedure based on first-principles calculations was developed to reveal the formation mechanisms of MAX, MXA2, MXTx, and MXTxAx' structures...
March 24, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28334060/bone-repair-process-in-defects-of-diabetic-rats-filled-with-autogenous-bone-graft-and-covered-with-homogenous-bone-matrix-membrane-or-polytetrafluoroethylene-membrane
#19
Carlos Alberto Timóteo, Alessandra Marcondes Aranega, Elio Hitoshi Shinohara, Juliana Zorzi Coléte
PURPOSE: To analyze the process of repair of bone defects in diabetic rats filled with autogenous bone and covered with membranes of homogenous bone matrix or expanded polytetrafluoroethylene (ePTFE). MATERIALS AND METHODS: One hundred twenty male rats were divided into two groups: group 1 (IC), without systemic alterations (control), received an intravenous injection of citrate buffer at 0.01 M, pH 4.5; group 2 (IID) (diabetic) received an intravenous injection of streptozotocin (Sigma-Aldrich) dissolved in 0...
March 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28318479/core-shell-structure-of-intermediate-precipitates-in-a-nb-based-z-phase-strengthened-12-cr-steel
#20
Masoud Rashidi, Hans-Olof Andrén, Fang Liu
In creep resistant Z-phase strengthened 12% Cr steels, MX (M=Nb, Ta, or V, and X=C and/or N) to Z-phase (CrMN, M=Ta, Nb, or V) transformation plays an important role in achieving a fine distribution of Z-phase precipitates for creep strengthening. Atom probe tomography was employed to investigate the phase transformation in a Nb-based Z-phase strengthened trial steel. Using iso-concentration surfaces with different concentration values, and subtracting the matrix contribution enabled us to reveal the core-shell structure of the transient precipitates between MX and Z-phase...
March 20, 2017: Microscopy and Microanalysis
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