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https://www.readbyqxmd.com/read/28315976/tfoi-produced-by-tepidimonas-fonticaldi-pl17-a-moderate-thermophilic-bacterium-is-an-isoschizomer-of-msei
#1
Ravinder Kumar, Anil Kumar Pinnaka, Beena Krishnan
A moderately thermophilic Gram-negative bacterium isolated from the Polok hot spring, Sikkim, India, was identified as a strain (PL17) of Tepidimonas fonticaldi by 16S rDNA sequencing. T. fonticaldi PL17 produces a Type IIP restriction endonuclease; named TfoI. Restriction mapping, run-off sequencing of TfoI-digests of dsDNA fragments, and end compatibility of TfoI with NdeI confirmed that the enzyme recognizes and cleaves the sequence 5'-T^TAA-3', and is thus an isoschizomer of MseI. The TfoI restriction-modification genes in the T...
March 18, 2017: Extremophiles: Life Under Extreme Conditions
https://www.readbyqxmd.com/read/28303043/ultrasound-assisted-extraction-of-polyphenols-and-their-distribution-in-whole-mung-bean-hull-and-cotyledon
#2
Barinderjit Singh, Narpinder Singh, Sheetal Thakur, Amritpal Kaur
In this study, extraction of polyphenols using different solvents (acetone, ethanol, methanol and water) with ultrasound and conventional method from whole mung bean (WMB), hull and cotyledon was conducted. Total phenolic content (TPC), total flavonoids content (TFC), total antioxidant activities (TAA), ferric reducing power (FRP) and DPPH radical scavenging activity were determined. Ultrasound treated extracts exhibited higher TPC, TFC, TAA, FRP and DPPH in different mung bean fractions than CSE. Among the solvents, acetone showed better TPC, TFC, TAA, FRP and DPPH...
March 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28299466/development-of-oral-cancer-vaccine-using-recombinant-bifidobacterium-displaying-wilms-tumor-1-protein
#3
Koichi Kitagawa, Tsugumi Oda, Hiroki Saito, Ayame Araki, Reina Gonoi, Katsumi Shigemura, Yoshiko Hashii, Takane Katayama, Masato Fujisawa, Toshiro Shirakawa
Several types of vaccine-delivering tumor-associated antigens (TAAs) have been developed in basic and clinical research. Wilms' tumor 1 (WT1), identified as a gene responsible for pediatric renal neoplasm, is one of the most promising TAA for cancer immunotherapy. Peptide and dendritic cell-based WT1 cancer vaccines showed some therapeutic efficacy in clinical and pre-clinical studies but as yet no oral WT1 vaccine can be administrated in a simple and easy way. In the present study, we constructed a novel oral cancer vaccine using a recombinant Bifidobacterium longum displaying WT1 protein...
March 15, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28295640/weyl-semimetals-as-hydrogen-evolution-catalysts
#4
Catherine R Rajamathi, Uttam Gupta, Nitesh Kumar, Hao Yang, Yan Sun, Vicky Süß, Chandra Shekhar, Marcus Schmidt, Horst Blumtritt, Peter Werner, Binghai Yan, Stuart Parkin, Claudia Felser, C N R Rao
The search for highly efficient and low-cost catalysts is one of the main driving forces in catalytic chemistry. Current strategies for the catalyst design focus on increasing the number and activity of local catalytic sites, such as the edge sites of molybdenum disulfides in the hydrogen evolution reaction (HER). Here, the study proposes and demonstrates a different principle that goes beyond local site optimization by utilizing topological electronic states to spur catalytic activity. For HER, excellent catalysts have been found among the transition-metal monopnictides-NbP, TaP, NbAs, and TaAs-which are recently discovered to be topological Weyl semimetals...
March 15, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28290181/acute-type-a-aortic-dissection-beyond-the-diameter
#5
Calogera Pisano, Carmela Rita Balistreri, Oreste Fabio Triolo, Vincenzo Argano, Giovanni Ruvolo
Aortic dissection is a life-threatening condition in which early diagnosis, treatment and close follow up are critical for survival. Between 60% and 70% of patients with acute aortic dissection are affected at the ascending aorta, classified as Stanford type A (TAD). Preventive surgery of the aorta in asymptomatic patients on the basis of aortic size alone remains controversial among patient populations without known risk factors for aortic dissection. In fact, many dissection patients do not appear to have markedly dilated aortas at the time of presentation...
November 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28285641/effectiveness-of-essential-amino-acid-supplementation-in-stimulating-whole-body-net-protein-anabolism-is-comparable-between-copd-patients-and-healthy-older-adults
#6
Renate Jonker, Nicolaas Ep Deutz, Marcia L Erbland, Paula J Anderson, Mariëlle Pkj Engelen
BACKGROUND: The development of effective nutritional strategies in support of muscle growth for patients with chronic obstructive pulmonary disease (COPD) remains challenging. Dietary essential amino acids (EAAs) are the main driver of postprandial net protein anabolism. In agreement, EAA supplements in healthy older adults are more effective than supplements with the composition of complete proteins. In patients with COPD it is still unknown whether complete protein supplements can be substituted with only EAAs, and whether they are as effective as in healthy older adults...
April 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28284832/prolonged-inhibition-of-inflammation-in-osteoarthritis-by-triamcinolone-acetonide-released-from-a-polyester-amide-microsphere-platform
#7
Imke Rudnik-Jansen, Sascha Colen, Julien Berard, Saskia Plomp, Ivo Que, Mattie van Rijen, Nina Woike, Annelies Egas, Gerjo van Osch, Erik van Maarseveen, Ken Messier, Alan Chan, Jens Thies, Laura Creemers
Controlled biomaterial-based corticosteroid release might circumvent multiple injections and the accompanying risks, such as hormone imbalance and muscle weakness, in osteoarthritic (OA) patients. For this purpose, microspheres were prepared from an amino acid-based polyester amide (PEA) platform and loaded with triamcinolone acetonide (TAA). TAA loaded microspheres were shown to release TAA for over 60days in PBS. Furthermore, the bioactivity lasted at least 28days, demonstrated by a 80-95% inhibition of PGE2 production using TNFα-stimulated chondrocyte culture, indicating inhibition of inflammation...
March 8, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28281876/caffeine-intake-decreases-oxidative-stress-and-inflammatory-biomarkers-in-experimental-liver-diseases-induced-by-thioacetamide-biochemical-and-histological-study
#8
Mona G Amer, Nehad F Mazen, Ahmed M Mohamed
Liver disease remains a significant global health problem. Increased caffeine consumption has been associated with a lower prevalence of chronic liver disease. This study aimed to investigate the modifying effects of caffeine on liver injury induced by thioacetamide (TAA) administration in male rats and the possible underlying mechanisms. Forty adult male rats were equally classified into four groups: control group, received only tap water; caffeine-treated group, received caffeine (37.5 mg/kg per day); TAA-treated group, received intraperitoneal (i...
March 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28280515/hepatoprotective-effects-of-chinese-medicine-herbs-decoction-on-liver-cirrhosis-in-rats
#9
Nor Aziyah Mat-Rahim, Tong-Hye Lim, Nur-Asyura Nor-Amdan, Sazaly AbuBakar
Hepatoprotective and curative activities of aqueous extract of decoction containing 10 Chinese medicinal herbs (HPE-XA-08) were evaluated in Sprague-Dawley albino rats with liver damage induced by thioacetamide (TAA). These activities were assessed by investigating the liver enzymes level and also histopathology investigation. Increases in alkaline phosphatase (ALP) and gamma-glutamyl transferase (GGT) levels were observed in rats with cirrhotic liver. No significant alterations of the liver enzymes were observed following treatment with HPE-XA-08...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28274891/roles-of-cancer-testis-antigens-ctas-in-breast-cancer
#10
Yongfei Li, Jun Li, Yanhong Zhang, Yifan Wang, Jiahui Chu, Chunxiao Sun, Ziyi Fu, Yi Huang, Yongmei Yin
Breast cancer is the most common cancer diagnosed and is the second leading cause of cancer death among women in the US. For breast cancer, early diagnosis and efficient therapy remains a significant clinical challenge. Therefore, it is necessary to identify novel tumor associated molecules to target for biomarker development and immunotherapy. In this regard, cancer testis antigens (CTAs) have emerged as a potential clinical biomarker targeting immunotherapy for various malignancies due to the nature of its characteristics...
March 5, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28268174/hepatoprotective-effects-of-naturally-fermented-noni-juice-against-thioacetamide-induced-liver-fibrosis-in-rats
#11
Yi-Ling Lin, Hui-Wen Lin, Yi-Chen Chen, Deng-Jye Yang, Chien-Chun Li, Yuan-Yen Chang
BACKGROUND: Excessive reactive oxygen species (ROS) can result in inflammation and cytokine secretion in the liver, and then activate hepatic stellate cells that cause the accumulation of extracellular matrix proteins, especially collagen, in liver tissue. Naturally fermented noni juice (NJ; Morinda citrifolia) has been used for decades as a nutraceutical in humans. In this study, we intended to examine if NJ can ameliorate ROS-induced liver fibrosis via a thioacetamide (TAA)-induced rat model...
March 3, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28267627/stop-codon-mutagenesis-for-homogenous-expression-of-human-papillomavirus-l1-protein-in-escherichia-coli
#12
Daning Wang, Fei Fan, Zhihai Li, Xinlin Liu, Shuo Song, Shuangping Wei, Maozhou He, Yahua Lin, Zhongyi Li, Minxi Wei, Hai Yu, Ying Gu, Shaowei Li, Ningshao Xia
Human papillomavirus (HPV) is widely accepted to be the major causative pathogen of cervical cancer, warts, and other epithelial tumors. Virus infection and subsequent disease development can be prevented by vaccination with HPV vaccines derived from eukaryotic expression systems. Here, we report the soluble expression of the major capsid protein L1 of HPV31, a dominant carcinogenic HPV genotype, in Escherichia coli. HPV31 L1 protein and its elongated form (L1+) were observed in SDS-PAGE and CE-SDS analysis, generated by the native HPV31 L1 gene with a TAA stop codon...
March 3, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28245875/severe-nivolumab-induced-pneumonitis-preceding-durable-clinical-remission-in-a-patient-with-refractory-metastatic-lung-squamous-cell-cancer-a-case-report
#13
Hong Li, Weijie Ma, Ken Y Yoneda, Elizabeth H Moore, Yanhong Zhang, Lee L Q Pu, Garrett M Frampton, Michael Molmen, Philip J Stephens, Tianhong Li
BACKGROUND: Programmed cell death 1 (PD-1) and its ligand 1 (PD-L1) inhibitors have quickly become standard of care for patients with advanced non-small cell lung cancer and increasing numbers of other cancer types. In this report, we discuss the clinical history, pathological evaluation, and genomic findings in a patient with metastatic lung squamous cell cancer (SCC) who developed severe nivolumab-induced pneumonitis preceding durable clinical remission after three doses of nivolumab...
February 28, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28245582/comparison-of-free-total-amino-acid-compositions-and-their-functional-classifications-in-13-wild-edible-mushrooms
#14
Liping Sun, Qiuming Liu, Changjun Bao, Jian Fan
Thirteen popular wild edible mushroom species in Yunnan Province, Boletus bicolor, Boletus speciosus, Boletus sinicus, Boletus craspedius, Boletus griseus, Boletus ornatipes, Xerocomus, Suillus placidus, Boletinus pinetorus, Tricholoma terreum, Tricholomopsis lividipileata, Termitomyces microcarpus, and Amanita hemibapha, were analyzed for their free amino acid compositions by online pre-column derivazation reversed phase high-performance liquid chromatography (RP-HPLC) analysis. Twenty free amino acids, aspartic acid, glutamic acid, serine, glycine, alanine, praline, cysteine, valine, methionine, phenylalanine, isoleucine, leucine, lysine, histidine, threonine, asparagines, glutamine, arginine, tyrosine, and tryptophan, were determined...
February 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28241818/the-antibacterial-activity-of-extracts-of-nine-plant-species-with-good-activity-against-escherichia-coli-against-five-other-bacteria-and-cytotoxicity-of-extracts
#15
Ishaku Leo Elisha, Francien S Botha, Lyndy Joy McGaw, Jacobus Nicolaas Eloff
BACKGROUND: The development of antibiotic resistant bacteria stems from a number of factors, including inappropriate use of antibiotics in human and animal health and their prolonged use as growth promoters at sub-clinical doses in poultry and livestock production. We were interested in investigating plants that could be useful in protecting humans or animals against diarrhoea. We decided to work on extracts of nine plant species with good activity against Escherichia coli based on earlier work in the Phytomedicine Programme...
February 28, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28240794/phase-contrast-mr-flow-imaging-a-tool-to-determine-hepatic-hemodynamics-in-rats-with-a-healthy-fibrotic-or-cirrhotic-liver
#16
Denise Schaffner, Dominik von Elverfeldt, Peter Deibert, Adhara Lazaro, Irmgard Merfort, Lisa Lutz, Jakob Neubauer, Manfred W Baumstark, Wolfgang Kreisel, Wilfried Reichardt
PURPOSE: To test a magnetic resonance (MR) scanning protocol as a noninvasive tool to determine hepatic hemodynamics and to assess the degree of liver fibrosis in an animal model of liver fibrosis and cirrhosis. MATERIALS AND METHODS: Fifty-four male Wistar rats were studied. Thirty-nine received thioacetamide (TAA) in their drinking water for either 12 or 16 weeks. MR measurements were performed using flow-sensitive 2D phase-contrast MRI and a 9.4T preclinical scanner...
February 27, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28230991/electron-accumulation-on-naphthalene-diimide-photosensitized-by-ru-2-2-bipyridine-3-2
#17
Michael Skaisgirski, Xingwei Guo, Oliver S Wenger
In a molecular triad comprised of a central naphthalene diimide (NDI) unit flanked by two [Ru(bpy)3](2+) (bpy = 2,2'-bipyridine) sensitizers, NDI(2-) is formed after irradiation with visible light in deaerated CH3CN in the presence of excess triethylamine. The mechanism for this electron accumulation involves a combination of photoinduced and thermal elementary steps. In a structurally related molecular pentad with two peripheral triarylamine (TAA) electron donors attached covalently to a central [Ru(bpy)3](2+)-NDI-[Ru(bpy)3](2+) core but no sacrificial reagents present, photoexcitation only leads to NDI(-) (and TAA(+)), whereas NDI(2-) is unattainable due to rapid electron transfer events counteracting charge accumulation...
February 23, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28216352/outcome-of-endovascular-repair-for-intact-and-ruptured-thoracic-aortic-aneurysms
#18
Tina Hellgren, Anders Wanhainen, Johnny Steuer, Kevin Mani
OBJECTIVE: The objective of this study was to assess long-term outcome after thoracic endovascular aortic repair (TEVAR) for thoracic aortic aneurysm (TAA). METHODS: All patients who underwent TEVAR for TAA at Uppsala University Hospital from December 1999 to December 2014 were included. Characteristics of the patients and outcome data were collected from medical records, national population registry, and cause of death registry. Perioperative survival was analyzed with the χ(2) test, and 5-year survival was estimated with Kaplan-Meier analysis...
February 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28215654/dendritic-cell-vaccination-in-combination-with-docetaxel-for-patients-with-metastatic-castration-resistant-prostate-cancer-a-randomized-phase-ii-study
#19
Per Kongsted, Troels Holz Borch, Eva Ellebaek, Trine Zeeberg Iversen, Rikke Andersen, Özcan Met, Morten Hansen, Henriette Lindberg, Lisa Sengeløv, Inge Marie Svane
BACKGROUND AIMS: We investigated whether the addition of an autologous dendritic cell-based cancer vaccine (DCvac) induces an immune response in patients with metastatic castration-resistant prostate cancer treated with docetaxel. METHODS: Forty-three patients were randomized 1:1 to receive up to 10 cycles of docetaxel alone, 75 mg/m(2) every 3 weeks or in combination with DCvac. Monocytes were harvested following a leukapheresis procedure, matured ex vivo and subsequently transfected with messenger RNA encoding multiple tumor-associated antigens (TAAs)...
February 15, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28215215/the-mitochondrial-genome-of-ancylostoma-tubaeforme-from-cats-in-china
#20
X L Shi, Y Q Fu, A Y Abdullahi, M W Wang, F Yang, X G Yu, W D Pan, X X Yan, J X Hang, P Zhang, G Q Li
Ancylostoma tubaeforme may infect canids, felids and humans, and pose a potential risk to public health. Polymerase chain reaction (PCR) techniques were used to amplify the complete mitochondrial (mt) genome sequence of A. tubaeforme from cats and to analyse its sequence characteristics after molecular identification based on the internal transcribed spacer ITS1+ sequence. The results show that the complete mt genome sequence (GenBank accession number KY070315) of A. tubaeforme from cats was 13,730 bp in length, including 12 protein-coding genes, 22 transfer RNA (tRNA) genes, two ribosomal RNA (rRNA) genes, two non-coding regions and an AT-rich region...
February 20, 2017: Journal of Helminthology
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