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https://www.readbyqxmd.com/read/29452988/expert-consensus-recommendations-on-the-cardiogenetic-care-for-patients-with-thoracic-aortic-disease-and-their-first-degree-relatives
#1
Judith M A Verhagen, Marlies Kempers, Luc Cozijnsen, Berto J Bouma, Anthonie L Duijnhouwer, Jan G Post, Yvonne Hilhorst-Hofstee, Sebastiaan C A M Bekkers, Wilhelmina S Kerstjens-Frederikse, Thomas J van Brakel, Eric Lambermon, Marja W Wessels, Bart L Loeys, Jolien W Roos-Hesselink, Ingrid M B H van de Laar
BACKGROUND: Thoracic aortic aneurysm (TAA) is a potentially life-threatening disorder with a strong genetic component. The number of genes implicated in TAA has increased exponentially over the last decade. Approximately 20% of patients with TAA have a positive family history. As most TAA remain asymptomatic for a long time, screening of at risk relatives is warranted to prevent complications. Existing international guidelines lack detailed instructions regarding genetic evaluation and family screening of TAA patients...
February 7, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29449343/extrahepatic-angiogenesis-hinders-recovery-of-portal-hypertension-and-collaterals-in-rats-with-cirrhosis-resolution
#2
Shao-Jung Hsu, Ming-Hung Tsai, Ching-Chih Chang, Yu-Hsin Hsieh, Hui-Chun Huang, Fa-Yauh Lee, Chiao-Lin Chuang, Ming-Chih Hou, Shou-Dong Lee
Liver cirrhosis is characterized by portal hypertension. However, the alteration of portal hypertension-related derangements during cirrhosis resolution is not well known. This study aimed to establish animal models with cirrhosis resolution and to investigate the relevant changes during this process.Male Spraque-Dawley rats were applied. In reverse thioacetamide (rTAA) model, rats were randomly allocated into four groups with control, TAA cirrhosis and rTAA groups that discontinued TAA for 4 or 8 weeks after cirrhosis induction...
February 15, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29444683/potential-effects-of-the-combination-of-nicotinamide-vitamin-b2-and-vitamin-c-on-oxidative-mediated-hepatotoxicity-induced-by-thioacetamide
#3
Samir A E Bashandy, Hossam Ebaid, Sherif A Abdelmottaleb Moussa, Ibrahim M Alhazza, Iftekhar Hassan, Abdulaziz Alaamer, Jameel Al Tamimi
BACKGROUND: The liver disease is one of the most important traditional public health problems in Egypt. Oxidative stress is attributed to such pathological condition that further contributes to the initiation and progression of liver injury. In the present study, we have investigated if the strong antioxidant power of Nicotinamide (NA), Vitamin B2 (VB2), and Vitamin C (VC) can ameliorate TAA-induced oxidative stress-mediated liver injury in the rats. METHODS: Thirty-six albino rats were divided into six groups: Control group; TAA group (IP injection with TAA at a dosage of 200 mg/Kg three times a week for two months); TAA + NA group (rats administered with NA at a dosage of 200 mg/kg daily besides TAA as in the control); TAA + VB2 group (rats administered with vitamin B2 at a dosage of 30 mg/kg daily besides injection with TAA); TAA + VC group (rats administered with vitamin C at a dosage of 200 mg/kg daily along with injection of TAA)...
February 14, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29444417/a-study-on-the-regenerative-effect-of-platelets-rich-plasma-on-experimentally-induced-hepatic-damage-in-albino-rats
#4
Heba Mamdoh Shoeib, Walaa Arafa Keshk, Abdallah Mahmoud Foda, Saad El-Deen Abd Elfatah Abo El Noeman
Hepatic fibrosis is a worldwide health problem with significant morbidity and mortality. Currently, there is no effective therapy for hepatic fibrosis. So that the present study was aimed to evaluate the possible regenerative effect of Platelet-rich plasma (PRP) against thioacetamide (TAA) induced hepatic damage. Eighty albino rats were included; 40 were used for PRP preparation and 40 were randomly divided into four groups. Group I (control group); group II (PRP control); group III (TAA- intoxicated in a dose of 200 mg ∕ kg body weight/twice weekly for 7 weeks, intra-peritoneal and group IV (TAA-intoxicated+ PRP treated)...
February 14, 2018: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29442739/one-pot-strategy-to-bi%C3%A2-s%C3%A2-biocl-heterojunction-with-enhanced-photocatalytic-activity
#5
Ji-Yao Tao, Qiao-Feng Han, Xiao-Qin Huang, Wei-Teng Ma
Bi2S3/BiOCl (denoted as BS-BC) heterojunction photocatalyst has been reported to be able to increase light absorption, promote charge separation and consequently enhance photocatalytic efficiency in comparison with single BiOCl. However, the heterojunction was usually prepared by a two-step method, i.e., BiOCl was firstly prepared and then to BS-BC heterojunction through an ion exchange strategy. In this work, BS-BC was prepared by a one-pot room temperature route, where Bi(NO3)3 dissolved in aqueous urea solution could homogeneously react with a mixture solution of NaCl and thiacetamide (TAA) to form BS-BC heterojunction...
June 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29437390/development-and-application-of-a-novel-bioassay-system-for-dioxin-determination-and-ahr-activation-evaluation-in-ambient-air-samples
#6
Songyan Zhang, Shuaizhang Li, Zhiguang Zhou, Hualing Fu, Li Xu, Heidi Qunhui Xie, Bin Zhao
Airborne persistent toxic substances are associated with health impacts resulting from air pollution, e.g. dioxins, dioxin-like polychlorinated biphenyls and certain polycyclic aromatic hydrocarbons (PAHs), which activate aryl hydrocarbon receptor (AhR) and thereby produce the adverse outcomes. Thus, a bioassay for evaluating AhR activation is required for the risk assessment of ambient-air samples, and for this purpose, we developed a new and sensitive recombinant mouse hepatoma cell line, CBG2.8D, in which a novel luciferase-reporter plasmid containing 2 copies of a newly designed dioxin-responsive domain and a minimal promoter derived from a native gene were integrated...
February 13, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29433552/chimeric-antigen-receptor-t-cell-car-t-immunotherapy-for-solid-tumors-lessons-learned-and-strategies-for-moving-forward
#7
REVIEW
Jian Li, Wenwen Li, Kejia Huang, Yang Zhang, Gary Kupfer, Qi Zhao
Recently, the US Food and Drug Administration (FDA) approved the first chimeric antigen receptor T cell (CAR-T) therapy for the treatment CD19-positive B cell acute lymphoblastic leukemia. While CAR-T has achieved remarkable success in the treatment of hematopoietic malignancies, whether it can benefit solid tumor patients to the same extent is still uncertain. Even though hundreds of clinical trials are undergoing exploring a variety of tumor-associated antigens (TAA), no such antigen with comparable properties like CD19 has yet been identified regarding solid tumors CAR-T immunotherapy...
February 13, 2018: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/29433221/colonic-fermentation-of-polyphenolics-from-sea-buckthorn-hippophae-rhamnoides-berries-assessment-of-effects-on-microbial-diversity-by-principal-component-analysis
#8
Sampan Attri, Kavita Sharma, Pinky Raigond, Gunjan Goel
The present study investigates the stability of polyphenolic in Sea buckthorn berries juice (SBJ) during different phases of digestion and its effect on colonic microbial diversity. At each stage, the Total polyphenolic content (TPC), Total antioxidant activity (TAA) and polyphenolic profile was determined. A 1.64 and 2.20 folds increase in TPC with 4.88 and 9.61 folds increase in TAA were observed during gastric and small intestine digestion (p<0.05) with the release of quercetin from food matrix. The digestion resulted in deformation of intact crystalline structure as indicated by scanning electron micrographs...
March 2018: Food Research International
https://www.readbyqxmd.com/read/29428718/synergistic-effects-of-simvastatin-and-bone-marrow-derived-mesenchymal-stem-cells-on-hepatic-fibrosis
#9
Yoon Ok Jang, Sung Hoon Kim, Mee-Yon Cho, Kyung Sik Kim, Kyu-Sang Park, Seung-Kuy Cha, Moon Young Kim, Sei Jin Chang, Soon Koo Baik
The beneficial effects of simvastatin on fibrosis in various organs have been reported. In addition, bone marrow (BM)-derived mesenchymal stem cells (MSCs) have been suggested as an effective therapy for hepatic fibrosis and cirrhosis. Recent evidence suggests that pharmacological treatment devoted to regulating stem cell function is a potential new therapeutic strategy that is drawing nearer to clinical practice. The aim of this study was to determine whether the combination treatment of simvastatin plus MSCs (Sim-MSCs) could have a synergistic effect on hepatic fibrosis in a thioacetamide (TAA)-induced cirrhotic rat model and hepatic stellate cells (HSCs)...
February 8, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29415891/efficacy-of-intracellular-immune-checkpoint-silenced-dc-vaccine
#10
Danhong Wang, Xue F Huang, Bangxing Hong, Xiao-Tong Song, Liangding Hu, Min Jiang, Bin Zhang, Hongmei Ning, Yuhang Li, Chen Xu, Xiao Lou, Botao Li, Zhiyong Yu, Jiangwei Hu, Jianlin Chen, Fan Yang, Haiyan Gao, Guoliang Ding, Lianming Liao, Lisa Rollins, Lindsey Jones, Si-Yi Chen, Hu Chen
BACKGROUND: DC-based tumor vaccines have had limited clinical success thus far. SOCS1, a key inhibitor of inflammatory cytokine signaling, is an immune checkpoint regulator that limits DC immunopotency. METHODS: We generated a genetically modified DC (gmDC) vaccine to perform immunotherapy. The adenovirus (Ad-siSSF) delivers two tumor-associated antigens (TAAs), survivin and MUC1; secretory bacterial flagellin for DC maturation; and an RNA interference moiety to suppress SOCS1...
February 8, 2018: JCI Insight
https://www.readbyqxmd.com/read/29414242/hepato-protective-influence-of-quercetin-and-ellagic-acid-on-thioacetamide-induced-hepatotoxicity-in-rats
#11
Nehal Aly Afifi, Marwa Ibrahim, Mona Galal
Despite all the studies performed up to now, therapy choices for liver injuries are very few. Therefore, the search for a new treatment that could safely and effectively block or reverse liver injuries remains a challenge. The Quercetin (QR) and ellagic acid (EA) had a potent antioxidant and anti-inflammatory activities. The current study aimed at evaluating the potential hepatoprotective influence of QR and EA against thioacetamide (TAA)-induced liver toxicity in rats and the underlying mechanism using silymarin as a reference drug...
February 7, 2018: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29409267/uncontrolled-diabetes-as-a-potential-risk-factor-in-tibiotalocalcaneal-fusion-using-a-retrograde-intramedullary-nail
#12
Moses Lee, Woo Jin Choi, Seung Hwan Han, Jinyoung Jang, Jin Woo Lee
BACKGROUND: Tibiotalocalcaneal (TTC) fusion using a retrograde intramedullary (IM) nail is an effective salvage option for terminal-stage hindfoot problems. However, as many patients who receive TTC fusion bear unfavorable medical comorbidities, the risk of nonunion, infection and other complications increases. This study was performed to identify the factors influencing outcomes after TTC fusion using a retrograde IM nail. METHODS: Between September 2008 and February 2012, 34 consecutive patients received TTC fusion using a retrograde IM nail for limb salvage...
July 22, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29399408/oncolytic-viruses-sensitize-human-tumor-cells-for-ny-eso-1-tumor-antigen-recognition-by-cd4-effector-t-cells
#13
Tiphaine Delaunay, Mathilde Violland, Nicolas Boisgerault, Soizic Dutoit, Virginie Vignard, Christian Münz, Monique Gannage, Brigitte Dréno, Kristine Vaivode, Dace Pjanova, Nathalie Labarrière, Yaohe Wang, E Antonio Chiocca, Fabrice Le Boeuf, John C Bell, Philippe Erbs, Frédéric Tangy, Marc Grégoire, Jean-François Fonteneau
Oncolytic immunotherapy using oncolytic viruses (OV) has been shown to stimulate the antitumor immune response by inducing the release of tumor-associated antigens (TAA) and danger signals from the dying infected tumor cells. In this study, we sought to determine if the lysis of tumor cells induced by different OV: measles virus, vaccinia virus, vesicular stomatitis virus, herpes simplex type I virus, adenovirus or enterovirus, has consequences on the capacity of tumor cells to present TAA, such as NY-ESO-1...
2018: Oncoimmunology
https://www.readbyqxmd.com/read/29399398/cancer-vaccine-based-on-a-combination-of-an-infection-enhanced-adenoviral-vector-and-pro-inflammatory-allogeneic-dcs-leads-to-sustained-antigen-specific-immune-responses-in-three-melanoma-models
#14
Grammatiki Fotaki, Chuan Jin, Iliana Kyriaki Kerzeli, Mohanraj Ramachandran, Minttu-Maria Martikainen, Alex Karlsson-Parra, Di Yu, Magnus Essand
Autologous patient-derived dendritic cells (DCs) modified ex vivo to present tumor-associated antigens (TAAs) are frequently used as cancer vaccines. However, apart from the stringent logistics in producing DCs on a patient basis, accumulating evidence indicate that ex vivo engineered DCs are poor in migration and in fact do not directly present TAA epitopes to naïve T cells in vivo. Instead, it is proposed that bystander host DCs take up material from vaccine-DCs, migrate and subsequently initiate antitumor T-cell responses...
2018: Oncoimmunology
https://www.readbyqxmd.com/read/29389250/scandinavian-total-ankle-replacement-15-year-follow-up
#15
Ariel Palanca, Roger A Mann, Jeffrey A Mann, Andrew Haskell
BACKGROUND: Over the past decade, total ankle arthroplasty (TAA) has become a mainstay in the treatment of end-stage ankle arthritis. Currently in its fourth generation, the Scandanavian Total Ankle Replacement (STAR) is the only 3-piece mobile bearing ankle prosthesis available in the United States. Our current study reports implant survivorship at 15 years and patient outcomes for a subset of these survivors available for study. METHODS: Eighty-four TAAs were performed between 1998 and 2000...
February 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29386014/longitudinal-autoantibody-responses-against-tumor-associated-antigens-decrease-in-breast-cancer-patients-according-to-treatment-modality
#16
Rick L Evans, James V Pottala, Satoshi Nagata, Kristi A Egland
BACKGROUND: Metastatic breast cancer (BCa) is most often diagnosed months after completion of treatment of the primary tumor when a patient reports physical symptoms. Besides a physical examination, no other alternative recurrence screening method is recommended for routine follow-up care. Detection of autoantibodies against tumor-associated antigens (TAAs) has demonstrated promise for distinguishing healthy women from patients diagnosed with primary BCa. However, it is unknown what changes occur to patient autoantibody levels during and after treatment...
January 31, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29383849/interfacial-generation-of-carbanion-the-key-step-of-ptc-reaction-directly-observed-by-second-harmonic-generation
#17
Michal Hamkalo, Piotr Fita, Michał Fedoryński, Mieczyslaw Makosza
We present the first unambiguous evidence of the interfacial mechanism of Phase Transfer Catalysis (PTC) by direct observation of the formation of carbanions in the interfacial region between the aqueous and the organic phase by using a surface-sensitive spectroscopic method: Second Harmonic Generation (SHG). Ion exchange of carbanions adsorbed at the surface after addition of lipophilic tetraalkylammonium salts (TAA) to organic phase and transport of the lipophilic ion-pairs to the organic phase is observed...
January 31, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29378012/i-motif-of-cytosine-rich-human-telomere-dna-fragments-containing-natural-base-lesions
#18
Zuzana Dvoráková, Daniel Renciuk, Iva Kejnovská, Petra Školáková, Klára Bednárová, Janos Sagi, Michaela Vorlícková
i-Motif (iM) is a four stranded DNA structure formed by cytosine-rich sequences, which are often present in functionally important parts of the genome such as promoters of genes and telomeres. Using electronic circular dichroism and UV absorption spectroscopies and electrophoretic methods, we examined the effect of four naturally occurring DNA base lesions on the folding and stability of the iM formed by the human telomere DNA sequence (C3TAA)3C3T. The results demonstrate that the TAA loop lesions, the apurinic site and 8-oxoadenine substituting for adenine, and the 5-hydroxymethyluracil substituting for thymine only marginally disturb the formation of iM...
January 25, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29376833/ultrahigh-lattice-thermal-conductivity-in-topological-semimetal-tan-caused-by-large-acoustic-optical-gap
#19
San-Dong Guo, Bang-Gui Liu
Topological semimetal may have potential applications like topological qubits, spintronics and quantum computations. Efficient heat dissipation is a key factor for the reliability and stability of topological semimetal-based nano-electronics devices, which is closely related to high thermal conductivity. In this work, the elastic properties and lattice thermal conductivity of TaN are investigated by first-principles calculations and the linearized phonon Boltzmann equation within the single-mode relaxation time approximation (RTA)...
January 29, 2018: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29372033/immunogenicity-of-chimeric-muc1-her2-vaccine-against-breast-cancer-in-mice
#20
Elaheh Gheybi, Ali Hatef Salmanian, Abbas Ali Imani Fooladi, Jafar Salimian, Hamideh Mahmoodzadeh Hosseini, Raheleh Halabian, Jafar Amani
Objectives: Breast cancer is one of the most common cancers in the world and is on the increase. MUC1 and HER2 as tumor-associated antigens (TAAs) are abnormally expressed to some extent in 75-80% of breast cancers. In our present research, a novel chimeric MUC1-HER2 (HM) protein was designed and used to study whether an immune response can be generated against these TAAs. In vitro analysis of the HER2-MUC1 construct confirmed the co-expression of MUC1 and HER2. Materials and Methods: BALB/c mice were immunized with this novel chimeric protein...
January 2018: Iranian Journal of Basic Medical Sciences
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