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https://www.readbyqxmd.com/read/28820425/bioinformatics-analysis-of-phylogeny-and-transcription-of-taa-yuc-auxin-biosynthetic-genes
#1
Axel Poulet, Verena Kriechbaumer
Auxin is a main plant growth hormone crucial in a multitude of developmental processes in plants. Auxin biosynthesis via the tryptophan aminotransferase of arabidopsis (TAA)/YUCCA (YUC) route involving tryptophan aminotransferases and YUC flavin-dependent monooxygenases that produce the auxin indole-3-acetic acid (IAA) from tryptophan is currently the most researched auxin biosynthetic pathway. Previous data showed that, in maize and arabidopsis, TAA/YUC-dependent auxin biosynthesis can be detected in endoplasmic reticulum (ER) microsomal fractions, and a subset of auxin biosynthetic proteins are localized to the ER, mainly due to transmembrane domains (TMD)...
August 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28813612/role-of-zinc-oxide-nanoparticles-in-alleviating-hepatic-fibrosis-and-nephrotoxicity-induced-by-thioacetamide-in-rats
#2
Samir Ae Bashandy, Abdulaziz Alaamer, Sherif Abdelmawgoud Moussa, Enayat Omara
The present research studied the influence of zinc oxide nanoparticles (ZnO-NPs; 5mg, 7.5mg, 10 mg/Kg IP) on the liver and kidney injuries motivated by thioacetamide (TAA; 100mg/Kg IP).Each treatment was carried out three times weekly for eight weeks .ZnO-NPs relieved the decrease of hepatic or renal reduced glutathione (GSH), catalase (CAT) and superoxide dismutase (SOD) induced by TAA. Moreover, ZnO-NPs lowered tissues malondialdehyde (MDA, an indicator for lipid peroxidation). TAA treatment led to a significant increase in plasma inflammatory markers (TNF-α, IL-6), liver enzymes (Gamma-glutamyltransferase (GGT), Aspartate aminotransferase (AST), Alanine aminotransferase (ALT) and kidney function parameters (Creatinine, urea, uric acid)...
August 16, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28811970/trial-watch-dendritic-cell-based-anticancer-immunotherapy
#3
REVIEW
Abhishek D Garg, Monica Vara Perez, Marco Schaaf, Patrizia Agostinis, Laurence Zitvogel, Guido Kroemer, Lorenzo Galluzzi
Dendritic cell (DC)-based vaccines against cancer have been extensively developed over the past two decades. Typically DC-based cancer immunotherapy entails loading patient-derived DCs with an appropriate source of tumor-associated antigens (TAAs) and efficient DC stimulation through a so-called "maturation cocktail" (typically a combination of pro-inflammatory cytokines and Toll-like receptor agonists), followed by DC reintroduction into patients. DC vaccines have been documented to (re)activate tumor-specific T cells in both preclinical and clinical settings...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28810805/hindfoot-arthritis-progression-and-arthrodesis-risk-after-total-ankle-replacement
#4
Travis J Dekker, David Walton, Emily N Vinson, Kamran S Hamid, Andrew E Federer, Mark E Easley, James K DeOrio, James A Nunley, Samuel B Adams
BACKGROUND: The purpose of this study was to assess the radiographic progression of subtalar and talonavicular degenerative joint disease in a series of patients who had undergone TAA (total ankle arthroplasty) with minimum follow-up of 5 years. METHODS: TAA patient radiographs from a single institution were analyzed for peritalar arthritic changes by extrapolating the modified Kellgren Lawrence (KL) grades of the knee to the subtalar and talonavicular joints. Patients were included if they had a minimum of 5 years of follow-up...
August 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28802065/quercetin-reverses-experimental-cirrhosis-by-immunomodulation-of-the-proinflammatory-and-profibrotic-processes
#5
Sael Casas-Grajales, Luis F Vázquez-Flores, Erika Ramos-Tovar, Erika Hernández-Aquino, Rosa E Flores-Beltrán, Carlos M Cerda-García-Rojas, Javier Camacho, Mineko Shibayama, Víctor Tsutsumi, Pablo Muriel
The ability of quercetin to reverse an established cirrhosis has not yet been investigated. Therefore, the aim of the present study was to examine the efficacy of this flavonoid in reversing experimental cirrhosis. Cirrhosis was induced by intraperitoneal administration of TAA (200 mg/kg of body weight) three times per week for 8 weeks or by intraperitoneal petrolatum-CCl4 (400 mg/kg of body weight) administration three times per week for 8 weeks. To determine the capacity of quercetin to prevent liver fibrosis, the flavonoid (50 mg/kg of body weight, p...
August 12, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28800944/systematic-review-tumor-associated-antigen-autoantibodies-and-ovarian-cancer-early-detection
#6
REVIEW
Renée Turzanski Fortner, Antje Damms-Machado, Rudolf Kaaks
OBJECTIVES: Tumor-associated autoantibodies (AAbs), produced as an immune response to tumor-associated antigens (TAAs), are a novel pathway of early detection markers. METHODS: We conducted a systematic review on AAbs and ovarian cancer to summarize the diagnostic performance of individual AAbs and AAb panels. A total of 29 studies including 85 AAbs were included; 27 of the studies were conducted in prevalent cases and cancer-free controls and 2 investigations included pre-diagnosis samples...
August 8, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28800719/total-ankle-arthroplasty-comparing-perioperative-outcomes-when-performed-at-an-orthopaedic-specialty-hospital-versus-an-academic-teaching-hospital
#7
David M Beck, Eric M Padegimas, David I Pedowitz, Steven M Raikin
BACKGROUND: The number of total ankle arthroplasties (TAAs) performed in the United States has risen significantly in recent years, as has utilization of orthopaedic specialty hospital (OSH) to treat healthy patients undergoing elective surgery. The purpose of this study was to compare postoperative outcomes following TAA at an OSH when compared with a matching population of patients undergoing TAA at an academic teaching hospital (ATH). METHODS: We identified all TAA from January 2014 to December 2014 at the OSH and January 2010 to January 2016 at the ATH...
August 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28800171/antioxidant-protection-by-%C3%AE-selenoamines-against-thioacetamide-induced-oxidative-stress-and-hepatotoxicity-in-mice
#8
Sílvio Terra Stefanello, Diane Duarte Hartmann, Guilherme Pires Amaral, Aline Alves Courtes, Martim T B Leite, Thayanara Cruz da Silva, Débora Farina Gonçalves, Micaela B Souza, Pâmela Carvalho da Rosa, Luciano Dornelles, Félix Alexandre Antunes Soares
Thioacetamide (TAA) is a hepatotoxin that rapidly triggers the necrotic process and oxidative stress in the liver. Nevertheless, organic selenium compounds, such as β-selenoamines, can be used as pharmacological agents to diminish the oxidative damage. Thus, the aim of this study was to investigate the protective effect of the antioxidant β-selenoamines on TAA-induced oxidative stress in mice. Here, we observed that a single intraperitoneal injection of TAA (200 mg/kg) dramatically elevated some parameters of oxidative stress, such as lipid peroxidation and reactive oxygen species (ROS) production, as well as depleted cellular antioxidant defenses...
August 11, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28795601/poly-glutamic-dendrimer-based-conjugates-for-cancer-vaccination-a-computational-design-for-targeted-delivery-of-antigens
#9
L I F Moura, N Martinho, L C Silva, T S Barata, S Brocchini, H F Florindo, M Zloh
Computational techniques are useful to predict interaction models and molecular properties for the design of drug delivery systems, such as dendrimers. This work evaluated the impact of surface modifications of mannosamine-conjugated multifunctional poly(glutamic acid) (PG)-dendrimers as nanocarriers of the tumour associated antigens (TAA) MART-1, gp100:44 and gp100:209. Molecular dynamics simulations and docking studies were performed. Nitrobenzoxadiazole (NBD)-PG-G4-dendrimer displayed 64 carboxylic groups, however, the Frontier Molecular Orbital Theory study evidenced that only 32 of those were available to form covalent bonds...
August 10, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28791384/curcumin-attenuates-the-development-of-thoracic-aortic-aneurysm-by-inhibiting-vegf-expression-and-inflammation
#10
Xiang Li, Qin Fang, Xiaohong Tian, Xiaohong Wang, Qiang Ao, Weijian Hou, Hao Tong, Jun Fan, Shuling Bai
Angiogenesis is an important process in the pathogenesis of aortic aneurysm. The aim of the present study was to investigate the angiogenic balance and the expression of vascular endothelial growth factor (VEGF) in thoracic aortic aneurysm (TAA). A previous study demonstrated that curcumin exerts a marked effect on aortic aneurysm development. Therefore, the present study determined whether curcumin is able to modulate angiogenesis and inflammatory signaling in TAA by collecting human TAA samples and establishing a rat TAA model using periaortic application of CaCl2...
August 4, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28791124/combining-dendritic-cells-and-b-cells-for-presentation-of-oxidised-tumour-antigens-to-cd8-t-cells
#11
Melanie L Grant, Nicholas Shields, Silke Neumann, Katrin Kramer, Andrea Bonato, Christopher Jackson, Margaret A Baird, Sarah L Young
The dendritic cell (DC) is the foremost antigen-presenting cell (APC) for ex vivo expansion of tumour-specific patient T cells. Despite marked responses in some patients following reinfusion of DC-activated autologous or HLA-matched donor T cells, overall response rates remain modest in solid tumours. Furthermore, most studies aim to generate immune responses against defined tumour-associated antigens (TAA), however, meta-analysis reveals that those approaches have less clinical success than those using whole tumour cells or their components...
July 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28777843/-genetic-and-prenatal-diagnosis-for-a-haemophilia-a-family-with-two-novel-mutations-of-f8-gene
#12
Tao Li, Qiaofang Hou, Hongyan Liu, Hai Xiao, Bo Zhang, Shiling Liu, Yanli Yang, Chaoyang Zhang, Xuebing Ding, Shixiu Liao
OBJECTIVE: To conduct genetic diagnosis for a family affected with hamophilia A. METHODS: Potential mutations of the F8 gene were analyzed with PCR and Sanger sequencing. Carriers of the mutation were identified through linkage analysis using short tandem repeat (STR) markers. Suspected mutations were verified among 100 healthy controls to rule out genetic polymorphism. Prenatal diagnosis was provided based on the above results. RESULTS: Sequencing analysis has identified two mutations, c...
August 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28770824/acute-liver-failure-enhances-oral-plasma-exposure-of-zidovudine-in-rats-by-downregulation-of-hepatic-ugt2b7-and-intestinal-p-gp
#13
Fan Wang, Ming-Xing Miao, Bin-Bin Sun, Zhong-Jian Wang, Xian-Ge Tang, Yang Chen, Kai-Jing Zhao, Xiao-Dong Liu, Li Liu
HIV infection is often associated with liver failure, which alters the pharmacokinetics of many drugs. In this study we investigated whether acute liver failure (ALF) altered the pharmacokinetics of the first-line anti-HIV agent zidovudine (AZT), a P-gp/BCRP substrate, in rats. ALF was induced in rats by injecting thioacetamide (TAA, 300 mg·kg(-1)·d(-1), ip) for 2 days. On the second day after the last injection of TAA, the pharmacokinetics of AZT was investigated following both oral (20 mg/kg) and intravenous (10 mg/kg) administration...
August 3, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28768706/the-prevalence-of-cancer-associated-autoantibodies-in-patients-with-gastric-cancer-and-progressive-grades-of-premalignant-lesions
#14
Irēna Meistere, Simone Werner, Pawel Zayakin, Karīna Siliņa, Undīne Rulle, Angelina Pismennaja, Daiga Šantare, Ilze Kikuste, Sergejs Isajevs, Marcis Leja, Limas Kupčinskas, Juozas Kupčinskas, Laimas Jonaitis, Chun-Ying Wu, Hermann Brenner, Aija Linē, Zane Kalniņa
BACKGROUND: Serum autoantibodies against tumor-associated antigens (TAA) are detectable in early stage gastric cancer patients; however, the time point during cancerogenesis when they appear in circulation is still obscure. METHODS: In this study, we developed a recombinant antigen microarray and analyzed the prevalence of autoantibodies against 102 TAAs in 829 gastric cancer patients and 929 healthy controls from Caucasian and Asian populations, as well as 100 patients with chronic atrophic gastritis and 775 individuals staged according to different grades of intestinal metaplasia...
August 2, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28764568/thoracic-aortic-aneurysms-state-of-the-art-and-current-controversies
#15
Natalie Ho, Ashley Mohadjer, Milind Desai
Complications of thoracic aortic aneurysms (TAA), including aortic rupture and dissection, are often catastrophic and prophylactic intervention can be lifesaving. Controversies exist regarding the standardization of aortic imaging techniques, the best metric for assessing aortic risk and the optimal threshold for intervention. Areas covered: This review summarizes recent temporal trends in TAA disease, provides an overview of the role of multi-modality imaging in diagnosis of the disease, and reviews controversies around surgical thresholds for intervention and medical therapies in the management of TAA disease...
August 2, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28756766/accuracy-assessment-of-measuring-component-position-after-total-ankle-arthroplasty-using-a-conventional-method
#16
Kyoung-Jai Lee, Shao-Hua Wang, Gun-Woo Lee, Keun-Bae Lee
BACKGROUND: This study was to assess the accuracy of measuring the tibial and talar components position and to investigate the outlier rate of each component and predisposing factors related to component malalignment after total ankle arthroplasty (TAA) using a conventional method. METHODS: One hundred fifty consecutive primary total ankle arthroplasty were performed using the three-component HINTEGRA prosthesis for ankle end-stage osteoarthritis. Radiographic analysis for the accuracy of component position in coronal and sagittal plane was conducted at postoperative 6 months...
July 31, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28756047/effectiveness-of-surgical-interventions-for-thoracic-aortic-aneurysms-a-systematic-review-and-meta-analysis
#17
REVIEW
Mouaz Alsawas, Feras Zaiem, Laura Larrea-Mantilla, Jehad Almasri, Patricia J Erwin, Gilbert R Upchurch, M Hassan Murad
OBJECTIVE: A systematic review and meta-analysis was conducted to evaluate the effectiveness of thoracic endovascular aortic repair (TEVAR) and open repair in patients with descending thoracic aortic aneurysms (TAAs). METHODS: PubMed, Ovid MEDLINE, Ovid Embase, EBSCO Cumulative Index to Nursing and Allied Health Literature, and Scopus were searched from each database's inception to January 29, 2016. We selected studies that compared the two approaches in adults with TAAs and reported 30-day mortality or procedure complications...
July 26, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28754618/hepatoprotective-effect-of-hesperidin-in-hepatocellular-carcinoma-involvement-of-wnt-signaling-pathways
#18
Randa A Zaghloul, Nehal M Elsherbiny, Hany I Kenawy, Amr El-Karef, Laila A Eissa, Mamdouh M El-Shishtawy
AIMS: Wnt3a and Wnt5a are ligands orchestrating the canonical and non-canonical pathways, respectively, with involvement in hepatocellular carcinoma (HCC). Hesperidin (HP) is a natural product found in citrus fruits and reputed for its antitumor activity. The present study aims to investigate the potential hepatoprotective effect of HP against thioacetamide (TAA)-induced HCC focusing on its potential role on Wnt3a and Wnt5a signaling pathways. MAIN METHODS: Forty rats were equally divided into groups; normal control, HP control (receiving HP, 150mg/kg/day), HCC (receiving TAA, 200mg/kg twice weekly for 14weeks) and HP-HCC (receiving HP and TAA)...
July 25, 2017: Life Sciences
https://www.readbyqxmd.com/read/28754514/comparative-efficacy-of-chemical-stabilizers-on-the-thermostabilization-of-a-novel-live-attenuated-buffalopox-vaccine
#19
M S Siva Sankar, V Bhanuprakash, G Venkatesan, D P Bora, M Prabhu, R Yogisharadhya
In the present investigation, the thermostability of a live attenuated buffalopox vaccine prepared with an indigenous baffalopox virus isolate (BPXV Vij/96) and freeze-dried under conventional lyophilizing conditions is described. Three different stabilizer combinations like LS (lactalbumin hydralysate + sucrose), LHT (lactalbumin hydralysate + Trehalose dihydrate) and TAA (Trehalose dihydrate + l- Alanine + l-Histidine) were used to prepare the vaccine. The study indicated that the LS stabilizer was found to be the stabilizer of choice followed by LHT and TAA for buffalopox vaccine at all temperatures studied...
July 25, 2017: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/28752715/-advances-in-application-of-adoptive-t-cell-therapy-for-cancer-patients
#20
Zou Jixia, Zhang Chengyan, Wang Pingli
Adoptive T-cell therapy is the administration of tumor cytotoxic T-cells derived from either patient himself or donors, which were induced or genetically engineered and expanded in vitro, and then injected into patients. Several strategies for adoptive T-cell therapy have been developed since last 30 years. From lymphokine-activated killer cells, tumor-infiltrating lymphocytes, cytokine-induced killer cells, to gene-modified T-cells and tumor associated antigen (TAA)-specific cytotoxic T-cells, the adoptive T-cell therapy has been moving forward to more precise tumor targeting and more effective in elimination of cancer cells...
March 25, 2017: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
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