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https://www.readbyqxmd.com/read/28346888/oxidative-and-nitrosative-stress-biomarkers-in-chronic-schizophrenia
#1
Karine Maria Boll, Cristiano Noto, Kamila Landucci Bonifácio, Chiara Cristina Bortolasci, Ary Gadelha, Rodrigo Affonseca Bressan, Décio Sabbatini Barbosa, Michael Maes, Estefania Gastaldello Moreira
There is evidence that the acute phase of schizophrenia (SCZ) is accompanied by specific changes in oxidative and nitrosative stress (O&NS) biomarkers. There are, however, no firm data regarding these biomarkers in chronic SCZ. Therefore, this study aimed to delineate O&NS biomarkers in patients with chronic SCZ. 125 outpatients with SCZ and 118 controls were enrolled. The markers included lipid hydroperoxides (LOOH), advanced oxidation protein products (AOPP), nitric oxide metabolites (NOx), total radical-trapping antioxidant parameter (TRAP) and paraoxonase 1 (PON-1) activity...
March 21, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28342872/covalent-conjugation-of-the-equine-infectious-anemia-virus-gag-with-sumo
#2
Jinzhong Wang, Shuping Wen, Rui Zhao, Jing Qi, Zhao Liu, Weiwei Li, Jing An, Charles Wood, Ying Wang
The conjugation of small ubiquitin-like modifier (SUMO) to the target protein, namely, SUMOylation, is involved in the regulation of many important biological events including host-pathogen interaction. Some viruses have evolved to exploit the host SUMOylation machinery to modify their own protein. Retroviral Gag protein plays critical roles in the viral life cycle. The HIV-1 p6 and the Moloney murine leukemia virus CA have been reported to be conjugated with SUMO. In this study, we report for the first time, to our knowledge, the covalent conjugation of equine infectious anemia virus (EIAV) Gag with SUMO...
March 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28339247/thermodynamic-and-kinetic-fragility-of-freon-113-the-most-fragile-plastic-crystal
#3
A Vispa, M Romanini, M A Ramos, L C Pardo, F J Bermejo, M Hassaine, A I Krivchikov, J W Taylor, J Ll Tamarit
We present a dynamic and thermodynamic study of the orientational glass former Freon 113 (1,1,2-trichloro-1,2,2-trifluoroethane, CCl_{2}F-CClF_{2}) in order to analyze its kinetic and thermodynamic fragilities. Freon 113 displays internal molecular degrees of freedom that promote a complex energy landscape. Experimental specific heat and its microscopic origin, the vibrational density of states from inelastic neutron scattering, together with the orientational dynamics obtained by means of dielectric spectroscopy have revealed the highest fragility value, both thermodynamic and kinetic, found for this orientational glass former...
March 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28339195/the-electronic-configuration-and-ligand-nature-of-five-coordinate-iron-porphyrin-carbene-complexes-an-experimental-study
#4
Yulong Liu, Wei Xu, Jing Zhang, William Fuller, Charles E Schulz, Jianfeng Li
The five coordinate iron porphyrin carbene complexes [Fe(TPP)(CCl<u>2</u>)] (TPP = tetraphenylporphyrin), [Fe(TTP)(CCl<u>2</u>)] (TTP = tetratolylporphyrin) and [Fe(TFPP)(CPh<u>2</u>)] (TFPP = tetra(pentafluorophenyl)porphin), utilizing two types of carbene ligands (CCl<u>2</u> and CPh<u>2</u>), have been investigated by single crystal X-ray, XANES (X-ray Absorption Near Edge Spectroscopy), Mössbauer, NMR and UV-vis spectros-copies. The XANES unambiguously suggested the iron(II) oxida-tion state of the complexes...
March 24, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28333654/cytokine-changes-in-gastric-and-colonic-epithelial-cell-in-response-to-planta-ovata-extract
#5
Javed Yakoob, Wasim Jafri, Malik Hassan Mehmood, Zaigham Abbas, Kanwal Tariq
Background Psyllium (Planta ovata, Ispaghul) seed and husk are used for treatment of altered bowel habit, i. e. constipation and diarrhea. We studied the effect of Ispaghul extract on secretion of interleukin-1 beta (IL-1β) by AGS (ATCC CRL 1739) and SW480 (ATCC CCL-227) epithelial cell lines and determined whether Ispaghul extract has an effect on IL-1β secretion by Helicobacter pylori (H. pylori)-stimulated AGS cell and Escherichia coli K-12 (E. coli K-12)-stimulated SW480 cells in vitro. Methods The AGS cells and SW480 cells were pretreated with Ispaghul extract in concentrations, i...
March 22, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/28324642/cinnamon-reduces-inflammatory-response-in-intestinal-fibroblasts-in-vitro-and-in-colitis-in-vivo-leading-to-decreased-fibrosis
#6
Yvonne Hagenlocher, Sabrina Satzinger, Mehtap Civelek, Katharina Feilhauer, Jörg Köninger, Stephan C Bischoff, Axel Lorentz
Intestinal fibrosis, a complication of inflammatory bowel disease, is currently being addressed by surgery alone, with no adequate alternative therapy available for patients. We propose that anti-inflammatory plant substances like cinnamon extract (CE) or its main compound cinnamaldeyde (CA) could aid in therapy. We recently found CE reducing inflammation in murine colitis. Here, we analysed effects of CE on fibrosis in IL-10(-/-) colitis METHODS AND RESULTS: IL-10(-/-) and wild type (wt) mice were orally treated with/without vehicle or CE...
March 21, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28323576/tat-rasgap317-326-enhances-radiosensitivity-of-human-carcinoma-cell-lines-in-vitro-and-in-vivo-through-promotion-of-delayed-mitotic-cell-death
#7
Pelagia Tsoutsou, Alessandro Annibaldi, David Viertl, Jonathan Ollivier, Franz Buchegger, Marie-Catherine Vozenin, Jean Bourhis, Christian Widmann, Oscar Matzinger
The synthetic peptide TAT-RasGAP317-326 has been shown to potentiate the efficacy of anti-cancer drugs. In this study, we explored the action of TAT-RasGAP317-326 when combined with radiation by investigating its radiosensitizing activity in vitro and in vivo. To investigate the modulation of intrinsic radiosensitivity induced by TAT-RasGAP317-326, clonogenic assays were performed using four human cancer cell lines, HCT116 p53(+/+) (ATCC: CCL-247), HCT116 p53(-/-), PANC-1 (ATCC: CRL-1469) and HeLa (ATCC: CCL-2), as well as one nontumor cell line, HaCaT (CLS: 300493)...
March 21, 2017: Radiation Research
https://www.readbyqxmd.com/read/28323047/biochemical-and-chemical-characterization-of-cynara-cardunculus-l-extract-and-its-potential-use-as-co-adjuvant-therapy-of-chronic-myeloid-leukemia
#8
Antonio Russo, Mariarita Perri, Erika Cione, Maria Luisa Di Gioia, Monica Nardi, Maria Cristina Caroleo
ETHNOPHARMACOLOGICAL RELEVANCE: Ancient mediterranean diet was characterized by consuming the spontaneous forms of Cynara Cardunculus L. (CCL), commonly called artichoke. Cultivated and/or spontaneous forms of CC studies have demonstrated that methanol extract of CCL flower and/or cynaropicrin showed remarkable anti-proliferative activity in vitro models of leukocyte cancer cell. AIM OF THE STUDY: Chronic myeloid leukemia (CML) is associated with a reciprocal translocation of the long arms of chromosomes 9 and 22 generating the BCR/ABL fusion gene, translated in the p210(BCR/ABL) oncoprotein kinase...
March 18, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28322933/the-chemokinome-superfamily-ii-the-64-cc-chemokines-in-channel-catfish-and-their-involvement-in-disease-and-hypoxia-responses
#9
Qiang Fu, Yujia Yang, Chao Li, Qifan Zeng, Tao Zhou, Ning Li, Yang Liu, Yun Li, Xiaozhu Wang, Shikai Liu, Daoji Li, Zhanjiang Liu
Chemokines are a superfamily of structurally related chemotactic cytokines exerting significant roles in regulating cell migration and activation. Based on the arrangement of the first four cysteine residues, they are classified into CC, CXC, C and CX3C subfamilies. In this study, a complete set of 64 CC chemokine ligand (CCL) genes was systematically identified, annotated, and characterized from the channel catfish genome. Extensive phylogenetic and comparative genomic analyses supported their annotations, allowing establishment of their orthologies, revealing fish-specific CC chemokines and the expansion of CC chemokines in the teleost genomes through lineage-specific tandem duplications...
March 18, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28322829/at-rvd1-modulates-the-activation-of-bronchial-epithelial-cells-induced-by-lipopolysaccharide-and-dermatophagoides-pteronyssinus
#10
Jhony Robison de Oliveira, Paulo Roberto da Silva, Alexandre de Paula Rogério
Bronchial epithelial cells are essential to airways homeostasis; however, they are also involved in exacerbation of airway inflammatory responses of patients with conditions such as asthma. Dermatophagoides pteronyssinus (Dp), the most important allergen, and lipopolysaccharide (LPS), both of which are present in house dust mites (HDM), can activate immune and structural cells (such as bronchial epithelial cells) and modulate the airway inflammation in asthma patients. Resolvin D1 (RvD1) and its epimer aspirin-triggered-resolvin D1 (AT-RvD1) are lipid mediators that are produced during the resolution of inflammation and demonstrate anti-inflammatory and pro-resolution effects in several experimental models including experimental models of allergic airway inflammation...
March 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28315675/low-intensity-training-and-the-c5a-complement-antagonist-nox-d21-rescue-the-mdx-phenotype-through-modulation-of-inflammation
#11
Janek Hyzewicz, Jun Tanihata, Mutsuki Kuraoka, Yuko Nitahara-Kasahara, Teiva Beylier, Urs T Ruegg, Axel Vater, Shin'ichi Takeda
Inflammatory events occurring in dystrophic muscles contribute to the progression of Duchenne muscular dystrophy (DMD). Low-intensity training (LIT) attenuates the phenotype of mdx mice, an animal model for DMD. Therefore, we postulated that LIT could have anti-inflammatory properties. We assessed levels of inflammatory cytokines and infiltrated immune cells in gastrocnemius muscle of mdx mice after LIT. We detected high levels of complement component C5a, chemokine ligand (CCL) 2, CD68(+) monocytes/macrophages, and proinflammatory M1 macrophages in muscles of mdx mice...
March 15, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28302021/cytokines-induced-during-influenza-virus-infection
#12
Tatiana Betáková, Anna Kostrabova, Veronika Lachova, Lucia Turianova
Influenza A virus is one of the major human pathogens. The influenza infection can pass out without any subclinical symptoms or infestation can appear in upper respiratory tract as well as in lower respiratory tract where it can result in lethal outcome. Both innate and adaptive immune responses are activated shortly after infection providing protection against infection. Many activities of the cells of innate and adaptive immunity are coordinated by cytokines. However, inordinate or disbalanced immune response may result in overproduction of cytokines as well as chemokines what can lead to severe inflammation, including excessive recruitment of neutrophils and mononuclear cells at the site of infection...
March 16, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28295231/deficiency-in-irak4-activity-attenuates-manifestations-of-murine-lupus
#13
Michael Murphy, Goutham Pattabiraman, Tissa T Manavalan, Andrei E Medvedev
Interleukin-1 receptor-associated kinase (IRAK) 4 mediates host defense against infections. As an active kinase, IRAK4 elicits full spectra of myeloid differentiation primary response protein (MyD) 88-dependent responses, while kinase-inactive IRAK4 induces a subset of cytokines and negative regulators whose expression is not regulated by mRNA stability. IRAK4 kinase activity is critical for resistance against Streptococcus pneumonia, but its involvement in autoimmunity is incompletely understood. In this study, we determined the role of IRAK4 kinase activity in murine lupus...
March 10, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28282218/immunotoxins-in-cancer-therapy-review-and-update
#14
Bahman Akbari, Safar Farajnia, Shiva Ahdi Khosroshahi, Fatemeh Safari, Mohammadreza Yousefi, Hassan Dariushnejad, Leila Rahbarnia
Immunotoxins are a novel class of cancer therapeutics that contains a cytotoxic agent fused to a targeting moiety. Various toxic agents from different sources are used in immunotoxin development, including bacterial, plant and human origin cytotoxic elements. Although bacterial and plant-derived toxins are highly toxic and commonly used in immunotoxins, their immunogenicity for human restricted their application in cancer therapy. Here, we discuss the advantages and limitations of bacterial toxins such as Pseudomonas and Diphtheria toxins, plant toxins such as ricin and gelonin, and some endogenous protein of human origin such as RNases and Granzymes...
March 1, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28279502/circulating-microparticle-subpopulations-in-systemic-lupus-erythematosus-are-affected-by-disease-activity
#15
Patricia López, Javier Rodríguez-Carrio, Aleida Martínez-Zapico, Luis Caminal-Montero, Ana Suárez
BACKGROUND: Immune cells under chronic inflammation shed microparticles (MPs) that could fuel the inflammatory responses and atherosclerosis typically presented in systemic lupus erythematosus (SLE). This study analyzes total and subset-specific MPs from SLE patients and their possible influence on clinical features, leukocyte activation and serum cytokines. METHODS: Total MPs and those derived from platelets, endothelial cells, monocytes, granulocytes and T-cells were quantified in plasma of 106 SLE patients and 33 healthy controls by flow cytometry...
March 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28274580/effect-of-part-time-cardiac-catheterization-facilities-in-patients-with-acute-myocardial-infarction
#16
Luciano Consuegra-Sánchez, Leticia Jaulent-Huertas, Marta Vicente-Gilabert, Ángela Díaz-Pastor, Germán Escudero-García, Nuria Alonso-Fernández, Francisco Javier Gil-Sánchez, Juan Martínez-Hernández, Juan Sanchis-Forés, José Galcerá-Tomás, Antonio Melgarejo-Moreno
BACKGROUND: Although the easy availability of invasive cardiac care facilities is associated with an increase in their use, their influence on outcomes is not clear. We sought to investigate whether a newly available cardiac catheterization laboratory (CCL) performing percutaneous coronary intervention (PCI) on a part-time (PT) basis might improve outcomes in patients with acute myocardial infarction (AMI). METHODS: This was an observational cohort study that included all consecutive patients with AMI admitted to a secondary-level hospital in Spain before and after the PT-CCL opened in January 2006: during 1998-2005 and 2006-2014, respectively...
March 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28273866/camellia-sinensis-l-extract-and-its-potential-beneficial-effects-in-antioxidant-anti-inflammatory-anti-hepatotoxic-and-anti-tyrosinase-activities
#17
Surached Thitimuta, Pimolpan Pithayanukul, Saruth Nithitanakool, Rapepol Bavovada, Jiraporn Leanpolchareanchai, Patchreenart Saparpakorn
The aims of this study were to investigate the potential benefits of antioxidant, anti-inflammatory, anti-hepatotoxic, and anti-tyrosinase activities of a methanolic extract of fresh tea leaves (FTE) (Camellia sinensis L.). The antioxidant capacity was investigated using three different methods at different temperatures. The anti-inflammatory activity was studied in vitro by the inhibition of 5-lipoxygenase assay. The anti-hepatotoxic effect was investigated in CCl₄-induced liver injury in rats. The anti-tyrosinase activities of the FTE and its principal phenolic compounds were investigated in l-3,4-dihydroxyphenylalanine (l-DOPA) oxidation by a mushroom tyrosinase...
March 4, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28272302/a-new-oleanolic-acid-derivative-against-ccl%C3%A2-induced-hepatic-fibrosis-in-rats
#18
Hongjun Xiang, Yaotian Han, Yuzhong Zhang, Wenqiang Yan, Bing Xu, Fuhao Chu, Tianxin Xie, Menglu Jia, Mengmeng Yan, Rui Zhao, Penglong Wang, Haimin Lei
A novel hepatoprotective oleanolic acid derivative, 3-oxours-oleana-9(11), 12-dien-28-oic acid (Oxy-Di-OA), has been reported. In previous studies, we found that Oxy-Di-OA presented the anti-HBV (Hepatitis B Virus) activity (IC50 = 3.13 µg/mL). Remarkably, it is superior to lamivudine in the inhibition of the rebound of the viral replication rate. Furthermore, Oxy-Di-OA showed good performance of anti-HBV activity in vivo. Some studies showed that liver fibrosis may affiliate with HBV gene mutations. In addition, the anti-hepatic fibrosis activity of Oxy-Di-OA has not been studied...
March 6, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28263753/the-maternal-plasma-proteome-changes-as-a-function-of-gestational-age-in-normal-pregnancy-a-longitudinal-study
#19
Roberto Romero, Offer Erez, Eli Maymon, Piya Chaemsaithong, Zhonghui Xu, Percy Pacora, Tinnakorn Chaiworapongsa, Bogdan Done, Sonia S Hassan, Adi L Tarca
OBJECTIVE: Pregnancy is accompanied by dramatic physiologic changes in maternal plasma proteins. Characterization of the maternal plasma proteome in normal pregnancy is an essential step for understanding changes to predict pregnancy outcome. The objective of this study was to describe maternal plasma proteins that change in abundance with advancing gestational age, and determine biological processes that are perturbed in normal pregnancy. MATERIALS AND METHODS: A longitudinal study included 43 normal pregnancies that had a term delivery of an infant who was appropriate for gestational age (AGA) without maternal or neonatal complications...
March 2, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28262119/marsdeniae-tenacissimae-extract-mte-suppresses-cell-proliferation-by-attenuating-vegf-vegfr2-interactions-and-promotes-apoptosis-through-regulating-pkc-pathway-in-human-umbilical-vein-endothelial-cells
#20
Bing-Yu Chen, Dong Chen, Jian-Xin Lyu, Kai-Qiang Li, Meng-Meng Jiang, Jing-Jing Zeng, Xu-Jun He, Ke Hao, Hou-Quan Tao, Xiao-Zhou Mou, You-Min Ying, Wei Zhang, Meng-Hua Zhu, Zhen Wang
Marsdeniae tenacissimae extract (MTE), commonly known as Xiao-Ai-Ping in China, is a traditional Chinese herb medicine capable of inhibiting proliferation and metastasis and boosting apoptosis in various cancer cells. However, little is known about the contribution of MTE towards tumor angiogenesis and the underlying mechanism. The present study aimed to evaluate the effects of MTE on the proliferation and apoptosis of human umbilical vein endothelial cells (HUVECs) and the molecular mechanism. 3-(4,5-dimethylthiazol-2-yl)-5(3-carboxymethoxyphenyl)-2-(4-sulfopheny)-2H-tetrazolium, inner salt (MTS) and PI-stained flow cytometry assays revealed that MTE dose-dependently reduced the proliferation of HUVECs by arresting cell cycle at S phase (P < 0...
December 2016: Chinese Journal of Natural Medicines
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