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https://www.readbyqxmd.com/read/28925397/coactosin-like-protein-clp-cotl1-suppresses-breast-cancer-growth-through-activation-of-il-24-perp-and-inhibition-of-non-canonical-tgf%C3%AE-signaling
#1
L Xia, X Xiao, W L Liu, Y Song, T J J Liu, Y J Li, E Zacksenhaus, X J Hao, Y Ben-David
Coactosin-like protein (CLP, or Cotl1), is an F-actin-binding protein, whose role in cancer is largely unknown. Here we show that CLP/Cotl1 is highly expressed in a rat epithelial breast cancer cell line (FE1.3) compared with its mesenchymal counterpart (FE1.2). Knockdown of CLP/Cotl1 in FE1.3 cells increased cell proliferation, whereas its overexpression in FE1.2 cells inhibited proliferation in culture and reduced tumor growth in xenograft assays in mice. Mechanistically, we identified two major pathways through which CLP/Cotl1 exerts its suppressive effects...
September 18, 2017: Oncogene
https://www.readbyqxmd.com/read/28922428/diminished-neutrophil-extracellular-trap-net-formation-is-a-novel-innate-immune-deficiency-induced-by-acute-ethanol-exposure-in-polymicrobial-sepsis-which-can-be-rescued-by-cxcl1
#2
Liliang Jin, Sanjay Batra, Samithamby Jeyaseelan
Polymicrobial sepsis is the result of an exaggerated host immune response to bacterial pathogens. Animal models and human studies demonstrate that acute alcohol intoxication is a key risk factor for sepsis-induced mortality. Multiple chemokines, such as CXCL1, CXCL2 and CXCL5 are critical for neutrophil recruitment and proper function of neutrophils. However, it is not quite clear the mechanisms by which acute alcohol suppresses immune responses and whether alcohol-induced immunosuppression can be rescued by chemokines...
September 18, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28917537/hbcag-produced-in-transgenic-tobacco-triggers-th1-and-th2-response-when-intramuscularly-delivered
#3
Marcin Pyrski, Anna Rugowska, Kamil Robert Wierzbiński, Anna Kasprzyk, Maria Bogusiewicz, Piotr Bociąg, Sławomir Samardakiewicz, Marcin Czyż, Maciej Kurpisz, Tomasz Pniewski
Hepatitis B core Antigen (HBcAg) assembled into Capsid-Like Particles (CLPs) is investigated as a therapeutic vaccine in treatment of chronic hepatitis B (CHB) and in diagnostic tests or as a carrier for various epitopes. While the expression of HBcAg has been thoroughly clarified in E. coli and yeast, it has also been investigated in other expression systems. Stably transformed tobacco expressed HBcAg at a level of 110-250µg/g fresh weight, therefore in view of its large leaf biomass it offers a production platform comparable with transient expression systems regarding the final yield of HBcAg...
September 13, 2017: Vaccine
https://www.readbyqxmd.com/read/28915566/synergistic-antibiotic-effect-of-looped-antimicrobial-peptide-clp-19-with-bactericidal-and-bacteriostatic-agents
#4
Di Li, Ya Yang, Zhiqiang Tian, Jun Lv, Fengjun Sun, Qian Wang, Yao Liu, Peiyuan Xia
The treatment of drug-resistant infections is complicated and the alarming rise in infectious diseases poses a unique challenge for development of effective therapeutic strategies. Antibiotic-induced liberation of the bacterial endotoxin lipopolysaccharide (LPS) may have immediate adverse effects promoting septic shock in patients. In the present study, we first confirmed our previous finding that looped antimicrobial peptide CLP-19 exerts non-specific direct antibacterial activity with no toxic to mammalian cells and second revealed that CLP-19 has synergistic effect to enhance the antibacterial activities of other conventional bactericidal (ampicillin and ceftazidime) and bacteriostatic (erythromycin and levofloxacin) agents...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915539/astaxanthin-alleviated-acute-lung-injury-by-inhibiting-oxidative-nitrative-stress-and-the-inflammatory-response-in-mice
#5
Jianbin Bi, Ruixia Cui, Zeyu Li, Chang Liu, Jingyao Zhang
The purpose of the present study was to assess the effect of astaxanthin (ASX) treatment on the acute lung injury (ALI) induced by cecal ligation and puncture (CLP) in mice. Mice were randomly allocated into the following groups: (1) the saline control group, in which mice were given saline before sham operation; (2) the ASX control group, in which mice received ASX before sham operation; (3) the ALI group, in which mice were given saline before CLP operation; and (4) the ALI+ASX group, in which mice received ASX before CLP operation...
September 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28912862/astragalus-polysaccharides-combined-with-ibuprofen-exhibit-a-therapeutic-effect-on-septic-rats-via-an-anti-inflammatory-cholinergic-pathway
#6
Li Liu, Shibiao Chen, Xiaoyun Xu, Benchao Hou, Fei Mo
The aim of the present study was to investigate the effects of Astragalus polysaccharides (APS) in combination with ibuprofen (IBU) in the treatment of sepsis and the underlying mechanism. The combined drug treatment was evaluated in a rat model of cecal ligation and puncture (CLP). The serum concentrations of tumor necrosis factor (TNF)-α, interleukin (IL)-6 and acetylcholine (ACh) were determined. Nicotinic acetylcholine (nAChR) α7 receptor expression and histopathological changes in the lung tissue were also observed...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28910403/polymicrobial-sepsis-impairs-bystander-recruitment-of-effector-cells-to-infected-skin-despite-optimal-sensing-and-alarming-function-of-skin-resident-memory-cd8-t-cells
#7
Derek B Danahy, Scott M Anthony, Isaac J Jensen, Stacey M Hartwig, Qiang Shan, Hai-Hui Xue, John T Harty, Thomas S Griffith, Vladimir P Badovinac
Sepsis is a systemic infection that enhances host vulnerability to secondary infections normally controlled by T cells. Using CLP sepsis model, we observed that sepsis induces apoptosis of circulating memory CD8 T-cells (TCIRCM) and diminishes their effector functions, leading to impaired CD8 T-cell mediated protection to systemic pathogen re-infection. In the context of localized re-infections, tissue resident memory CD8 T-cells (TRM) provide robust protection in a variety of infectious models. TRM rapidly 'sense' infection in non-lymphoid tissues and 'alarm' the host by enhancing immune cell recruitment to the site of the infection to accelerate pathogen clearance...
September 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28898470/dichloro-cycloazatriphosphane-the-missing-link-between-n2p2-and-p4-ring-systems-in-the-systematic-development-of-np-chemistry
#8
Axel Schulz, Jonas Bresien, Alexander Hinz, Tim Suhrbier, Max Thomas, Alexander Villinger
An unprecedented dichloro-cycloazatriphosphane that incorporates a cyclic NP3 backbone could be synthesized using knowledge gained from the chemistry of N2P2 and P4 ring systems. It fills the gap between the homologous compounds [ClP(µ-NR)]2 and [ClP(µ-PR)]2 (R = sterically demanding substituent), and thus contributes to the systematic development of nitrogen-phosphorus chemistry in general. The title compound was studied with respect to its formation via a labile aminodiphosphene, which readily underwent different rearrangement reactions depending on the solvent...
September 12, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28895899/effects-of-heat-stress-on-construction-labor-productivity-in-hong-kong-a-case-study-of-rebar-workers
#9
Wen Yi, Albert P C Chan
Global warming is bringing more frequent and severe heat waves, and the result will be serious for vulnerable populations such as construction workers. Excessive heat stress has profound effects on physiological responses, which cause occupational injuries, fatalities and low productivity. Construction workers are particularly affected by heat stress, because of the body heat production caused by physically demanding tasks, and hot and humid working conditions. Field studies were conducted between August and September 2016 at two construction training grounds in Hong Kong...
September 12, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28895668/concepts-and-controversies-in-the-treatment-of-cutaneous-lichen-planus-a-review
#10
Charles Puza, Adela R Cardones
Cutaneous lichen planus (CLP) is a chronic autoimmune disease classically associated with severely pruritic, polygonal, violaceous, flat-topped papules and plaques. Subtypes such as hypertrophic and bullous lichen planus and lichen planus pigmentosus have been described. Treatment can be challenging, and prospective controlled studies are lacking. Corticosteroids remain the major options for topical and systemic treatment, although some non-steroidal options exist. Phototherapy, especially with narrow band ultraviolet B (NB-UVB), is effective, but caution must be taken because of the risk of keobnerization...
September 12, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28891896/examination-of-nasolacrimal-duct-morphometry-using-cone-beam-computed-tomography-in-patients-with-unilateral-cleft-lip-palate
#11
Oğuzhan Altun, Numan Dedeoğlu, Mehmet Avci
OBJECTIVE: The cleft lip/palate (CLP) deformity negatively affects the anatomy of the nasal cavity and maxilla. The effects of this deformity on the lacrimal system have been unidentified yet. This study aimed to evaluate the morphometric changes in the nasolacrimal duct using cone-beam computed tomography (CBCT) in patients with unilateral CLP. MATERIALS AND METHODS: Retrospective bilateral measurements of the narrowest transversal diameters and the lengths of the nasolacrimal ducts were made for the affected and unaffected sides of 28 patients with CLP and 28 control patients, using the CBCT images...
September 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28888888/sepsis-induced-by-cecal-ligation-and-perforation-clp-alters-nucleotidase-activities-in-platelets-of-rats
#12
Renata S Pereira, Claudia M Bertoncheli, Stephen A Adefegha, Lívia G Castilhos, Karine L Silveira, João Felipe P Rezer, Pedro H Doleski, Fátima H Abdalla, Karen F Santos, Claudio A M Leal, Roberto C V Santos, Emerson A Casali, Cesar E J Moritz, Daniel R Stainki, Daniela B R Leal
Sepsis is a potentially lethal condition, and it is associated with platelet alterations. The present study sought to investigate the activity of ecto-nucleoside triphosphate diphosphohydrolase (E-NTPDase), E-5'-nucleotidase, and ecto-adenosine deaminase (E-ADA) in the platelets of rats that were induced with sepsis. Male Wistar rats were divided into three groups of ten animals each: a negative control group (normal; NC); a group that underwent surgical procedures (sham); and a group that underwent cecal ligation and perforation (CLP)...
September 6, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28883493/regulation-of-akt-mtor-ubiquitin-proteasome-and-autophagy-lysosome-pathways-in-locomotor-and-respiratory-muscles-during-experimental-sepsis-in-mice
#13
Jérome Morel, Jean-Charles Palao, Josiane Castells, Marine Desgeorges, Thierry Busso, Serge Molliex, Vanessa Jahnke, Peggy Del Carmine, Julien Gondin, David Arnould, Anne Cécile Durieux, Damien Freyssenet
Sepsis induced loss of muscle mass and function contributes to promote physical inactivity and disability in patients. In this experimental study, mice were sacrificed 1, 4, or 7 days after cecal ligation and puncture (CLP) or sham surgery. When compared with diaphragm, locomotor muscles were more prone to sepsis-induced muscle mass loss. This could be attributed to a greater activation of ubiquitin-proteasome system and an increased myostatin expression. Thus, this study strongly suggests that the contractile activity pattern of diaphragm muscle confers resistance to atrophy compared to the locomotor gastrocnemius muscle...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28879460/vitamin-b6-reduces-neurochemical-and-long-term-cognitive-alterations-after-polymicrobial-sepsis-involvement-of-the-kynurenine-pathway-modulation
#14
Lucinéia Gainski Danielski, Amanda Della Giustina, Mariana Pereira Goldim, Drielly Florentino, Khiany Mathias, Leandro Garbossa, Rosiane de Bona Schraiber, Ana Olívia Martins Laurentino, Marina Goulart, Monique Michels, Karina Barbosa de Queiroz, Markus Kohlhof, Gislaine Tezza Rezin, Jucélia Jeremias Fortunato, Joao Quevedo, Tatiana Barichello, Felipe Dal-Pizzol, Roney S Coimbra, Fabricia Petronilho
Neurological dysfunction as a result of neuroinflammation has been reported in sepsis and cause high mortality. High levels of cytokines stimulate the formation of neurotoxic metabolites by kynurenine (KYN) pathway. Vitamin B6 (vit B6) has anti-inflammatory and antioxidant properties and also acts as a cofactor for enzymes of the KYN pathway. Thus, by using a relevant animal model of polymicrobial sepsis, we studied the effect of vit B6 on the KYN pathway, acute neurochemical and neuroinflammatory parameters, and cognitive dysfunction in rats...
September 6, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28879320/pharyngeal-flap-damage-caused-by-nasotracheal-intubation-in-a-patient-who-underwent-palatoplasty-and-pharyngoplasty
#15
Jong-Shik Oh, Hong-Seok Choi, Eun-Jung Kim, Cheul-Hong Kim, Ji-Uk Yoon, Ji-Young Yoon
Patients with cleft lip and palate (CLP) must undergo corrective surgeries during infancy and early childhood. Many patients with CLP undergo orthognathic surgery during their childhood for correction of skeletal asymmetries or pharyngoplasty with a pharyngeal flap to improve the quality of speech and velopharyngeal function. During orthognathic surgeries, nasotracheal intubation is performed under general anesthesia. In our case report, the patient had undergone palatoplasty and pharygoplasty previously. During the orthognathic surgery, a flexible fiberoptic bronchoscope-guided nasotracheal tube was inserted through the pharyngeal flap ostium; however, active bleeding occurred in the nasopharynx...
December 2016: J Dent Anesth Pain Med
https://www.readbyqxmd.com/read/28879184/hsp78-78-kda-heat-shock-protein-a-representative-aaa-family-member-found-in-the-mitochondrial-matrix-of-saccharomyces-cerevisiae
#16
REVIEW
Josielle Abrahão, David Z Mokry, Carlos H I Ramos
ATPases associated with diverse cellular activities (AAA+) form a superfamily of proteins involved in a variety of functions and are characterized by the presence of an ATPase module containing two conserved motifs known as Walker A and Walker B. ClpB and Hsp104, chaperones that have disaggregase activities, are members of a subset of this superfamily, known as the AAA family, and are characterized by the presence of a second highly conserved motif, known as the second region of homology (SRH). Hsp104 and its homolog Hsp78 (78 kDa heat shock protein) are representatives of the Clp family in yeast...
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28878779/wip1-deficiency-promotes-neutrophil-recruitment-to-the-infection-site-and-improves-sepsis-outcome
#17
Xiao-Fei Shen, Yang Zhao, Ke Cao, Wen-Xian Guan, Xue Li, Qian Zhang, Yong Zhao, Yi-Tao Ding, Jun-Feng Du
Sepsis is defined as an uncontrolled host response to infection, and no specific therapy or drugs have been used in clinical trials currently. Discovering new therapeutic targets for sepsis treatment has always been a central problem in the field of sepsis research. Neutrophils stand at the first line in controlling infection and have been identified to be dysregulated with impaired migration and antimicrobial function during sepsis. Based on our previous results on demonstrating wild-type p53-induced phosphatase 1 in controlling neutrophil development, we explored the possible relationship among Wip1, neutrophils, and sepsis in the present study...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28878116/inhibition-of-nadph-oxidase-2-nox2-prevents-sepsis-induced-cardiomyopathy-by-improving-calcium-handling-and-mitochondrial-function
#18
Leroy C Joseph, Dimitra Kokkinaki, Mesele-Christina Valenti, Grace J Kim, Emanuele Barca, Dhanendra Tomar, Nicholas E Hoffman, Prakash Subramanyam, Henry M Colecraft, Michio Hirano, Adam J Ratner, Muniswamy Madesh, Konstantinos Drosatos, John P Morrow
Cardiomyopathy frequently complicates sepsis and is associated with increased mortality. Increased cardiac oxidative stress and mitochondrial dysfunction have been observed during sepsis, but the mechanisms responsible for these abnormalities have not been determined. We hypothesized that NADPH oxidase 2 (NOX2) activation could be responsible for sepsis-induced oxidative stress and cardiomyopathy. Treatment of isolated adult mouse cardiomyocytes with low concentrations of the endotoxin lipopolysaccharide (LPS) increased total cellular reactive oxygen species (ROS) and mitochondrial superoxide...
September 7, 2017: JCI Insight
https://www.readbyqxmd.com/read/28872505/efficacy-of-facilitated-capacity-building-in-providing-cleft-lip-and-palate-care-in-low-and-middle-income-countries
#19
Hillary E Jenny, Benjamin B Massenburg, Saurabh Saluja, John G Meara, Mark G Shrime, Nivaldo Alonso
Providing surgical repair for congenital anomalies such as cleft lip and palate (CLP) can be challenging in low- and middle-income countries. One nonprofit organization seeks to address this need through a partnership model. This model provides long-term aid on multiple levels: surgeon and healthcare provider education, community outreach, and funding. The authors examined the effectiveness of this partnership model in providing CLP care and increasing cleft care capacity over time. This organization maintains data on each partner and procedure and collected data on hospital and patient characteristics through voluntary partner surveys from 2010 to 2014...
September 1, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28872080/-role-of-autophagy-in-ameliorating-sepsis-induced-acute-lung-injury-by-allicinin-in-mice
#20
Yue Peng, Yu Jiang, Hao Ou, Wei Xing, Mingshi Yang, Min Gao
To investigate roles of autophagy in ameliorating sepsis-induced acute lung injury by allicinin in mice.
 Methods: A total of 152 male Balb/c mice (8-week old) were randomly divided into a sham group, a septic model group, an allicin treatment group, and an autophagy inhibition group. Septic mouse model was established by cecal ligation and puncture (CLP). Mice in the allicin treatment group were given allicin (30 mg/kg, intra-peritoneal injection) at 6 and 12 h, while those in the autophagy inhibition group were given autophagy inhibitor 3-MA (15 mg/kg, intra-peritoneal injection) at half an hour after allicin administration...
August 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
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