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https://www.readbyqxmd.com/read/29771685/enterotoxigenic-escherichia-coli-blood-group-a-interactions-intensify-diarrheal-severity
#1
Pardeep Kumar, F Matthew Kuhlmann, Subhra Chakroborty, A Louis Bourgeois, Jennifer Foulke-Abel, Brunda Tumala, Tim J Vickers, David A Sack, Barbara DeNearing, Clayton D Harro, W Shea Wright, Jeffrey C Gildersleeve, Matthew A Ciorba, Srikanth Santhanam, Chad K Porter, Ramiro L Gutierrez, Michael G Prouty, Mark S Riddle, Alexander Polino, Alaullah Sheikh, Mark Donowitz, James M Fleckenstein
Enterotoxigenic Escherichia coli (ETEC) infections are highly prevalent in developing countries where clinical presentations range from asymptomatic colonization to severe cholera-like illness. The molecular basis for these varied presentations, that may involve strain-specific virulence features as well as host factors, have not been elucidated. We demonstrate that when challenged with ETEC strain H10407, originally isolated from a case of cholera-like illness, blood group A human volunteers developed severe diarrhea more frequently than individuals from other blood groups...
May 17, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29758578/-cf-lung-disease-a-german-s3-guideline-module-2-diagnostics-and-treatment-in-chronic-infection-with-pseudomonas-aeruginosa
#2
C Schwarz, B Schulte-Hubbert, J Bend, M Abele-Horn, I Baumann, W Bremer, F Brunsmann, D Dieninghoff, O Eickmeier, H Ellemunter, R Fischer, J Grosse-Onnebrink, J Hammermann, H Hebestreit, M Hogardt, C Hügel, M Hug, S Illing, A Jung, B Kahl, A Koitschev, R Mahlberg, J G Mainz, F Mattner, A Mehl, A Möller, C Muche-Borowski, T Nüßlein, M Puderbach, S Renner, E Rietschel, F C Ringshausen, S Schmidt, L Sedlacek, H Sitter, C Smaczny, B Tümmler, R Vonberg, M O Wielpütz, H Wilkens, B Wollschläger, J Zerlik, U Düesberg, S van Koningsbruggen-Rietschel
Cystic Fibrosis (CF) is the most common autosomal-recessive genetic disease affecting approximately 8000 people in Germany. The disease is caused by mutations in the Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) gene leading to dysfunction of CFTR, a transmembrane chloride channel. This defect causes insufficient hydration of the epithelial lining fluid which leads to chronic inflammation of the airways. Recurrent infections of the airways as well as pulmonary exacerbations aggravate chronic inflammation, lead to pulmonary fibrosis and tissue destruction up to global respiratory insufficiency, which is responsible for the mortality in over 90 % of patients...
May 2018: Pneumologie
https://www.readbyqxmd.com/read/29661886/distinct-in-vivo-roles-of-secreted-app-ectodomain-variants-apps%C3%AE-and-apps%C3%AE-in-regulation-of-spine-density-synaptic-plasticity-and-cognition
#3
Max C Richter, Susann Ludewig, Alex Winschel, Tobias Abel, Charlotte Bold, Leonie R Salzburger, Susanne Klein, Kang Han, Sascha W Weyer, Ann-Kristina Fritz, Bodo Laube, David P Wolfer, Christian J Buchholz, Martin Korte, Ulrike C Müller
Increasing evidence suggests that synaptic functions of the amyloid precursor protein (APP), which is key to Alzheimer pathogenesis, may be carried out by its secreted ectodomain (APPs). The specific roles of APPsα and APPsβ fragments, generated by non-amyloidogenic or amyloidogenic APP processing, respectively, remain however unclear. Here, we expressed APPsα or APPsβ in the adult brain of conditional double knockout mice (cDKO) lacking APP and the related APLP2. APPsα efficiently rescued deficits in spine density, synaptic plasticity (LTP and PPF), and spatial reference memory of cDKO mice...
April 16, 2018: EMBO Journal
https://www.readbyqxmd.com/read/29582884/involvement-of-advanced-practice-nurse-in-the-management-of-geriatric-conditions-examples-from-different-countries
#4
B Fougère, C Lagourdette, P Abele, B Resnick, M Rantz, C Kam Yuk Lai, Q Chen, W Moyle, B Vellas, J E Morley
The increasing demand for healthcare services is placing great strain on healthcare systems throughout the world. Although the older population is increasing worldwide, there is a marked deficit in the number of persons trained in geriatrics. It is now recognized that early detection and treatment of geriatric conditions (e.g., frailty, sarcopenia, falls, anorexia of aging, and cognitive decline) will delay or avert the development of disability. At the same time, recent years have seen an increased interest and use of advanced practice nurses (APN)...
2018: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/29577247/accelerated-barrier-recovery-and-enhancement-of-the-barrier-integrity-and-properties-by-topical-application-of-a-ph-4-compared-to-a-ph-5-8-w-o-emulsion-in-aged-skin
#5
I Angelova-Fischer, T W Fischer, C Abels, D Zillikens
BACKGROUND: Increased skin surface pH is an important host-related factor for deteriorated barrier function in the aged. OBJECTIVES: We investigated whether restoration of the skin pH through topical application of a water-in-oil (w/o) emulsion with pH 4 improved the barrier homeostasis in aged skin and compared the effects to an identical galenic formulation with pH 5.8. METHODS: The effects of the test formulations on the barrier recovery were investigated by repeated measurements of transepidermal water loss (TEWL) and skin pH 3 h, 6 h and 24 h after acetone-induced impairment of the barrier function in aged skin...
March 25, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29510220/modulation-of-key-lipid-raft-constituents-in-primary-rat-hepatocytes-by-fumonisin-b-1-implications-for-cancer-promotion-in-the-liver
#6
H-M Burger, S Abel, W C A Gelderblom
Fumonisin B1 (FB1 ), a group 2B natural occurring carcinogenic mycotoxin, modulated lipid and fatty acid (FA) constituents of lipid rafts isolated from primary hepatocytes following exposure to a cytotoxic concentration of FB1 (250 μM). The major effects observed in rafts, included a significant (p < 0.05) increase in raft cholesterol (CHOL) and glycerophospholipid such as phosphatidylethanolamine (PE), whereas sphingomyelin (SM) decreased (p < 0.05). Changes in lipid constituents resulted in the disruption of important membrane fluidity parameters represented as a decreased (p < 0...
May 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29487566/islet-cell-associated-autoantibodies-and-c-peptide-levels-in-patients-with-diabetes-and-symptoms-of-gastroparesis
#7
Elias S Siraj, Carol Homko, Laura A Wilson, Patrick May, Ajay D Rao, Jorge Calles, Gianrico Farrugia, William L Hasler, Kenneth L Koch, Linda Nguyen, William J Snape, Thomas L Abell, Irene Sarosiek, Richard W McCallum, Pankaj J Pasricha, John Clarke, James Tonascia, Frank Hamilton, Henry P Parkman
Introduction: Individuals with diabetes are at increased risk for complications, including gastroparesis. Type 1 diabetes mellitus (T1DM) is an autoimmune disorder resulting in decreased beta-cell function. Glutamic acid decarboxylase-65 antibody (GADA) is the most commonly used test to assess autoimmunity while C-peptide level is used to assess beta-cell function. Patients with type 2 diabetes mellitus (T2DM), who are GADA positive, are labeled latent autoimmune diabetes in adults (LADA)...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29459781/ripk1-mediated-induction-of-mitophagy-compromises-the-viability-of-extracellular-matrix-detached-cells
#8
Mark A Hawk, Cassandra L Gorsuch, Patrick Fagan, Chan Lee, Sung Eun Kim, Jens C Hamann, Joshua A Mason, Kelsey J Weigel, Matyas Abel Tsegaye, Luqun Shen, Sydney Shuff, Junjun Zuo, Stephan Hu, Lei Jiang, Sarah Chapman, W Matthew Leevy, Ralph J DeBerardinis, Michael Overholtzer, Zachary T Schafer
For cancer cells to survive during extracellular matrix (ECM) detachment, they must inhibit anoikis and rectify metabolic deficiencies that cause non-apoptotic cell death. Previous studies in ECM-detached cells have linked non-apoptotic cell death to reactive oxygen species (ROS) generation, although the mechanistic underpinnings of this link remain poorly defined. Here, we uncover a role for receptor-interacting protein kinase 1 (RIPK1) in the modulation of ROS and cell viability during ECM detachment. We find that RIPK1 activation during ECM detachment results in mitophagy induction through a mechanism dependent on the mitochondrial phosphatase PGAM5...
March 2018: Nature Cell Biology
https://www.readbyqxmd.com/read/29405195/author-correction-neurons-and-neuronal-activity-control-gene-expression-in-astrocytes-to-regulate-their-development-and-metabolism
#9
Philip Hasel, Owen Dando, Zoeb Jiwaji, Paul Baxter, Alison C Todd, Samuel Heron, Nóra M Márkus, Jamie McQueen, David W Hampton, Megan Torvell, Sachin S Tiwari, Sean McKay, Abel Eraso-Pichot, Antonio Zorzano, Roser Masgrau, Elena Galea, Siddharthan Chandran, David J A Wyllie, T Ian Simpson, Giles E Hardingham
This corrects the article DOI: 10.1038/ncomms15132.
February 6, 2018: Nature Communications
https://www.readbyqxmd.com/read/29343741/species-distribution-modelling-contrasting-presence-only-models-with-plot-abundance-data
#10
Vitor H F Gomes, Stéphanie D IJff, Niels Raes, Iêda Leão Amaral, Rafael P Salomão, Luiz de Souza Coelho, Francisca Dionízia de Almeida Matos, Carolina V Castilho, Diogenes de Andrade Lima Filho, Dairon Cárdenas López, Juan Ernesto Guevara, William E Magnusson, Oliver L Phillips, Florian Wittmann, Marcelo de Jesus Veiga Carim, Maria Pires Martins, Mariana Victória Irume, Daniel Sabatier, Jean-François Molino, Olaf S Bánki, José Renan da Silva Guimarães, Nigel C A Pitman, Maria Teresa Fernandez Piedade, Abel Monteagudo Mendoza, Bruno Garcia Luize, Eduardo Martins Venticinque, Evlyn Márcia Moraes de Leão Novo, Percy Núñez Vargas, Thiago Sanna Freire Silva, Angelo Gilberto Manzatto, John Terborgh, Neidiane Farias Costa Reis, Juan Carlos Montero, Katia Regina Casula, Beatriz S Marimon, Ben-Hur Marimon, Euridice N Honorio Coronado, Ted R Feldpausch, Alvaro Duque, Charles Eugene Zartman, Nicolás Castaño Arboleda, Timothy J Killeen, Bonifacio Mostacedo, Rodolfo Vasquez, Jochen Schöngart, Rafael L Assis, Marcelo Brilhante Medeiros, Marcelo Fragomeni Simon, Ana Andrade, William F Laurance, José Luís Camargo, Layon O Demarchi, Susan G W Laurance, Emanuelle de Sousa Farias, Henrique Eduardo Mendonça Nascimento, Juan David Cardenas Revilla, Adriano Quaresma, Flavia R C Costa, Ima Célia Guimarães Vieira, Bruno Barçante Ladvocat Cintra, Hernán Castellanos, Roel Brienen, Pablo R Stevenson, Yuri Feitosa, Joost F Duivenvoorden, Gerardo A Aymard C, Hugo F Mogollón, Natalia Targhetta, James A Comiskey, Alberto Vicentini, Aline Lopes, Gabriel Damasco, Nállarett Dávila, Roosevelt García-Villacorta, Carolina Levis, Juliana Schietti, Priscila Souza, Thaise Emilio, Alfonso Alonso, David Neill, Francisco Dallmeier, Leandro Valle Ferreira, Alejandro Araujo-Murakami, Daniel Praia, Dário Dantas do Amaral, Fernanda Antunes Carvalho, Fernanda Coelho de Souza, Kenneth Feeley, Luzmila Arroyo, Marcelo Petratti Pansonato, Rogerio Gribel, Boris Villa, Juan Carlos Licona, Paul V A Fine, Carlos Cerón, Chris Baraloto, Eliana M Jimenez, Juliana Stropp, Julien Engel, Marcos Silveira, Maria Cristina Peñuela Mora, Pascal Petronelli, Paul Maas, Raquel Thomas-Caesar, Terry W Henkel, Doug Daly, Marcos Ríos Paredes, Tim R Baker, Alfredo Fuentes, Carlos A Peres, Jerome Chave, Jose Luis Marcelo Pena, Kyle G Dexter, Miles R Silman, Peter Møller Jørgensen, Toby Pennington, Anthony Di Fiore, Fernando Cornejo Valverde, Juan Fernando Phillips, Gonzalo Rivas-Torres, Patricio von Hildebrand, Tinde R van Andel, Ademir R Ruschel, Adriana Prieto, Agustín Rudas, Bruce Hoffman, César I A Vela, Edelcilio Marques Barbosa, Egleé L Zent, George Pepe Gallardo Gonzales, Hilda Paulette Dávila Doza, Ires Paula de Andrade Miranda, Jean-Louis Guillaumet, Linder Felipe Mozombite Pinto, Luiz Carlos de Matos Bonates, Natalino Silva, Ricardo Zárate Gómez, Stanford Zent, Therany Gonzales, Vincent A Vos, Yadvinder Malhi, Alexandre A Oliveira, Angela Cano, Bianca Weiss Albuquerque, Corine Vriesendorp, Diego Felipe Correa, Emilio Vilanova Torre, Geertje van der Heijden, Hirma Ramirez-Angulo, José Ferreira Ramos, Kenneth R Young, Maira Rocha, Marcelo Trindade Nascimento, Maria Natalia Umaña Medina, Milton Tirado, Ophelia Wang, Rodrigo Sierra, Armando Torres-Lezama, Casimiro Mendoza, Cid Ferreira, Cláudia Baider, Daniel Villarroel, Henrik Balslev, Italo Mesones, Ligia Estela Urrego Giraldo, Luisa Fernanda Casas, Manuel Augusto Ahuite Reategui, Reynaldo Linares-Palomino, Roderick Zagt, Sasha Cárdenas, William Farfan-Rios, Adeilza Felipe Sampaio, Daniela Pauletto, Elvis H Valderrama Sandoval, Freddy Ramirez Arevalo, Isau Huamantupa-Chuquimaco, Karina Garcia-Cabrera, Lionel Hernandez, Luis Valenzuela Gamarra, Miguel N Alexiades, Susamar Pansini, Walter Palacios Cuenca, William Milliken, Joana Ricardo, Gabriela Lopez-Gonzalez, Edwin Pos, Hans Ter Steege
Species distribution models (SDMs) are widely used in ecology and conservation. Presence-only SDMs such as MaxEnt frequently use natural history collections (NHCs) as occurrence data, given their huge numbers and accessibility. NHCs are often spatially biased which may generate inaccuracies in SDMs. Here, we test how the distribution of NHCs and MaxEnt predictions relates to a spatial abundance model, based on a large plot dataset for Amazonian tree species, using inverse distance weighting (IDW). We also propose a new pipeline to deal with inconsistencies in NHCs and to limit the area of occupancy of the species...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29307548/rigor-and-reproducibility-in-rodent-behavioral-research
#11
Maria Gulinello, Heather A Mitchell, Qiang Chang, W Timothy O'Brien, Zhaolan Zhou, Ted Abel, Li Wang, Joshua G Corbin, Surabi Veeraragavan, Rodney C Samaco, Nick A Andrews, Michela Fagiolini, Toby B Cole, Thomas M Burbacher, Jacqueline N Crawley
Behavioral neuroscience research incorporates the identical high level of meticulous methodologies and exacting attention to detail as all other scientific disciplines. To achieve maximal rigor and reproducibility of findings, well-trained investigators employ a variety of established best practices. Here we explicate some of the requirements for rigorous experimental design and accurate data analysis in conducting mouse and rat behavioral tests. Novel object recognition is used as an example of a cognitive assay which has been conducted successfully with a range of methods, all based on common principles of appropriate procedures, controls, and statistics...
January 4, 2018: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/29205929/dendritic-cell-targeted-hiv-1-gag-protein-vaccine-provides-help-to-a-recombinant-newcastle-disease-virus-vectored-vaccine-including-mobilization-of-protective-cd8-t-cells
#12
Loveline N Ngu, Nadesh N Nji, Georgia Ambada, Apeh A Ngoh, Ghislain D Njambe Priso, Jules C Tchadji, Abel Lissom, Suzanne H Magagoum, Carol N Sake, Thibau F Tchouangueu, George O Chukwuma, Arinze S Okoli, Bertrand Sagnia, Rebecca Chukwuanukwu, Denis M Tebit, Charles O Esimone, Alain B Waffo, Chae G Park, Klaus Überla, Godwin W Nchinda
INTRODUCTION: Recombinant Newcastle Disease virus (rNDV) vectored vaccines are safe mucosal applicable vaccines with intrinsic immune-modulatory properties for the induction of efficient immunity. Like all viral vectored vaccines repeated inoculation via mucosal routes invariably results to immunity against viral vaccine vectors. To obviate immunity against viral vaccine vectors and improve the ability of rNDV vectored vaccines in inducing T cell immunity in murine air way we have directed dendritic cell targeted HIV-1 gag protein (DEC-Gag) vaccine; for the induction of helper CD4+ T cells to a Recombinant Newcastle disease virus expressing codon optimized HIV-1 Gag P55 (rNDV-L-Gag) vaccine...
March 2018: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/29182609/variation-in-fast-track-referrals-for-suspected-cancer-by-patient-characteristic-and-cancer-diagnosis-evidence-from-670-000-patients-with-cancers-of-35-different-sites
#13
Y Zhou, S C Mendonca, G A Abel, W Hamilton, F M Walter, S Johnson, J Shelton, L Elliss-Brookes, S McPhail, G Lyratzopoulos
BACKGROUND: In England, 'fast-track' (also known as 'two-week wait') general practitioner referrals for suspected cancer in symptomatic patients are used to shorten diagnostic intervals and are supported by clinical guidelines. However, the use of the fast-track pathway may vary for different patient groups. METHODS: We examined data from 669 220 patients with 35 cancers diagnosed in 2006-2010 following either fast-track or 'routine' primary-to-secondary care referrals using 'Routes to Diagnosis' data...
January 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29168322/biosynthetically-guided-structure-activity-relationship-studies-of-merochlorin-a-an-antibiotic-marine-natural-product
#14
Borja López-Pérez, Henry P Pepper, Rong Ma, Benjamin J Fawcett, Ashok D Pehere, Qi Wei, Zengchun Ji, Steven W Polyak, Huanqin Dai, Fuhang Song, Andrew D Abell, Lixin Zhang, Jonathan H George
The onset of new multidrug-resistant strains of bacteria demands continuous development of antibacterial agents with new chemical scaffolds and mechanisms of action. We present the first structure-activity relationship (SAR) study of 16 derivatives of a structurally novel antibiotic merochlorin A that were designed using a biosynthetic blueprint. Our lead compounds are active against several Gram-positive bacteria such as Staphylococcus aureus (SA), methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant Enterococcus faecium (VRE) and Bacillus subtilis, inhibit intracellular growth of Mycobacterium bovis, and are relatively nontoxic to human cell lines...
December 7, 2017: ChemMedChem
https://www.readbyqxmd.com/read/29131575/halogenation-of-biotin-protein-ligase-inhibitors-improves-whole-cell-activity-against-staphylococcus-aureus
#15
Ashleigh S Paparella, Kwang Jun Lee, Andrew J Hayes, Jiage Feng, Zikai Feng, Danielle Cini, Sonali Deshmukh, Grant W Booker, Matthew C J Wilce, Steven W Polyak, Andrew D Abell
We report the synthesis and evaluation of 5-halogenated-1,2,3-triazoles as inhibitors of biotin protein ligase from Staphylococcus aureus. The halogenated compounds exhibit significantly improved antibacterial activity over their nonhalogenated counterparts. Importantly, the 5-fluoro-1,2,3-triazole compound 4c displays antibacterial activity against S. aureus ATCC49775 with a minimum inhibitory concentration (MIC) of 8 μg/mL.
February 9, 2018: ACS Infectious Diseases
https://www.readbyqxmd.com/read/29107474/breakfast-quality-varies-by-location-among-low-income-ethnically-diverse-children-in-public-urban-schools
#16
Heather M Polonsky, Adam Davey, Katherine W Bauer, Gary D Foster, Sandy Sherman, Michelle L Abel, Lauren C Dale, Jennifer O Fisher
OBJECTIVE: To evaluate breakfast location and children's food choices. METHODS: Cross-sectional analysis of 1,371 fourth- through sixth-grade students in 2013. Foods and beverages in 17 categories characterized breakfast choices: (1) ≥ 1 fruits or vegetables, (2) ≥ 1 foods high in saturated fats and added sugars (SFAS), and (3) meeting School Breakfast Program (SBP) requirements. RESULTS: Among breakfast eaters (n = 1,133; 82...
February 2018: Journal of Nutrition Education and Behavior
https://www.readbyqxmd.com/read/29068864/monitoring-training-load-in-handcycling-a-case-study
#17
Sebastian Zeller, Thomas Abel, Heiko K Strueder
Zeller, S, Abel, T, and Strueder, HK. Monitoring training load in handcycling: a case study. J Strength Cond Res 31(11): 3094-3100, 2017-The aim of this study was to analyze the training intensity distribution (TID) and the total training load (TTL) for the first time in handcycling of a multiple female Paralympic medalist (lesion level: L2-3 incomplete, ASIA C, classification: WH5). This study focuses on the preparation and the competitive period of the 2015 season. The athlete completed 194 handcycling training sessions in a time of 433:53 hours, covering a total distance of 10...
November 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29038598/male-specific-deficits-in-natural-reward-learning-in-a-mouse-model-of-neurodevelopmental-disorders
#18
N M Grissom, S E McKee, H Schoch, N Bowman, R Havekes, W T O'Brien, E Mahrt, S Siegel, K Commons, C Portfors, T Nickl-Jockschat, T M Reyes, T Abel
Neurodevelopmental disorders, including autism spectrum disorders, are highly male biased, but the underpinnings of this are unknown. Striatal dysfunction has been strongly implicated in the pathophysiology of neurodevelopmental disorders, raising the question of whether there are sex differences in how the striatum is impacted by genetic risk factors linked to neurodevelopmental disorders. Here we report male-specific deficits in striatal function important to reward learning in a mouse model of 16p11.2 hemideletion, a genetic mutation that is strongly associated with the risk of neurodevelopmental disorders, particularly autism and attention-deficit hyperactivity disorder...
March 2018: Molecular Psychiatry
https://www.readbyqxmd.com/read/28802241/the-9-d-cidr-pg-protocol-ii-characterization-of-endocrine-parameters-ovarian-dynamics-and-pregnancy-rates-to-fixed-time-ai-following-use-of-long-term-cidr-based-estrus-synchronization-among-mature-beef-cows
#19
J M Thomas, J W C Locke, B E Bishop, J M Abel, M R Ellersieck, S E Poock, M F Smith, D J Patterson
An experiment was designed to evaluate endocrine parameters, ovarian dynamics, and pregnancy rates to fixed-time artificial insemination (FTAI) following the 9-d CIDR-PG protocol in comparison to the 14-d CIDR-PG protocol. While both are long-term protocols using CIDR treatment for presynchronization, the 9-d CIDR-PG protocol differs from the 14-d CIDR-PG protocol in that prostaglandin F2α (PG) is administered at CIDR insertion and removal to facilitate a decreased length of progestin treatment and potentially enhance response to the presynchronization treatment...
November 2017: Theriogenology
https://www.readbyqxmd.com/read/28679317/oleiferoside-w-from-the-roots-of-camellia-oleifera-c-abel-inducing-cell-cycle-arrest-and-apoptosis-in-a549-cells
#20
Jiang-Ping Wu, Nai-Xin Kang, Mi-Ya Zhang, Hong-Wei Gao, Xiao-Ran Li, Yan-Li Liu, Qiong-Ming Xu, Shi-Lin Yang
Camellia oleifera C. Abel has been widely cultivated in China, and a group of bioactive constituents such as triterpeniod saponin have been isolated from C. oleifera C. Abel. In the current study, a new triterpeniod saponin was isolated from the EtOH extract of the roots of C. oleifera C. Abel, named as oleiferoside W, and the cytotoxic properties of oleiferoside W were evaluated in non-small cell lung cancer A549 cells. At the same time the inducing apoptosis, the depolarization of mitochondrial membrane potential (Δψ), the up-regulation of related pro-apoptotic proteins, such as cleaved-PARP, cleaved-caspase-3, and the down-regulation of anti-apoptotic marker Bcl-2/Bax were measured on oleiferoside W...
July 6, 2017: Journal of Asian Natural Products Research
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