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secretome analysis

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https://www.readbyqxmd.com/read/28627741/proteomics-approach-to-identify-novel-metastatic-bone-markers-from-the-secretome-of-pc-3-prostate-cancer-cells
#1
EunJi Sung, Oh Kwang Kwon, Jae-Mok Lee, Sangkyu Lee
Prostate cancer is the leading type of cancer diagnosed, and the most frequent cause of worldwide male cancer-related deaths annually. The limitations of current prostate cancer screening tests demand the identification of novel biomarkers for the early diagnosis of prostate cancer bone metastasis. In the present study, we performed a proteomic analysis of secreted proteins from the prostate cancer bone metastasis cell line, PC-3, and the normal prostate cell line, RWPE-1. We thus quantified 917 proteins, of which 68 were found to be secreted at higher levels by PC-3 than by RWPE-1 cells via LC-MS/MS...
June 19, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28621210/effects-of-lucilia-sericata-on-wound-healing-in-streptozotocin-induced-diabetic-rats-and-analysis-of-its-secretome-at-the-proteome-level
#2
F K Tombulturk, M Kasap, M Tuncdemir, E Polat, S Sirekbasan, A Kanli, G Kanigur-Sultuybek
The use of Lucilia sericata larvae on the healing of wounds in diabetics has been reported. However, the role of the excretion/secretion (ES) products of the larvae in treatment of diabetic wounds remains unknown. This study investigated whether application of the ES products of L. sericata on the wound surface could improve the impaired wound healing in streptozotocin-induced diabetic rats. Additional analysis was performed to understand proteome content of L. sericata secretome to understand ES contribution at the molecular level...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28619171/proteomic-and-bioinformatic-analyses-of-putative-mannheimia-haemolytica-secretome-by-liquid-chromatography-and-tandem-mass-spectrometry
#3
Sahlu Ayalew, Anthony W Confer, Steve D Hartson, Patricia J Canaan, Mark Payton, Brian Couger
Mannheimia haemolytica is a major bacterial contributor to bovine respiratory disease complex that costs the livestock industry a billion dollars a year in USA. Commercial vaccines are only partially efficacious under field conditions. Earlier studies found that outer membrane protein preparations and culture supernatants can induce immune responses that enhance resistance to challenge by M. haemolytica strains. The objective of this study was to characterize secretome of two M. haemolytica stains grown under two different media...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28610997/identification-of-multienzymatic-complexes-in-the-clonostachys-byssicola-secretomes-produced-in-response-to-different-lignocellulosic-carbon-sources
#4
Helder Andrey Rocha Gomes, Adelson Joel da Silva, Diana Paola Gómez-Mendoza, Agenor Castro Moreira Dos Santos Júnior, Nicholas de Mojana di Cologna, Rosane Mansan Almeida, Robert Neil Gerard Miller, Wagner Fontes, Marcelo Valle de Sousa, Carlos André Ornelas Ricart, Edivaldo Ximenes Ferreira Filho
Multienzymatic complexes with plant lignocellulose-degrading activities have recently been identified in filamentous fungi secretomes. Such complexes have potential biotechnological applications in the degradation of agro-industrial residues. Fungal species from the Clonostachys genus have been intensively investigated as biocontrol agents; however so far their use as producers of lignocellulose-degrading enzymes has not been extensively explored. Secretomes of Clonostachys byssicola following growth on different carbon sources (passion fruit peel, soybean hulls, cotton gin trash, banana stalk, sugarcane bagasse, orange peel, and a composition of soybean hulls: cotton gin trash:orange peel) were subjected to enzymatic assays...
June 10, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28602759/construction-and-screening-of-a-lentiviral-secretome-library
#5
Tao Liu, Panpan Jia, Huailei Ma, Sean A Reed, Xiaozhou Luo, H Benjamin Larman, Peter G Schultz
Over 2,000 human proteins are predicted to be secreted, but the biological function of the many of these proteins is still unknown. Moreover, a number of these proteins may act as new therapeutic agents or be targets for the development of therapeutic antibodies. To further explore the extracellular proteome, we have developed a secretome-enriched open reading frame (ORF) library that can be readily screened for autocrine activity in cell-based phenotypic or reporter assays. Next-generation sequencing (NGS) and database analysis predict that the library contains approximately 900 ORFs encoding known secreted proteins (accounting for 77...
May 31, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28586545/multifaceted-therapeutic-benefits-of-factors-derived-from-stem-cells-from-human-exfoliated-deciduous-teeth-for-acute-liver-failure-in-rats
#6
Yoshihiro Matsushita, Masatoshi Ishigami, Kohki Matsubara, Megumi Kondo, Hirotaka Wakayama, Hidemi Goto, Minoru Ueda, Akihito Yamamoto
In acute liver failure (ALF), a poorly controlled innate immune response causes massive hepatic destruction, which elicits a systemic inflammatory response, progressive multiple organ failure and ultimate sudden death. Although the liver has inherent tissue-repairing activities, its regeneration during ALF fails, and orthotopic liver transplantation is the only curative approach. Here we show that a single intravenous administration of stem cells derived from human exfoliated deciduous teeth (SHEDs) or of SHED-derived serum-free conditioned medium (SHED-CM) into the d-galactosamine-induced rat model of ALF markedly improved the condition of the injured liver and the animals' survival rate...
June 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28582578/proteomics-of-the-epicardial-fat-secretome-and-its-role-in-post-operative-atrial-fibrillation
#7
Alessandro Viviano, Xiaoke Yin, Anna Zampetaki, Marika Fava, Mark Gallagher, Manuel Mayr, Marjan Jahangiri
Aims: Post-operative atrial fibrillation (POAF) is a predictor of morbidity and mortality after cardiac surgery. Latent predisposing factors may reside in the epicardial adipose tissue (EAT) due to its anatomical position and high protein production rate. In order to explore a possible mechanistic link, we characterized proteins secreted by the EAT preceding the onset of POAF. Methods and results: Epicardial adipose tissue samples were collected from 76 consecutive patients with no history of AF undergoing coronary artery bypass surgery, 50 samples for proteomic analysis and 26 for gene expression studies, further divided according to development of POAF...
June 5, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28547891/large-scale-gene-expression-reveals-different-adaptations-of-hyalopterus-persikonus-to-winter-and-summer-host-plants
#8
Na Cui, Peng-Cheng Yang, Kun Guo, Le Kang, Feng Cui
Host alternation, an obligatory seasonal shifting between host plants of distant genetic relationship, has had significant consequences for the diversification and success of the superfamily of aphids. However, the underlying molecular mechanism remains unclear. In this study, the molecular mechanism of host alternation was explored through a large-scale gene expression analysis of the mealy aphid Hyalopterus persikonus on winter and summer host plants. More than four times as many unigenes of the mealy aphid were significantly upregulated on summer host Phragmites australis than on winter host Rosaceae plants...
June 2017: Insect Science
https://www.readbyqxmd.com/read/28546091/comparative-secretome-analysis-of-colletotrichum-falcatum-identifies-a-cerato-platanin-protein-epl1-as-a-potential-pathogen-associated-molecular-pattern-pamp-inducing-systemic-resistance-in-sugarcane
#9
N M R Ashwin, Leonard Barnabas, Amalraj Ramesh Sundar, Palaniyandi Malathi, Rasappa Viswanathan, Antonio Masi, Ganesh Kumar Agrawal, Randeep Rakwal
Colletotrichum falcatum, an intriguing hemibiotrophic fungal pathogen causes red rot, a devastating disease of sugarcane. Repeated in vitro subculturing of C. falcatum under dark condition alters morphology and reduces virulence of the culture. Hitherto, no information is available on this phenomenon at molecular level. In this study, the in vitro secretome of C. falcatum cultured under light and dark conditions was analyzed using 2-DE coupled with MALDI TOF/TOF MS. Comparative analysis identified nine differentially abundant proteins...
May 22, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28542481/effect-of-hyperbaric-oxygen-on-bdnf-release-and-neuroprotection-investigations-with-human-mesenchymal-stem-cells-and-genetically-modified-nih3t3-fibroblasts-as-putative-cell-therapeutics
#10
Jennifer Schulze, Odett Kaiser, Gerrit Paasche, Hans Lamm, Andreas Pich, Andrea Hoffmann, Thomas Lenarz, Athanasia Warnecke
Hyperbaric oxygen therapy (HBOT) is a noninvasive widely applied treatment that increases the oxygen pressure in tissues. In cochlear implant (CI) research, intracochlear application of neurotrophic factors (NTFs) is able to improve survival of spiral ganglion neurons (SGN) after deafness. Cell-based delivery of NTFs such as brain-derived neurotrophic factor (BDNF) may be realized by cell-coating of the surface of the CI electrode. Human mesenchymal stem cells (MSC) secrete a variety of different neurotrophic factors and may be used for the development of a biohybrid electrode in order to release endogenously-derived neuroprotective factors for the protection of residual SGN and for a guided outgrowth of dendrites in the direction of the CI electrode...
2017: PloS One
https://www.readbyqxmd.com/read/28525384/secretome-analysis-of-breast-cancer-associated-adipose-tissue-to-identify-paracrine-regulators-of-breast-cancer-growth
#11
Lore Lapeire, An Hendrix, Evelyne Lecoutere, Mieke Van Bockstal, Jo Vandesompele, Dawn Maynard, Geert Braems, Rudy Van Den Broecke, Cathérine Müller, Marc Bracke, Véronique Cocquyt, Hannelore Denys, Olivier De Wever
Adipose tissue secretes a plethora of adipokines as evidenced by characterization of subcutaneous and visceral adipose tissue secretomes. However, adipose tissue composition and secretion pattern is depot and disease dependent, influencing the adipose tissue secretome. We investigated the secretome of cancer-associated adipose tissue (CAAT) explants from breast cancer patients and explored its role in breast cancer proliferation. CAAT proteins were identified by LC-MS/MS and human protein antibody arrays and stimulated proliferation of three breast cancer cell lines...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28524762/exosomes-promote-restoration-after-an-experimental-animal-model-of-intracerebral-hemorrhage
#12
Laura Otero-Ortega, Mari Carmen Gómez de Frutos, Fernando Laso-García, Berta Rodríguez-Frutos, Esperanza Medina-Gutiérrez, Juan Antonio López, Jesús Vázquez, Exuperio Díez-Tejedor, María Gutiérrez-Fernández
Exosomes are gaining importance because they show great promise in therapeutic applications for several diseases. Particularly in stroke, exosomes derived from mesenchymal stem cell (MSC) therapy work as paracrine effectors responsible for promoting neurovascular remodeling and functional recovery. Adult male rats were subjected to intracerebral hemorrhage (ICH) by intrastriatal injection of collagenase type IV; 24 h after surgery, MSC-derived exosomes were administered through the tail vein. The rats were euthanized at 7 or 28 days after treatment...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28511724/production-of-a-recombinant-swollenin-from-trichoderma-harzianum-in-escherichia-coli-and-its-potential-synergistic-role-in-biomass-degradation
#13
Clelton A Santos, Jaire A Ferreira-Filho, Anthonia O'Donovan, Vijai K Gupta, Maria G Tuohy, Anete P Souza
BACKGROUND: Fungal swollenins (SWOs) constitute a class of accessory proteins that are homologous to canonical plant expansins. Expansins and expansin-related proteins are well known for acting in the deagglomeration of cellulose structure by loosening macrofibrils. Consequently, SWOs can increase the accessibility and efficiency of the other enzymes involved in the saccharification of cellulosic substrates. Thus, SWOs are promising targets for improving the hydrolysis of plant biomass and for use as an additive to enhance the efficiency of an enzyme cocktail designed for the production of biofuels...
May 16, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28500840/cystatin-c-deficiency-suppresses-tumor-growth-in-a-breast-cancer-model-through-decreased-proliferation-of-tumor-cells
#14
Janja Završnik, Miha Butinar, Mojca Trstenjak Prebanda, Aleksander Krajnc, Robert Vidmar, Marko FonoviÄ, Anders Grubb, Vito Turk, Boris Turk, Olga Vasiljeva
Cysteine cathepsins are proteases that, in addition to their important physiological functions, have been associated with multiple pathologies, including cancer. Cystatin C (CstC) is a major endogenous inhibitor that regulates the extracellular activity of cysteine cathepsins. We investigated the role of cystatin C in mammary cancer using CstC knockout mice and a mouse model of breast cancer induced by expression of the polyoma middle T oncoprotein (PyMT) in the mammary epithelium. We showed that the ablation of CstC reduced the rate of mammary tumor growth...
April 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28494928/shotgun-proteomic-analysis-of-the-secretome-of-bovine-endometrial-mesenchymal-progenitor-stem-cells-challenged-or-not-with-bacterial-lipopolysaccharide
#15
Carolina Nogueira de Moraes, Leandro Maia, Eliandre de Oliveira, Camila de Paula Freitas Dell'Aqua, Aspinas Chapwanya, Fernanda da Cruz Landim-Alvarenga, Eunice Oba
The use of the conditioned medium (CM) for diseases treatment is based on its enrichment with biomolecules with therapeutic properties and themselves have a beneficial effect. Secretome of bovine endometrial mesenchymal progenitor/stem cells (eMSCs) using a proteomics approach is until now unknown. This work aimed to evaluate the secretome of bovine eMSCs-CM challenged or not with lipopolysaccharide (LPS). For this, eMSCs characterized were challenged (TG) or not (CG). The CM was collected 12h after stimulation and submitted to mass spectrometry analysis...
May 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28483534/comparative-secretomic-analysis-of-lignocellulose-degradation-by-lentinula-edodes-grown-on-microcrystalline-cellulose-lignosulfonate-and-glucose
#16
Yingli Cai, Yuhua Gong, Wei Liu, Yue Hu, Lianfu Chen, Lianlian Yan, Yan Zhou, Yinbing Bian
Lentinula edodes has the potential to degrade woody and nonwoody lignocellulosic biomass. However, the mechanism of lignocellulose degradation by L. edodes is unclear. The aim of this work is to explore the profiling of soluble secreted proteins involved in lignocellulose degradation in L. edodes. For that, we compared the secretomes of L. edodes grown on microcrystalline cellulose, cellulose with lignosulfonate and glucose. Based on nanoliquid chromatography coupled with tandem mass spectrometry of whole-protein hydrolysate, 230 proteins were identified...
June 23, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28467974/expression-of-sialyl-tn-sugar-antigen-in-bladder-cancer-cells-affects-response-to-bacillus-calmette-gu%C3%A3-rin-bcg-and-to-oxidative-damage
#17
Paulo F Severino, Mariana Silva, Mylene Carrascal, Nadia Malagolini, Mariella Chiricolo, Giulia Venturi, Annalisa Astolfi, Mariangela Catera, Paula A Videira, Fabio Dall'Olio
The sialyl-Tn (sTn) antigen is an O-linked carbohydrate chain aberrantly expressed in bladder cancer (BC), whose biosynthesis is mainly controlled by the sialyltransferase ST6GALNAC1. Treatment with Bacillus Calmette-Guérin (BCG) is the most effective adjuvant immunotherapy for superficial BC but one third of the patients fail to respond. A poorly understood correlation between the expression of sTn and BC patient's response to BCG was previously observed. By analyzing tumor tissues, we showed that patients with high ST6GALNAC1 and IL-6 mRNA expression were BCG responders...
April 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28466509/a-spatial-temporal-analysis-of-the-fusarium-graminearum-transcriptome-during-symptomless-and-symptomatic-wheat-infection
#18
Neil A Brown, Jess Evans, Andrew Mead, Kim E Hammond-Kosack
Fusarium head blight of wheat is one of the most serious and hazardous crop diseases worldwide. Here, a transcriptomic investigation of Fusarium graminearum reveals a new model for symptomless and symptomatic wheat infection. The predicted metabolic state and secretome of F. graminearum were distinct within symptomless and symptomatic wheat tissue. Transcripts for genes involved in the biosynthesis of the mycotoxin, deoxynivalenol, plus other characterised and putative secondary metabolite clusters increased in abundance in symptomless tissue...
May 2, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28464870/comparative-analysis-of-the-predicted-secretomes-of-rosaceae-scab-pathogens-venturia-inaequalis-and-v-pirina-reveals-expanded-effector-families-and-putative-determinants-of-host-range
#19
Cecilia H Deng, Kim M Plummer, Darcy A B Jones, Carl H Mesarich, Jason Shiller, Adam P Taranto, Andrew J Robinson, Patrick Kastner, Nathan E Hall, Matthew D Templeton, Joanna K Bowen
BACKGROUND: Fungal plant pathogens belonging to the genus Venturia cause damaging scab diseases of members of the Rosaceae. In terms of economic impact, the most important of these are V. inaequalis, which infects apple, and V. pirina, which is a pathogen of European pear. Given that Venturia fungi colonise the sub-cuticular space without penetrating plant cells, it is assumed that effectors that contribute to virulence and determination of host range will be secreted into this plant-pathogen interface...
May 2, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28439213/a-clinical-perspective-on-the-utility-of-alpha-1-antichymotrypsin-for-the-early-diagnosis-of-calcific-aortic-stenosis
#20
Tatiana Martin-Rojas, Laura Mourino-Alvarez, Felix Gil-Dones, Fernando de la Cuesta, Esther Rosello-Lleti, Carlos M Laborde, Miguel Rivera, Luis Fernando Lopez-Almodovar, Juan Antonio Lopez, Finn Akerstrom, Luis R Padial, Maria G Barderas
BACKGROUND: Calcific aortic stenosis (CAS) is the most common heart valve disease in the elderly, representing an important economic and social burden in developed countries. Currently, there is no way to predict either the onset or progression of CAS, emphasizing the need to identify useful biomarkers for this condition. METHODS: We performed a multi-proteomic analysis on different kinds of samples from CAS patients and healthy donors: tissue, secretome and plasma...
2017: Clinical Proteomics
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