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https://www.readbyqxmd.com/read/28525726/characterization-of-an-ionic-liquid-tolerant-%C3%AE-xylosidase-from-a-marine-derived-fungal-endophyte
#1
Anindita Sengupta, Angela Zabala, Si Yu Tan, Arthur Broadstock, T S Suryanarayanan, Venkat Gopalan
Ionic liquids (ILs) are used in lignocellulosic biomass (LCB) pretreatment due to their ability to disrupt the extensive hydrogen-bonding network in cellulose and hemicellulose, and thereby decrease LCB recalcitrance to subsequent enzymatic degradation. However, this approach necessitates development of a cellulases and hemicellulases that can tolerate ~20% (w/v) IL, an amount that either co-precipitates with the sugar polymers after the initial pretreatment or is typically used in single-pot biomass deconstructions...
May 19, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28525384/secretome-analysis-of-breast-cancer-associated-adipose-tissue-to-identify-paracrine-regulators-of-breast-cancer-growth
#2
Lapeire Lore, Hendrix An, Lecoutere Evelyne, Van Bockstal Mieke, Vandesompele Jo, Maynard Dawn, Braems Geert, Van Den Broecke Rudy, Müller Cathérine, Bracke Marc, Cocquyt Véronique, Denys Hannelore, De Wever Olivier
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
#3
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/28512448/the-potential-role-of-contraction-induced-myokines-in-the-regulation-of-metabolic-function-for-the-prevention-and-treatment-of-type-2-diabetes
#4
REVIEW
Brian P Carson
Skeletal muscle represents the largest organ in the body, comprises 36-42% of body weight, and has recently been recognized as having an endocrine function. Proteins expressed and released by muscle that have autocrine, paracrine, and endocrine bioactivities have been termed myokines. It is likely that muscle contraction represents the primary stimulus for the synthesis and secretion of myokines to enable communication with other organs such as the liver, adipose tissue, brain, and auto-regulation of muscle metabolism...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28512358/delayed-epidural-transplantation-of-human-induced-pluripotent-stem-cell-derived-neural-progenitors-enhances-functional-recovery-after-stroke
#5
I-Hui Lee, Shiang-Suo Huang, Ching-Yu Chuang, Ko-Hsun Liao, Li-Hsin Chang, Chia-Chi Chuang, Yu-Shih Su, Hung-Jui Lin, Jui-Yu Hsieh, Shu-Han Su, Oscar Kuang-Sheng Lee, Hung-Chih Kuo
Induced pluripotent stem cell-derived neural progenitor cells (iPSC-NPCs) are a promising source of tailor-made cell therapy for neurological diseases. However, major obstacles to clinical use still exist. To circumvent complications related to intracerebral administration, we implanted human iPSC-NPCs epidurally over the peri-infarct cortex 7 days after permanent middle cerebral artery occlusion in adult rats. Compared to controls, cell-treated rats showed significant improvements in paretic forelimb usage and grip strength from 10 days post-transplantation (dpt) onwards, as well as reductions in lesion volumes, inflammatory infiltration and astrogliosis at 21 dpt...
May 16, 2017: Scientific Reports
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
#6
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/28510269/kallikrein-related-peptidase-4-induces-cancer-associated-fibroblast-features-in-prostate-derived-stromal-cells
#7
T Kryza, L M Silva, N Bock, R A Fuhrman-Luck, C R Stephens, J Gao, H Samaratunga, M G Lawrence, J D Hooper, Y Dong, G P Risbridger, J A Clements
The reciprocal communication between cancer cells and their microenvironment is critical in cancer progression. Although involvement of cancer-associated fibroblasts (CAF) in cancer progression is long established, the molecular mechanisms leading to differentiation of CAFs from normal fibroblasts are poorly understood. Here, we report that kallikrein-related peptidase-4 (KLK4) promotes CAF differentiation. KLK4 is highly expressed in prostate epithelial cells of premalignant (prostatic intra-epithelial neoplasia) and malignant lesions compared to normal prostate epithelia, especially at the peri-stromal interface...
May 16, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28506897/aegerolysins-lipid-binding-proteins-with-versatile-functions
#8
REVIEW
Matej Butala, Maruša Novak, Nada Kraševec, Matej Skočaj, Peter Veranič, Peter Maček, Kristina Sepčić
Proteins of the aegerolysin family span many kingdoms of life. They are relatively widely distributed in bacteria and fungi, but also appear in plants, protozoa and insects. Despite being produced in abundance in cells at specific developmental stages and present in secretomes, only a few aegerolysins have been studied in detail. In particular, their organism-specific physiological roles are intriguing. Here, we review published findings to date on the distribution, molecular interactions and biological activities of this family of structurally and functionally versatile proteins, the aegerolysins...
May 12, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28500840/cystatin-c-deficiency-suppresses-tumor-growth-in-a-breast-cancer-model-through-decreased-proliferation-of-tumor-cells
#9
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/28494939/cardiosphere-derived-cells-require-endoglin-for-paracrine-mediated-angiogenesis
#10
Rachael E Redgrave, Simon Tual-Chalot, Benjamin J Davison, Esha Singh, Darroch Hall, Muhammad M Amirrasouli, Derek Gilchrist, Alexander Medvinsky, Helen M Arthur
Clinical trials of stem cell therapy to treat ischemic heart disease primarily use heterogeneous stem cell populations. Small benefits occur via paracrine mechanisms that include stimulating angiogenesis, and increased understanding of these mechanisms would help to improve patient outcomes. Cardiosphere-derived-cells (CDCs) are an example of these heterogeneous stem cell populations, cultured from cardiac tissue. CDCs express endoglin, a co-receptor that binds specific transforming growth factor β (TGFβ) family ligands, including bone morphogenetic protein 9 (BMP9)...
May 9, 2017: Stem Cell Reports
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
#11
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/28494759/time-resolved-dual-transcriptomics-reveal-early-induced-nicotiana-benthamiana-root-genes-and-conserved-infection-promoting-phytophthora-palmivora-effectors
#12
Edouard Evangelisti, Anna Gogleva, Thomas Hainaux, Mehdi Doumane, Frej Tulin, Clément Quan, Temur Yunusov, Kévin Floch, Sebastian Schornack
BACKGROUND: Plant-pathogenic oomycetes are responsible for economically important losses in crops worldwide. Phytophthora palmivora, a tropical relative of the potato late blight pathogen, causes rotting diseases in many tropical crops including papaya, cocoa, oil palm, black pepper, rubber, coconut, durian, mango, cassava and citrus. Transcriptomics have helped to identify repertoires of host-translocated microbial effector proteins which counteract defenses and reprogram the host in support of infection...
May 11, 2017: BMC Biology
https://www.readbyqxmd.com/read/28487436/protective-effect-of-let-7-mirna-family-in-regulating-inflammation-in-diabetes-associated-atherosclerosis
#13
Eoin Brennan, Bo Wang, Aaron McClelland, Muthukumar Mohan, Mariam Marai, Ophelie Beuscart, Sinda Derouiche, Stephen Gray, Raelene Pickering, Chris Tikellis, Monica de Gaetano, Mary Barry, Orina Belton, Syed Tasadaque Ali-Shah, Patrick Guiry, Karin Am Jandeleit-Dahm, Mark E Cooper, Catherine Godson, Phillip Kantharidis
The let-7 miRNA family play a key role in modulating inflammatory responses. Vascular smooth muscle cell (SMC) proliferation, and endothelial cell (EC) dysfunction are critical in the pathogenesis of atherosclerosis, including in the setting of diabetes. Here we report that let-7 levels are decreased in diabetic human carotid plaques and in a model of diabetes-associated atherosclerosis (DAA), the diabetic ApoE(-/-) mouse. In vitro, platelet-derived growth factor (PDGF) and tumor necrosis factor-alpha (TNF-α) induced vascular SMC and EC activation was associated with reduced let-7 miRNA expression, via Lin28b, a negative regulator of let-7 biogenesis...
May 9, 2017: Diabetes
https://www.readbyqxmd.com/read/28484941/proteomics-as-a-tool-to-identify-new-targets-against-aspergillus-and-scedosporium-in-the-context-of-cystic-fibrosis
#14
Andoni Ramirez-Garcia, Aize Pellon, Idoia Buldain, Aitziber Antoran, Aitana Arbizu-Delgado, Xabier Guruceaga, Aitor Rementeria, Fernando L Hernando
Cystic fibrosis (CF) is a genetic disorder that increases the risk of suffering microbial, including fungal, infections. In this paper, proteomics-based information was collated relating to secreted and cell wall proteins with potential medical applications from the most common filamentous fungi in CF, i.e., Aspergillus and Scedosporium/Lomentospora species. Among the Aspergillus fumigatus secreted allergens, β-1,3-endoglucanase, the alkaline protease 1 (Alp1/oryzin), Asp f 2, Asp f 13/15, chitinase, chitosanase, dipeptidyl-peptidase V (DppV), the metalloprotease Asp f 5, mitogillin/Asp f 1, and thioredoxin reductase receive a special mention...
May 8, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28483534/comparative-secretomic-analysis-of-lignocellulose-degradation-by-lentinula-edodes-grown-on-microcrystalline-cellulose-lignosulfonate-and-glucose
#15
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...
May 5, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28480206/cell-secretome-based-drug-substances-in-regenerative-medicine-when-regulatory-affairs-meet-basic-science
#16
EDITORIAL
Lucian Beer, Michael Mildner, Hendrik Jan Ankersmit
No abstract text is available yet for this article.
April 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28476555/the-third-path-of-tubulointerstitial-fibrosis-aberrant-endothelial-secretome
#17
REVIEW
Mark Lipphardt, Jong W Song, Kei Matsumoto, Sina Dadafarin, Hassan Dihazi, Gerhard Müller, Michael S Goligorsky
The secretome, defined as a portion of proteins secreted by specific cells to the extracellular space, secures a proper microenvironmental niche not only for the donor cells, but also for the neighboring cells, thus maintaining tissue homeostasis. Communication via secretory products exists between endothelial cells and fibroblasts, and this local mechanism maintains the viability and density of each compartment. Endothelial dysfunction, apart from obvious cell-autonomous defects, leads to the aberrant secretome, which predisposes fibroblasts to acquire a myofibroblastic fibrogenic phenotype...
May 2, 2017: Kidney International
https://www.readbyqxmd.com/read/28470333/extracorporeal-perfusion-of-isolated-organs-of-large-animals-bridging-the-gap-between-in-vitro-and-in-vivo-studies
#18
Carola R Daniel, Raphael Labens, David Argyle, Theresia F Licka
Since the early 20th century extracorporeal perfusion of large animal organs has been used to investigate a broad variety of research questions, thereby overcoming common draw backs of in vitro studies without suffering from ethical concerns associated with live animal research. The technique is in accordance with the 3R principles and represents an excellent opportunity to investigate in detail the physiology of organs under standardised conditions. It is also suitable for the translation of basic pre-clinical research into a more relevant arena prior to or avoiding altogether live animal research...
May 3, 2017: ALTEX
https://www.readbyqxmd.com/read/28468596/multiple-viral-infections-in-primary-effusion-lymphoma-a-model-of-viral-cooperation-in-lymphomagenesis
#19
Annunziata Gloghini, Chiara C Volpi, Ambra V Gualeni, Riccardo Dolcetti, Italia Bongarzone, Paolo De Paoli, Antonino Carbone
Primary effusion lymphoma (PEL) is a rare B-cell lymphoid neoplasm mainly associated with HIV infection, presenting as pleural, peritoneal, and pericardial effusions. A defining property of PEL is its consistent association with Kaposi sarcoma associated herpesvirus (KSHV) infection, and, in most cases, Epstein Barr virus (EBV) co-infection. On these grounds, a review of the literature related to viral cooperation and lymphomagenesis can help to understand the complex interplay between KSHV and EBV in PEL pathogenesis...
May 4, 2017: Expert Review of Hematology
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
#20
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
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