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https://www.readbyqxmd.com/read/28103122/ptk2-mediated-degradation-of-atg3-impedes-cancer-cells-susceptible-to-dna-damage-treatment
#1
Ke Ma, Wan Fu, Ming Tang, Chaohua Zhang, Tianyun Hou, Ran Li, Xiaopeng Lu, Yanan Wang, Jingyi Zhou, Xue Li, Luyao Zhang, Lina Wang, Ying Zhao, Wei-Guo Zhu
ATG3 (autophagy related 3) is an E2-like enzyme essential for autophagy; however, it is unknown whether it has an autophagy-independent function. Here, we report that ATG3 is a relatively stable protein in unstressed cells, but it is degraded in response to DNA-damaging agents such as etoposide or cisplatin. With mass spectrometry and a mutagenesis assay, phosphorylation of tyrosine 203 of ATG3 was identified to be a critical modification for its degradation, which was further confirmed by manipulating ATG3(Y203E) (phosphorylation mimic) or ATG3(Y203F) (phosphorylation-incompetent) in Atg3 knockout MEFs...
January 19, 2017: Autophagy
https://www.readbyqxmd.com/read/28098059/laparoscopic-ileocecal-resection-in-acute-and-chronic-presentations-of-crohn-s-disease-a-single-center-experience
#2
G Cocorullo, R Tutino, N Falco, G Salamone, T Fontana, L Licari, G Gulotta
INTRODUCTION: The terminal ileum is the most involved tract in Crohn's disease. The obstruction in this location is the most frequent complication. Acute or chronic presentations can occur. Surgery finds a role in the management of chronic strictures and in acute clinical presentations with complications not improving with conservative therapy. PATIENTS AND METHODS: We investigate the outcome of patients with obstruction of the ileo-cecal bowel tract laparoscopically managed...
September 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28097286/-pain-therapy-in-small-pets
#3
Sabine Tacke, Andrea Gollwitzer, Lukas Grammel, Julia Henke
Although many advances in pain therapy have been made in recent years, pain therapy is more difficult in the small domestic animal than in cats and dogs. However, there is the ethical obligation that these animals also receive adequate pain therapy. An analgesic is rarely authorized for use in small pets, with pharmacological investigations often lacking and dosages frequently only determined empirically. The small size of the animals often requires a higher dose per kilogram bodyweight compared to cats and dogs...
January 17, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28096485/murine-cytomegalovirus-deubiquitinase-regulates-viral-chemokine-levels-to-control-inflammation-and-pathogenesis
#4
Adam T Hilterbrand, Daniel R Boutz, Edward M Marcotte, Jason W Upton
: Maintaining control over inflammatory processes represents a paradox for viral pathogens. Although many viruses induce host inflammatory responses to facilitate infection, control is necessary to avoid overactivation. One way is through the manipulation of proinflammatory chemokine levels, both host and viral. Murine cytomegalovirus (MCMV), a model betaherpesvirus, encodes a viral C-C chemokine, MCK2, which promotes host inflammatory responses and incorporates into virions to facilitate viral dissemination...
January 17, 2017: MBio
https://www.readbyqxmd.com/read/28095743/adult-murine-pancreatic-progenitors-require-egf-and-nicotinamide-for-self-renewal-and-differentiation-in-a-serum-and-conditioned-medium-free-culture
#5
Lena Wedeken, Angela Luo, Jacob R Tremblay, Jeffrey Rawson, Liang Jin, Dan Gao, Janine Quijano, Hsun Teresa Ku
Adult pancreatic stem and progenitor cells may serve as an alternative source of insulin-secreting endocrine cells in cell replacement therapy for type 1 diabetes, but much remained unknown about these cells. We previously identified adult murine pancreatic progenitor-like cells that displayed in vitro self-renewal and tri-lineage differentiation activities in a 3-dimensional colony/organoid assay containing 1% methylcellulose and 5% Matrigel. However, the presence of other undefined culture components, such as serum and conditioned medium, has prevented a complete understanding of the signals required for progenitor cell growth...
January 17, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28093705/manipulation-of-oxygen-and-endoplasmic-reticulum-stress-factors-as-possible-interventions-for-treatment-of-multiple-sclerosis-evidence-for-and-against
#6
Paul Eggleton, Gary R Smerdon, Janet E Holley, Nicholas J Gutowski
Multiple sclerosis (MS) is normally considered a chronic inflammatory disease of the central nervous system (CNS), where T-cells breaching the blood brain barrier react against proteins of the axonal myelin sheaths, leading to focal plaques and demyelination in the brain and spinal cord. Many current therapies are immunosuppressive in nature and are designed to target the immune system at an early stage of the disease. But there is no cure and MS may evolve into a neurodegenerative disease, where immunomodulatory treatments appear less effective...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28092499/nanoparticles-for-sirna-based-gene-silencing-in-tumor-therapy
#7
Anish Babu, Ranganayaki Muralidharan, Narsireddy Amreddy, Meghna Mehta, Anupama Munshi, Rajagopal Ramesh
Gene silencing through RNA interference (RNAi) has emerged as a potential strategy in manipulating cancer causing genes by complementary base-pairing mechanism. Small interfering RNA (siRNA) is an important RNAi tool that has found significant application in cancer therapy. However due to lack of stability, poor cellular uptake and high probability of loss-of-function due to degradation, siRNA therapeutic strategies seek safe and efficient delivery vehicles for in vivo applications. The current review discusses various nanoparticle systems currently used for siRNA delivery for cancer therapy, with emphasis on liposome based gene delivery systems...
December 2016: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28090089/transfer-of-minimally-manipulated-cmv-specific-t-cells-from-stem-cell-or-third-party-donors-to-treat-cmv-infection-after-allohsct
#8
M Neuenhahn, J Albrecht, M Odendahl, F Schlott, G Dössinger, M Schiemann, S Lakshmipathi, K Martin, D Bunjes, S Harsdorf, E M Weissinger, H Menzel, M Verbeek, L Uharek, N Kröger, E Wagner, G Kobbe, T Schroeder, M Schmitt, G Held, W Herr, L Germeroth, H Bonig, T Tonn, H Einsele, D H Busch, G U Grigoleit
Cytomegalovirus (CMV) infection is a common, potentially life-threatening complication following allogeneic hematopoietic stem cell transplantation (allo-HSCT). We assessed prospectively safety and efficacy of stem cell-donor- or third-party-donor-derived CMV-specific T cells for the treatment of persistent CMV infections after allo-HSCT in a phase I/IIa trial. Allo-HSCT patients with drug-refractory CMV infection and lacking virus-specific T cells were treated with a single dose of ex vivo MHC-Streptamer-isolated CMV epitope-specific donor T cells...
January 16, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28089669/exposure-to-gdnf-enhances-the-ability-of-enteric-neural-progenitors-to%C3%A2-generate-an-enteric-nervous-system
#9
Sonja J McKeown, Mitra Mohsenipour, Annette J Bergner, Heather M Young, Lincon A Stamp
Cell therapy is a promising approach to generate an enteric nervous system (ENS) and treat enteric neuropathies. However, for translation to the clinic, it is highly likely that enteric neural progenitors will require manipulation prior to transplantation to enhance their ability to migrate and generate an ENS. In this study, we examine the effects of exposure to several factors on the ability of ENS progenitors, grown as enteric neurospheres, to migrate and generate an ENS. Exposure to glial-cell-line-derived neurotrophic factor (GDNF) resulted in a 14-fold increase in neurosphere volume and a 12-fold increase in cell number...
January 6, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28088332/manipulation-of-tumor-oxygenation-and-radiosensitivity-through-modification-of-cell-respiration-a-critical-review-of-approaches-and-imaging-biomarkers-for-therapeutic-guidance
#10
REVIEW
Bernard Gallez, Marie-Aline Neveu, Pierre Danhier, Bénédicte F Jordan
Tumor hypoxia has long been considered as a detrimental factor for the response to irradiation. In order to improve the sensitivity of tumors cells to radiation therapy, tumor hypoxia may theoretically be alleviated by increasing the oxygen delivery or by decreasing the oxygen consumption by tumor cells. Mathematical modelling suggested that decreasing the oxygen consumption should be more efficient than increasing oxygen delivery in order to alleviate tumor hypoxia. In this paper, we review several promising strategies targeting the mitochondrial respiration for which alleviation of tumor hypoxia and increase in sensitivity to irradiation have been demonstrated...
January 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28086811/study-of-the-microrna-expression-profile-of-foreskin-derived-mesenchymal-stromal-cells-following-inflammation-priming
#11
Hussein Fayyad-Kazan, Mohammad Fayyad-Kazan, Bassam Badran, Dominique Bron, Laurence Lagneaux, Mehdi Najar
BACKGROUND: Due to their self-renewal capacity, multi-lineage potential, and immunomodulatory properties, mesenchymal stromal cells (MSCs) are an attractive tool for different therapeutic strategies. Foreskin (FSK), considered as a biological waste material, has already been shown to be a valuable source of MSCs. Besides their typical fibroblast like morphology and International Society for cellular Therapy compliant phenotype, foreskin-MSCs (FSK-MSCs) are clonogenic, and highly proliferative cells with multi-lineage and strong immunomodulatory capacities...
January 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28079617/manipulation-of-the-endocannabinoid-system-in-colitis-a-comprehensive-review
#12
Kristina L Leinwand, Mark E Gerich, Edward J Hoffenberg, Colm B Collins
BACKGROUND: Inflammatory bowel disease (IBD) is a lifelong disease of the gastrointestinal tract whose annual incidence and prevalence is on the rise. Current immunosuppressive therapies available for treatment of IBD offer limited benefits and lose effectiveness, exposing a significant need for the development of novel therapies. In the clinical setting, cannabis has been shown to provide patients with IBD symptomatic relief, although the underlying mechanisms of their anti-inflammatory effects remain unclear...
February 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28073291/future-of-raav-gene-therapy-platform-for-rnai-gene-editing-and-beyond
#13
Paul Valdmanis, Mark A Kay
The use of recombinant adeno-associated viruses (rAAVs) ushered in a new millennium of gene transfer for therapeutic treatment of a number of conditions including congenital blindness, hemophilia, and spinal muscular atrophy (SMA). rAAV vectors have remarkable staying power from a therapeutic standpoint withstanding several ebbs and flows. As new technologies such as clustered regularly interspaced short palindromic repeat (CRISPR) genome editing emerge, it is now the delivery tool - the AAV vector - that is the stalwart...
January 10, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28070268/a-systematic-review-of-thrust-manipulation-for-non-surgical-shoulder-conditions
#14
REVIEW
Amy L Minkalis, Robert D Vining, Cynthia R Long, Cheryl Hawk, Katie de Luca
PURPOSE: Although many conservative management options are available for patients with non-surgical shoulder conditions, there is little evidence of their effectiveness. This review investigated one manual therapy approach, thrust manipulation, as a treatment option. METHODS: A systematic search was conducted of the electronic databases from inception to March 2016: PubMed, PEDro, ICL, CINAHL, and AMED. Two independent reviewers conducted the screening process to determine article eligibility...
2017: Chiropractic & Manual Therapies
https://www.readbyqxmd.com/read/28069054/the-effect-of-a-novel-probiotic-on-metabolic-biomarkers-in-adults-with-prediabetes-and-recently-diagnosed-type-2-diabetes-mellitus-study-protocol-for-a-randomized-controlled-trial
#15
Talia Palacios, Luis Vitetta, Samantha Coulson, Claire D Madigan, Gareth S Denyer, Ian D Caterson
BACKGROUND: Shifts in the gastrointestinal microbiome have been shown to contribute to the progression of metabolic diseases including prediabetes and type 2 diabetes mellitus. Research suggests that in-vivo modulation of the gut microbiome by specific probiotic microorganisms may improve insulin sensitivity and blood sugar management, preventing or delaying the development of type 2 diabetes mellitus. However, further research is needed to understand the effect of probiotics as a therapy for the treatment of metabolic diseases...
January 9, 2017: Trials
https://www.readbyqxmd.com/read/28068510/current-knowledge-and-priorities-for-future-research-in-late-effects-after-hematopoietic-stem-cell-transplantation-hct-for-severe-combined-immunodeficiency-patients-a-consensus-statement-from-the-second-pediatric-blood-and-marrow-transplant-consortium-international
#16
REVIEW
Jennifer Heimall, Jennifer Puck, Rebecca Buckley, Thomas A Fleisher, Andrew R Gennery, Benedicte Neven, Mary Slatter, Elie Haddad, Luigi D Notarangelo, K Scott Baker, Andrew C Dietz, Christine Duncan, Michael A Pulsipher, Mort J Cowan
Severe combined immunodeficiency (SCID) is 1 of the most common indications for pediatric hematopoietic cell transplantation (HCT) in patients with primary immunodeficiency. Historically, SCID was diagnosed in infants who presented with opportunistic infections within the first year of life. With newborn screening (NBS) for SCID in most of the United States, the majority of infants with SCID are now diagnosed and treated in the first 3.5 months of life; however, in the rest of the world, the lack of NBS means that most infants with SCID still present with infections...
January 6, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28068367/cell-surface-integrins-and-car-are-both-essential-for-adenovirus-type-5-transduction-of-canine-cells-of-lymphocytic-origin
#17
Payal Agarwal, Elizabeth A Gammon, Abdul Mohin Sajib, Maninder Sandey, Bruce F Smith
Adenoviruses are the most widely used vectors in cancer gene therapy. Adenoviruses vectors are well characterized and are easily manipulated. Adenovirus serotype 5 (Ad5) is the most commonly used human serotype. Ad5 internalization into host cells is a combined effect of binding of Ad5 fiber knob with the coxsackie virus and adenovirus receptor (CAR) and binding of RGD motifs in viral penton to cell surface integrins (αvβ3, αvβ5). Ad5's wide range of host-cell transduction and lack of integration into the host genome have made it an excellent choice for cancer therapeutics...
2017: PloS One
https://www.readbyqxmd.com/read/28067362/electrochemical-manipulation-of-cell-populations-supported-by-biodegradable-polymeric-nanosheets-for-cell-transplantation-therapy
#18
Jin Suzuki, Nobuhiro Nagai, Matsuhiko Nishizawa, Toshiaki Abe, Hirokazu Kaji
We describe an electrochemical method of harvesting cells cultured on a biodegradable polymeric nanosheet (cell/nanosheet construct), which is stabilized on a self-assembled monolayer (SAM) of thiol molecules. A poly(lactic-co-glycolic acid) (PLGA) nanosheet was attached by hydrophobic interactions onto the surface of a SAM of l-cysteine coated onto a gold electrode. Retinal pigment epithelial cell lines (RPE-J cells) were cultured on the nanosheet to form a monolayer. An AA-size dry battery was used to apply a negative electrical potential, causing reductive desorption of the SAM from the gold surface...
January 9, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28064388/stem-cell-recipes-of-bone-marrow-and-fish-just-what-the-stroke-doctors-ordered
#19
REVIEW
Eleonora Napoli, Cesar V Borlongan
Stem cell therapy for stroke has advanced from the laboratory to the clinic, but remains as an experimental treatment. Two lines of transplant regimens have emerged, namely the "early bird" peripheral injections in subacute stroke patients and the "late night" direct intracerebral treatments in chronic stroke patients. Autologous bone marrow-derived stem cells, which only required minimal manipulations during graft cell preparation, gained fast-track entry into the clinic, while gene modified stem cells necessitated overcoming more stringent regulatory criteria before they were approved for clinical use...
January 7, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28064002/endoplasmic-reticulum-mitochondria-ca-2-crosstalk-in-the-control-of-the-tumor-cell-fate
#20
REVIEW
Sonia Missiroli, Alberto Danese, Tommaso Iannitti, Simone Patergnani, Mariasole Perrone, Maurizio Previati, Carlotta Giorgi, Paolo Pinton
Mitochondria-associated membranes are juxtaposed between the endoplasmic reticulum and mitochondria and have been identified as a critical hub in the regulation of apoptosis and tumor growth. One key function of mitochondria-associated membranes is to provide asylum to a number of proteins with tumor suppressor and oncogenic properties. In this review, we discuss how Ca(2+) flux manipulation represents the primary mechanism underlying the action of several oncogenes and tumor-suppressor genes and how these networks might be manipulated to provide novel therapies for cancer...
January 4, 2017: Biochimica et Biophysica Acta
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