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https://www.readbyqxmd.com/read/28726589/proteomic-study-of-sumoylation-during-solanum-tuberosum-phytophthora-infestans-in-compatible-interactions
#1
Bertrand Colignon, Marc Dieu, Catherine Demazy, Edouard Delaive, Yordan Muhovski, Martine Raes, Sergio Mauro
Invasive plant pathogens have developed the ability to modify the metabolism of their host, promoting metabolic processes which facilitate the growth of the pathogen; at the general expense of the host. The particular enzymatic process SUMOylation which performs post-translational modification of target proteins, leading to changes in many aspects of protein activity and hence metabolism has been demonstrated to be active in many eukaryotic organisms, both animals and plants. Here we provide experimental evidence which indicates that in leaves of Solanum tuberosum which have been infected by Phytophthora infestans, the SUMO pathway enzymes of the host are partially under transcriptional control exerted by the oomycete...
July 20, 2017: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/28725581/direct-magnetic-resonance-imaging-guided-biopsy-of-the-prostate-lessons-learned-in-establishing-a-regional-referral-center
#2
REVIEW
Benjamin Addicott, Bryan R Foster, Chenara Johnson, Alice Fung, Christopher L Amling, Fergus V Coakley
MRI-targeted biopsy of the prostate appears to have the potential to reduce the high rates of underdiagnosis and overdiagnosis associated with the current diagnostic standard of transrectal ultrasound guided systematic biopsy. Direct or "in bore" MRI-guided biopsy is one of the three methods for MRI-targeted core needle sampling of suspicious, generally Pi-RADS 4 or 5, foci within the prostate, and our early experience suggests the approach demonstrates substantial utility and promise in the care of patients with prostate cancer...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725452/mapmysmoke-feasibility-of-a-new-quit-cigarette-smoking-mobile-phone-application-using-integrated-geo-positioning-technology-and-motivational-messaging-within-a-primary-care-setting
#3
Robert S Schick, Thomas W Kelsey, John Marston, Kay Samson, Gerald W Humphris
BACKGROUND: Approximately 11,000 people die in Scotland each year as a result of smoking-related causes. Quitting smoking is relatively easy; maintaining a quit attempt is a very difficult task with success rates for unaided quit attempts stubbornly remaining in the single digits. Pharmaceutical treatment can improve these rates by lowering the overall reward factor of nicotine. However, these and related nicotine replacement therapies do not operate on, or address, the spatial and contextual aspects of smoking behaviour...
2018: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28724992/opposite-bidirectional-shifts-in-excitation-and-inhibition-in-specific-types-of-dorsal-horn-interneurons-are-associated-with-spasticity-and-pain-post-sci
#4
Olga Kopach, Volodymyr Medvediev, Volodymyr Krotov, Anya Borisyuk, Vitaliy Tsymbaliuk, Nana Voitenko
Spasticity, a common complication after spinal cord injury (SCI), is frequently accompanied by chronic pain. The physiological origin of this pain (critical to its treatment) remains unknown, although spastic motor dysfunction has been related to the hyperexcitability of motoneurons and to changes in spinal sensory processing. Here we show that the pain mechanism involves changes in sensory circuits of the dorsal horn (DH) where nociceptive inputs integrate for pain processing. Spasticity is associated with the DH hyperexcitability resulting from an increase in excitation and disinhibition occurring in two respective types of sensory interneurons...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724911/honokiol-inhibits-c-met-ho-1-tumor-promoting-pathway-and-its-cross-talk-with-calcineurin-inhibitor-mediated-renal-cancer-growth
#5
Murugabaskar Balan, Samik Chakraborty, Evelyn Flynn, David Zurakowski, Soumitro Pal
Honokiol (HNK) is a small molecule with potent anti-inflammatory and anti-tumorigenic properties; yet the molecular targets of HNK are not well studied. Hyperactivation of the receptor tyrosine kinase c-Met and overexpression of the cytoprotective enzyme heme oxygenase-1 (HO-1) play a critical role in the growth and progression of renal cell carcinoma (RCC). Interestingly, the calcineurin inhibitor (CNI) cyclosporine A (CsA), an immunosuppressant used to prevent allograft rejection, can also increase the risk of RCC in transplant patients...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724448/systemic-insecticide-treatment-of-the-canine-reservoir-of-trypanosoma-cruzi-induces-high-levels-of-lethality-in-triatoma-infestans-a-principal-vector-of-chagas-disease
#6
Ariel Loza, Adrianna Talaga, Gladys Herbas, Ruben Jair Canaviri, Thalia Cahuasiri, Laura Luck, Alvaro Guibarra, Raquel Goncalves, Juan Antonio Pereira, Sonia A Gomez, Albert Picado, Louisa Alexandra Messenger, Caryn Bern, Orin Courtenay
BACKGROUND: Despite large-scale reductions in Chagas disease prevalence across Central and South America, Trypanosoma cruzi infection remains a considerable public health problem in the Gran Chaco region where vector-borne transmission persists. In these communities, peridomestic animals are major blood-meal sources for triatomines, and household presence of infected dogs increases T. cruzi transmission risk for humans. To address the pressing need for field-friendly, complementary methods to reduce triatomine infestation and interrupt T...
July 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28724438/synergy-between-dinotefuran-and-fipronil-against-the-cat-flea-ctenocephalides-felis-improved-onset-of-action-and-residual-speed-of-kill-in-adult-cats
#7
Romain Delcombel, Hamadi Karembe, Bakela Nare, Audrey Burton, Julian Liebenberg, Josephus Fourie, Marie Varloud
BACKGROUND: The cat flea, Ctenocephalides felis felis (C. felis), is a cosmopolitan hematophagous ectoparasite, and is considered to be the most prevalent flea species in both Europe and the USA. Clinical signs frequently associated with flea bites include pruritus, dermatitis and in severe cases even pyodermatitis and alopecia. Ctenocephalides felis is also a vector for several pathogens and is an intermediate host for the cestode Dipylidium caninum. Treatment of cats with a fast-acting pulicide, that is persistently effective in protecting the animal against re-infestation, is therefore imperative to their health...
July 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28724388/o-glcnac-regulation-of-autophagy-and-%C3%AE-synuclein-homeostasis-implications-for-parkinson-s-disease
#8
Willayat Y Wani, Xiaosen Ouyang, Gloria A Benavides, Matthew Redmann, Stacey S Cofield, John J Shacka, John C Chatham, Victor Darley-Usmar, Jianhua Zhang
Post-translational modification on protein Ser/Thr residues by O-linked attachment of ß-N-acetyl-glucosamine (O-GlcNAcylation) is a key mechanism integrating redox signaling, metabolism and stress responses. One of the most common neurodegenerative diseases that exhibit aberrant redox signaling, metabolism and stress response is Parkinson's disease, suggesting a potential role for O-GlcNAcylation in its pathology. To determine whether abnormal O-GlcNAcylation occurs in Parkinson's disease, we analyzed lysates from the postmortem temporal cortex of Parkinson's disease patients and compared them to age matched controls and found increased protein O-GlcNAcylation levels...
July 19, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28723571/emi2-is-essential-for-mouse-spermatogenesis
#9
Lakshmi Gopinathan, Radoslaw Szmyd, Diana Low, M Kasim Diril, Heng-Yu Chang, Vincenzo Coppola, Kui Liu, Lino Tessarollo, Ernesto Guccione, Ans M M van Pelt, Philipp Kaldis
The meiotic functions of Emi2, an inhibitor of the APC/C complex, have been best characterized in oocytes where it mediates metaphase II arrest as a component of the cytostatic factor. We generated knockout mice to determine the in vivo functions of Emi2-in particular, its functions in the testis, where Emi2 is expressed at high levels. Male and female Emi2 knockout mice are viable but sterile, indicating that Emi2 is essential for meiosis but dispensable for embryonic development and mitotic cell divisions...
July 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28722152/pilot-of-the-boost-a%C3%A2-an-online-transition-planning-program-for-adolescents-with-autism
#10
Megan Hatfield, Nina Murray, Marina Ciccarelli, Torbjörn Falkmer, Marita Falkmer
BACKGROUND: Many adolescents with autism face difficulties with the transition from high school into post-school activities. The Better OutcOmes & Successful Transitions for Autism (BOOST-A™) is an online transition planning program which supports adolescents on the autism spectrum to prepare for leaving school. This study describes the development of the BOOST-A™ and aimed to determine the feasibility and viability of the program. METHODS: Two pilot studies were conducted...
July 19, 2017: Australian Occupational Therapy Journal
https://www.readbyqxmd.com/read/28721398/calcium-stimulated-adenylyl-cyclase-subtype-1-ac1-contributes-to-ltp-in-the-insular-cortex-of-adult-mice
#11
Manabu Yamanaka, Takanori Matsuura, Haili Pan, Min Zhuo
Long-term potentiation (LTP) of synaptic transmission in the central nervous system is a key form of cortical plasticity. The insular cortex (IC) is known to play important roles in pain perception, aversive memory and mood disorders. LTP has been recently reported in the IC, however, the signaling pathway for IC LTP remains unknown. Here, we investigated the synaptic mechanism of IC LTP. We found that IC LTP induced by the pairing protocol was N-methyl-D-aspartate receptors (NMDARs) dependent, and expressed postsynaptically, since paired-pulse ratio (PPR) was not affected...
July 2017: Heliyon
https://www.readbyqxmd.com/read/28719602/prehospital-immune-responses-and-development-of-multiple-organ-dysfunction-syndrome-following-traumatic-injury-a-prospective-cohort-study
#12
Jon Hazeldine, David N Naumann, Emma Toman, David Davies, Jonathan R B Bishop, Zhangjie Su, Peter Hampson, Robert J Dinsdale, Nicholas Crombie, Niharika Arora Duggal, Paul Harrison, Antonio Belli, Janet M Lord
BACKGROUND: Almost all studies that have investigated the immune response to trauma have analysed blood samples acquired post-hospital admission. Thus, we know little of the immune status of patients in the immediate postinjury phase and how this might influence patient outcomes. The objective of this study was therefore to comprehensively assess the ultra-early, within 1-hour, immune response to trauma and perform an exploratory analysis of its relationship with the development of multiple organ dysfunction syndrome (MODS)...
July 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28719394/cochlear-implantation-in-children-under-12-months-of-age
#13
Samantha McKinney
PURPOSE OF REVIEW: Children with congenital hearing loss are being identified earlier, leading to earlier intervention. Current US Food and Drug Administration (FDA) criteria states a child must be 12 months or older for cochlear implantation. The purpose of this article is to review recent publications regarding the benefits of implanting infants under 12 months of age. Topics include: safety and efficacy of surgery, speech and language acquisition outcomes, audiologic components, and limitations...
July 14, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28719020/fibrin-ogen-and-neurodegeneration-in-the-progressive-multiple-sclerosis-cortex
#14
Richard L Yates, Margaret M Esiri, Jacqueline Palace, Benjamin Jacobs, Rafael Perera, Gabriele C DeLuca
OBJECTIVE: Neuronal loss, a key substrate of irreversible disability in multiple sclerosis (MS), is a recognised feature of MS cortical pathology of which the cause remains unknown. Fibrin(ogen) deposition is neurotoxic in animal models of MS, but has not been evaluated in human progressive MS cortex. The aim of this study was to investigate the extent and distribution of fibrin(ogen) in progressive MS cortex and elucidate its relationship with neurodegeneration. METHODS: A post-mortem cohort of pathologically confirmed MS (n=47) and control (n=10) cases was used...
July 18, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28718307/late-post-treatment-radiographic-changes-3-years-following-chemoradiation-for-glioma-the-importance-of-histopathology
#15
Joao R Galante, Fausto Rodriguez, Stuart A Grossman, Roy E Strowd
Treatment-related changes can mimic brain tumor progression both clinically and radiographically. Distinguishing these two entities represents a major challenge in neuro-oncology. No single imaging modality is capable of reliably achieving such distinction. While histopathology remains the gold standard, definitive pathological criteria are also lacking which can further complicate such cases. We report a patient with high-grade glioma who, after initially presenting with histopathologically confirmed pseudoprogression 10 months following treatment, re-presented 3 years following concurrent chemoradiation with clinical and radiographic changes that were most consistent with progressive disease but for which histopathology revealed treatment effects without active glioma...
July 18, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28717537/paraoxonase-and-arylesterase-activity-in-bladder-cancer
#16
Mehmet Mazhar Utanğaç, Ercan Yeni, Murat Savaş, Adem Altunkol, Halil Çiftçi, Kemal Gümüş, Mehmet Demir
OBJECTIVE: Oxidative stress is the main pathogenetic mechanism in bladder cancer among many other causes. We aimed to investigate whether a potential relationship exists between bladder cancer and the activities of paraoxonase (PON1) and arylesterase (ARE) enzymes. MATERIAL AND METHODS: The study included 56 patients with bladder cancer, and 57 healthy individuals. The relationships between enzyme activity and tumour grade, stage, muscular invasion and tumour size were evaluated...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28717191/mln4924-pevonedistat-a-protein-neddylation-inhibitor-suppresses-proliferation-and-migration-of-human-clear-cell-renal-cell-carcinoma
#17
Shuai Tong, Yang Si, Hefen Yu, Lingqiang Zhang, Ping Xie, Wenguo Jiang
Neddylation is a post-translational protein modification associated with cancer development. MLN4924 is a neddylation inhibitor currently under investigation in multiple phase I studies on various malignancies, and its clincal name is Pevonedistat. It has been documented that MLN4924 blocks Cullins neddylation and inactivates CRLs and, in turn, triggers cell-cycle arrest, apoptosis, senescence and autophagy in many cancer cells. In this study, we investigated the anti-tumor effect of MLN4924 in human clear cell renal carcinoma (ccRCC)...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28715515/surgical-suture-releasing-macrophage-targeted-drug-loaded-nanoparticles-for-an-enhanced-anti-inflammatory-effect
#18
Hansol Kim, Byung Hwi Kim, Beom Kang Huh, Yeon Chun Yoo, Chan Yeong Heo, Young Bin Choy, Ji-Ho Park
A surgical suture is a medical device to close the wound site of skin and organs but excessive inflammation surrounding the suture can disrupt the wound healing process. Although post-operative prescription of anti-inflammatory drugs is used to manage the inflammation, the need for local drug delivery systems has been rising because of low bioavailability and fast clearance of drugs. In this work, we proposed a new strategy for a local anti-inflammatory device by incorporating macrophage-targeted anti-inflammatory nanoparticles into the suture...
July 17, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28714959/o-glcnacylation-modulates-bmi-1-protein-stability-and-potential-oncogenic-function-in-prostate-cancer
#19
Y Li, L Wang, J Liu, P Zhang, M An, C Han, Y Li, X Guan, K Zhang
The Polycomb group transcriptional repressor Bmi-1 often overexpressed and participated in stem cells self-renewal and tumorigenesis initiating of prostate cancer. In this progression, Bmi-1 protein was regulated by transcription and post-translational modifications (PTMs). Nobly, the underlying PTMs regulation of Bmi-1 is poorly known. Here we use co-immunoprecipitation show that in C4-2 cell line, Bmi-1 directly interacted with OGT which is the only known enzyme catalyzed the O-GlcNAcylation in human. Furthermore, we identified that Ser255 is the site for Bmi-1 O-GlcNAcylation, and O-GlcNAcylation promoted Bmi-1 protein stability and its oncogenic activity...
July 17, 2017: Oncogene
https://www.readbyqxmd.com/read/28713971/systematic-analysis-of-lncrnas-mirnas-and-mrnas-for-the-identification-of-biomarkers-for-osteoporosis-in-the-mandible-of-ovariectomized-mice
#20
Lingyu Hao, Jiayao Fu, Yawen Tian, Junhua Wu
Osteoporosis is a complex and multifactorial disease caused by an imbalance between bone formation and resorption. Post‑menopausal women with endogenous estrogen deficiency suffer from systemic bone loss and osteoporosis, and are at high risk of this affecting the jaw bones. MicroRNAs (miRNAs or miRs) have been implicated in the mechanisms of metabolic bone diseases and are expressed at differential levels in alveolar bone following ovariectomy. In the present study, we systematically analyzed the expression profiles of miRNAs, mRNAs and long non‑coding RNA (lncRNAs) in the mandible of ovariectomized (OVX) mice...
July 10, 2017: International Journal of Molecular Medicine
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