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https://www.readbyqxmd.com/read/28634071/the-novel-yap-target-gene-sgk1-upregulates-taz-activity-by-blocking-gsk3%C3%AE-mediated-taz-destabilization
#1
Geon Yoo, Tackhoon Kim, Chaeuk Chung, Deog-Su Hwang, Dae-Sik Lim
YAP (Yes-associated protein) and TAZ (transcription activator with PDZ binding motif) are important in tissue regeneration and cancer development, highlighting the importance of discovering partners that regulate their oncogenicity. SGK1 (serum/glucocorticoid regulated kinase 1), initially identified as a homolog of Akt in phosphoinositide 3-kinase signaling, acts as a serine/threonine protein kinase in multiple oncogenic pathways. However, possible links between SGK1 and Hippo-YAP/TAZ signaling remain unexplored...
June 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28633258/stepwise-total-aortic-repairs-with-fenestrated-endografts-in-a-patient-with-loeys-dietz-syndrome
#2
Kenichi Hashizume, Hideyuki Shimizu, Masanori Honda, Shinya Inoue, Hidenobu Takaki, Kanako Hayashi, Hiroaki Kaneyama
Loeys-Dietz syndrome (LDS) is a rare connective tissue disorder (CTD) caused by mutations in the gene encoding transforming growth factor-β receptors Ⅰ and Ⅱ. Patients with LDS manifest spontaneous aneurysms and dissections of the aorta and peripheral artery. We report a successful treatment with a hybrid endovascular repair for a rapidly expanding thoracoabdominal aneurysm in a 41-year-old woman affected by LDS. To overcome the difficulties of anatomical and surgical repair, we applied an original strategy using surgeon-modified fenestrated endografts...
July 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28631692/-multidisciplinary-problems-of-rheumatology-and-pulmonology
#3
L P Ananyeva
Damage to the respiratory system worsens prognosis and increases mortality in all systemic immunoinflammatory rheumatic diseases (SIRDs). Leading pulmonary manifestations in each disease are different, so the typical picture of each nosological entity is very peculiar. In all SIRDs, the disease starts with lung involvement in 10-20% of cases, preceding the expanded clinical presentation of a systemic disease. At a certain stage, lung damage may be the only manifestation of the disease or predominate in its clinical picture, determining the severity of a condition...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28629753/active-identification-of-patients-who-are-methicillin-resistant-staphylococcus-aureus-colonized-is-not-associated-with-longer-duration-of-vancomycin-therapy
#4
Carlos Acuna-Villaorduna, Westyn Branch-Elliman, Judith Strymish, Kalpana Gupta
BACKGROUND: Excessive prescribing of vancomycin among patients admitted to inpatient wards is a challenge for antimicrobial stewardship programs, especially in the setting of expanded screening programs for methicillin-resistant Staphylococcus aureus (MRSA). Studies examining factors associated with longer duration of vancomycin use are limited. METHODS: We conducted a retrospective cohort study to assess the impact of universal MRSA admission screening on duration of vancomycin use at the VA Boston Healthcare System during the period from January 2013-November 2015...
June 16, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28628602/procoagulant-activity-of-human-mesenchymal-stem-cells
#5
Barbara A Christy, Maryanne C Herzig, Robbie K Montgomery, Christopher Delavan, James A Bynum, Kristin M Reddoch, Andrew P Cap
BACKGROUND: Allogeneic mesenchymal stem cells (MSCs) show great potential for the treatment of military and civilian trauma based on their reduced immunogenicity and ability to modulate inflammation and immune function in the recipient. Although generally considered to be safe, MSCs express tissue factor (TF), a potent activator of coagulation. In the current study, we evaluated multiple MSC populations for tissue factor expression and procoagulant activity to characterize safety considerations for systemic use of MSCs in trauma patients who may have altered coagulation homeostasis...
July 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28627747/spontaneous-intercostal-artery-bleeding-in-a-hemodialysis-patient
#6
Areum Durey, Young Sam Kim, Ah Jin Kim
Spontaneous rupture of an intercostal artery (ICA) is a rare but could be a life-threatening emergency requiring prompt diagnosis and intervention for optimal outcome. We report a patient presented with swelling in his right-side back which started immediately after scheduled hemodialysis and continued to increase in size. Contrast computed tomography scan revealed soft tissue attenuated lesion with internal enhancing dots which suggested expanding hematoma with active bleeding. Arteriography detected focal contrast extravasation from seventh ICA, and transcatheter arterial embolization was successfully done...
June 19, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28627450/impact-of-fixation-artifacts-and-threshold-selection-on-high-resolution-melting-analysis-for-kras-mutation-screening
#7
Wendy Pérez-Báez, Ethel A Garcia-Latorre, Hector Aquiles Maldonado-Martinez, Iris Coronado-Martinez, Leonardo Flores-Garcia, Lucía Taja-Chayeb
INTRODUCTION: Treatment in the metastatic colorectal cancer has expanded with monoclonal antibodies targeting Epidermal Growth Factor Receptor, but is restricted to patients with a wild-type (WT) KRAS mutational status. The most sensitive assays for KRAS mutation detection in formalin-fixed paraffin embedded (FFPE) tissues are based on Real-time PCR. Among them, high resolution melting analysis (HRMA), is a simple, fast, highly sensitive, specific and cost-effective method, proposed as adjunct for KRAS mutation detection...
June 13, 2017: Molecular and Cellular Probes
https://www.readbyqxmd.com/read/28626029/a-homozygous-founder-mutation-in-trappc6b-associates-with-a-neurodevelopmental-disorder-characterised-by-microcephaly-epilepsy-and-autistic-features
#8
Isaac Marin-Valencia, Gaia Novarino, Anide Johansen, Basak Rosti, Mahmoud Y Issa, Damir Musaev, Gifty Bhat, Eric Scott, Jennifer L Silhavy, Valentina Stanley, Rasim O Rosti, Jeremy W Gleeson, Farhad B Imam, Maha S Zaki, Joseph G Gleeson
BACKGROUND: Transport protein particle (TRAPP) is a multisubunit complex that regulates membrane trafficking through the Golgi apparatus. The clinical phenotype associated with mutations in various TRAPP subunits has allowed elucidation of their functions in specific tissues. The role of some subunits in human disease, however, has not been fully established, and their functions remain uncertain. OBJECTIVE: We aimed to expand the range of neurodevelopmental disorders associated with mutations in TRAPP subunits by exome sequencing of consanguineous families...
June 16, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28624222/targeting-dmpk-with-antisense-oligonucleotide-improves-muscle-strength-in-myotonic-dystrophy-type-1-mice
#9
Dominic Jauvin, Jessina Chrétien, Sanjay K Pandey, Laurie Martineau, Lucille Revillod, Guillaume Bassez, Aline Lachon, A Robert McLeod, Geneviève Gourdon, Thurman M Wheeler, Charles A Thornton, C Frank Bennett, Jack Puymirat
Myotonic dystrophy type 1 (DM1), a dominant hereditary muscular dystrophy, is caused by an abnormal expansion of a (CTG)n trinucleotide repeat in the 3' UTR of the human dystrophia myotonica protein kinase (DMPK) gene. As a consequence, mutant transcripts containing expanded CUG repeats are retained in nuclear foci and alter the function of splicing regulatory factors members of the MBNL and CELF families, resulting in alternative splicing misregulation of specific transcripts in affected DM1 tissues. In the present study, we treated DMSXL mice systemically with a 2'-4'-constrained, ethyl-modified (ISIS 486178) antisense oligonucleotide (ASO) targeted to the 3' UTR of the DMPK gene, which led to a 70% reduction in CUG(exp) RNA abundance and foci in different skeletal muscles and a 30% reduction in the heart...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28624206/crispr-cas9-mediated-genome-editing-corrects-dystrophin-mutation-in-skeletal-muscle-stem-cells-in-a-mouse-model-of-muscle-dystrophy
#10
Pei Zhu, Furen Wu, Jeffrey Mosenson, Hongmei Zhang, Tong-Chuan He, Wen-Shu Wu
Muscle stem cells (MuSCs) hold great therapeutic potential for muscle genetic disorders, such as Duchenne muscular dystrophy (DMD). The CRISP/Cas9-based genome editing is a promising technology for correcting genetic alterations in mutant genes. In this study, we used fibrin-gel culture system to selectively expand MuSCs from crude skeletal muscle cells of mdx mice, a mouse model of DMD. By CRISP/Cas9-based genome editing, we corrected the dystrophin mutation in expanded MuSCs and restored the skeletal muscle dystrophin expression upon transplantation in mdx mice...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28624204/crispr-cas9-directed-reassignment-of-the-gata1-initiation-codon-in-k562-cells-to-recapitulate-aml-in-down-syndrome
#11
Kevin M Bloh, Pawel A Bialk, Anilkumar Gopalakrishnapillai, E Anders Kolb, Eric B Kmiec
Using a CRISPR/Cas9 system, we have reengineered a translational start site in the GATA1 gene in K562 cells. This mutation accounts largely for the onset of myeloid leukemia in Down syndrome (ML-DS). For this reengineering, we utilized CRISPR/Cas9 to generate mammalian cell lines that express truncated versions of the Gata1s protein similar to that seen in ML-DS, as determined by analyzing specific genetic alterations resulting from CRISPR/Cas9 cleavage. During this work, 73 cell lines were clonally expanded, with allelic variance analyzed...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28623437/root-derived-bicarbonate-assimilation-in-response-to-variable-water-deficit-in-camptotheca-acuminate-seedlings
#12
Sen Rao, Yanyou Wu
Water deficit is one of the key factors that limits the carbon (C) assimilation and productivity of plants. The effect of variable water deficit on recently root-derived bicarbonate assimilation in Camptotheca acuminate seedlings was investigated. Three-month-old seedlings were subjected to three water regimes, well-watered (WW), moderate stress (MS), and severe stress (SS) induced by polyethyleneglycol, in conjunction with relatively high (H) and low (L) natural (13)C-abundance of NaHCO3-labeled treatments in hydroponics for 14 days...
June 16, 2017: Photosynthesis Research
https://www.readbyqxmd.com/read/28623316/revealing-protein-networks-and-gene-drug-connectivity-in-cancer-from-direct-information
#13
Xian-Li Jiang, Emmanuel Martinez-Ledesma, Faruck Morcos
The connection between genetic variation and drug response has long been explored to facilitate the optimization and personalization of cancer therapy. Crucial to the identification of drug response related genetic features is the ability to separate indirect correlations from direct correlations across abundant datasets with large number of variables. Here we analyzed proteomic and pharmacogenomic data in cancer tissues and cell lines using a global statistical model connecting protein pairs, genes and anti-cancer drugs...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28622825/mutagenicity-of-%C3%AF-3-fatty-acid-peroxidation-products-in-the-ames-test
#14
Petr Grúz, Masatomi Shimizu, Kei-Ichi Sugiyama, Masamitsu Honma
Polyunsaturated fatty acids (PUFA) represent one of the main building blocks of cellular membranes and their varying composition impacts lifespan as well as susceptibility to cancer and other degenerative diseases. Increased intake of ω-3 PUFA is taught to compensate for the abundance of ω-6 PUFA in modern human diet and prevent cardiocirculatory diseases. However, highly unsaturated PUFA of marine and seed origin easily oxidize to aldehydic products which form DNA adducts. With increased PUFA consumption it is prudent to re-evaluate ω-3 PUFA safety and the genotoxic hazards of their metabolites...
July 2017: Mutation Research
https://www.readbyqxmd.com/read/28622514/landscape-of-infiltrating-t-cells-in-liver-cancer-revealed-by-single-cell-sequencing
#15
Chunhong Zheng, Liangtao Zheng, Jae-Kwang Yoo, Huahu Guo, Yuanyuan Zhang, Xinyi Guo, Boxi Kang, Ruozhen Hu, Julie Y Huang, Qiming Zhang, Zhouzerui Liu, Minghui Dong, Xueda Hu, Wenjun Ouyang, Jirun Peng, Zemin Zhang
Systematic interrogation of tumor-infiltrating lymphocytes is key to the development of immunotherapies and the prediction of their clinical responses in cancers. Here, we perform deep single-cell RNA sequencing on 5,063 single T cells isolated from peripheral blood, tumor, and adjacent normal tissues from six hepatocellular carcinoma patients. The transcriptional profiles of these individual cells, coupled with assembled T cell receptor (TCR) sequences, enable us to identify 11 T cell subsets based on their molecular and functional properties and delineate their developmental trajectory...
June 15, 2017: Cell
https://www.readbyqxmd.com/read/28621617/intrathoracic-meningocele-associated-with-neurofibromatosis-type-1-and-a-novel-technique-for-surgical-repair-case-report
#16
Paramita Das, Tarini Goyal, Matthew A Hunt
Neurofibromatosis Type 1 (NF1) is a neurocutaneous disorder that can have associated spinal abnormalities related to both bone and dural dysplasia. Thoracic meningoceles are one spine anomaly associated with NF1, although they are a fairly uncommon pathology. Surgical techniques to treat these meningoceles, usually undertaken only when the patient is symptomatic, are targeted at decreasing the size of the protrusion and improving lung capacity. Surgical interventions discussed in the literature include shunting the pseudomeningocele, primary repair with laminectomy, thoracoscopic plication, and reinforcement of the closure with cement, muscle, or fascia...
June 16, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28621412/the-not-so-long-history-of-zebrafish-research-in-israel
#17
Janna Blechman, Gil Levkowitz, Yoav Gothilf
The zebrafish has become a model of choice in fundamental and applied life sciences and is widely used in various fields of biomedical research as a human disease model for cancer, metabolic and neurodegenerative diseases, and regenerative medicine. The transparency of the zebrafish embryo allows real-time visualization of the development and morphogenesis of practically all of its tissues and organs. Zebrafish are amenable to genetic manipulation, for which innovative genetic and molecular techniques are constantly being introduced...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/28619367/the-vasoprotective-axes-of-the-renin-angiotensin-system-physiological-relevance-and-therapeutic-implications-in-cardiovascular-hypertensive-and-kidney-diseases
#18
REVIEW
Xiao C Li, Jianfeng Zhang, Jia L Zhuo
The renin-angiotensin system (RAS) is undisputedly one of the most prominent endocrine (tissue-to-tissue), paracrine (cell-to-cell) and intracrine (intracellular/nuclear) vasoactive systems in the physiological regulation of neural, cardiovascular, blood pressure, and kidney function. The importance of the RAS in the development and pathogenesis of cardiovascular, hypertensive and kidney diseases has now been firmly established in clinical trials and practice using renin inhibitors, angiotensin-converting enzyme (ACE) inhibitors, type 1 (AT1) angiotensin II (ANG II) receptor blockers (ARBs), or aldosterone receptor antagonists as major therapeutic drugs...
June 12, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28619277/non-invasive-estimation-of-temperature-during-physiotherapeutic-ultrasound-application-using-the-average-gray-level-content-of-b-mode-images-a-metrological-approach
#19
André V Alvarenga, Volker Wilkens, Olga Georg, Rodrigo P B Costa-Félix
Healing therapies that make use of ultrasound are based on raising the temperature in biological tissue. However, it is not possible to heal impaired tissue by applying a high dose of ultrasound. The temperature of the tissue is ultimately the physical quantity that has to be assessed to minimize the risk of undesired injury. Invasive temperature measurement techniques are easy to use, despite the fact that they are detrimental to human well being. Another approach to assessing a rise in tissue temperature is to derive the material's general response to temperature variations from ultrasonic parameters...
June 12, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28619088/chemokine-signals-are-crucial-for-enhanced-homing-and-differentiation-of-circulating-osteoclast-progenitor-cells
#20
Alan Sucur, Zrinka Jajic, Marinko Artukovic, Marina Ikic Matijasevic, Branimir Anic, Darja Flegar, Antonio Markotic, Tomislav Kelava, Sanja Ivcevic, Natasa Kovacic, Vedran Katavic, Danka Grcevic
BACKGROUND: The peripheral blood (PB) monocyte pool contains osteoclast progenitors (OCPs), which contribute to osteoresorption in inflammatory arthritides and are influenced by the cytokine and chemokine milieu. We aimed to define the importance of chemokine signals for migration and activation of OCPs in rheumatoid arthritis (RA) and psoriatic arthritis (PsA). METHODS: PB and, when applicable, synovial fluid (SF) samples were collected from 129 patients with RA, 53 patients with PsA, and 110 control patients in parallel to clinical parameters of disease activity, autoantibody levels, and applied therapy...
June 15, 2017: Arthritis Research & Therapy
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