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https://www.readbyqxmd.com/read/29925062/spleen-tyrosine-kinase-as-a-target-therapy-for-pseudomonas-aeruginosa-infection
#1
REVIEW
Alaa Alhazmi
Spleen tyrosine kinase (SYK) is a nonreceptor tyrosine kinase which associates directly with extracellular receptors, and is critically involved in signal transduction pathways in a variety of cell types for the regulation of cellular responses. SYK is expressed ubiquitously in immune and nonimmune cells, and has a much wider biological role than previously recognized. Several studies have highlighted SYK as a key player in the pathogenesis of a multitude of diseases. Pseudomonas aeruginosa is an opportunistic gram-negative pathogen, which is responsible for systemic infections in immunocompromised individuals, accounting for a major cause of severe chronic lung infection in cystic fibrosis patients and subsequently resulting in a progressive deterioration of lung function...
June 20, 2018: Journal of Innate Immunity
https://www.readbyqxmd.com/read/29925042/sirt2-promotes-the-migration-and-invasion-of-gastric-cancer-through-ras-erk-jnk-mmp-9-pathway-by-increasing-pepck1-related-metabolism
#2
Yang Li, Mingming Zhang, Robert G Dorfman, Yida Pan, Dehua Tang, Lei Xu, Zhenguo Zhao, Qian Zhou, Lixing Zhou, Yuming Wang, Yuyao Yin, Shanshan Shen, Bo Kong, Helmut Friess, Shimin Zhao, Lei Wang, Xiaoping Zou
Metastasis is the most important feature of gastric cancer (GC) and the most widely recognized reason for GC-related deaths. Unfortunately, the underlying mechanism behind this metastasis remains unknown. Mounting evidence suggests the dynamic regulatory role of sirtuin2 (SIRT2), a histone deacetylase (HDAC), in cell migration and invasion. The present study aims to evaluate the biological function of SIRT2 in GC and identify the target of SIRT2 as well as evaluate its therapeutic efficacy. We found that SIRT2 was upregulated in GC tissues compared to adjacent normal tissues, and this was correlated with reduced patient survival...
June 17, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29924980/behavioral-and-neurochemical-responses-derived-from-dopaminergic-intrastriatal-grafts-in-hemiparkinsonian-rats-engaged-in-a-novel-motor-task
#3
Parnit K Bhupal, Kevin A Anderson, Gabrielle P Shall, Jonathan D Lynn, Katrina S Hoolsema, Julien Rossignol, Gary L Dunbar, Michael I Sandstrom
BACKGROUND: Putative treatments derived from in-vivo stem cell transplant derived dopamine (DA) assessed with hemiparkinsonian rats have been assessed via DA-agonist-induced rotations involving imbalanced intra-hemispheric striatal DA receptor stimulation. However, such tests obscure the natural responses of grafts to sensory stimuli, and drug-induced plasticity can modify the circuit being tested. Thus, we propose an alternative testing strategy using a novel water tank swimming apparatus...
June 17, 2018: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29924941/therapeutic-targeting-of-vascular-remodeling-and-right-heart-failure-in-pah-with-hif-2%C3%AE-inhibitor
#4
Zhiyu Dai, Maggie M Zhu, Yi Peng, Narsa Machireddy, Colin E Evans, Roberto Machado, Xianming Zhang, You-Yang Zhao
RATIONALE: Pulmonary arterial hypertension (PAH) is a devastating disease characterized by progressive vasoconstriction and obliterative vascular remodeling that leads to right heart failure (RHF) and death. Current therapies do not target vascular remodeling and RHF, and only result in modest improvement of morbidity and mortality. OBJECTIVE: To determine whether targeting HIF-2α with a HIF-2α-selective inhibitor could reverse PAH and RHF in different rodent PAH models...
June 20, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29924772/-biological-aspects-and-clinical-application-of-bone-marrow-stem-cells-in-critical-lower-limb-ischaemia
#5
P Iu Orekhov, A V Troitskiĭ, A V Chupin
Critical lower-limb ischaemia (CLLI) is associated with high risk of limb loss and a lethal outcome, as well as with decreased quality of life. The underlying cause of the disease is imbalance between blood supply of ischaemized tissues and their metabolic demands. Restoration of adequate perfusion with the help of standard medicamentous therapy or operative treatment is often inefficient or impossible. Cell therapy (CT) is a novel strategy making it possible to stimulate the growth of the microvascular bed and the mechanisms of molecular-cellular repair...
2018: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/29924768/autologous-dental-pulp-mesenchymal-stem-cells-for-inferior-third-molar-post-extraction-socket-healing-a-split-mouth-randomised-clinical-trial
#6
L Barbier, E Ramos, J Mendiola, O Rodriguez, G Santamaria, J Santamaria, I Arteagoitia
BACKGROUND: Since the discovery of adult mesenchymal stem cells extensive research has been conducted to determine their mechanisms of differentiation and effectiveness in cell therapy and regenerative medicine. MATERIAL AND METHODS: To assess the efficacy of autologous dental pulp mesenchymal stem cells delivered in a collagen matrix for post-extraction socket healing, a single-centre, double-blind, randomised, split-mouth, controlled clinical trial was performed...
June 20, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29924748/granulomatous-tumoral-melanosis-associated-with-pembrolizumab-therapy-a-mimicker-of-disease-progression-in-metastatic-melanoma
#7
Randi Woodbeck, Andrei I Metelitsa, Karen A Naert
Immune checkpoint inhibitor therapy has revolutionized the treatment of advanced melanoma, with these agents significantly improving survival for patients with metastatic disease. With the increasing use of these agents, the number of adverse reactions secondary to their use has also increased. Sarcoidosis and sarcoid-like reactions are one such immune checkpoint inhibitor-related adverse event. We report a case of sarcoid-like granulomatous tumoral melanosis in a patient on the programmed cell death-1 (PD-1) receptor inhibitor pembrolizumab for metastatic melanoma...
July 2018: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29924741/a-hybridization-chain-reaction-amplification-strategy-for-fluorescence-imaging-of-human-telomerase-activity-in-living-cells
#8
Zhiqian Zhang, Changli Zhong, Taixian Yuan, Xiaoyan Zhou, Min Zhao, Husun Qian, Wei Cheng, Tingmei Chen
A hybridized chain reaction (HCR)-based biosensing method has been developed for the imaging detection of intracellular telomerase activity. The telomerase-targeting responder-transmitter DNA complex (HPT) consisting of telomerase primer sequence (HP) and a HCR initiator (trigger) is transfected into cell plasma. In the presence of telomerase, HPT can be recognized and extended, producing plenty of triggers which initiates HCR amplification reaction. Finally, a long nicked dsDNA with a lot of outstretched single chains was formed by hybridizing with Q of the reporter complex, generating an enhanced fluorescence signal...
June 20, 2018: Methods and Applications in Fluorescence
https://www.readbyqxmd.com/read/29924729/involvement-of-mitophagy-in-cisplatin-induced-cell-death-regulation
#9
Alibek Abdrakhmanov, Andrey V Kulikov, Ekaterina A Luchkina, Boris Zhivotovsky, Vladimir Gogvadze
Mitophagy, the selective degradation of mitochondria via the autophagic pathway, is a vital mechanism of mitochondrial quality control in cells. The removal of malfunctioning or damaged mitochondria is essential for normal cellular physiology and tissue development. Stimulation of mitochondrial permeabilization and release of proapoptotic factors from the intermembrane space is an essential step in triggering the mitochondrial pathway of cell death. In this study, we analyzed the extent to which mitophagy interferes with cell death, attenuating the efficiency of cancer therapy...
June 1, 2018: Biological Chemistry
https://www.readbyqxmd.com/read/29924717/case-259
#10
Decai Tian, Xiaodong Zhu, Rong Xue, Peng Zhao, Yuanrong Yao
History In November 2012, a previously healthy 31-year-old woman was admitted to our hospital with a 2-month history of right-sided numbness, diplopia, and intermittent nausea and dizziness. She did not have a history of fever, weight loss, headache, photophobia, seizure, or extremity weakness. Physical examination revealed left abduction limitation and right-sided hypoesthesia. Kernig and Brudzinski signs were absent, and pathergy test results were negative. Laboratory evaluation revealed normal complete and differential blood counts, normal serum chemistry, and normal immune function...
July 2018: Radiology
https://www.readbyqxmd.com/read/29924712/anticonvulsant-effect-of-dipropofol-by-enhancing-native-gaba-currents-in-cortical-neurons-in-mice
#11
Jingliang Zhang, Xiaoling Chen, Matti Kårbø, Yi Zhao, Long An, Rutao Wang, KeWei Wang, Zhuo Huang
Temporal lobe epilepsy (TLE), the most common pharmacoresistant focal epilepsy disorder, remains a major unmet medical need. Propofol is used as short-acting medication for general anesthesia and refractory status epilepticus with issues of decreased consciousness and memory loss. Dipropofol, a derivative of propofol, has been reported to exert antioxidative and antibacterial activities. Here we report that dipropofol exerted anticonvulsant activity in mouse model of kainic acid-induced seizures. Whole-cell patch clamp recordings of brain slices from the medial entorhinal cortex (mEC) revealed that dipropofol hyperpolarized the resting membrane potential and reduced the number of action potential firings, resulting in suppression of cortical neuronal excitability...
June 20, 2018: Journal of Neurophysiology
https://www.readbyqxmd.com/read/29924676/women-with-diffuse-large-b-cell-lymphoma-benefit-more-from-rituximab-containing-chemotherapy
#12
Huai-Hsuan Huang, Fei-Yuan Hsiao, Li-Ju Chen, Ho-Min Chen, Bor-Sheng Ko
BACKGROUND: Diffuse large B cell lymphoma (DLBCL) is the most common non-Hodgkin lymphoma. The treatment response and overall survival (OS) improved after incorporating rituximab with chemotherapies. Yet, available evidence as to whether women and men may benefit similarly from rituximab have not been adequately addressed, particularly in the real-world setting. The objective of this study was to examine sex differences in the clinical outcomes of rituximab in DLBCL patients using the Taiwan Cancer Registry Database and National Health Insurance Research Database...
June 20, 2018: Journal of Women's Health
https://www.readbyqxmd.com/read/29924498/microwave-ablation-with-continued-egfr-tyrosine-kinase-inhibitor-therapy-prolongs-disease-control-in-non-small-cell-lung-cancers-with-acquired-resistance-to-egfr-tyrosine-kinase-inhibitors
#13
Xin Li, Han Qi, Gou Qing, Ze Song, Lin Xie, Fei Cao, Xiaoming Chen, Weijun Fan
BACKGROUND: Although patients with EGFR-mutant non-small-cell lung cancer (NSCLC) benefit from treatment with EGFR-tyrosine kinase inhibitors (TKIs), outcomes are limited by the eventual development of acquired resistance. We conducted a retrospective study to evaluate the efficacy and feasibility of EGFR-TKI therapy beyond focal progression, associated with microwave ablation. METHODS: Patients with metastatic EGFR-mutant NSCLC treated with EGFR-TKIs at our institutions from May 2012 to December 2017 were identified...
June 20, 2018: Thoracic Cancer
https://www.readbyqxmd.com/read/29924454/prognostic-impact-of-doublecortin-like-kinase-1-expression-in-locally-advanced-rectal-cancer-treated-with-preoperative-chemoradiotherapy
#14
Yuzo Harada, Shinsuke Kazama, Teppei Morikawa, Shigenobu Emoto, Koji Murono, Manabu Kaneko, Kazuhito Sasaki, Kensuke Otani, Takeshi Nishikawa, Toshiaki Tanaka, Tomomichi Kiyomatsu, Kazushige Kawai, Keisuke Hata, Hiroaki Nozawa, Soichiro Ishihara, Toshiaki Watanabe
Preoperative chemoradiotherapy (CRT) is a standard therapy for locally advanced rectal cancer; however, the response varies depending on cases. Therefore, CRT-response predictors need to be elucidated. Cancer stem cells (CSCs), comprising a small part of tumors, are associated with tumor progression and recurrence due to their self-renewal and proliferation abilities. Doublecortin-like kinase 1 (DCLK1) is one of the several putative CSC markers; however, the clinical impact of its expression in rectal cancer has not been evaluated...
June 2018: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/29924417/inducible-nitric-oxide-synthase-inhibitor-1400w-increases-na-k-atpase-levels-and-activity-and-ameliorates-mitochondrial-dysfunction-in-ctns-null-kidney-proximal-tubular-epithelial-cells
#15
Rodolfo Sumayao, Philip Newsholme, Tara McMorrow
Nitric oxide (NO) has been shown to play an important role in renal physiology and pathophysiology partly through its influence on various transport systems in the kidney proximal tubule. The role of NO in the kidney dysfunction associated with the lysosomal storage disorder, cystinosis, is largely unknown. In the present study, the effects of iNOS-specific inhibitor, 1400W, on Na+ ,K+ -ATPase activity and expression, mitochondrial integrity and function, nutrient metabolism, and apoptosis were investigated in Ctns null proximal tubular epithelial cells (PTECs)...
June 20, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29924302/role-of-proteoglycans-and-glycosaminoglycans-in-duchenne-muscular-dystrophy
#16
Laurino Carmen, Vadala Maria, Julio Cesar Morales-Medina, Annamaria Vallelunga, Beniamino Palmieri, Tommaso Iannitti
Duchenne Muscular dystrophy (DMD) is an inherited fatal X-linked myogenic disorder with a prevalence of 1 in 3500 male live births. It affects voluntary muscles, and heart and breathing muscles. DMD is characterised by continuous degeneration and regeneration cycles resulting in extensive fibrosis and a progressive reduction in muscle mass. Since the identification of a reduction in dystrophin protein as the cause of this disorder, numerous innovative and experimental therapies, focusing on increasing the levels of dystrophin, have been proposed, but the clinical improvement has been unsatisfactory...
June 19, 2018: Glycobiology
https://www.readbyqxmd.com/read/29924135/exenatide-ameliorates-hepatic-steatosis-and-attenuates-fat-mass-and-fto-gene-expression-through-pi3k-signaling-pathway-in-nonalcoholic-fatty-liver-disease
#17
Shan Li, Xiaoman Wang, Jielei Zhang, Jingyi Li, Xiaogang Liu, Yuanyuan Ma, Chao Han, Lixia Zhang, Lili Zheng
Non-alcoholic fatty liver disease (NAFLD) is a common disease associated with metabolic syndrome and can lead to life-threatening complications like hepatic carcinoma and cirrhosis. Exenatide, a glucagon-like peptide-1 (GLP-1) receptor agonist antidiabetic drug, has the capacity to overcome insulin resistance and attenuate hepatic steatosis but the specific underlying mechanism is unclear. This study was designed to investigate the underlying molecular mechanisms of exenatide therapy on NAFLD. We used in vivo and in vitro techniques to investigate the protective effects of exenatide on fatty liver via fat mass and obesity associated gene (FTO) in a high-fat (HF) diet-induced NAFLD animal model and related cell culture model...
2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29924058/arthritis-of-large-joints-shown-as-a-rare-clinical-feature-of-cytokine-release-syndrome-after-chimeric-antigen-receptor-t-cell-therapy-a-case-report-erratum
#18
(no author information available yet)
No abstract text is available yet for this article.
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29924035/a-case-report-of-remission-of-refractory-membranous-nephropathy-progressing-to-stage-4-chronic-kidney-disease-using-low-dose-rituximab-a-long-term-follow-up
#19
Xu-Jie Zhou, Fu-De Zhou, Su-Xia Wang, Ming-Hui Zhao
RATIONALE: As suggested by the 2012 KDIGO guidelines, persistent elevation of serum creatinine > 3.5 mg/dl (> 309 μmol/l) (or an estimated glomerular filtration rate < 30 ml/min per 1.73 m is one of contradictions for the use of immunosuppressive therapy in membranous nephropathy. PATIENT CONCERNS: A 45-year-old man with membranous nephropathy negative for serum anti-phospholipase-A2-receptor antibody, showed no response to corticosteroids and cyclophosphamide...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29924004/diffuse-giant-cell-tumors-of-the-tendon-sheath-in-temporomandibular-joint-two-case-reports-and-review-of-the-literature
#20
Hong Yan, Furong Wang, Lin Xiang, Wei Zhu, Cheng Liang
RATIONALE: Diffuse giant cell tumors of the tendon sheath (GCT-TS) in the temporomandibular joint (TMJ) are extremely rare. PATIENT CONCERNS: We reported the imaging appearance and the pathological findings of 2 male cases with diffuse GCT-TS in the TMJ (52 years for the case 1 and 50 years for the case 2) who complain of the hearing disorders of left ear when presenting to our hospital. DIAGNOSIS: Preoperative computerized tomography (CT) scan revealed an irregular mass in the left temporal fossa with the sizes of approximately 5...
June 2018: Medicine (Baltimore)
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