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https://www.readbyqxmd.com/read/29761210/biochemical-properties-of-bacterial-reverse-transcriptase-related-rvt-gene-products-multimerization-protein-priming-and-nucleotide-preference
#1
Irina A Yushenova, Irina R Arkhipova
Cellular reverse transcriptase-related (rvt) genes represent a novel class of reverse transcriptases (RTs), which are only distantly related to RTs of retrotransposons and retroviruses, but, similarly to telomerase RTs, are immobilized in the genome as single-copy genes. They have been preserved by natural selection throughout the evolutionary history of large taxonomic groups, including most fungi, a few plants and invertebrates, and even certain bacteria, being the only RTs present across different domains of life...
May 14, 2018: Current Genetics
https://www.readbyqxmd.com/read/29710433/remnant-vital-tissue-following-locoregional-therapy-for-hepatocellular-carcinoma-another-player-in-the-game
#2
Angel Rubin, Marina Berenguer
The applicability of liver transplantation (LT) as a curative option for patients with hepatocellular carcinoma (HCC) is limited by organ shortage. In addition to tumor size and number, other variables, particularly those that are surrogates of tumor biology should be incorporated into the allocation policies to improve the estimation of post-LT benefit. In this issue of Transplant International, Manzia et al. analyze the role of remnant vital tissue (RVT) of the target lesion after locoregional therapies (LRT) in predicting post-LT HCC recurrence This article is protected by copyright...
April 30, 2018: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/29624811/bilateral-adrenal-hemorrhage-in-a-neonatal-kidney-donor
#3
Sonsoles Martinez-Lopez, Imeshi Wijetunga, Clare Ecuyer, Niaz Ahmad
EKT from neonatal donors remains rare despite successful outcome being reported. The surgical aspects of neonatal abdominal organ recovery remain unfamiliar to the vast majority of abdominal organ recovery teams and renal transplant surgeons. BAH is not uncommon in newborn babies suffering distress in the perinatal period. BAH is often also associated with RVT and will impact on utilization of kidneys for transplantation. We present a case of a neonatal kidney donor with massive BAHs discovered at the time of organ recovery...
April 6, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29622068/-renal-venous-thrombosis-as-a-complication-of-nephrotic-syndrome
#4
Nata Kermanian, Kaj Aage Hansen
Venous thromboembolism is a very common complication of nephrotic syndrome (NS). This case report concerns a 19-year-old male, who had known NS and was admitted two times in a short period, first presenting with recurrent symptoms of NS and later with an acute abdomen, which was diagnosed as renal venous thrombosis (RVT) and pulmonary thromboembolism. The patient was treated with prednisolone and therapeutic doses of dalteparin and warfarin. Venous thrombosis, particularly RVT and pulmonary thromboembolism, should be considered in patients with NS...
April 2, 2018: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/29572974/impact-of-remnant-vital-tissue-after-locoregional-treatment-and-liver-transplant-in-hepatocellular-cancer-patients-a-multi-centre-cohort-study
#5
Tommaso M Manzia, Quirino Lai, Samuele Iesari, M Thamara P R Perera, Mina Komuta, Amanda Carvalheiro, Tahir Shah, Roberta Angelico, Claudia Quaranta, Daniele Nicolini, Roberto Montalti, Marina Scarpelli, Giampiero Palmieri, Antonio Orlacchio, Marco Vivarelli, Mario Angelico, Jan Lerut, Giuseppe Tisone
The role of pathological findings after loco-regional treatments as predictors of hepatocellular cancer recurrence after liver transplantation has been poorly addressed. The aim of the study was to identify the role of remnant vital tissue (RVT) of the target lesion in predicting hepatocellular cancer recurrence. Two hundred seventy six patients firstly undergoing loco regional treatment and then transplanted between Jan2010-Dec2015 in four European Transplant Centres (i.e., Rome Tor Vergata, Birmingham, Brussels and Ancona) were enrolled in the study in order to investigate the role of pathological response at upfront loco regional treatment...
March 23, 2018: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/29568369/therapeutic-significance-of-targeting-survivin-in-cervical-cancer-and-possibility-of-combination-therapy-with-trail
#6
Hiroe Nakamura, Ayumi Taguchi, Kei Kawana, Satoshi Baba, Akira Kawata, Mitsuyo Yoshida, Asaha Fujimoto, Juri Ogishima, Masakazu Sato, Tomoko Inoue, Haruka Nishida, Hitomi Furuya, Aki Yamashita, Satoko Eguchi, Kensuke Tomio, Mayuyo Mori-Uchino, Katsuyuki Adachi, Takahide Arimoto, Osamu Wada-Hiraike, Katsutoshi Oda, Takeshi Nagamatsu, Yutaka Osuga, Tomoyuki Fujii
Loss of p53 function due to human papillomavirus (HPV) infection induces resistance to apoptosis in cervical cancer cells. Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL), which induces apoptosis in a p53-independent manner, may provide an alternative strategy for treating cervical cancer. Survivin, an antiapoptotic protein that is highly expressed in cancer cells, regulates apoptosis and the cell cycle. Here, we investigated the therapeutic potential of targeting survivin, while focusing on the TRAIL-induced apoptosis pathway...
March 2, 2018: Oncotarget
https://www.readbyqxmd.com/read/29536321/assessment-of-remote-myocardium-heterogeneity-in-patients-with-ventricular-tachycardia-using-texture-analysis-of-late-iodine-enhancement-lie-cardiac-computed-tomography-cct-images
#7
Antonio Esposito, Anna Palmisano, Sofia Antunes, Caterina Colantoni, Paola Maria Vittoria Rancoita, Davide Vignale, Francesca Baratto, Paolo Della Bella, Alessandro Del Maschio, Francesco De Cobelli
PURPOSE: Diffuse remodeling of myocardial extra-cellular matrix is largely responsible for left ventricle (LV) dysfunction and arrhythmias. Our hypothesis is that the texture analysis of late iodine enhancement (LIE) cardiac computed tomography (cCT) images may improve characterization of the diffuse extra-cellular matrix changes. Our aim was to extract volumetric extracellular volume (ECV) and LIE texture features of non-scarred (remote) myocardium from cCT of patients with recurrent ventricular tachycardia (rVT), and to compare these radiomic features with LV-function, LV-remodeling, and underlying cardiac disease...
March 13, 2018: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/29416285/a-rare-case-of-renal-vein-thrombosis-secondary-to-klebsiella-pneumoniae-pyelonephritis
#8
Kelly L Lurz, Dany N Hanna, Brian H McGreen, Francis J Schanne
Renal vein thrombosis (RVT) is most often an implication of nephrotic syndrome. Pyelonephritis has been associated at a much lower rate, with the incidence of Klebsiella pneumoniae causation being extremely rare. In our case, a 35-year-old female patient presented with right-sided K. pneumoniae -positive acute pyelonephritis complicated by perinephric abscess and renal vein thrombosis. She was successfully treated with anticoagulation and extended antibiotic therapy. The possibility of RVT in patients with K...
January 2018: Urology Annals
https://www.readbyqxmd.com/read/29385102/preventive-effects-of-resveratrol-on-endocannabinoid-system-and-synaptic-protein-modifications-in-rat-cerebral-cortex-challenged-by-bilateral-common-carotid-artery-occlusion-and-reperfusion
#9
Gianfranca Carta, Laura Poddighe, Maria Pina Serra, Marianna Boi, Tiziana Melis, Sara Lisai, Elisabetta Murru, Laura Muredda, Maria Collu, Sebastiano Banni, Marina Quartu
This study aims to evaluate the putative roles of a single acute dose of resveratrol (RVT) in preventing cerebral oxidative stress induced by bilateral common carotid artery occlusion, followed by reperfusion (BCCAO/R) and to investigate RVT's ability to preserve the neuronal structural integrity. Frontal and temporal-occipital cortices were examined in two groups of adult Wistar rats, sham-operated and submitted to BCCAO/R. In both groups, 6 h before surgery, half the rats were gavage-fed with a single dose of RVT (40 mg/per rat in 300 µL of sunflower oil as the vehicle), while the second half received the vehicle alone...
January 31, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29326488/resveratrol-prevents-liver-fibrosis-via-two-possible-pathways-modulation-of-alpha-fetoprotein-transcriptional-levels-and-normalization-of-protein-kinase-c-responses
#10
Alyaa Farouk Hessin, Rehab Rehab Hegazy, Azza Ahmed Hassan, Nemat Zakaria Yassin, Sanaa Abdel-Baky Kenawy
OBJECTIVE: Liver fibrosis is a global health problem that causes approximately 1.4 million deaths per year. It is associated with inflammation, oxidative stress, necrosis and ends with cirrhosis, liver cancer, or liver failure. Therefore, the present study was constructed to investigate the protective effect of resveratrol (RVT) on liver fibrosis, focusing on the possible involvement of alpha 1-fetoprotein and protein kinase C signaling. MATERIALS AND METHODS: Rats received thioacetamide (TAA) (200 mg/kg, intraperitoneal) twice weekly, for 4 successive weeks to induce liver fibrosis...
July 2017: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/29319779/recovery-of-renal-function-after-bilateral-renal-vein-thrombo-sis-episode-as-complication-of-membranous-glomerulopa-thy-case-report
#11
Ana Larissa Pedrosa Ximenes, Elizabeth De Francesco Daher, Pedro Duarte Barreto Castillo, Francisco Eduardo Siqueira da Rocha, Camila Freire Salem de Miranda, Flavio Bezerra de Araujo
Renal vein thrombosis (RVT) is a complication often associated with nephrotic syndrome. It occurs due to a state of hypercoagulability common in the diseases that attend to this syndromic diagnosis. It should be suspected whenever there is nephrotic syndrome associated with sudden flank pain, hematuria and worsening of proteinuria. Bilateral RVT also presents with frequently oliguric renal dysfunction. This case reports a 33-year-old patient hospitalized for a nephrotic syndrome, with etiologic investigation suggestive of primary membranous glomerulopathy, which evolved with bilateral RVT associated with deterioration of renal function and need for renal replacement therapy...
October 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29226689/simultaneous-multislice-resting-state-functional-magnetic-resonance-imaging-at-3-tesla-slice-acceleration-related-biases-in-physiological-effects
#12
Ali M Golestani, Zahra Faraji-Dana, Mohammad Kayvanrad, Kawin Setsompop, Simon J Graham, J Jean Chen
Simultaneous multislice echo-planar imaging (SMS-EPI) can enhance the spatiotemporal resolution of resting-state functional MRI (rs-fMRI) by encoding and simultaneously imaging "groups" of slices. However, phenomena, including respiration, cardiac pulsatility, respiration volume per time (RVT), and cardiac rate variation (CRV), referred to as "physiological processes," impact SMS-EPI rs-fMRI in a manner that is yet to be well characterized. In particular, physiological noise may incur aliasing and introduce spurious signals from one slice into another within the "slice group" in rs-fMRI data, resulting in a deleterious effect on resting-state functional connectivity MRI (rs-fcMRI) maps...
January 22, 2018: Brain Connectivity
https://www.readbyqxmd.com/read/29104258/epigenetic-regulatory-mechanisms-induced-by-resveratrol
#13
REVIEW
Guilherme Felipe Santos Fernandes, Gabriel Dalio Bernardes Silva, Aline Renata Pavan, Diego Eidy Chiba, Chung Man Chin, Jean Leandro Dos Santos
Resveratrol (RVT) is one of the main natural compounds studied worldwide due to its potential therapeutic use in the treatment of many diseases, including cancer, diabetes, cardiovascular diseases, neurodegenerative diseases and metabolic disorders. Nevertheless, the mechanism of action of RVT in all of these conditions is not completely understood, as it can modify not only biochemical pathways but also epigenetic mechanisms. In this paper, we analyze the biological activities exhibited by RVT with a focus on the epigenetic mechanisms, especially those related to DNA methyltransferase (DNMT), histone deacetylase (HDAC) and lysine-specific demethylase-1 (LSD1)...
November 1, 2017: Nutrients
https://www.readbyqxmd.com/read/29097267/spontaneous-neonatal-renal-vein-thromboses-should-we-treat-them-all-a-report-of-five-cases-and-a-literature-review
#14
François Niada, René Tabin, Simon Kayemba-Kay's
Renal vein thrombosis (RVT) is a rare but well-known neonatal entity for which several therapeutic modalities are reported in the literature because of the lack of consensus management guidelines. POPULATION AND METHODS: A retrospective study of the medical records of children managed between January 1990 and December 2013, and whose final diagnosis was RVT. The diagnosis was initially clinical and subsequently confirmed by the abdominal ultrasonography (AUS) and Doppler imaging if necessary...
October 9, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/29068253/topical-e6005-rvt-501-a-novel-phosphodiesterase-4-inhibitor-for-the-treatment-of-atopic-dermatitis
#15
REVIEW
Masutaka Furue, Takafumi Kadono, Gaku Tsuji, Takeshi Nakahara
Local adverse effects of steroid use and the burning sensation of calcineurin inhibitors impair patients' adherence to treatment and decrease the treatment response in atopic dermatitis (AD). Steroid phobia appears to be a psychological problem in patients with AD. Topical non-steroidal remedies are in demand. Areas covered: This manuscript reviews the current literature on preclinical and clinical studies regarding topical E6005/RVT-501, a novel phosphodiesterase 4 inhibitor. We also discuss the mechanistic background of E6005/RVT-501 in the treatment of AD...
December 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/29051724/the-effect-of-low-frequency-physiological-correction-on-the-reproducibility-and-specificity-of-resting-state-fmri-metrics-functional-connectivity-alff-and-reho
#16
Ali M Golestani, Jonathan B Kwinta, Yasha B Khatamian, J Jean Chen
The resting-state fMRI (rs-fMRI) signal is affected by a variety of low-frequency physiological phenomena, including variations in cardiac-rate (CRV), respiratory-volume (RVT), and end-tidal CO2 (PETCO2 ). While these effects have become better understood in recent years, the impact that their correction has on the quality of rs-fMRI measurements has yet to be clarified. The objective of this paper is to investigate the effect of correcting for CRV, RVT and PETCO2 on the rs-fMRI measurements. Nine healthy subjects underwent a test-retest rs-fMRI acquisition using repetition times (TRs) of 2 s (long-TR) and 0...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28918617/right-ventricular-thrombosis-combined-with-fetal-death-and-acrocyanosis-in-pregnancy
#17
Feridoun Sabzi, Aghigh Heidari
Prepartum or postpartum right ventricular thrombosis (RVT) is an exceedingly rare and potentially lethal phenomenon in pregnancy. We here report a case of a pregnant patient with near term pregnancy admitted for dyspnea, amniotic fluids discharge and labor pain in a gynecology center that an eight-month dead fetus was diagnosed and delivered vaginally by induction. A post delivery period was complicated by aggravation of her dyspnea and pleuritic chest pain that she referred for further evaluation in our cardiac center...
July 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28741230/new-therapeutic-strategies-for-lewy-body-dementias
#18
REVIEW
Latha Velayudhan, Dominic Ffytche, Clive Ballard, Dag Aarsland
This article reviews current treatment strategies and recent advances for the Lewy body dementias (LBDs). Current available symptom treatment strategies are based on monoaminergic, cholinergic and glutaminergic neurotransmitter systems. Relatively robust evidence exists for cholinesterase inhibitors for cognitive impairment in LBD and in Parkinson's disease for antidepressants, clozapine and recently pimavanserin for psychosis. interpidine (RVT 101) and nelotanserin are currently under investigation. Non-pharmacological interventions, such as cognitive stimulation, physical exercises and neuromodulation strategies, may be useful in Parkinson's disease but have not yet been tested in dementias...
September 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28717824/follow-up-after-radical-vaginal-trachelectomy-rvt-patients-problems-and-physicians-difficulties
#19
Dorothee Speiser, Shazia Malik, Malgorzata Lanowska, Anne Bartens, Jens-Uwe Blohmer, Mandy Mangler
PURPOSE: Patients after radical vaginal trachelectomy (RVT) need specific follow-up treatment because their problems differ from those of other gyneco-oncologic patients. Anatomic changes after surgery complicate examinations. Recognition and treatment of these issues require physician's expertise. PATIENTS AND METHODS: We evaluated the follow-up data of 70 patients who underwent RVT for early cervical cancer between 03/2010 and 12/2013. The follow-up interval in the first 2 years was 3 and 6 months in the following 2 years...
July 17, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28693502/the-role-of-thrombectomy-and-diffusion-weighted-imaging-with-mri-in-post-transplant-renal-vein-thrombosis-a-case-report
#20
Paraish Misra, Anish Kirpalani, General Leung, Paraskevi A Vlachou, Jason Y Lee, Serge Jothy, Jeffrey Zaltzman, Darren A Yuen
BACKGROUND: Surgical thrombectomy in the context of acute renal vein thrombosis (RVT) post-transplantation has had limited success, with considerable variation in the surgical techniques used. Unfortunately, it is usually followed by allograft nephrectomy within a few days if rapid allograft recovery does not ensue. We report a case of acute RVT in which nephrectomy was not performed despite a prolonged requirement for dialysis post-thrombectomy, but with recovery of renal function 2 weeks later...
July 10, 2017: BMC Nephrology
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