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https://www.readbyqxmd.com/read/29777677/usherin-defects-lead-to-early-onset-retinal-dysfunction-in-zebrafish
#1
Margo Dona, Ralph Slijkerman, Kimberly Lerner, Sanne Broekman, Jeremy Wegner, Taylor Howat, Theo Peters, Lisette Hetterschijt, Nando Boon, Erik de Vrieze, Nasrin Sorusch, Uwe Wolfrum, Hannie Kremer, Stephan Neuhauss, Jingjing Zang, Maarten Kamermans, Monte Westerfield, Jennifer Phillips, Erwin van Wijk
Mutations in USH2A are the most frequent cause of Usher syndrome and autosomal recessive nonsyndromic retinitis pigmentosa. To unravel the pathogenic mechanisms underlying USH2A-associated retinal degeneration and to evaluate future therapeutic strategies that could potentially halt the progression of this devastating disorder, an animal model is needed. The available Ush2a knock-out mouse model does not mimic the human phenotype, because it presents with only a mild and late-onset retinal degeneration. Using CRISPR/Cas9-technology, we introduced protein-truncating germline lesions into the zebrafish ush2a gene (ush2armc1 : c...
May 16, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29725592/urinary-virome-perturbations-in-kidney-transplantation
#2
Tara K Sigdel, Neil Mercer, Sharvin Nandoe, Carrie D Nicora, Kristin Burnum-Johnson, Wei-Jun Qian, Minnie M Sarwal
The human microbiome is important for health and plays a role in essential metabolic functions and protection from certain pathogens. Conversely, dysbiosis of the microbiome is seen in the context of various diseases. Recent studies have highlighted that a complex microbial community containing hundreds of bacteria colonizes the healthy urinary tract, but little is known about the human urinary viruses in health and disease. To evaluate the human urinary virome in the context of kidney transplantation (tx), variations in the composition of the urinary virome were evaluated in urine samples from normal healthy volunteers as well as patients with kidney disease after they had undergone kidney tx...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29609460/retraction-of-on-demand-guided-bone-regeneration-with-microbial-protection-of-ornamented-spu-scaffold-with-bismuth-doped-single-crystalline-hydroxyapatite-augmentation-and-cartilage-formation
#3
M Selvakumar, Priyanka Srivastava, Harpreet Singh Pawar, Nimmy K Francis, Bodhisatwa Das, G Sathishkumar, Bhuvaneshwaran Subramanian, Saravana Kumar Jaganathan, Gibin George, S Anandhan, Santanu Dhara, Golok B Nando, Santanu Chattopadhyay
No abstract text is available yet for this article.
April 3, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29593570/distinct-ecg-phenotypes-identified-in-hypertrophic-cardiomyopathy-using-machine-learning-associate-with-arrhythmic-risk-markers
#4
Aurore Lyon, Rina Ariga, Ana Mincholé, Masliza Mahmod, Elizabeth Ormondroyd, Pablo Laguna, Nando de Freitas, Stefan Neubauer, Hugh Watkins, Blanca Rodriguez
Aims: Ventricular arrhythmia triggers sudden cardiac death (SCD) in hypertrophic cardiomyopathy (HCM), yet electrophysiological biomarkers are not used for risk stratification. Our aim was to identify distinct HCM phenotypes based on ECG computational analysis, and characterize differences in clinical risk factors and anatomical differences using cardiac magnetic resonance (CMR) imaging. Methods: High-fidelity 12-lead Holter ECGs from 85 HCM patients and 38 healthy volunteers were analyzed using mathematical modeling and computational clustering to identify phenotypic subgroups...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29484112/evidence-that-pp2a-activity-is-dispensable-for-spindle-assembly-checkpoint-dependent-control-of-cdk1
#5
Nando Cervone, Rosa Della Monica, Angela Flavia Serpico, Cinzia Vetrei, Mario Scaraglio, Roberta Visconti, Domenico Grieco
Progression through mitosis, the cell cycle phase deputed to segregate replicated chromosomes, is granted by a protein phosphorylation wave that follows an activation-inactivation cycle of cyclin B-dependent kinase (Cdk) 1, the major mitosis-promoting enzyme. To ensure correct chromosome segregation, the safeguard mechanism spindle assembly checkpoint (SAC) delays Cdk1 inactivation by preventing cyclin B degradation until mitotic spindle assembly. At the end of mitosis, reversal of bulk mitotic protein phosphorylation, downstream Cdk1 inactivation, is required to complete mitosis and crucially relies on the activity of major protein phosphatases like PP2A...
January 26, 2018: Oncotarget
https://www.readbyqxmd.com/read/29442904/self-assembled-tea-tannin-graft-copolymer-as-nanocarriers-for-antimicrobial-drug-delivery-and-wound-healing-activity
#6
Denial Mahata, Ahindra Nag, Golok B Nando, Santi M Mandal, Octavio L Franco
Green chemistry polymers from renewable resources have recently received much more attention from pharmaceutical researchers. However, the appropriate application of a polymer depends on its chemical nature, biocompatibility and microstructure. Here, tannin polyphenols from the common beverage, tea, are used to develop a novel self-assembled porous capsule as a microstructure of hydrogel for versatile biological applications, such as drug delivery, antioxidant and wound healing activity. Hydrogel has been successfully used for the delivery of both anticancer and antimicrobial drugs...
April 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29167977/thoracic-epidural-haematoma-due-to-a-subclavian-steal-syndrome-and-secondary-formed-thoracic-collateral-circuits-coincidence-or-consequence-a-case-report
#7
Ravian K R W Wettstein, Bas F W van der Kallen, Wouter A Moojen, Rishi Nandoe Tewarie
Despite profound diagnostics, the aetiology of spinal epidural haematoma (SEH) often remains unknown. In this case, diagnostics revealed an SEH at the fifth and sixth thoracic levels due to a subclavian steal syndrome with a tortuous vascular loop between the sixth thoracic intercostal artery and the costocervical arteries deriving from the left subclavian artery with plump arteries in the epidural space. The patient underwent decompression surgery and a percutaneous transluminal angioplasty. The patient showed good recovery at follow-up...
January 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28615060/outcome-of-proximal-esophageal-cancer-after-definitive-combined-chemo-radiation-a-swiss-multicenter-retrospective-study
#8
Evelyn Herrmann, Nando Mertineit, Berardino De Bari, Laura Hoeng, Francesca Caparotti, Dominic Leiser, Raphael Jumeau, Nikola Cihoric, Alexandra D Jensen, Daniel M Aebersold, Mahmut Ozsahin
OBJECTIVE: To report oncological outcomes and toxicity rates, of definitive platin-based chemoradiadiationtherapy (CRT) in the management of proximal esophageal cancer. METHODS: We retrospectively reviewed the medical records of patients with cT1-4 cN0-3 cM0 cervical esophageal cancer (CEC) (defined as tumors located below the inferior border of the cricoid cartilage, down to 22 cm from the incisors) treated between 2004 and 2013 with platin-based definitive CRT in four Swiss institutions...
June 14, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28494767/intestinal-differentiated-mucinous-adenocarcinoma-of-the-endometrium-with-sporadic-msi-high-status-a-case-report
#9
Mafalda Trippel, Sara Imboden, Andrea Papadia, Michael D Mueller, Nando Mertineit, Kirsi Härmä, Alina Nicolae, Erik Vassella, Tilman T Rau
BACKGROUND: Intestinal differentiation of primary mucinous adenocarcinoma of the uterine corpus is exceedingly rare in comparison to the approximately 25% rate in endocervical and ovarian mucinous carcinoma. Additionally, little is known about the related genetic and epigenetic alterations, even though large-scale molecular characterisation of the different types of endometrial cancer took place in the TCGA project along the entities defined by the recent WHO classification. CASE PRESENTATION: We present a 62-year-old patient harbouring a primary mucinous carcinoma of the uterine corpus with a morphological resemblance to mucinous colorectal adenocarcinoma...
May 12, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28401944/lignin-graft-polyoxazoline-conjugated-triazole-a-novel-anti-infective-ointment-to-control-persistent-inflammation
#10
Denial Mahata, Malabendu Jana, Arundhuti Jana, Abhishek Mukherjee, Nibendu Mondal, Tilak Saha, Subhajit Sen, Golok B Nando, Chinmay K Mukhopadhyay, Ranadhir Chakraborty, Santi M Mandal
Lignin, one of the most abundant renewable feedstock, is used to develop a biocompatible hydrogel as anti-infective ointment. A hydrophilic polyoxazoline chain is grafted through ring opening polymerization, possess homogeneous spherical nanoparticles of 10-15 nm. The copolymer was covalently modified with triazole moiety to fortify the antimicrobial and antibiofilm activities. The hydrogel was capable of down regulating the expression level of IL-1β in LPS induced macrophage cells, and to cause significant reduction of iNOS production...
April 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28025903/antibacterial-coating-on-in-line-suction-respiratory-catheter-to-inhibit-the-bacterial-biofilm-formation-using-renewable-cardanyl-methacrylate-copolymer
#11
Denial Mahata, Ahindra Nag, Santi M Mandal, Golok B Nando
Health-care materials associated with infections are very common in hospital admitted patients. There are generally infected by contact with the catheter or other multipurpose devices which are contacted with microbes. The respiratory infections associated with the pathogens having strong biofilm forming ability on catheter surface, causes life-threatening in every year. Therefore, a catheter coating material is of great interest which inhibits the biofilm formation of pathogens on a catheter to prevent respiratory infections...
March 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/27770854/effectiveness-of-intracavernous-delivery-of-recombinant-human-hepatocyte-growth-factor-on-erectile-function-in-the-streptozotocin-induced-diabetic-mouse
#12
Nando Dulal Das, Guo Nan Yin, Min Ji Choi, Kang-Moon Song, Jin-Mi Park, Anita Limanjaya, Kalyan Ghatak, Nguyen Nhat Minh, Jiyeon Ock, Soo-Hwan Park, Ho Min Kim, Ji-Kan Ryu, Jun-Kyu Suh
INTRODUCTION: Diabetic erectile dysfunction is a disease mostly of vascular origin and men with diabetic erectile dysfunction respond poorly to oral phosphodiesterase-5 inhibitors. Hepatocyte growth factor (HGF) is a pleiotropic factor that plays an essential role in the regulation of cell proliferation, survival, and angiogenesis. AIM: To determine the effectiveness of recombinant human (rh)-HGF in restoring erectile function in diabetic mice. METHODS: Four groups of mice were used: control non-diabetic mice and streptozotocin-induced diabetic mice receiving two successive intracavernous injections of phosphate buffered saline (days -3 and 0), a single intracavernous injection of rh-HGF (day 0), or two successive intracavernous injections of rh-HGF (days -3 and 0)...
November 2016: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/27746269/genetic-instability-cpg-island-methylator-phenotype-and-proliferative-activity-are-distinct-differences-between-diminutive-and-small-tubular-adenoma-of-the-colorectum
#13
COMPARATIVE STUDY
Yoshiki Nando, Jiro Watari, Chiyomi Ito, Ken Hara, Takahisa Yamasaki, Takuya Okugawa, Takashi Kondo, Tomoaki Kono, Katsuyuki Tozawa, Toshihiko Tomita, Yoshio Ohda, Tadayuki Oshima, Hirokazu Fukui, Nagahide Matsubara, Naohiro Tomita, Seiichi Hirota, Hiroto Miwa
It is recommended that small (6-10 mm) lesions be treated with endoscopic resection (ER), whereas diminutive (≤5 mm) lesions are not currently an indication for ER according to the Japanese guidelines. The aim of this study was to evaluate the molecular alterations, and therefore treatment indications, in diminutive versus small tubular adenoma (TA). We prospectively analyzed genetic instability, including microsatellite instability and loss of heterozygosity, methylation status, KRAS/BRAF mutations, and Ki-67 staining in 96 TAs without a villous component...
February 2017: Human Pathology
https://www.readbyqxmd.com/read/27369868/the-outcome-of-treatment-of-chronic-osteomyelitis-according-to-an-integrated-approach
#14
Leonard C Marais, Nando Ferreira, Colleen Aldous, Theo L B Le Roux
Previous classification systems of chronic osteomyelitis have failed to provide objective and pragmatic guidelines for selection of the appropriate treatment strategy. In this study, we assessed the short-term treatment outcome in adult patients with long-bone chronic osteomyelitis prospectively where a modified host classification system was integrated with treatment strategy selection through a novel management algorithm. Twenty-six of the 28 enrolled patients were available for follow-up at a minimum of 12 months...
August 2016: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/27344426/two-stage-reconstruction-of-septic-non-union-of-the-humerus-with-the-use-of-circular-external-fixation
#15
Nando Ferreira, Leonard Charles Marais, Charles Serfontein
Achieving quiescence in chronic osteomyelitis remains challenging. Wide resection of all infected and necrotic tissues improves the chances of achieving remission of the disease. Extensive debridement however decreases the already compromised bone stock that increases the complexity of reconstruction. We report on the outcome of eight patients with Cierny and Mader stage IV chronic osteomyelitis of the humerus who underwent debridement followed by bone graft and circular fixator application as a second stage procedure...
August 2016: Injury
https://www.readbyqxmd.com/read/27047221/mechanobiology-in-the-management-of-mobile-atrophic-and-oligotrophic-tibial-nonunions
#16
Nando Ferreira, Leonard Charles Marais, Colleen Aldous
BACKGROUND: Recent research indicates that atrophic nonunions are biologically active and may heal in the optimal biomechanical environment. METHODS: Thirty-three patients with mobile atrophic and oligotrophic tibial nonunions were treated with circular external fixation and functional rehabilitation. Seven patients required autogenous bone graft procedures. RESULTS: Bony union was achieved after the initial surgery in 31/33 (93.9%) tibias...
December 2015: Journal of Orthopaedics
https://www.readbyqxmd.com/read/26799576/on-demand-guided-bone-regeneration-with-microbial-protection-of-ornamented-spu-scaffold-with-bismuth-doped-single-crystalline-hydroxyapatite-augmentation-and-cartilage-formation
#17
M Selvakumar, Priyanka Srivastava, Harpreet Singh Pawar, Nimmy K Francis, Bodhisatwa Das, G Sathishkumar, Bhuvaneshwaran Subramanian, Saravana Kumar Jaganathan, Gibin George, S Anandhan, Santanu Dhara, Golok B Nando, Santanu Chattopadhyay
Guided bone regeneration (GBR) scaffolds are futile in many clinical applications due to infection problems. In this work, we fabricated GBR with an anti-infective scaffold by ornamenting 2D single crystalline bismuth-doped nanohydroxyapatite (Bi-nHA) rods onto segmented polyurethane (SPU). Bi-nHA with high aspect ratio was prepared without any templates. Subsequently, it was introduced into an unprecedented synthesized SPU matrix based on dual soft segments (PCL-b-PDMS) of poly(ε-caprolactone) (PCL) and poly(dimethylsiloxane) (PDMS), by an in situ technique followed by electrospinning to fabricate scaffolds...
February 17, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/26653855/fcp1-phosphatase-controls-greatwall-kinase-to-promote-pp2a-b55-activation-and-mitotic-progression
#18
Rosa Della Monica, Roberta Visconti, Nando Cervone, Angela Flavia Serpico, Domenico Grieco
During cell division, progression through mitosis is driven by a protein phosphorylation wave. This wave namely depends on an activation-inactivation cycle of cyclin B-dependent kinase (Cdk) 1 while activities of major protein phosphatases, like PP1 and PP2A, appear directly or indirectly repressed by Cdk1. However, how Cdk1 inactivation is coordinated with reactivation of major phosphatases at mitosis exit still lacks substantial knowledge. We show here that activation of PP2A-B55, a major mitosis exit phosphatase, required the phosphatase Fcp1 downstream Cdk1 inactivation in human cells...
2015: ELife
https://www.readbyqxmd.com/read/26587373/pre-treatment-serum-lactate-dehydrogenase-and-alkaline-phosphatase-as-predictors-of-metastases-in-extremity-osteosarcoma
#19
Leonard C Marais, Julia Bertie, Reitze Rodseth, Benn Sartorius, Nando Ferreira
BACKGROUND: The prognosis of patients with metastatic osteosarcoma remains poor. However, the chance of survival can be improved by surgical resection of all metastases. In this study we investigate the value of serum alkaline phosphatase (ALP) and lactate dehydrogenase (LDH) in predicting the presence of metastatic disease at time of diagnosis. METHODS: Sixty-one patients with histologically confirmed conventional osteosarcoma of the extremity were included in the study...
September 2015: Journal of Bone Oncology
https://www.readbyqxmd.com/read/26582142/dual-transcriptome-sequencing-reveals-resistance-of-tlr4-ligand-activated-bone-marrow-derived-macrophages-to-inflammation-mediated-by-the-bet-inhibitor-jq1
#20
Amitabh Das, Jin Choul Chai, Chul-Su Yang, Young Seek Lee, Nando Dulal Das, Kyoung Hwa Jung, Young Gyu Chai
Persistent macrophage activation is associated with the expression of various pro-inflammatory genes, cytokines and chemokines, which may initiate or amplify inflammatory disorders. A novel synthetic BET inhibitor, JQ1, was proven to exert immunosuppressive activities in macrophages. However, a genome-wide search for JQ1 molecular targets has not been undertaken. The present study aimed at evaluating the anti-inflammatory function and underlying genes that are targeted by JQ1 in LPS-stimulated primary bone marrow-derived macrophages (BMDMs) using global transcriptomic RNA sequencing and quantitative real-time PCR...
2015: Scientific Reports
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