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https://www.readbyqxmd.com/read/27919836/concomitant-hiatal-hernia-repair-with-laparoscopic-sleeve-gastrectomy-is-safe-analysis-of-the-acs-nsqip-database
#1
Hanaa N Dakour Aridi, Hani Tamim, Aurelie Mailhac, Bassem Y Safadi
BACKGROUND: Gastroesophageal acid reflux disease (GERD) is prevalent after laparoscopic sleeve gastrectomy (LSG), a common bariatric surgical procedure worldwide. Some studies have suggested that concomitant hiatal hernia repair (HHR) during LSG reduces the risk of GERD, but this has not been substantiated. Little is known about the safety of adding an HHR in this setting. The present study aims to compare 30-day morbidity and mortality and length of hospital stay between patients undergoing LSG alone and those undergoing LSG with HHR...
October 5, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/27909664/arthroscopic-assisted-lower-trapezius-tendon-transfer-for-massive-irreparable-posterior-superior-rotator-cuff-tears-surgical-technique
#2
Bassem T Elhassan, Eduard Alentorn-Geli, Andrew T Assenmacher, Eric R Wagner
Tendon transfer options to reconstruct a massive irreparable posterior-superior rotator cuff tear include latissimus dorsi, teres major, or lower trapezius transfer. We previously described the lower trapezius transfer using a 2-incision approach, which includes a medial incision to harvest the lower trapezius and lateral transacromial incision to expose the rotator cuff and then perform the transfer through a deep tunnel connecting these 2 sites. In this report, we describe an arthroscopic-assisted technique of lower trapezius transfer augmented with an Achilles tendon allograft to reconstruct an irreparable posterior-superior rotator cuff tear...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27901501/identification-and-characterization-of-peptidases-secreted-by-quahog-parasite-unknown-qpx-the-protistan-parasite-of-hard-clams
#3
Ewelina Rubin, Glenn T Werneburg, Emmanuelle Pales Espinosa, David G Thanassi, Bassem Allam
Quahog parasite unknown (QPX) is a protistan parasite capable of causing deadly infections in the hard clam Mercenaria mercenaria, one of the most valuable shellfish species in the USA. QPX is an extracellular parasite found mostly in the connective tissue of clam mantle and, in more severe cases of infection, other clam organs. Histopathologic examinations revealed that QPX cells within clam tissues are typically surrounded by hollow areas that have been hypothesized to be, at least in part, a result of extracellular digestion of clam proteins by the parasite...
November 22, 2016: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/27876336/inhibition-of-protein-glycation-antioxidant-and-antiproliferative-activities-of-carpobrotus-edulis-extracts
#4
Jawhar Hafsa, Khaoula Mkadmini Hammi, Med Raâfet Ben Khedher, Med Ali Smach, Bassem Charfeddine, Khalifa Limem, Hatem Majdoub
Carpobrotus edulis is an important South African medicinal plants used as a food and therapeutic agent in traditional medicine. The aim of this study was to determine the phytochemical content, antioxidant, antiglycation and cytotoxic effect against Human Colon Cancer Cell Line (HCT-116) of aqueous and ethanol-water (1:1v/v) extracts of Carpobrotus edulis.The content of total phenolics and flavonoids in aqueous and ethanol-water extract were 151.99μg and 66.35μg gallic acid equivalents/mg of dry extract, and 38...
November 19, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27869296/segmented-linear-modeling-of-cho-fed-batch-culture-and-its-application-to-large-scale-production
#5
Bassem Ben Yahia, Boris Gourevitch, Laetitia Malphettes, Elmar Heinzle
We describe a systematic approach to model CHO metabolism during biopharmaceutical production across a wide range of cell culture conditions. To this end, we applied the metabolic steady state concept. We analyzed and modeled the production rates of metabolites as a function of the specific growth rate. First, the total number of metabolic steady state phases and the location of the breakpoints were determined by recursive partitioning. For this, the smoothed derivative of the metabolic rates with respect to the growth rate were used followed by hierarchical clustering of the obtained partition...
November 7, 2016: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/27853355/anticonvulsant-effects-of-isomeric-nonimidazole-histamine-h3-receptor-antagonists
#6
Bassem Sadek, Ali Saad, Johannes Stephan Schwed, Lilia Weizel, Miriam Walter, Holger Stark
Phenytoin (PHT), valproic acid, and modern antiepileptic drugs (AEDs), eg, remacemide, loreclezole, and safinamide, are only effective within a maximum of 70%-80% of epileptic patients, and in many cases the clinical use of AEDs is restricted by their side effects. Therefore, a continuous need remains to discover innovative chemical entities for the development of active and safer AEDs. Ligands targeting central histamine H3 receptors (H3Rs) for epilepsy might be a promising therapeutic approach. To determine the potential of H3Rs ligands as new AEDs, we recently reported that no anticonvulsant effects were observed for the (S)-2-(4-(3-(piperidin-1-yl)propoxy)benzylamino)propanamide (1)...
2016: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/27847283/selective-dentate-gyrus-disruption-causes-memory-impairment-at-the-early-stage-of-experimental-multiple-sclerosis
#7
Vincent Planche, Aude Panatier, Bassem Hiba, Eva-Gunnel Ducourneau, Gerard Raffard, Nadège Dubourdieu, Marlène Maitre, Thierry Lesté-Lasserre, Bruno Brochet, Vincent Dousset, Aline Desmedt, Stéphane H Oliet, Thomas Tourdias
Memory impairment is an early and disabling manifestation of multiple sclerosis whose anatomical and biological substrates are still poorly understood. We thus investigated whether memory impairment encountered at the early stage of the disease could be explained by a differential vulnerability of particular hippocampal subfields. By using experimental autoimmune encephalomyelitis (EAE), a mouse model of multiple sclerosis, we identified that early memory impairment was associated with selective alteration of the dentate gyrus as pinpointed in vivo with diffusion-tensor-imaging (DTI)...
November 12, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27835986/activins-and-their-related-proteins-in-colon-carcinogenesis-insights-from-early-and-advanced-azoxymethane-rat-models-of-colon-cancer
#8
Bassem Refaat, Adel Galal El-Shemi, Amr Mohamed Mohamed, Osama Adnan Kensara, Jawwad Ahmad, Shakir Idris
BACKGROUND: Activin-A may exert pro- or anti-tumorigenic activities depending on cellular context. However, little is known about its role, or the other mature activin proteins, in colorectal carcinoma (CRC). This study measured the expression of activin βA- & βB-subunits, activin type IIA & IIB receptors, smads 2/3/4/6/7 and follistatin in CRC induced by azoxymethane (AOM) in rats. The results were compared with controls and disseminated according to the characteristics of histopathological lesions...
November 11, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27816394/epidermal-yap2-5sa-%C3%AE-c-drives-%C3%AE-catenin-activation-to-promote-keratinocyte-proliferation-in-the-mouse-skin-in-vivo
#9
Bassem Akladios, Veronica Mendoza-Reinoso, Michael S Samuel, Edna C Hardeman, Kiarash Khosrotehrani, Brian Key, Annemiek Beverdam
The epidermis is a highly regenerative tissue. Yes-associated protein (YAP) is a pivotal regulator of stem/progenitor cells in tissue regeneration, including in the epidermis. The molecular mechanisms downstream of YAP that activate epidermal cell proliferation remain largely unknown.We found that YAP and β-catenin co-localize in the nuclei of keratinocytes in the regenerating epidermis in vivo, and in proliferating HaCaT keratinocytes in vitro. Inactivation of YAP in HaCaT keratinocytes resulted in reduced activated β-catenin and reduced keratinocyte numbers in vitro...
November 2, 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27780041/regulation-of-drosophila-brain-wiring-by-neuropil-interactions-via-a-slit-robo-rptp-signaling-complex
#10
Carlos Oliva, Alessia Soldano, Natalia Mora, Natalie De Geest, Annelies Claeys, Maria-Luise Erfurth, Jimena Sierralta, Ariane Ramaekers, Dan Dascenco, Radoslaw K Ejsmont, Dietmar Schmucker, Natalia Sanchez-Soriano, Bassem A Hassan
The axonal wiring molecule Slit and its Round-About (Robo) receptors are conserved regulators of nerve cord patterning. Robo receptors also contribute to wiring brain circuits. Whether molecular mechanisms regulating these signals are modified to fit more complex brain wiring processes is unclear. We investigated the role of Slit and Robo receptors in wiring Drosophila higher-order brain circuits and identified differences in the cellular and molecular mechanisms of Robo/Slit function. First, we find that signaling by Robo receptors in the brain is regulated by the Receptor Protein Tyrosine Phosphatase RPTP69d...
October 24, 2016: Developmental Cell
https://www.readbyqxmd.com/read/27775602/age-related-effect-of-viral-induced-wheezing-in-severe-prematurity
#11
Geovanny F Perez, Amisha Jain, Bassem Kurdi, Rosemary Megalaa, Krishna Pancham, Shehlanoor Huseni, Natalia Isaza, Carlos E Rodriguez-Martinez, Mary C Rose, Dinesh Pillai, Gustavo Nino
Premature children are prone to severe viral respiratory infections in early life, but the age at which susceptibility peaks and disappears for each pathogen is unclear. Methods: A retrospective analysis was performed of the age distribution and clinical features of acute viral respiratory infections in full-term and premature children, aged zero to seven years. Results: The study comprised of a total of 630 hospitalizations (n = 580 children). Sixty-seven percent of these hospitalizations occurred in children born full-term (>37 weeks), 12% in preterm (32-37 weeks) and 21% in severely premature children (<32 weeks)...
October 20, 2016: Children
https://www.readbyqxmd.com/read/27774117/plant-derived-agents-for-counteracting-cisplatin-induced-nephrotoxicity
#12
Shreesh Ojha, Balaji Venkataraman, Amani Kurdi, Eglal Mahgoub, Bassem Sadek, Mohanraj Rajesh
Cisplatin (CSP) is a chemotherapeutic agent commonly used to treat a variety of malignancies. The major setback with CSP treatment is that its clinical efficacy is compromised by its induction of organ toxicity, particular to the kidneys and ears. Despite the significant strides that have been made in understanding the mechanisms underlying CSP-induced renal toxicity, advances in developing renoprotective strategies are still lacking. In addition, the renoprotective approaches described in the literature reveal partial amelioration of CSP-induced renal toxicity, stressing the need to develop potent combinatorial/synergistic agents for the mitigation of renal toxicity...
2016: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/27771261/effectiveness-of-the-extended-surgical-approach-to-visualize-the-axillary-nerve-in-the-blind-zone-in-an-arthroscopic-axillary-nerve-injury-model
#13
Andrés A Maldonado, Robert J Spinner, Allen T Bishop, Alexander Y Shin, Bassem T Elhassan
INTRODUCTION: The aims of this study were to create a model of axillary nerve (AN) injury during an arthroscopic capsular plication to analyze the site for potential nerve injury and to determine the AN length that can be visualized through standard and extended anterior, axillary, and posterior approaches. MATERIAL AND METHODS: Six arthroscopic inferior capsular plications were performed in 3 human adult frozen cadavers. A nonabsorbable suture was used to plicate the inferior capsule aiming at capturing the AN (at a location closest to the joint capsule)...
September 28, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/27770255/characterisation-of-vitamin-d-related-molecules-and-calcium-sensing-receptor-in-human-fallopian-tube-during-the-menstrual-cycle-and-in-ectopic-pregnancy
#14
Bassem Refaat, Jawwad Ahmad, Shakir Idris, Fadi Fayez Kamfar, Ahmed Mohamed Ashshi, Sarah Abdullah Batwa, Faizah Ahmed Malibary
This is a prospective observational study that measures the expression of vitamin D (VD) metabolising and signalling molecules and Ca(2+) sensing receptor (CaSR) in human Fallopian tube (FT) during the menstrual cycle and ectopic pregnancy (EP). Fresh FTs were obtained during total abdominal hysterectomy at the follicular (n = 16) and midluteal (n = 16) phases. Specimens from remote and implantation sites as well as trophoblastic tissues were also freshly collected from each FT with EP (n = 10)...
October 22, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27768287/cr-iii-substituted-heteropoly-16-tungstates-cr-iii-2-b-%C3%AE-x-iv-w8o31-2-14-x-si-ge-magnetic-biological-and-electrochemical-studies
#15
Wenjing Liu, Rami Al-Oweini, Karen Meadows, Bassem S Bassil, Zhengguo Lin, Jonathan H Christian, Naresh S Dalal, A Martin Bossoh, Israël M Mbomekallé, Pedro de Oliveira, Jamshed Iqbal, Ulrich Kortz
The dichromium(III)-containing heteropoly-16-tungstates [Cr(III)2(B-β-Si(IV)W8O31)2](14-) (1) and [Cr(III)2(B-β-Ge(IV)W8O31)2](14-) (2) were prepared via a one-pot reaction of the composing elements in aqueous, basic medium. Polyanions 1 and 2 represent the first examples of Cr(III)-containing heteropolytungstates comprising the octatungstate unit {XW8O31} (X = Si, Ge). Magnetic studies demonstrated that, in the solid state, the two polyanions exhibit a weak antiferromagnetic interaction between the two Cr(III)centers with J = -3...
October 21, 2016: Inorganic Chemistry
https://www.readbyqxmd.com/read/27752018/severe-metastatic-calcifications-in-a-hemodialysis-patient
#16
Jannet Labidi, Yosra Ben Ariba, Abdelkader Ben Gabsia, Faida Ajili, Riadh Battikh, Bassem Louzir, Nadia Ben Abdelhafidh, Saleh I Othman
Tissue calcification is a common complication in patients on continuous hemodialysis (HD) for chronic renal failure; however, severe calcification is unusual. Three distinct clinical types of extraosseous calcifications are found in uremic patients: vascular calcification, periarticular (tumoral) calcification, and visceral calcification (heart, lung, and kidney). We report a case of a young chronic HD patient who presented with extensive metastatic calcifi cations both vascular, visceral specially localized in the lungs, and periarticular with progressively increasing multiple subcutaneous swellings...
September 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27748798/metabolomic-profiling-of-breast-tumors-using-ductal-fluid
#17
Luisa Matos Do Canto, Catalin Marian, Rency S Varghese, Jaeil Ahn, Patricia A Da Cunha, Shawna Willey, Mary Sidawy, Janice D Rone, Amrita K Cheema, George Luta, Mohammad R Nezami Ranjbar, Habtom W Ressom, Bassem R Haddad
Identification of new biomarkers for breast cancer remains critical in order to enhance early detection of the disease and improve its prognosis. Towards this end, we performed an untargeted metabolomic analysis of breast ductal fluid using an ultra-performance liquid chromatography coupled with a quadrupole time-of-light (UPLC-QTOF) mass spectrometer. We investigated the metabolomic profiles of breast tumors using ductal fluid samples collected by ductal lavage (DL). We studied fluid from both the affected breasts and the unaffected contralateral breasts (as controls) from 43 women with confirmed unilateral breast cancer...
October 13, 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/27746708/comparative-study-of-neuropharmacological-analgesic-properties-and-phenolic-profile-of-ajwah-safawy-and-sukkari-cultivars-of-date-palm-phoenix-dactylifera
#18
Bassem Yousef Sheikh, S M Neamul Kabir Zihad, Nazifa Sifat, Shaikh J Uddin, Jamil A Shilpi, Omer A A Hamdi, Hemayet Hossain, Razina Rouf, Ismet Ara Jahan
In addition to the rich nutritional value, date palm is also used in various ethnobotanical practices for the treatment of various disease conditions. Present investigation was undertaken to examine the neuropharmacological and antinociceptive effect of the ethanol extract of three date cultivars growing in Saudi Arabia, namely Ajwah, Safawy and Sukkari. Neuropharmacological effect was observed by pentobarbitone induced sleeping time, open field, and hole board test. Antinociceptive activity was tested by acetic acid induced writhing and hot plate test...
2016: Oriental Pharmacy and Experimental Medicine
https://www.readbyqxmd.com/read/27720758/characterization-of-a-novel-protease-from-aeribacillus-pallidus-strain-vp3-with-potential-biotechnological-interest
#19
Sondes Mechri, Mouna Ben Elhoul Berrouina, Maroua Omrane Benmrad, Nadia Zaraî Jaouadi, Hatem Rekik, Emna Moujehed, Alif Chebbi, Sami Sayadi, Mohamed Chamkha, Samir Bejar, Bassem Jaouadi
The present study investigates the purification and physico-chemical characterization of an extracellular protease from the Aeribacillus pallidus strain VP3 previously isolated from a geothermal oil-field (Sfax, Tunisia). The maximum protease activity recorded after 22h of incubation at 45°C was 3000U/ml. Pure enzyme, designated as SPVP, was obtained after ammonium sulfate fractionation (40-60%)-dialysis followed by heat-treatment (70°C for 30min) and UNO Q-6 FPLC anion-exchange chromatography. The purified enzyme is a monomer of molecular mass about 29kDa...
October 5, 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27696189/hyperuricemia-hypertension-and-chronic-kidney-disease-an-emerging-association
#20
Samir G Mallat, Sahar Al Kattar, Bassem Y Tanios, Abdo Jurjus
Uric acid is a product of purine metabolism and has been linked to gout and kidney calculi. Chronic kidney disease (CKD) and hypertension (HTN) are two major public health problems, and both are associated with increased risk of cardiovascular events. Emerging evidence suggests a pathogenic role of hyperuricemia in the development of HTN and CKD, in addition to progression of CKD, by inducing renal inflammation, endothelial dysfunction, and activation of the renin-angiotensin system. In addition, several epidemiological studies have linked hyperuricemia with an increased risk of HTN and CKD...
October 2016: Current Hypertension Reports
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