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Hypolipidemic effect of coffee silver skin in rats fed a high-fat diet

Food Science and Human Wellness 2018年第4期7卷 252-259页

作者： ayman mohammed el-anany Rehab Farouk M.Ali Department of Special Food and Nutrition Researches Food Technology Research InstituteAgricultural Research CenterGizaEgypt Biochemistry Department Faculty of AgricultureCairo UniversityGizaEgypt Department of Food Science and Human Nutrition College of Agriculture and Veterinary MedicineAl-Qassum UniversityQassimSaudi Arab

The present study was conducted to evaluate the hypolipidemic effects of coffee silver skin(CSS)supplementation in rats fed a highfat diet(HFD).A total of 40 albino rats were used in the present *** groups were as follows:Rats fed a normal diet,N group;high fat diet,HFD group;high fat diet+10%CSS,HFD 10;HFD+15%CSS,HFD 15;HFD+20%CSS,HFD 20;the diets were followed for 8 *** samples were collected at the end of the *** the time of sacrifice,the weights of heart,liver,kidneys,epididymal fat and retroperitoneal fat of the experimental rats with respect to body weight were *** lipid parameter of the serum was recorded and liver and kidney function tests were ***,a histopathological assay was performed on the liver and kidney tissues of the rats fed the tested *** weight gain of the rats fed a HFD supplemented with 10,15 and 20%CSS was∼1.05,1.08 and 1.12 times lower than that of those rats fed HFD,*** incorporation of CSS at a level of 20%reduced the increase in liver,kidney,epididymal fat and retroperitoneal fat weight by 17.84,19.38,47.23 and 18.00%,respectively,compared with HFD *** administration induced considerable increases in alanine aminotransferase,aspartate aminotransferase and alkaline phosphatase activities compared with the control *** results also indicated that the HFD-fed rats exhibited increased levels of urea,uric acid and creatinine,by∼26.38,8.40 and 6.75%,respectively,compared with the control *** the exception of high-density lipoprotein cholesterol,all lipid fractions increased significantly in rats fed a *** administration of a HFD induced marked pathological changes in the liver and kidneys of the ***,the incorporation of various levels of CSS in to a HFD reduced these *** results of the present study illustrate that the incorporation of CSS into HFDs reduces the hyperlipidemia effect of these diets.

关键词： Hypolipidemic Coffee Fiber Biochemical Serum lipid

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Impact of referral pattern and timing of repair on surgical outcome after reconstruction of post-cholecystectomy bile duct injury:A multicenter study

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Hepatobiliary & Pancreatic Diseases International 2021年第1期20卷 53-60页

作者： ayman el Nakeeb Ahmad Sultan Helmy Ezzat Mohamed Attia Mohamed Abd elWahab Taha Kayed ayman Hassanen Ahmad AlMalki Ahmed Alqarni mohammed M mohammed Gastrointestinal Surgical Center Mansoura UniversityMansouraEgypt Minia University Hospital MiniaEgypt Aseer Central Hospital Aseer regionSaudi Arabia

Background:Bile duct injury(BDI)after cholecystectomy remains a significant surgical *** guideline exists to guide the timing of repair,while few studies compare early versus late repair *** study aimed to analyze the outcomes in patients undergoing immediate,intermediate,and delayed repair of ***:We retrospectively analyzed 412 patients with BDI from March 2015 to January *** patients were divided into three groups based on the time of BDI *** 1 underwent an immediate reconstruction(within the first 72 hours post-cholecystectomy,n=156);group 2 underwent an intermediate reconstruction(from 4 days to 6 weeks post-cholecystectomy,n=75),and group 3 underwent delayed reconstruction(after 6 weeks post-cholecystectomy,n=181).Results:Patients in group 2 had significantly more early complications including anastomotic leakage and intra-abdominal collection and late complications including anastomotic stricture and secondary liver cirrhosis compared with groups 1 and *** outcome was observed in 111(71.2%)patients in group 1,31(41.3%)patients in group 2,and 157(86.7%)patients in group 3(P=0.0001).Multivariate analysis identified that complete ligation of the bile duct,level E1 BDI and the use of external stent were independent factors of favorable outcome in group 1,the use of external stent was an independent factor of favorable outcome in group 2,and level E4 BDI was an independent factor of unfavorable outcome in group *** BDI and level E4 BDI were independent factors of unfavorable ***:Favorable outcomes were more frequently observed in the immediate and delayed reconstruction of post-cholecystectomy *** ligation of the bile duct,level E1 BDI and the use of external stent were independent factors of a favorable outcome.

关键词： Bile duct injury Hepaticojejunostomy Anastomotic stricture Biloma Biliary peritonitis

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Advanced Functional electromagnetic Shielding Materials:A Review Based on Micro‑Nano Structure Interface Control of Biomass Cell Walls

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Nano-Micro Letters 2025年第1期17卷 98-134页

作者： Yang Shi Mingjun Wu Shengbo Ge Jianzhang Li Anoud Saud Alshammari Jing Luo mohammed A.Amin Hua Qiu Jinxuan Jiang Yazeed M.Asiri Runzhou Huang Hua Hou Zeinhom M.el‑Bahy Zhanhu Guo Chong Jia Kaimeng Xu Xiangmeng Chen Co‑Innovation Center of Efficient Processing and Utilization of Forest Resources College of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037People’s Republic of China State Key Laboratory of Efficient Production of Forest Resourced Beijing Forestry UniversityQinghua East Road 35Haidian DistrictBeijing 100083People’s Republic of China Department of Physics Faculty of Sciences‑ArarNorthern Border UniversityArar 91431Saudi Arabia Department of Chemistry College of ScienceTaif UniversityP.O.Box 1109921944 TaifSaudi Arabia Shaanxi Key Laboratory of Macromolecular Science and Technology School of Chemistry and Chemical EngineeringNorthwestern Polytechnical UniversityXi’anShaanxi 710072People’s Republic of China Integrated Composites Lab Department of Mechanical and Construction EngineeringNorthumbria UniversityNewcastle Upon Tyne NE18STUK College of Materials Science and Engineering Taiyuan University of Science and TechnologyTaiyuan 030024People’s Republic of China Department of Chemistry Faculty of ScienceAl-Azhar UniversityNasr CityCairo 11884Egypt Yunnan Provincial Key Laboratory of Wood Adhesives and Glued Products International Joint Research Center for Biomass MaterialsSouthwest Forestry UniversityKunming 650224People’s Republic of China School of Science Henan Agricultural UniversityZhengzhou 450002People’s Republic of China

Research efforts on electromagnetic interference(EMI)shielding materials have begun to converge on green and sustainable biomass *** materials offer numerous advantages such as being lightweight,porous,and *** to their porous nature,interfacial compatibility,and electrical conductivity,biomass materials hold significant potential as EMI shielding *** concerted efforts on the EMI shielding of biomass materials have been reported,this research area is still relatively new compared to traditional EMI shielding *** particular,a more comprehensive study and summary of the factors influencing biomass EMI shielding materials including the pore structure adjustment,preparation process,and micro-control would be *** preparation methods and characteristics of wood,bamboo,cellulose and lignin in EMI shielding field are critically discussed in this paper,and similar biomass EMI materials are summarized and *** composite methods and fillers of various biomass materials were *** paper also highlights the mechanism of EMI shielding as well as existing prospects and challenges for development trends in this field.

关键词： Biomass materials electromagnetic interference shielding Micro-nano structure interface control Conductivity

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Naringenin suppresses NLRP3 inflammasome activation via the mRNA-208a signaling pathway in isoproterenol-induced myocardial infarction

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Asian Pacific Journal of Tropical Biomedicine 2023年第10期13卷 443-450页

作者： ayman eldourghamy Toka Hossam mohammed Abdalla Hussein Amal Abdel-Aziz Samir A.el-masry Environmental Biotechnology Department Genetic Engineering and Biotechnology Research InstituteSadat UniversityEgypt Department of Medical Labs Faculty of Applied Medical Sciences TechnologyOctober 6 UniversityEgypt Department of Biotechnology Faculty of Applied Health Sciences TechnologyOctober 6 UniversityEgypt Molecular Biology Department Genetic Engineering and Biotechnology Research InstituteSadat UniversityEgypt

Objective:To investigate the cardioprotective effect of naringenin against isoproterenol(ISO)-induced cardiotoxicity in ***:Rats were divided into five groups:the normal group,the ISO group(85 mg/kg b.w.);the ISO+naringenin(50 mg/kg b.w.)group,the ISO+naringenin(100 mg/kg b.w.)group and the ISO+propranolol(10 mg/kg b.w.)*** creatine kinase-MB(CK-MB),cardiac troponin T,lactate dehydrogenase,brain natriuretic peptide(BNP),and IL-10,as well as cardiac transforming growth factor-β1(TGF-β1),vascular endothelial growth factor(VEGF)and malondialdehyde(MDA)were *** addition,NLRP3 and mRNA-208a expressions were evaluated by RT-PCR *** examination was also performed to assess cardiac ***:Naringenin treatment significantly decreased plasma lactate dehydrogenase,CK-MB,cardiac troponin T,BNP,and IL-10,as well as cardiac TGF-β1,VEGF,and MDA while increasing p-Akt and superoxide dismutase in ISO-administered *** also reduced NLRP3 and mRNA-208a gene expression ***,naringenin improved ISO-induced cardiac ***:Naringenin attenuates myocardial dysfunction in ISO-treated rats by decreasing oxidative stress and increasing cardiac endogenous antioxidant system,which may be modulated partly by improvement of NLRP3 and mRNA-208a gene expression.

关键词： Naringenin Isoproterenol Myocardial infarction Antioxidants NLRP3 mRNA-208a

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Circulating micro RNA, mi R-122 and mi R-221 signature in Egyptian patients with chronic hepatitis C related hepatocellular carcinoma

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World Journal of Hepatology 2014年第11期6卷 818-824页

作者： Hassan el-Garem ayman Ammer Hany Shehab Olfat Shaker mohammed Anwer Wafaa el-Akel Heba Omar Endemic Medicine and Hepatology Department Faculty of Medicine Cairo University Medical Biochemistry and Molecular Biology Department Faculty of Medicine Cairo University

AIM: To explore the potential usefulness of serum miR-122 and miR-221 as non-invasive diagnostic markers of hepatitis C virus(HCV)-related hepatocellular carcinoma(HCC).METHODS: This prospective study was conducted on 90 adult patients of both sex with HCV-related chronic liver disease and chronic hepatitis C related HCC. In addition to the 10 healthy control individuals, patients were stratified into; interferon-na?ve chronic hepatitis C(CH)(n = 30), post-hepatitis C compensated cirrhosis(LC)(n = 30) and treatment-naive HCC(n = 30). All patients and controls underwent full clinical assessment and laboratory investigations in addition to the evaluation of the level of serum miR NA expression by ***: There was a significant fold change in serum mi RNA expression in the different patient groups when compared to normal controls; mi R-122 showed significant fold increasing in both CH and HCC and significant fold decrease in LC. On the other hand, mi R-221 showed significant fold elevation in both CH and LC groups and significant fold decrease in HCC group(P = 0.01). Comparing fold changes in miR NAs in HCC group vs non HCC group(CH and Cirrhosis), there was non-significant fold elevation in miR-122(P = 0.21) and significant fold decreasing in miR-221 in HCC vs non-HCC(P = 0.03). ROC curve analysis for miR-221 yielded 87% sensitivity and 40% specificity for the differentiation of HCC patients from non-HCC at a cutoff 1.82. CONCLUSION: Serum miR-221 has a strong potential to serve as one of the novel non-invasive biomarkers of HCC.

关键词： MiR NA Hepatocellular carcinoma Serum

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First-principles study of the new potential photovoltaic absorber:Cu_2MgSnS_4 compound

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Chinese Physics B 2017年第7期26卷 294-304页

作者： Belmorsli Bekki Kadda Amara mohammed el Keurti Laboratoire d'étude physico-chimique Université Dr.Moulay Tahar de Saida

The structural, electronic, optical, and elastic properties of Cu_2MgSnS_4 in four crystalline phases（wurtzite-stannite（WS）, stannite（ST）, kesterite（KS）, and primitive-mixed Cu Au（PMCA）） are investigated using density functional theory（DFT） in the framework of the full potential linearized augmented plane wave plus local-orbitals（FP-LAPW＋lo） method within the generalized gradient approximation based on the Perdew 2008 functional（GGA-PBEsol）. For each phase, the structural parameters, bulk modulus, and its pressure derivative are calculated. The relative stability of these phases is also discussed. In addition, the elastic constants have been calculated in order to investigate the mechanical stability of all phases. Moreover, the anisotropy factor, shear modulus, Young＇s modulus, Lame＇s coefficient, and Poisson＇s ratio have been estimated from the calculated single crystalline elastic constants. For the band structure, the density of states and optical properties of the exchange and correlation effects are treated by the Tran-Blaha modified Becke-Johnson potential to give a better description of the band-gap energies and optical spectra. The obtained results are compared with available experimental data and to other theoretical calculations.

关键词： quaternary chalcogenide semiconductor elastic constants electronic properties optical properties

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Cellular therapy:A promising tool in the future of colorectal surgery

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World Journal of Gastroenterology 2019年第13期25卷 1560-1565页

作者： mohammed mohammed el-Said Sameh Hany Emile Colorectal Surgery Unit General Surgery Department Mansoura University Hospitals Mansoura University

Cellular therapy may be the solution of challenging problems in colorectal surgery such as impaired healing leading to anastomotic leakage and metastatic colorectal cancer(CRC). This review aimed to illustrate the role of cellular therapy in promotion of wound healing and management of metastatic CRC. An organized literature search for the role of cellular therapy in promotion of wound healing and management of metastatic CRC was conducted. electronic databases including PubMed/Medline, Scopus, and Embase were queried for the search process. Two types of cellular therapy have been recognized, the mesenchymal stem cells(MSCs) and bone marrow-mononuclear cells(BM-MNCs) *** cells have been shown to accelerate and promote healing of various tissue injuries in animal and human studies. In addition, experimental studies have reported that MSCs may help suppress the progression of colon cancer in rat models. This article reviews the possible mechanisms of action and clinical utility of MSCs and BM-MNCs in promotion of healing and suppression of tumor growth in light of the published literature. Cellular therapy has a potentially important role in colorectal surgery, particularly in the promotion of wound healing and management of metastatic CRC. Future directions of cellular therapy in colorectal surgery were explored which may help stimulate futures studies on the role of cellular therapy in colorectal surgery.

关键词： Cellular therapy Future Colorectal surgery Stem cells

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Synthesis, spectral, optical and anti-inflammatory activity of complexes derived from 2-aminobenzohydrazide with some rare earths

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Journal of Rare Earths 2015年第7期33卷 758-764页

作者： Nasser mohammed Hosny el Sayed A.el Morsy Yousery E.Sherif Chemistry Department Faculty of Science Port-Said University Clinical Pharmacology Department Faculty of Medicine Mansoura University Pharmacology and Therapeutics Department Qassim College of Medicine Qassim University Department of Chemistry Faculty of Science and Arts Taibah University

Three new metal complexes derived from Er（Ⅲ）, Dy（Ⅲ） and Zr（Ⅳ） with 2-aminobenzohydrazide （ABH） were synthesized and characterized by elemental analyses, IR, ^1H-NMR, ES-MS and transmission electron microscopy （TEM）. The morphology and the particle size were determined by TEM. The results showed that the ligand acted as neutral bi-dentate coordinating to the metal ions through the carbonyl oxygen and amidic amino nitrogen. The aromatic amine group remained inert towards coordination. The optical band gap was measured and found to be 3.3, 3.5 and 4.3 eV for Er（Ⅲ）, Dy（Ⅲ） and Zr（Ⅳ）, respectively. The optical band gap values indicated a semi-conducting nature of the investigated complexes. The anti-inflammatory and analgesic activities of the tested compounds were determined and compared with standard meloxicam.

关键词： Er(Ⅲ) Dy(Ⅲ) Zr(Ⅳ) metal complexes optical band gap rare earths

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Comparison between seismic analysis of twisting and regular 52-story towers considering soil-structure interaction

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Earthquake Engineering and Engineering Vibration 2024年第3期23卷 663-675页

作者： Mohamed Naguib Abouelsaad mohammed Shaaban Salah el Bagalaty Mohamed E.el Madawy Structural Engineering Department Faculty of EngineeringMansura UniversityMansoura 35511Egypt Faculty of Engineering Delta University for Science and TechnologyGamasa 35712Egypt

A dynamic analysis of both twisting and regular towers is carried out to determine the results of considering soil-structure interaction(SSI)on high-rise *** addition,the difference between the seismic performance of using twisting towers over regular ones is *** twisting tower is a simulation of the Evolution Tower(Moscow).The towers’skeletons consist of RC elements and rest on a reinforced concrete piled-raft *** soil model is considered as multi-layered with the same soil properties as the zone chosen for the analysis(New Mansoura City,Egypt).The only difference between both towers is their shape in *** whole system is modelled and analyzed in a single step as one full 3D model,which is known as the direct approach in *** analyses are carried out using finite-element software(Midas GTS NX).Dynamic output responses due to three records of seismic loads are proposed and presented in some *** on the results,it is concluded that SSI has a considerable effect on the dynamic response of tall buildings mainly because of the foundation flexibility,as it leads to lengthening the vibration period,increasing the story drift and the base shear for both cases.

关键词： soil-structure interaction seismic analysis twisting towers base shear story drift finite element method Midas GTS NX

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Adaptive Control System for Biogas Power Plant Using Model Predictive Control

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Journal of Modern Power Systems and Clean Energy 2021年第5期9卷 1193-1204页

作者： Samaa Fawzy mohammed Saeed Abdelfattah eladl Magdi el-Saadawi electrical Engineering Department Mansoura UniversityMansouraEgypt

This paper presents an adaptive control system using model predictive control for a biogas-fueled power *** control scheme is derived from an anaerobic digestion model that includes the concentration of biodegradable volatile solid in the reactor,the concentration of volatile solid in influent,the concentration of acidogens,and the concentration of *** these concentrations are the state variables of model predictive *** whole biogas-fueled power system has been modeled,implemented,and tested in MATLAB/Simulink *** validate the performance of the proposed controller,different operation conditions are studied and *** simulation results prove the effectiveness and the applicability of the proposed control system under different operating conditions.

关键词： Anaerobic digestion micro-turbine model predictive control state space biogas

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