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| 1 | Clinical correlates of common corneal neovascular diseases: a literature review显示文摘A large subset of corneal pathologies involves the formation of new vessels(neovascularization), leading to compromised visual acuity. This article aims to review the clinical causes and presentations of corneal neovascularization(CNV) by examining the mechanisms behind common CNV-related corneal pathologies, with a particular focus on herpes simplex stromal keratitis,contact lenses-induced keratitis and CNV secondary to keratoplasty. Moreover, we reviewed CNV in the context of different types of corneal transplantation and keratoprosthesis, and summarized the most relevant treatment available so far. | Nizar Saleh Abdelfattah Mohamed Amgad Amira A Zayed Hamdy Salem Ahmed E Elkhanany Heba Hussein Nawal Abd El-Baky | 2015 | International Journal of Ophthalmology(English edition)2015,8,1: | 10 |
| 2 | Intermittent fasting promotes adipose thermogenesis and metabolic homeostasis via VEGF-mediated alternative activation of macrophage显示文摘 | Kyoung-Han Kim Yun Hye Kim Joe Eun Son Ju Hee Lee Sarah Kim Min Seon Choe Joon Ho Moon Jian Zhong Kiya Fu Florine Lenglin Jeong-Ah Yoo Philip J Bilan Amira Klip Andras Nagy Jae-Ryong Kim Jin Gyoon Park Samer MI Hussein Kyung-Oh Doh Chi-chung Hui Hoon-Ki Sung | 2017 | Cell Research2017,27,11: | 9 |
| 3 | Development of an Arabic version of the National Eye Institute Visual Function Questionnaire as a tool to study eye diseases patients in Egypt显示文摘AIM:To develop and test an Arabic version of the National Eye Institute Visual Function Questionnaire-25(NEI-VFQ-25).METHODS:NEI-VFQ-25 was translated into Arabic according to WHO translation guidelines. We enrolled adult consenting patients with bilateral chronic eye diseases who presented to 14 hospitals across Egypt from October to December 2012, and documented their clinical findings. Psychometric properties were then tested using STATA.RESULTS:We recruited 379 patients, whose mean age was(54.5±15)y. Of 46.2% were males, 227 had cataract,31 had glaucoma, 23 had retinal detachment, 37 had diabetic retinopathy, and 61 had miscellaneous visual defects. Non-response rate and the floor and ceiling numbers of the Arabic version(ARB-VFQ-25) were calculated. Internal consistency was high in all subscales(except general health), with Cronbach-α ranging from0.702-0.911. Test-retest reliability was high(intraclass correlation coefficient 0.79).CONCLUSION:RB-VFQ-25 isareliableandvalidtool for assessing visual functions of Arabic speaking patients. However, some questions had high non-response rates and should be substituted by available alternatives. Our results support the importance of including self-reported visual functions as part of routine ophthalmologic examination. | Nizar Saleh Abdelfattah Mohamed Amgad Ahmed A Salama Marina E Israel Ghada A Elhawary Ahmed E Radwan Mohamed M Elgayar Tamer M EL Nakhal Islam T Elkhateb Heba A Hashem Doha K Embaby Amira A Elabd Reem K Elwy Magdi S Yacoub Hamdy Salem Mohamed Abdel-Baqy Ahmad Kassem | 2014 | International Journal of Ophthalmology(English edition)2014,7,5: | 8 |
| 4 | Review of post-combustion carbon dioxide capture technologies using activated carbon显示文摘Carbon dioxide(CO2) is the largest anthropogenic greenhouse gas(GHG) on the planet contributing to the global warming. Currently, there are three capture technologies of trapping CO2 from the flue gas and they are pre-combustion, post-combustion and oxy-fuel combustion. Among these, the post-combustion is widely popular as it can be retrofitted for a short to medium term without encountering any significant technology risks or changes.Activated carbon is widely used as a universal separation medium with series of advantages compared to the first generation capture processes based on amine-based scrubbing which are inherently energy intensive. The goal of this review is to elucidate the three CO2 capture technologies with a focus on the use of activated carbon(AC) as an adsorbent for post-combustion anthropogenic CO2 flue gas capture prior to emission to atmosphere. Furthermore, this coherent review summarizes the recent ongoing research on the preparation of activated carbon from various sources to provide a profound understanding on the current progress to highlight the challenges of the CO2 mitigation efforts along with the mathematical modeling of CO2 capture. AC is widely seen as a universal adsorbent due to its unique properties such as high surface area and porous texture. Other applications of AC in the removal of contaminants from flue gas, heavy metal and organic compounds, as a catalyst and catalyst support and in the electronics and electroplating industry are also discussed in this study. | Alivia Mukherjee Jude A.Okolie Amira Abdelrasoul Catherine Niu Ajay K.Dalai | 2019 | Journal of Environmental Sciences2019,31,9: | 8 |
| 5 | Hepatitis B genotypes: Relation to clinical outcome in patients with chronic hepatitis B in Saudi Arabia显示文摘AIM: To identify the most common hepatitis B virus (HBV) genotype in Saudi Arabia, and correlate the prevailing genotypes with the clinical outcome of patients. METHODS: Patients were consecutively recruited from the hepatology clinics of two tertiary care referral cen- ters. Patients were categorized into 4 different groups: group 1, patients with hepatitis B and normal liver en- zymes; group 2, patients with hepatitis B and abnormal liver enzymes but without cirrhosis; group 3, patients with hepatitis B and liver cirrhosis; group 4, patients with hepatitis B and hepatocellular carcinoma. All patients had a positive hepatitis B surface antigen (HBsAg). Ge- notyping of HBV was performed by nested PCR-mediated amplification of the target sequence and hybridization with sequence-specific oligonucleotides. RESULTS: Seventy patients were enrolled in this study. They were predominantly male (72.9%) in their mid- forty’s (mean age 47 years). Forty-nine (70%) patients were hepatitis B envelope antigen (HBeAg) negative. The majority of patients (64%) acquired HBV through unknown risk factors. Hepatitis B genotyping revealed that 57 patients (81.4%) were genotype D, 1 patient (1.4%) had genotype A, 1 patient (1.4%) had geno- type C, and 4 patients (5.7%) had genotype E, while 7 patients (10%) had mixed genotype (4 patients ADG, 1 patient DE, 1 patient DF, and 1 patient ADFG). Based on univariate analysis of genotype D patients, significant predictors of advanced liver disease were age, gender, aspartate transaminase, alanine transaminase, albumin,bilirubin, and alkaline phosphatase (all P < 0.001). In multivariate analysis decreased hemoglobin (r = -0.05; 95% CI: -0.08 to -0.03; P = 0.001) and albumin levels (r = -0.004; 95% CI: -0.007 to -0.001; P = 0.002) were highly significant predictors of advanced liver disease. In patients with HBV genotype D, HBeAg negativity was found to increase across advancing stages of liver dis- ease (P = 0.024). CONCLUSION: This study highlights that the vast ma- jority of Saudi patients with chronic hepatitis B have genotype D. No correlation could be observed between the different genotypes and epidemiological or clinical factors. The relationship between genotype D and HBeAg status in terms of disease severity needs to be further elucidated in larger longitudinal studies. | Ayman A Abdo Badr M Al-Jarallah Faisal M Sanai Ahmad S Hersi Khalid Al-Swat Nahla A Azzam Manal Al-Dukhayil Amira Al-Maarik Faleh Z Al-Faleh | 2006 | World Journal of Gastroenterology2006,12,43: | 7 |
| 6 | Molecular underpinnings of corneal angiogenesis:advances over the past decade显示文摘The cornea is maintained in an avascular state by maintaining an environment whereby anti-angiogenic factors take the upper hand over factors promoting angiogenesis. Many of the common pathologies affecting the cornea involve the disruption of such equilibrium and the shift towards new vessel formation, leading to corneal opacity and eventually-vision loss. Therefore it is of paramount importance that the molecular underpinnings of corneal neovascularization(CNV) be clearly understood, in order to develop better targeted treatments. This article is a review of the literature on the recent discoveries regarding pro-angiogenic factors of the cornea(such as vascular endothelial growth factors,fibroblast growth factor and matrix metalloproteinases)and anti-angiogenic factors of the cornea(such as endostatins and neostatins). Further, we review the molecular underpinnings of lymphangiogenesis, a process now known to be almost separate from(yet related to) hemangiogenesis. | Nizar Saleh Abdelfattah Mohamed Amgad Amira A.Zayed Heba Hussein Nawal AbdEl-Baky | 2016 | International Journal of Ophthalmology(English edition)2016,9,5: | 6 |
| 7 | Host immune cellular reactions in corneal neovascularization显示文摘Corneal neovascularization(CNV) is a global important cause of visual impairment. The immune mechanisms leading to corneal heme- and lymphangiogenesis have been extensively studied over the past years as more attempts were made to develop better prophylactic and therapeutic measures. This article aims to discuss immune cells of particular relevance to CNV, with a focus on macrophages, Th17 cells, dendritic cells and the underlying immunology of common pathologies involving neovascularization of the cornea. Hopefully, a thorough understanding of these topics would propel the efforts to halt the detrimental effects of CNV. | Nizar S.Abdelfattah Mohamed Amgad Amira A Zayed | 2016 | International Journal of Ophthalmology(English edition)2016,9,4: | 5 |
| 8 | Vascular depression for radiology: A review of the construct,methodology,and diagnosis显示文摘Vascular depression(VD)as defined by magnetic resonance imaging(MRI)has been proposed as a unique subtype of late-life depression.The VD hypothesis posits that cerebrovascular disease,as characterized by the presence of MRIdefined white matter hyperintensities,contributes to and increases the risk for depression in older adults.VD is also accompanied by cognitive impairment and poor antidepressant treatment response.The VD diagnosis relies on MRI findings and yet this clinical entity is largely unfamiliar to neuroradiologists and is rarely,if ever,discussed in radiology journals.The primary purpose of this review is to introduce the MRI-defined VD construct to the neuroradiology community.Case reports are highlighted in order to illustrate the profile of VD in terms of radiological,clinical,and neuropsychological findings.A secondary purpose is to elucidate and elaborate on the measurement of cerebrovascular disease through visual rating scales and semi-and fully-automated volumetric methods.These methods are crucial for determining whether lesion burden or lesion severity is the dominant pathological contributor to VD.Additionally,these rating methods have implications for the growing field of computer assisted diagnosis.Since VD has been found to have a profile that is distinct from other types of late-life depression,neuroradiologists,in conjunction with psychiatrists and psychologists,should consider VD in diagnosis and treatment planning. | Sara N Rushia Al Amira Safa Shehab Jeffrey N Motter Dakota A Egglefield Sophie Schiff Joel R Sneed Ernst Garcon | 2020 | World Journal of Radiology2020,12,5: | 5 |
| 9 | Design of a Proportional-Integral-Derivative Controller for an Automatic Generation Control of Multi-area Power Thermal Systems Using Firefly Algorithm显示文摘Essentially, it is significant to supply the consumer with reliable and sufficient power. Since, power quality is measured by the consistency in frequency and power flow between control areas. Thus, in a power system operation and control,automatic generation control(AGC) plays a crucial role. In this paper, multi-area(Five areas: area 1, area 2, area 3, area 4 and area 5) reheat thermal power systems are considered with proportional-integral-derivative(PID) controller as a supplementary controller. Each area in the investigated power system is equipped with appropriate governor unit, turbine with reheater unit, generator and speed regulator unit. The PID controller parameters are optimized by considering nature bio-inspired firefly algorithm(FFA). The experimental results demonstrated the comparison of the proposed system performance(FFA-PID)with optimized PID controller based genetic algorithm(GAPID) and particle swarm optimization(PSO) technique(PSOPID) for the same investigated power system. The results proved the efficiency of employing the integral time absolute error(ITAE) cost function with one percent step load perturbation(1 % SLP) in area 1. The proposed system based FFA achieved the least settling time compared to using the GA or the PSO algorithms, while, it attained good results with respect to the peak overshoot/undershoot. In addition, the FFA performance is improved with the increased number of iterations which outperformed the other optimization algorithms based controller. | K.Jagatheesan B.Anand Sourav Samanta Nilanjan Dey Amira S.Ashour Valentina E.Balas | 2019 | IEEE/CAA Journal of Automatica Sinica2019,6,2: | 4 |
| 10 | NOD2/CARD15 gene mutations in North Algerian patients with inflammatory bowel disease显示文摘AIM: To analyse allelic frequency of NOD2 gene variantsand to assess their correlation with inflammatory bowel disease(IBD) in Algeria.METHODS: We studied 132 unrelated patients diagnosed with IBD, 86 with Crohn's disease(CD) and 46 with ulcerative colitis(UC). Data was prospectively collected between January 2011 and December 2013. The demographic and clinical characteristics were recorded for all the patients. A group of 114 healthy unrelated individuals were selected as controls. All groups studied originated from different regions of North Algeria and confirmed the Algerian origin of their parents and grandparents. Informed and written consent was obtained from each of the participants. All individuals were genotyped for the three CDassociated NOD2 variants(p.Arg702 Trp, p.Gly908 Arg and p.Leu1007 fsins C mutations) using the polymerase chain reaction-restriction fragment length polymorphism method. Allele and genotype frequencies in patients and control subjects were compared by χ2 test and Fisher's exact test where appropriate. Odds ratios(OR) and 95% confidence intervals(95%CI) were also estimated. Association analyses were performed to study the influence of these variants on IBD and on clinical phenotypes.RESULTS: The p.Arg702 Trp mutation showed the highest frequency in CD patients(8%) compared to UC patients(2%)(P = 0.09, OR = 3.67, 95%CI: 0.48-4.87) and controls(5%)(P = 0.4, OR = 1.47, 95%CI: 0.65-3.31). In CD patients allelic frequencies of p.Gly908 Arg and p.Leu1007 fsins C variants compared to HC were 3% vs 2%(P = 0.5, OR = 1.67, 95%CI: 0.44-6.34); 2% vs 1%(P = 0.4 OR = 2.69 95%CI: 0.48-14.87 respectively). In UC patients, allelic frequencies of p.Gly908 Arg and p.Leu1007 fsins C variants compared to HC were 1% vs 2%(P = 1, OR = 1.62, 95%CI: 0.17-4.74) and 2% vs 1%(P = 0.32, OR = 0.39, 95%CI: 0.05-2.87). The total frequency of the mutated NOD2 chromosomes was higher in CD(13%), than in HC(8%) and UC(5%). In addition, NOD2 variants were linked to a particular clinical sub-phenotype in CD in this Algerian cohort. As expected, the three NOD2 variants showed a significant association with CD but did not reach statistical significance, despite the fact that the allele frequency of NOD2 variants was in the range found in most of the European populations. This might be due to the non-exposure of the NOD2 carriers to environmental factors, required for the expression of the disease.CONCLUSION: Further analyses are necessary to study genetic and environmental factors in IBD in the Algerian population, using larger patient groups. | Aziza Boukercha Hamida Mesbah-Amroun Amira Bouzidi Houria Saoula Mhamed Nakkemouche Maryline Roy Jean-Pierre Hugot Chafia Touil-Boukoffa | 2015 | World Journal of Gastroenterology2015,21,25: | 3 |
| 11 | The influence of aggregation of latex particles on membrane fouling attachments&ultrafiltration performance in ultrafiltration of latex contaminated water and wastewater显示文摘The goal of the present study was to investigate the influence of latex particle aggregation on membrane fouling attachments and the ultrafiltration performance of simulated latex effluent using Cetyltrimethyl Ammonium Bromide(CTAB) as a cationic surfactant. Hydrophilic polysulfone and ultrafilic flat heterogeneous membranes, with molecular weight cut off(MWCO) of 60,000 and 100,000, respectively, as well as hydrophobic polyvinylidene difluoride with MWCO of 100,000, were used under a constant flow rate and cross-flow mode in ultrafiltration of latex solution. In addition, a polycarbonate flat membrane with uniform pore size of 0.05 μm was likewise used during the experiment. The effects of CTAB on the latex particle size distribution were investigated at various concentrations, different treatment times, and diverse agitation duration times. The effects of CTAB on the zeta potential of membrane surfaces and latex particles were also investigated. The data obtained indicate that the particle size distribution of treated latex effluent experienced significant shifts in the peaks toward a larger size range caused by the aggregation of particles. As a result, the mass of fouling contributing to pore blocking and the irreversible fouling were noticeably reduced. The optimum results occurred in the instance when CTAB was added at the critical micelle concentration of 0.36 g/L, for the duration of 10 min and with minimal agitation. Notably, a higher stirring rate had an overall negative effect on the membrane fouling minimization. | Amira Abdelrasoul Huu Doan Ali Lohi Chil-Hung Cheng | 2017 | Journal of Environmental Sciences2017,29,2: | 3 |
| 12 | Acoustic radiation force impulse imaging—normal values of liver stiffness in healthy children显示文摘 | Sylviane Hanquinet Delphine Courvoisier Aikaterini Kanavaki Amira Dhouib Mehrak Anooshiravani | 2013 | Pediatric Radiology2013,,5: | 2 |
| 13 | Prevalence and associated risk factors of recurrent otitis media with effusion in children in Upper Egypt显示文摘Objective:We conducted this study to determine the associations of possible risk factors and prevalence of recurrent otitis media with effusion(OME)in a cohort of children in Upper Egypt.Methods:This was a cross-sectional study undertaken in two tertiary referral centers in Upper Egypt.Associations of possible risk factors with prevalence of recurrent OME were studied.Multi-factor logistic regression analysis was done to recognize the statistically significant risk factors associated with recurrent OME.Results:We collected the data of 2003 pediatric patients,of which 1016 were males(50.7%).A total number of 310 children have OME,including 159 males(51.3%).The prevalence rate of OME in our cohort was 15.5%.Multi-factor logistic regression analysis of the risk factors related to recurrent OME showed it was strongly associated with adenoid hypertrophy(P<0.0001),tonsil hypertrophy(P<0.0001),sinusitis(P<0.0001),posterior nostril polyps(P =0.009),allergic rhinitis(P<0.0001),recurrent URTIs(P=0.029)and gastroesophageal reflux(P=0.031).Conclusions: Our study showed that recurrent OME in children in Upper Egypt is a common multifactorial problem, especially in young age. In our locality, allergic rhinitis, recurrent upper respiratory tract infections, gastroesophageal reflux, adenoid and tonsil hypertrophy were the most important associated factors related to the etiopathogenesis of OME. | Khaled Saad Abobakr Abdelmoghny Yasser F.Abdel-Raheem Eman Fathalla Gad Amira Elhoufey | 2021 | World Journal of Otorhinolaryngology-Head and Neck Surgery2021,7,4: | 2 |
| 14 | Formation of enzymes by biodegradation of agricultural wastes with white rot fungi显示文摘 | Nadia H Abd E1 - Nasser Samia MHelmy Amira A E1 - Gammal | 1997 | Polymer Degradation and Stability1997,55,: | 2 |
| 15 | Circulating soluble triggering receptor expressed on myeloid cells-1 (sTREM-1) as diagnostic and prognostic marker in neonatal sepsis显示文摘 | Amira A.M. Adly Eman A. Ismail Nevine G. Andrawes Marwa A. El-Saadany | 2013 | Cytokine2013,,: | 2 |
| 16 | Clinical significance of inflammatory and fibrogenic cytokines in diabetic nephropathy显示文摘 | Hala O. El Mesallamy Hanaa H. Ahmed Atef A. Bassyouni Amira S. Ahmed | 2012 | Clinical Biochemistry2012,,9: | 2 |
| 17 | Efficacy of Gold Nanoparticles against Nephrotoxicity Induced by Schistosoma mansoni Infection in Mice显示文摘Objective In this study, the ameliorative effects of gold nanoparticles(gold NP) on the renal tissue damage in Schistosoma mansoni(S. mansoni)-infected mice was investigated. Methods High-resolution transmission electron microscopy was used for the characterization of NP. The gold NP at concentrations of 250, 500, and 1000 μg/kg body weight were inoculated into S. mansoni-infected mice. Results The parasite caused alterations in the histological architecture. Furthermore, it induced a significant reduction in the renal glutathione levels; however, the levels of nitric oxide and malondialdehyde were significantly elevated. The parasite also managed to downregulate KIM-1, NGAL, MCP-1, and TGF-β mR NA expression in infected animals. Notably, gold NP treatment in mice reduced the extent of histological impairment and renal oxidative damage. Gold NP were able to regulate gene expression impaired by S. Mansoni infection. Conclusion The curative effect of gold NP against renal toxicity in S. mansoni-infected mice is associated with their role as free radical scavengers. | Mohamed A Dkhil Mona F Khalil2 Amira A Bauom Marwa SM Dia Saleh A1-Qura | 2016 | Biomedical and Environmental Sciences2016,29,11: | 2 |
| 18 | Early detection of hepatocellular carcinoma co-occurring with hepatitis C virus infection: A mathematical model显示文摘AIM: To develop a mathematical model for the early detection of hepatocellular carcinoma(HCC) with a panel of serum proteins in combination with α-fetoprotein(AFP).METHODS: Serum levels of interleukin(IL)-8, soluble intercellular adhesion molecule-1(s ICAM-1), soluble tumor necrosis factor receptor Ⅱ(s TNF-RⅡ), proteasome, and β-catenin were measured in 479 subjects categorized into four groups:(1) HCC concurrent with hepatitis C virus(HCV) infection(n = 192);(2) HCV related liver cirrhosis(LC)(n = 96);(3) Chronic hepatitis C(CHC)(n = 96); and(4) Healthy controls(n = 95). The R package and different modules for binary and multi-class classifiers based on generalized linear models were used to model the data. Predictive power was used to evaluate the performance of the model. Receiver operating characteristic curve analysis over pairs of groups was used to identify the best cutoffs differentiating the different groups. RESULTS: We revealed mathematical models, based on a binary classifier, made up of a unique panel of serum proteins that improved the individual performance of AFP in discriminating HCC patients from patients with chronic liver disease either with or without cirrhosis. We discriminated the HCC group from the cirrhotic liver group using a mathematical model(-11.3 + 7.38 × Prot + 0.00108 × s ICAM + 0.2574 ×β-catenin + 0.01597 × AFP) with a cutoff of 0.6552, which achieved 98.8% specificity and 89.1% sensitivity. For the discrimination of the HCC group from the CHC group, we used a mathematical model [-10.40 + 1.416 × proteasome + 0.002024 × IL + 0.004096 × s ICAM-1 +(4.251 × 10-4) × s TNF + 0.02567 ×β-catenin + 0.02442 × AFP] with a cutoff 0.744 and achieved 96.8% specificity and 89.7% sensitivity. Additionally, we derived an algorithm, based on a binary classifier, for resolving the multi-class classification problem by using three successive mathematical model predictions of liver disease status. CONCLUSION: Our proposed mathematical model may be a useful method for the early detection of different statuses of liver disease co-occurring with HCV infection. | Abdel-Rahman Nabawy Zekri Amira Salah El-Din Youssef Yasser Mabrouk Bakr Reham Mohamed Gabr Ola Sayed Ahmed Mostafa Hamed Elberry Ahmed Mahmoud Mayla Mohamed Abouelhoda Abeer A Bahnassy | 2016 | World Journal of Gastroenterology2016,22,16: | 2 |
| 19 | Delayed leaf senescence induces extreme drought tolerance in a flowering plant显示文摘 | Rosa M R Mikiko K Amira G | 2007 | Proceedings of the National Academy of Sciences2007,104,19: | 1 |
| 20 | Evaluation of an educational training programme for the development of trainers in child mental health in Alexandria显示文摘 | Amira G S E D Faten A K Randa M | 1996 | East Med Health1996,2,3: | 1 |