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A POST-ARREST CARE BUNDLE IMPROVES QUALITY OF CARE AND CLINICAL OUTCOMES DURING THE NORMOTHERMIA ERA. Can J Cardiol 2022. [DOI: 10.1016/j.cjca.2022.08.145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Correction: Generation and characterization of a novel hematopoietic progenitor cell line with DC differentiation potential. Leukemia 2021; 35:2139. [PMID: 33875794 DOI: 10.1038/s41375-021-01223-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Effect of Potassium and Salicylic Acid Foliar Application on Dieffenbachia picta Plants with Different Irrigation Water Rates. JOURNAL OF PLANT PRODUCTION 2021; 12:97-103. [DOI: 10.21608/jpp.2021.152024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Implementing group research assignment in undergraduate medical curriculum; impact on students' performance and satisfaction. BMC MEDICAL EDUCATION 2020; 20:229. [PMID: 32690095 PMCID: PMC7370433 DOI: 10.1186/s12909-020-02137-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 07/02/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Medical educators need to integrate research skills within undergraduate medical curriculum to help students perceive their relevance to routine doctor's practice. The current work aimed to assess the impact of including group research assignment in the endocrine module to third year medical students on attaining some research, communication and E learning skills and on their performance in the module. METHODS Students carried out a group research activity (N = 10), wrote a report and presented their work as a poster, booklet or video clip. Multiple evaluation methods were used; a questionnaire to assess students' satisfaction and perception towards the skills acquired and a rubric to grade the research report and presentation. Also, students' final grades in the module were compared with that of the previous cohort who didn't conduct the research assignment. RESULTS Students' response rate to the questionnaire was 50%. 73.6% of students agreed that research enhanced critical evaluation of literature while 65.5% felt confident to further participate in research and 66.7% were satisfied about the whole research experience. Mean score of assignment was 84% for female students and 78% for male students. Grades of the current cohort in the endocrine module were significantly higher than that of the preceding cohort (78.7 ± 11 and 70.2 ± 13 respectively P< 0.001). CONCLUSION The current study pointed to the positive impact of implementing group research assignment within the undergraduate medical curriculum. Students were satisfied about the research exposure, agreed attaining some skills and got higher grades than preceding peers.
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Using of red palm oil as milk fat healthy replacer in ice milk. AL-AZHAR JOURNAL OF AGRICULTURAL RESEARCH 2020; 45:8-22. [DOI: 10.21608/ajar.2020.126614] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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THU0588 TAKAYASU’S ARTERITIS PRESENTING WITH UNILATERAL DIGITAL CLUBBING IN A 23 YEAR-OLD MALE. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.3859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Takayasu Arteritis is a chronic, large vessel arteritis that commonly involves the aorta and its major branches, mostly the ascending/descending aorta, subclavian arteries, and carotids [1].Herein, we report a case of a 23 year-old medically free Indian male who presented to our hospital in acute distress complaining of cough, hemoptysis and shortness of breath for one week as well as intermittent fever and fatigue for five months. He presented with a BP of 140/100 mmHg as well was both systolic and early diastolic murmurs in the mitral and aortic areas, respectively. He also had a paraumbilical bruit and unilateral clubbing in the left hand with digital ischemia of the left index finger. Doppler ultrasound of the left arm showed monophasic flow pattern with low velocity in left distal radial, distal ulnar, and all digital arteries, except the second digital arteries; low velocity in the median artery; and no flow in the lateral artery of second digit (Figure 1). Computed tomography angiogram (CT Angio) (Figure 2) of the chest, abdomen, and pelvis showed fusiform aneurysm dilatation of the thoracic aorta extending into the right braciocephalic and subclavian arteries as well as the right common carotid artery.Figure 1.Figure 2.Unilateral clubbing in patients with TA occurs as a result of subclavian artery stenosis that leads to tissue ischemia and hypoxia [2-4]. In turn, the bone marrow release megakaryocytes, which enter the systemic circulation when an A-V shunt exists [5]. Platelet-derived growth factor (PDGF) (release from megakaryocytes) and vascular endothelial growth factor (VEGF) levels are highly expressed in the connective tissues of nail beds, leading to its proliferation and platelets clumps‘ accumulation [6, 7].Objectives:To report the fourth case worldwide and third case of an adult, respectively, with Takayasu’s arteritis who presents with unilateral clubbing.Methods:Our patient was started on pulse steroid therapy of methylprednisolone 1 gram IV od for 5 days and later switched to prednisolone 20 mg po BID. He also received methotrexate 10 mg PO once weekly and rituximab 750 mg IV stat; another dose of rituximab was given two weeks later.Results:His clubbing has significantly improved within 2 weeks of starting immunosuppressive therapy. He was discharged with follow up on methotrexate 12.5 mg PO once weekly and prednisilone 20 mg PO OD (to be tapered). Clubbing improved by a rate of 60% two weeks following discharge in two weeks.Conclusion:In all four cases of Takayasu arteries presenting with unilateral clubbing, patients’ clinical condition including presence of clubbing improved after initiation of immunosuppressive therapy.References:[1]Alibaz-Öner, F., Aydin, S. Z., & Direskeneli, H. (2015). Recent advances in Takayasu’s arteritis.European Journal of Rheumatology,2(1), 24–30.[2]Kaditis AG, Nelson AM, Driscoll DJ. Takayasu\’s arteritis presenting with unilateral digital clubbing. J Rheumatol 1995;22:2346-8.[3]Ishikawa M, Okada J, Kondo H. Takayasu’s arteritis with transient clubbed finger. Clin Exp Rheumatol 1999;17:629-30.[4]Bivilibal M, Duru N, Dogdu G, Elevli M, Ayta S. A Takayasu’s Arteritis Case with Unilateral Digital Clubbing. Turk J Rheumatol. 2011;26(2):163–166.[5]Martínez-Lavín M. Hypertrophic osteoarthropathy. Curr Opin Rheumatol. 1997 Jan;9(1):83-6. Review. PubMed PMID: 9110140.[6]Dickinson CJ, Martin JF. Megakaryocytes and platelet clumps as the cause of finger clubbing. Lancet 1987;2:1434-5.[7]Atkinson S, Fox SB. Vascular endothelial growth factor (VEGF)-A and platelet-derived growth factor (PDGF) play a central role in the pathogenesis of digital clubbing. J Pathol 2004;203:721-8.Disclosure of Interests:None declared
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Immunohistochemical Expression of Programmed Death Ligand-1 (PDL-1) in Colorectal carcinoma and Its Correlation with Stromal Tumor Infiltrating Lymphocytes. Asian Pac J Cancer Prev 2020; 21:225-232. [PMID: 31983188 PMCID: PMC7294013 DOI: 10.31557/apjcp.2020.21.1.225] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Accepted: 01/10/2020] [Indexed: 11/25/2022] Open
Abstract
OBJECTIVES Detection of Immunohistochemical (IHC) expression of PDL-1 by tumor cells and stromal tumor infiltrating lymphocytes (TILs) in colorectal carcinoma, to investigate the possibility of using it as a targeted therapy, as well as, correlation of this expression with the clinico-pathologic parameters of the tumors. MATERIALS AND METHODS Colorectal tissue sections were collected from 60 colectomy specimens were taken from Kasr El Ainy Hospital, Faculty of Medicine, Cairo University. Exclusion criteria included cases with missing data and cases who received chemotherapy or radiotherapy. IHC expression of PDL-1 was investigated in tumor cells (T) and stromal TILs separately. PDL-1 positivity was defined as PDL-1 expression on ≥ 5% of membranous positive cell staining of any intensity. RESULTS PDL-1 (T) expression was detected in 25% of cases and showed statistically significant correlation with higher tumor grade and right sided colon tumors (P value < 0.05). PD-L1 stromal TILs expression was detected in 38.3 % of cases. Insignificant statistical relation between Stromal TILs PDL-1 expression and the tumor extent (T) was detected (P value = 0.07), however, the expression of PDL-1 in lymphocytes was inversely proportional to the tumor extent (invasion). There were linear relation between PDL-1 expression stromal (TILs) (33.3%) and PDL-1 expression in tumor cells (28.2%) and positive lympho-vascular invasion but it was statistically insignificant (P value = 0.4 and 0.2 respectively). Despite there were no statistical relation between either PDL-1 (T) and PDL-stromal TILS and Perineural invasion (P value =1 and 0.5) but inverse relation was noticed with more PDL-1 expression in tumor cells (24.5%) and TILS (40.8%) with negative Perineural invasion. CONCLUSION Our results supported PDL-1 expression in CRC by both TC and TILs, with higher expression in subset of tumors that are high grade highlighting them as candidates for anti- PD-1/PDL-1 therapy. .
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Paclitaxel as continuation maintenance therapy in patients with advanced non-small cell lung cancer. Ann Oncol 2019; 30:ix172. [DOI: 10.1093/annonc/mdz437.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023] Open
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Durability of supersulphated cement pastes activated with Portland cement in magnesium chloride solution. EGYPTIAN JOURNAL OF CHEMISTRY 2019. [DOI: 10.21608/ejchem.2019.6563.1579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Association of genetic polymorphisms of chemokines and their receptors with clearance or persistence of hepatitis C virus infection. Br J Biomed Sci 2018; 76:11-16. [PMID: 30175654 DOI: 10.1080/09674845.2018.1518299] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Polymorphisms of certain genes may have an effect on either persistence of infection or spontaneous clearance of hepatitis C virus (HCV). We hypothesized that one or more variants of chemokines (CCL2 and CCL5) and chemokine receptors (CC chemokine receptor type 2 [CCR2]) genes are associated with the susceptibility to HCV infection. METHODS We recruited 1460 patients with chronic HCV (CHC), 108 subjects with spontaneous virus clearance (SVC) and 1446 individuals as a healthy control group. All were genotyped for single nucleotide polymorphisms: rs13900 C/T of CCL2, rs3817655 T/A of CCL5 and rs743660 G/A and rs1799864 G/A of CCR2 using allelic discrimination real-time PCR technique. RESULTS The carriage of the A allele of CCR2 rs743660 was significantly higher in CHC compared to SVC (odds ratio [OR] 4.03) and to controls (1.42) and in controls compared to SVC (2.85) (all P < 0.01). Similarly, the A allele of CCR2 rs1799864 was significantly higher in the CHC group when compared with both SVC (1.97) and controls (2.13) (both P < 0.01), but the OR between controls and SVC was not significant (1.08, P = 0.723). Carriage of C allele of CCL2 rs13900 and the T allele of CCL5 rs3817655 were significantly higher in SVC group when compared with both CHC (OR = 0.19 and OR = 0.24, respectively) and control groups (OR = 0.65 and OR = 0.45, respectively [all P < 0.01]). CONCLUSIONS Susceptibility to HCV infection is associated with A alleles of both (rs743660 and rs1799864 G/A) of CCR2 while spontaneous clearance of HCV is associated with the C allele of rs13900 of CCL2 and T allele of rs3817655 of CCL5.
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The association of single nucleotide polymorphisms of Toll-like receptor 3, Toll-like receptor 7 and Toll-like receptor 8 genes with the susceptibility to HCV infection. Br J Biomed Sci 2018; 75:175-181. [DOI: 10.1080/09674845.2018.1492186] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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EVALUATION OF STABILITY AND MATURITY OF COMPOSTED RICE STRAW, OLIVE POMACE AND SOME AGRICULTURAL WASTES. ARAB UNIVERSITIES JOURNAL OF AGRICULTURAL SCIENCES 2018; 26:267-279. [DOI: 10.21608/ajs.2018.13993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Integrated gasification combined cycle using Egyptian Maghara coal-rice straw feedstock. WASTE MANAGEMENT & RESEARCH : THE JOURNAL OF THE INTERNATIONAL SOLID WASTES AND PUBLIC CLEANSING ASSOCIATION, ISWA 2017; 35:656-668. [PMID: 28462684 DOI: 10.1177/0734242x17702728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Rice straw is an agricultural waste that causes an annoying problem in Egypt if it is not well exploited. This study focuses on using this waste in power generation by co-gasification of Egyptian Maghara coal and rice straw blends using entrained flow gasifier technology. Aspen Plus was used to conduct a parametric study for investigation of the effect of changing the inputs to the gasifier on the produced gas composition. Three different input parameters, influencing the performance of the gasifier, including the percentage of coal to rice straw in the blend, the fraction of added water to the blend, and the mass percentage of oxygen with respect to the mass of the blend fed to the gasifier were analysed. Two alternative power production schemes (with and without carbon capturing) have been investigated. The obtained optimum feed conditions are: 40% coal in the feed blend, 20% water concentration in the feed slurry, and 80% oxygen with respect to the dry feed blend to the gasifier. For (10 0000 kg per hour) of the feed blend, the power generated was 270.1 MW in the case of non-carbon capturing, while in the case of carbon capturing, 263.52 MW was generated. Although it produces less power, applying carbon capturing techniques means handling less flue gas and thus using smaller gas turbines and results in more environmentally friendly emissions.
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COMPARATIVE STUDY ON SONICATED AND FORMALIN INACTIVATED E.COLI VACCINES IN CHICKENS. MANSOURA VETERINARY MEDICAL JOURNAL 2016; 17:1-10. [DOI: 10.21608/mvmj.2016.129780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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First insight into the genetic population structure of Mycobacterium tuberculosis isolated from pulmonary tuberculosis patients in Egypt. Tuberculosis (Edinb) 2015; 96:13-20. [PMID: 26786649 DOI: 10.1016/j.tube.2015.11.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Revised: 10/31/2015] [Accepted: 11/08/2015] [Indexed: 11/19/2022]
Abstract
The present study aimed to assess the population structure of Mycobacterium tuberculosis (MTB) isolates from Egypt. A total of 230 MTB isolates were analysed using spoligotyping, large sequence polymorphism (LSPs), mycobacterial interspersed repetitive unit-variable number tandem repeat (MIRU-VNTR) typing and multi-locus sequence typing (MLST). The majority of isolates (93.0%) belonged to lineage 4, including 44.3, 13.4 and 10.8% of the ill-defined T clade, LAM and Haarlem families, respectively, and lineage 3 was identified in 7.0% of the isolates. MIRU-VNTRs typing allowed efficient discrimination of the spoligotype-defined clusters, including spoligo-international types (SIT) 53, 34, and 4, into 56 patterns, including 13 clusters and 43 unique patterns. A new SNP at position 311614 was identified in all six isolates to form the biggest MIRU-VNTR cluster, which suggested a recent clonal expansion. This SNP could possibly be used as a genetic marker for robust discriminations of Egyptian MTB isolates belonging to SIT53. The combination of spoligotyping, 12 MIRU-VNTRs loci and MLST provided insight into the genetic diversity and transmission dynamics of the Egyptian MTB genotypes and could be a key to implementation of effective control measures by public health authorities.
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Targeted temperature management after cardiac arrest and fever control with an esophageal cooling device. Crit Care 2015. [PMCID: PMC4471495 DOI: 10.1186/cc14504] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
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172. Evaluating assessment tools to predict axillary status postneoadjuvant chemotherapy in locally advanced breast carcinoma. Eur J Surg Oncol 2014. [DOI: 10.1016/j.ejso.2014.08.167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Feasibility and outcomes of endovascular embolization of cerebral arteriovenous malformations at a low-volume centre. JOURNAL OF VASCULAR AND INTERVENTIONAL NEUROLOGY 2013; 5:4-8. [PMID: 23459250 PMCID: PMC3584819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
BACKGROUND AND PURPOSE Herein, we report our initial experience with the endovascular management of cerebral arteriovenous malformations (AVMs) using the liquid embolic agent Onyx and n-butyl cyanoacrylate for AVM embolization. METHODS We reviewed data from 15 patients with brain AVMs, who were observed at our endovascular facility from January 2008 to July 2011. All cases were embolized with Onyx and/or n-butyl cyanoacrylate. There were 8 women and 7 men with a mean age of 27.2 years (range 17-43 years). The clinical presentations included intracerebral haemorrhage (n = 7), seizures (n = 4), headache (n = 2), and focal neurological deficits (n = 2); according to the Spetzler-Martin classification (Spetzler R and Martin N (1986) J NeurosurgV65 446-83), 8 AVMs were grades I-II, 5 were grade III, and 2 were grades IV-V. RESULTS A total of 31 embolization procedures were performed in 15 patients, and 44 feeding pedicles were embolized, ranging from 1 to 5 per patient, with an average size reduction of 70% (median 75%, range 40-100%). Total obliteration was achieved for 3 AVMs (20%) (2 patients had single feeders and 1 patient had double feeders), and a partial embolization was achieved in 12 patients (80%). The procedure was related to a permanent disabling morbidity in one patient (6.6%), and no mortalities occurred. CONCLUSIONS The outcome of (AVM) embolization in our centre is comparable to the reported outcome in other larger-volume centres. The feasibility and safety of AVM embolization in our low-volume centre are similar to the outcomes reported at high-volume centre.
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Occupational and environmental risk factors for idiopathic pulmonary fibrosis in Egypt: a multicenter case-control study. THE INTERNATIONAL JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL MEDICINE 2012; 3:107-116. [PMID: 23022860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Accepted: 02/02/2012] [Indexed: 06/01/2023]
Abstract
BACKGROUND Despite the advances in medical therapy and technology, the prognosis of idiopathic pulmonary fibrosis (IPF) remains poor and the need for disease prevention based on identifying the risk factors becomes mandatory. Occupational and environmental exposures were studied in several countries and found to play important role in the disease development. However, in Egypt, a little attention has been paid to study the effect of these factors in the disease development. OBJECTIVE To identify the occupational and environmental risk factors associated with the development of IPF in Egypt. METHODS A multicenter hospital-based case-control study was carried out in chest hospitals affiliated to three Egyptian cities-Cairo, Tanta and Mansoura. Subjects were 201 patients with confirmed IPF (cases) and 205 age-, sex- and residence-matched controls. Data on occupational and environmental factors were obtained from a questionnaire. Multiple logistic regression analysis was used to determine the independent risk factors of IPF in both sexes for single factors with adjustment for age, residence and smoking status. RESULTS Compared with the controls, the risk of IPF in male workers was observed to increase significantly in chemical and petrochemical industries and carpentry and wood working (OR = 2.56, 95% CI: 1.02-7.01), and with occupational exposures to wood dust and wood preservatives. Among female workers, a significant increase was observed in farming (OR = 3.34, 95% CI: 1.17-10.12), raising birds and occupational exposures to animal feeds, products and dusts and pesticides. Risk of IPF decreased significantly in male workers and insignificantly among female workers in sales and clerical related activities. The environmental exposures to birds and cats were significantly associated with elevated risk of IPF development in both sexes. CONCLUSION In Egypt, farming, raising birds and wood working are important risk factors for the development of IPF.
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O686 The use of colposcopy versus colposcopy and optical detection system in diagnosis of squamous intraepithelial lesions of the cervix: A clinical comparative study. Int J Gynaecol Obstet 2011. [DOI: 10.1016/s0020-7292(09)61059-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abundance-occupancy relationships and implications for conservation of desert plants in the northwestern Red Sea region. COMMUNITY ECOL 2009. [DOI: 10.1556/comec.10.2009.1.11] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Vegetation distribution along the altitudinal gradient in the northwestern Red Sea region. COMMUNITY ECOL 2007. [DOI: 10.1556/comec.8.2007.2.2] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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PO-89 Evaluation of some hemostatic parameters in patients with end-stage renal disease: relation to dyslipidemia and hemodialysis therapy. Thromb Res 2007. [DOI: 10.1016/s0049-3848(07)70242-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Generation and characterization of a novel hematopoietic progenitor cell line with DC differentiation potential. Leukemia 2006; 20:870-6. [PMID: 16511513 DOI: 10.1038/sj.leu.2404157] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Studies of hematopoietic stem cell (HSC)-derived dendritic cells (DCs) are often limited by the rarity of HSC. To facilitate the study of DCs, we have generated a novel cell line (CR1) by retroviral Notch(IC) gene transfer into Sca1(+)ckit(+)lin- HSC. CR1 cells proliferated in vitro in the presence of recombinant interleukin-3. They maintained an immature progenitor cell phenotype and an intact karyotype. In the presence of granulocyte-macrophage colony-stimulating factor or Flt3L, CR1 cells differentiated into myeloid and plasmacytoid DCs, respectively. Functionally, CR1 cells were comparable to primary bone-marrow-derived DCs with respect to Toll-like-receptor-mediated maturation, cytokine release and capacity to induce effective antitumor immunity. CR1 cells thus provide an elegant new cellular tool to study DC development, function and preclinical DC-based immunotherapies.
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Cigarette smoking: penile hemodynamic changes resulting in erectile dysfunction. Fertil Steril 2001. [DOI: 10.1016/s0015-0282(01)02772-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Die solare Einstrahlungsverteilung in Hohlraumreceivern bei Ungenauigkeit von Spiegelkontur und Sonnennachführung / Determination of the radiation distribution in solar heated receivers with real parabolic dish collectors. KERNTECHNIK 1987. [DOI: 10.1515/kern-1987-500311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Abstract
Clinical and pathological changes following neurectomy were studied experimentally in 46 male and female equids. Sixty-three operations were performed using either the traditional or the Fackelman and Clodius methods of neurectomy. The effect of arteriovenous ligation was studied in 12 animals and 20 angiograms were performed post mortem to study the arterial pattern of the extremities of the operated limb. Neuroma formation (31 cases) and sloughing of the hoof (five cases) were the two main untoward sequelae. Neurectomy by the technique of Fackelman and Clodius proved superior to the traditional method. No essential changes were observed after ligation of the blood vessels, except in one case where collateral circulation was established.
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