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排序方式: 共有62条查询结果,搜索用时 46 毫秒
1.
Maggie L Naguib Iris Schrijver Phyllis Gardner Lynn M Pique Samiha S Doss Mona A Abu Zekry Mona Aziz Samya Z Nasr 《Journal of cystic fibrosis》2007,6(2):111-116
BACKGROUND: Knowledge about Cystic Fibrosis (CF) in Egypt is very limited. The objective of this study was to screen for CF in Egyptian children with suggestive clinical features and to identify causative genetic mutations. METHODS: Sixty-one patients from the Chest Unit, Cairo University Children's Hospital, Egypt, were included. Subjects presented with persistent or recurrent respiratory symptoms, failure to thrive, diarrhea and/or steatorrhea and unexplained persistent jaundice. Patients were screened using the CF Indicatortrade mark sweat test system (PolyChrome Medical, Inc., Brooklyn Center, MN). A quantitative sweat testing was conducted on 10 of the 12 positive patients. Seven probands and one sibling underwent molecular analysis by direct DNA sequencing of the coding region and of the intronic sequences adjacent to the 27 exons of the CFTR gene. RESULTS: Of 61 patients, 12 (20%) had positive sweat chloride screening. Ten of the 12 patients underwent quantitative sweat testing and were positive. Eight CFTR sequence changes were identified in seven affected probands and two were confirmed in one sibling by direct DNA sequencing. CONCLUSION: The study results suggest that CF is more common in Egypt than previously anticipated. Larger studies are warranted to identify the incidence, molecular basis and clinical pattern of CF in the Egyptian population. 相似文献
2.
Jasmine Aliya G.V. Akila Durai Vanitha M. Anitha Rani Shriraam Vanishree V. Samya T. Gayathri Mahadevan Shriraam 《International journal of diabetes in developing countries.》2021,41(2):293-300
International Journal of Diabetes in Developing Countries - There is a huge burden of diabetes-related complications, both microvascular and macrovascular, in India. With the rising prevalence of... 相似文献
3.
Salma M. Wakil Saeed Bohlega Samya Hagos Batoul Baz Haya Al Dossari Khushnooda Ramzan Zuhair N. Al-Hassnan 《European journal of medical genetics》2013,56(1):43-45
Hereditary Spastic Paraplegias (HSP) encompass a clinically and genetically heterogeneous group of neurodegenerative disorders characterized by insidiously progressive weakness and spasticity of the lower extremities. We describe a consanguineous Saudi family segregating a complicated form of HSP in an autosomal recessive pattern. The two affected siblings had early onset, cognitive, speech and motor involvement with spasticity of the lower extremities. Their upper extremities were mildly hypertonic. An intronic splice acceptor site mutation in ERLIN2 was found to be responsible for causing this disorder found in this family. ERLIN2 is a mediator of endoplasmic reticulum degradation pathway (ERAD) which helps to remove the aberrant proteins. Our results, in concurrence with previous studies suggest that alteration in ERLIN2 is one of the causes of complicated HSP, thereby increasing the spectrum of known mutations in SPG18. 相似文献
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Samya de Lara Lins de Araujo Pinheiro Paulo Hilário Nascimento Saldiva Joel Schwartz Antonella Zanobetti 《Revista de saúde pública》2014,48(6):881-888
OBJECTIVE
To analyze the effect of air pollution and temperature on mortality due to cardiovascular and respiratory diseases.METHODS
We evaluated the isolated and synergistic effects of temperature and particulate matter with aerodynamic diameter < 10 µm (PM10) on the mortality of individuals > 40 years old due to cardiovascular disease and that of individuals > 60 years old due to respiratory diseases in Sao Paulo, SP, Southeastern Brazil, between 1998 and 2008. Three methodologies were used to evaluate the isolated association: time-series analysis using Poisson regression model, bidirectional case-crossover analysis matched by period, and case-crossover analysis matched by the confounding factor, i.e., average temperature or pollutant concentration. The graphical representation of the response surface, generated by the interaction term between these factors added to the Poisson regression model, was interpreted to evaluate the synergistic effect of the risk factors.RESULTS
No differences were observed between the results of the case-crossover and time-series analyses. The percentage change in the relative risk of cardiovascular and respiratory mortality was 0.85% (0.45;1.25) and 1.60% (0.74;2.46), respectively, due to an increase of 10 μg/m3 in the PM10 concentration. The pattern of correlation of the temperature with cardiovascular mortality was U-shaped and that with respiratory mortality was J-shaped, indicating an increased relative risk at high temperatures. The values for the interaction term indicated a higher relative risk for cardiovascular and respiratory mortalities at low temperatures and high temperatures, respectively, when the pollution levels reached approximately 60 μg/m3.CONCLUSIONS
The positive association standardized in the Poisson regression model for pollutant concentration is not confounded by temperature, and the effect of temperature is not confounded by the pollutant levels in the time-series analysis. The simultaneous exposure to different levels of environmental factors can create synergistic effects that are as disturbing as those caused by extreme concentrations. 相似文献7.
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Accurate and detailed understanding of the effects of variants in the coding and noncoding regions of the genome is the next big challenge in the new genomic era of personalized medicine, especially to tackle newer findings of genetic and phenotypic heterogeneity of diseases. This is necessary to resolve the gene‐variant–disease relationship, the pathogenic variant spectrum of genes, pathogenic variants with variable clinical consequences, and multiloci diseases. In turn, this will facilitate patient recruitment for relevant clinical trials. In this review, we describe the trends in research at the intersection of basic and clinical genomics aiming to (a) overcome molecular diagnostic challenges and increase the clinical utility of next‐generation sequencing (NGS) platforms, (b) elucidate variants associated with disease, (c) determine overall genomic complexity including epistasis, complex inheritance patterns such as “synergistic heterozygosity,” digenic/multigenic inheritance, modifier effect, and rare variant load. We describe the newly emerging field of integrated functional genomics, in vivo or in vitro large‐scale functional approaches, statistical bioinformatics algorithms that support NGS genomics data to interpret variants for timely clinical diagnostics and disease management. Thus, facilitating the discovery of new therapeutic or biomarker options, and their roles in the future of personalized medicine. 相似文献
9.
Ziyad Mahfoud Rana Emam Dana Anchassi Setarah Omran Najlaa Alhaj Samya Al-Abdulla 《Women & health》2019,59(6):631-645
Premenstrual dysphoric disorder (PMDD) is not well-studied in Arab populations. The goal of this study was to validate the Arabic version of the Premenstrual Symptoms Screening Tool (PSST) using the DSM diagnosis of PMDD as the gold standard. The PSST was translated and culturally adapted using back translation and the approval of the original author. We recruited 194 adult women (between October 2013 and March 2014) from two primary care centers in Doha, Qatar. A psychiatrist determined the diagnosis using the semi-structured Mini International Neuropsychiatric Interview, and another rater blinded to the diagnosis finalized the Arabic PSST and administered other clinical questionnaires. The data showed that premenstrual symptoms and PMDD were observed in about 37 percent and 15 percent, respectively, of the women enrolled. The mean age of the women with PMDD according to the PSST was about 30 years, and the majority had children. The Arabic PSST showed high specificity of 95.6 percent but low sensitivity of 26.7 percent. A factor analysis of the different items in Arabic PSST showed that the Arabic PSST could detect the cases with definite PMDD and thus can be a useful tool in primary care settings as this treatable disorder is underdiagnosed in the Arab populations. 相似文献
10.
Cystic fibrosis (CF) is the most common autosomal-recessive disease in Caucasians. Colonization with Pseudomonas aeruginosa (P. aeruginosa) of the CF airways causes deterioration of pulmonary status. TOBI (Tobramycin solution for inhalation) is an inhaled antibiotic that can improve the pulmonary disease. We report on a 9-year old boy with CF who developed a rash following a course of IV gentamicin. The rash resolved after its discontinuation. However, the rash returned all over his body, with the start of inhalation of TOBI therapy. We desensitized the patient using escalating doses of inhaled TOBI. He tolerated the procedure well, and continues to be on TOBI 9 months after desensitization on a once-a-day regimen. 相似文献