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Chee Seng HEE Suk Chyn GUN Rakesh NAIDU Sushela Devi SOMNATH Ammu Kutty RADHAKRISHNAN 《International journal of rheumatic diseases》2008,11(2):148-154
Aim: Recent studies have shown that single nucleotide polymorphisms (SNPs) have been identified within the promoter of the human interleukin-10 (IL-10) gene may participate in the pathogenesis of systemic lupus erythematosus (SLE) and may be related to disease activity. This is a pilot study that investigated the allelic and genotype frequencies of three SNPs in the human IL-10 gene promoter [rs1800896 (position: –1082G > A), rs1800871 (position: –824C > T) and rs1800872 (position: –597C > A)] among Malaysian SLE patients and normal subjects. Methods: Blood was drawn from 44 SLE patients and 44 age- and sex-matched healthy control subjects for DNA extraction. The SNPs were identified using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. Results: There was no significant difference in the genotype and allele frequencies between the SLE patients and control subjects. A statistically significant difference was detected in the haplotype frequencies between the patients and controls (P = 0.004). Conclusions: There is a significant difference in the haplotype frequencies between the SLE patients and controls; the SNPs in the human IL-10 gene promoter could play an important role in the pathogenesis of SLE. 相似文献
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NATHAN LAWRENTSCHUK JASON OOI ANNA PANG KRISHANT S NAIDU DAMIEN M BOLTON 《International journal of urology》2006,13(4):350-353
OBJECTIVE: To investigate if women with recurrent urinary tract infection (UTI) warrant cystoscopy to exclude an abnormality of the lower urinary tract. This is particularly relevant given that non-invasive imaging has often been performed to exclude abnormality. Our further aims were to correlate imaging and risk factors with cystoscopic findings to determine their predictive value in finding pathology. PATIENTS AND METHODS: A database of women undergoing cystoscopy with recurrent UTI has been maintained at our institution for 10 years. We retrospectively examined this and patient records for patient demographics, and investigative and operative data. RESULTS: A total of 118 patients (mean 55 years) having recurrent UTI (mean 4.7 infections/year) were available. There were nine patients (8%) with significant abnormalities at cystoscopy: urethral stricture (six), bladder calculus (one), bladder diverticulum (one) and colovesical fistula (one). The negative predictive value (NPV) of imaging was 99% and significant (P < 0.01). Women with no risk factors for UTI had a NPV of 93% for normal cystoscopy (P > 0.05). The positive predictive value was low for imaging and risk factors in predicting cystoscopy findings. CONCLUSIONS: In our study, 8% of women had significant abnormalities detected during cystoscopy with most over 50 years. Women without risk factors for recurrent UTI and with normal imaging could have a cystoscopy omitted. Younger women are less likely to have pathology and this must be factored into decisions to perform cystoscopy. 相似文献
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