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排序方式: 共有31条查询结果,搜索用时 281 毫秒
1.
Sujak SL Abdul-Kadir R Omar R 《Asia-Pacific journal of public health / Asia-Pacific Academic Consortium for Public Health》2005,17(1):15-18
The objective of this study was to assess the perceptions of Malaysian HIV-positive subjects towards the attitude of dental personnel in providing oral care to them. The study design was cross-sectional with the sampling frame comprising of 27 Government Drug Rehabilitation Centres throughout Malaysia. A convenience sample was then taken from 20 centres with the highest enrolment of HIV-positive subjects. A self-administered questionnaire was used to elicit information on the perception of HIV-positive subjects towards the attitude of dental personnel in providing oral care to the patient with HIV-positive. The study sample consisted of 509 HIV-positive individuals with a mean age of 31.3+/-12.9 years old. Of these, only 15.1% attended a dental clinic after confirmation of HIV-positive status. The study demonstrated that 67.5% of the HIV-positive subjects disclosed their status voluntarily to the dentists and majority of the dentists (76.9%) did not show any negative reaction on knowing their HIV positive status. There was also no difference in the attitude of auxiliary staff toward the above disclosure. In conclusion, the study showed that oral health care personnel are more receptive to the HIV-positive subjects receiving dental care and treatment. 相似文献
2.
Effects of Histone Deacetylase Inhibitor (HDACi); Trichostatin-A (TSA) on the expression of housekeeping genes 总被引:1,自引:0,他引:1
In quantitative RT-PCR (qRT-PCR), analysis of gene expression is dependent on normalization using housekeeping genes such as 18S rRNA, GAPDH and beta actin. However, variability in their expression has been reported to be caused by factors like drug treatment, pathological states and cell-cycle phase. An emerging area of cancer research focuses on identifying the role of epigenetic alterations such as histone modifications and DNA methylation in the initiation and progression of cancer. Histone acetylation is the best studied modification so far and has been probed through the use of histone deacetylase inhibitors (HDACi). Further, modulation of histone acetylation is currently being explored as a therapeutic strategy in the treatment of cancer and HDACis have shown promise in inhibiting tumorigenesis and metastasis. Trichostatin-A (TSA) is the most widely used HDACi. Therefore, we were driven to identify a suitable internal control for RT-PCR following TSA treatment. We performed quantitative RT-PCR analysis using mouse prostate tissue explants, human prostate cancer (LNCaP) cells and human breast cancer (T-47D and ZR-75-1) cells following TSA treatment. Expression of housekeeping genes including 18S rRNA, beta actin, GAPDH and ribosomal highly-basic 23-kDa protein (rb 23-kDa, RPL13A) were compared in vehicle versus TSA treated samples. Our results showed marked variations in 18S rRNA, beta actin mRNA and GAPDH mRNA levels in mouse prostate explants and a human prostate cancer (LNCaP) cell line following TSA treatment. Furthermore, in two human breast cancer cell lines (T-47D and ZR-75-1) 18S rRNA, beta actin mRNA and GAPDH mRNA levels varied significantly. However, RPL13A mRNA levels remained constant in all the conditions tested. Therefore, we recommend use of RPL13A as a standard for normalization during TSA treatment. 相似文献
3.
Travis J. Meyers Adam B. Weiner Rebecca E. Graff Anuj S. Desai Lauren Folgosa Cooley William J. Catalona Stephen B. Hanauer Jennifer D. Wu Edward M. Schaeffer Sarki A. Abdulkadir Shilajit D. Kundu John S. Witte 《International journal of cancer. Journal international du cancer》2020,147(10):2735-2742
Inflammatory bowel disease (IBD) is an established risk factor for colorectal cancer. Recent reports suggesting IBD is also a risk factor for prostate cancer (PC) require further investigation. We studied 218 084 men in the population-based UK Biobank cohort, aged 40 to 69 at study entry between 2006 and 2010, with follow-up through mid-2015. We assessed the association between IBD and subsequent PC using multivariable Cox regression analyses, adjusting for age at assessment, ethnic group, UK region, smoking status, alcohol drinking frequency, body mass index, Townsend Deprivation Index, family history of PC and previous prostate-specific antigen testing. Mean age at study entry was 56 years, 94% of the men were white, and 1.1% (n = 2311) had a diagnosis of IBD. After a median follow-up of 78 months, men with IBD had an increased risk of PC (adjusted hazard ratio [aHR] = 1.31, 95% confidence interval [CI] = 1.03-1.67, P = .029). The association with PC was only among men with the ulcerative colitis (UC; aHR = 1.47, 95% CI = 1.11-1.95, P = .0070), and not Crohn's disease (aHR 1.06, 95% CI = 0.63-1.80, P = .82). Results are limited by lack of data on frequency of health care interactions. In a large-scale, prospective cohort study, we detected an association between IBD, and UC specifically, with incident PC diagnosis. 相似文献
4.
5.
Dikshat Gopal Gupta PhD Neelam Varma MD Praveen Sharma MD Mihai I. Truica MD PhD Sarki A. Abdulkadir MD PhD Parmod Singh PhD Man Updesh Singh Sachdeva MD Shano Naseem MD Mohammad Rizwan Siddiqui PhD Parveen Bose MSc Jogeshwar Binota MSc Pankaj Malhotra MD Alka Khadwal MD Amita Trehan Subhash Varma MD 《Cancer》2023,129(21):3390-3404
6.
Riddell A Abdul-Kadir R Pollard D Tuddenham E Gomez K 《Thrombosis and haemostasis》2011,106(3):521-527
Although factor XI (FXI) concentrate is an effective replacement therapy in severe FXI deficiency without inhibitors, some patients are unwilling to receive it because it is plasma-derived. We report on the use and monitoring of low dose, recombinant factor VIIa (rFVIIa, NovoSeven?), to cover surgery (caesarean section, cholecystectomy and abdominoplasty) in four female patients (FXI:C 2-4 IU/dl, aged 32-51 years) who wished to avoid exposure to plasma. None of our patients had inhibitors to FXI. Our aim was to find the optimal dose of rFVIIa by in vitro spiking of patient samples and to correlate this with the response to rFVIIa in vivo . Prior to surgery, venous blood was collected into sodium citrate with corn trypsin inhibitor and spiked with 0.25-1.0 μg/ml rFVIIa in vitro , equivalent to a 15-70 μg/kg dose of rFVIIa in vivo . Analysis using thromboelastometry and thrombin generation assays, triggered with tissue factor, showed that the thrombin generation assay was insufficiently sensitive to the haemostatic defect in these patients. A concentration of 0.5 μg/ml was as effective as 1.0 μg/ml FVIIa in normalising thromboelastometry in vitro in all four patients. Therefore, patients received 15-30 μg/kg rFVIIa at 2-4 hourly intervals with tranexamic acid 1g every six hours. Post treatment samples were taken at 10-240 minutes and showed initial normalisation of thromboelastometry with gradual return to baseline after 2-4 hours. In conclusion, low-dose rFVIIa therapy was successfully used in four patients with severe FXI deficiency undergoing surgery to prevent bleeding and can be monitored using thromboelastometry. 相似文献
7.
R Abdul-Kadir 《Singapore dental journal》1989,14(1):6-12
Like dental caries, epidemiological assessment of periodontal disease is important for purposes of recognizing the extent of the disease in the population as well as a basis for planning and evaluating preventive and treatment programmes. while present day measurement methods for dental caries are excellent such is not true for periodontal diseases. This paper reviews the development and usefulness of different indices for the assessment of periodontal disease and treatment needs in epidemiological investigations. 相似文献
8.
Roh M Gary B Song C Said-Al-Naief N Tousson A Kraft A Eltoum IE Abdulkadir SA 《Cancer research》2003,63(23):8079-8084
Aneuploidy and chromosomal aberrations are hallmarks of most human epithelial malignancies. Here we show that overexpression of the oncogenic kinase Pim-1 in human prostate epithelial cells induces genomic instability by subverting the mitotic spindle checkpoint. Cells overexpressing Pim-1 have a defect in the mitotic spindle checkpoint, abnormal mitotic spindles, centrosome amplification, and chromosome missegregation. Polyploidy and aneuploidy ensue due to a delay in completing cytokinesis. These results define a novel role for elevated Pim-1 expression in promoting genomic instability in human prostate tumors. 相似文献
9.
Ghazi-Nouri SM Lochhead J Mearza AA Qureshi MA Thompson GM Cowdrey G Firth M Moss R Karim AK Firth G 《Clinical & experimental ophthalmology》2003,31(1):40-43
Aims: To investigate the penetration of ciprofloxacin via different modes of administration into the aqueous humour using capillary zone electrophoresis and to determine its prophylactic role in ophthalmic surgery. Methods: A prospective study was conducted of 84 patients, divided into two groups, undergoing routine cataract surgery and intraocular lens implantation. Forty patients received 750 mg ciprofloxacin orally the evening before and on the morning of surgery 12 h apart. Forty‐four patients received one drop of 0.3% topical ciprofloxacin 90 and 30 min prior to surgery. At the commencement of surgery 0.1?0.2 mL of aqueous fluid was sampled from the anterior chamber and assayed for ciprofloxacin concentration using capillary‐zone electrophoresis. Results: The concentration of ciprofloxacin in the group receiving topical doses was less than 0.1 µg/mL, which is well below the minimum inhibitory concentration for ciprofloxacin inhibiting 90% (MIC90) of strains of Staphylococcus epidermidis (0.4 µg/mL). The mean concentration of ciprofloxacin in the aqueous humour of the oral group was 0.26 µg/mL with a standard deviation of 0.12 µg/mL (range 0.09?0.67 µg/mL) with only 12.5% achieving levels higher than MIC90 for S. epidermidis. Conclusion: The topical ciprofloxacin 0.3% as given in this study achieved poor aqueous humour concentration. Oral ciprofloxacin given in this regime should not on its own be considered adequate prophylaxis in intraocular surgery. Capillary zone electrophoresis can be used as an alternative tool to the existing high‐pressure liquid chromatography methods for analysing ciprofloxacin level in the aqueous humour. 相似文献
10.
Hyun-Seok Kim Krish Patel Kristi Muldoon-Jacobs Kheem S. Bisht Nukhet Aykin-Burns J. Daniel Pennington Riet van der Meer Phuongmai Nguyen Jason Savage Kjerstin M. Owens Athanassios Vassilopoulos Ozkan Ozden Seong-Hoon Park Keshav K. Singh Sarki A. Abdulkadir Douglas R. Spitz Chu-Xia Deng David Gius 《Cancer cell》2010,17(1):41-52