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  1. Wan Norhasanah Wan Yusoff, Yung-An Chua, Gabriele Ruth Anisah Froemming, Abdul Manaf Ali, Hapizah Nawawi
    MyJurnal
    Oxidation of low-density lipoprotein (LDL) and activation of the transcription factor nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) are critical for the inflammatory response for endothelial dysfunction. The objective of this study is to investigate the effects of various doses of HDL on: (a) LDL susceptibility to oxidation; (b) expression of eNOS; and (c) expression of NF-κB p50 and p65. Different concentrations of HDL were incubated in LDL. The reaction rates of LDL susceptibility to oxidation were obtained by kinetic modeling analysis. For determination of eNOS, NF-κB p50 and p65 expression, different HDL concentrations were incubated in lipo polysacharides (LPS)-stimulated human umbilical vein endothelial cell line for 16 hours. Protein was extracted and analysed by western blot and nuclear transcription factor, for example, Co-incubation of LDL with increasing HDL concentrations showed longer lag time and lower reaction rate in a dose-dependent manner compared to controls (p
  2. Nur Hidayah Muhamad Yasin, Majdan Ramli, Ilunihayati Ibrahim, Rosnah Bahar, Noraesah Mahmud, Siti Shahrum Muhamed Said, et al.
    MyJurnal
    Haemoglobin E (Hb E) is a variant of structurally abnormal haemoglobin that can be found very commonly in the Asian countries particularly the Southeast Asian [1]. [H1] Alpha thalassaemia is a red cell disorder which is caused by deletion or mutation of one or more of the four alpha globin genes leading to absence or decrease in production of alpha globin peptides [2]. This disorder is far more common in South East Asian regions and in Malaysia itself, and the gene frequency is about 4.1% [2]. The interactions of Hb E and alpha thalassaemia are evident in Kelantan which is bordered by southern Thailand. Using capillary electrophoresis (CE), a reduction of Hb E level is noticed as compared to Hb E heterozygotes. DNA analysis should be done to determine the presence of concurrent alpha thalassaemia variant. This study was done to evaluate haematological parameters using automated blood counters, morphology of red cells, Hb separation and quantitation of Hb fractions using CE and molecular analysis for alpha thalassemia. The study also aimed to discover cut off point of Hb E level in heterozygous Hb E patients with concurrent deletional alpha thalassaemia by CE.
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