Displaying publications 141 - 143 of 143 in total

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  1. Fulltext Dentatin Induces Apoptosis in Prostate Cancer Cells via Bcl-2, Bcl-xL, Survivin Downregulation, Caspase-9, -3/7 Activation, and NF-κB Inhibition
    Arbab IA, Looi CY, Abdul AB, Cheah FK, Wong WF, Sukari MA, et al.
    Evid Based Complement Alternat Med, 2012;2012:856029.
    PMID: 23091559 DOI: 10.1155/2012/856029
    This study was set to investigate antiproliferative potential of dentatin (a natural coumarin isolated from Clausena excavata Burm. F) against prostate cancer and to delineate the underlying mechanism of action. Treatment with dentatin dose-dependently inhibited cell growth of PC-3 and LNCaP prostate cancer cell lines, whereas it showed less cytotoxic effects on normal prostate epithelial cell line (RWPE-1). The inhibitory effect of dentatin on prostate cancer cell growth was due to induction of apoptosis as evidenced by Annexin V staining and cell shrinkage. We found that dentatin-mediated accumulation of reactive oxygen species (ROS) and downregulated expression levels of antiapoptotic molecules (Bcl-2, Bcl-xL, and Survivin), leading to disruption of mitochondrial membrane potential (MMP), cell membrane permeability, and release of cytochrome c from the mitochondria into the cytosol. These effects were associated with induction of caspase-9, -3/7 activities, and subsequent DNA fragmentation. In addition, we found that dentatin inhibited TNF-α-induced nuclear translocation of p65, suggesting dentatin as a potential NF-κB inhibitor. Thus, we suggest that dentatin may have therapeutic value in prostate cancer treatment worthy of further development.
  2. Clinical effectiveness of a Malaysian-manufactured CAPD product: A randomised trial
    Mak WY, Leong CT, Ong LM, Bavanandan S, Mushahar L, Goh BL, et al.
    Perit Dial Int, 2021 05;41(3):273-283.
    PMID: 33733911 DOI: 10.1177/0896860821993954
    BACKGROUND: We compared the clinical effectiveness of a new peritoneal dialysis (PD) product with polyvinyl chloride-containing tubing (Stay Safe Link®, SSL) with the plastic-free alternative (Stay Safe®, STS) in patients on continuous ambulatory peritoneal dialysis (CAPD).

    METHOD: A multicentre, parallel, randomised, controlled, open-label, non-inferiority trial was conducted. Adult patients receiving CAPD were randomised in a 1:1 ratio to SSL or STS. The primary outcome was the rate of peritonitis after 1 year of follow-up.

    RESULTS: A total of 472 subjects were randomised (SSL, n = 233; STS, n = 239). One subject in each group was excluded from the analysis as they withdrew consent before the first dialysis dose. Four hundred and seventy subjects (SSL, n = 232; STS, n = 238) were included in the modified intention-to-treat analysis. Non-inferiority between two groups was established as no significant difference was found in peritonitis rate (incident rate ratio: 0.91, 95% CI: 0.65-1.28). No significant difference was detected in weekly Kt/V (p = 0.58) and creatinine clearance (p = 0.55). However, the average ultrafiltration volume was significantly lower in SSL, with a mean difference of 93 ml (p < 0.01). SSL also demonstrated a 2.57-times higher risk of device defect than STS (95% CI: 1.77-3.75).

    CONCLUSION: SSL was non-inferior in peritonitis rate compared to plastic-free STS over 1 year in patients requiring CAPD. There was no difference in the delivered dialysis dose, but there was a higher rate of device defects with SSL.

  3. Fulltext Expanding Opportunities for Science, Technology, Engineering and Mathematics Subjects Teaching and Learning: Connecting through Comics
    Adnan M, Abdullah JM, Ibharim LFM, Hoe TW, Janan D, Abdullah N, et al.
    Malays J Med Sci, 2019 Jul;26(4):127-133.
    PMID: 31496902 MyJurnal DOI: 10.21315/mjms2019.26.4.15
    This study presents the results of a year-long project focused on analysis and reflection on working with comics by Year One students in Hulu Langat districts. This study presents the use of science, technology, engineering and mathematics (STEM) comics to help children understand certain physical phenomena and try to make students interested in mathematics and science subject. Thirteen excellent teachers of science and mathematics from the Hulu Langat district were involved in the analysis of syllabus Year One science and mathematics subjects and the preparation of scripts while the STEM comic illustrator was created by two lecturers from the Faculty of Art, Computing and Creative Industry from Universiti Pendidikan Sultan Idris, Perak Malaysia. The study is based on observations of changing perception of phenomena by children as a result of the use of comics. As a result, a STEM comic that contains ten series for Year One science and mathematics subjects has been successfully developed. This comic is expected to attract and enhance the achievement of Year One students in science and mathematics. Implication of this study, STEM comics can be used by teachers as science and mathematics teaching aids. Comics are proven to be a modern pedagogical strategy, which is starting to gain its popularity in teaching about mathematics and science. Comics can be very helpful tools in making science and mathematics concepts interesting, fun learning and comprehensible for a Year One children.
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