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  1. Win Win Than, Tin Sabai Aung
    MyJurnal
    Introduction: Cervical cancer remains the second commonest female malignancy worldwide and the seventh among Malaysians. Globally in 2012, an estimated 528 000 women developed cervical cancer and almost 266 000 died from this disease. Of all cervical cancers, 83% occur in the less developed world due to the absence of screening. To promote the community health awareness of cervical cancer which is preventable. Methods: By internet literature searching (Google Scholar) and textbooks. Results: The primary cause of cervical pre-cancer and cancer is persistent infection with one or more of the oncogenic types of HPV, the most common infection acquired during sexual inter-course, usually early in sexual life. Cervical cancer due to HPV can be prevented by HPV vaccination, participation in a screening program, avoidance of smoking, limitation of sex partners and use of a condom. Three HPV vaccines are available worldwide such as bivalent HPV 16/18 vaccine, quadrivalent HPV 16/18/6/11 L1 virus-like particles vaccine and 9-valent HPV 6/11/16/18/31/33/45/52/58 recombinant vaccine. The HPV test can be done on the same sample of cells collected from the Pap test and it can help to know HPV types. Conclusion: Cervical cancer due to HPV can be prevented by vaccination and the pre-cancerous phase of cervical cancer can be screened by the HPV testing with the Pap test. The community health awareness plays a major role in cervical cancer prevention.
  2. Tin Sabai Aung, Amalina Emran, Chua Tock Hing, Tin Tin Thein, Win Win Than, Aye Aye Wynn, et al.
    MyJurnal
    Introduction: Dengue is caused by dengue virus (DENV) which is a member of the genus Flavivirus of the family Flaviviridae. The prevalence of dengue has been increasing all over the world especially in Southeast Asia and Western Pacific regions. In 2016 - 2017 dengue outbreaks were reported in Sandakan and Kudat of Sabah, Malay-sia. The aim of this study was to determine the serotypes of dengue viruses circulating in these two sites during the outbreaks. Methods: A total of 200 dengue patients’ sera tested positive with NS1 and IgM & IgG rapid test (PanBio) were collected from Hospital Duchess of Kent Sandakan and Hospital Kudat between June 2016 and December 2017. PCR was done at the Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah. One-Step Reverse transcriptase PCR (RT-PCR) and nested PCR was performed using C-prM amplimers designed by Lanciotti et al and later redesigned by Chien et al, followed by sequencing some of the PCR products. Results: Out of 200 sera tested 128 were PCR positive. All the four dengue serotypes were detected with PCR products with specific sizes in gel electrophoresis. However, in four samples, no serotype-specific band was amplified by the nested PCR, while they were dengue-positive in RT-PCR showing 511 base pair amplicon. Sequencing results revealed all four samples were found to belong to DENV4. The sequences of these samples were aligned with that of DENV 4 reverse primer rTS4. The DENV4 specific primer rTS4 was found to have four mismatched nucleotides to the DENV4 sequences. Conclusion: There was a co-circulation of DENV1 to 4 in Sandakan and Kudat in the study period. DENV1 was the predominant serotype. DENV4 specific C-prM primer rTS4 should be redesigned for the local DENV4 strain in Sabah in future research.
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