Displaying publications 1 - 20 of 53 in total

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  1. Yadzir ZH, Misnan R, Abdullah N, Bakhtiar F, Arip M, Murad S
    Asian Pac J Trop Biomed, 2012 Jan;2(1):50-4.
    PMID: 23569834 DOI: 10.1016/S2221-1691(11)60189-5
    OBJECTIVE: To characterize the major allergens of Macrobrachium rosenbergii (giant freshwater prawn).

    METHODS: Raw and cooked extracts of the giant freshwater prawn were prepared. The IgE reactivity pattern was identified by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) and immunoblotting technique with the sera of 20 skin prick test (SPT) positive patients. The major allergen identified was then characterized using the proteomics approach involving a combination of two-dimensional (2-DE) electrophoresis, mass spectrometry and bioinformatics tools.

    RESULTS: SDS-PAGE of the raw extract showed 23 protein bands (15-250 kDa) but those ranging from 40 to 100 kDa were not found in the cooked extract. From immunoblotting experiments, raw and cooked extracts demonstrated 11 and 5 IgE-binding proteins, respectively, with a molecular mass ranging from 15 to 155 kDa. A heat-resistant 36 kDa protein was identified as the major allergen of both extracts. In addition, a 42 kDa heat-sensitive protein was shown to be a major allergen of the raw extract. The 2-DE gel fractionated the prawn proteins to more than 50 different protein spots. Of these, 10 spots showed specific IgE reactivity with patients' sera. Matrix assisted laser desorption/ionization-time of flight (MALDI-TOF) analysis led to identification of 2 important allergens, tropomyosin and arginine kinase.

    CONCLUSIONS: It can be concluded that the availability of such allergens would help in component-based diagnosis and therapy of prawn allergies.

  2. Wong YH, Tan WY, Tan CP, Long K, Nyam KL
    Asian Pac J Trop Biomed, 2014 May;4(Suppl 1):S510-5.
    PMID: 25183141 DOI: 10.12980/APJTB.4.2014C1090
    To examine the cytotoxic properties of both the kenaf (Hibiscus cannabinus L.) seed extract and kenaf seed oil on human cervical cancer, human breast cancer, human colon cancer and human lung cancer cell lines.
  3. Wong MH, Lim LF, Ahmad FB, Assim ZB
    Asian Pac J Trop Biomed, 2014 May;4(5):386-92.
    PMID: 25182724 DOI: 10.12980/APJTB.4.2014C1129
    To investigate antioxidant and antimicrobial activities of two plant species, Litsea elliptica (L. elliptica) and Litsea resinosa (L. resinosa).
  4. Vikram P, Chiruvella KK, Ripain IH, Arifullah M
    Asian Pac J Trop Biomed, 2014 Jun;4(6):430-5.
    PMID: 25182942 DOI: 10.12980/APJTB.4.2014C1255
    Medicinal plants and herbal preparations are gaining renowned interest in scientific communities nowadays due to their reliable pharmacological actions and affordability to common people which makes them effective in control of various diseases. Polygonum minus (Polygonaceae) locally known as kesum is an aromatic plant commonly used in Malay delicacies. The plant is having potential applications due to its high volatile oil constituents in perfumes and powerful antioxidant activity. It has been used traditionally to treat various ailments including dandruff. The research has been carried out by various researchers using different in vitro and in vivo models for biological evaluations to support these claims. This review paper may help upcoming research activities on Polygonum minus by giving up to date information on the phytochemical constituents and medicinal properties of kesum to a possible extent with relevant data.
  5. Vijayarathna S, Sasidharan S
    Asian Pac J Trop Biomed, 2012 Oct;2(10):826-9.
    PMID: 23569855 DOI: 10.1016/S2221-1691(12)60237-8
    To investigate the cytotoxic effect of Elaeis guineensis methanol extract on MCF-7 and Vero cell.
  6. Tan XE, Neoh HM, Hussin S, Zin NM
    Asian Pac J Trop Biomed, 2013 Mar;3(3):224-8.
    PMID: 23620843 DOI: 10.1016/S2221-1691(13)60055-6
    OBJECTIVE: To genotypically characterize methicillin-resistant Staphylococcus aureus (MRSA) strains isolated from medical and surgical wards in Universiti Kebangsaan Malaysia Medical Centre (UKMMC) in 2009.

    METHODS: MRSA strains were collected and molecularly typed by pulsed-field gel electrophoresis (PFGE).

    RESULTS: PFGE typing on 180 MRSA isolated in UKMMC identified 5 pulsotypes (A-E) and 6 singletons, where pulsotypes B and C were suspected to be divergent clones originating from a single ancestor. This study also showed that most MRSA strains were isolated from swab (119 isolates), followed by blood (22 isolates), tracheal aspirate (11 isolates) and sputum (10 isolates). On the other hand, urine and bone isolates were less, which were 4 and 1 isolates, respectively. The distribution of different pulsotypes of MRSA among wards suggested that MRSA was communicated in surgical and medical wards in UKMMC, with pulsotype B MRSA as the dominant strain. Besides, it was found that most deceased patients were infected by pulsotype B MRSA, however, no particular pulsotype could be associated with patient age, underlying disease, or ward of admittance.

    CONCLUSIONS: Five pulsotypes of MRSA and 6 singletons were identified, with pulsotype B MRSA as the endemic strains circulating in these wards, which is useful in establishment of preventive measures against MRSA transmission.

  7. Sasidharan S, Prema B, Yoga LL
    Asian Pac J Trop Biomed, 2011 Apr;1(2):130-2.
    PMID: 23569742 DOI: 10.1016/S2221-1691(11)60010-5
    To evaluate the prevalence of multidrug resistant Staphylococcus aureus (S. aureus) in dairy products.
  8. Santiago C, Sun L, Munro MH, Santhanam J
    Asian Pac J Trop Biomed, 2014 Aug;4(8):627-32.
    PMID: 25183332 DOI: 10.12980/APJTB.4.2014APJTB-2014-0030
    To study bioactivity and compounds produced by an endophytic Phoma sp. fungus isolated from the medicinal plant Cinnamomum mollissimum.
  9. Saiful AN, Lau MS, Sulaiman S, Hidayatulfathi O
    Asian Pac J Trop Biomed, 2012 Apr;2(4):315-9.
    PMID: 23569922 DOI: 10.1016/S2221-1691(12)60031-8
    To evaluate the effectiveness and residual effects of trypsin modulating oostatic factor-Bacillus thuringiensis israeliensis (TMOF-Bti) formulations against Aedes aegypti (Ae. aegypti) (L.) larvae at UKM Campus Kuala Lumpur.
  10. Saad S, Taher M, Susanti D, Qaralleh H, Awang AF
    Asian Pac J Trop Biomed, 2012 Jun;2(6):427-9.
    PMID: 23569943 DOI: 10.1016/S2221-1691(12)60069-0
    To investigate the antimicrobial property of mangrove plant Sonneratia alba (S. alba).
  11. Rovie-Ryan JJ, Zainuddin ZZ, Marni W, Ahmad AH, Ambu LN, Payne J
    Asian Pac J Trop Biomed, 2013 Feb;3(2):95-9.
    PMID: 23593586 DOI: 10.1016/S2221-1691(13)60031-3
    To demonstrate a noninvasive large mammalian genetic sampling method using blood meal obtained from a tabanid fly.
  12. Roslen NA, Alewi NA, Ahamada H, Rasad MS
    Asian Pac J Trop Biomed, 2014 Jul;4(7):545-8.
    PMID: 25183274 DOI: 10.12980/APJTB.4.2014C658
    To screen the cytotoxic activity of Melastoma malabathricum (M. malabathricum) against human breast cancer cell line (MCF-7) in vitro.
  13. Pour BM, Sasidharan S
    Asian Pac J Trop Biomed, 2011 Jun;1(3):230-2.
    PMID: 23569765 DOI: 10.1016/S2221-1691(11)60033-6
    To investigate the toxicity of methanol extract of various parts (Root, Stem, Leaf, Flower and Fruit) of Lantana camara (L. Camara) in Artemia salina.
  14. Ping KY, Darah I, Chen Y, Sasidharan S
    Asian Pac J Trop Biomed, 2013 Sep;3(9):692-6.
    PMID: 23998008 DOI: 10.1016/S2221-1691(13)60140-9
    To evaluate the cytotoxicity and genotoxicity activity of Euphorbia hirta (E. hirta) in MCF-7 cell line model using comet assay.
  15. Ning TZ, Kin WW, Mustafa S, Ahmed A, Noordin R, Cheong TG, et al.
    Asian Pac J Trop Biomed, 2012 Jan;2(1):61-5.
    PMID: 23569836 DOI: 10.1016/S2221-1691(11)60191-3
    To compare the efficacy of three different tissue stains, namely haematoxylin and eosin (H&E), periodic-acid Schiff (PAS) and immunohistochemical (IHC) stains for detection of Entamoeba histolytica (E. histolytica) trophozoites in abscessed liver tissues of hamster.
  16. Mariana A, Mohd KB, Halimaton I, Suhaili ZA, Shahrul-Anuar MS, Nor ZM, et al.
    Asian Pac J Trop Biomed, 2011 Jan;1(1):1-5.
    PMID: 23569714 DOI: 10.1016/S2221-1691(11)60057-9
    To identify the presence of acarine ectoparasites and determine whether there is any potential public health risk in Panti Forest Reserve, Johore, Malaysia.
  17. Mahdi-Pour B, Jothy SL, Latha LY, Chen Y, Sasidharan S
    Asian Pac J Trop Biomed, 2012 Dec;2(12):960-5.
    PMID: 23593576 DOI: 10.1016/S2221-1691(13)60007-6
    To investigate the antioxidant activity of methanolic extracts of Lantana camara (L. camara) various parts and the determination of their total phenolics content.
  18. Lim KT, Lim V, Chin JH
    Asian Pac J Trop Biomed, 2012 Dec;2(12):948-52.
    PMID: 23593574 DOI: 10.1016/S2221-1691(13)60005-2
    To examine the oral toxicity of repeated dosing of Strobilanthes crispus (S. crispus) ethanol leaves extract on the liver and kidney functions in Sprague Dawley rats.
  19. Latha LY, Darah I, Jain K, Sasidharan S
    Asian Pac J Trop Biomed, 2012 Feb;2(2):149-51.
    PMID: 23569886 DOI: 10.1016/S2221-1691(11)60210-4
    OBJECTIVE: To investigate the antimicrobial activity of methanolic extracts of different parts of Ixora species.

    METHODS: Antimicrobial activity was carried out using disc diffusion assay against fungi, gram-positive and gram-negative bacteria.

    RESULTS: All methanolic extracts of different parts of Ixora species showed a broad-spectrum of antibacterial and antiyeast activities, which inhibited the growth of at least one bacterium or yeast. There was no remarkable difference between different Ixora species observed in this study.

    CONCLUSIONS: The significant antimicrobial activity shown by this Ixora species suggests its potential against infections caused by pathogens. The extract may be developed as an antimicrobial agent.

  20. Lah EF, Ahamad M, Haron MS, Ho TM
    Asian Pac J Trop Biomed, 2012 Mar;2(3):223-7.
    PMID: 23569902 DOI: 10.1016/S2221-1691(12)60046-X
    To establish a polymerase chain reaction (PCR) technique based on cytochrome b (cytb) gene of mitochondria DNA (mtDNA) for blood meal identification.
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