Displaying publications 1 - 20 of 46 in total

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  1. Zohor Ali AA, Muhammad NA, Jamil TR, Ahmad S, Abd Aziz NA
    Addict Behav Rep, 2021 Dec;14:100350.
    PMID: 34041356 DOI: 10.1016/j.abrep.2021.100350
    Despite the wide accessibility to internet, pornography activities among youths are not well described in conservative countries like Malaysia. This study aimed to determine the prevalence, elicit gender differences and identify associated factors of pornographic exposure including perceived realism among college students. This cross-sectional study was conducted among students aged 18 to 25 years from seven colleges in Penang, Malaysia. A self-administered questionnaire was used to obtain data on socio-demographic characteristics, pornography exposure, pattern of use, sexual exposure and perceived realism. Among 986 participants, the prevalence of lifetime pornography exposure was 74.5%. More males (71.7%) were exposed to pornography, had started at earlier age, were frequent users and using the internet alone at home (p 
  2. Zifruddin AN, Mohamad Yusoff MA, Abd Ghani NS, Nor Muhammad NA, Lam KW, Hassan M
    Comput Biol Chem, 2023 Apr;103:107811.
    PMID: 36645937 DOI: 10.1016/j.compbiolchem.2023.107811
    Metisa plana (Lepidoptera: Psychidae) bagworm is a leaf-eater caterpillar ubiquitously found as a damaging pest in oil palm plantations, specifically in Malaysia. Various strategies have been implemented, including the usage of chemical insecticides. However, the main challenges include the development of insecticide resistance and its detrimental effects on the environment and non-target organisms. Therefore, a biorational insecticide is introduced by targeting the juvenile hormone (JH) biosynthetic pathway, which is mainly present in the insect and vital for the insect's growth, diapause, metamorphosis, and adult reproduction. This study aimed to investigate the potential inhibitor for the rate-limiting enzyme involved in the JH pathway known as farnesol dehydrogenase. A 255 amino acids sequence encoded for the putative M. plana farnesol dehydrogenase (MpFolDH) open reading frame had been identified and isolated. The three-dimensional structure of MpFolDH was predicted to have seven β- sheets with α-helices at both sides, showing typical characteristics for classical short-chain dehydrogenase and associated with oxidoreductase activity. Then, the ensemble-based virtual screening was conducted based on the ZINC20 database, in which 43 768 compounds that fulfilled pesticide-likeness criteria were screened by site-specific molecular docking. After a short molecular dynamics simulation (5 ns) was conducted towards 102 compounds, only the top 10 compounds based on their most favourable binding energy were selected for a more extended simulation (100 ns). Based on the protein-ligand stability, protein compactness, residues rigidity, binding interaction, binding energy throughout the 100 ns simulation, and physicochemical analysis, ZINC000408743205 was selected as a potential inhibitor for this enzyme. Amino acids decomposition analysis indicates Ile18, Ala95, Val198 and Val202 were the critical contributor residues for MpFolDH-inhibitors(s) complex.
  3. Yusof NAM, Razali SA, Mohd Padzil A, Lau BYC, Baharum SN, Nor Muhammad NA, et al.
    Biology (Basel), 2022 Nov 01;11(11).
    PMID: 36358301 DOI: 10.3390/biology11111600
    (1) Background: Quorum sensing (QS) is the chemical communication between bacteria that sense chemical signals in the bacterial population to control phenotypic changes through the regulation of gene expression. The inhibition of QS has various potential applications, particularly in the prevention of bacterial infection. QS can be inhibited by targeting the LuxP, a periplasmic receptor protein that is involved in the sensing of the QS signaling molecule known as the autoinducer 2 (AI-2). The sensing of AI-2 by LuxP transduces the chemical information through the inner membrane sensor kinase LuxQ protein and activates the QS cascade. (2) Methods: An in silico approach was applied to design DNA aptamers against LuxP in this study. A method combining molecular docking and molecular dynamics simulations was used to select the oligonucleotides that bind to LuxP, which were then further characterized using isothermal titration calorimetry. Subsequently, the bioactivity of the selected aptamer was examined through comparative transcriptome analysis. (3) Results: Two aptamer candidates were identified from the ITC, which have the lowest dissociation constants (Kd) of 0.2 and 0.5 micromolar. The aptamer with the lowest Kd demonstrated QS suppression and down-regulated the flagellar-assembly-related gene expression. (4) Conclusions: This study developed an in silico approach to design an aptamer that possesses anti-QS properties.
  4. Tohid H, Ishak N, Muhammad NA, Ahmad FN, Aziz AA, Omar K
    Malays J Med Sci, 2012 Apr;19(2):35-47.
    PMID: 22973136 MyJurnal
    BACKGROUND: The prevalence of teenage smoking has decreased over the past decade following the implementation of the national tobacco control programme. However, the effect of the programme on smoking cessation in teenagers has not been determined.
    METHODS: Twenty-eight participants (12 teenagers, 8 teachers, and 8 doctors) were interviewed using 5 in-depth interviews and 3 group discussions. Social cognitive theory (SCT) was applied as the theoretical framework. Semi-structured interview protocols were used, and thematic analysis and analytic generalisation utilising SCT were performed.
    RESULTS: The current national tobacco control programme was found to be ineffective in promoting smoking cessation among teenagers. The participants attributed the ineffective campaign to the followings: inadequacy of message content, lack of exposure to the programme, and poor presentation and execution. In addition, the participants perceived the developed tobacco control policies to be a failure based on poor law enforcement, failure of retailers to comply with the law, social availability of cigarettes to teenagers, and easy availability of cheap, smuggled cigarettes. This study highlighted that the programme-related problems (environmental factors) were not the only factors contributing to its perceived ineffectiveness. The cunning behaviour of the teenagers (personal factor) and poor self-efficacy to overcome nicotine addiction (behavioural factor) were also found to hinder cessation.
    CONCLUSION: Tobacco control programmes should include strategies beyond educating teenagers about smoking and restricting their access to cigarettes. Strategies to manage the cunning behaviour of teenagers and strategies to improve their self-efficacy should also be implemented. These comprehensive programmes should have a foundation in SCT, as this theory demonstrates the complex interactions among the environmental, personal, and behavioural factors that influence teenage smoking.
    KEYWORDS: adolescent; health campaigns; qualitative research; tobacco cessation; tobacco smoking
  5. Su XV, Muhammad NA, Tan PS, Tan KTM, Tohid H, Omar K
    MyJurnal
    Teenage pregnancy carries serious impacts on adolescent health. This study aimed to examine the effects of pregnancy on adolescents and to explore how they cope with the problems they faced during the pregnancy. It involved 26 adolescents residing in a government shelter home in Kuala Lumpur. A self-administered questionnaire containing a mixture of open- and closed-ended questions was used. Among physical (sleeping problem and self-care problem), psychological (emotional difficulties and low self-efficacy) and social (stigma and discrimination, financial difficulty, friendship problem and school dropout) problems, emotional difficulties were the most common problems, whereas stigma and discrimination was the least common. Young adolescents aged less than 16 years old were significantly associated with poor self-care (p=0.01). To cope with their problems, the adolescents generally used avoidance, withdrawal, and social support, particularly from parents and peers. Doctors were the least popular among all. In conclusion, holistic and individualised care is needed. Strategies to reduce emotional problem experienced by pregnant adolescents should be implemented. The available healthcare services for teenage pregnancy should also be promoted.
  6. Singh DK, Manaf ZA, Yusoff NA, Muhammad NA, Phan MF, Shahar S
    Clin Interv Aging, 2014;9:1415-23.
    PMID: 25187701 DOI: 10.2147/CIA.S64997
    The consequences of combined undernourishment and decreased physical performance in older adults are debilitating and increases cost of care. To date, the information regarding the association between nutritional status and physical performance does not provide a complete picture. Most studies used limited or self-reported measures to evaluate physical performance. The objective of this study was to examine the correlation between nutritional status and comprehensive physical performance measures among undernourished older adults who reside in residential institutions.
  7. Sidik SM, Jaffar A, Foo CN, Muhammad NA, Abdul Manaf R, Ismail SIF, et al.
    BMJ Open, 2021 01 12;11(1):e039076.
    PMID: 33436465 DOI: 10.1136/bmjopen-2020-039076
    INTRODUCTION: Pelvic floor muscle training (PFMT) strongly recommended to incontinent pregnant women. The Kegel Exercise Pregnancy Training-app trial is a multicentre cluster-randomised study aims to assess the effectiveness and its cost-effectiveness of the mobile app guidance in PFMT among incontinent pregnant women.

    METHODS AND ANALYSIS: 370 pregnant women (aged 18 years old and above) will be recruited with International Consultation on Incontinence Questionnaire-Urinary Incontinence-Short Form. Ten clusters (primary care clinics) will be randomly assigned to either PFMT or usual care in a 1:1 ratio by an independent researcher (sealed envelope). The primary outcome will be urinary incontinence, and the secondary outcomes (quality of life; PFMT adherence, psychological status and mobile apps' usability) will be assessed at four measurement time points (t0: baseline) and postintervention (t1: 4 weeks, t2: 8 weeks and t3: 8 weeks postnatal). T-test analysis will determine any significant differences at the baseline between the control and intervention groups. The mixed-model analysis will determine the effectiveness of the intervention at the population-average level for both the primary and secondary outcomes. For the cost-effectiveness analysis, expenditures during the study and 6 months after the intervention will be compared between the groups using the multiway sensitivity analysis. The recruitment planned will be in December 2020, and the planned end of the study will be in August 2021.

    ETHICS AND DISSEMINATION: This study protocol was approved by the Ethics Committee for Research Involving Human Subjects, Universiti Putra Malaysia (JKEUPM-2019-368) and Medical Research and Ethics Committee (MREC), Ministry of Health Malaysia, NMRR-19-412-47116 (IIR) with the ANZCTR registration. This study will obtain informed written consent from all the study participants. The results which conform with the Consolidated Standards of Reporting Trials and the Recommendations for Interventional Trials will be published for dissemination in peer-reviewed journals and conference proceedings.

    TRIAL REGISTRATION NUMBER: ACTRN12619000379112.

  8. Shamsuddin K, Fadzil F, Ismail WS, Shah SA, Omar K, Muhammad NA, et al.
    Asian J Psychiatr, 2013 Aug;6(4):318-23.
    PMID: 23810140 DOI: 10.1016/j.ajp.2013.01.014
    University students face not only challenges related with independent living, but also academic challenges. This predisposes them to depression, anxiety and stress, which are fairly common.
  9. Rosharudin NA, Muhammad NA, Mohd Daud TI, Hoesni SM, Yusoff SR, Razman MOI, et al.
    PLoS One, 2023;18(8):e0289551.
    PMID: 37639447 DOI: 10.1371/journal.pone.0289551
    OBJECTIVE: The Difficulties in Emotion Regulation Scale-18 (DERS-18) is an instrument used to measure deficits in emotion regulation. However, the instrument has not been adapted to Malaysians and has never been validated in the Malay language. This study aimed to examine the psychometric properties of the Malay version of DERS-18.

    METHOD: The DERS-18 underwent forward-backward translation and assessment of face and content validity. Both Malay version of the DERS-18 and DASS-21 were completed by 701 adolescents (44.4% boys) aged 13 and 14 years old. To assess its dependability, a floor and ceiling effect evaluation and Cronbach's analysis were both performed. A series of confirmatory factor analyses (CFA), bivariate correlation, and regression were performed to evaluate the construct and criterion validity, respectively.

    RESULTS: The Malay version of DERS-18, after excluding "Awareness", indicated excellent reliability (Cronbach's α = 0.93), and acceptable internal consistency for each subscale (range of α from 0.63 to 0.82). Floor or ceiling effects were observed at item level and subscale level, but not at total level. CFA results revealed that the Malay version of the DERS-18 bifactor model (excluding "Awareness") portrayed the best construct validity (χ2/df = 2.673, RMSEA = 0.049, CFI = 0.977, TLI = 0.968) compared to a single factor, a correlated factor, and a higher-order factor model. The DERS-18 subscales (except "Awareness") and DERS-18 total scores were significantly correlated with stress, anxiety, and depression in a positive direction (r ranged from 0.62 to 0.64, p < 0.01). The general factor of the DERS-18 and its specific factors ("Clarity", "Goals", and "Non-Acceptance") significantly predicted the symptoms of stress, anxiety, and depression (R2 ranged from 0.44 to 0.46, p < 0.001).

    CONCLUSION: The Malay version of the DERS-18, excluding "Awareness", possessed good reliability, construct validity, and criterion validity to assess emotion dysregulation among Malaysian adolescents.

  10. Razali NA, Mohd Daud TI, Woon LS, Mohamed Saini S, Muhammad NA, Sharip S
    Front Psychiatry, 2022;13:1080698.
    PMID: 36713919 DOI: 10.3389/fpsyt.2022.1080698
    48,XXYY syndrome is a rare condition. The presentations of impulsive and aggressive behavior have been reported in several case reports among patients with 48,XXYY syndrome. The management of the psychological impact and neuropsychiatric sequela of this condition is a significant issue faced by families, carers, and healthcare professionals. We report a patient, 21-year-old Malay male, with underlying 48,XXYY syndrome with attention deficit hyperactivity disorder (ADHD) and intellectual disability, diagnosed later in adulthood with a bipolar mood disorder and benefited after being started on lithium. We describe the key clinical features and diagnostic workouts that allowed the arrival of the correct psychiatric diagnosis. Challenges in psychopharmacotherapy, including the risks of metabolic syndrome and deep vein thrombosis associated with 48,XXYY syndrome, are also considered. We suggest that for patients with 48,XXYY syndrome, routine psychological screening for mood symptoms such as mania and depression should be done by healthcare professionals with early involvement of psychiatrist in the multidisciplinary team due to the challenges in the management of these patients.
  11. Rashid SA, Halim AS, Muhammad NA
    Med J Malaysia, 2008 Jul;63 Suppl A:69-70.
    PMID: 19024988
    Basic fibroblast growth factor (bFGF) is angiogenic and effective in down-regulating excess collagen production. The aim of this study is to evaluate the effectiveness of vitamin E (Tocotrienol Rich Fraction) in altering the level of bFGF, a cytokine involved in the scar formation process. In this model, normal human fibroblasts were treated with various concentrations of vitamin E at different time frames. The levels of bFGF were determined by Enzyme-Linked Immunosorbant Assay (ELISA). This study demonstrated that Tocotrienol Rich Fraction (TRF) stimulated bFGF production by fibroblast and postulate that vitamin E may decrease aberrant scar formation.
  12. Ramzi AB, Che Me ML, Ruslan US, Baharum SN, Nor Muhammad NA
    PeerJ, 2019;7:e8065.
    PMID: 31879570 DOI: 10.7717/peerj.8065
    Background: G. boninense is a hemibiotrophic fungus that infects oil palms (Elaeis guineensis Jacq.) causing basal stem rot (BSR) disease and consequent massive economic losses to the oil palm industry. The pathogenicity of this white-rot fungus has been associated with cell wall degrading enzymes (CWDEs) released during saprophytic and necrotrophic stage of infection of the oil palm host. However, there is a lack of information available on the essentiality of CWDEs in wood-decaying process and pathogenesis of this oil palm pathogen especially at molecular and genome levels.

    Methods: In this study, comparative genome analysis was carried out using the G. boninense NJ3 genome to identify and characterize carbohydrate-active enzyme (CAZymes) including CWDE in the fungal genome. Augustus pipeline was employed for gene identification in G. boninense NJ3 and the produced protein sequences were analyzed via dbCAN pipeline and PhiBase 4.5 database annotation for CAZymes and plant-host interaction (PHI) gene analysis, respectively. Comparison of CAZymes from G. boninense NJ3 was made against G. lucidum, a well-studied model Ganoderma sp. and five selected pathogenic fungi for CAZymes characterization. Functional annotation of PHI genes was carried out using Web Gene Ontology Annotation Plot (WEGO) and was used for selecting candidate PHI genes related to cell wall degradation of G. boninense NJ3.

    Results: G. boninense was enriched with CAZymes and CWDEs in a similar fashion to G. lucidum that corroborate with the lignocellulolytic abilities of both closely-related fungal strains. The role of polysaccharide and cell wall degrading enzymes in the hemibiotrophic mode of infection of G. boninense was investigated by analyzing the fungal CAZymes with necrotrophic Armillaria solidipes, A. mellea, biotrophic Ustilago maydis, Melampsora larici-populina and hemibiotrophic Moniliophthora perniciosa. Profiles of the selected pathogenic fungi demonstrated that necrotizing pathogens including G. boninense NJ3 exhibited an extensive set of CAZymes as compared to the more CAZymes-limited biotrophic pathogens. Following PHI analysis, several candidate genes including polygalacturonase, endo β-1,3-xylanase, β-glucanase and laccase were identified as potential CWDEs that contribute to the plant host interaction and pathogenesis.

    Discussion: This study employed bioinformatics tools for providing a greater understanding of the biological mechanisms underlying the production of CAZymes in G. boninense NJ3. Identification and profiling of the fungal polysaccharide- and lignocellulosic-degrading enzymes would further facilitate in elucidating the infection mechanisms through the production of CWDEs by G. boninense. Identification of CAZymes and CWDE-related PHI genes in G. boninense would serve as the basis for functional studies of genes associated with the fungal virulence and pathogenicity using systems biology and genetic engineering approaches.

  13. Omar MN, Minggu MM, Nor Muhammad NA, Abdul PM, Zhang Y, Ramzi AB
    Enzyme Microb Technol, 2024 Mar 15;177:110429.
    PMID: 38537325 DOI: 10.1016/j.enzmictec.2024.110429
    Poly(ethylene furanoate) (PEF) plastic is a 100% renewable polyester that is currently being pursued for commercialization as the next-generation bio-based plastic. This is in line with growing demand for circular bioeconomy and new plastics economy that is aimed at minimizing plastic waste mismanagement and lowering carbon footprint of plastics. However, the current catalytic route for the synthesis of PEF is impeded with technical challenges including high cost of pretreatment and catalyst refurbishment. On the other hand, the semi-biosynthetic route of PEF plastic production is of increased biotechnological interest. In particular, the PEF monomers (Furan dicarboxylic acid and ethylene glycol) can be synthesized via microbial-based biorefinery and purified for subsequent catalyst-mediated polycondensation into PEF. Several bioengineering and bioprocessing issues such as efficient substrate utilization and pathway optimization need to be addressed prior to establishing industrial-scale production of the monomers. This review highlights current advances in semi-biosynthetic production of PEF monomers using consolidated waste biorefinery strategies, with an emphasis on the employment of omics-driven systems biology approaches in enzyme discovery and pathway construction. The roles of microbial protein transporters will be discussed, especially in terms of improving substrate uptake and utilization from lignocellulosic biomass, as well as from depolymerized plastic waste as potential bio-feedstock. The employment of artificial bioengineered microbial consortia will also be highlighted to provide streamlined systems and synthetic biology strategies for bio-based PEF monomer production using both plant biomass and plastic-derived substrates, which are important for circular and new plastics economy advances.
  14. Omar K, Hasim S, Muhammad NA, Jaffar A, Hashim SM, Siraj HH
    Int J Gynaecol Obstet, 2010 Dec;111(3):220-3.
    PMID: 20800837 DOI: 10.1016/j.ijgo.2010.06.023
    OBJECTIVE: To assess the outcomes and risk factors of adolescent pregnancies in 2 major hospitals in Malaysia.
    METHODS: We conducted a case-control study of pregnant girls aged 10 through 19 years. The controls were women aged 20 through 35 years who did not become pregnant in their adolescence. Cases and controls were matched for parity and place of delivery. Data were collected from questionnaires and the hospitals' medical records.
    RESULTS: The study included 102 cases and 102 controls. There were significant associations between adolescent pregnancy and low education level, low socioeconomic status, being raised by a single parent, not engaging in extracurricular school activities, engaging in unsupervised activities with peers after school, and substance abuse (P<0.05 for all); being anemic, being unsure of the expected delivery date, and having few antenatal visits and a late delivery booking; and low Apgar scores and perinatal complications.
    CONCLUSION: Adolescent pregnancies are high-risk pregnancies. Better sexual health strategies are required to address the associated complications.
  15. Nor Muhammad NA, Ramlee IA, Mohd Nor D, Satyavenathan MV, Rahmat NL, Awang A, et al.
    Data Brief, 2021 Feb;34:106638.
    PMID: 33365368 DOI: 10.1016/j.dib.2020.106638
    Cocoa bean (Theobroma cacao L.) is part of the global cocoa and chocolate industry valued at 44 billion US dollars in 2019. Cocoa pod borer (CPB), Conopomorpha cramerella is a major pest of cocoa in Malaysia and Indonesia that is responsible for the decline for cocoa production. They have been detected since 1980s. Unfortunately, current control strategies are inefficient for CPB management. Although biotechnological alternatives, including RNA interference (RNAi), have been proposed in recent years to control insect pests, characterizing the genetics of the target pest is essential for successful application of these emerging technologies. We generated a comprehensive RNA-seq dataset (135,915,430 clean reads) for larva and adult stages of CPB by using the Illumina HiseqTM 4000 system to increase the understanding of CPB in relation to molecular features. The CPB transcriptome was assembled de novo and annotated. The final assembled produced 249,280 unigenes, of which 75,929 unigenes annotated against NCBI NR database and were distributed among 156 KEGG pathways. The raw data were uploaded to SRA database and the BioProject ID is PRJNA553611. The transcriptomic dataset we present are the first reports of transcriptome information in CPB that is valuable for further exploration and understanding of CPB molecular pathways.
  16. Ng KL, Huan NC, Nasaruddin MZ, Muhammad NA, Daut UN, Abdul Rahaman JA
    Respirol Case Rep, 2021 Feb;9(2):e00704.
    PMID: 33364028 DOI: 10.1002/rcr2.704
    Pulmonary mucormycosis is a rare but rapidly progressing and life-threatening fungal infection, usually affecting immunocompromised patients. We report a case of a previously healthy young lady who presented with prolonged cough, weight loss, and haemoptysis. Imaging showed left hilar mass with infiltration into the left main bronchus and concurrent mediastinal lymphadenopathy. Flexible bronchoscopy revealed an endobronchial mass occluding the left main bronchus. Tumour debulking was performed using rigid bronchoscopy with cryoprobe and snares. Histopathological examination revealed inflamed tissue with fungal organism. Fungal polymerase chain reaction (PCR) confirmed Rhizopus microsporus. She was treated with two weeks of intravenous amphotericin-B with complete clinical and radiological resolution.
  17. Nathan T, Muthupalaniappen L, Muhammad NA
    Malays Fam Physician, 2022 Nov 30;17(3):114-120.
    PMID: 36606161 DOI: 10.51866/oa.25
    INTRODUCTION: Digital device helps children enhance academic, cognitive and psychomotor skills. However, prolonged use causes physical inactivity, poor interpersonal skills and communication problems. Information on digital device use among young children in Malaysia is currently limited. Hence, this study aimed to determine the prevalence of digital device utilisation among preschool children in Kota Setar District, Kedah.

    METHOD: A cross-sectional study at government preschools in Kota Setar District was conducted from February to April 2020. Selection of preschools and students was done using multistage simple randomisation. A self-administered questionnaire containing demographic and digital device use details was filled by parents.

    RESULTS: The prevalence of digital device use among preschool children was 95.9% and mostly used smartphones (94.2%). Most children (95%) did not own the device, and usage was under supervision (95.7%). The reason for supervision was to prevent exposure to inappropriate content (70.5%). The common reasons for allowing digital device use were for educational (37.4%) and entertainment purposes (36%) through videos (30.9%) and games (30.2%). Approximately 21.5% and 50.3% of the children spent more than 1 and 2 hours on digital devices during weekdays and weekends, respectively.

    CONCLUSION: The prevalence of digital device use among the preschool children in Kota Setar District was very high. Most of them used digital devices for educational and entertainment purposes under parental supervision. However, some exceeded the recommended screen time on weekends. These findings could promote awareness of digital device use among young children and help design public health awareness programmes and future policies.

  18. Mursyidah AK, Hafizzudin-Fedeli M, Nor Muhammad NA, Latiff A, Firdaus-Raih M, Wan KL
    Plant Cell Physiol, 2023 Apr 17;64(4):368-377.
    PMID: 36611267 DOI: 10.1093/pcp/pcad004
    The angiosperm Rafflesia exhibits a unique biology, including a growth strategy that involves endophytic parasitism of a specific host, with only the gigantic flower externally visible. The Rafflesia possesses many unique evolutionary, developmental and morphological features that are rooted in yet-to-be-explained physiological processes. Although studies on the molecular biology of Rafflesia are limited by sampling difficulties due to its rarity in the wild and the short life span of its flower, current advances in high-throughput sequencing technology have allowed for the genome- and transcriptome-level dissection of the molecular mechanisms behind the unique characteristics of this parasitic plant. In this review, we summarize major findings on the cryptic biology of Rafflesia and provide insights into future research directions. The wealth of data obtained can improve our understanding of Rafflesia species and contribute toward the conservation strategy of this endangered plant.
  19. Muhammad NA, Omar K, Shah SA, Muthupalaniappen L, Arshad F
    Asia Pac J Clin Nutr, 2008;17(4):597-602.
    PMID: 19114396
    BACKGROUND: Worldwide the prevalence of overweight and obesity in children is escalating. Parents’ recognition of overweight or obesity in their own children is very important for a successful intervention in these children. This study examined parental perception of their children’s weight status, and its association with their knowledge on nutrition and obesity.
    MATERIALS AND METHODS: This was a cross sectional study of parents with children aged 9 to 12 years, in a primary school of Kuala Lumpur. Parents responded to a self-administered questionnaire which contains parental perception of their child weight status as well as knowledge on nutrition and obesity. The parents’ perception of the children’s weight status was then compared with the actual measured weight status.
    RESULTS: There were 204 parents who participated in the study. Parents were found to underestimate their child weight status and 38.2% were inaccurate in their perception. The mean score of knowledge on nutrition and obesity was 78.5±14.4; and this did not associate with the accuracy of their perception on the child weight status. Parents showed inadequate knowledge in food pyramid and preparation of low fat meals.
    CONCLUSION: The Malaysian Health Campaigns had resulted in overall good knowledge on nutrition and obesity in the parents except in few domains. However, this was insufficient to make the parents recognize the growing overweight and obesity problem in their children.
    Key Words: overweight, obesity, children, parental perception, knowledge
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