Displaying publications 21 - 32 of 32 in total

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  1. Chhoa KH, Zakaria H, Abd Rahman FN
    Pediatr Int, 2019 Mar;61(3):284-292.
    PMID: 30636372 DOI: 10.1111/ped.13789
    BACKGROUND: Alcohol consumption in the under-aged is one of the main concerns regarding Malaysian adolescents. There is no previous study on problematic alcohol use (PAU) in adolescents in Sarawak. The aim of this study was to determine the prevalence of PAU, its associated variables and its relationship with depression.

    METHODS: This was a cross-sectional study. A total of 327 secondary school students completed the Alcohol Use Disorder Identification Test and Children's Depression Inventory, and a sociodemographic questionnaire. Binary and multivariable logistic regression were used to examine the relationship between the different variables.

    RESULTS: A total of 42.2% of adolescents had PAU. Urban adolescents had a higher prevalence compared with rural adolescents (OR, 1.612; 95% CI: 1.036-2.508 P = 0.034). Female adolescents (56.8%) and Bumiputera Sarawak adolescents (76.8%) comprised a large proportion of the respondents with PAU. Cultural norm (78.3%) and curiosity (68.1%) were the two main reasons for PAU. Only family history of alcohol use (OR, 2.273; 95% CI: 1.013-5.107; P = 0.047), ever consumed alcohol (OR, 57.585; 95% CI: 21.885-151.525; P 

  2. Tang SS, Prodhan ZH, Biswas SK, Le CF, Sekaran SD
    Phytochemistry, 2018 Oct;154:94-105.
    PMID: 30031244 DOI: 10.1016/j.phytochem.2018.07.002
    Antimicrobial peptides (AMPs), the self-defence products of organisms, are extensively distributed in plants. They can be classified into several groups, including thionins, defensins, snakins, lipid transfer proteins, glycine-rich proteins, cyclotides and hevein-type proteins. AMPs can be extracted and isolated from different plants and plant organs such as stems, roots, seeds, flowers and leaves. They perform various physiological defensive mechanisms to eliminate viruses, bacteria, fungi and parasites, and so could be used as therapeutic and preservative agents. Research on AMPs has sought to obtain more detailed and reliable information regarding the selection of suitable plant sources and the use of appropriate isolation and purification techniques, as well as examining the mode of action of these peptides. Well-established AMP purification techniques currently used include salt precipitation methods, absorption-desorption, a combination of ion-exchange and reversed-phase C18 solid phase extraction, reversed-phase high-performance liquid chromatography (RP-HPLC), and the sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE) method. Beyond these traditional methods, this review aims to highlight new and different approaches to the selection, characterisation, isolation, purification, mode of action and bioactivity assessment of a range of AMPs collected from plant sources. The information gathered will be helpful in the search for novel AMPs distributed in the plant kingdom, as well as providing future directions for the further investigation of AMPs for possible use on humans.
  3. Zakaria H, Hussain I, Zulkifli NS, Ibrahim N, Noriza NJ, Wong M, et al.
    PLoS One, 2023;18(7):e0283862.
    PMID: 37506072 DOI: 10.1371/journal.pone.0283862
    BACKGROUND AND AIMS: There is growing evidence on the contribution of psychological factors to internet addiction; yet it remains inconsistent and deserves further exploration. The aim of this study was to determine the relationship between the psychological symptoms (Attention Deficit Hyperactivity Disorder (ADHD) symptoms, stress, depression, anxiety and loneliness) and internet addiction (IA) among the university students in Malaysia.

    MATERIALS AND METHODS: A total of 480 students from different faculties in a Malaysian public university participated in this study. They were selected by simple random sampling method. They completed self-administered questionnaires including the Malay Version of Internet Addiction Test (MVIAT)) to measure internet addiction and Adult Self-Report Scale (ASRS) Symptom Checklist, Depression Anxiety Stress Scales (DASS) and UCLA Loneliness Scale (Version 3) to assess for ADHD symptoms, depression, anxiety, stress, and loneliness respectively.

    RESULTS: The prevalence of IA among university students was 33.33% (n = 160). The respondents' mean age was 21.01 ± 1.29 years old and they were predominantly females (73.1%) and Malays (59.4%). Binary logistic regression showed that gender (p = 0.002; OR = 0.463, CI = 0.284-0.754), ADHD inattention (p = 0.003; OR = 2.063, CI = 1.273-3.345), ADHD hyperactivity (p<0.0001; OR = 2.427, CI = 1.495-3.939), stress (p = 0.048; OR = 1.795, CI = 1.004-3.210) and loneliness (p = 0.022; OR = 1.741, CI = 1.084-2.794) were significantly associated with IA.

    CONCLUSION: A third of university students had IA. In addition, we found that those who were at risk of IA were males, with ADHD symptoms of inattention and hyperactivity, who reported stress and loneliness. Preventive strategy to curb internet addiction and its negative sequelae may consider these factors in its development and implementation.

  4. Leong Abdullah MF, Nik Jaafar NR, Zakaria H, Rajandram RK, Mahadevan R, Mohamad Yunus MR, et al.
    Psychooncology, 2015 Aug;24(8):894-900.
    PMID: 25612065 DOI: 10.1002/pon.3740
    Positive and negative psychological reactions have been described in head and neck cancer patients. Nevertheless, the relationships between these responses across time need to be studied to understand the patients' strengths and vulnerabilities.
  5. Woon LS, Kanapathy A, Zakaria H, Alfonso CA
    Psychodyn Psychiatry, 2017;45(2):237-257.
    PMID: 28590207 DOI: 10.1521/pdps.2017.45.2.237
    Obsessive-compulsive disorder (OCD) is a debilitating psychiatric disorder that often runs a chronic unremitting course. Treatment outcomes can be unsatisfactory despite the availability of various somatic and psychological therapies. Psychodynamic psychotherapy in combination with cognitive behavioral therapy (CBT) with exposure and response prevention (ERP) could help patients with treatment-resistant OCD achieve better outcomes. An integrative approach can help patients gain insight, strengthen the therapeutic alliance, improve treatment adherence, and provide symptomatic relief when other treatments seem insufficient or have failed. We describe the treatment process of a person with treatment-resistant OCD who received pharmacotherapy, concurrent CBT/ERP, and a brief course of psychodynamic psychotherapy. Case formulations from cognitive behavioral and psychodynamic perspectives are presented. The authors discuss the advantages of doing a psychodynamic assessment and formulation in treatment refractory cases and the wisdom of integrating psychotherapy interventions for OCD, as well as the unique clinical features of cases that warrant a multimodal treatment approach.
  6. Loo JL, Ang JK, Subhas N, Ho BK, Zakaria H, Alfonso CA
    Psychodyn Psychiatry, 2017;45(1):45-57.
    PMID: 28248565 DOI: 10.1521/pdps.2017.45.1.45
    The subjective nature of psychodynamic psychotherapy (PP) makes training and supervision more abstract compared to other forms of psychotherapy. The issues encountered in the learning and supervision process of PP of Malaysian psychiatry trainees are discussed in this article. Issues of preparation before starting PP, case selection, assessment of patients, dynamic formulations, supervision, anxieties in the therapy, countertransference, termination of therapy, the treatment alliance, transfer of care, the therapeutic setting, and bioethical considerations are explored. Everyone's experience of learning PP is unique and there is no algorithmic approach to its practice. With creative thinking, effort, and "good enough" supervision, a trainee can improve PP skills, even in underserved areas of the world.
  7. Castillo-Carandang NT, Buenaventura RD, Chia YC, Do Van D, Lee C, Duong NL, et al.
    Risk Manag Healthc Policy, 2020;13:803-819.
    PMID: 32765135 DOI: 10.2147/RMHP.S256165
    Introduction: Noncommunicable diseases (NCDs) are the leading cause of morbidity and mortality in the Association of Southeast Asian Nations (ASEAN) member states. Progress has been slow despite the World Health Organization action plan for the prevention and control of NCDs in the region. This paper presents recommendations focused on practical strategies for optimizing NCD management in the ASEAN region.

    Methods: A multidisciplinary group of experts from six ASEAN member states convened for two face-to-face meetings to discuss barriers and possible recommendations for optimizing NCD management, focused on cardiovascular diseases and mental disorders, in the region. Multiple approaches, ie, analysis of insights from the meetings and a review of existing literature on NCD programs in the ASEAN region were followed. The proposed recommendations were also based on selected successful interventions in ASEAN member states, thus providing actionable strategies.

    Results: The gaps identified in NCD management for cardiovascular diseases and mental disorders in the ASEAN region were classified into gaps relating to policies and to clinical and public health practice. The proposed solutions addressing policy gaps include fostering multisectoral public-private partnerships, employing "whole-of-government" and "whole-of-society" approaches and promoting "health-in-all policies approach" to manage issues with financing, accessibility, efficiency and quality of health services. Whereas proposed solutions to bridge clinical and public health practice gaps entail strengthening primary care services, building the capacity of trained healthcare workers and employing collaborative care for holistic management of patients.

    Conclusion: The scale of premature and preventable deaths from NCDs in the ASEAN region remains a serious public health concern and requires a "whole-of-system approach". The interventions proposed in this paper build on regional collaborations and knowledge sharing to help develop a concerted and targeted response to NCDs.

  8. Lila MA, Siew JS, Zakaria H, Saad SM, Ni LS, Abdullah JM
    Malays J Med Sci, 2004 Jan;11(1):9-23.
    PMID: 22977356 MyJurnal
    Gene therapy is a promising approach towards cancer treatment. The main aim of the therapy is to destroy cancer cells, usually by apoptotic mechanisms, and preserving others. However, its application has been hindered by many factors including poor cellular uptake, non-specific cell targeting and undesirable interferences with other genes or gene products. A variety of strategies exist to improve cellular uptake efficiency of gene-based therapies. This paper highlights advancements in gene therapy research and its application in relation to anti-cancer treatment.
  9. Hanim BS, Rahim RA, Mohd Salleh MF, Zakaria H, Abd Shukor N
    Malays J Pathol, 2023 Dec;45(3):463-471.
    PMID: 38155387
    INTRODUCTION: Chorioamnionitis is the inflammation of the placenta and is histologically defined as the presence of neutrophilic infiltration into the chorio-amnion membrane with and without involvement of the umbilical cord. Currently, the inflammatory mediators involved in the eliciting of inflammatory response is still largely under investigation. CD47 and CD36 are pro-inflammatory molecules that are still under investigation. The aim of this study was to determine the expressions of CD47 and CD36 in the placenta of mothers with chorioamnionitis.

    MATERIALS AND METHODS: This was a cross-sectional study, involving a total of 100 cases that comprised of acute subchorionitis (stage I, n=20), acute chorioamnionitis (stage II, n=20), acute necrotising chorioamnionitis (stage III, n=20) and non-chorioamnionitis placenta as control (n=40). All tissue blocks were retrieved from the archived pathology record over a period of 4 years. CD36 and CD47 immunohistochemistry were performed on all cases and their expression in various cell types on the placenta were analysed.

    RESULTS: CD36 was expressed only on the foetal vascular endothelial cells. Interestingly, CD47 showed positive staining on the neutrophils and its expression was significantly different between maternal inflammatory response stage II chorioamnionitis (n=13/20, p<0.001) with stage I and stage III chorioamnionitis.

    DISCUSSION: Our study showed CD47 was expressed in the neutrophils and it was associated with poorer perinatal outcomes and it may have a role in the pathogenesis of chorioamnionitis.

  10. Alfonso CA, Michael MC, Elvira SD, Zakaria H, Kalayasiri R, Adlan ASA, et al.
    Psychiatr. Clin. North Am., 2018 06;41(2):305-318.
    PMID: 29739528 DOI: 10.1016/j.psc.2018.01.010
    Psychodynamic psychiatry remains a challenging subject to teach in underserved areas, where enthusiasm to learn is substantial. Besides logistical and psychiatric workforce shortcomings, sensible cultural adaptations to make psychodynamic psychiatry relevant outside of high-income countries require creative effort. Innovative pedagogical methods that include carefully crafted mentoring and incorporate videoconferencing in combination with site visits can be implemented through international collaborations. Emphasis on mentoring is essential to adequately train future psychodynamic psychotherapy supervisors. Examples of World Psychiatric Association initiatives in countries such as Indonesia, Iran, Malaysia, and Thailand are presented as possible models to emulate elsewhere.
  11. Yeap HY, Faruq G, Zakaria HP, Harikrishna JA
    ScientificWorldJournal, 2013;2013:569268.
    PMID: 24222741 DOI: 10.1155/2013/569268
    Allele Specific Amplification with four primers (External Antisense Primer, External Sense Primer, Internal Nonfragrant Sense Primer, and Internal Fragrant Antisense Primer) and sensory evaluation with leaves and grains were executed to identify aromatic rice genotypes and their F1 individuals derived from different crosses of 2 Malaysian varieties with 4 popular land races and 3 advance lines. Homozygous aromatic (fgr/fgr) F1 individuals demonstrated better aroma scores compared to both heterozygous nonaromatic (FGR/fgr) and homozygous nonaromatic (FGR/FGR) individuals, while, some F1 individuals expressed aroma in both leaf and grain aromatic tests without possessing the fgr allele. Genotypic analysis of F1 individuals for the fgr gene represented homozygous aromatic, heterozygous nonaromatic and homozygous nonaromatic genotypes in the ratio 20:19:3. Genotypic and phenotypic analysis revealed that aroma in F1 individuals was successfully inherited from the parents, but either molecular analysis or sensory evaluation alone could not determine aromatic condition completely. The integration of molecular analysis with sensory methods was observed as rapid and reliable for the screening of aromatic genotypes because molecular analysis could distinguish aromatic homozygous, nonaromatic homozygous and nonaromatic heterozygous individuals, whilst the sensory method facilitated the evaluation of aroma emitted from leaf and grain during flowering to maturity stages.
  12. Wan Puteh SE, Manap RA, Hassan TM, Ahmad IS, Idris IB, Sham FM, et al.
    Tob Induc Dis, 2018;16:57.
    PMID: 31516454 DOI: 10.18332/tid/99539
    INTRODUCTION: E-cigarette use is an emerging phenomenon with increasing recognition and acceptance globally. This study aims to create a profile of e-cigarette users among university students in Malaysia.

    METHODS: The study was conducted using a cross-sectional research involving six universities in Malaysia. A semi-structured questionnaire was distributed to 1302 randomly selected students, who either smoked cigarettes and/or e-cigarettes. The 2011 version of Global Adult Tobacco Surveys (GATS) tool was used to record the respondents' sociodemographic data.

    RESULTS: The study revealed that 74.9% of the respondents smoked e-cigarettes; 40.3% used both cigarettes and e-cigarettes (dual users), and 34.5% were exclusive e-cigarette users. The exclusive use of e-cigarettes was related to gender (OR=0.18, 95% CI: 0.09-0.39). Also, male respondents were the majority users (95%). Of the respondents, 75.2 % were Malays, 98.0% single and most believed they have no health problems (92.1%). Further findings revealed the occurrence of adverse effects, dizziness 14.4%, cough 14.1%, and headaches 12.4%. Overall, 57.8% of the respondents used e-cigarettes as a smoking cessation tool, while others consider e-cigarettes a self-image enhancing tool or as part of social activities.

    CONCLUSIONS: Further research on the use of e-cigarettes should be conducted on a large number of respondents in other settings to augment the findings of this study, and also guide policy making on and prevention practice of e-cigarette use, among the general student population in Malaysia.
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