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Fulltext Energy, protein, fat and carbohydrate intakes of underweight, normal weight and obese government office workers in an urban area

Arshad F, Nor IM, Ali RM, Hamzah F

Asia Pac J Clin Nutr, 1996 Jun;5(2):88-91.
PMID: 24394516

Diet is one of the major factors contributing to the development of obesity, apart from heredity and energy balance. The objective of this cross-sectional study is to assess energy, carbohydrate, protein and fat intakes in relation to bodyweight status among government office workers in Kuala Lumpur. A total of 185 Malay men and 196 Malay women aged 18 and above were randomly selected as the study sample. Height and weight were taken to determine body mass index (BMI). The dietary profile was obtained by using 24-hour dietary recalls and food frequency methods. This was analysed to determine average nutrient intake per day. Other information was ascertained from tested and coded questionnaires. The subjects were categorised into three groups of bodyweight status namely underweight (BMI < 20 kg/m2), normal weight (BMI 20-25 kg/m2) and obese (BMI > 25 kg/m2). The prevalence of obesity was 37.8%. The study showed that the mean energy intake of the respondents was 1709 ± 637 kcal/day. The energy composition comprised of 55.7 ± 7.6% carbohydrates, 29.7 ± 21.7 % fat and 15.6 ± 3.8% protein. There was no significant difference in diet composition among the three groups. The findings indicate that normal weight and overweight individuals had a lower intake of calories and carbohydrates than the underweight individuals (p<0.05). However, there were no significant differences in fat intakes.
Nutritional evaluation of working Malay women in Kuala Lumpur as studied by total food duplicate method

Shimbo S, Moon CS, Zhang ZW, Watanabe T, Ismail NH, Ali RM, et al.

Tohoku J. Exp. Med., 1996 Oct;180(2):99-114.
PMID: 9111760

Nutrient intake was surveyed by the total food duplicate method in 49 adult ethnically Malay women (at the ages of 18 to 47 years and mostly at 30-39 years) working in Kuala Lumpur, Malaysia. Simultaneously, hematological examinations, serum biochemistry, anthropometry and clinical examination were conducted. Nutrient intakes were estimated in reference to the weight of each food item and the standard food composition tables. Lunch was the most substantial meal of the day with rice as a staple food. Compared with the Recommended Dietary Allowance (RDA) values, daily intakes of energy (1,917 kcal as an arithmetic mean), protein (62.2 g), vitamin B1 (0.83 mg) and vitamin B2 (1.18 mg) were sufficient, but intakes of minerals [i.e., calcium (347.8 mg) and iron (12.5 mg)] and some vitamins [i.e., vitamin A (equivalent to 627 micrograms retinol) and niacin (7.84 mg)] were less than RDA. When evaluated on an individual basis, the prevalence of those who took less than 80% RDA was highest for iron (92%), followed by niacin (80%), calcium (57%) and vitamin A (57%). The presence of 7 hypohemoglobinemia cases may be related to the insufficient iron intake. Overweight cases (14 women) were also detected, the prevalence of which increased at advanced ages. Lipid intake was rather high (28% of total food on energy basis), for which the major source was plants with limited contribution from fish/shellfish.
Antimicrobial and antiinflammatory activities of extracts and constituents of Oroxylum indicum (L.) Vent

Mat Ali R, Houghton PJ, Raman A, Hoult JR

Phytomedicine, 1998 Oct;5(5):375-81.
PMID: 23195987 DOI: 10.1016/S0944-7113(98)80020-2

Dichloromethane extracts of the stembark and root of Oroxylum indicum were found to have antimicrobial activities against Gram positive bacteria (Bacillus subtilis and Staphylococcus aureus), Gramnegative bacteria (Escherichia coli and Pseudomonas aeruginosa) and a yeast (Candida albicans). Bioassay-guided chromatographic fractionation led to the isolation of flavonoids (bacailein and chrysin) and a naphthoquinone, lapachol. Lapachol was found active against the Gram-positive bacteria, 5 μg giving a zone of inhibition equivalent to that shown by 5 μg streptomycin, whereas 5 μg chrysin gave inhibition zones of equal size to 5 μg streptomycin against Candida albicans and Pseudomonas aeruginosa. The inhibitory activity of lapachol from O. indicum root against soya 5-lipoxygenase (IC(50) 0.79 μg/ml) was equivalent to that of the positive control fisetin (IC(50) 0.97 μg/ml) and 50 μg/ml of the dichloromethane extract of the rootbark gave 100% inhibition of leukocyte lipoxygenase. These activities might indicate an antiinflammatory effect for the dichloromethane extract, mainly due to the lapachol content.
Fulltext A strategy for reducing maternal mortality

Suleiman AB, Mathews A, Jegasothy R, Ali R, Kandiah N

Bull World Health Organ, 1999;77(2):190-3.
PMID: 10083722

A confidential system of enquiry into maternal mortality was introduced in Malaysia in 1991. The methods used and the findings obtained up to 1994 are reported below and an outline is given of the resulting recommendations and actions.
PIP: This is a report on the methods, findings, resulting recommendations and actions of a study on maternal mortality in Malaysia during the period 1991-94. Maternal death was defined as the death of a woman while pregnant or within 42 days following termination of pregnancy from any cause related to the pregnancy or its management but not from accidental causes. Between 1991 and 1994 there were 1066 reported maternal deaths, and the maternal mortality ratios for the successive years were respectively 44, 48, 46 and 39 per 100,000 live births. The primary causes of maternal death were postpartum hemorrhage (24%), hypertensive disorders of pregnancy (16%), obstetric pulmonary embolism (13%), and associated medical conditions (7%). Analysis of the 375 deaths from 1992 - 1993 showed that the maternal mortality ratio was 53/100,000 live births for deliveries performed at home, 36/100,000 in government hospitals, and 21/100,000 in private institutions. Shortcomings among health personnel were detected in several cases; these involved failure to diagnose, failure to appreciate the severity of a patient's condition, inadequate therapy, and inappropriate, delayed or failed adherence to protocols. The high proportion of maternal mortality associated with substandard care demonstrates that it is important to make the standard of care more widely available. Reports have been circulated to institutions and organizations providing maternal care and to medical schools. Articles and case histories have been published, and many new protocols and procedures have been developed. Furthermore, seminars have been organized and training modules have been distributed to all involved in the provision of maternity care.
A comparison of the pattern of liver involvement in dengue hemorrhagic fever with classic dengue fever

Wahid SF, Sanusi S, Zawawi MM, Ali RA

Southeast Asian J. Trop. Med. Public Health, 2000 Jun;31(2):259-63.
PMID: 11127322

The impact of dengue on liver function was studied on fifty serologically confirmed dengue cases admitted to Hospital Universiti Kebangsaan Malaysia (HUKM). Twenty-five of these patients had classic dengue fever (DF) and 25 had grade 1 or 2 dengue hemorrhagic fever (DHF). There were more (60%) DHF patients with hepatomegaly compared to DF (40%) but the difference was not statistically significant. Analysis of the liver profile showed that liver dysfunction was commoner in DHF compared to DF, indicating that the degree of liver impairment may be related to the severity of DHF. Hyperbilirubinemia was noted in 3 (12%) DHF and 2 (8%) DF patients. The mean (range) serum bilirubin was higher in DHF [14.2(5-50) micromol/l] compared to DF [10.9(5-30) micromol/l)] (p > 0.05). Elevated levels of serum alanine aminotransferase (ALT) and alkaline phosphatase (ALP) were observed more frequently in DHF (20 and 12 patients respectively) compared to DF (16 and 8 patients respectively). Nine (36%) DHF and 6 (24%) DF patients had concomitant elevation of ALT and ALP levels. The mean (range) serum ALT levels were 109.3(23-325) U/l in DHF and 90.8(13-352) U/l in DF (p > 0.05). The mean (range) serum ALP levels were 102.2(15-319) U/l in DHF and 93.3(34-258) U/l in DF (p > 0.05). The ALT and ALP levels were significantly higher in DHF patients with spontaneous bleeding than those without bleeding (p < 0.05) None of the patients developed fulminant hepatitis. The immunoregulatory cells, which include the T (CD3), B (CD 19), CD4, CD8, CD5 and natural killer (NK) cells were significantly lower in DHF compared to DF patients (p < 0.05). However, the reduction in these cell counts did not correlate with the liver dysfunction seen in DHF patients. In conclusion, hepatomegaly and liver dysfunction were commoner in DHF compared to DF.
Nipah virus infection among abattoir workers in Malaysia, 1998-1999

Sahani M, Parashar UD, Ali R, Das P, Lye MS, Isa MM, et al.

Int J Epidemiol, 2001 Oct;30(5):1017-20.
PMID: 11689513

BACKGROUND: An outbreak of encephalitis primarily affecting pig farmers occurred during 1998-1999 in Malaysia and was linked to a new paramyxovirus, Nipah virus, which infected pigs, humans, dogs, and cats. Because five abattoir workers were also affected, a survey was conducted to assess the risk of Nipah infection among abattoir workers.
METHODS: Workers from all 143 registered abattoirs in 11 of 13 states in Malaysia were invited to participate in this cross-sectional study. Participants were interviewed to ascertain information on illness and activities performed at the abattoir. A serum sample was obtained to test for Nipah virus antibody.
RESULTS: Seven (1.6 %) of 435 abattoir workers who slaughtered pigs versus zero (0%) of 233 workers who slaughtered ruminants showed antibody to Nipah virus (P = 0.05). All antibody-positive workers were from abattoirs in the three states that reported outbreak cases among pig farmers. Workers in these three states were more likely than those in other states to have Nipah antibody (7/144 [4.86%] versus 0/291 [0%], P < 0.001) and report symptoms suggestive of Nipah disease in pigs admitted to the abattoirs (P = 0.001).
CONCLUSIONS: Nipah infection was not widespread among abattoir workers in Malaysia and was linked to exposure to pigs. Since it may be difficult to identify Nipah-infected pigs capable of transmitting virus by clinical symptoms, using personal protective equipment, conducting surveillance for Nipah infection on pig farms which supply abattoirs, and avoiding handling and processing of potentially infected pigs are presently the best strategies to prevent transmission of Nipah virus in abattoirs.
Fulltext Nipah virus among military personnel involved in pig culling during an outbreak of encephalitis in Malaysia, 1998-1999

Ali R, Mounts AW, Parashar UD, Sahani M, Lye MS, Isa MM, et al.

Emerg Infect Dis, 2001 Jul-Aug;7(4):759-61.
PMID: 11592256
Acute leukaemia masquerading as acute abdomen

S Abdul Wahid F, Cheong SK, Azman Ali R

Hosp Med, 2002 Jun;63(6):372-3.
PMID: 12096671 DOI: 10.12968/hosp.2002.63.6.2011
Multiresolution wavelet analysis for efficient analysis, compression and remote display of long-term physiological signals

Khuan LY, Bister M, Blanchfield P, Salleh YM, Ali RA, Chan TH

Australas Phys Eng Sci Med, 2006 Jun;29(2):216-28.
PMID: 16845928

Increased inter-equipment connectivity coupled with advances in Web technology allows ever escalating amounts of physiological data to be produced, far too much to be displayed adequately on a single computer screen. The consequence is that large quantities of insignificant data will be transmitted and reviewed. This carries an increased risk of overlooking vitally important transients. This paper describes a technique to provide an integrated solution based on a single algorithm for the efficient analysis, compression and remote display of long-term physiological signals with infrequent short duration, yet vital events, to effect a reduction in data transmission and display cluttering and to facilitate reliable data interpretation. The algorithm analyses data at the server end and flags significant events. It produces a compressed version of the signal at a lower resolution that can be satisfactorily viewed in a single screen width. This reduced set of data is initially transmitted together with a set of 'flags' indicating where significant events occur. Subsequent transmissions need only involve transmission of flagged data segments of interest at the required resolution. Efficient processing and code protection with decomposition alone is novel. The fixed transmission length method ensures clutter-less display, irrespective of the data length. The flagging of annotated events in arterial oxygen saturation, electroencephalogram and electrocardiogram illustrates the generic property of the algorithm. Data reduction of 87% to 99% and improved displays are demonstrated.
Ethnic differences in the time trend of female breast cancer incidence: Singapore, 1968-2002

Sim X, Ali RA, Wedren S, Goh DL, Tan CS, Reilly M, et al.

BMC Cancer, 2006;6:261.
PMID: 17078893

From 1968 to 2002, Singapore experienced an almost three-fold increase in breast cancer incidence. This increase appeared to be different across the three main ethnic groups: Chinese, Malays and Indians. This paper used age-period-cohort (APC) modelling, to determine the effects of age at diagnosis, calendar period, and birth cohort on breast cancer incidence for each ethnic group.
The rise of methamphetamine in Southeast and East Asia

McKetin R, Kozel N, Douglas J, Ali R, Vicknasingam B, Lund J, et al.

Drug Alcohol Rev, 2008 May;27(3):220-8.
PMID: 18368602 DOI: 10.1080/09595230801923710

Southeast and East Asia has become a global hub for methamphetamine production and trafficking over the past decade. This paper describes the rise of methamphetamine supply and to what extent use of the drug is occurring in the region.
Fulltext Localised pigmented villonodular synovitis presenting as anterior knee pain

Goh JH, Saravanan S, Ng WM, Looi LM, Ali R

Malays Orthop J, 2010;4(1):50-52.
MyJurnal

We report a case of a 21 years old female who presented with a history of anterior knee pain for previous 3 months. Pain was localized to the anteromedial aspect of the left knee and aggravated by flexion. Clinical examination revealed a 2x2cm painful lump on the anteromedial aspect of the left medial condyle with no effusion. Magnetic resonance imaging revealed an anterosuperior tear of the medial collateral ligament. The patient subsequently underwent left knee arthroscopic examination. Two yellowish pedunculated masses arising from the anteromedial portion of the synovium were discovered and completely excised. Histopathological examination of the excision biopsy revealed pigmented villonodular synovitis (PVNS) with marked central necrosis. One year post excision, she is well with no signs or symptoms of recurrence. This case highlights an uncommon cause of anterior knee pain. Localized PVNS typically presents with mechanical symptoms, however, pain could arise from pedicle torsion and necrosis.
Chemical constituents and antimicrobial activity of the leaf and rhizome oils of Alpinia pahangensis Ridl., an endemic wild ginger from peninsular Malaysia

Awang K, Ibrahim H, Rosmy Syamsir D, Mohtar M, Mat Ali R, Azah Mohamad Ali N

Chem Biodivers, 2011 Apr;8(4):668-73.
PMID: 21480512 DOI: 10.1002/cbdv.201000225

The essential oils from the leaves and rhizomes of Alpinia pahangensis Ridl., collected from Pahang, Peninsular Malaysia, were obtained by hydrodistillation, and their chemical compositions were determined by GC and GC/MS analyses. The major components of the rhizome oil were γ-selinene (11.60%), β-pinene (10.87%), (E,E)-farnesyl acetate (8.65%), and α-terpineol (6.38%), while those of the leaf oil were β-pinene (39.61%), α-pinene (7.55%), and limonene (4.89%). The investigation of the antimicrobial activity of the essential oils using the broth microdilution technique revealed that the rhizome oil of A. pahangensis inhibited five Staphylococcus aureus strains with minimum inhibitory concentration (MIC) values between 0.08 and 0.31 μg/μl, and four selected fungi with MIC values between 1.25 and 2.50 μg/μl.
Fulltext A preliminary study comparing the use of allogenic chondrogenic pre-differentiated and undifferentiated mesenchymal stem cells for the repair of full thickness articular cartilage defects in rabbits

Dashtdar H, Rothan HA, Tay T, Ahmad RE, Ali R, Tay LX, et al.

J Orthop Res, 2011 Sep;29(9):1336-42.
PMID: 21445989 DOI: 10.1002/jor.21413

Chondrogenic differentiated mesenchymal stem cells (CMSCs) have been shown to produce superior chondrogenic expression markers in vitro. However, the use of these cells in vivo has not been fully explored. In this study, in vivo assessment of cartilage repair potential between allogenic-derived chondrogenic pre-differentiated mesenchymal stem cells and undifferentiated MSCs (MSCs) were compared. Bilateral full thickness cartilage defects were created on the medial femoral condyles of 12 rabbits (n = 12). Rabbits were divided into two groups. In one group, the defects in the right knees were repaired using alginate encapsulated MSCs while in the second group, CMSCs were used. The animals were sacrificed and the repaired and control knees were assessed at 3 and 6 months after implantation. Quantitative analysis was performed by measuring the Glycosaminoglycans (GAGs)/total protein content. The mean Brittberg score was higher in the transplanted knees as compared to the untreated knee at 6 months (p 0.05). This study demonstrates that the use of either MSC or CMSC produced superior healing when compared to cartilage defects that were untreated. However, both cells produced comparable treatment outcomes.
KCNQ1 variants associate with type 2 diabetes in Malaysian Malay subjects

Saif-Ali R, Muniandy S, Al-Hamodi Z, Lee CS, Ahmed KA, Al-Mekhlafi AM, et al.

Ann Acad Med Singap, 2011 Nov;40(11):488-92.
PMID: 22206064

INTRODUCTION: Type 2 diabetes (T2D) candidate gene: potassium voltage-gated channel, KQT-like subfamily, member 1 (KCNQ1) was suggested by conducting a genome wide association study (GWAS) in Japanese population. Association studies have been replicated among East Asian populations; however, the association between this gene and T2D in Southeast Asian populations still needs to be studied. This study aimed to investigate the association of KCNQ1 common variants with type 2 diabetes in Malaysian Malay subjects.
MATERIALS AND METHODS: The KCNQ1 single nucleotide polymorphisms (SNPs): rs2237892, rs2283228, and rs2237895 were genotyped in 234 T2D and 177 normal Malay subjects.
RESULTS: The risk allele of the rs2283228 (A) was strongly associated with T2D (OR = 1.7, P = 0.0006) while the rs2237892 (C) was moderately associated with T2D (OR = 1.45, P = 0.017). The recessive genetic models showed that rs2283228 was strongly associated with T2D (OR = 2.35, P = 0.00005) whereas rs2237892 showed a moderate association with T2D (OR = 1.69, P = 0.01). The haplotype block (TCA), which contained the protective allele, correlated with a protection from T2D (OR = 0.5, P = 0.003). Furthermore, the diplotype (CAA-TCA) that contained the protective haplotype was protected against T2D (OR = 0.46, P = 0.006).
CONCLUSION: The KCNQ1 SNPs, haplotypes and diplotypes are associated with T2D in the Malaysian Malay subjects.
Cytolytic effects and apoptosis induction of Newcastle disease virus strain AF2240 on anaplastic astrocytoma brain tumor cell line

Ali R, Alabsi AM, Ali AM, Ideris A, Omar AR, Yusoff K, et al.

Neurochem Res, 2011 Nov;36(11):2051-62.
PMID: 21671106 DOI: 10.1007/s11064-011-0529-8

Newcastle disease virus (NDV) is a member of genus Avulavirus within the family Paramyxoviridae. Interest of using NDV as an anticancer agent has arisen from its ability to kill tumor cells with limited toxicity to normal cells. In this investigation, the cytotolytic properties of NDV strain AF2240 were evaluated on brain tumor cell line, anaplastic astrocytoma (U-87MG), by using MTT assay. Cytological observations were studied using fluorescence microscopy and transmission electron microscopy to show the apoptogenic features of NDV on U-87MG. DNA laddering in agarose gel electrophoresis and terminal deoxyribonucleotide transferase-mediated dUTP-X nick end-labeling staining assay confirmed that the mode of cell death was by apoptosis. However, analysis of the cellular DNA content by flowcytometery showed that there was a loss of treated U-87MG cells in all cell cycle phases (G1, S and G2/M) accompanied with increasing in sub-G1 region (apoptosis peak). Early apoptosis was observed 6 h post-inoculation by annexin-V flow-cytometry method. It could be concluded that NDV strain AF2240 is a potent antitumor agent that induce apoptosis and its cytotoxicity increasing while increasing of time and virus titer.
Effect of Lactobacillus casei on the Production of Pro-Inflammatory Markers in Streptozotocin-Induced Diabetic Rats

Zarfeshani A, Khaza'ai H, Mohd Ali R, Hambali Z, Wahle KW, Mutalib MS

Probiotics Antimicrob Proteins, 2011 Dec;3(3-4):168-74.
PMID: 26781677 DOI: 10.1007/s12602-011-9080-9

It has been demonstrated that probiotic supplementation has positive effects in several murine models of disease through influences on host immune responses. This study examined the effect of Lactobacillus casei strain Shirota (L. casei Shirota) on the blood glucose, C-reactive protein (CRP), Interleukin-6 (IL-6), Interleukin-4 (IL-4), and body weight among STZ-induced diabetic rats. Diabetes mellitus was induced by streptozotocin (STZ, 50 mg/kg BW) in male Sprague-Dawley rats. Streptozotocin caused a significant increase in the blood glucose levels, CRP, and IL-6. L. casei Shirota supplementation lowered the CRP and IL-6 levels but had no significant effect on the blood glucose levels, body weight, or IL-4. Inflammation was determined histologically. The presence of the innate immune cells was not detectable in the liver of L. casei Shirota-treated hyperglycemic rats. The probiotic L. casei Shirota significantly lowered blood levels of pro-inflammatory cytokines (IL-6, CRP) and neutrophils in diabetic rats, showing a lower risk of diabetes mellitus and its complications.
Awareness and knowledge of breast cancer and mammography among a group of Malaysian women in Shah Alam

Al-Dubai SA, Qureshi AM, Saif-Ali R, Ganasegeran K, Alwan MR, Hadi JI

Asian Pac J Cancer Prev, 2011;12(10):2531-8.
PMID: 22320951

OBJECTIVES: The aim of this study was to assess awareness and knowledge of breast cancer and mammography among Malaysian women in Shah Alam.
METHODS: This cross sectional study was conducted among 250 Malaysian women. Data were collected using a self administrated questionnaire which included questions on socio-demographic data, knowledge of breast cancer and awareness of mammography.
RESULTS: Mean age of respondents was 28 ± 9.2 with 69.2% aged 18 to 29 years. The majority had heard about breast cancer (81.2%) and indicated books, magazines and brochures as their source of information (55.2%). However, most did not know about signs and symptoms of breast cancer and many of its risk factors. On multivariate analysis, significant predictors of breast cancer knowledge were age, race, marital status, level of education, occupation, family size and family history of other cancers (p<0.05). Fifty percent of women were aware of mammography, significant predictors being age, occupation, marital status and knowledge of breast cancer (p<0.05).
CONCLUSION: Most women were aware of breast cancer. However, the knowledge about signs and symptoms of breast cancer and awareness of mammography were inadequate. It is recommended that the level of knowledge should be raised among Malaysian women, particularly in the less educated young.
Fulltext Effects of newcastle disease virus strains AF2240 and V4-UPM on cytolysis and apoptosis of leukemia cell lines

Alabsi AM, Bakar SA, Ali R, Omar AR, Bejo MH, Ideris A, et al.

Int J Mol Sci, 2011;12(12):8645-60.
PMID: 22272097 DOI: 10.3390/ijms12128645

Newcastle disease virus (NDV) is used as an antineoplastic agent in clinical tumor therapy. It has prompted much interest as an anticancer agent because it can replicate up to 10,000 times better in human cancer cells than in most normal cells. This study was carried out to determine the oncolytic potential of NDV strain AF2240 and V4-UPM on WEHI-3B leukemia cell line. Results from MTT cytotoxicity assay showed that the CD(50) values for both strains were 2 and 8 HAU for AF2240 and V4-UPM, respectively. In addition, bromodeoxyuridine (BrdU) and trypan blue dye exclusion assays showed inhibition in cell proliferation after different periods. Increase in the cellular level of caspase-3 and detection of DNA laddering using agarose gel electrophoresis on treated cells with NDV confirmed that the mode of cell death was apoptosis. In addition, flow-cytometry analysis of cellular DNA content showed that the virus caused an increase in the sub-G1 region (apoptosis peaks). In conclusion, NDV strains AF2240 and V4-UPM caused cytolytic effects against WEHI-3B leukemic cell line.
Fulltext KCNQ1 haplotypes associate with type 2 diabetes in Malaysian Chinese Subjects

Saif-Ali R, Ismail IS, Al-Hamodi Z, Al-Mekhlafi HM, Siang LC, Alabsi AM, et al.

Int J Mol Sci, 2011;12(9):5705-18.
PMID: 22016621 DOI: 10.3390/ijms12095705

The aim of this study was to investigate the association of single nucleotide polymorphisms (SNPs) and haplotypes of potassium voltage-gated channel, KQT-like subfamily, member 1 (KCNQ1) with type 2 diabetes (T2D) in Malaysian Chinese subjects. The KCNQ1 SNPs rs2237892, rs2283228 and rs2237895 were genotyped in 300 T2D patients and 230 control subjects without diabetes and metabolic syndrome. Two logistic regression models of analysis were applied, the first adjusted for age and gender while the second adjusted for age, gender and body mass index. The additive genetic analysis showed that adjusting for body mass index (BMI) even strengthened association of rs2237892, rs2283228 and rs2237895 with T2D (OR = 2.0, P = 5.1 × 10(-5); OR = 1.9, P = 5.2 × 10(-5); OR = 1.9, P = 7.8 × 10(-5), respectively). The haplotype TCA containing the allele of rs2237892 (T), rs2283228 (C) and rs2237895 (A) was highly protective against T2D (Second model; OR = 0.17, P = 3.7 × 10(-11)). The KCNQ1 rs2237892 (TT), and the protective haplotype (TCA) were associated with higher beta-cell function (HOMA-B) in normal subjects (P = 0.0002; 0.014, respectively). This study found that KCNQ1 SNPs was associated with T2D susceptibility in Malaysian Chinese subjects. In addition, certain KCNQ1 haplotypes were strongly associated with T2D.

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