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Comparative Study of Onion (Allium cepa) and Leek (Allium ampeloprasum): Identification of Organosulphur Compounds by UPLC-QTOF/MS and Anticancer Effect on MCF-7 Cells

Zamri N, Hamid HA

Plant Foods Hum Nutr, 2019 Dec;74(4):525-530.
PMID: 31696379 DOI: 10.1007/s11130-019-00770-6

Onion (Allium cepa) and leek (Allium ampeloprasum var. porrum) are common herbs and vegetables found in our daily life. It belongs to the genus Allium, which is usually known for their high antioxidant and anticancer properties. Medical researchers highly recommend the exploitation of herbs and plants as alternative ways in the treatment of cancer. This research was designed to study the anticancer effects of onion and leek extracts on MCF-7 human breast cancer cell. Crude extracts of ethanol, methanol, and water of onion and leek were obtained by maceration. MCF-7 cells were cultured in complete media at 37 °C and subjected to different treatments that involved varying concentrations (10, 50, and 100 μg/mL) of onion and leek extracts for 24, 48, and 72 h of incubation. The percentage of cell viability and the concentration of extracts on MCF-7 cells were determined using MTT assay. The water leek extract proved to be the most effective extract at 50 μg/mL, whereby it showed a significant inhibition ability due to the presence of entadamide A-β-D-glucopyranoside as identified by ultra-performance liquid chromatography-quadrupole/time-of-flight mass spectrometry (UPLC-QTOF/MS). Further studies about the mechanism of both extracts in causing cell death and the determination of the presence of other bioactive compounds in the extracts are needed.
Fulltext Nutritional Status and Health-Related Quality of Life among Knee and Hip Osteoarthritis Patients under Rehabilitation Care in Kuala Nerus, Terengganu, Malaysia

Zamri N, Harith S, Mat-Hassan N, Ong YQ

Malays Orthop J, 2021 Jul;15(2):77-88.
PMID: 34429826 DOI: 10.5704/MOJ.2107.012

Introduction: The World Health Organisation (WHO) has estimated that 80% of people with osteoarthritis (OA) have movement limitations while 25% of them cannot perform their major daily activities, thus resulting in a decline of their nutritional status and quality of life (QOL). Therefore, this study aimed to compare the nutritional status and health-related quality of life (HRQOL) of OA patients between gender and age group.
Material and Methods: A cross-sectional study was conducted on 131 OA patients in Rehabilitation Health Organisation, Terengganu. Socio-demographic, clinical, lifestyle histories, 24-hour dietary intake and HRQOL were assessed using a structured questionnaire.
Results: Knee and/or hip OA patients recruited consisted of 19.1% of men and 80.9 % of women collectively with a mean age of 61.81 (9.28) years ranging from 38 to 83 years. The percentages of underweight, normal, overweight, and obese patients were 1.5%, 12.2%, 36.7%, and 49.6%, respectively. Further assessment of HRQOL showed that the highest mean score was obtained by the social functioning (SF) domain of 41.25 (27.16), while the mental domain scored the least mean score of 21.15 (20.92). In terms of gender breakdown, the males had significantly greater weight and height but lower body fat (BF) compared to their female counterparts, as well as a significantly higher energy, carbohydrate and protein intake. According to the age group, patients aged < 60 years had significantly greater weight, height, and BF than those aged ≥ 60 years.
Conclusion: This study is an important baseline reference for proper OA management and prevention by providing crucial nutritional status and HRQOL information.
UPLC-QTOF/MS-based phenolic profiling of Melastomaceae, their antioxidant activity and cytotoxic effects against human breast cancer cell MDA-MB-231

Hamid HA, Ramli ANM, Zamri N, Yusoff MM

Food Chem, 2018 Nov 01;265:253-259.
PMID: 29884381 DOI: 10.1016/j.foodchem.2018.05.033

Eleven compounds were identified during profiling of polyphenols by UPLC-QTOF/MS. In abundance was quercetin-3-O-α-l-arabinofuranoside in M. malabathricum ethanolic leaves extract while 6-hydroxykaempferol-3-O-glucoside was present in the leaves extract of M. decenfidum (its rare variety). TPC and TFC were significantly higher in M. decemfidum extract than M. malabathricum extract. During DPPH, FRAF and β-carotene bleaching assays, M. decemfidum extract exhibited greater antioxidant activity compared to M. malabathricum extract. Effect of M. malabathricum and M. decemfidum extracts on viability of MDA-MB-231 cell at concentrations 6.25-100 μg/mL were evaluated for 24, 48 and 72 h. After 48 and 72 h treatment, M. malabathricum and M. decemfidum leaves extracts exhibited significant activity in inhibiting MDA-MB-231 cancer cell line with M. malabathricum extract being more cytotoxic. M. malabathricum and M. imbricatum serves as potential daily dietary source of natural phenolics and to improve chemotherapeutic effectiveness.
The epidemiology and healthcare burden of rare diseases requiring hospitalisation among adult patients in Langkawi, Malaysia: Insights from a pilot study

Chow NK, Ghani NA, Zamri N, Anuar MN

Intractable Rare Dis Res, 2024 May 31;13(2):126-128.
PMID: 38836182 DOI: 10.5582/irdr.2024.01009

In Malaysia, rare diseases affect fewer than 1 in 4,000 people. As of 2020, 491 rare diseases have been recorded in Malaysia, but with limited epidemiological data. As the first study in Malaysia, this retrospective cohort study examined the epidemiology and admission-related healthcare costs for adult rare disease patients in Langkawi. Among the 38 patients, rheumatological rare diseases topped the list (39.5%). The annual admission rate for rare diseases was 0.9%. Langkawi patients had lengthy hospital stays (9.7 days) and a 7.9% mortality rate. 23.7% of patients defaulted to follow-up, and 7.9% were referred to a tertiary hospital due to inadequate equipment or speciality care. Admission costs were Malaysian Ringgits (MYR) 244,598.63 (~US Dollars (USD) 51,280), with 80.2% from medication. The average healthcare resource utilisation was MYR 6,436.81/ patient/year (~USD 1,350/patient/year).
Fulltext Open globe injury in Hospital Universiti Sains Malaysia - A 10-year review

Madhusudhan AP, Evelyn-Tai LM, Zamri N, Adil H, Wan-Hazabbah WH

Int J Ophthalmol, 2014;7(3):486-90.
PMID: 24967196 DOI: 10.3980/j.issn.2222-3959.2014.03.18

To identify the aetiology of open globe injuries at Hospital Universiti Sains Malaysia over a period of 10y and the prognostic factors for visual outcome.
Lipid-based Nanocarriers for Cancer and Tumor Treatment

Ansari MT, Ramlan TA, Jamaluddin NN, Zamri N, Salfi R, Khan A, et al.

Curr Pharm Des, 2020;26(34):4272-4276.
PMID: 32693760 DOI: 10.2174/1381612826666200720235752

Cancer and tumor have been major reasons for numerous deaths in this century across the world. Many strategies have been designed to treat, diagnose, or prevent cancer. The success of chemotherapy largely depends on drug targeting. The advent of nanotechnology has vastly improved drug delivery for targeting and diagnosis. Nevertheless, the accuracy of drug targeting with polymeric nanoparticles has always been questionable. The polymeric nanoparticles synthesized from varieties of lipid-based compounds or combined with vectors, such as liposomes, ethosomes, and transfersomes, may allow the drug to overcome the issue of resistance to drug absorption in biological membranes. The combined effects of lipid-based nanocarriers are known to improve the efficacy and accuracy of polymeric nanoparticles. The present review explores the application of lipid based nanocarriers in the treatment and diagnosis of cancer A special focus is given to the use of lipid-based nanocarriers in the treatment, diagnosis, and mitigation of cancer located in blood, brain, lung, and colon. The treatment of these cancers has always been questionable as the chances of relapse are very high. The review encompasses the use of lipid-based nanocarriers in targeting tissue-specific cancer cells.
Fulltext Knowledge, attitude, perception of Muslim parents towards vaccination in Malaysia

Ansari MT, Jamaluddin NN, Ramlan TA, Zamri N, Majeed S, Badgujar V, et al.

Hum Vaccin Immunother, 2021 03 04;17(3):785-790.
PMID: 32838636 DOI: 10.1080/21645515.2020.1800325

Malaysia is a predominant Muslim country and the recent surge in vaccine-preventable disease enticed us to conduct a survey to measure the Knowledge, Attitude and Perception of Muslim parents toward vaccination process. The data were collected under four segments such as demography, Knowledge, Attitude and Perception. The questionnaire had high internal consistency (0.823) for Cronbach's alpha. The sociodemographic determinants such as marital status (OR = 1.12; 0.91-1.38;p
Usnic acid as potential inhibitors of BCL2 and P13K protein through network pharmacology-based analysis, molecular docking and molecular dynamic simulation

Wong KKV, Roney M, Uddin N, Imran S, Gazali AM, Zamri N, et al.

J Biomol Struct Dyn, 2023;41(23):13632-13645.
PMID: 36794726 DOI: 10.1080/07391102.2023.2178506

Usnic acid (UA) lately piqued the interest of researchers for its extraordinary biological characteristics, including anticancer activity. Here, the mechanism was clarified through network pharmacology,molecular docking and molecular dynamic simulation. Sixteen proteins were selected through network pharmacology study as they are probable to interact with UA. Out of these proteins, 13 were filtered from PPI network analysis based on their significance of interactions (p
Cellulose Supported Pd(II) Complex Catalyzed Carbon-Carbon Bonds Formation

Sarkar SM, Rashid SS, Karim KMR, Mustapha SNH, Lian YM, Zamri N, et al.

J Nanosci Nanotechnol, 2019 05 01;19(5):2856-2861.
PMID: 30501791 DOI: 10.1166/jnn.2019.16289

Corn-cobs are an agro-industrial waste and composed of cellulose mostly. In this study cellulose was isolated from the waste corn-cobs and modified to polymeric hydroxamic acid palladium complex 1 and characterized by using a variety of spectroscopic methods such as field emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM), X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and inductively coupled plasma atomic emission spectroscopy (ICP-AES). The complex 1 exhibited high catalytic activity towards Suzuki and Heck coupling reactions of activated and deactivated aryl halides to give the respective coupling products with high yield. Moreover, the complex 1 was recovered and recycled five times with no considerable loss of catalytic overall performance.
Fulltext Assessment of Potential Risk Factors and Skin Ultrasound Presentation Associated with Breast Cancer-Related Lymphedema in Long-Term Breast Cancer Survivors

Yusof KM, Avery-Kiejda KA, Ahmad Suhaimi S, Ahmad Zamri N, Rusli MEF, Mahmud R, et al.

Diagnostics (Basel), 2021 Jul 21;11(8).
PMID: 34441238 DOI: 10.3390/diagnostics11081303

Breast cancer has been reported to have the highest survival rate among various cancers. However, breast cancer survivors face several challenges following breast cancer treatment including breast cancer-related lymphedema (BCRL), sexual dysfunction, and psychological distress. This study aimed to investigate the potential risk factors of BCRL in long term breast cancer survivors. A total of 160 female breast cancer subjects were recruited on a voluntary basis and arm lymphedema was assessed through self-reporting of diagnosis, arm circumference measurement, and ultrasound examination. A total of 33/160 or 20.5% of the women developed BCRL with significantly higher scores for upper extremity disability (37.14 ± 18.90 vs. 20.08 ± 15.29, p < 0.001) and a lower score for quality of life (103.91 ± 21.80 vs. 115.49 ± 16.80, p = 0.009) as compared to non-lymphedema cases. Univariate analysis revealed that multiple surgeries (OR = 5.70, 95% CI: 1.21-26.8, p < 0.001), axillary lymph nodes excision (>10) (OR = 2.83, 95% CI: 0.94-8.11, p = 0.047), being overweight (≥25 kg/m2) (OR = 2.57, 95% CI: 1.04 - 6.38, p = 0.036), received fewer post-surgery rehabilitation treatment (OR = 2.37, 95% CI: 1.05-5.39, p = 0.036) and hypertension (OR = 2.38, 95% CI: 1.01-5.62, p = 0.043) were associated with an increased risk of BCRL. Meanwhile, multivariate analysis showed that multiple surgeries remained significant and elevated the likelihood of BCRL (OR = 5.83, 95% CI: 1.14-29.78, p = 0.034). Arm swelling was more prominent in the forearm area demonstrated by the highest difference of arm circumference measurement when compared to the upper arm (2.07 ± 2.48 vs. 1.34 ± 1.91 cm, p < 0.001). The total of skinfold thickness of the affected forearm was also significantly higher than the unaffected arms (p < 0.05) as evidenced by the ultrasound examination. The continuous search for risk factors in specific populations may facilitate the development of a standardized method to reduce the occurrence of BCRL and provide better management for breast cancer patients.