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Health-related quality of life in Malaysian gastrointestinal cancer patients and their family caregivers-a comparison study

Abdullah NN, Idris IB, Shamsuddin K, Abdullah NMA

Support Care Cancer, 2020 Apr;28(4):1891-1899.
PMID: 31359181 DOI: 10.1007/s00520-019-05007-5

PURPOSE: Gastrointestinal (GI) cancer has emerged as a major health problem. Cancer patients receive informal care from their families beyond formal care. There has been little evidence showing how the health-related quality of life (HRQOL) of the caregivers differs from that of the GI patients in Malaysia. A cross-sectional study was conducted in three referral hospitals in Malaysia. The objectives of this study were to determine the HRQOL of GI cancer patients and their family caregivers, and assess whether there is any significant relationship between the demographic factors, and the physical component summary (PCS) and mental component summary (MCS) scores for patients and caregivers.
METHODS: A total of 323 dyads of GI cancer patients and their caregivers completed the Medical Outcomes Study 12-item Short Form (MOS SF-12) questionnaire to measure their HRQOL during face-to-face interviews. The analyses were performed using SF-12 scoring software to compute PCS and MCS scores (HRQOL parameters). The independent t test, one-way ANOVA, and the Pearson correlation test were conducted to determine the demographic factors related to the HRQOL of the dyads.
RESULTS: The caregivers had higher scores in all domains for the SF-12 than the patients. There were significant differences found in the MCS scores of the patients according to ethnicity, origin of cancer, duration of cancer, and surgery. None of these factors had a significant relationship with the caregivers' HRQOL.
CONCLUSION: Caregivers had better HRQOL than cancer patients. Early intervention for cancer patients in the form of counselling and personalised pain management may enhance the HRQOL of patients.
Fulltext Metaplastic breast carcinoma with upper limb gangrene

Rajan R, Abdullah N, Abdullah NMA, Mohd Kassim AY

Breast Cancer (Dove Med Press), 2017;9:297-299.
PMID: 28496362 DOI: 10.2147/BCTT.S126909

Metaplastic breast carcinomas (MBCs) are rapidly growing tumors with histological heterogeneity, and triple negative receptor status. The aim of this case report is to highlight a case of advanced MBC with axillary artery infiltration leading to gangrene of the ipsilateral upper limb, in a young woman.
Health-Related Quality of Life (HRQOL) of Gastrointestinal Cancer Caregivers: The Impact of Caregiving

Abdullah NN, Idris IB, Shamsuddin K, Abdullah NMA

Asian Pac J Cancer Prev, 2019 Apr 29;20(4):1191-1197.
PMID: 31030494

Objective: This study examined the quality of life (QOL) of caregivers for gastrointestinal (GI) cancer patients, and associated factors. Methods: A cross-sectional study was conducted at three referral hospitals in Klang Valley, Malaysia. A total of 323 pairs of patients and caregivers from the oncology units of these hospitals completed questionnaires in Malay. The QOL of caregivers was measured using The Malay Caregiver Quality of Life questionnaire. The independent variables were caregiver and patient factors, care-related factors, the Caregiver Strain Index-Malay, and the Multidimensional Scale of Perceived Social Support-Malay. Simple and multiple linear regression analyses were performed to determine the factors associated with the QOL. Variables with p < 0.05 were considered significant in the multiple analyses. Results: Female caregivers were 68.1% of the total, and 46.4% caregivers were spouses to cancer patients. Their mean age was 44.50 (13.29) years old. About 51.7% were of Malay ethnicity. The mean score for QOL was 80.17 (21.58). Being a male caregiver (beta = 5.165, p = 0.011) and of Indian ethnicity (beta = -9.163, p = 0.001) were strongly associated with caregiver QOL. Male patients contributed higher QOL scores for the caregivers compared to female patients. There was an inverse relationship among caregiving strain, duration of caregiving, and caregiver QOL. Conclusion: The identification of factors that affect QOL will allow healthcare providers to develop appropriate interventions. It is important that caregivers be in good health so as not to compromise the care they provide to their patients.
Fulltext Extracellular Vesicle-derived circular RNAs confers chemoresistance in Colorectal cancer

Hon KW, Ab-Mutalib NS, Abdullah NMA, Jamal R, Abu N

Sci Rep, 2019 Nov 11;9(1):16497.
PMID: 31712601 DOI: 10.1038/s41598-019-53063-y

Chemo-resistance is associated with poor prognosis in colorectal cancer (CRC), with the absence of early biomarker. Exosomes are microvesicles released by body cells for intercellular communication. Circular RNAs (circRNAs) are non-coding RNAs with covalently closed loops and enriched in exosomes. Crosstalk between circRNAs in exosomes and chemo-resistance in CRC remains unknown. This research aims to identify exosomal circRNAs associated with FOLFOX-resistance in CRC. FOLFOX-resistant HCT116 CRC cells (HCT116-R) were generated from parental HCT116 cells (HCT116-P) using periodic drug induction. Exosomes were characterized using transmission electron microscopy (TEM), Zetasizer and Western blot. Our exosomes were translucent cup-shaped structures under TEM with differential expression of TSG101, CD9, and CD63. We performed circRNAs microarray using exosomal RNAs from HCT116-R and HCT116-P cells. We validated our microarray data using serum samples. We performed drug sensitivity assay and cell cycle analysis to characterize selected circRNA after siRNA-knockdown. Using fold change >2 and p