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Al Akl NS, Khalifa O, Habibullah M, Arredouani A. Salivary α-amylase activity is associated with cardiometabolic and inflammatory biomarkers in overweight/obese, non-diabetic Qatari women. Front Endocrinol (Lausanne) 2024; 15:1348853. [PMID: 38562410 PMCID: PMC10982335 DOI: 10.3389/fendo.2024.1348853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Accepted: 02/19/2024] [Indexed: 04/04/2024] Open
Abstract
Introduction Obesity, prevalent in approximately 80% of Qatar's adult population, increases the risk of complications like type 2 diabetes and cardiovascular diseases. Predictive biomarkers are crucial for preventive strategies. Salivary α-amylase activity (sAAa) inversely correlates with obesity and insulin resistance in adults and children. However, the connection between sAAa and cardiometabolic risk factors or chronic low-grade inflammation markers remains unclear. This study explores the association between serum sAAa and adiposity markers related to cardiovascular diseases, as well as markers indicative of chronic low-grade inflammation. Methods Serum samples and clinical data of 1500 adult, non-diabetic, Overweight/Obese participants were obtained from Qatar Biobank (QBB). We quantified sAAa and C reactive protein (CRP) levels with an autoanalyzer. Cytokines, adipokines, and adiponectin of a subset of 228 samples were quantified using a bead-based multiplex assay. The associations between the sAAa and the adiposity indices and low-grade inflammatory protein CRP and multiple cytokines were assessed using Pearson's correlation and adjusted linear regression. Results The mean age of the participants was 36 ± 10 years for both sexes of which 76.6% are women. Our analysis revealed a significant linear association between sAAa and adiposity-associated biomarkers, including body mass index β -0.032 [95% CI -0.049 to -0.05], waist circumference β -0.05 [95% CI -0.09 to -0.02], hip circumference β -0.052 [95% CI -0.087 to -0.017], and HDL β 0.002 [95% CI 0.001 to 0.004], albeit only in women. Additionally, sAAa demonstrated a significant positive association with adiponectin β 0.007 [95% CI 0.001 to 0.01]while concurrently displaying significant negative associations with CRP β -0.02 [95% CI -0.044 to -0.0001], TNF-α β -0.105 [95% CI -0.207 to -0.004], IL-6 β [95% CI -0.39 -0.75 to -0.04], and ghrelin β -5.95 [95% CI -11.71 to -0.20], specifically within the female population. Conclusion Our findings delineate significant associations between sAAa and markers indicative of cardiovascular disease risk and inflammation among overweight/obese adult Qatari females. Subsequent investigations are warranted to elucidate the nuances of these gender-specific associations comprehensively.
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Affiliation(s)
- Neyla S. Al Akl
- Diabetes Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
| | - Olfa Khalifa
- Diabetes Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
| | | | - Abdelilah Arredouani
- Diabetes Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
- College of Health and Life Sciences, Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
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Habibullah M, Jemmieh K, Ouda A, Haider MZ, Malki MI, Elzouki AN. Metabolic-associated fatty liver disease: a selective review of pathogenesis, diagnostic approaches, and therapeutic strategies. Front Med (Lausanne) 2024; 11:1291501. [PMID: 38323033 PMCID: PMC10845138 DOI: 10.3389/fmed.2024.1291501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 01/05/2024] [Indexed: 02/08/2024] Open
Abstract
Background Metabolic associated fatty liver disease (MAFLD) is a novel terminology introduced in 2020 to provide a more accurate description of fatty liver disease associated with metabolic dysfunction. It replaces the outdated term nonalcoholic fatty liver disease (NAFLD) and aims to improve diagnostic criteria and tailored treatment strategies for the disease. NAFLD, the most prevalent liver disease in western industrialized nations, has been steadily increasing in prevalence and is associated with serious complications such as cirrhosis and hepatocellular carcinoma. It is also linked to insulin resistance syndrome and cardiovascular diseases. However, current studies on NAFLD have limitations in meeting necessary histological endpoints. Objective This literature review aims to consolidate recent knowledge and discoveries concerning MAFLD, integrating the diverse aspects of the disease. Specifically, it focuses on analyzing the diagnostic criteria for MAFLD, differentiating it from NAFLD and alcoholic fatty liver disease (AFLD), and exploring the epidemiology, clinical manifestations, pathogenesis, and management approaches associated with MAFLD. The review also explores the associations between MAFLD and other conditions. It discusses the heightened mortality risk associated with MAFLD and its link to chronic kidney disease (CKD), showing that MAFLD exhibits enhanced diagnostic accuracy for identifying patients with CKD compared to NAFLD. The association between MAFLD and incident/prevalent CKD is supported by cohort studies and meta-analyses. Conclusion This literature review highlights the importance of MAFLD as a distinct terminology for fatty liver disease associated with metabolic dysfunction. The review provides insights into the diagnostic criteria, associations with CKD, and management approaches for MAFLD. Further research is needed to develop more accurate diagnostic tools for advanced fibrosis in MAFLD and to explore the underlying mechanisms linking MAFLD with other conditions. This review serves as a valuable resource for researchers and healthcare professionals seeking a comprehensive understanding of MAFLD.
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Affiliation(s)
| | - Khaleed Jemmieh
- College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Amr Ouda
- College of Medicine, QU Health, Qatar University, Doha, Qatar
| | | | | | - Abdel-Naser Elzouki
- College of Medicine, QU Health, Qatar University, Doha, Qatar
- Internal Medicine Department, Hamad General Hospital, Doha, Qatar
- Weill Cornell Medical Qatar, Doha, Qatar
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Chivese T, Matizanadzo JT, Musa OAH, Hindy G, Furuya-Kanamori L, Islam N, Al-Shebly R, Shalaby R, Habibullah M, Al-Marwani TA, Hourani RF, Nawaz AD, Haider MZ, Emara MM, Cyprian F, Doi SAR. The prevalence of adaptive immunity to COVID-19 and reinfection after recovery - a comprehensive systematic review and meta-analysis. Pathog Glob Health 2022; 116:269-281. [PMID: 35099367 PMCID: PMC9248963 DOI: 10.1080/20477724.2022.2029301] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
This study aims to estimate the prevalence and longevity of detectable SARS-CoV-2 antibodies and T and B memory cells after recovery. In addition, the prevalence of COVID-19 reinfection and the preventive efficacy of previous infection with SARS-CoV-2 were investigated. A synthesis of existing research was conducted. The Cochrane Library, the China Academic Journals Full Text Database, PubMed, and Scopus, and preprint servers were searched for studies conducted between 1 January 2020 to 1 April 2021. Included studies were assessed for methodological quality and pooled estimates of relevant outcomes were obtained in a meta-analysis using a bias adjusted synthesis method. Proportions were synthesized with the Freeman-Tukey double arcsine transformation and binary outcomes using the odds ratio (OR). Heterogeneity was assessed using the I2 and Cochran's Q statistics and publication bias was assessed using Doi plots. Fifty-four studies from 18 countries, with around 12,000,000 individuals, followed up to 8 months after recovery, were included. At 6-8 months after recovery, the prevalence of SARS-CoV-2 specific immunological memory remained high; IgG - 90.4% (95%CI 72.2-99.9, I2 = 89.0%), CD4+ - 91.7% (95%CI 78.2-97.1y), and memory B cells 80.6% (95%CI 65.0-90.2) and the pooled prevalence of reinfection was 0.2% (95%CI 0.0-0.7, I2 = 98.8). Individuals previously infected with SARS-CoV-2 had an 81% reduction in odds of a reinfection (OR 0.19, 95% CI 0.1-0.3, I2 = 90.5%). Around 90% of recovered individuals had evidence of immunological memory to SARS-CoV-2, at 6-8 months after recovery and had a low risk of reinfection.RegistrationPROSPERO: CRD42020201234.
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Affiliation(s)
- Tawanda Chivese
- Department of Population Medicine, College of Medicine, Qu Health, Qatar University, Doha, Qatar,CONTACT Tawanda Chivese ; Department of Population Medicine, College of Medicine, Qu Health, Qatar University, Doha, Qatar
| | - Joshua T. Matizanadzo
- Department of Public Health and Primary Care, Brighton and Sussex Medical School, UK
| | - Omran A. H. Musa
- Department of Population Medicine, College of Medicine, Qu Health, Qatar University, Doha, Qatar
| | - George Hindy
- Department of Population Medicine, College of Medicine, Qu Health, Qatar University, Doha, Qatar
| | - Luis Furuya-Kanamori
- UQ Centre for Clinical Research, The University of Queensland, Herston, Australia
| | - Nazmul Islam
- Department of Public Health, Qu Health, Qatar University, Doha, Qatar
| | - Rafal Al-Shebly
- Department of Population Medicine, College of Medicine, Qu Health, Qatar University, Doha, Qatar
| | - Rana Shalaby
- Department of Population Medicine, College of Medicine, Qu Health, Qatar University, Doha, Qatar
| | - Mohammad Habibullah
- Department of Population Medicine, College of Medicine, Qu Health, Qatar University, Doha, Qatar
| | - Talal A. Al-Marwani
- Department of Population Medicine, College of Medicine, Qu Health, Qatar University, Doha, Qatar
| | - Rizeq F. Hourani
- Department of Population Medicine, College of Medicine, Qu Health, Qatar University, Doha, Qatar
| | - Ahmed D. Nawaz
- Department of Population Medicine, College of Medicine, Qu Health, Qatar University, Doha, Qatar
| | - Mohammad Z. Haider
- Department of Population Medicine, College of Medicine, Qu Health, Qatar University, Doha, Qatar
| | - Mohamed M. Emara
- Immunology Section, Basic Medical Sciences Department, College of Medicine, Qu Health, Qatar University, Doha, Qatar,Microbiology Section, Biomedical and Pharmaceutical Research Unit, Qu Health, Qatar University, Doha, Qatar
| | - Farhan Cyprian
- Immunology Section, Basic Medical Sciences Department, College of Medicine, Qu Health, Qatar University, Doha, Qatar
| | - Suhail A. R. Doi
- Department of Population Medicine, College of Medicine, Qu Health, Qatar University, Doha, Qatar
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Habibullah M, Sarkar S, Islam MM, Ahmed KU, Rahman MZ, Awad MF, ElSayed AI, Mansour E, Hossain MS. Assessing the Response of Diverse Sesame Genotypes to Waterlogging Durations at Different Plant Growth Stages. Plants (Basel) 2021; 10:plants10112294. [PMID: 34834656 PMCID: PMC8618815 DOI: 10.3390/plants10112294] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 09/21/2021] [Accepted: 10/18/2021] [Indexed: 05/15/2023]
Abstract
Sesame is sensitive to waterlogging, and its growth is devastatingly impacted under excess moisture conditions. Thus, waterlogging tolerance is crucial to alleviate yield constraints, particularly under expected climate change. In this study, 119 diverse sesame genotypes were screened for their tolerance to 12, 24, 48, and 72 h of waterlogging relative to non-waterlogged conditions. All plants died under 72 h of waterlogging, while 13.45%, 31.93%, and 45.38% of genotypes survived at 48, 24, and 12 h, respectively. Based on the seedling parameters and waterlogging tolerance coefficients, genotypes BD-7008 and BD-6985 exhibited the highest tolerance to waterlogging, while BD-6996 and JP-01811 were the most sensitive ones. The responses of these four genotypes to waterlogged conditions were assessed at different plant growth stages-30, 40, and 50 days after sowing (DAS)-versus normal conditions. Waterlogging, particularly when it occurred within 30 DAS, destructively affected the physiological and morphological characteristics, which was reflected in the growth and yield attributes. Genotype BD-7008, followed by BD-6985, exhibited the highest chlorophyll and proline contents as well as enzymatic antioxidant activities, including superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT). These biochemical and physiological adjustments ameliorated the adverse effects of waterlogging, resulting in higher yields for both genotypes. Conversely, JP-01811 presented the lowest chlorophyll and proline contents as well as enzymatic antioxidant activities, resulting in the poorest growth and seed yield.
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Affiliation(s)
- Mohammad Habibullah
- Department of Agricultural Botany, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka 1207, Bangladesh; (M.H.); (S.S.); (M.M.I.); (K.U.A.)
- Syngenta Bangladesh Limited, Green Rowshan Ara Tower (5th & 6th Floor), 55 Satmasjid Road, Dhanmondi, Dhaka 1205, Bangladesh
| | - Shahnaz Sarkar
- Department of Agricultural Botany, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka 1207, Bangladesh; (M.H.); (S.S.); (M.M.I.); (K.U.A.)
| | - Mohammad Mahbub Islam
- Department of Agricultural Botany, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka 1207, Bangladesh; (M.H.); (S.S.); (M.M.I.); (K.U.A.)
| | - Kamal Uddin Ahmed
- Department of Agricultural Botany, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka 1207, Bangladesh; (M.H.); (S.S.); (M.M.I.); (K.U.A.)
| | - Md. Zillur Rahman
- Department of Agronomy and Haor Agriculture, Sylhet Agricultural University, Sylhet 3100, Bangladesh;
| | - Mohamed F. Awad
- Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Abdelaleim I. ElSayed
- Department of Biochemistry, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
- Correspondence: (A.I.E.); (E.M.); (M.S.H.)
| | - Elsayed Mansour
- Department of Crop Science, Faculty of Agriculture, Zagazig University, Zagazig 44519, Egypt
- Correspondence: (A.I.E.); (E.M.); (M.S.H.)
| | - Md. Sazzad Hossain
- Department of Agronomy and Haor Agriculture, Sylhet Agricultural University, Sylhet 3100, Bangladesh;
- Correspondence: (A.I.E.); (E.M.); (M.S.H.)
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Mondal MK, Jahan S, Yeasmeen S, Haque AF, Habibullah M, Hasan M, Banik D. Demographic and Clinical Profile of COVID-19 ICU Patients of Bangabandhu Sheikh Mujib Medical University, Bangladesh. Mymensingh Med J 2021; 30:1117-1123. [PMID: 34605485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Corona viruses are a group of RNA viruses that cause infection in humans and animals. In human Corona viruses cause respiratory tract infections ranging from mild to critical illness. Corona virus disease 2019 (COVID-19) is caused by strain of severe acute respiratory syndrome corona virus 2 (SARS-CoV-2). The disease was first identified in Wuhan city, of China, in December 2019 and since spread all around the world. In Bangladesh first case has been declared by Institute of Epidemiology, Disease Control and Research (IEDCR) in 8th March, 2020 and first death on 18th march in an ICU and by 13th December total 489,178 cases and 7,020 deaths occurred in this country. The main objective of this study was to determine the Demographic and Clinical Profile of COVID-19 ICU patients in Bangladesh. This retrospective descriptive study on clinical profile along with short term treatment outcomes of COVID-19 patients conducted from COVID-19 dedicated Intensive care unit of Bangabandhu Sheikh Mujib Medical University (BSMMU), Bangladesh during July 2020 to November 2020. Total 300 ICU patients was included in this study. The age range of the patients was from 15 to 91 years. The highest percentage of patients about 49.00%, which was 147 patients were belonged to 61-75 years age group. The patients mean age was 62.80 years. Regarding gender distribution, among those 300 patients; 77.00% which is 231 were male and only 23.00% which is 69 were female. Patients admitted with symptoms like, respiratory distress/shortness of breath (100.00%), persistent worsening cough (60.00%), fatigue (55.00%) and fever (40.00%). Patients were also present with sore throat (35.00%), rhinorrhea (30.00%), altered mental status (20.00%), diarrhoea (10.00%) and chest pain (5.00%). Regarding co-morbidities, around half of the patients were suffering from Diabetes (60.22%) and Hypertension (53.44%). Significant amount of patients were also suffering from chronic obstructive pulmonary disease (27.00%) and bronchial asthma (16.78%). Ischemic heart disease was (10.33%), chronic kidney disease (10.89%), hypothyroidism (9.78%) and multiple co-morbidities (15.12%) at the time of admission. Mortality rate in this case were 71.00% and most of the death cases were in between 61 to 75 years of age group (40.00%). After improvement 27.00% patients were transferred to cabin for further management. We could discharge to home directly only 2.00% of patients.
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Affiliation(s)
- M K Mondal
- Dr Montosh Kumar Mondal, Associate Professor, Department of Anaesthesia, Analgesia and Intensive Care Medicine, Bangabandhu Sheikh Mujib Medical University (BSMMU), Bangladesh; E-mail:
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Mohebbian M, Walia E, Habibullah M, Stapleton S, Wahid KA. Classifying MRI motion severity using a stacked ensemble approach. Magn Reson Imaging 2020; 75:107-115. [PMID: 33148512 DOI: 10.1016/j.mri.2020.10.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 10/23/2022]
Abstract
Motion artifacts are a common occurrence in Magnetic Resonance Imaging exam. Motion during acquisition has a profound impact on workflow efficiency, often requiring a repeat of sequences. Furthermore, motion artifacts may escape notice by technologists, only to be revealed at the time of reading by the radiologists, affecting their diagnostic quality. There is a paucity of clinical tools to identify and quantitatively assess the severity of motion artifacts in MRI. An image with subtle motion may still have diagnostic value, while severe motion may be uninterpretable by radiologists and requires the exam to be repeated. Therefore, a tool for the automatic identification of motion artifacts would aid in maintaining diagnostic quality, while potentially driving workflow efficiencies. Here we aim to quantify the severity of motion artifacts from MRI images using deep learning. Impact of subject movement parameters like displacement and rotation on image quality is also studied. A state-of-the-art, stacked ensemble model was developed to classify motion artifacts into five levels (no motion, slight, mild, moderate and severe) in brain scans. The stacked ensemble model is able to robustly predict rigid-body motion severity across different acquisition parameters, including T1-weighted and T2-weighted slices acquired in different anatomical planes. The ensemble model with XGBoost metalearner achieves 91.6% accuracy, 94.8% area under the curve, 90% Cohen's Kappa, and is observed to be more accurate and robust than the individual base learners.
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Affiliation(s)
- MohammadReza Mohebbian
- Department of Electrical and Computer Engineering, University of Saskatchewan S7N 5A9, Saskatoon, Saskatchewan, Canada.
| | - Ekta Walia
- Advanced Innovation, Enterprise Operational Informatics, Philips HealthCare, 281 Hillmount Road, L6C2S3, Markham, Ontario, Canada
| | - Mohammad Habibullah
- Department of Electrical and Computer Engineering, University of Saskatchewan S7N 5A9, Saskatoon, Saskatchewan, Canada
| | - Shawn Stapleton
- Advanced Innovation, Enterprise Operational Informatics, Philips HealthCare, North America
| | - Khan A Wahid
- Department of Electrical and Computer Engineering, University of Saskatchewan S7N 5A9, Saskatoon, Saskatchewan, Canada
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Uddin MA, Sanaullah A, Yeasmin F, Habibullah M, Iwakabe K, Rahman IM. Temperature-induced variations in the thermophysical properties of the binary mixtures of heptan-1-ol with cumene, or mesitylene: An experimental and theoretical approach. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.111900] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Islam MR, Wadud SA, Akhanda AH, Rahman MS, Habibullah M, Kabir MS, Rahman MH, Motaleb MA, Islam MM, Haque M, Chowdhury FQ. Outcome of Transcanalicular Endolaser and External Dacryocystorhinostomy in Chronic Dacryocystitis. Mymensingh Med J 2018; 27:673-678. [PMID: 30487479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Nasolacrimal duct obstruction due to chronic dacryocystitis is the most common cause of epiphora. Dacryocystorhinostomy (DCR) is the treatment of choice for chronic dacryocystitis. This can be carried out by external, endoscopic and endolaser surgical approach. Though external DCR is still a gold standard and most popular method, the latest procedure of less traumatic DCR is transcanalicular approach. The study was done to evaluate the outcome of Transcanalicular Endolaser DCR regarding epiphora and surgery related complications by measuring anatomical success rate (patency assessed by irrigation), functional success rate (symptom free) and complication rate and to compare with External DCR (Ext-DCR). This prospective interventional study was conducted from October 2011 to September 2012 in Ophthalmology department of Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh. Total 62 patients included in the study as per inclusion and exclusion criteria of them 31 for TCEL-DCR and 31 for Ext-DCR. But during follow-up one patient was dropped from each group and finally outcome of 30 patients analyzed in each group. Mean age of the patients TCEL-DCR was 38.3±11.54 and of Ext-DCR was 38.4±14.01. In both groups females were the most sufferer (female: male = 1.5: 1). Functional and anatomical success rate of TCEL-DCR showed 93.3% and 83.3% after 3 months; 83.3% and 76.7% after 6 months respectively. Statistically non-significant difference was observed about success rate in comparison between groups. Per-operative complications were pain excessive bleeding. In TCEL-DCR pain complained 13.3% and excessive bleeding occurred in 3.3%. Where as in Ext-DCR pain complained 16.7% and excessive bleeding occurred in 20%; difference was statistically significant (p=0.001). Post-operative complications were bleeding and scar formation. Bleeding occurred in TCEL-DCR 6.67% and in Ext-DCR 10%. So, TCEL-DCR could be an alternative option for the treatment of chronic dacryocystitis especially for those patients who are conscious about scar formation and afraid about Ext-DCR technique.
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Affiliation(s)
- M R Islam
- Dr Muhammad Rafiqul Islam, Junior Consultant, Department of Ophthalmology, Mymensingh Medical College Hospital (MMCH), Mymensingh, Bangladesh
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Rashed MM, Masjuki HH, Kalam MA, Alabdulkarem A, Imdadul HK, Rashedul HK, Shahin MM, Habibullah M. A comprehensive study on the improvement of oxidation stability and NOx emission levels by antioxidant addition to biodiesel blends in a light-duty diesel engine. RSC Adv 2016. [DOI: 10.1039/c5ra26271b] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Moringa oleifera oil, a non-edible biodiesel feedstock with high unsaturated fatty acid content, was used in this study.
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Affiliation(s)
- M. M. Rashed
- Center for Energy Science
- Dept. of Mechanical Engineering
- Faculty of Engineering
- University of Malaya
- 50603 Kuala Lumpur
| | - H. H. Masjuki
- Center for Energy Science
- Dept. of Mechanical Engineering
- Faculty of Engineering
- University of Malaya
- 50603 Kuala Lumpur
| | - M. A. Kalam
- Center for Energy Science
- Dept. of Mechanical Engineering
- Faculty of Engineering
- University of Malaya
- 50603 Kuala Lumpur
| | - Abdullah Alabdulkarem
- Mechanical Engineering Department
- College of Engineering
- King Saud University
- 11421 Riyadh
- Saudi Arabia
| | - H. K. Imdadul
- Center for Energy Science
- Dept. of Mechanical Engineering
- Faculty of Engineering
- University of Malaya
- 50603 Kuala Lumpur
| | - H. K. Rashedul
- Center for Energy Science
- Dept. of Mechanical Engineering
- Faculty of Engineering
- University of Malaya
- 50603 Kuala Lumpur
| | - M. M. Shahin
- Dept. of Mechanical Engineering
- Dhaka University of Engineering and Technology
- Gazipur-1700
- Bangladesh
| | - M. Habibullah
- Center for Energy Science
- Dept. of Mechanical Engineering
- Faculty of Engineering
- University of Malaya
- 50603 Kuala Lumpur
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Banu LM, Begum D, Rahman SA, Mollah FH, Ferdousi S, Habibullah M. Correlation of hyperinsulinemia with hyperandrogenemia in primary infertile women with polycystic ovary syndrome. Mymensingh Med J 2015; 24:127-132. [PMID: 25725679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Polycystic ovary syndrome (PCOS) is the most common endocrinopathy among women of the reproductive age and is the most common form of anovulatory infertility. Hyperinsulinemia and hyperandrogenemia are the characteristic features of PCOS, but the association between hyperinsulinemia and hyperandrogenemia is not well established. To find out any causal association between Hyperinsulinemia and hyperandrogenemia, a retrospective study was done on primary infertile women suffering from PCOS in the department of Biochemistry, Bangabandhu Sheikh Mujib Medical University. A total of 80 subjects were selected, among them 60 were cases and 20 were controls. Depending on their body mass index, the cases were divide into two groups, obese (n=30) and non-obese (n=30). Age and BMI matched controls were taken for both age groups. Observations derived from the study suggested that hyperinsulinemia and hyperandrogenemia are characteristic features of PCOS but significant correlation was not found between hyperinsulinemia and hyperandrogenemia. However, we cannot negate any possible association between the two and thereby we recommend further study to be done with a larger sample size.
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Affiliation(s)
- L M Banu
- Dr Laila Mahzabeen Banu, Associate Professor, Department of Biochemistry, East-West Medical College, Dhaka, Bangladesh
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Rana MS, Hashem MA, Akhter S, Habibullah M, Islam MH, Biswas RC. Effect of heat stress on carcass and meat quality of indigenous sheep of Bangladesh. ACTA ACUST UNITED AC 2014. [DOI: 10.3329/bjas.v43i2.20717] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The research was conducted to study the effect of heat stress on carcass characteristics and meat quality in indigenous sheep. Nine sheep were divided into three groups which were almost similar in age, sex and weight. Three groups were divided as zero hour (T0), four hours (T4) and eight hours (T8) heat exposure to direct sunlight. During experimental period temperaturehumidity index (THI) value was calculated as 27.09 which indicated T4 and T8 groups were subjected to heat stress condition for at least four hours and eight hours respectively every day. Slaughter weight, body length and heart girth had no significant difference among the treatment groups. Dry matter, ash and ether extract had no significant difference (p>0.05) among the treatment groups but crude protein were increased with the increase of heat stress from T0 to T8 group (p<0.05). Drip loss was increased (p<0.05) in non-exposure group than treated groups but there is no significant result (p>0.05) found in pH and cooking loss. Carcass weight and eye muscle area had no significant difference (p>0.05) among the treatment groups but dressing percentage was decreased with the increase of time in heat treated groups (p<0.01). Significant difference (p<0.05) were found in weight of heart, kidney, lung + trachea and pluck between control and heat treated groups. The significant difference (p>0.05) in empty gut was found in gut with content and gut fill in heat treated groups. It can be concluded that heat stress had significant changes on carcass characteristics and meat quality of indigenous sheep.DOI: http://dx.doi.org/10.3329/bjas.v43i2.20717 Bang. J. Anim. Sci. 2014. 43 (2): 147-153
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Affiliation(s)
- M Kamil
- Department of Pharmacognostic Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - A F Jayaraj
- Department of Pharmacognostic Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - F Ahmad
- Department of Pharmacognostic Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - C Gunasekhar
- Department of Pharmacognostic Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - S Thomas
- Department of Pharmacognostic Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - M Habibullah
- Herbal Clinic, Zayed Complex for Herbal Research and Traditional Medicine, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - K Chan
- Department of Pharmacognostic Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
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Islam MW, Zakaria MNM, Radhakrishnan R, Habibullah M, Chan K. Evaluation of analgesic activity of the aerial parts of Portulaca oleracea V. sativa and its comparison with two related species. J Pharm Pharmacol 2011. [DOI: 10.1111/j.2042-7158.1998.tb02426.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- M W Islam
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - M N M Zakaria
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - R Radhakrishnan
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - M Habibullah
- Herbal Clinic, Zayed Complex for Herbal Research and Traditional Medicine, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - K Chan
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
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14
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Affiliation(s)
- M N M Zakaria
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - M W Islam
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - R Radhakrishnan
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - M Habibullah
- Herbal Clinic, Zayed Complex for Herbal Research and Traditional Medicine, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - K Chan
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
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Li MG, Habibullah M, Chan K. Preliminary results of ethnopharmacological information collected in the United Arab Emirates. J Pharm Pharmacol 2011. [DOI: 10.1111/j.2042-7158.1998.tb02428.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- M G Li
- Zayed Complex for Herbal Research and Traditional Medicine, Abu Dhabi, United Arab Emirates
| | - M Habibullah
- Zayed Complex for Herbal Research and Traditional Medicine, Abu Dhabi, United Arab Emirates
| | - K Chan
- Zayed Complex for Herbal Research and Traditional Medicine, Abu Dhabi, United Arab Emirates
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Affiliation(s)
- R Radhakrishnan
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - M N M Zakaria
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - M W Islam
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - A Ismail
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - M Habibullah
- Herbal Clinic, Zayed Complex for Herbal Research and Traditional Medicine, Ministry of Health, Abu Dhabi, United Arab Emirates
| | - K Chan
- Department of Biomedical Sciences, Ministry of Health, Abu Dhabi, United Arab Emirates
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Habibullah M, Mohiuddin AA. Bardet-Biedl syndrome. Mymensingh Med J 2009; 18:80-83. [PMID: 19182756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
A young boy of 9 years hailing from Fulpur, Mymensingh was admitted in the department of Ophthalmology, Mymensingh Medical College Hospital, Mymensingh, Bangladesh on the 26th November, 2007 with the complaints of dimness of vision of both the eyes and night blindness since birth. The boy suffered poor mental performances with delayed mild stone development. He was apathetic looking and below average IQ with short stature. Visual acuity of this patient recorded 6/60 both the eyes with nystagmus. Fundus examination revealed waxy disc atrophy, arteriolar attenuation and retinal degeneration both the eyes. He had polydactilism, trunkal obesity, hypogenitalism. On the basis of history, clinical examination and relevant investigations the patient was diagnosed as Bardet-Biedl Syndrome.
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Affiliation(s)
- M Habibullah
- Department of Ophthalmology, Mymensingh Medical College and Hospital, Mymensingh, Bangladesh
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Habibullah M, Uddin MS, Islam S. Association of tuberculosis with vasculitis retinae. Mymensingh Med J 2008; 17:129-133. [PMID: 18626445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Retinal vasculitis is one of the common causes of blindness among the young adult in this subcontinent. Causes of retinal vasculitis are variable and it is one of the common ocular manifestations of tuberculosis. This case control study was carried out on 45 patients with retinal vasculitis of different age groups. All the patients were purposively selected from the department of ophthalmology, Bangabandhu Sheikh Mujib Medical University and National Institute of Ophthalmology Dhaka. This study reveals that vasculitis retinae is a disease of younger age group (68.9%). Mean+/-SD age of cases were 31.84+/-10.82 years. It occurs more in male (75.6%) and male female ratio is 3.09:1, single or both eye may involve. Retinal vasculitis occurs more in middle socio-economic status persons (62.2%). It present with floaters (58.9%), hazy media (60%), vitreous haemorrhage (57.8%) and retinal haemorrhage (42.2%). All 45 subjects both cases and control groups were tested with Mantoux test. 18(40%) subjects of cases and 13(28.9%) subjects of control group were found positive Mantoux test. It was observed that the association of tuberculosis with vasculitis retinae is not statistically significant. As tuberculosis is common in this country, further specific and extensive study over a longer period of time is necessary for understanding the role of tuberculosis in retinal vasculitis patients.
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Affiliation(s)
- M Habibullah
- Department of Ophthalmology, Mymensingh Medical College Hospital, Bangladesh
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Chan K, Islam MW, Kamil M, Radhakrishnan R, Zakaria MN, Habibullah M, Attas A. The analgesic and anti-inflammatory effects of Portulaca oleracea L. subsp. Sativa (Haw.) Celak. J Ethnopharmacol 2000; 73:445-451. [PMID: 11090998 DOI: 10.1016/s0378-8741(00)00318-4] [Citation(s) in RCA: 124] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Many ethnic groups have used different species of Portulaca oleracea L., a member of the Family Portulacaceae, as vegetable and also herbal medicine against several diseases for many centuries. A review of the records in both folkloric and scientific literature indicates that Portulaca has many medicinal uses. After our previous preliminary screening of three species of the family for analgesic and anti-inflammatory properties, Portulaca oleracea L. subsp. sativa (Haw.) Celak. (a cultivar) was chosen for further work due to its abundant availability from reliable sources. The 10% ethanolic extract of the aerial parts (dried leaves and stem) showed significant anti-inflammatory and analgesic after intraperitoneal and topical but not oral administration when compared with the synthetic drug, diclofenac sodium as the active control. Results indicate this cultivar species of Portulaca also possesses some of the claimed traditional uses of the wild species in the relief of pain and inflammation.
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Affiliation(s)
- K Chan
- Department of Biomedical Sciences, Zayed Complex for Herbal Research and Traditional Medicine, Ministry of Health, PO Box 29300, Abu Dhabi, United Arab Emirates.
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Kumbhar A, Padhye S, Jitender, Kale R, Habibullah M. Radiation induced lipid peroxidation in liposomes stimulated by ferrous complexes of naturally occurring hydroxyquinones: Relevance to anticancer drug design. J Inorg Biochem 1993. [DOI: 10.1016/0162-0134(93)85418-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Mandal H, Frood DG, Habibullah M, Humeniuk L, Walker S. Dielectric studies of the switch-over mechanism in the principal relaxation process of alkan-1-ols. ACTA ACUST UNITED AC 1989. [DOI: 10.1039/f19898503045] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Hasan SS, Habibullah M. Effect of 60 Co-irradiation on normal and low protein diet fed rat brain. Strahlentherapie 1980; 156:441-5. [PMID: 6158772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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