Displaying publications 41 - 60 of 197 in total

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  1. Fulltext Role of exercise in the management of diabetes mellitus: the global scenario
    Thent ZC, Das S, Henry LJ
    PLoS One, 2013;8(11):e80436.
    PMID: 24236181 DOI: 10.1371/journal.pone.0080436
    Background: Exercise training programs have emerged as a useful therapeutic regimen for the management of type 2 diabetes mellitus (T2DM). Majority of the Western studies highlighted the effective role of exercise in T2DM. Therefore, the main aim was to focus on the extent, type of exercise and its clinical significance in T2DM in order to educate the clinicians from developing countries, especially in Asians.

    Methods: Pubmed, Science Direct, Scopus, ISI Web of Knowledge and Google scholar were searched using the terms "type 2 diabetes mellitus," "type 2 DM," "exercise," and/or "physical activity," and "type 2 diabetes mellitus with exercise." Only clinical or human studies published in English language between 2000 and 2012 were included. Certain criteria were assigned to achieve appropriate results.

    Results: Twenty five studies met the selected criteria. The majority of the studies were randomized controlled trial study design (65%). Most of the aerobic exercise based studies showed a beneficial effect in T2DM. Resistance exercise also proved to have positive effect on T2DM patients. Minimal studies related to other types of exercises such as yoga classes, joba riding and endurance-type exercise were found. On the other hand, United States of America (USA) showed strong interest of exercise management towards T2DM.

    Conclusion: Aerobic exercise is more common in clinical practice compared to resistance exercise in managing T2DM. Treatment of T2DM with exercise training showed promising role in USA. A large number of researches are mandatory in the developing countries for incorporating exercise in the effective management of T2DM.
  2. Fulltext Slipped upper femoral epiphysis: a case of missed diagnosis
    Maj MK, Ar AH, Das S
    Chang Gung Med J, 2011;34(6 Suppl):13-6.
    PMID: 22490452
    A slipped upper femoral epiphysis (SUFE) is a known hip disorder in adolescents in which the proximal femoral epiphysis slips and displaces relative to the metaphysis. We report an obese 12-year-old boy who presented with acute pain in the left hip after a fall. He was otherwise healthy with no prior joint pain. Pelvic radiography was misread twice before a second fall led to a severe SUFE.
  3. Fulltext A detailed microscopic study of the changes in the aorta of experimental model of postmenopausal rats fed with repeatedly heated palm oil
    Adam SK, Das S, Jaarin K
    Int J Exp Pathol, 2009 Jun;90(3):321-7.
    PMID: 19563614 DOI: 10.1111/j.1365-2613.2009.00658.x
    Hypercholesterolaemia, increase in lipid peroxidation and hyperhomocysteinaemia may contribute to the pathogenesis of atherosclerosis. This study was performed to examine the effects of repeatedly heated palm oil mixed with 2% cholesterol diet on atherosclerosis in oestrogen-deficient postmenopausal rats. Ovariectomy causes disruption of tunica intima layer of the rat aorta simulating a postmenopausal condition in females. Twenty-four ovariectomized female Sprague-Dawley rats were divided into four groups. The control group received 2% cholesterol diet without palm oil. A diet with 2% cholesterol content fortified with fresh, once-heated and five-times-heated palm oil was given to the other treatment groups. The rats were sacrificed at the end of 4 months of study and the aortic arch tissue was processed for histomorphometry and electron microscopy. On observation, there was disruption of the intimal layer of the ovariectomized rat aorta. There was no obvious ultrastructural change in the aorta of the rats fed with fresh palm oil. The ultrastructural changes were minimal with once-heated palm oil, in which there was a focal disruption of the endothelial layer. The focal disruption was more pronounced with five-times-heated palm oil. The results of this study show that the ingestion of fresh palm oil may have a protective effect on the aorta but such a protective action may be lost when the palm oil is repeatedly heated. The study may be clinically important for all postmenopausal women who are susceptible to atherosclerosis.
  4. The Burden of Gastrointestinal, Liver, and Pancreatic Diseases: The Global Scenario
    Das S, Mahakkanukrauh P, Ho CC
    Gastroenterology, 2016 Apr;150(4):1045-6.
    PMID: 26930015 DOI: 10.1053/j.gastro.2016.01.036
  5. The Smart Programmable CRISPR Technology: A Next Generation Genome Editing Tool for Investigators
    Chakraborty C, Teoh SL, Das S
    Curr Drug Targets, 2017;18(14):1653-1663.
    PMID: 27231109 DOI: 10.2174/1389450117666160527142321
    BACKGROUND: The present era is fast experiencing rapid innovation in the genome-editing technology. CRISPR Cas9-mediated targeted genetic manipulation is an easy, cost-effective and scalable method. As a result, it can be used for a broad range of targeted genome engineering.

    OBJECTIVE: The main objective of the present review is to highlight the structural signature, classification, its mechanism and application from basic science to medicine and future challenges for this genome editing tool kit.

    RESULTS: The present review provides a brief description of the recent development of CRISPR-Cas9 genome editing technology. We discuss the paradigms shift for this next generation genome editing technology, CRISPR. The CRISPR structural significance, classification and its different applications are also being discussed. We portray the future challenges for this extraordinary genome in vivo editing tool. We also highlight the role of CRISPR genome editing in curing many diseases.

    CONCLUSION: Scientists and researchers are constantly looking one genome editing tool that is competent, simple and low-cost assembly of nucleases. It can target any particular site without any off-target mutations in the genome. The CRISPR-Cas9 has all of the above characteristics. The genome engineering technology may be a strong and inspiring technology meant for the next generation of drug development.

  6. Muscle attachment to the condylar process of mandible: anatomical considerations
    Thent ZC, Das S, Mahakkanukrauh P
    Surg Radiol Anat, 2016 07;38(5):635.
    PMID: 26875077 DOI: 10.1007/s00276-016-1641-x
  7. Fulltext Letter to the editor: Knowledge and Attitude of Nursing Personnel towards Depression in General Hospitals: The Korean Perspective
    Kosai N, Rajan R, Das S
    J Korean Med Sci, 2015 Aug;30(8):1209.
    PMID: 26240503 DOI: 10.3346/jkms.2015.30.8.1209
  8. Methylated MicroRNA Biomarkers for Identifying Ulcerative Colitis-Associated Colorectal Cancers
    Mahakkanukrauh P, Sinthubua A, Das S
    Gastroenterology, 2018 05;154(6):1852.
    PMID: 29621516 DOI: 10.1053/j.gastro.2017.12.048
  9. Emerging Trends On Drug Delivery Strategy of Momordica charantia against Diabetes and its Complications
    Thent ZC, Das S, Zaidun NH
    Curr Drug Deliv, 2018;15(4):453-460.
    PMID: 28545355 DOI: 10.2174/1567201814666170525122224
    BACKGROUND: The incidence of diabetes mellitus has increased drastically over the past few decades. This oxidant-antioxidant imbalance resulting in complication of diabetes mellitus includes macro- and microvascular complications. Resistance to conventional treatment and patient compliance has paved the way to the usage of effective natural products and supplements. Momordica charantia (bitter gourd) is widely consumed in many parts of Malaysia as a vegetable. Momordica charantia (MC) is mainly used in the management of diabetes mellitus.

    OBJECTIVE: The present review discusses the literature concerning the antidiabetic and antioxidant properties of MC focusing on the complication of diabetes mellitus along with its mode of delivery. We found that among the whole part of MC, its fruit extract has been widely studied, therapeutically. The evidence based analysis of the beneficiary effects of MC on the different organs involved in diabetes complication is also highlighted. This review elucidated an essential understanding of MC based drug delivery system in both clinical and experimental studies and appraised the great potential of the protein based MC extract against diabetes mellitus.

    CONCLUSION: The review paper is believed to assist the researchers and medical personnel in treating diabetic associated complications.

  10. Fulltext Gross age-related changes and diseases in human heart valves
    Gumpangseth T, Mahakkanukrauh P, Das S
    Anat Cell Biol, 2019 Mar;52(1):25-33.
    PMID: 30984448 DOI: 10.5115/acb.2019.52.1.25
    Cardiac valves are highly complex structures optimizing their function during the cardiac cycle. They open and close directed by blood flow under different pressure conditions in the dynamic environment in the heart. It is acknowledged that the aging process affects the structure and functions of the heart valves. With regard to morphometry, age-related changes of the heart valve can be found in valve circumference, thickness of the leaflet, luminal area at the sinotubular junction, valve diameter, orifice area, and leaflet size in circumferential and radial direction. In addition, there are differences between male and female hearts in some features. Moreover, there are studies the qualitative and quantitative assessment of histological compositions, echocardiography study to investigate the annular circumference and diameter in the human heart valves related with age. Studies into the detailed anatomy of the changes in heart valves with age are important and the correlation between valve morphology and age may be used as an age indicator. This study reviews the basic anatomical structure of the heart valves, age-related changes of valve morphometry, heart valve diseases, and general treatment of valvular diseases in humans. Detailed knowledge of the anatomical features of the morphology of the human heart valve is useful for any treatments of valve pathology.
  11. Fulltext Development and validation of the malay premature ejaculation diagnostic tool (MAPET): a two-phase study
    Arasalingam, Shamini, Chong, Yew Siong, Hatta Sidi, Ng, Chong Guan, Nik Ruzyanei Nik Jaafar, Marhani Midin, et al.
    International Medical Journal Malaysia, 2018;17(1):37-46.
    MyJurnal
    Introduction: A validated diagnostic questionnaire is needed in the South-East Asia region, particularly in Malaysia to detect Premature Ejaculation (PE). The objective of this study was to determine the linguistic validity of the Malay Premature Ejaculation Diagnostic Tool (MAPET). Materials and Methods: This study was conducted in a teaching hospital. The first phase involved experts’ group discussions to develop the face, content, and factorial validity of the MAPET. The second phase measured the concurrent validity of MAPET. Results: We found that the MAPET has specificity, sensitivity, positive predictive value, and negative predictive value of 79.3%, 92%, 76.7% and 93.1%, respectively in the assessment of PE. The higher score indicates severity of PE. Conclusions: MAPET is a valid self-report instrument for the assessment of PE.
  12. Fulltext Next-Generation Biomarkers in Multiple Myeloma: Understanding the Molecular Basis for Potential Use in Diagnosis and Prognosis
    Soliman AM, Das S, Teoh SL
    Int J Mol Sci, 2021 Jul 13;22(14).
    PMID: 34299097 DOI: 10.3390/ijms22147470
    Multiple myeloma (MM) is considered to be the second most common blood malignancy and it is characterized by abnormal proliferation and an accumulation of malignant plasma cells in the bone marrow. Although the currently utilized markers in the diagnosis and assessment of MM are showing promising results, the incidence and mortality rate of the disease are still high. Therefore, exploring and developing better diagnostic or prognostic biomarkers have drawn global interest. In the present review, we highlight some of the recently reported and investigated novel biomarkers that have great potentials as diagnostic and/or prognostic tools in MM. These biomarkers include angiogenic markers, miRNAs as well as proteomic and immunological biomarkers. Moreover, we present some of the advanced methodologies that could be utilized in the early and competent diagnosis of MM. The present review also focuses on understanding the molecular concepts and pathways involved in these biomarkers in order to validate and efficiently utilize them. The present review may also help in identifying areas of improvement for better diagnosis and superior outcomes of MM.
  13. Letter to the editor related to the article "stress in couples undergoing assisted reproductive technology" published by Tuncay et al
    Ahmad MF, Sidi H, Das S
    Arch Gynecol Obstet, 2021 03;303(3):853-854.
    PMID: 32876742 DOI: 10.1007/s00404-020-05756-3
  14. Re: Cambareri et al.: Do Overweight and Obese Pediatric Stone Formers Have Differences in Metabolic Abnormalities Compared With Normal-weight Stone Formers? (Urology 2017;101:26-30)
    Mahakkanukrauh P, Sinthubua A, Das S
    Urology, 2017 07;105:210.
    PMID: 28412330 DOI: 10.1016/j.urology.2017.03.043
  15. miRNA-regulated cancer stem cells: understanding the property and the role of miRNA in carcinogenesis
    Chakraborty C, Chin KY, Das S
    Tumour Biol., 2016 Oct;37(10):13039-13048.
    PMID: 27468722
    Over the last few years, microRNAs (miRNA)-controlled cancer stem cells have drawn enormous attention. Cancer stem cells are a small population of tumor cells that possess the stem cell property of self-renewal. Recent data shows that miRNA regulates this small population of stem cells. In the present review, we explained different characteristics of cancer stem cells as well as miRNA regulation of self-renewal and differentiation in cancer stem cells. We also described the migration and tumor formation. Finally, we described the different miRNAs that regulate various types of cancer stem cells, such as prostate cancer stem cells, head and neck cancer stem cells, breast cancer stem cells, colorectal cancer stem cells, lung cancer stem cells, gastric cancer stem cells, pancreatic cancer stem cells, etc. Extensive research is needed in order to employ miRNA-based therapeutics to control cancer stem cell population in various cancers in the future.
  16. Therapeutic effect of Vitamin E in preventing bone loss: An evidence-based review
    Nazrun Shuid A, Das S, Mohamed IN
    Int J Vitam Nutr Res, 2019 Nov;89(5-6):357-370.
    PMID: 30856080 DOI: 10.1024/0300-9831/a000566
    The present review explored the anti-inflammatory and immunomodulatory properties of vitamin E, which has protective action against osteoporosis. A systematic review of the literature was conducted to identify the published bone studies on vitamin E. The studies included inflammatory or immunology-related parameters. Medline and Scopus databases were searched for relevant studies published from 2005 till 2015. Research articles published in English and confined to the effect of vitamin E on bone were included. It is pertinent to mention that these studies took into consideration inflammatory or immunology parameters including interleukin (IL)-1, IL-6, receptor activator of nuclear factor kappa-B ligand (RANKL), inducible nitric oxide synthases (iNOS), serum amyloid A (SAA), e-selection and high-sensitivity C-reactive protein (hs-CRP). An extended literature search yielded 127 potentially relevant articles with seven articles meeting the inclusion and exclusion criteria. Another recent article was added with the total number accounting to eight. All these included literature comprised five animal studies, one in-vitro study and two human studies. These studies demonstrated that vitamin E, especially tocotrienol, was able to alleviate IL-1, IL-6, RANKL, iNOS and hs-CRP levels in relation to bone metabolism. In conclusion, vitamin E exerts its anti-osteoporotic actions via its anti-inflammatory and immunomodulatory effects.
  17. Fish Gelatin: Current Nutritional, Medicinal, Tissue Repair Applications and Carrier of Drug Delivery
    Soliman AM, Teoh SL, Das S
    Curr Pharm Des, 2022 Jan 28.
    PMID: 35088658 DOI: 10.2174/1381612828666220128103725
    Gelatin is obtained via partial denaturation of collagen and is extensively used in various industries. The majority of gelatin utilized globally is derived from a mammalian source. Several health and religious concerns associated with porcine/bovine gelatin were reported. Therefore, gelatin from a marine source is widely being investigated for its efficiency and utilization in a variety of applications as a potential substitute for porcine/bovine gelatin. Although fish gelatin is less durable and possesses lower melting and gelling temperatures compared to mammal-derived gelatin, various modifications are being reported to promote its rheological and functional properties to be efficiently employed. The present review describes in detail the current innovative applications of fish gelatin involving the food industry, drug delivery and possible therapeutic applications. Gelatin bioactive molecules may be utilized as carriers for drug delivery. Due to its versatility, gelatin can be used in different carrier systems, such as microparticles, nanoparticles, fibers and hydrogels. The present review also provides a perspective on the other potential pharmaceutical applications of fish gelatin, such as tissue regeneration, antioxidant supplementation, antihypertensive and anticancer treatments.
  18. The effect of physical activity, body mass index and waist circumference on incident diabetes
    Mahakkanukrauh P, Sinthubua A, Das S
    Postgrad Med, 2018 03;130(2):186.
    PMID: 29115878 DOI: 10.1080/00325481.2018.1402657
  19. Fulltext A new method for sex estimation from maxillary suture length in a Thai population
    Sinthubua A, Ruengdit S, Das S, Mahakkanukrauh P
    Anat Cell Biol, 2017 Dec;50(4):261-264.
    PMID: 29354297 DOI: 10.5115/acb.2017.50.4.261
    Sex estimation is one of the crucial procedures in the biological profile identification of human skeletal remains. Knowing sex of unknown case can lead to accurate and appropriate methods for predicting age, stature, ancestry, or even personal identification. Skull is one of the most reliable one among other skeletons and it is usually retained for both archaeological and forensic contexts. Although many morphological features and metric measurements of skull have been studied for sexing, but to the best of our knowledge is no study on maxillary suture length for sex estimation. Therefore, this study aims to develop a new sex estimation method for a Thai population by determining three maxillary suture lengths: anterior, transverse, and posterior maxillary suture, by computerizing amount of pixel obtained from photographs of these sutures. The present study was conducted on 190 Thai bone samples of which 96 were males and 94 were females. Independent t test revealed statistically significant difference (P<0.01) between males and females in all maxillary suture measurements. Equations derived from prediction model, which required three maxillary suture lengths gave 76.8421% accuracy from the leave-one-out cross validation in estimating sex percentage accuracies in predicting sex from these equations, which were relatively moderate. This study provides a novel and objective sex estimation method for Thais. It suggests that maxillary suture length can be applied for sex estimation. The new computerized technique will contribute basis knowledge and method for sex estimation, especially when only base of skull is available in forensic circumstance.
  20. Fulltext Dietary Acrylamide and the Risks of Developing Cancer: Facts to Ponder
    Kumar J, Das S, Teoh SL
    Front Nutr, 2018;5:14.
    PMID: 29541638 DOI: 10.3389/fnut.2018.00014
    Acrylamide (AA) is a water soluble white crystalline solid commonly used in industries. It was listed as an industrial chemical with potential carcinogenic properties. However to date, AA was used to produce polyacrylamide polymer, which was widely used as a coagulant in water treatment; additives during papermaking; grouting material for dams, tunnels, and other underground building constructions. AA in food could be formed during high-temperature cookingviaseveral mechanisms, i.e., formationviaacrylic acid which may be derived from the degradation of lipid, carbohydrates, or free amino acids; formationviathe dehydration/decarboxylation of organic acids (malic acid, lactic acid, and citric acid); and direct formation from amino acids. The big debate is whether this compound is toxic to human beings or not. In the present review, we discuss the formation of AA in food products, its consumption, and possible link to the development of any cancers. We discuss the body enzymatic influence on AA and mechanism of action of AA on hormone, calcium signaling pathways, and cytoskeletal filaments. We also highlight the deleterious effects of AA on nervous system, reproductive system, immune system, and the liver. The present and future mitigation strategies are also discussed. The present review on AA may be beneficial for researchers, food industry, and also medical personnel.
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