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Salah NY, Madkour SS, Ahmed KS, Abdelhakam DA, Abdullah FA, Mahmoud RAEH. Adiponectin rs1501299 and chemerin rs17173608 gene polymorphism in children with type 1 diabetes mellitus: relation with macroangiopathy and peripheral artery disease. J Endocrinol Invest 2024; 47:983-994. [PMID: 37831337 PMCID: PMC10965736 DOI: 10.1007/s40618-023-02215-z] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 09/27/2023] [Indexed: 10/14/2023]
Abstract
AIM Although macrovascular complications represent the leading cause of mortality in type 1 diabetes mellitus (T1DM), the prevalence of subtle macrovascular affection including peripheral artery disease (PAD) among children with T1DM and its genetic predictors remains to be unraveled. Increasing evidence suggests a link between adiponectin rs1501299 and chemerin rs17173608 gene polymorphism and atherogenesis, and insulin resistance. Hence, this study assess the prevalence of these variants among children with T1DM in comparison to healthy controls and their association with macrovascular complications, namely PAD and hyperlipidemia. METHODS Fifty children with T1DM and 50 matched controls underwent a thorough assessment including adiponectin rs1501299 and chemerin rs17173608 gene polymorphisms, fasting lipids, glycated hemoglobin (HbA1c), and ankle-brachial index (ABI). Cochran-Armitage trend test was used to decide the risk allele and evaluate the association between the candidate variant and PAD using a case-control design. RESULTS Children with T1DM were found to have significantly higher ABI (p = 0.011) than controls. Chemerin gene polymorphism was detected in 41 children with T1DM (82.0%), while adiponectin gene polymorphism was detected in 19 children (38.0%). Children with T1DM having GG chemerin variant and those having TT adiponectin variant had significantly higher cholesterol with significantly lower HDL-C and ABI than those having the other two variants (p < 0.005). Children with T1DM having abnormal ABI had significantly higher chemerin G (p = 0.017) and adiponectin T (p = 0.022) alleles than those with normal ABI. Cholesterol and ABI were independently associated with chemerin and adiponectin gene polymorphism by multivariable regression analysis. CONCLUSION Children with T1DM having chemerin and adiponectin gene polymorphisms have significantly higher cholesterol and ABI than those without these polymorphisms and controls. TRIAL REGISTRATION The Research Ethics Committee of Ain Shams University, approval number R 31/2021.
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Affiliation(s)
- N Y Salah
- Pediatrics Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt.
| | - S S Madkour
- Radiology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
- Department of Diagnostic and Interventional Radiology and Molecular Imaging, Ain Shams University, Cairo, Egypt
| | - K S Ahmed
- Radiology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
- Department of Diagnostic and Interventional Radiology and Molecular Imaging, Ain Shams University, Cairo, Egypt
| | - D A Abdelhakam
- Clinical Pathology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - F A Abdullah
- Clinical Pathology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - R A E H Mahmoud
- Pediatrics Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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Qiu L, Xu J, Ahmed KS, Zhu M, Zhang Y, Long M, Chen W, Fang W, Zhang H, Chen J. Stimuli-responsive, dual-function prodrug encapsulated in hyaluronic acid micelles to overcome doxorubicin resistance. Acta Biomater 2022; 140:686-699. [PMID: 34875359 DOI: 10.1016/j.actbio.2021.11.050] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 12/11/2022]
Abstract
Multidrug resistance (MDR) is the main challenge faced by cancer chemotherapy. Drug-conjugate offers a promising strategy for breast cancer therapy. In this regard, we developed a DNVM multifunctional drug delivery system by crosslinking doxorubicin (DOX) and vitamin E succinate (VES) with a pH-sensitive hydrazone bond and then encapsulated the DOX-NN-VES prodrug into pH-sensitive hyaluronic acid-2-(octadecyloxy)-1,3-dioxan-5-amine (HOD) micelles. DOX resistant MCF-7/ADR cell were adopted as a model to study the capability and mechanism of MDR reversal. DNVM exhibited much higher cytotoxicity and cell uptake efficiency compared with that of acid-insensitive DOX-VES loaded HOD micelles (DVSM) and DOX loaded HOD micelles (DOXM), indicating the better capacity of DNVM for the reversal of MDR. Moreover, DNVM prevented drug efflux more effectively, inhibited the expression of P-gp, induced excessive production of reactive oxygen species and affected the expression of apoptosis-related proteins. In vivo experiments showed that DNVM significantly inhibited the tumor growth with no obvious changes in the body weight of MCF-7/ADR cells-bearing nude mice. The results suggested that the "double gain" DNVM can synergistically enhance the efficacy of chemotherapeutics for DOX resistant tumor cells and has the potential to overcome tumor MDR. STATEMENT OF SIGNIFICANCE: A dual-functional pH-sensitive doxorubicin - vitamin E succinate prodrug was developed and loaded into tumor microenvironment-sensitive hyaluronic acid-2-(octadecyloxy)-1,3-dioxan-5-amine micelle system (DNVM) for sequencing stimuli-release and overcoming doxorubicin resistance. The "double gain" DNVM can synergistically enhance the efficacy of chemotherapeutics for doxorubicin resistant tumor cells and has the potential to overcome tumor multiple drug resistance.
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Affiliation(s)
- Lipeng Qiu
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Jiamin Xu
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Kamel S Ahmed
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Mengqin Zhu
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Yan Zhang
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Miaomiao Long
- Department of Pharmacy, Wuxi Higher Health Vocational Technology School, Wuxi 214028, Jiangsu, China
| | - Weijun Chen
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Wenjie Fang
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Huijie Zhang
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, Jiangsu, China.
| | - Jinghua Chen
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, Jiangsu, China.
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Ahmed KS, Liu S, Mao J, Zhang J, Qiu L. Dual-Functional Peptide Driven Liposome Codelivery System for Efficient Treatment of Doxorubicin-Resistant Breast Cancer. Drug Des Devel Ther 2021; 15:3223-3239. [PMID: 34349500 PMCID: PMC8326382 DOI: 10.2147/dddt.s317454] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 07/21/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The active-targeted drug delivery systems had attracted more and more attention to efficiently overcome multidrug resistance (MDR) in cancer treatments. The aim of the work was to develop a multifunctional nano-structured liposomal system for co-delivery of doxorubicin hydrochloride (DOX) and celecoxib (CEL) to overcome doxorubicin resistance in breast cancer. METHODS A functional hybrid peptide (MTS-R8H3) with unique cellular penetrability, endo-lysosomal escape and mitochondrial targeting ability was successfully synthesized using solid phase synthesis technology. The peptide modified targeted liposomes (DOX/CEL-MTS-R8H3 lipo) for co-delivery of DOX and CEL were formulated to overcome the chemoresistance in MCF/ADR cells. RESULTS DOX/CEL-MTS-R8H3 lipo showed nanosized shape and displayed high stability for one month. The cytotoxicity effect of the co-delivery of DOX and CEL through peptide modified liposomes had remarkable treatment efficacy on killing MCF/ADR cells. Targeted liposome exhibited greater cellular entry ability about 5.72-fold stronger than DOX solution. Moreover, as compared with unmodified liposomes, the presence of MTS-R8H3 peptide entity on liposome surface enhanced the mitochondrial-targeting ability and achieved effective reactive oxygen species (ROS) production with significant inhibition of P-gp efflux activity. CONCLUSION The study suggested that the DOX/CEL-MTS-R8H3 lipo is a promising strategy for overcoming drug resistance in breast cancer treatments with high targeting inhibition efficiency.
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Affiliation(s)
- Kamel S Ahmed
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi, 214122, Jiangsu, People’s Republic of China
- Department of Pharmaceutics, Faculty of Pharmacy, Minia University, Minia, 19623, Egypt
| | - Shenhuan Liu
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi, 214122, Jiangsu, People’s Republic of China
| | - Jing Mao
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi, 214122, Jiangsu, People’s Republic of China
| | - Jie Zhang
- The Jiaxing Key Laboratory of Oncological Photodynamic Therapy and the Targeted Drug Research, College of Medicine, Jiaxing University, Jiaxing, Zhejiang, 314001, People’s Republic of China
| | - Lipeng Qiu
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi, 214122, Jiangsu, People’s Republic of China
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Ahmed KS, Changling S, Shan X, Mao J, Qiu L, Chen J. Liposome-based codelivery of celecoxib and doxorubicin hydrochloride as a synergistic dual-drug delivery system for enhancing the anticancer effect. J Liposome Res 2019; 30:285-296. [DOI: 10.1080/08982104.2019.1634724] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Kamel S. Ahmed
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Jiangnan University, Wuxi, China
- Department of Pharmaceutics, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Sun Changling
- Department of Otolaryngology–Head and Neck Surgery, Hospital of Jiangnan University, Wuxi, China
| | - Xiaotian Shan
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Jiangnan University, Wuxi, China
| | - Jing Mao
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Jiangnan University, Wuxi, China
| | - Lipeng Qiu
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Jiangnan University, Wuxi, China
| | - Jinghua Chen
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Jiangnan University, Wuxi, China
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Qiu L, Shan X, Long M, Ahmed KS, Zhao L, Mao J, Zhang H, Sun C, You C, Lv G, Chen J. Elucidation of cellular uptake and intracellular trafficking of heparosan polysaccharide-based micelles in various cancer cells. Int J Biol Macromol 2019; 130:755-764. [DOI: 10.1016/j.ijbiomac.2019.02.133] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/21/2019] [Accepted: 02/22/2019] [Indexed: 01/12/2023]
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Ahmed KS, Shan X, Mao J, Qiu L, Chen J. Derma roller® microneedles-mediated transdermal delivery of doxorubicin and celecoxib co-loaded liposomes for enhancing the anticancer effect. Materials Science and Engineering: C 2019; 99:1448-1458. [DOI: 10.1016/j.msec.2019.02.095] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 01/29/2019] [Accepted: 02/24/2019] [Indexed: 01/06/2023]
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Shan X, Mao J, Long M, Ahmed KS, Sun C, Qiu L, Chen J. Influence of polyethylene glycol molecular weight on the anticancer drug delivery of pH‐sensitive polymeric micelle. J Appl Polym Sci 2019. [DOI: 10.1002/app.47854] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Xiaotian Shan
- Department of Pharmaceutics, School of Pharmaceutical SciencesJiangnan University Wuxi 214122 China
| | - Jing Mao
- Department of Pharmaceutics, School of Pharmaceutical SciencesJiangnan University Wuxi 214122 China
| | - Miaomiao Long
- Department of Pharmacy, Wuxi Higher Health Vocational Technology School Wuxi 214028 Jiangsu China
| | - Kamel S. Ahmed
- Department of Pharmaceutics, School of Pharmaceutical SciencesJiangnan University Wuxi 214122 China
| | - Changling Sun
- Department of Otolaryngology–Head and Neck SurgeryAffiliated Hospital of Jiangnan University, Wuxi Jiangsu Province 214062 China
| | - Lipeng Qiu
- Department of Pharmaceutics, School of Pharmaceutical SciencesJiangnan University Wuxi 214122 China
| | - Jinghua Chen
- Department of Pharmaceutics, School of Pharmaceutical SciencesJiangnan University Wuxi 214122 China
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Qiu L, Ge L, Long M, Mao J, Ahmed KS, Shan X, Zhang H, Qin L, Lv G, Chen J. Redox-responsive biocompatible nanocarriers based on novel heparosan polysaccharides for intracellular anticancer drug delivery. Asian J Pharm Sci 2018; 15:83-94. [PMID: 32175020 PMCID: PMC7066043 DOI: 10.1016/j.ajps.2018.11.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 10/31/2018] [Accepted: 11/16/2018] [Indexed: 01/22/2023] Open
Abstract
Heparosan is a natural precursor of heparin biosynthesis in mammals. It is stable in blood circulation but can be degraded in lysosomes, showing good biocompatibility and long circulation features. So heparosan can be designed as anticancer drug carriers to increase tumor selectivity and improve the therapeutic effect. A novel redox-sensitive heparosan-cystamine-vitamin E succinate (KSV) micelle system was constructed for intracellular delivery of doxorubicin (DOX). Simultaneously, the redox-insensitive heparosan-adipic acid dihydrazide-vitamin E succinate copolymer (KV) was synthesized as control. DOX-loaded micelles (DOX/KSV) with an average particle size of 90–120 nm had good serum stability and redox-triggered depolymerization. In vitro drug release test showed that DOX/KSV micelles presented obvious redox-triggered release behavior compared with DOX/KV. Cytotoxicity and cell uptake were investigated using MGC80-3 tumor cells and COS7 fibroblast-like cells. The cell survival rate of blank micelles was more than 90%, and the cytotoxicity of DOX/KSV in MGC80-3 cells was higher than in COS7 cells, indicating that the carrier has better biocompatibility and less toxicity side effect. The cytotoxicity of DOX/KSV against MGC80-3 cells was significantly greater than that of free DOX and DOX/KV. Furthermore, compared with DOX/KV in MGC80-3 cells, DOX/KSV micelles uptook more anticancer drugs and then released DOX faster into the cell nucleus. The micelles were endocytosed by multiple pathways, but clathrin-mediated endocytosis was the main pathway. Therefore, heparosan polysaccharide could be a potential option as anticancer carrier for enhancing efficacy and mitigating toxicity.
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Affiliation(s)
- Lipeng Qiu
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Lu Ge
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Miaomiao Long
- Wuxi Higher Health Vocational Technology School, Wuxi 214028, China
| | - Jing Mao
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Kamel S Ahmed
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Xiaotian Shan
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Huijie Zhang
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Li Qin
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
| | - Guozhong Lv
- Wuxi Third Renmin Hospital, Wuxi 214041, China
| | - Jinghua Chen
- School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, China
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Ahmed KS, Hussein SA, Ali AH, Korma SA, Lipeng Q, Jinghua C. Liposome: composition, characterisation, preparation, and recent innovation in clinical applications. J Drug Target 2018; 27:742-761. [PMID: 30239255 DOI: 10.1080/1061186x.2018.1527337] [Citation(s) in RCA: 118] [Impact Index Per Article: 19.7] [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: 12/15/2022]
Abstract
In the last decades, pharmaceutical interested researches aimed to develop novel and innovative drug delivery techniques in the medical and pharmaceutical fields. Recently, phospholipid vesicles (Liposomes) are the most known versatile assemblies in the drug delivery systems. The discovery of liposomes arises from self-forming enclosed phospholipid bilayer upon coming in contact with the aqueous solution. Liposomes are uni or multilamellar vesicles consisting of phospholipids produced naturally or synthetically, which are readily non-toxic, biodegradable, and are readily produced on a large scale. Various phospholipids, for instance, soybean, egg yolk, synthetic, and hydrogenated phosphatidylcholine consider the most popular types used in different kinds of formulations. This review summarises liposomes composition, characterisation, methods of preparation, and their applications in different medical fields including cancer therapy, vaccine, ocular delivery, wound healing, and some dermatological applications.
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Affiliation(s)
- Kamel S Ahmed
- a Department of Pharmaceutics , School of Pharmaceutical Sciences, Jiangnan University , Wuxi , PR China.,b Department of Pharmaceutics , Faculty of Pharmacy, Minia University , Minia , Egypt
| | - Saied A Hussein
- c Department of Biomedical Engineering , College of Life Science and Technology, Huazhong University of Science and Technology , Wuhan , PR China
| | - Abdelmoneim H Ali
- d State Key Laboratory of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, School of Food Science and Technology, Jiangnan University , Wuxi , PR China
| | - Sameh A Korma
- d State Key Laboratory of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, School of Food Science and Technology, Jiangnan University , Wuxi , PR China
| | - Qiu Lipeng
- a Department of Pharmaceutics , School of Pharmaceutical Sciences, Jiangnan University , Wuxi , PR China
| | - Chen Jinghua
- a Department of Pharmaceutics , School of Pharmaceutical Sciences, Jiangnan University , Wuxi , PR China
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Islam MM, Saha SK, Saha S, Wahid UA, Gomes RR, Ahmed KS, Naushad AN, Suchi SE, Saha C, Mondal D. Current Trends of Using Antimicrobials at Obstetrics and Gynaecology Department in a Tertiary Care Hospital. Mymensingh Med J 2017; 26:514-518. [PMID: 28919603] [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: 06/07/2023]
Abstract
This cross-sectional descriptive study was done to analyse the current trends of using antimicrobials in various surgical procedures at Obstetrics and Gynaecology department in Mymensingh Medical College Hospital, Mymensingh from July 2014 to June 2015. Among 300 postoperative obstetrics and gynaecological surgery cases, samples were selected as non-random purposive selection method where pattern of using antimicrobials were analysed by SPSS method 20.1 versions. The incidence of antimicrobial resistance is on continued rise with a threat to return to the pre-antibiotic era. This has led to emergence of such bacterial infections which are essentially untreatable by the current armamentarium of available treatment options. Now-a-days variation of choosing antibiotic are quietly accepted in Obstetrics and Gynaecology department as prophylaxis purpose to control life threatening conditions such as postoperative wound infection, septicaemia, urinary tract infection etc. The data analysis revealed that among 300 obstetrical and gynaecological surgeries, Nitroimidazoles (93.33%), Cephalosporins (91%) and Aminoglycosides (59%) group were most commonly used antimicrobials in both obstetrics and gynaecological surgeries. Metronidazole (93.33%), Ceftriaxone (68.66%), Gentamicin (60.33%), Cefuroxime (48%), Flucloxacillin (42%), Cefixime (27%) were the most commonly used antimicrobials at obstetrics and gynaecology department. Combination of Ceftriaxone, Metronidazole and Gentamicin (37.66%), Ceftriaxone and Metronidazole (25.33%), Cefuroxime, Metronidazole and Gentamicin (16%), Ciprofloxacin, Metronidazole and Gentamicin (5.33%) were most commonly used antimicrobials postoperatively. Total mean duration of antimicrobial therapy was 10.45 days. Antibiotics are useful in prevention of infection. But indiscriminately use of antibiotics without any guideline may lead to antimicrobial resistance. So, antimicrobial surveillance committee should be formed by hospital authority to know the local using pattern of antibiotics.
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Affiliation(s)
- M M Islam
- Dr Mir Moyeedul Islam, M. Phil (Thesis Part), Department of Pharmacology & Therapeutics, Mymensingh Medical College (MMC), Mymensingh
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Ahmed KS, Begum A, Alamgir M, Al Masud MA. A case of battered wife. Bangladesh J Med Sci 2012. [DOI: 10.3329/bjms.v11i3.11736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
The use of corrective force against the wife is still rife in all cultures and even socially acceptable in some culture. Domestic violence is still common in our society. We report a case of 20 years old woman who admitted into OCC of DMCH through emergency department owing to be assaulted by her husband. This case is exceptional one because the injuries inflicted upon her were over the middle of the forehead and clean cut in nature, though non fatal. Awareness and education is needed to stop this social stigma DOI: http://dx.doi.org/10.3329/bjms.v11i3.11736 Bangladesh Journal of Medical Science Vol. 11 No. 03 July12
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Ahmed KS, Khan AA, Ahi JD, Habibullah CM. Parental history of ulcer and the prevalence of <i> Helicobacter pylori</i> infection in their offspring. Indian J Med Microbiol 2008; 26:90. [DOI: 10.4103/0255-0857.38873] [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: 11/04/2022]
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Ahmed KS, Khan AA, Ahi JD, Habibullah CM. Parental History of Ulcer and the Prevalence of Helicobacter pylori Infection in their Offspring. Indian J Med Microbiol 2008. [DOI: 10.1016/s0255-0857(21)02007-7] [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: 10/21/2022]
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Ahmed KS, Khan AA, Ahmed I, Tiwari SK, Habeeb A, Ahi JD, Abid Z, Ahmed N, Habibullah CM. Impact of household hygiene and water source on the prevalence and transmission of Helicobacter pylori: a South Indian perspective. Singapore Med J 2007; 48:543-9. [PMID: 17538754] [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: 05/15/2023]
Abstract
INTRODUCTION In developing countries, the Helicobacter pylori (H. pylori) infection rate is high, especially in lower socioeconomic groups. The populace in developing countries lives in conditions that are highly conducive to the acquisition of microorganisms. Poor hygiene, crowded household conditions and deficient sanitation mark their day-to-day life. We aimed to find out the roles of household hygiene and water source in the prevalence and transmission of H. pylori infection among the South Indian population using polymerase chain reaction (PCR) assay. METHODS The selected population consisted of 500 adults of varying ages ranging from 30 to 79 years, with upper gastrointestinal tract symptoms. Each participant in the study was given a questionnaire to complete. Samples to assess H. pylori infection included three gastric biopsies (two from the antrum and one from the corpus region). Infection was detected by PCR amplification of the 16S rRNA gene of H. pylori. The data was then examined statistically by univariate and multivariate analyses. RESULTS The overall prevalence of H. pylori was detected to be 80 percent. Prevalence increased with an increase in age and it was found to be 90 percent in the 70-79 year age group (p-value is less than 0.01). The prevalence of infection among people who drank water from wells was 92 percent compared with 74.8 percent of those who drank tap water (p-value is less than 0.001). H. pylori infection prevalence was found to be higher in people with low clean water index (CWI) (88.2 percent) than in those with higher CWI (33.3 percent) (p-value is less than 0.001). While the prevalence of H. pylori in the subjects with lower socioeconomic status was 86.1 percent, in higher groups, it was 70 percent (p-value is less than 0.001). The prevalence of H. pylori was also found to be higher in subjects who lived in overcrowded houses. It was 83.7 percent with high crowding index, 76.6 percent with medium crowding index, and 71.3 percent with low crowding index (p-value is less than 0.05). CONCLUSION The results of the present study suggest that the risk of acquisition and transmission of H. pylori can be prevented to a large extent by following improved household hygienic practices, proper waste disposal measures as well as the regular use of boiling water for drinking purposes.
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Affiliation(s)
- K S Ahmed
- Centre for Liver Research and Diagnostics, Deccan College of Medical Sciences, Kanchanbagh, Hyderabad, India
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Mustafa M, Ahmed KS, Habibullah CM. Prevalence of Human Immunodeficiency Virus Infection in Pregnant Women. Indian J Med Microbiol 2007. [DOI: 10.1016/s0255-0857(21)02185-x] [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: 10/21/2022]
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Ahmed KS, Khan AA, Ahmed I, Tiwari SK, Habeeb MA, Ali SM, Ahi JD, Abid Z, Alvi A, Hussain MA, Ahmed N, Habibullah CM. Prevalence study to elucidate the transmission pathways of Helicobacter pylori at oral and gastroduodenal sites of a South Indian population. Singapore Med J 2006; 47:291-6. [PMID: 16572240] [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: 05/08/2023]
Abstract
INTRODUCTION Since the discovery of Helicobacter pylori (H. pylori), much progress has been made worldwide in the field of its epidemiology. In spite of these advancements, many aspects of epidemiology still remain unclear, particularly among populations with low socio-economic status. The present study was designed to elucidate the different routes of transmission of H. pylori in the Hyderabad (South India) population and to investigate the impact of certain factors, such as age, gender, and lifestyle. METHODS Samples used for the study included saliva and biopsy samples of 400 symptomatic subjects from Hyderabad, India. The patients were retrospectively grouped, based on histopathology of the biopsy and 16S rRNA amplification of both saliva and biopsy as H. pylori positive and negative. RESULTS This study showed that the prevalence of H. pylori in both saliva and biopsy samples increased with age. In addition, the H. pylori infection was found more commonly in the saliva and biopsy samples among males (64 percent and 60 percent, respectively) than females (53.3 percent and 64 percent, respectively). Similarly, 71.6 percent and 73.5 percent of those who consumed municipal water acquired H. pylori (which were respectively found in their saliva and biopsy samples) compared to a lesser proportion (12.6 percent and 12.6 percent, respectively) of those who consumed boiled or filtered water. The study also found that subjects who preferred home-cooked food (57.1 percent and 57.7 percent) showed a lower prevalence of H. pylori in saliva and biopsy samples, respectively, compared to those (80 percent and 88 percent) who frequently ate out. CONCLUSION The results of the present study suggest that besides the oral-oral route, the transmission of H. pylori also takes place through the consumption of food prepared under unhygienic conditions. Consumption of municipal tap water also has a high impact in the transmission of H. pylori.
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Affiliation(s)
- K S Ahmed
- Centre for Liver Research and Diagnostics, Deccan College of Medical Sciences and Allied Hospitals, Kanchanbagh, Hyderabad, India
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Tiwari SK, Khan AA, Ahmed KS, Ahmed I, Kauser F, Hussain MA, Ali SM, Alvi A, Habeeb A, Abid Z, Ahmed N, Habibullah CM. Rapid diagnosis of Helicobacter pylori infection in dyspeptic patients using salivary secretion: a non-invasive approach. Singapore Med J 2005; 46:224-8. [PMID: 15858691] [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: 05/02/2023]
Abstract
INTRODUCTION Current guidelines that recommend Helicobacter pylori eradication treatment without endoscopy in selected patients underscore the importance of non-invasive testing. The accuracy of saliva as a non-invasive specimen was compared with that of invasive tests in pretreatment diagnosis of H. pylori infection. METHODS One hundred patients undergoing gastroscopy were grouped into 80 symptomatic and 20 asymptomatic subjects and were investigated for the presence of H. pylori in saliva and stomach. Samples tested comprised saliva and gastric biopsies collected from each patient. Exclusion criteria were history of peptic ulcer, bleeding ulcer, cancer or recent use of antibiotics, proton pump inhibitors and non-steroidal anti-inflammatory drugs. Two sets of primers homologous to 534 bp fragment of H. pylori DNA, which have been shown previously to be highly specific and sensitive, were used for the polymerase chain reaction (PCR) amplification. RESULTS 72 (90 percent) of the symptomatic group and 10 asymptomatic subjects were infected with H. pylori in the stomach as determined by histology and direct PCR amplification of biopsy DNA obtained from each subject. H. pylori DNA was identified in the saliva of 70 (87.5 percent) symptomatic subjects and 12 (60 percent) asymptomatic control subjects. CONCLUSION High rates of detection using saliva as a specimen indicate that saliva of the infected person could serve as a reliable non-invasive alternative to detect the presence of H. pylori infection in comparison to the currently available standard diagnostic tests.
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Affiliation(s)
- S K Tiwari
- Centre for Liver Research and Diagnostics, Deccan College of Medical Sciences, Kanchanbagh, Hyderabad 500058, Andhra Pradesh, India
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Toppozada MK, Ismail AA, Hamed RS, Ahmed KS, el-Faras A. Progesterone challenge test and estrogen assays in menopausal women with endometrial adenomatous hyperplasia. Int J Gynaecol Obstet 1988; 26:115-9. [PMID: 2892727 DOI: 10.1016/0020-7292(88)90205-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
In an attempt to detect asymptomatic endometrial adenomatous hyperplasia in postmenopausal women, 40 cases were subjected to progesterone challenge test (PCT), measurement of serum estrogen and endometrial curettage. Group A (n = 30) included asymptomatic postmenopausal women, while group B (control group; n = 10) were cases with adenomatous hyperplasia (AH) diagnosed by biopsy. PCT showed a 100% sensitivity, 92% specificity, 71.4% predictive value of a positive test and 100% predictive value of a negative test in the detection of AH. Mean serum concentrations of E1 and E2 were significantly higher in patients with AH compared to cases with other endometrial histologies. Serum E1 and E2 and PCT can be used as screening tests to identify postmenopausal women with endometrial AH and thus at a greater risk of developing carcinoma.
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Affiliation(s)
- M K Toppozada
- Department of Obstetrics and Gynecology, Alexandria University, Egypt
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Pitchumoni CS, Thelmo W, Ahmed KS, Kumar A, Davidian M, Einhorn R, Adler J, McCarthy J. Glucagonoma, chronic recurrent peptic ulcer disease, and enhanced amylase-creatinine clearance ratio. Report of a case with review of the literature. J Clin Gastroenterol 1979; 1:219-23. [PMID: 95410 DOI: 10.1097/00004836-197909000-00005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A 53-year-old white woman developed diabetes mellitus, migratory erythema, and anemia, clinical features suggesting the presence of a "glucagonoma." Ten years earlier, after laparotomy and pancreatic biopsy, she had been told that she had an inoperable pancreatic carcinoma. Review of that biopsy together with current hormonal assay now confirms the diagnosis of glucagonoma. The recurrent peptic ulcer in this patient despite high levels of glucagon, a gastric inhibitory agent, is noted but not explained. An enhanced amylase-creatinine clearance ratio supports the notion that glucagon increases the clearances of amylase.
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Ahmed KS. Bangladesh. Asian Pac Popul Programme News 1979; 8:21. [PMID: 12309488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
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Goldfinger R, Ahmed KS, Pitchumoni CS, Weseley SA. Concomitant alcohol and drug abuse enhancing acetaminophen toxicity. Report of a case. Am J Gastroenterol 1978; 70:385-8. [PMID: 727190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Perry HM, Camel GH, Carmody SE, Ahmed KS, Perry EF. Survival in hydralazine-treated hypertensive patients with and without late toxicity. J Chronic Dis 1977; 30:519-28. [PMID: 893655 DOI: 10.1016/0021-9681(77)90073-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Ahmed KS, Matts SG. Diabetes mellitus. Br J Clin Pract 1972; 26:549-51. [PMID: 4649363] [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: 01/11/2023]
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Ahmed KS. Acute porphyria. J Indian Med Assoc 1969; 52:433-434. [PMID: 5805439] [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: 05/21/2023]
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