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Rather HA, Almousa S, Kumar A, Sharma M, Pennington I, Kim S, Su Y, He Y, Ghara AR, Sai KKS, Navone NM, Vander Griend DJ, Deep G. The β-Secretase 1 Enzyme as a Novel Therapeutic Target for Prostate Cancer. Cancers (Basel) 2023; 16:10. [PMID: 38201438 PMCID: PMC10778021 DOI: 10.3390/cancers16010010] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 12/04/2023] [Indexed: 01/12/2024] Open
Abstract
Recent studies have demonstrated the association of APP and Aβ with cancer, suggesting that BACE1 may play an important role in carcinogenesis. In the present study, we assessed BACE1's usefulness as a therapeutic target in prostate cancer (PCa). BACE1 expression was observed in human PCa tissue samples, patient-derived xenografts (PDX), human PCa xenograft tissue in nude mice, and transgenic adenocarcinoma of the mouse prostate (TRAMP) tissues by immunohistochemistry (IHC) analysis. Additionally, the downstream product of BACE1 activity, i.e., Aβ1-42 expression, was also observed in these PCa tissues by IHC as well as by PET imaging in TRAMP mice. Furthermore, BACE1 gene expression and activity was confirmed in several established PCa cell lines (LNCaP, C4-2B-enzalutamide sensitive [S], C4-2B-enzalutamide resistant [R], 22Rv1-S, 22Rv1-R, PC3, DU145, and TRAMP-C1) by real-time PCR and fluorometric assay, respectively. Treatment with a pharmacological inhibitor of BACE1 (MK-8931) strongly reduced the proliferation of PCa cells in in vitro and in vivo models, analyzed by multiple assays (MTT, clonogenic, and trypan blue exclusion assays and IHC). Cell cycle analyses revealed an increase in the sub-G1 population and a significant modulation in other cell cycle stages (G1/S/G2/M) following MK-8931 treatment. Most importantly, in vivo administration of MK-8931 intraperitoneal (30 mg/kg) strongly inhibited TRAMP-C1 allograft growth in immunocompetent C57BL/6 mice (approximately 81% decrease, p = 0.019). Furthermore, analysis of tumor tissue using the prostate cancer-specific pathway array revealed the alteration of several genes involved in PCa growth and progression including Forkhead O1 (FOXO1). All together, these findings suggest BACE1 as a novel therapeutic target in advanced PCa.
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Affiliation(s)
- Hilal A. Rather
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA; (H.A.R.); (S.A.); (A.K.); (M.S.); (I.P.); (S.K.); (Y.S.); (Y.H.); (A.R.G.)
| | - Sameh Almousa
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA; (H.A.R.); (S.A.); (A.K.); (M.S.); (I.P.); (S.K.); (Y.S.); (Y.H.); (A.R.G.)
| | - Ashish Kumar
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA; (H.A.R.); (S.A.); (A.K.); (M.S.); (I.P.); (S.K.); (Y.S.); (Y.H.); (A.R.G.)
| | - Mitu Sharma
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA; (H.A.R.); (S.A.); (A.K.); (M.S.); (I.P.); (S.K.); (Y.S.); (Y.H.); (A.R.G.)
| | - Isabel Pennington
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA; (H.A.R.); (S.A.); (A.K.); (M.S.); (I.P.); (S.K.); (Y.S.); (Y.H.); (A.R.G.)
| | - Susy Kim
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA; (H.A.R.); (S.A.); (A.K.); (M.S.); (I.P.); (S.K.); (Y.S.); (Y.H.); (A.R.G.)
| | - Yixin Su
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA; (H.A.R.); (S.A.); (A.K.); (M.S.); (I.P.); (S.K.); (Y.S.); (Y.H.); (A.R.G.)
| | - Yangen He
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA; (H.A.R.); (S.A.); (A.K.); (M.S.); (I.P.); (S.K.); (Y.S.); (Y.H.); (A.R.G.)
| | - Abdollah R. Ghara
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA; (H.A.R.); (S.A.); (A.K.); (M.S.); (I.P.); (S.K.); (Y.S.); (Y.H.); (A.R.G.)
| | - Kiran Kumar Solingapuram Sai
- Department of Radiology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA;
- Atrium Health Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC 27157, USA
- Sticht Center for Healthy Aging and Alzheimer’s Prevention, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA
| | - Nora M. Navone
- Department of Genitourinary Medical Oncology, David H. Koch Center for Applied Research of Genitourinary Cancers, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | | | - Gagan Deep
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA; (H.A.R.); (S.A.); (A.K.); (M.S.); (I.P.); (S.K.); (Y.S.); (Y.H.); (A.R.G.)
- Atrium Health Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC 27157, USA
- Sticht Center for Healthy Aging and Alzheimer’s Prevention, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA
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Rather HA, Almousa S, Craft S, Deep G. Therapeutic efficacy and promise of stem cell-derived extracellular vesicles in Alzheimer's disease and other aging-related disorders. Ageing Res Rev 2023; 92:102088. [PMID: 37827304 PMCID: PMC10842260 DOI: 10.1016/j.arr.2023.102088] [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] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 10/01/2023] [Accepted: 10/09/2023] [Indexed: 10/14/2023]
Abstract
The term extracellular vesicles (EVs) refers to a variety of heterogeneous nanovesicles secreted by almost all cell types, primarily for intercellular communication and maintaining cellular homeostasis. The role of EVs has been widely reported in the genesis and progression of multiple pathological conditions, and these vesicles are suggested to serve as 'liquid biopsies'. In addition to their use as biomarkers, EVs secreted by specific cell types, especially with stem cell properties, have shown promise as cell-free nanotherapeutics. Stem cell-derived EVs (SC-EVs) have been increasingly used as an attractive alternative to stem cell therapies and have been reported to promote regeneration of aging-associated tissue loss and function. SC-EVs treatment ameliorates brain and peripheral aging, reproductive dysfunctions and inhibits cellular senescence, thereby reversing several aging-related disorders and dysfunctions. The anti-aging therapeutic potential of SC-EVs depends on multiple factors, including the type of stem cells, the age of the source stem cells, and their physiological state. In this review, we briefly describe studies related to the promising effects of SC-EVs against various aging-related pathologies, and then we focus in-depth on the therapeutic benefits of SC-EVs against Alzheimer's disease, one of the most devastating neurodegenerative diseases in elderly individuals. Numerous studies in transgenic mouse models have reported the usefulness of SC-EVs in targeting the pathological hallmarks of Alzheimer's disease, including amyloid plaques, neurofibrillary tangles, and neuroinflammation, leading to improved neuronal protection, synaptic plasticity, and cognitive measures. Cell culture studies have further identified the underlying molecular mechanisms through which SC-EVs reduce amyloid beta (Aβ) levels or shift microglia phenotype from pro-inflammatory to anti-inflammatory state. Interestingly, multiple routes of administration, including nasal delivery, have confirmed that SC-EVs could cross the blood-brain barrier. Due to this, SC-EVs have also been tested to deliver specific therapeutic cargo molecule/s (e.g., neprilysin) to the brain. Despite these promises, several challenges related to quality control, scalability, and biodistribution remain, hindering the realization of the vast clinical promise of SC-EVs.
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Affiliation(s)
- Hilal Ahmad Rather
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Sameh Almousa
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Suzanne Craft
- Department of Internal Medicine-Gerontology and Geriatric Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, United States; Sticht Center for Healthy Aging and Alzheimer's Prevention, Wake Forest University School of Medicine, Winston-Salem, NC, United States
| | - Gagan Deep
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, United States; Sticht Center for Healthy Aging and Alzheimer's Prevention, Wake Forest University School of Medicine, Winston-Salem, NC, United States; Atirum Health Wake Forest Baptist Comprehensive Cancer Center, Wake Forest University School of Medicine, Winston-Salem, NC, United States.
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Mishra S, Kumar A, Kim S, Su Y, Singh S, Sharma M, Almousa S, Rather HA, Jain H, Lee J, Furdui CM, Ahmad S, Ferrario CM, Punzi HA, Chuang CC, Wabitsch M, Kritchevsky SB, Register TC, Deep G. A Liquid Biopsy-Based Approach to Isolate and Characterize Adipose Tissue-Derived Extracellular Vesicles from Blood. ACS Nano 2023; 17:10252-10268. [PMID: 37224410 DOI: 10.1021/acsnano.3c00422] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Obesity is a major risk factor for multiple chronic diseases. Anthropometric and imaging approaches are primarily used to assess adiposity, and there is a dearth of techniques to determine the changes in adipose tissue (AT) at the molecular level. Extracellular vesicles (EVs) have emerged as a novel and less invasive source of biomarkers for various pathologies. Furthermore, the possibility of enriching cell or tissue-specific EVs from the biofluids based on their unique surface markers has led to classifying these vesicles as "liquid biopsies", offering valuable molecular information on hard-to-access tissues. Here, we isolated small EVs from AT (sEVAT) of lean and diet-induced obese (DIO) mice, identified unique surface proteins on sEVAT by surface shaving followed by mass spectrometry, and developed a signature of five unique proteins. Using this signature, we pulled out sEVAT from the blood of mice and validated the specificity of isolated sEVAT by measuring the expression of adiponectin, 38 adipokines on an array, and several adipose tissue-related miRNAs. Furthermore, we provided evidence of sEV applicability in disease prediction by characterizing sEVAT from the blood of lean and DIO mice. Interestingly, sEVAT-DIO cargo showed a stronger pro-inflammatory effect on THP1 monocytes compared to sEVAT-Lean and a significant increase in obesity-associated miRNA expression. Equally important, sEVAT cargo revealed an obesity-associated aberrant amino acid metabolism that was subsequently validated in the corresponding AT. Lastly, we show a significant increase in inflammation-related molecules in sEVAT isolated from the blood of nondiabetic obese (>30 kg/m2) individuals. Overall, the present study offers a less-invasive approach to characterize AT.
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Affiliation(s)
- Shalini Mishra
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Ashish Kumar
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Susy Kim
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Yixin Su
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Sangeeta Singh
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Mitu Sharma
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Sameh Almousa
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Hilal A Rather
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Heetanshi Jain
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Jingyun Lee
- Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, North Carolina 27157, United States
| | - Cristina M Furdui
- Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, North Carolina 27157, United States
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Sarfaraz Ahmad
- Laboratory of Translational Hypertension, Department of General Surgery, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Carlos M Ferrario
- Laboratory of Translational Hypertension, Department of General Surgery, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Henry A Punzi
- Punzi Medical Center, Punzi Institute of Medicine, Carrollton, Texas 75006, United States
- UT Southwestern Medical Center, Dallas, Texas, 75390, United States
| | - Chia-Chi Chuang
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Martin Wabitsch
- Department of Pediatrics and Adolescent Medicine, Center for Rare Endocrine Diseases, Ulm University Medical Centre, Ulm 89069, Germany
| | - Stephen B Kritchevsky
- Department of Internal Medicine-Gerontology and Geriatric Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
- Sticht Center for Healthy Aging and Alzheimer's Prevention, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Thomas C Register
- Sticht Center for Healthy Aging and Alzheimer's Prevention, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
- Department of Pathology, Section on Comparative Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
| | - Gagan Deep
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
- Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, North Carolina 27157, United States
- Sticht Center for Healthy Aging and Alzheimer's Prevention, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, United States
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Ghoneum A, Almousa S, Warren B, Abdulfattah AY, Shu J, Abouelfadl H, Gonzalez D, Livingston C, Said N. Exploring the clinical value of tumor microenvironment in platinum-resistant ovarian cancer. Semin Cancer Biol 2021; 77:83-98. [PMID: 33476723 PMCID: PMC8286277 DOI: 10.1016/j.semcancer.2020.12.024] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 12/20/2020] [Accepted: 12/30/2020] [Indexed: 12/13/2022]
Abstract
Platinum resistance in epithelial ovarian cancer (OvCa) is rising at an alarming rate, with recurrence of chemo-resistant high grade serous OvCa (HGSC) in roughly 75 % of all patients. Additionally, HGSC has an abysmal five-year survival rate, standing at 39 % and 17 % for FIGO stages III and IV, respectively. Herein we review the crucial cellular interactions between HGSC cells and the cellular and non-cellular components of the unique peritoneal tumor microenvironment (TME). We highlight the role of the extracellular matrix (ECM), ascitic fluid as well as the mesothelial cells, tumor associated macrophages, neutrophils, adipocytes and fibroblasts in platinum-resistance. Moreover, we underscore the importance of other immune-cell players in conferring resistance, including natural killer cells, myeloid-derived suppressive cells (MDSCs) and T-regulatory cells. We show the clinical relevance of the key platinum-resistant markers and their correlation with the major pathways perturbed in OvCa. In parallel, we discuss the effect of immunotherapies in re-sensitizing platinum-resistant patients to platinum-based drugs. Through detailed analysis of platinum-resistance in HGSC, we hope to advance the development of more effective therapy options for this aggressive disease.
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Affiliation(s)
- Alia Ghoneum
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC, 27157, USA
| | - Sameh Almousa
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC, 27157, USA
| | - Bailey Warren
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC, 27157, USA
| | - Ammar Yasser Abdulfattah
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC, 27157, USA; Alexandria University School of Medicine, Alexandria, Egypt
| | - Junjun Shu
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC, 27157, USA; The Third Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Hebatullah Abouelfadl
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC, 27157, USA; Department of Genetics, Animal Health Research Institute, Dokki, Egypt
| | - Daniela Gonzalez
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC, 27157, USA
| | - Christopher Livingston
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC, 27157, USA
| | - Neveen Said
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC, 27157, USA; Departments of Urology, Wake Forest University School of Medicine, Winston Salem, NC, 27157, USA; Comprehensive Cancer Center, Winston Salem, NC, 27157, USA.
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Afify H, Ghoneum A, Almousa S, Abdulfattah AY, Warren B, Langsten K, Gonzalez D, Casals R, Bharadwaj M, Kridel S, Said N. Metabolomic credentialing of murine carcinogen-induced urothelial cancer. Sci Rep 2021; 11:22085. [PMID: 34764423 PMCID: PMC8585868 DOI: 10.1038/s41598-021-99746-3] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 09/28/2021] [Indexed: 11/24/2022] Open
Abstract
Bladder cancer (BCa) is the most common malignancy of the urinary system with increasing incidence, mortality, and limited treatment options. Therefore, it is imperative to validate preclinical models that faithfully represent BCa cellular, molecular, and metabolic heterogeneity to develop new therapeutics. We performed metabolomic profiling of premalignant and non-muscle invasive bladder cancer (NMIBC) that ensued in the chemical carcinogenesis N-butyl-N-(4-hydroxybutyl)-nitrosamine (BBN) mouse model. We identified the enriched metabolic signatures that associate with premalignant and NMIBC. We found that enrichment of lipid metabolism is the forerunner of carcinogen-induced premalignant and NMIBC lesions. Cross-species analysis revealed the prognostic value of the enzymes associated with carcinogen-induced enriched metabolic in human disease. To date, this is the first study describing the global metabolomic profiles associated with early premalignant and NMIBC and provide evidence that these metabolomic signatures can be used for prognostication of human disease.
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Affiliation(s)
- Hesham Afify
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Alia Ghoneum
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Sameh Almousa
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Ammar Yasser Abdulfattah
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Bailey Warren
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Kendall Langsten
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Daniela Gonzalez
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Randy Casals
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
- Department of Urology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Manish Bharadwaj
- Cell Analysis Division, Agilent Technologies, Inc, Santa Clara, CA, 95051, USA
| | - Steven Kridel
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
- Department of Urology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
- Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC, 27157, USA
| | - Neveen Said
- Department of Cancer Biology, Medical Center Boulevard, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA.
- Department of Urology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA.
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA.
- Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC, 27157, USA.
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Alanazi H, Ahmed A, Alsadi M, Almousa S, Homoud E, Almutairi R, Alkhalifah B. Competency differences in ECG interpretations between medical students, interns, and family residents. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
The 12-lead electrocardiogram (ECG) is an indispensable screening and diagnostic tool used to identify cardiovascular abnormalities as well as fatal cardiac emergencies. Our aim was to identify whether a competency difference in interpreting ECG strips between medical students, interns, and family residents exists.
Methods
A cross-sectional, single-center study conducted at tertiary health care facility and its academic institution. Participants were given a self-administered questionnaire which consisted of a demographic sheet and 10-ECGs each with 9 multiple choice questions about the basic ECG parameters. Correct answer was given a 1-point score, with the minimum and maximum scores being 0 and 90, respectively.
Results
The total participants were 93; 54 (58.1%) medical students, 27 (29.0%) interns, and 12 (12.9%) family Medicine residents. Medical students had a statistically significant higher mean score 84.7±9.5 when compared to the medical interns 73.4±12.9 (p<0.001) and family medicine residents 58.2±18.0 (p<0.001). There were no differences in the mean scores between male and female medical students and interns. However, female family medicine residents had a higher mean score when compared to their male colleagues (p-value=0.04). Medical students performed better in detection of more than 65% of all ECG parameters when compared to the interns and residents. Fifty-seven (61.3%) reported that ECGs exposure during their medical program was not sufficient. Lectures were reported as the most effective modality of ECG teaching among 38 medical students (70.4%) and 9 residents (75.0%). However, 9 medical interns reported self-teaching (33.3%) as effective as standard lectures (33.3%) in teaching ECG.
Conclusion
Among our study cohort, medical students had higher ECGs-related skills, interpretation skill and more reading competency than medical interns and family residents. Most used method of learning ECG in all levels was lectures. Although Study generalizability is limited, refining ECG reading skills is required.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- H Alanazi
- King Abdul Aziz Medical City, King Abdulaziz Cardiac Center, Riyadh, Saudi Arabia
| | - A Ahmed
- King Abdul Aziz Medical City, King Abdulaziz Cardiac Center, Riyadh, Saudi Arabia
| | - M Alsadi
- King Saud bin Abdulaziz University for Health Specilities, Riyadh, Saudi Arabia
| | - S Almousa
- King Saud bin Abdulaziz University for Health Specilities, Riyadh, Saudi Arabia
| | - E Homoud
- King Saud bin Abdulaziz University for Health Specilities, Riyadh, Saudi Arabia
| | - R Almutairi
- King Saud bin Abdulaziz University for Health Specilities, Riyadh, Saudi Arabia
| | - B Alkhalifah
- King Saud bin Abdulaziz University for Health Specilities, Riyadh, Saudi Arabia
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Almousa S, Lamprianidou E, Kitsoulis G. The effectiveness of stabilising exercises in pelvic girdle pain during pregnancy and after delivery: A systematic review. Physiother Res Int 2017; 23. [DOI: 10.1002/pri.1699] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 10/01/2017] [Accepted: 10/10/2017] [Indexed: 01/12/2023]
Affiliation(s)
- S. Almousa
- Faculty of life Sciences and Education; University of South Wales; Pontypridd Wales UK
| | | | - G. Kitsoulis
- Physiotherapy Department; University Hospital of Ioannina; Ioannina Greece
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