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Dou Q, Grant AK, Coutinto de Souza P, Moussa M, Nasser I, Ahmed M, Tsai LL. Characterizing Metabolic Heterogeneity of Hepatocellular Carcinoma with Hyperpolarized 13C Pyruvate MRI and Mass Spectrometry. Radiol Imaging Cancer 2024; 6:e230056. [PMID: 38426887 PMCID: PMC10988335 DOI: 10.1148/rycan.230056] [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: 04/27/2023] [Revised: 12/16/2023] [Accepted: 01/11/2024] [Indexed: 03/02/2024]
Abstract
Purpose To characterize the metabolomic profiles of two hepatocellular carcinoma (HCC) rat models, track evolution of these profiles to a stimulated tumor state, and assess their effect on lactate flux with hyperpolarized (HP) carbon 13 (13C) MRI. Materials and Methods Forty-three female adult Fischer rats were implanted with N1S1 or McA-RH7777 HCC tumors. In vivo lactate-to-pyruvate ratio (LPR) was measured with HP 13C MRI at 9.4 T. Ex vivo mass spectrometry was used to measure intratumoral metabolites, and Ki67 labeling was used to quantify proliferation. Tumors were first compared with three normal liver controls. The tumors were then compared with stimulated variants via off-target hepatic thermal ablation treatment. All comparisons were made using the Mann-Whitney test. Results HP 13C pyruvate MRI showed greater LPR in N1S1 tumors compared with normal liver (mean [SD], 0.564 ± 0.194 vs 0.311 ± 0.057; P < .001 [n = 9]), but not for McA-RH7777 (P = .44 [n = 8]). Mass spectrometry confirmed that the glycolysis pathway was increased in N1S1 tumors and decreased in McA-RH7777 tumors. The pentose phosphate pathway was also decreased only in McA-RH7777 tumors. Increased proliferation in stimulated N1S1 tumors corresponded to a net increase in LPR (six stimulated vs six nonstimulated, 0.269 ± 0.148 vs 0.027 ± 0.08; P = .009), but not in McA-RH7777 (eight stimulated vs six nonstimulated, P = .13), despite increased proliferation and metastases. Mass spectrometry demonstrated relatively increased lactate production with stimulation in N1S1 tumors only. Conclusion Two HCC subtypes showed divergent glycolytic dependency at baseline and during transformation to a high proliferation state. This metabolic heterogeneity in HCC should be considered with use of HP 13C MRI for diagnosis and tracking. Keywords: Molecular Imaging-Probe Development, Liver, Abdomen/GI, Oncology, Hepatocellular Carcinoma © RSNA, 2024 See also commentary by Ohliger in this issue.
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Affiliation(s)
- Qianhui Dou
- From the Departments of Radiology (Q.D., A.K.G., M.M., M.A., L.L.T.)
and Pathology (I.N.), Beth Israel Deaconess Medical Center, Harvard Medical
School, 330 Brookline Ave, ANSIN 230, Boston, MA 02215; and Merck & Co,
Rahway, NJ (P.C.d.S.)
| | - Aaron K. Grant
- From the Departments of Radiology (Q.D., A.K.G., M.M., M.A., L.L.T.)
and Pathology (I.N.), Beth Israel Deaconess Medical Center, Harvard Medical
School, 330 Brookline Ave, ANSIN 230, Boston, MA 02215; and Merck & Co,
Rahway, NJ (P.C.d.S.)
| | - Patricia Coutinto de Souza
- From the Departments of Radiology (Q.D., A.K.G., M.M., M.A., L.L.T.)
and Pathology (I.N.), Beth Israel Deaconess Medical Center, Harvard Medical
School, 330 Brookline Ave, ANSIN 230, Boston, MA 02215; and Merck & Co,
Rahway, NJ (P.C.d.S.)
| | - Marwan Moussa
- From the Departments of Radiology (Q.D., A.K.G., M.M., M.A., L.L.T.)
and Pathology (I.N.), Beth Israel Deaconess Medical Center, Harvard Medical
School, 330 Brookline Ave, ANSIN 230, Boston, MA 02215; and Merck & Co,
Rahway, NJ (P.C.d.S.)
| | - Imad Nasser
- From the Departments of Radiology (Q.D., A.K.G., M.M., M.A., L.L.T.)
and Pathology (I.N.), Beth Israel Deaconess Medical Center, Harvard Medical
School, 330 Brookline Ave, ANSIN 230, Boston, MA 02215; and Merck & Co,
Rahway, NJ (P.C.d.S.)
| | - Muneeb Ahmed
- From the Departments of Radiology (Q.D., A.K.G., M.M., M.A., L.L.T.)
and Pathology (I.N.), Beth Israel Deaconess Medical Center, Harvard Medical
School, 330 Brookline Ave, ANSIN 230, Boston, MA 02215; and Merck & Co,
Rahway, NJ (P.C.d.S.)
| | - Leo L. Tsai
- From the Departments of Radiology (Q.D., A.K.G., M.M., M.A., L.L.T.)
and Pathology (I.N.), Beth Israel Deaconess Medical Center, Harvard Medical
School, 330 Brookline Ave, ANSIN 230, Boston, MA 02215; and Merck & Co,
Rahway, NJ (P.C.d.S.)
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Ramalingam V, Degerstedt S, Moussa M, Tsai LL, Einstein D, Ahmed M. Percutaneous CT-Guided Cryoablation for Locally Recurrent Prostate Cancer: Technical Feasibility, Safety, and Effectiveness. J Vasc Interv Radiol 2024; 35:36-44. [PMID: 37805172 DOI: 10.1016/j.jvir.2023.09.029] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 09/18/2023] [Accepted: 09/25/2023] [Indexed: 10/09/2023] Open
Abstract
PURPOSE To assess the feasibility and safety of using computed tomography (CT) guidance for ablation of prostate cancer in the salvage setting. MATERIALS AND METHODS This institutional review board-approved retrospective study of consecutive patients who presented with prostate cancer recurrence and underwent percutaneous CT-guided cryoablation was conducted between July 2020 and September 2022. A total of 18 patients met the inclusion criteria, and a total of 19 procedures were performed. Demographic details; preablation and postablation urinary, rectal, and erectile function assessment; procedure details; and preoperative and postoperative imaging findings and prostate-specific antigen (PSA) values were recorded. RESULTS The mean treated tumor size was 15.7 mm ± 6.2. Technical success was achieved in 18 of the 19 procedures (94.7%), with 1 procedure aborted due to inability to obtain a safe plane. The mean follow-up time was 10.0 months (range, 2.3-26.7 months) at the time of manuscript preparation. The mean PSA before ablation was 8.1 ng/mL ± 9.3, and postablation PSA nadir was 2.6 ng/mL ± 4.0 (P = .002). Of the 18 patients who had postoperative imaging, 16 (88.9%) had a complete response (ie, no evidence of residual disease), and 2 (11.1%) patients had residual disease. Overall, 16 (88.9%) of the 18 treated patients demonstrated a PSA and/or imaging response to ablation. Mild adverse events occurred in 4 (22%) of the 18 cases. CONCLUSIONS CT-guided cryoablation appears to be a technically feasible, safe option for treating locally recurrent prostate cancer.
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Affiliation(s)
- Vijay Ramalingam
- Division of Vascular and Interventional Radiology, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts.
| | - Spencer Degerstedt
- Division of Vascular and Interventional Radiology, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts
| | - Marwan Moussa
- Division of Vascular and Interventional Radiology, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts
| | - Leo L Tsai
- Division of Abdominal Imaging, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts
| | - David Einstein
- Division of Medical Oncology, Department of Medicine, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts
| | - Muneeb Ahmed
- Division of Vascular and Interventional Radiology, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts
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Steagall PV, Monteiro BP, Marangoni S, Moussa M, Sautié M. Fully automated deep learning models with smartphone applicability for prediction of pain using the Feline Grimace Scale. Sci Rep 2023; 13:21584. [PMID: 38062194 PMCID: PMC10703818 DOI: 10.1038/s41598-023-49031-2] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 12/03/2023] [Indexed: 12/18/2023] Open
Abstract
This study used deep neural networks and machine learning models to predict facial landmark positions and pain scores using the Feline Grimace Scale© (FGS). A total of 3447 face images of cats were annotated with 37 landmarks. Convolutional neural networks (CNN) were trained and selected according to size, prediction time, predictive performance (normalized root mean squared error, NRMSE) and suitability for smartphone technology. Geometric descriptors (n = 35) were computed. XGBoost models were trained and selected according to predictive performance (accuracy; mean square error, MSE). For prediction of facial landmarks, the best CNN model had NRMSE of 16.76% (ShuffleNetV2). For prediction of FGS scores, the best XGBoost model had accuracy of 95.5% and MSE of 0.0096. Models showed excellent predictive performance and accuracy to discriminate painful and non-painful cats. This technology can now be used for the development of an automated, smartphone application for acute pain assessment in cats.
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Affiliation(s)
- P V Steagall
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC, Canada.
- Department of Veterinary Clinical Sciences and Centre for Animal Health and Welfare, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, China.
| | - B P Monteiro
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - S Marangoni
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - M Moussa
- Plateforme IA-Agrosanté, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - M Sautié
- Plateforme IA-Agrosanté, Université de Montréal, Saint-Hyacinthe, QC, Canada
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Baughman C, Mottalib A, Moussa M, Zemany L, Wagner AA, Graham K, Cluett JL. Second Time's a Charm: When to Reconsider Secondary Hypertension Evaluations. Hypertension 2023; 80:2501-2505. [PMID: 37830201 DOI: 10.1161/hypertensionaha.123.21730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Affiliation(s)
- Carter Baughman
- Department of Medicine (C.B., A.M., L.Z., K.G., J.L.C.), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
| | - Adham Mottalib
- Department of Medicine (C.B., A.M., L.Z., K.G., J.L.C.), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
| | - Marwan Moussa
- Department of Radiology (M.M.), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
| | - Laura Zemany
- Department of Medicine (C.B., A.M., L.Z., K.G., J.L.C.), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
| | - Andrew A Wagner
- Department of Surgery (A.A.W.), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
| | - Kelly Graham
- Department of Medicine (C.B., A.M., L.Z., K.G., J.L.C.), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
| | - Jennifer L Cluett
- Department of Medicine (C.B., A.M., L.Z., K.G., J.L.C.), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
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Moussa M, Chowdhury MR, Mwin D, Fatih M, Selveraj G, Abdelmonem A, Farghaly M, Dou Q, Filipczak N, Levchenko T, Torchilin VP, Boussiotis V, Goldberg SN, Ahmed M. Combined thermal ablation and liposomal granulocyte-macrophage colony stimulation factor increases immune cell trafficking in a small animal tumor model. PLoS One 2023; 18:e0293141. [PMID: 37883367 PMCID: PMC10602257 DOI: 10.1371/journal.pone.0293141] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 10/05/2023] [Indexed: 10/28/2023] Open
Abstract
PURPOSE To characterize intratumoral immune cell trafficking in ablated and synchronous tumors following combined radiofrequency ablation (RFA) and systemic liposomal granulocyte-macrophage colony stimulation factor (lip-GM-CSF). METHODS Phase I, 72 rats with single subcutaneous R3230 adenocarcinoma were randomized to 6 groups: a) sham; b&c) free or liposomal GM-CSF alone; d) RFA alone; or e&f) combined with blank liposomes or lip-GM-CSF. Animals were sacrificed 3 and 7 days post-RFA. Outcomes included immunohistochemistry of dendritic cells (DCs), M1 and M2 macrophages, T-helper cells (Th1) (CD4+), cytotoxic T- lymphocytes (CTL) (CD8+), T-regulator cells (T-reg) (FoxP3+) and Fas Ligand activated CTLs (Fas-L+) in the periablational rim and untreated index tumor. M1/M2, CD4+/CD8+ and CD8+/FoxP3+ ratios were calculated. Phase II, 40 rats with double tumors were randomized to 4 groups: a) sham, b) RFA, c) RFA-BL and d) RFA-lip-GM-CSF. Synchronous untreated tumors collected at 7d were analyzed similarly. RESULTS RFA-lip-GMCSF increased periablational M1, CTL and CD8+/FoxP3+ ratio at 3 and 7d, and activated CTLs 7d post-RFA (p<0.05). RFA-lip-GMSCF also increased M2, T-reg, and reduced CD4+/CD8+ 3 and 7d post-RFA respectively (p<0.05). In untreated index tumor, RFA-lip-GMCSF improved DCs, M1, CTLs and activated CTL 7d post-RFA (p<0.05). Furthermore, RFA-lip-GMSCF increased M2 at 3 and 7d, and T-reg 7d post-RFA (p<0.05). In synchronous tumors, RFA-BL and RFA-lip-GM-CSF improved DC, Th1 and CTL infiltration 7d post-RFA. CONCLUSION Systemic liposomal GM-CSF combined with RFA improves intratumoral immune cell trafficking, specifically populations initiating (DC, M1) and executing (CTL, FasL+) anti-tumor immunity. Moreover, liposomes influence synchronous untreated metastases increasing Th1, CTL and DCs infiltration.
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Affiliation(s)
- Marwan Moussa
- The Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts, United States of America
| | - Md. Raihan Chowdhury
- The Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts, United States of America
| | - David Mwin
- The Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts, United States of America
| | - Mohamed Fatih
- The Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts, United States of America
| | - Gokul Selveraj
- The Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts, United States of America
| | - Ahmed Abdelmonem
- The Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts, United States of America
| | - Mohamed Farghaly
- The Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts, United States of America
| | - Qianhui Dou
- The Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts, United States of America
| | - Nina Filipczak
- Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts, United States of America
| | - Tatyana Levchenko
- Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts, United States of America
| | - Vladimir P. Torchilin
- Department of Pharmaceutical Sciences, Northeastern University, Boston, Massachusetts, United States of America
| | - Vassiliki Boussiotis
- Department of Hemotolgy and Oncology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts, United States of America
| | - S. Nahum Goldberg
- The Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts, United States of America
- Department of Radiology, Hadassah Hebrew University Medical Center, Jerusalem, Israel
| | - Muneeb Ahmed
- The Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, Massachusetts, United States of America
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Berman DM, Lee AY, Lesurf R, Patel PG, Ebrahimizadeh W, Bayani J, Lee LA, Boufaied N, Selvarajah S, Jamaspishvili T, Guérard KP, Dion D, Kawashima A, Clarke GM, How N, Jackson CL, Scarlata E, Siddiqui K, Okello JBA, Aprikian AG, Moussa M, Finelli A, Chin J, Brimo F, Bauman G, Loblaw A, Venkateswaran V, Buttyan R, Chevalier S, Thomson A, Park PC, Siemens DR, Lapointe J, Boutros PC, Bartlett JMS. Multimodal Biomarkers That Predict the Presence of Gleason Pattern 4: Potential Impact for Active Surveillance. J Urol 2023; 210:257-271. [PMID: 37126232 DOI: 10.1097/ju.0000000000003507] [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: 04/19/2022] [Accepted: 04/20/2023] [Indexed: 05/02/2023]
Abstract
PURPOSE Latent grade group ≥2 prostate cancer can impact the performance of active surveillance protocols. To date, molecular biomarkers for active surveillance have relied solely on RNA or protein. We trained and independently validated multimodal (mRNA abundance, DNA methylation, and/or DNA copy number) biomarkers that more accurately separate grade group 1 from grade group ≥2 cancers. MATERIALS AND METHODS Low- and intermediate-risk prostate cancer patients were assigned to training (n=333) and validation (n=202) cohorts. We profiled the abundance of 342 mRNAs, 100 DNA copy number alteration loci, and 14 hypermethylation sites at 2 locations per tumor. Using the training cohort with cross-validation, we evaluated methods for training classifiers of pathological grade group ≥2 in centrally reviewed radical prostatectomies. We trained 2 distinct classifiers, PRONTO-e and PRONTO-m, and validated them in an independent radical prostatectomy cohort. RESULTS PRONTO-e comprises 353 mRNA and copy number alteration features. PRONTO-m includes 94 clinical, mRNAs, copy number alterations, and methylation features at 14 and 12 loci, respectively. In independent validation, PRONTO-e and PRONTO-m predicted grade group ≥2 with respective true-positive rates of 0.81 and 0.76, and false-positive rates of 0.43 and 0.26. Both classifiers were resistant to sampling error and identified more upgrading cases than a well-validated presurgical risk calculator, CAPRA (Cancer of the Prostate Risk Assessment; P < .001). CONCLUSIONS Two grade group classifiers with superior accuracy were developed by incorporating RNA and DNA features and validated in an independent cohort. Upon further validation in biopsy samples, classifiers with these performance characteristics could refine selection of men for active surveillance, extending their treatment-free survival and intervals between surveillance.
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Affiliation(s)
- D M Berman
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
| | - A Y Lee
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - R Lesurf
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
- Now with Hospital for Sick Children, Toronto, Ontario, Canada
| | - P G Patel
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
- Now with Hospital for Sick Children, Toronto, Ontario, Canada
| | - W Ebrahimizadeh
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- Now with IMV Inc, Dartmouth, Nova Scotia, Canada
| | - J Bayani
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathology, University of Toronto, Toronto, Ontario, Canada
| | - L A Lee
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - N Boufaied
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - S Selvarajah
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
- Now with University Health Network, Toronto, Ontario, Canada
| | - T Jamaspishvili
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
| | - K-P Guérard
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - D Dion
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - A Kawashima
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
- Now with Osaka University, Osaka, Japan
| | - G M Clarke
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - N How
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
- Hamilton Health Sciences, Hamilton, Ontario, Canada
| | - C L Jackson
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
| | - E Scarlata
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - K Siddiqui
- Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
- Now with Sultan Qaboos University Hospital, Seeb, Oman
| | - J B A Okello
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
| | - A G Aprikian
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - M Moussa
- Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
- London Regional Cancer Program, London Health Sciences Centre, London, Ontario, Canada
| | - A Finelli
- Princess Margaret Cancer Centre. Toronto, Ontario, Canada
- Departments of Surgery and Oncology, University of Toronto, Toronto, Ontario, Canada
| | - J Chin
- Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
- London Regional Cancer Program, London Health Sciences Centre, London, Ontario, Canada
| | - F Brimo
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- Department of Pathology, McGill University, Montreal, Quebec, Canada
| | - G Bauman
- Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
- London Regional Cancer Program, London Health Sciences Centre, London, Ontario, Canada
| | - A Loblaw
- Department of Radiation Oncology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
- Departments of Radiation Oncology and Health Policy Management and Evaluation, University of Toronto, Toronto
| | - V Venkateswaran
- Departments of Surgery and Oncology, University of Toronto, Toronto, Ontario, Canada
- Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
| | - R Buttyan
- Vancouver Prostate Centre, Vancouver, British Columbia, Canada
- Departments of Experimental Medicine and Interdisciplinary Oncology, Vancouver, British Columbia, Canada
| | - S Chevalier
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - A Thomson
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- Now with College of Science and Engineering Biology, University of Edinburgh, Edinburgh, United Kingdom
| | - P C Park
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
- Now with Department of Pathology, Shared Health, Winnipeg, Manitoba, Canada
| | - D R Siemens
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Departments of Urology, Oncology and Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada
| | - J Lapointe
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - P C Boutros
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
- Now with University of California, Los Angeles, Los Angeles, California, United States
| | - J M S Bartlett
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathology, University of Toronto, Toronto, Ontario, Canada
- Edinburgh Cancer Research Centre, University of Edinburgh, Edinburgh, United Kingdom
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Ramalingam V, Degerstedt S, Moussa M, Ahmed M. Abstract No. 154 Safety and Efficacy of CT-Guided Cryoablation for Recurrent Prostate Cancer. J Vasc Interv Radiol 2023. [DOI: 10.1016/j.jvir.2022.12.208] [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: 02/27/2023] Open
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Richardson M, Bonnet JP, Domanski O, Coulon C, Constans B, Estevez-Gonzalez M, Gautier S, Marsili L, Yasmine O, Brigadeau F, Schurtz G, Coisne A, Mugnier A, Juthier F, Moussa M, Mounier-Vehier C, Lemesle G, Lamblin N, Montaigne D, Ghesquiere L. Pregnancy in women with cardiac disease: Management and outcomes in a European cardio-obstetric team. Archives of Cardiovascular Diseases Supplements 2023. [DOI: 10.1016/j.acvdsp.2022.10.308] [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: 12/31/2022]
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Dou Q, Grant AK, Callahan C, Coutinho de Souza P, Mwin D, Booth AL, Nasser I, Moussa M, Ahmed M, Tsai LL. PFKFB3-mediated Pro-glycolytic Shift in Hepatocellular Carcinoma Proliferation. Cell Mol Gastroenterol Hepatol 2022; 15:61-75. [PMID: 36162723 PMCID: PMC9672450 DOI: 10.1016/j.jcmgh.2022.09.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 09/07/2022] [Accepted: 09/15/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND & AIMS Metabolic reprogramming, in particular, glycolytic regulation, supports abnormal survival and growth of hepatocellular carcinoma (HCC) and could serve as a therapeutic target. In this study, we sought to identify glycolytic regulators in HCC that could be inhibited to prevent tumor progression and could also be monitored in vivo, with the goal of providing a theragnostic alternative to existing therapies. METHODS An orthotopic HCC rat model was used. Tumors were stimulated into a high-proliferation state by use of off-target liver ablation and were compared with lower-proliferating controls. We measured in vivo metabolic alteration in tumors before and after stimulation, and between stimulated tumors and control tumors using hyperpolarized 13C magnetic resonance imaging (MRI) (h13C MRI). We compared metabolic alterations detected by h13C MRI to metabolite levels from ex vivo mass spectrometry, mRNA levels of key glycolytic regulators, and histopathology. RESULTS Glycolytic lactate flux increased within HCC tumors 3 days after tumor stimulation, correlating positively with tumor proliferation as measured with Ki67. This was associated with a shift towards aerobic glycolysis and downregulation of the pentose phosphate pathway detected by mass spectrometry. MRI-measured lactate flux was most closely coupled with PFKFB3 expression and was suppressed with direct inhibition using PFK15. CONCLUSIONS Inhibition of PFKFB3 prevents glycolytic-mediated HCC proliferation, trackable by in vivo h13C MRI.
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Affiliation(s)
- Qianhui Dou
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Aaron K Grant
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Cody Callahan
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Patricia Coutinho de Souza
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - David Mwin
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Adam L Booth
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Imad Nasser
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Marwan Moussa
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Muneeb Ahmed
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Leo L Tsai
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts.
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Abdelmonem A, Chowdhury M, Boussiotis V, Moussa M, Ahmed M. Abstract No. 354 Effect of variable radiofrequency ablation (RFA) thermal doses on intratumoral antigen presenting cell (APC) trafficking. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.435] [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: 11/28/2022] Open
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11
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Parksook WW, Yozamp N, Hundemer GL, Moussa M, Underhill J, Fudim T, Sacks B, Vaidya A. Morphologically Normal-Appearing Adrenal Glands as a Prevalent Source of Aldosterone Production in Primary Aldosteronism. Am J Hypertens 2021; 35:561-571. [PMID: 34883509 PMCID: PMC9890245 DOI: 10.1093/ajh/hpab189] [Citation(s) in RCA: 6] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/19/2021] [Accepted: 12/06/2021] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Normal-appearing adrenal glands on cross-sectional imaging may still be the source of aldosterone production in primary aldosteronism (PA). METHODS We evaluated the prevalence of aldosterone production among morphologically normal-appearing adrenal glands and the impact of this phenomenon on interpretations of localization studies and treatment decisions. We performed a retrospective cohort study of PA patients with at least 1 normal adrenal gland and reanalyzed contemporary studies to assess interpretations of imaging and adrenal venous sampling (AVS) at the individual patient and adrenal levels. RESULTS Among 243 patients, 43 (18%) had bilateral normal-appearing adrenals and 200 (82%) had a unilateral normal-appearing adrenal, for a total of 286 normal-appearing adrenal glands. 38% of these normal-appearing adrenal glands were a source of aldosteronism on AVS, resulting in discordance between imaging and AVS findings in 31% of patients. Most patients with lateralizing PA underwent curative unilateral treatment (80%); however, curative treatment was pursued in 92% of patients who had concordant imaging-AVS results but in only 38% who had discordant results (P < 0.05). In young patients, imaging-AVS discordance was detected in 32% of those under 45 years and 21% of those under 35 years. Among 20 contemporary studies (including 4,904 patients and 6,934 normal-appearing adrenal glands), up to 64% of normal-appearing adrenals were a source of aldosteronism resulting in 31% of patients having discordant results. CONCLUSIONS Morphologically normal-appearing adrenal glands are commonly the source of aldosterone production in PA, even among young patients. The lack of awareness of this issue may result in inappropriate treatment recommendations.
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Affiliation(s)
- Wasita W Parksook
- Center for Adrenal Disorders, Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA,Department of Medicine (Division of Endocrinology and Metabolism, and Division of General Internal Medicine), Faculty of Medicine, Chulalongkorn University, and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Nicholas Yozamp
- Center for Adrenal Disorders, Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Gregory L Hundemer
- Department of Medicine (Division of Nephrology) and the Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Ontario, Canada
| | - Marwan Moussa
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Jonathan Underhill
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Tali Fudim
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Barry Sacks
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
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Yozamp N, Hundemer GL, Moussa M, Underhill J, Fudim T, Sacks B, Vaidya A. Adrenocorticotropic Hormone-Stimulated Adrenal Venous Sampling Underestimates Surgically Curable Primary Aldosteronism: A Retrospective Cohort Study and Review of Contemporary Studies. Hypertension 2021; 78:94-103. [PMID: 33993726 DOI: 10.1161/hypertensionaha.121.17248] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [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] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Nicholas Yozamp
- From the Center for Adrenal Disorders, Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Harvard Medical School, Boston, MA (N.Y., A.V.)
| | - Gregory L Hundemer
- Division of Nephrology, Department of Medicine and the Ottawa Hospital Research Institute, University of Ottawa, Canada (G.L.H.)
| | - Marwan Moussa
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA (M.M., J.U., T.F., B.S.)
| | - Jonathan Underhill
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA (M.M., J.U., T.F., B.S.)
| | - Tali Fudim
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA (M.M., J.U., T.F., B.S.)
| | | | - Anand Vaidya
- From the Center for Adrenal Disorders, Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Harvard Medical School, Boston, MA (N.Y., A.V.)
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Vincentelli A, Soquet J, Deblauwe D, Rousse N, Loobuyck V, Goeminne C, Mugnier A, Gantois G, Bical A, Moussa M, Robin E, Juthier F. Organ Care System for High Risk Transplantation: A New Paradigm. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.574] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Moussa M, Cauvin E, Le Piouffle A, Lucas O, Bidault A, Paillard C, Benoit F, Thuillier B, Treilles M, Travers MA, Garcia C. A MALDI-TOF MS database for fast identification of Vibrio spp. potentially pathogenic to marine mollusks. Appl Microbiol Biotechnol 2021; 105:2527-2539. [PMID: 33590268 PMCID: PMC7954726 DOI: 10.1007/s00253-021-11141-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [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: 10/16/2020] [Revised: 01/15/2021] [Accepted: 01/25/2021] [Indexed: 02/05/2023]
Abstract
In mollusk aquaculture, a large number of Vibrio species are considered major pathogens. Conventional methods based on DNA amplification and sequencing used to accurately identify Vibrio species are unsuitable for monitoring programs because they are time-consuming and expensive. The aim of this study was, therefore, to develop the MALDI-TOF MS method in order to establish a rapid identification technique for a large panel of Vibrio species. We created the EnviBase containing 120 main spectra projections (MSP) of the Vibrio species that are potentially responsible for mollusk diseases, comprising 25 species: V. aestuarianus, V. cortegadensis, V. tapetis and species belonging to the Coralliilyticus, Harveyi, Mediterranei, and Orientalis clades. Each MSP was constructed by the merger of raw spectra obtained from three different media and generated by three collaborating laboratories to increase the diversity of the conditions and thus obtain a good technique robustness. Perfect discrimination was obtained with all of the MSP created for the Vibrio species and even for very closely related species as V. europaeus and V. bivalvicida. The new EnviBase library was validated through a blind test on 100 Vibrio strains performed by our three collaborators who used the direct transfer and protein extraction methods. The majority of the Vibrio strains were successfully identified with the newly created EnviBase by the three laboratories for both protocol methods. This study documents the first development of a freely accessible database exclusively devoted to Vibrio found in marine environments, taking into account the high diversity of this genus. KEY POINTS: • Development of a MALDI-TOF MS database to quickly affiliate Vibrio species. • Increase of the reactivity when faced with Vibrio associated with mollusk diseases. • Validation of MALDI-TOF MS as routine diagnostic tool.
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Affiliation(s)
- M Moussa
- Ifremer, SG2M-LGPMM, Laboratoire de Génétique et Pathologie des Mollusques Marins, F-17390, La Tremblade, France
| | - E Cauvin
- Labeo-Manche, 1352 avenue de Paris, 50000, Saint-Lô, France
| | - A Le Piouffle
- Labocea, Avenue de la Plage des Gueux, 29330, Quimper, France
| | - O Lucas
- Qualyse, ZI Montplaisir, 79220, Champdeniers Saint-Denis, France
| | - A Bidault
- Univ Brest, CNRS, IRD, Ifremer, UMR6539 LEMAR, F-29280, Plouzané, France
| | - C Paillard
- Univ Brest, CNRS, IRD, Ifremer, UMR6539 LEMAR, F-29280, Plouzané, France
| | - F Benoit
- Labeo-Manche, 1352 avenue de Paris, 50000, Saint-Lô, France
| | - B Thuillier
- Labocea, Avenue de la Plage des Gueux, 29330, Quimper, France
| | - M Treilles
- Qualyse, ZI Montplaisir, 79220, Champdeniers Saint-Denis, France
| | - M A Travers
- Ifremer, SG2M-LGPMM, Laboratoire de Génétique et Pathologie des Mollusques Marins, F-17390, La Tremblade, France
- IHPE, Univ. Montpellier, CNRS, Ifremer, Univ. Perpignan Via Domitia, F-34090, Montpellier, France
| | - Céline Garcia
- Ifremer, SG2M-LGPMM, Laboratoire de Génétique et Pathologie des Mollusques Marins, F-17390, La Tremblade, France.
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15
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Yozamp N, Hundemer GL, Moussa M, Underhill J, Fudim T, Sacks B, Vaidya A. Variability of Aldosterone Measurements During Adrenal Venous Sampling for Primary Aldosteronism. Am J Hypertens 2021; 34:34-45. [PMID: 33179734 PMCID: PMC7891268 DOI: 10.1093/ajh/hpaa151] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [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: 07/27/2020] [Revised: 08/24/2020] [Accepted: 10/26/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Variability of aldosterone concentrations has been described in patients with primary aldosteronism. METHODS We performed a retrospective cohort study of 340 patients with primary aldosteronism who underwent adrenal venous sampling (AVS) at a tertiary referral center, 116 of whom also had a peripheral venous aldosterone measured hours before the procedure. AVS was performed by the same interventional radiologist using bilateral, simultaneous sampling, under unstimulated and then stimulated conditions, and each sample was obtained in triplicate. Main outcome measures were: (i) change in day of AVS venous aldosterone from pre-AVS to intra-AVS and (ii) variability of triplicate adrenal venous aldosterone concentrations during AVS. RESULTS Within an average duration of 131 minutes, 81% of patients had a decline in circulating aldosterone concentrations (relative decrease of 51% and median decrease of 7.0 ng/dl). More than a quarter (26%) of all patients had an inferior vena cava aldosterone of ≤5 ng/dl at AVS initiation. The mean coefficient of variation of triplicate adrenal aldosterone concentrations was 30% and 39%, in the left and right veins, respectively (corresponding to a percentage difference of 57% and 73%), resulting in lateralization discordance in up to 17% of patients if the lateralization index were calculated using only one unstimulated aldosterone-to-cortisol ratio rather than the average of triplicate measures. CONCLUSIONS Circulating aldosterone levels can reach nadirs conventionally considered incompatible with the primary aldosteronism diagnosis, and adrenal venous aldosterone concentrations exhibit acute variability that can confound AVS interpretation. A single venous aldosterone measurement lacks precision and reproducibility in primary aldosteronism.
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Affiliation(s)
- Nicholas Yozamp
- Center for Adrenal Disorders, Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Gregory L Hundemer
- Division of Nephrology, The Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
| | - Marwan Moussa
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Johnathan Underhill
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Tali Fudim
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Barry Sacks
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Anand Vaidya
- Center for Adrenal Disorders, Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
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16
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Cordero-Soto I, Castillo-Araiza C, Rutiaga-Quiñones O, Moussa M, Béal C, Gallegos-Infante A, Soto-Cruz N, Ochoa-Martínez L, Huerta-Ochoa S. Intensification of 2-phenylethanol production using an aerated system assisted by a membrane-based solvent extraction technique. RMIQ 2021. [DOI: 10.24275/rmiq/bio2060] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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17
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Yozamp N, Hundemer GL, Moussa M, Underhill J, Fudim T, Sacks B, Vaidya A. Intraindividual Variability of Aldosterone Concentrations in Primary Aldosteronism: Implications for Case Detection. Hypertension 2020; 77:891-899. [PMID: 33280409 DOI: 10.1161/hypertensionaha.120.16429] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [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: 12/28/2022]
Abstract
Primary aldosteronism is an underdiagnosed cause of hypertension. Although inadequate screening is one reason for underdiagnosis, another important contributor is that clinicians may inappropriately exclude the diagnosis when screening aldosterone concentrations fall below traditionally established thresholds. We evaluated the intraindividual variability in screening aldosterone concentrations and aldosterone-to-renin ratios, and how this variability could impact case detection, among 51 patients with confirmed primary aldosteronism who had 2 or more screening measurements of renin and aldosterone on different days. There were a total of 137 screening measurements with a mean of 3 (range 2-6) per patient. The mean intraindividual variability, expressed as coefficients of variation, was 31% for aldosterone and 45% for the aldosterone-to-renin ratio. Aldosterone concentrations ranged from 4.9 to 51 ng/dL; 49% of patients had at least one aldosterone measurement below 15 ng/dL, 29% had at least 2 aldosterone measurements below 15 ng/dL, and 29% had at least one measurement below 10 ng/dL. Individual aldosterone-to-renin ratios ranged from 8.2 to 427 ng/dL per ng/mL·hour; 57% had at least one ratio below 30 ng/dL per ng/mL·hour, 27% had at least 2 ratios below 30 ng/dL per ng/mL·hour, and 24% had at least one ratio below 20 ng/dL per ng/mL·hour. Aldosterone concentrations and aldosterone-to-renin ratios are highly variable in patients with primary aldosteronism, with many screening values falling below conventionally accepted diagnostic thresholds. The diagnostic yield for primary aldosteronism may be substantially increased by recalibrating the definition of a positive screen to include more liberal thresholds for aldosterone and the aldosterone-to-renin ratio.
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Affiliation(s)
- Nicholas Yozamp
- From the Center for Adrenal Disorders, Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital (N.Y., A.V.), Harvard Medical School, Boston, MA
| | - Gregory L Hundemer
- Division of Nephrology, The Ottawa Hospital, University of Ottawa, Canada (G.L.H.)
| | - Marwan Moussa
- Department of Radiology, Beth Israel Deaconess Medical Center (M.M., J.U., T.F., B.S.), Harvard Medical School, Boston, MA
| | - Jonathan Underhill
- Department of Radiology, Beth Israel Deaconess Medical Center (M.M., J.U., T.F., B.S.), Harvard Medical School, Boston, MA
| | - Tali Fudim
- Department of Radiology, Beth Israel Deaconess Medical Center (M.M., J.U., T.F., B.S.), Harvard Medical School, Boston, MA
| | - Barry Sacks
- Department of Radiology, Beth Israel Deaconess Medical Center (M.M., J.U., T.F., B.S.), Harvard Medical School, Boston, MA
| | - Anand Vaidya
- From the Center for Adrenal Disorders, Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital (N.Y., A.V.), Harvard Medical School, Boston, MA
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Barrabé A, Louvrier A, Allary R, Moussa M, Boutros M, Bénateau H. Infantile and adult mortality in precarious conditions. Journal of Stomatology, Oral and Maxillofacial Surgery 2020; 121:49-52. [DOI: 10.1016/j.jormas.2019.04.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 04/16/2019] [Accepted: 04/21/2019] [Indexed: 10/26/2022]
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Vincent F, Rauch A, Desvages M, Spillemaeker H, Rousse N, Dupont A, Jeanpierre E, Delhaye C, Moussa M, Vincentelli A, Verdier B, Debry N, Lassalle F, Susen S, Van Belle E. P1838Thrombocytopenia under ECMO and Shear-induced shedding of platelet receptor Glycoprotein-(GP)Ialpha. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0590] [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: 11/12/2022] Open
Abstract
Abstract
Background
Several mechanisms are suspected to thrombocytopenia under Extracorporeal Membrane Oxygenation (ECMO) such as platelet-consumption or sepsis. Shedding of glycoprotein-(GP)Ibα is a recently identified mechanism of platelet clearance. ECMO generates high shear stress forces that could impact GPIbα-shedding. We hypothesized that ECMO continuous-flow devices could directly induce thrombocytopenia through shear-induced GPIbα-shedding.
Aims
Determine if ECMO induce GpIb-shedding in vitro and in vivo and determinates the kinetic evolution of platelet-count and GpIb-shedding after patient's implantation.
Methods
Platelet GPIbα-shedding was first investigated in vitro using a high-shear pump loop model. Plasma with normal platelet count (plasma-NPC) was obtained by dilution of platelet-rich plasma obtained from healthy donors in fresh-frozen-plasma. Samples were collected before and after (5, 30, 60 and 180 min) perfusion at 37°C of plasma-NPC at intermediate and high speed (2.6 and 3.6 L min–1 respectively, n=4 each). Platelet count and GPIbα-shedding were next investigated in 20 ECMO patients before/after implantation (WITECMO trial) and in 20 healthy volunteers. The geometric mean-fluorescence-intensity (gMFI) of platelet GPIbα (PE-staining) and GPIX (FITC-staining) was measured with a Navios flow cytometer (Beckman Coulter, Miami, FL). Results are expressed as GPIbα/GPIX gMFI-ratio.
Results
A significant time-dependent loss of GPIbα/GPIX gMFI-ratio was already apparent after 30 min in vitro and was significantly more pronounced at high-speed compared to intermediate-speed (pANOVA<0.001 and p<0.01 at 180 min respectively). GPIbα/GPIX gMFI-ratio was significantly increased in ECMO patients compared to healthy subjects 1- and 24-hour after implantation (p<0.001). A significantly lower platelet count was observed 1 hour after ECMO implantation (−23% vs baseline, p<0.01) with a further significant decrease at 24-hours (−53% vs baseline, p<0.0001).
Figure 1. A. Significant time-dependent loss of platelet GPIbα/GPIX gMFI-ratio (pANOVA <0.001) assessed by flow-cytometry after 30 min of perfusion at 3.6 L/min with a high-shear continuous-flow device in vitro. B. Representative experiment showing the apparition of a platelet sub-population with loss of GPIbα expression after 30 min of perfusion at 3.6 L/minwith a high-shear continuous-flow device in vitro.
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Affiliation(s)
- F Vincent
- Lille University Hospital, Interventional Coronary and Structural Cardiology, Institut Coeur Poumon, Lille, France
| | - A Rauch
- Lille University Hospital, Hematology and Transfusion, Lille, France
| | - M Desvages
- Lille University Hospital, Hematology and Transfusion, Lille, France
| | - H Spillemaeker
- Lille University Hospital, Interventional Coronary and Structural Cardiology, Institut Coeur Poumon, Lille, France
| | - N Rousse
- Lille University Hospital, Department of Cardiac Surgery, Lille, France
| | - A Dupont
- Lille University Hospital, Hematology and Transfusion, Lille, France
| | - E Jeanpierre
- Lille University Hospital, Hematology and Transfusion, Lille, France
| | - C Delhaye
- Lille University Hospital, Interventional Coronary and Structural Cardiology, Institut Coeur Poumon, Lille, France
| | - M Moussa
- Lille University Hospital, Intensive Care Unit and Anesthesia, Lille, France
| | - A Vincentelli
- Lille University Hospital, Department of Cardiac Surgery, Lille, France
| | - B Verdier
- Lille University Hospital, Interventional Coronary and Structural Cardiology, Institut Coeur Poumon, Lille, France
| | - N Debry
- Lille University Hospital, Interventional Coronary and Structural Cardiology, Institut Coeur Poumon, Lille, France
| | - F Lassalle
- Lille University Hospital, Hematology and Transfusion, Lille, France
| | - S Susen
- Lille University Hospital, Hematology and Transfusion, Lille, France
| | - E Van Belle
- Lille University Hospital, Interventional Coronary and Structural Cardiology, Institut Coeur Poumon, Lille, France
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Drabkin MJ, Donaldson J, Fogel J, Huang J, Klobuka A, Loya MF, Moussa M, Patel K, Misono A. Radiology and Political Advocacy: Characterizing Radiology Political Action Committee Donors. Curr Probl Diagn Radiol 2019; 48:448-451. [DOI: 10.1067/j.cpradiol.2018.08.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 08/29/2018] [Accepted: 08/29/2018] [Indexed: 11/22/2022]
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21
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Smith C, Hoover D, Surry K, D'Souza D, Cool D, Gomez-Lemus J, Moussa M, Bauman G, Ward A. Does MRI Prostatic Lesion Targeting Using High Dose Rate Brachytherapy Lead to Elevated Dose to the Corresponding Histologic Lesions. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1771] [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: 10/26/2022]
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22
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Khalil C, Moussa M, Azar A, Tawk J, Habbouche J, Salameh R, Ibrahim A, Alaaeddine N. Anti-proliferative effects of mesenchymal stem cells (MSCs) derived from multiple sources on ovarian cancer cell lines: an in-vitro experimental study. J Ovarian Res 2019; 12:70. [PMID: 31351482 PMCID: PMC6660927 DOI: 10.1186/s13048-019-0546-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [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: 06/06/2019] [Accepted: 07/18/2019] [Indexed: 12/18/2022] Open
Abstract
Mesenchymal stem cells (MSCs) have surfaced as ideal candidates for treatment of different therapeutically challenging diseases however their effect on cancer cells is not well determined. In this study, we investigated the effect of MSCs derived from human bone marrow (BM), adipose tissue (AT), and umbilical cord derived MSCs (UC-MSCs) on ovarian cancer.Measurements of ovarian tumor marker proteins were computed by ELISA. Proliferative, apoptosis and anti-inflammatory effects of the MSCs were measured by Flow cytometry (FCM). MMPs expression was measured by RT-PCR.The co-culture of cancer cell lines OVCAR3, CAOV3, IGROV3 and SKOV3 with the conditioned media of MSCs (CM-MSC) and MSCs showed an increase in cellular apoptosis, along with a reduction in the level of CA-125 and a decline of LDH and beta-hCG. A decrease in CD24 of the cancer cell lines in co-culture with the CM-MSCs showed a reduction of the cancer tumorigenicity. In addition, the invasion and aggressiveness of cancer cell lines was significantly decreased by CM-MSC; this was translated by a decrease in MMP-2, MMP-9, and CA-125 mRNA expression, and an increase in TIMP 1, 2, and 3 mRNA expression. An increase in IL-4 and IL-10 cytokines, and a decrease in GM-CSF, IL-6, and IL-9, were also noted.In conclusion, mesenchymal stem cells derived from different sources and their conditioned media appear to have a major role in inhibition of cancer aggressiveness and might be considered as a potential therapeutic tool in ovarian cancer.
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Affiliation(s)
- C Khalil
- Regenerative Medicine and Inflammation Laboratory, Faculty of Medicine, Saint-Joseph University, Beirut, Lebanon
- Reviva Research and Application Center-Lebanese University, Middle East Institute of Health University Hospital, Beirut, Lebanon
| | - M Moussa
- Regenerative Medicine and Inflammation Laboratory, Faculty of Medicine, Saint-Joseph University, Beirut, Lebanon
| | - A Azar
- Reviva Research and Application Center-Lebanese University, Middle East Institute of Health University Hospital, Beirut, Lebanon
| | - J Tawk
- Regenerative Medicine and Inflammation Laboratory, Faculty of Medicine, Saint-Joseph University, Beirut, Lebanon
| | - J Habbouche
- Reviva Research and Application Center-Lebanese University, Middle East Institute of Health University Hospital, Beirut, Lebanon
| | - R Salameh
- Reviva Research and Application Center-Lebanese University, Middle East Institute of Health University Hospital, Beirut, Lebanon
| | - A Ibrahim
- Reviva Research and Application Center-Lebanese University, Middle East Institute of Health University Hospital, Beirut, Lebanon
- Faculty of Medicine, Lebanese University, Beirut, Lebanon
| | - N Alaaeddine
- Regenerative Medicine and Inflammation Laboratory, Faculty of Medicine, Saint-Joseph University, Beirut, Lebanon.
- Neuroscience Research Center, Faculty of Medical Sciences, Lebanese University, Beirut, Lebanon.
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Chemarin F, Moussa M, Allais F, Trelea I, Athès V. Recovery of 3-hydroxypropionic acid from organic phases after reactive extraction with amines in an alcohol-type solvent. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.02.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Lebrun C, Vukusic S, Abadie V, Achour C, Ader F, Alchaar H, Alkhedr A, Andreux F, Androdias G, Arjmand R, Audoin B, Audry D, Aufauvre D, Autreaux C, Ayrignac X, Bailbe M, Benazet M, Bensa C, Bensmail D, Berger E, Bernady P, Bertagna Y, Biotti D, Blanchard-Dauphin A, Bonenfant J, Bonnan M, Bonnemain B, Borgel F, Botelho-Nevers E, Boucly S, Bourre B, Boutière C, Branger P, Brassat D, Bresch S, Breuil V, Brochet B, Brugeilles H, Bugnon P, Cabre P, Camdessanché JP, Carra-Dalière C, Casez O, Chamouard JM, Chassande B, Chataignier P, Chbicheb M, Chenet A, Ciron J, Clavelou P, Cohen M, Colamarino R, Collongues N, Coman I, Corail PR, Courtois S, Coustans M, Creange A, Creisson E, Daluzeau N, Davenas C, De Seze J, Debouverie M, Depaz R, Derache N, Divio L, Douay X, Dulau C, Durand-Dubief F, Edan G, Elias Z, Fagniez O, Faucher M, Faucheux JM, Fournier M, Gagneux-Brunon A, Gaida P, Galli P, Gallien P, Gaudelus J, Gault D, Gayou A, Genevray M, Gentil A, Gere J, Gignoux L, Giroux M, Givron P, Gout O, Grimaud J, Guennoc AM, Hadhoum N, Hautecoeur P, Heinzlef O, Jaeger M, Jeannin S, Kremer L, Kwiatkowski A, Labauge P, Labeyrie C, Lachaud S, Laffont I, Lanctin-Garcia C, Lannoy J, Lanotte L, Laplaud D, Latombe D, Lauxerois M, Le Page E, Lebrun-Frenay C, Lejeune P, Lejoyeux P, Lemonnier B, Leray E, Loche CM, Louapre C, Lubetzki C, Maarouf A, Mada B, Magy L, Maillart E, Manchon E, Marignier R, Marque P, Mathey G, Maurousset A, Mekies C, Merienne M, Michel L, Milor AM, Moisset X, Montcuquet A, Moreau T, Morel N, Moussa M, Naudillon JP, Normand M, Olive P, Ouallet JC, Outteryck O, Pacault C, Papeix C, Patry I, Peaureaux D, Pelletier J, Pichon B, Pittion S, Planque E, Pouget MC, Pourcher V, Radot C, Robert I, Rocher F, Ruet A, Ruet A, Saint-Val C, Salle JY, Salmon A, Sartori E, Schaeffer S, Stankhof B, Taithe F, Thouvenot E, Tizon C, Tourbah A, Tourniaire P, Vaillant M, Vermersch P, Vidil S, Wahab A, Warter MH, Wiertlewski S, Wiplosz B, Wittwer B, Zaenker C, Zephir H. Immunization and multiple sclerosis: Recommendations from the French Multiple Sclerosis Society. Rev Neurol (Paris) 2019; 175:341-357. [DOI: 10.1016/j.neurol.2019.04.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 03/31/2019] [Accepted: 04/11/2019] [Indexed: 10/26/2022]
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25
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Bader R, Ibrahim JN, Moussa M, Mourad A, Azoury J, Azoury J, Alaaeddine N. In vitro
effect of autologous platelet‐rich plasma on H
2
O
2
‐induced oxidative stress in human spermatozoa. Andrology 2019; 8:191-200. [DOI: 10.1111/andr.12648] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 04/11/2019] [Accepted: 04/11/2019] [Indexed: 12/14/2022]
Affiliation(s)
- R. Bader
- Mount Lebanon HospitalAzoury IVF Clinic Beirut Lebanon
- Faculty of Medicine Regenerative Medicine and Inflammation Laboratory Saint‐Joseph University Beirut Lebanon
| | - J. N. Ibrahim
- Faculty of Public Health II Medical Laboratory Department Lebanese University Beirut Lebanon
| | - M. Moussa
- Faculty of Medicine Regenerative Medicine and Inflammation Laboratory Saint‐Joseph University Beirut Lebanon
| | - A. Mourad
- Department of Obstetrics and Gynecology American University of Beirut Medical Center Beirut Lebanon
| | - J. Azoury
- OB‐GYN Department Inova Fairfax Hospital Falls Church VA USA
| | - J. Azoury
- Mount Lebanon HospitalAzoury IVF Clinic Beirut Lebanon
| | - N. Alaaeddine
- Faculty of Medical Sciences Neuroscience Research CenterLebanese University Beirut Lebanon
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26
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Desvages M, Rauch A, Jeanpierre E, Ung A, Loobuyck V, Juthier F, Vincentelli A, Moussa M, Robin E, Vincent F, Van Belle E, Dupont A, Susen S. Continuous-flow mechanical circulatory support induces shedding of platelet adhesion receptors GpIb and GpVI. Archives of Cardiovascular Diseases Supplements 2019. [DOI: 10.1016/j.acvdsp.2019.02.029] [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: 10/27/2022]
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27
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Moussa M, Abou Chakra M. Prostate surgery in severe congenital factor VII deficiency: A case report. Urol Case Rep 2018; 22:11-12. [PMID: 30306050 PMCID: PMC6175747 DOI: 10.1016/j.eucr.2018.09.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 09/27/2018] [Accepted: 09/28/2018] [Indexed: 01/19/2023] Open
Affiliation(s)
- M Moussa
- Head of Urology Department, Zahraa University Hospital, Beirut, Lebanon
| | - M Abou Chakra
- Faculty of Medical Sciences, Department of Urology, Lebanese University, Beirut, Lebanon
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28
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Moussa M, Dugan J, Jones C, Fink B, Parquette B, Ziehr J, Rega P. 33 How Competent Are Emergency Medicine Residents in Applying Commercial Tourniquets? A Pilot Study. Ann Emerg Med 2018. [DOI: 10.1016/j.annemergmed.2018.08.038] [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: 11/25/2022]
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29
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Spillemaeker H, Dupont A, Kauskot A, Rauch A, Vincent F, Borgel D, Moussa M, Rousse N, Nix C, Staels B, Vincentelli A, Denis C, Lenting P, Susen S, Van Belle E. 5065Platelet desialylation induced by high shear-stress mechanical circulatory support. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.5065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
| | | | - A Kauskot
- Bicetre University Hospital, Le Kremlin-Bicetre, France
| | | | | | - D Borgel
- Bicetre University Hospital, Le Kremlin-Bicetre, France
| | | | | | - C Nix
- Abiomed GmbH, Aachen, Germany
| | - B Staels
- Institute Pasteur of Lille, Lille, France
| | | | - C Denis
- Bicetre University Hospital, Le Kremlin-Bicetre, France
| | - P Lenting
- Bicetre University Hospital, Le Kremlin-Bicetre, France
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30
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Vincent F, Rauch A, Loobuyck V, Nix C, Vincentelli A, Leprince P, Smadja D, Jansen P, Debry N, Moussa M, Carpentier A, Spillemaeker H, Lenting P, Susen S, Van Belle E. P2659Modulation of the acquired VWF defect by arterial pulsatility in continuous-flow mechanical circulatory devices. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p2659] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- F Vincent
- Lille University Hospital, Interventional cardiology, Lille, France
| | - A Rauch
- Lille University Hospital, Hematology and transfusion, Lille, France
| | - V Loobuyck
- Lille University Hospital, Department of cardiac surgery, Lille, France
| | - C Nix
- Abiomed Gmbh, Aachen, Germany
| | - A Vincentelli
- Lille University Hospital, Department of cardiac surgery, Lille, France
| | - P Leprince
- Hospital Pitie-Salpetriere, Department of cardiac surgery, Paris, France
| | - D Smadja
- Hospital Pitie-Salpetriere, Department of hematology, Paris, France
| | - P Jansen
- CARMATSAS, Velizy Villacoublay, France
| | - N Debry
- Lille University Hospital, Interventional cardiology, Lille, France
| | - M Moussa
- Lille University Hospital, Intensive care unit and anesthesia, Lille, France
| | | | - H Spillemaeker
- Lille University Hospital, Interventional cardiology, Lille, France
| | - P Lenting
- Inserm U1176, Le Kremlin Bicètre, France
| | - S Susen
- Lille University Hospital, Hematology and transfusion, Lille, France
| | - E Van Belle
- Lille University Hospital, Interventional cardiology, Lille, France
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31
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Moussa M, Abou Chakra M. Urothelial carcinoma arising from a bladder diverticulum containing multiple stones: A case report. Urol Case Rep 2018; 20:80-82. [PMID: 30035095 PMCID: PMC6052197 DOI: 10.1016/j.eucr.2018.07.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/08/2018] [Accepted: 07/10/2018] [Indexed: 11/06/2022] Open
Affiliation(s)
- M Moussa
- Urology Department, Zahraa University Hospital, Beirut, Lebanon
| | - M Abou Chakra
- Faculty of Medical Sciences, Department of Urology, Lebanese University, Beirut, Lebanon
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32
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Moussa M, Abou Chakra M. Granulomatous hepatitis caused by Bacillus Calmette-Guerin (BCG) infection after BCG bladder instillation: A case report. Urol Case Rep 2018; 20:3-4. [PMID: 29984182 PMCID: PMC6028279 DOI: 10.1016/j.eucr.2018.05.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 05/10/2018] [Indexed: 12/01/2022] Open
Affiliation(s)
- M Moussa
- Head of Urology Department, Zahraa University Hospital, Beirut, Lebanon
| | - M Abou Chakra
- Faculty of Medical Sciences, Department of Urology, Lebanese University, Beirut, Lebanon
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33
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Chemarin F, Moussa M, Allais F, Athès V, Trelea I. Mechanistic modeling and equilibrium prediction of the reactive extraction of organic acids with amines: A comparative study of two complexation-solvation models using 3-hydroxypropionic acid. Sep Purif Technol 2017. [DOI: 10.1016/j.seppur.2017.07.083] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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34
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Kessler MM, Moussa M, Bykowski J, Kirsch CF, Aulino JM, Berger KL, Choudhri AF, Fife TD, Germano IM, Kendi AT, Kim JH, Luttrull MD, Nunez D, Shah LM, Sharma A, Shetty VS, Symko SC, Cornelius RS. ACR Appropriateness Criteria ® Tinnitus. J Am Coll Radiol 2017; 14:S584-S591. [DOI: 10.1016/j.jacr.2017.08.052] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 08/23/2017] [Indexed: 10/18/2022]
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35
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Al-Kandari S, Alsalem A, Al-Mutairi S, Al-Lumai D, Dawoud A, Moussa M. Association between sleep hygiene awareness and practice with sleep quality among Kuwait University students. Sleep Health 2017; 3:342-347. [DOI: 10.1016/j.sleh.2017.06.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 06/14/2017] [Accepted: 06/26/2017] [Indexed: 12/30/2022]
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36
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Innabi A, Alzghoul B, Kamimoto JJ, Al-Shoha M, Chatterjee K, Moussa M, Joshi M. Clinical Vignettes/Case Reports - Esophagus. Am J Gastroenterol 2017; 112:S886-S966. [PMID: 28981058 DOI: 10.1038/ajg.2017.315] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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37
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Wijaya C, Moussa M, Rafferty M, Limaye S. P81: AN AUDIT OF SUBCUTANEOUS IMMUNOGLOBULIN REPLACEMENT THERAPY IN SYDNEY: 3 YEARS EXPERIENCE IN A SINGLE CENTRE. Intern Med J 2017. [DOI: 10.1111/imj.81_13578] [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: 11/26/2022]
Affiliation(s)
- C Wijaya
- Concord Hospital; Sydney Australia
| | - M Moussa
- Royal Prince Alfred Hospital; Sydney Australia
| | | | - S Limaye
- Concord Hospital; Sydney Australia
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38
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Vincent F, Rauch A, Loobuyck V, Spillemaeker H, Nix C, Vincentelli A, Moussa M, Lemesle G, Paris C, Dupont A, Richardson M, Staels B, Lenting P, Van Belle E, Susen S. P5812Acquired von willebrand factor defect under continuous-flow ventricular assist devices: modulation by dynamic changes of pulsatility. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5812] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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39
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Moussa M, Banakh O, Wehrle-Haller B, Fontana P, Scherrer S, Cattani M, Wiskott A, Durual S. TiN x O y coatings facilitate the initial adhesion of osteoblasts to create a suitable environment for their proliferation and the recruitment of endothelial cells. ACTA ACUST UNITED AC 2017; 12:025001. [PMID: 28244429 DOI: 10.1088/1748-605x/aa57a7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Titanium-nitride-oxide coatings (TiN x O y ) improve osseointegration of endosseous implants. The exact mechanisms by which these effects are mediated are poorly understood except for an increase of osteoblast proliferation while a high degree of differentiation is maintained. One hypothesis holds that TiN x O y facilitates the initial spreading and adhesion of the osteoblasts. The aim of this work was to investigate the molecular mechanisms of osteoblast adhesion on TiN x O y as compared to microrough titanium SLA. A global view of the osseointegrative process, that is, taking into account other cell groups, especially endothelial cells, is also presented. To this aim, gene expression and focal adhesion analysis, cocultures and wound assays were performed early after seeding, from 6 h to 3 days. We demonstrated that TiN x O y coatings enhance osteoblast adhesion and spreading when compared to the standard microrough titanium. The integrin β1, either in association with α1 or with α2 plays a central role in these mechanisms. TiN x O y coatings optimize the process of osseointegration by acting at several levels, especially by upregulating osteoblast adhesion and proliferation, but also by supporting neovascularization and the development of a suitable inflammatory environment.
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Affiliation(s)
- M Moussa
- Division of fixed prosthodontics and biomaterials, University clinics of dental medicine, University of Geneva, Switzerland
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Moaty SA, Farghali A, Moussa M, Khaled R. Remediation of waste water by Co–Fe layered double hydroxide and its catalytic activity. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2016.12.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Moussa M, Goldberg SN, Kumar G, Levchenko T, Torchilin V, Ahmed M. Effect of thermal dose on heat shock protein expression after radio-frequency ablation with and without adjuvant nanoparticle chemotherapies. Int J Hyperthermia 2016; 32:829-841. [PMID: 27600101 DOI: 10.3109/02656736.2016.1164904] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [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: 01/29/2023] Open
Abstract
PURPOSE The aim of this study was to evaluate the effect of different radio-frequency ablation (RFA) thermal doses on coagulation and heat shock protein (HSP) response with and without adjuvant nanotherapies. MATERIALS AND METHODS First, Fischer rats were assigned to nine different thermal doses of hepatic RFA (50-90 °C, 2-20 min, three per group) or no treatment (n = 3). Next, five of these RF thermal doses were combined with liposomal-doxorubicin (Lipo-Dox, 1 mg intravenously) in R3230 breast tumours, or no tumour treatment (five per group). Finally, RFA/Lipo-Dox was given without and with an Hsp70 inhibitor, micellar quercetin (Mic-Qu, 0.3 mg intravenously) for two different RFA doses with similar coagulation but differing peri-ablational Hsp70 (RFA/Lipo-Dox at 70 °C × 5 min and 90 °C × 2 min, single tumours, five per group). All animals were sacrificed 24 h post-RFA and gross tissue coagulation and Hsp70 (maximum rim thickness and % cell positivity) were correlated to thermal dose including cumulative equivalent minutes at 43 °C (CEM43). RESULTS Incremental increases in thermal dose (CEM43) correlated to increasing liver tissue coagulation (R2 = 0.7), but not with peri-ablational Hsp70 expression (R2 = 0.14). Similarly, increasing thermal dose correlated to increasing R3230 tumour coagulation for RF alone and RFA/Lipo-Dox (R2 = 0.7 for both). The addition of Lipo-Dox better correlated to increasing Hsp70 expression compared to RFA alone (RFA: R2 = 0.4, RFA/Lipo-Dox: R2 = 0.7). Finally, addition of Mic-Qu to two thermal doses combined with Lipo-Dox resulted in greater tumour coagulation (p < 0.0003) for RFA at 90 °C × 2 min (i.e. greater baseline Hsp70 expression) than an RFA dose that produced similar coagulation but less HSP expression (p < 0.0004). CONCLUSION Adjuvant intravenous Lipo-Dox increases peri-ablational Hsp70 expression in a thermally dependent manner. Such expression can be exploited to produce greater tumour destruction when adding a second adjuvant nanodrug (Mic-Qu) to suppress peri-ablational HSP expression.
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Affiliation(s)
- Marwan Moussa
- a Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology , Beth Israel Deaconess Medical Center/Harvard Medical School , Boston , Massachusetts , USA
| | - S Nahum Goldberg
- a Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology , Beth Israel Deaconess Medical Center/Harvard Medical School , Boston , Massachusetts , USA.,b Division of Image-Guided Therapy and Interventional Oncology, Department of Radiology , Hadassah Hebrew University Medical Center , Jerusalem , Israel
| | - Gaurav Kumar
- a Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology , Beth Israel Deaconess Medical Center/Harvard Medical School , Boston , Massachusetts , USA
| | - Tatyana Levchenko
- c Department of Pharmaceutical Sciences and Center for Pharmaceutical Biotechnology and Nanomedicine , Northeastern University , Boston , Massachusetts , USA
| | - Vladimir Torchilin
- c Department of Pharmaceutical Sciences and Center for Pharmaceutical Biotechnology and Nanomedicine , Northeastern University , Boston , Massachusetts , USA
| | - Muneeb Ahmed
- a Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology , Beth Israel Deaconess Medical Center/Harvard Medical School , Boston , Massachusetts , USA
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Baraket O, Itaimi A, Triki W, Moussa M, Ayed K, Ben Hmida S, Haggari A, Kort B, Bouchoucha S. [Therapeutic and diagnostic difficulties of abdominal actinomycosis: about one case in a Tunisian female patient]. ACTA ACUST UNITED AC 2016; 109:84-6. [PMID: 27100860 DOI: 10.1007/s13149-016-0482-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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: 10/17/2015] [Accepted: 02/23/2016] [Indexed: 11/28/2022]
Abstract
The Abdominal Actinomycosis (AA) is a rare and often unrecognised suppurative chronic illness. The diagnosis is difficult. It can have a variety of clinical manifestations and can mimic a malignancy. It's established by histology of surgical biopsy. We report a case of a 58 years old woman admitted to our institution for a pain of the right iliac fossa with a mass. The diagnosis was established after surgical intervention and histological examination. The treatment was surgical resection and antibiotherapy by amoxcillin during 6 months. The primary diagnosis of abdominal pelvic actinomycosis is difficult. All organs and anatomic structures of the abdomen can be involved. Even with extensive infection, combined operative and antibiotic therapy allows cure in most cases.
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Affiliation(s)
- O Baraket
- Hôpital de Bizerte, Rue Pasteur, Bizerte, 7000, Tunisie.
| | - A Itaimi
- Hôpital de Bizerte, Rue Pasteur, Bizerte, 7000, Tunisie
| | - W Triki
- Hôpital de Bizerte, Rue Pasteur, Bizerte, 7000, Tunisie
| | - M Moussa
- Hôpital de Bizerte, Rue Pasteur, Bizerte, 7000, Tunisie
| | - K Ayed
- Hôpital de Bizerte, Rue Pasteur, Bizerte, 7000, Tunisie
| | - S Ben Hmida
- Hôpital de Bizerte, Rue Pasteur, Bizerte, 7000, Tunisie
| | - A Haggari
- Hôpital de Bizerte, Rue Pasteur, Bizerte, 7000, Tunisie
| | - B Kort
- Hôpital de Bizerte, Rue Pasteur, Bizerte, 7000, Tunisie
| | - S Bouchoucha
- Hôpital de Bizerte, Rue Pasteur, Bizerte, 7000, Tunisie
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Ahmed M, Kumar G, Moussa M, Wang Y, Rozenblum N, Galun E, Goldberg SN. Hepatic Radiofrequency Ablation-induced Stimulation of Distant Tumor Growth Is Suppressed by c-Met Inhibition. Radiology 2016; 279:103-17. [PMID: 26418615 PMCID: PMC4819900 DOI: 10.1148/radiol.2015150080] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE To elucidate how hepatic radiofrequency (RF) ablation affects distant extrahepatic tumor growth by means of two key molecular pathways. MATERIALS AND METHODS Rats were used in this institutional animal care and use committee-approved study. First, the effect of hepatic RF ablation on distant subcutaneous in situ R3230 and MATBIII breast tumors was evaluated. Animals were randomly assigned to standardized RF ablation, sham procedure, or no treatment. Tumor growth rate was measured for 3½ to 7 days. Then, tissue was harvested for Ki-67 proliferative indexes and CD34 microvascular density. Second, hepatic RF ablation was performed for hepatocyte growth factor (HGF), vascular endothelial growth factor (VEGF), and c-Met receptor expression measurement in periablational rim, serum, and distant tumor 24 hours to 7 days after ablation. Third, hepatic RF ablation was combined with either a c-Met inhibitor (PHA-665752) or VEGF receptor inhibitor (semaxanib) and compared with sham or drug alone arms to assess distant tumor growth and growth factor levels. Finally, hepatic RF ablation was performed in rats with c-Met-negative R3230 tumors for comparison with the native c-Met-positive line. Tumor size and immunohistochemical quantification at day 0 and at sacrifice were compared with analysis of variance and the two-tailed Student t test. Tumor growth curves before and after treatment were analyzed with linear regression analysis to determine mean slopes of pre- and posttreatment growth curves on a per-tumor basis and were compared with analysis of variance and paired two-tailed t tests. RESULTS After RF ablation of normal liver, distant R3230 tumors were substantially larger at 7 days compared with tumors treated with the sham procedure and untreated tumors, with higher growth rates and tumor cell proliferation. Similar findings were observed in MATBIII tumors. Hepatic RF ablation predominantly increased periablational and serum HGF and downstream distant tumor VEGF levels. Compared with RF ablation alone, RF ablation combined with adjuvant PHA-665752 or semaxanib reduced distant tumor growth, proliferation, and microvascular density. For c-Met-negative tumors, hepatic RF ablation did not increase distant tumor growth, proliferation, or microvascular density compared with sham treatment. CONCLUSION RF ablation of normal liver can stimulate distant subcutaneous tumor growth mediated by HGF/c-Met pathway and VEGF activation. This effect was not observed in c-Met-negative tumors and can be blocked with adjuvant c-Met and VEGF inhibitors.
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Affiliation(s)
- Muneeb Ahmed
- From the Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, 1 Deaconess Rd, WCC 308-B, Boston, MA 02215 (M.A., G.K., M.M., Y.W., S.N.G.); and Goldyne Savad Institute of Gene Therapy (N.R., E.G.) and Division of Image-guided Therapy and Interventional Oncology, Department of Radiology (S.N.G.), Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Gaurav Kumar
- From the Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, 1 Deaconess Rd, WCC 308-B, Boston, MA 02215 (M.A., G.K., M.M., Y.W., S.N.G.); and Goldyne Savad Institute of Gene Therapy (N.R., E.G.) and Division of Image-guided Therapy and Interventional Oncology, Department of Radiology (S.N.G.), Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Marwan Moussa
- From the Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, 1 Deaconess Rd, WCC 308-B, Boston, MA 02215 (M.A., G.K., M.M., Y.W., S.N.G.); and Goldyne Savad Institute of Gene Therapy (N.R., E.G.) and Division of Image-guided Therapy and Interventional Oncology, Department of Radiology (S.N.G.), Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Yuanguo Wang
- From the Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, 1 Deaconess Rd, WCC 308-B, Boston, MA 02215 (M.A., G.K., M.M., Y.W., S.N.G.); and Goldyne Savad Institute of Gene Therapy (N.R., E.G.) and Division of Image-guided Therapy and Interventional Oncology, Department of Radiology (S.N.G.), Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Nir Rozenblum
- From the Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, 1 Deaconess Rd, WCC 308-B, Boston, MA 02215 (M.A., G.K., M.M., Y.W., S.N.G.); and Goldyne Savad Institute of Gene Therapy (N.R., E.G.) and Division of Image-guided Therapy and Interventional Oncology, Department of Radiology (S.N.G.), Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Eithan Galun
- From the Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, 1 Deaconess Rd, WCC 308-B, Boston, MA 02215 (M.A., G.K., M.M., Y.W., S.N.G.); and Goldyne Savad Institute of Gene Therapy (N.R., E.G.) and Division of Image-guided Therapy and Interventional Oncology, Department of Radiology (S.N.G.), Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - S. Nahum Goldberg
- From the Laboratory for Minimally Invasive Tumor Therapies, Department of Radiology, Beth Israel Deaconess Medical Center/Harvard Medical School, 1 Deaconess Rd, WCC 308-B, Boston, MA 02215 (M.A., G.K., M.M., Y.W., S.N.G.); and Goldyne Savad Institute of Gene Therapy (N.R., E.G.) and Division of Image-guided Therapy and Interventional Oncology, Department of Radiology (S.N.G.), Hadassah Hebrew University Hospital, Jerusalem, Israel
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Fawzy R, Lasheen S, Kamaleldin M, Wessam R, Khallaf E, Moussa M. Comparative Planning Study of Different Tumor Bed Localization Modalities After Oncoplastic Conservative Surgery for Early-Stage Breast Cancer. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.643] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Ghoussoub K, El Hage R, Moustapha A, Moussa M, Ibrahim T, Nassour W. Problems related to hospital discharge of disabled people in Lebanon. Ann Phys Rehabil Med 2015. [DOI: 10.1016/j.rehab.2015.07.151] [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: 10/23/2022]
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Moussa M, Shu J, Zhang X, Zeng F. Maternal control of oocyte quality in cattle “a review”. Anim Reprod Sci 2015; 155:11-27. [DOI: 10.1016/j.anireprosci.2015.01.011] [Citation(s) in RCA: 27] [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: 04/04/2014] [Revised: 11/20/2014] [Accepted: 01/15/2015] [Indexed: 02/09/2023]
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Maurel B, Delclaux N, Sobocinski J, Hertault A, Martin-Gonzalez T, Moussa M, Spear R, Le Roux M, Azzaoui R, Tyrrell M, Haulon S. The Impact of Early Pelvic and Lower Limb Reperfusion and Attentive Peri-operative Management on the Incidence of Spinal Cord Ischemia During Thoracoabdominal Aortic Aneurysm Endovascular Repair. J Vasc Surg 2015. [DOI: 10.1016/j.jvs.2015.01.011] [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: 12/01/2022]
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Golian M, Moussa M, White C, Aletta G, Koley L, Seifer C. QUALITY ASSURANCE OF VENOUS THROMBOEMBOLISM PROPHYLAXIS. HOW ARE WE COMPARED TO GUIDELINES? Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.140] [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: 10/24/2022] Open
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Moussa M, Zuberi S, Friesen T, Cordova F, Zeiroth S. OUTCOMES OF ULTRAFILTRATION IN ADVANCED HEART FAILURE PATIENTS RESISTANT TO DIURETIC THERAPY. Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.325] [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: 10/24/2022] Open
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Gibson E, Gaed M, Gómez J, Moussa M, Romagnoli C, Kassam Z, Bastian-Jordan M, Cool D, Pautler S, Chin J, Crukley C, Bauman G, Fenster A, Ward A. Toward Prostate Cancer Contouring Guidelines on MRI: Dominant Lesion Gross and Clinical Target Volume Coverage via Accurate Histology Fusion. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.768] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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