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Aslett LD, Calfee MW, Monge M, Abdel-Hady A, Chamberlain T, Baartmans R, Touati A. Evaluation of Sponge Wipe Surface Sampling for Collection of Potential Surrogates for Non-spore-forming Bioterrorism Agents. J Appl Microbiol 2024:lxae097. [PMID: 38609348 DOI: 10.1093/jambio/lxae097] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2024]
Abstract
AIM Evaluate the efficacy of sponge wipe sampling at recovering potential bacterial surrogates for Category A and B non-spore-forming bacterial bioterrorism agents from hard nonporous surfaces. METHODS A literature survey identified seven nonpathogenic bacteria as potential surrogates for selected Category A and B non-spore-forming bacterial agents. Small (2- by 4-cm) and large (35.6- by 35.6-cm) coupons made from either stainless steel, plastic, or glass, were inoculated and utilized to assess persistence, and surface sampling efficiency, respectively. Three commercially available premoistened sponge wipes (3M™, Sani-Stick®, and Solar-Cult®) were evaluated. RESULTS Mean recoveries from persistence testing indicated that three microorganisms (Yersinia ruckeri, Escherichia coli, and Serratia marcescens) demonstrated sufficient persistence across all tested material types. Sampling of large inoculated (≥ 107 CFU per sample) coupons resulted in mean recoveries ranging from 6.6 to 3.4 Log10 CFU per sample. Mean recoveries for the Solar-Cult®, 3M™ sponge wipes, and Sani-Sticks® across all test organisms and all material types were ≥ 5.7, ≥ 3.7, and ≥ 3.4 Log10 CFU per sample, respectively. Mean recoveries for glass, stainless steel, and ABS plastic across all test organisms and all sponge types were ≥ 3.8, ≥ 3.7, and ≥ 3.4 Log10 CFU per sample, respectively. CONCLUSIONS Recovery results suggest that sponge wipe sampling can effectively be used to recover non-spore-forming bacterial cells from hard, nonporous surfaces such as stainless steel, ABS plastic, and glass.
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Affiliation(s)
- L D Aslett
- Jacobs Technology, Inc., 600 William Northern Blvd, Tullahoma, TN 37388, USA
| | - M W Calfee
- U.S. EPA, Office of Research and Development, Research Triangle Park, NC, USA
| | - M Monge
- CSS, Inc., 10301 Democracy Lane, Suite 300, Fairfax, VA 22030, USA
| | - A Abdel-Hady
- Jacobs Technology, Inc., 600 William Northern Blvd, Tullahoma, TN 37388, USA
| | - T Chamberlain
- Jacobs Technology, Inc., 600 William Northern Blvd, Tullahoma, TN 37388, USA
| | - R Baartmans
- Intellectechs, Inc., 195 S. Rosemont Road, Suite 103, Virginia Beach, VA 23452
| | - A Touati
- Jacobs Technology, Inc., 600 William Northern Blvd, Tullahoma, TN 37388, USA
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2
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Kalb E, Laternser C, Monge M, Thrush P. Sensitized Pediatric Heart Transplant Recipients in a Ten-Year Single Center Study. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1631] [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: 04/05/2023] Open
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3
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O'Halloran C, Magnetta D, Thrush P, Monge M, Joong A, Tannous P. Utility of Molecular Microscope Diagnostic System (mmdx) in Addition to Histopathology for Rejection Surveillance in Pediatric Heart Transplantation. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.069] [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: 04/05/2023] Open
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4
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Ratliff K, Oudejans L, Calfee W, Abdel-Hady A, Monge M, Aslett D. Evaluating the impact of ultraviolet C exposure conditions on coliphage MS2 inactivation on surfaces. Lett Appl Microbiol 2022; 75:933-941. [PMID: 35704393 PMCID: PMC9764853 DOI: 10.1111/lam.13770] [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: 04/26/2022] [Revised: 06/09/2022] [Accepted: 06/10/2022] [Indexed: 11/29/2022]
Abstract
The COVID-19 pandemic has raised interest in using devices that generate ultraviolet C (UVC) radiation as an alternative approach for reducing or eliminating microorganisms on surfaces. Studies investigating the efficacy of UVC radiation against pathogens use a wide range of laboratory methods and experimental conditions that can make cross-comparison of results and extrapolation of findings to real-world settings difficult. Here, we use three different UVC-generating sources - a broad-spectrum pulsed xenon light, a continuous light-emitting diode (LED), and a low-pressure mercury vapour lamp - to evaluate the impact of different experimental conditions on UVC efficacy against the coliphage MS2 on surfaces. We find that a nonlinear dose-response relationship exists for all three light sources, meaning that linear extrapolation of doses resulting in a 1-log10 (90%) reduction does not accurately predict the dose required for higher (e.g. 3-log10 or 99.9%) log10 reductions. In addition, our results show that the inoculum characteristics and underlying substrate play an important role in determining UVC efficacy. Variations in microscopic surface topography may shield MS2 from UVC radiation to different degrees, which impacts UVC device efficacy. These findings are important to consider in comparing results from different UVC studies and in estimating device performance in field conditions.
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Affiliation(s)
- K Ratliff
- Center for Environmental Solutions and Emergency Response, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - L Oudejans
- Center for Environmental Solutions and Emergency Response, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - W Calfee
- Center for Environmental Solutions and Emergency Response, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - A Abdel-Hady
- Jacobs Technology Inc., Research Triangle Park, NC, USA
| | - M Monge
- Consolidated Safety Services, Inc., Research Triangle Park, NC, USA
| | - D Aslett
- Jacobs Technology Inc., Research Triangle Park, NC, USA
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5
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Jeantin L, Lenfant T, Bataille P, De Boysson H, Cathébras P, Agard C, Faguer S, Deschartres A, Poindron V, Ruivard M, Martin-Silva N, Monge M, Guillevin L, Puéchal X, Terrier B, Charles P. Atteintes valvulaires cardiaques des vascularites à ANCA : étude multicentrique rétrospective et revue systématique de la littérature. Rev Med Interne 2022. [DOI: 10.1016/j.revmed.2022.03.237] [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: 10/18/2022]
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6
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Lee J, Shezad M, Zafar F, Barnes A, O'Brien J, Kleinmahon J, Peeler B, Joong A, Phillip J, Bleiweis M, Monge M, Woods R, Niebler R. Outcomes of Intracorporeal Continuous, Paracorporeal Continuous, and Paracorporeal Pulsatile Ventricular Assist Devices in Pediatric Patients 10-30 kg. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1314] [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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7
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Monge M, Abdel-Hady A, Aslett L, Calfee M, Williams B, Ratliff K, Ryan S, Oudejans L, Touati A. Inactivation of MS2 bacteriophage on copper film deployed in high touch areas of a public transport system. Lett Appl Microbiol 2022; 74:405-410. [PMID: 34862976 PMCID: PMC8935140 DOI: 10.1111/lam.13624] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/24/2021] [Accepted: 11/25/2021] [Indexed: 01/14/2023]
Abstract
Although SARS-CoV-2 is primarily an airborne risk, the COVID-19 pandemic also highlighted the need for self-disinfection surfaces that could withstand the demand of high occupant densities characteristic of public transportation systems. The aim of this study was to evaluate the durability and antiviral activity of a copper film deployed for 90 days in two high touch locations within an active metropolitan bus and railcar. The antiviral efficacy of this copper film after being deployed in transit vehicles for 90 days (deployed copper film) was then compared to new (unused) copper film to determine if frequent touches and cleaning protocols could decrease the efficacy of the copper films. Deployed copper film, new copper film, and aluminium foil (positive control) coupons were inoculated with ~1 × 106 MS2 virus particles, allowed a contact time of either 5- or 10-min, and analysed for residual viral infectiousness. On both new and deployed copper films, MS2 was completely inactivated (≥5 log reduction) at both time points. These results suggest that the copper film may provide the durability demanded by high touch public spaces while maintaining the antiviral activity necessary to reduce exposure risk and viral transmission via surfaces in public transportation settings.
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Affiliation(s)
| | | | | | - M.W. Calfee
- U.S. EPA, Office of Research and Development, Research Triangle Park, NC, USA
| | - B. Williams
- Los Angeles County Metropolitan Transportation Authority, Los Angeles, CA, USA
| | - K. Ratliff
- U.S. EPA, Office of Research and Development, Research Triangle Park, NC, USA
| | - S. Ryan
- U.S. EPA, Office of Research and Development, Research Triangle Park, NC, USA
| | - L. Oudejans
- U.S. EPA, Office of Research and Development, Research Triangle Park, NC, USA
| | - A. Touati
- Jacobs Technology, Inc., Tullahoma, TN, USA
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8
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Monge M, Chiavelli H, Pinson J, Papet E, Schwarz L, Tuech JJ. Successful outcome following resection of metachronous pancreatic metastasis from a rhabdomyosarcoma. Acta Chir Belg 2021; 121:354-356. [PMID: 31994975 DOI: 10.1080/00015458.2020.1722927] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
BACKGROUND Pancreatic metastases (PM) are rare, comprising 3% of pancreatic tumours removed in sizable series of operations. This report presents the first case of metachronous pancreatic metastases from rhabdomyosarcoma successfully treated by pancreaticoduodenectomy. CASE REPORT A 19-year old man was admitted with a tumor in the head of the pancreas, 1 year after undergoing removal of an alveolar RMS from the right hand. . Computed tomography (CT) scan demonstrates a solitary hypodence tumour of the pancreas. The patient underwent a pancreaticoduodenectomy and the postoperative course was uneventful. Pathologic examination confirmed the metastatic alveolar RMS without lymph node involvement. At most recent follow-up, 36 months after pancreaticoduodenectomy, the patient has no evidence of disease. CONCLUSION Although rare, rhabdomyosarcoma can metastasize to the pancreas. The surgeons must be aware of this complication, and that such pancreatic metastases are potentially resectable with a good long term outcome.
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Affiliation(s)
- M. Monge
- Department of Digestive Surgery, Rouen University Hospital-Charles Nicolle, Rouen, France
| | - H. Chiavelli
- Department of Pathology, Rouen University Hospital, Rouen, France
| | - J. Pinson
- Department of Digestive Surgery, Rouen University Hospital-Charles Nicolle, Rouen, France
| | - E. Papet
- Department of Digestive Surgery, Rouen University Hospital-Charles Nicolle, Rouen, France
| | - L. Schwarz
- Department of Digestive Surgery, Rouen University Hospital-Charles Nicolle, Rouen, France
| | - J. J. Tuech
- Department of Digestive Surgery, Rouen University Hospital-Charles Nicolle, Rouen, France
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9
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Monge M, Richaud C, De Laroche M, Lefevre M, Camps S, Compain F. Réponse à la vaccination contre le SARS-CoV-2 chez des patients hémodialysés chroniques. Infect Dis Now 2021. [PMCID: PMC8327504 DOI: 10.1016/j.idnow.2021.06.276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Introduction Les patients hémodialysés chroniques (HDC) sont à haut risque de développer une forme grave d’infection à SARS-CoV-2. Ils constituent une population cible pour la vaccination. Toutefois, la réponse vaccinale chez ces patients n’est pas connue. Matériels et méthodes Étude observationnelle monocentrique portant sur l’ensemble des patients HDC à qui la vaccination contre la COVID-19 par le vaccin à ARNm BNT162b2 (Pfizer–BioNTech®) a été proposée. Deux injections ont été réalisées à 28 j d’intervalle, dans le bras opposé à l’abord vasculaire. Les données cliniques ont été recueillies prospectivement. La recherche d’anticorps spécifiques (IgG et IgM anti-protéine Spike) a été réalisée par immunochromatographie (COVID-19 BSS, Biosynex®) sur des sérums collectés avant la première injection, puis avant la seconde et 1 mois après. Les résultats sont exprimés en médiane [IQR : 25–75] ou %. Résultats Entre le 15 janvier et le 21 mars 2021, la vaccination a été proposée aux 55 patients du centre et acceptée par 49 (89,1 %) patients, les 6 autres ayant refusé. Parmi les 49 patients vaccinés, l’âge médian est de 70 [63–82,5] ans, 17 (34,7 %) sont diabétiques, et 8 (16,3 %) ont une greffe d’organe solide. La durée médiane en dialyse à la vaccination est de 26,2 [17,8–49,9] mois ; les patients sont dialysés sur une membrane en polysulfone (PSF), sauf 4 (8,2 %) sur une membrane en polyméthylmétacrylate (PMMA). La séroprévalence en IgG à j0 est de 12,2 % (6/49 patients, dont 4 ayant un antécédent de COVID symptomatique de plus de 3 mois, avec PCR positive). Parmi les 43 patients séronégatifs à l’inclusion, 10 sont encore en cours de vaccination. Les 33 patients ayant complété le schéma vaccinal ont les résultats suivants, respectivement avant la seconde injection et 1 mois après : IgM, 9,1 % (3 patients) et 12,1 % (4 patients) ; IgG, 9,1 % (3 patients) et 87,9 % (29 patients). Tous les patients positifs en IgM le sont également en IgG (aucun n’a développé de signes cliniques évocateurs de COVID-19 dans le suivi). Parmi les 4 patients non répondeurs, 1 recevait une immunothérapie pour cancer cutané, et tous ont une membrane en PSF. Tous les patients transplantés d’organe ont eu une réponse vaccinale positive 1 mois après la seconde injection. Le profil sérologique des patients dialysés avec un filtre en PMMA est comparable à ceux avec un filtre en PSF. La tolérance est bonne: 1 patiente a présenté une réponse systémique avec fièvre et frisson, et 60,1 % ont eu une réaction douloureuse au point d’injection ayant duré 24 h. Conclusion L’acceptation et la réponse vaccinale au vaccin à ARNm contre la COVID-19 sont bonnes chez les patients HDC.
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10
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Floc'h M, Monge M, Schwarz L. A technical tip for enterotomy-drainage by balloon trocar of the small intestine. J Visc Surg 2021; 158:450-451. [PMID: 33863676 DOI: 10.1016/j.jviscsurg.2021.03.008] [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: 11/29/2022]
Affiliation(s)
- M Floc'h
- Rouen University Hospital, Department of Digestive Surgery, 76000 Rouen, France
| | - M Monge
- Rouen University Hospital, Department of Digestive Surgery, 76000 Rouen, France
| | - L Schwarz
- Rouen University Hospital, Department of Digestive Surgery, 76000 Rouen, France; Normandie Univ, UNIROUEN, UMR 1245 INSERM, Rouen University Hospital, Department of Genomic and Personalized Medicine in Cancer and Neurological Disorders, 76000 Rouen, France.
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11
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Magnetta D, Reichhold A, Thrush P, Monge M, Webster G, Joong A. Biventricular Assist Device Support of a Child with Intractable Arrhythmias Secondary to Histiocytoid Cardiomyopathy. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.2093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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12
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Richaud C, Compain F, Lavollay M, Garnier M, Monge M. Évaluation des concentrations de ceftazidime et de l’atteinte de la cible pharmacocinétique chez le patient hémodialysé chronique infecté. Med Mal Infect 2020. [DOI: 10.1016/j.medmal.2020.06.096] [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: 11/26/2022]
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13
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Hamdidouche I, Gosse P, Cremer A, Lorthioir A, Delsart P, Courand PY, Denolle T, Halimi JM, Girerd X, Ormezzano O, Rossignol P, Pereira H, Azizi M, Amar L, Bobrie G, Monge M, Pagny JY, Sapoval M, Claisse G, Midulla M, Mounier-Vehier C, Dauphin R, Fauvel JP, Lantelme P, Rouvière O, Grenier N, Lebras Y, Trillaud H, Dourmap C, Heautot JF, Larralde A, Paillard F, Cluzel P, Rosenbaum D, Alison D, Popovic B, Zannad F, Baguet JP, Thony F, Bartoli JM, Vaïsse B, Drouineau J, Herpin D, Sosner P, Tasu JP, Velasco S, Ribstein J, Kovacsik H, Bouhanick B, Chamontin B, Rousseau H, Le Jeune S, Lopez-Sublet M, Mourad JJ, Bellmann L, Esnault V, Ferrari E, Chatellier G. Clinic Versus Ambulatory Blood Pressure in Resistant Hypertension: Impact of Antihypertensive Medication Nonadherence. Hypertension 2019; 74:1096-1103. [DOI: 10.1161/hypertensionaha.119.13520] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Clinic-ambulatory blood pressure (BP) difference is influenced by patients- and device-related factors and inadequate clinic-BP measurement. We investigated whether nonadherence to antihypertensive medications may also influence this difference in a post hoc analysis of the DENERHTN trial (Renal Denervation for Hypertension). We pooled the data of 77 out of 106 evaluable patients with apparent resistant hypertension who received a standardized antihypertensive treatment and had both ambulatory BP and drug-screening results available at baseline after 1 month of standardized triple therapy and at 6 months on a median of 5 antihypertensive drugs. After drug assay samplings on study visits, patients took their antihypertensive treatment under supervision immediately after the start of the ambulatory BP recording, and supine clinic BP was measured 24 hours post-dosing; both allowed to calculate the clinic minus daytime ambulatory systolic BP (SBP) difference (clinic-SBP–day-SBP). A total of 29 (37.7%) were found nonadherent to medications at baseline and 38 (49.4%) at 6 months. At baseline, the mean clinic-SBP–day-SBP difference in the nonadherent group was 12.7 mm Hg (95% CI, 7.8–17.7 mm Hg,
P
<0.001). In contrast, clinic SBP was almost identical to day-SBP in the adherent group (clinic-SBP–day-SBP difference, 0.1 mm Hg; 95% CI, −3.3 to 3.5 mm Hg;
P
=0.947). Similar observations were made at 6 months. Using receiver operating characteristics curves, we found that a 6 mm Hg cutoff of clinic-SBP–day-SBP difference had 67% sensitivity and 69% specificity to predict nonadherence to the triple therapy at baseline. In conclusion, a large clinic-SBP–day-SBP difference may help discriminating between adherence and nonadherence to treatment in patients with resistant hypertension.
Clinical Trial Registration—
URL:
https://www.clinicaltrials.gov
. Unique identifier: NCT01570777.
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Affiliation(s)
- Idir Hamdidouche
- From the INSERM, Centre d’Investigations Cliniques- Plurithématique 1418, Paris, France (I.H., H.P., M.A.)
| | - Philippe Gosse
- ESH Hypertension excellence center, Hopital Saint André, University hospital of Bordeaux, France (P.G., A.C.)
| | | | - Aurelien Lorthioir
- AP-HP, Hypertension unit and DMU CARTE, Hôpital Européen Georges-Pompidou, Paris, France (A.L., H.P., M.A.)
| | - Pascal Delsart
- CHU Lille, Institut Cœur Poumon, Bd Pr Leclercq, France (P.D.)
| | - Pierre-Yves Courand
- Cardiology department, European Society of Hypertension Excellence Center, Hôpital de la Croix-Rousse et Hôpital Lyon Sud, Hospices Civils de Lyon, France (P.-Y.C.)
- Université de Lyon, CREATIS; CNRS UMR5220; INSERM U1044; INSA-Lyon; Université Claude Bernard Lyon 1, France (P.-Y.C.)
| | - Thierry Denolle
- Hĉpital Arthur Gardiner, Centre d’Excellence en HTA Rennes- Dinard, France (T.D.)
| | - Jean-Michel Halimi
- Service de nephrologie-immunologie clinique, Hopital universitaire de Tours, et EA4245 Université Francois Rabelais, France (J.-M.H.)
| | - Xavier Girerd
- Unité de Prévention Cardio Vasculaire, Groupe Hospitalier Universitaire Pitié-Salpêtrière–Institut IE3M, Paris, France (X.G)
| | - Olivier Ormezzano
- Department of Cardiology, University Hospital and INSERM U1039, Bioclinic Radiopharmaceutics Laboratory, Grenoble, France (O.O.)
| | - Patrick Rossignol
- Université de Lorraine, Inserm, Centre d’Investigations Cliniques- Plurithématique 14-33, and Inserm U1116, CHRU, F-CRIN INI-CRCT (Cardiovascular and Renal Clinical Trialists), Nancy, France (P.R.)
| | - Helena Pereira
- From the INSERM, Centre d’Investigations Cliniques- Plurithématique 1418, Paris, France (I.H., H.P., M.A.)
- AP-HP, Hypertension unit and DMU CARTE, Hôpital Européen Georges-Pompidou, Paris, France (A.L., H.P., M.A.)
- AP-HP Clinical and Epidemiological Unit, Hopital Europeen Georges Pompidou, Paris, France (H.P.)
| | - Michel Azizi
- From the INSERM, Centre d’Investigations Cliniques- Plurithématique 1418, Paris, France (I.H., H.P., M.A.)
- AP-HP, Hypertension unit and DMU CARTE, Hôpital Européen Georges-Pompidou, Paris, France (A.L., H.P., M.A.)
- Université de Paris, Paris, France (M.A.)
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14
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Monge M, Richaud C, Dervanian P, Stancu A, Al Nakib M, Podglajen I, Karras A, Charles P, Nochy D. Endocardite aortique aseptique révélant une granulomatose avec polyangéite. Nephrol Ther 2019. [DOI: 10.1016/j.nephro.2019.07.172] [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]
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15
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Solé M, Monge M, André M, Quero C. A proteomic analysis of the statocyst endolymph in common cuttlefish (Sepia officinalis): an assessment of acoustic trauma after exposure to sound. Sci Rep 2019; 9:9340. [PMID: 31249355 PMCID: PMC6597576 DOI: 10.1038/s41598-019-45646-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [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: 02/07/2018] [Accepted: 06/11/2019] [Indexed: 12/21/2022] Open
Abstract
Recent studies, both in laboratory and sea conditions, have demonstrated damage after sound exposure in the cephalopod statocyst sensory epithelium, which secretes endolymph protein. Here, the proteomic analysis of the endolymph was performed before and after sound exposure to assess the effects of exposure to low intensity, low frequency sounds on the statocyst endolymph of the Mediterranean common cuttlefish (Sepia officinalis), determining changes in the protein composition of the statocyst endolymph immediately and 24 h after sound exposure. Significant differences in protein expression were observed, especially 24 h after exposure. A total of 37 spots were significantly different in exposed specimens, 17 of which were mostly related to stress and cytoskeletal structure. Among the stress proteins eight spots corresponding to eight hemocyanin isoforms were under-expressed possible due to lower oxygen consumption. In addition, cytoskeletal proteins such as tubulin alpha chain and intermediate filament protein were also down-regulated after exposure. Thus, endolymph analysis in the context of acoustic stress allowed us to establish the effects at the proteome level and identify the proteins that are particularly sensitive to this type of trauma.
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Affiliation(s)
- M Solé
- Laboratory of Applied Bioacoustics, Technical University of Catalonia, Barcelona TECH, 08800, Rambla exposició s/n, Vilanova i la Geltrú, Barcelona, Spain
| | - M Monge
- Proteomics Laboratory, Vall d'Hebron Institute of Oncology (VHIO), Edifici Collserola, 08035, Barcelona, Spain
| | - M André
- Laboratory of Applied Bioacoustics, Technical University of Catalonia, Barcelona TECH, 08800, Rambla exposició s/n, Vilanova i la Geltrú, Barcelona, Spain.
| | - C Quero
- Department of Biological Chemistry and Molecular Modelling, IQAC (CSIC), Jordi Girona 18, 08034, Barcelona, Spain.
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16
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Monge M, Mahmoudi K, Telili S, Elhadad S, Costanzo A, Beaussier M, Rohnean A, Trinh-Duc A, Amabile N. Fermeture de l’auricule gauche chez le patient hémodialysé chronique : efficacité et sécurité. Nephrol Ther 2018. [DOI: 10.1016/j.nephro.2018.07.014] [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: 11/17/2022]
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17
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Ccana-Ccapatinta GV, Padilla-Gonzalez GF, Monge M, Semir J, Ferreira PL, Groppo M, Da Costa FB. Metabolomics-based chemotaxonomic classification of the subfamily Barnadesioideae (Asteraceae). Am J Transl Res 2017. [DOI: 10.1055/s-0037-1608042] [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: 10/18/2022]
Affiliation(s)
- GV Ccana-Ccapatinta
- AsterBioChem Research Team, Laboratory of Pharmacognosy, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - GF Padilla-Gonzalez
- AsterBioChem Research Team, Laboratory of Pharmacognosy, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - M Monge
- Department of Plant Biology, Institute of Biology, University of Campinas, Campinas, Brazil
| | - J Semir
- Department of Plant Biology, Institute of Biology, University of Campinas, Campinas, Brazil
| | - PL Ferreira
- Department of Biology, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - M Groppo
- Department of Biology, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - FB Da Costa
- AsterBioChem Research Team, Laboratory of Pharmacognosy, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
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Orozco Hernandez E, Enter D, Monge M, Nakano J, Rich J, Anderson A, Backer C, McCarthy M, Pham D. Bridge to Transplantation with Long-Term Mechanical Assist Device in Adults with Transposition of the Great Arteries. J Heart Lung Transplant 2017. [DOI: 10.1016/j.healun.2017.01.1259] [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: 11/15/2022] Open
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Gil-Sánchez I, Monge M, Bernáldez A, Tamargo A, Cueva C, Llano DGD, Bartolomé B, Moreno-Arribas M. New challenges in the application of biocompatible silver nanoparticles in enology: Antimicrobial capacity, digestibility and potential cytotoxicity. BIO Web Conf 2016. [DOI: 10.1051/bioconf/20160702028] [Citation(s) in RCA: 2] [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: 12/23/2022] Open
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Hidalgo-Galiana A, Monge M, Biron DG, Canals F, Ribera I, Cieslak A. Protein expression parallels thermal tolerance and ecologic changes in the diversification of a diving beetle species complex. Heredity (Edinb) 2015; 116:114-23. [PMID: 26328758 DOI: 10.1038/hdy.2015.80] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 07/26/2015] [Accepted: 07/29/2015] [Indexed: 11/09/2022] Open
Abstract
Physiological changes associated with evolutionary and ecological processes such as diversification, range expansion or speciation are still incompletely understood, especially for non-model species. Here we study differences in protein expression in response to temperature in a western Mediterranean diving beetle species complex, using two-dimensional differential gel electrophoresis with one Moroccan and one Iberian population each of Agabus ramblae and Agabus brunneus. We identified proteins with significant expression differences after thermal treatments comparing them with a reference EST library generated from one of the species of the complex (A. ramblae). The colonisation during the Middle Pleistocene of the Iberian peninsula by A. ramblae, where maximum temperatures and seasonality are lower than in the ancestral north African range, was associated with changes in the response to 27 °C in proteins related to energy metabolism. The subsequent speciation of A. brunneus from within populations of Iberian A. ramblae was associated with changes in the expression of several stress-related proteins (mostly chaperons) when exposed to 4 °C. These changes are in agreement with the known tolerance to lower temperatures of A. brunneus, which occupies a larger geographical area with a wider range of climatic conditions. In both cases, protein expression changes paralleled the evolution of thermal tolerance and the climatic conditions experienced by the species. However, although the colonisation of the Iberian peninsula did not result in morphological change, the speciation process of A. brunneus within Iberia involved genetic isolation and substantial differences in male genitalia and body size and shape.
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Affiliation(s)
- A Hidalgo-Galiana
- Animal Biodiversity and Evolution, Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra), Barcelona, Spain
| | - M Monge
- Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
| | - D G Biron
- Laboratoire 'Microorganismes: Génome et Environnement', UMR CNRS 6023, Equipe Interactions hôtes-parasites, Université Blaise Pascal, Aubière Cedex, France
| | - F Canals
- Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
| | - I Ribera
- Animal Biodiversity and Evolution, Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra), Barcelona, Spain
| | - A Cieslak
- Animal Biodiversity and Evolution, Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra), Barcelona, Spain
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Monge M, Boura B, Cosserat J, Lamer C, Chen L, Bennamoun M, Nochy D, Combes M. Insuffisance rénale aiguë par thrombose d’une artère rénale sur rein unique, traitement par pontage veineux iliorénal : à propos d’un cas. Nephrol Ther 2015. [DOI: 10.1016/j.nephro.2015.07.283] [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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García-Ruiz A, Crespo J, López-de-Luzuriaga J, Olmos M, Monge M, Rodríguez-Álfaro M, Martín-Álvarez P, Bartolome B, Moreno-Arribas M. Novel biocompatible silver nanoparticles for controlling the growth of lactic acid bacteria and acetic acid bacteria in wines. Food Control 2015. [DOI: 10.1016/j.foodcont.2014.09.035] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Monge M, Van Pel M, Aleksinskaya M, Siebelt M, Koekkoek K, Slot E, Massy Z, Rabelink T, Van Zonneveld A. L’insuffisance rénale chronique est associée à des anomalies de la niche hématopoïétique chez la souris. Nephrol Ther 2012. [DOI: 10.1016/j.nephro.2012.07.348] [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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Colas E, Muinelo-Romay L, Alonso-Alconada L, Llaurado M, Monge M, Barbazan J, Gonzalez M, Schoumacher M, Pedrola N, Ertekin T, Devis L, Ruiz A, Castellvi J, Doll A, Gil-Moreno A, Vazquez-Levin M, Lapyckyj L, Lopez-Lopez R, Robine S, Friederich E, Castro M, Reventos J, Vignjevic D, Abal M. ETV5 cooperates with LPP as a sensor of extracellular signals and promotes EMT in endometrial carcinomas. Oncogene 2012; 31:4778-88. [PMID: 22266854 DOI: 10.1038/onc.2011.632] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Endometrial carcinoma (EC) is the most frequent among infiltrating tumors of the female genital tract, with myometrial invasion representing an increase in the rate of recurrences and a decrease in survival. We have previously described ETV5 transcription factor associated with myometrial infiltration in human ECs. In this work, we further investigated ETV5 orchestrating downstream effects to confer the tumor the invasive capabilities needed to disseminate in the early stages of EC dissemination. Molecular profiling evidenced ETV5 having a direct role on epithelial-to-mesenchymal transition (EMT). In particular, ETV5 modulated Zeb1 expression and E-Cadherin repression leading to a complete reorganization of cell-cell and cell-substrate contacts. ETV5-promoted EMT resulted in the acquisition of migratory and invasive capabilities in endometrial cell lines. Furthermore, we identified the lipoma-preferred partner protein as a regulatory partner of ETV5, acting as a sensor for extracellular signals promoting tumor invasion. All together, we propose ETV5-transcriptional regulation of the EMT process through a crosstalk with the tumor surrounding microenvironment, as a principal event initiating EC invasion.
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Affiliation(s)
- E Colas
- Biomedical Research Unit, Research Institute Vall d'Hebron University Hospital, Barcelona, Spain
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Cavalier E, Rozet E, Gadisseur R, Carlisi A, Monge M, Chapelle JP, Hubert P, Souberbielle JC, Delanaye P. Measurement uncertainty of 25-OH vitamin D determination with different commercially available kits: impact on the clinical cut offs. Osteoporos Int 2010; 21:1047-51. [PMID: 19756833 DOI: 10.1007/s00198-009-1052-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2009] [Accepted: 07/27/2009] [Indexed: 10/20/2022]
Abstract
SUMMARY Due to "measurement uncertainty", the "true" 25-OH vitamin D (25(OH)D) of a patient (whatever the commercially available assay tested) will be >80 nmol/L if its measured concentration is >100 nmol/L. Thus, if a physician considers that a normal VTD status is a 25(OH)D level >or=80 nmol/L, he should ensure that the patient's results are >or=100 nmol/L. INTRODUCTION Many experts recommend that serum levels of 25(OH)D should be above a lower normal limit of 75-80 nmol/L. However, the value delivered by laboratories is only an estimation of the "true" value due to "measurement uncertainty." When using a cut off, measurement uncertainty around the cut off is important because therapeutic actions may differ if the measured value is below or above the limit. We aimed to establish the "measurement uncertainty" at different levels of concentration for several commercially available 25(OH)D analytical techniques. METHODS We constituted three pools of serum with different 25(OH)D concentrations. Each pool was assayed in triplicate during 5 days with the DiaSorin RIA, Liaison, Elecsys, and Chromsystems-HPLC assays. RESULTS We report a relatively high "measurement uncertainty" for the measurement of 25(OH)D for the four different techniques: the mean relative uncertainties, all techniques confounded were 19.4%, 16.0%, and 11.3% for pool 1 (35.3 nmol/L), pool 2 (79.5 nmol/L), and pool 3 (126.1 nmol/L), respectively. CONCLUSIONS Our results show that, whatever the assay, the "true" 25(OH)D of a patient will be >80 nmol/L if its measured concentration is >100 nmol/L. In other words, if a physician considers that a normal VTD status is defined by a 25(OH)D level >or=80 nmol/L, he should ensure that the patients present a 25(OH)D >or=100 nmol/L.
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Affiliation(s)
- E Cavalier
- Department of Clinical Chemistry, University Hospital of Liège, Domaine du Sart-Tilman, 4000 Liège, Belgium.
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Colas E, Ruiz A, Monge M, Gonzalez M, Llaurado M, Castellvi J, Reventos J, Friederich E, Vignjevic D, Abal M. 446 ETV5 promote epithelial to mesenchymal transition during endometrial carcinoma invasion and is modulated by LPP. EJC Suppl 2010. [DOI: 10.1016/s1359-6349(10)71247-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Monge M, Montaño D, Bandrés I, Lafuente C, Royo F. Volumetric, acoustic and refractive properties at several temperatures of dibutyl ether+1-chlorobutane system. J Mol Liq 2009. [DOI: 10.1016/j.molliq.2009.10.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Monge M, Colas E, Doll A, Gil-Moreno A, Castellvi J, Diaz B, Gonzalez M, Lopez-Lopez R, Xercavins J, Carreras R, Alameda F, Canals F, Gabrielli F, Reventos J, Abal M. Proteomic approach to ETV5 during endometrial carcinoma invasion reveals a link to oxidative stress. Carcinogenesis 2009; 30:1288-97. [DOI: 10.1093/carcin/bgp119] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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Doll A, Abal M, Rigau M, Monge M, Gonzalez M, Demajo S, Colás E, Llauradó M, Alazzouzi H, Planagumá J, Lohmann MA, Garcia J, Castellvi S, Ramon y Cajal J, Gil-Moreno A, Xercavins J, Alameda F, Reventós J. Novel molecular profiles of endometrial cancer-new light through old windows. J Steroid Biochem Mol Biol 2008; 108:221-9. [PMID: 18061438 DOI: 10.1016/j.jsbmb.2007.09.020] [Citation(s) in RCA: 151] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Endometrial carcinoma (EC) is the most common gynecological malignancy in the western world. A widely accepted dualistic model, which has been established on a morphological basis, differentiates EC into two broad categories: Type I oestrogen-dependent adenocarcinoma with an endometrioid morphology and Type II non-oestrogen-dependent EC with a serous papillary or clear cell morphology. Molecular genetic evidence indicates that endometrial carcinoma, as described in other malignancies, likely develops as the result of a stepwise accumulation of alterations in cellular regulatory pathways, such as oncogene activation and tumor suppressor gene inactivation, which lead to dysfunctional cell growth. These molecular alterations appear to be specific in Type I and Type II cancers. In type I endometrioid endometrial cancer, PTEN gene silencing in conjunction with defects in DNA mismatch repair genes, as evidenced by the microsatellite instability phenotype, or mutations in the K-ras and/or beta-catenin genes, are recognized major alterations, which define the progression of the normal endometrium to hyperplasia, to endometrial intraepithelial neoplasia, and then on to carcinoma. In contrast, Type II cancers show mutations of TP53 and Her-2/neu and seem to arise from a background of atrophic endometrium. Nevertheless, despite the great effort made to establish a molecularly-based histological classification, the following issues must still be clarified: what triggers the tumor cells to invade the myometrium and what causes vascular or lymphatic dissemination, finally culminating in metastasis? RUNX1, a transcription factor, was recently identified as one of the most highly over-expressed genes in a microarray study of invasive endometrial carcinoma. Another candidate gene, which may be associated with an initial switch to myometrial infiltration, is the transcription factor ETV5/ERM. These studies, as well as those conducted for other genes possibly involved in the mitotic checkpoint as a major mechanism of carcinogenesis in non-endometrioid endometrial cancer, could help in understanding the differences in the biology and the clinical outcome among histological types.
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Affiliation(s)
- A Doll
- Unitat de Recerca Biomedica, Research Institute Vall d'Hebron University Hospital, Passeig Vall d'Hebron 119-129, Barcelona, Spain
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Abal M, Llauradó M, Doll A, Monge M, Colas E, González M, Rigau M, Alazzouzi H, Demajo S, Castellví J, García A, Ramón y Cajal S, Xercavins J, Vázquez-Levin MH, Alameda F, Gil-Moreno A, Reventos J. Molecular determinants of invasion in endometrial cancer. Clin Transl Oncol 2007; 9:272-7. [PMID: 17525037 DOI: 10.1007/s12094-007-0054-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Endometrial carcinoma is the most common gynaecological malignancy in the western world and the most frequent among infiltrating tumours of the female genital tract. Despite the characterisation of molecular events associated with the development of endometrial carcinoma, those associated with the early steps of infiltration and invasion in endometrial cancer are less known. Deep myometrial invasion correlates with more undifferentiated tumours, lymph-vascular invasion, node affectation and decreased global survival. In this review we present an overview of the molecular pathology of myometrial infiltration that defines the initial steps of invasion in endometrial cancer. Down-regulation of E-cadherin as a main player of epithelial to mesenchymal transition, as well as modifications on other molecules involved in cell-cell contacts, render cells with a migratory phenotype. In addition, altered signalling pathways and transcription factors associate with myometrial invasion, histologic grade and metastasis.
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Affiliation(s)
- M Abal
- Biomedical Research Unit, Research Institute Vall d'Hebron University Hospital, Barcelona, Spain.
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Monge M, Vaida I, Modeliar SS, Solanilla A, Airapetian N, Presne C, Makdassi R, Fournier A, Choukroun G. Retroperitoneal hematoma compressing a single functioning kidney: an unusual cause of obstructive renal failure. Clin Nephrol 2007; 67:318-20. [PMID: 17542341 DOI: 10.5414/cnp67318] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
We report a case of a retroperitoneal hematoma occurring in a patient under anticoagulation therapy for deep-venous thrombosis and presenting as an anuric acute renal failure. A coexisting polycythemia vera led to misdiagnosis that could have been life-threatening. A woman, known for polycythemia vera and a single functioning right kidney, was admitted with mild abdominal pain in a context of recent deep venous thrombosis under low-molecular weight heparin. Clinical examination revealed hepatomegaly associated with polycythemia vera. Biochemical evaluation disclosed an acute renal failure, and renal ultrasonography showed no dilation of the renal pelvis. Retroperitoneal hematoma resulted in shock, progressive anemia and obstructive renal failure, related to renal pelvic compression. A right renal indwelling catheter was introduced to restore urine flow after one hemodialysis session, and an inferior vena cava filter was placed because of anti-coagulation contra-indication. However, pulmonary embolism occurred, so that oral anticoagulants were introduced. The hematoma resorbed spontaneously, and a year after this episode, the patient is still alive and well. Retroperitoneal hematoma is a rare cause of obstructive acute renal failure and a life-threatening complication of anti-coagulation therapy.
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Affiliation(s)
- M Monge
- Department of Nephrology, Internal Medicine and Intensive Care Unit, Amiens University Hospital Av R Laennec, 80054 Amiens, France.
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Abstract
OBJECTIVE The study aimed to analyze the correlation between lymphocyte counts and several psychopathological variables associated with psychological instability (depression, hostility, impulsivity, self-defeating personality traits, and borderline personality symptoms) in patients with bulimia nervosa (BN). METHOD Sixty BN patients were assessed, using specific scales for eating pathology, general psychopathology, impulsivity, depression, and borderline personality features. Lymphocyte and lymphocyte subset counts were performed. Plasma cortisol at 8:00, before and after administration of 1 mg of dexamethasone at 23:00, was determined. The influence of body weight, and the use of tobacco, alcohol, and caffeine was controlled. The relationship between each isolated variable and the number of immune cells was analyzed. In a second step, supplementary post-hoc analysis of the variables was introduced to confirm the accuracy of the psychopathological assessment. RESULTS Hostility was negatively correlated with the number of helper T-cells (CD4+). Patients with high hostility had lower CD4+ cell counts and lower CD4+/CD8+ ratios. In the post-hoc control study, hostility was significantly related with other "interpersonal" items. CONCLUSIONS These results support the idea that hostility, as an expression of disturbed interpersonal relationships, could play a role as a modulator of immune activity in patients with BN.
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Affiliation(s)
- F J Vaz-Leal
- Department of Psychiatry, Faculty of Medicine, University of Extremadura, 06071 Badajoz, Spain.
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Cristol JP, Seronie-Vivien S, Sternberg M, Cavalier E, Blanchecotte F, Hanser AM, Pieroni L, Galteau MM, Monge M, Boutten A, Desch G, Ait Djafer Z, Carlier MC, Barguil Y, Terrier N, Guerber F, Souberbielle JC, Delmas Y, Delanaye P, Panescu V, Rossert J, Fouqueray B, Houillier P, Froissart M, Lefebvre HP, Canaud B, Halimi JM. [Biology of renal functions and renal insufficiency]. Ann Biol Clin (Paris) 2006; 64:608-11. [PMID: 17256243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Affiliation(s)
- J-P Cristol
- Laboratoire de Biochimie, Hôpital Lapeyronnie, Montpellier.
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Souberbielle JC, Boutten A, Carlier MC, Chevenne D, Coumaros G, Lawson-Body E, Massart C, Monge M, Myara J, Parent X, Plouvier E, Houillier P. Inter-method variability in PTH measurement: implication for the care of CKD patients. Kidney Int 2006; 70:345-50. [PMID: 16788691 DOI: 10.1038/sj.ki.5001606] [Citation(s) in RCA: 184] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The National Kidney Foundation/Kidney-Dialysis Outcome Quality Initiative guidelines recommend to maintain the serum intact parathyroid hormone (PTH) concentration between 150 and 300 ng/l in chronic kidney disease (CKD) stage 5 patients. As these limits were derived from studies that used the Allegro intact PTH assay, we aimed to evaluate whether they were applicable to other PTH assays. We compared the PTH concentrations measured with 15 commercial immunoassays in 47 serum pools from dialysis patients, using the Allegro intact PTH assay as the reference. We also evaluated the recovery of graded amounts of synthetic 1-84 and 7-84 PTH added separately to a serum pool. Although the assays were highly correlated, the concentrations differed from one assay to another. The median bias between the tested assays and the Allegro intact PTH assay ranged from -44.9 to 123.0%. When the PTH concentrations were 150 or 300 ng/l with the Allegro intact PTH assay, they ranged with other assays from 83 to 323 ng/l and from 160 to 638 ng/l, respectively. The tested assays recognized 7-84 PTH with various cross-reactivities, whereas a given amount of 1-84 PTH was recovered differently by these assays. We found important inter-method variability in PTH results owing to both antibody specificity and standardization reasons. The unacceptable consequence is that opposite therapeutic attitudes may be reached in a single patient depending on the PTH assay used. We propose to use assay-specific decision limits for CKD patients, or to apply a correcting factor to the PTH results obtained with a given assay.
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Abal M, Planaguma J, Gil-Moreno A, Monge M, Gonzalez M, Baro T, Garcia A, Castellvi J, Ramon Y Cajal S, Xercavins J, Alameda F, Reventos J. Molecular pathology of endometrial carcinoma: transcriptional signature in endometrioid tumors. Histol Histopathol 2006; 21:197-204. [PMID: 16329044 DOI: 10.14670/hh-21.197] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A dualistic model, which has been established on a morphological basis and that differentiates type I endometrioid from type II non-endometrioid endometrial cancer, is widely accepted. Molecular genetics have provided us with data supporting the dualistic model of endometrial tumorigenesis and with some clues to speculate about the sequence of the molecular alterations defining the tumorigenesis pathways. In type I endometrioid endometrial cancer, PTEN gene silencing, microsatellite instability associated with defects in DNA mismatch repair genes, or mutations in the K-ras gene are the known major alterations defining the progression from normal endometrium to hyperplasia and then on to carcinoma. Recently, cDNA microarray technology for identifying the differences in gene expression patterns between the histological types of endometrial cancer have permitted the identification of differentially expressed genes that could help us to understand differences in the biology and the clinical outcome between histiotypes. Genes involved in the mitotic checkpoint as a major mechanism of carcinogenesis in non-endometrioid endometrial cancer, or altered genes associated with the initial steps of myometrial infiltration in endometrioid endometrial cancer, represent examples of how useful large genetic screenings can be for understanding the tumorigenesis process and the future directions in the molecular pathogenesis of endometrial cancer.
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Affiliation(s)
- M Abal
- Unitat de Recerca Biomedica, Vall d'Hebron Research Institute University Hospital, Barcelona, Spain
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Aragon-Vargas LF, Moncada-Jiménez J, Solera AJ, Quesada HJ, Barrenechea A, Monge M. Thermoregulation And Fluid Balance During Professional Soccer Competition In The Heat. Med Sci Sports Exerc 2005. [DOI: 10.1249/00005768-200505001-00167] [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: 11/21/2022]
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García Nieto V, Monge M, Hernández Hernández L, Callejón A, Yanes MI, García Rodríguez VE. [Study of the renal acidification capacity in children diagnosed of idiopathic hypercalciuria]. Nefrologia 2003; 23:219-24. [PMID: 12891936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023] Open
Abstract
OBJECTIVE To study the capacity of renal acidification in a group of children diagnosed of idiopathic hypercalciuria. PATIENT AND METHODS 36 children were studied, to those that were determined the pCO2 (UpCO2) maximum urinary with two different stimuli, acetazolamide and sodium bicarbonate (NaHCO3). At 33 of them, was performed an acidification test with frusemide stimulus. We studied a control group of 13 healthy children so much for the first one as the second tests and other 14 healthy children for the acidification test with frusemide. RESULTS In the tests performed with NaHCO3 and acetazolamide stimulus, they were not proven differences in the values of UpCO2 neither in the urinary concentration of HCO3- (UHCO3-) than control children. Nevertheless, the UpCO2 and the concentration of UHCO3- in the patients were significantly lower with acetazolamide with regard to the NaHCO3 stimulus. In the acidification test with frusemide, significantly lower values of titratable acid and ammonium were obtained than control children. CONCLUSIONS In children with idiopathic hypercalciuria, the capacity of secretion of H+ is normal, what is evidenced, especially, when studying the maximum UpCO2 after stimulus with NaHCO3. When diuretics are used as stimuli, exists more negative results that can be due to a certain partial resistance to the action of the same ones or to that are less potent to induce the secretion of H+.
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Affiliation(s)
- V García Nieto
- Unidad de Nefrología Pediátrica, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife
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Vaz FJ, García-Herráiz A, López-Vinuesa B, Monge M, Fernández-Gil MA, Guisado JA. [Purging behaviors and nutritional status in anorexia nervosa and bulimia nervosa]. NUTR HOSP 2003; 18:253-8. [PMID: 14596034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/27/2023] Open
Abstract
AIMS The aim of the study was to investigate whether the use of purgative methods in patients with eating disorders (anorexia nervosa [AN] and bulimia nervosa [BN]) could be capable of producing changes in the nutritional status of the patients. SETTING AND PATIENTS The group under study was composed of 184 female eating disordered outpatients. One hundred and sixteen patients (63.0%) fulfilled the DSM-IV diagnostic criteria for BN (90 purging type, 26 nonpurging type). Sixty eight patients (37.0%) fulfilled the DSM-IV criteria for the diagnosis of AN (48 restricting type, 20 binging-purging type). METHODS The assessment process included anthropometry (body circumferences and skinfold thickness) and body impedance analysis. RESULTS The two subgroups of AN patients significantly differed from each of the BN subgroups. From a nutritional point of view, some significant differences between the two DSM-IV subtypes of AN existed, but not between the purging type and the nonpurging type of BN. CONCLUSIONS The paper discusses the clinical significance of these findings. An alternative subtypification of AN patients is proposed: 1) restricting type [patients who control their food intake and do not purge]; 2) purging type [patient with true episodes of binging which are followed by purgative behaviors]; and 3) pseudopurging type [patients with subjective binging episodes who use purging methods].
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Affiliation(s)
- F J Vaz
- Unidad de Trastornos de la Alimentación, Consejería de Sanidad y Consumo, Facultad de Medicina, Universidad de Extremadura, Badajoz, España.
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Presne C, Monge M, Bataille P, el Esper N, Choukroun G, Fournier A. [Randomized trials in the prevention of recurrent calcium oxalate stones]. Nephrologie 2003; 24:303-7. [PMID: 14584297] [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] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
Kidney stone, with or without lumbar pain, is a major health care problem because of its prevalence and cost for both the patient and the society. Although, surgical procedures are well known, medical treatment and recurrences prophylaxis are uncodified. Fifteen stone recurrence prevention studies have been reviewed, evaluating dietary intake and drugs. The most important factor is a daily diuresis of at least 2 liters. Calcium intake shouldn't be restricted, whereas oxalate, sodium, and protein intakes have to be limited. Hyper and normocalciuretic kidney stone formers improve their outcome with thiazide or indapamide treatment. Hyperuricosuria justifies allopurinol. Potassium citrate (without sodium) may decrease recurrence risk, even in patients without hypocitraturia.
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Affiliation(s)
- C Presne
- Service de néphrologie médecine interne, CHU d'Amiens
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Mazouz H, Oprisiu R, Monge M, Andrejak M, Fournier A. [In contrast to captopril and enalapril, losartan does not increase mortality of gerbils after carotid ligation]. Arch Mal Coeur Vaiss 2001; 94:813-7. [PMID: 11575209] [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] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
OBJECTIVE To check wether the deleterious effect of enalaprilat administered before unilateral caroid ligation in the gerbil reported by Fernandez et al. (J Cardiovasc Pharmacol 1994; 24: 937) is not a molecule specific effect but an angiotensin converting enzyme inhibitor class effect. DESIGN AND METHOD Survival rate of gerbils (an animal with incomplete Willis hexagona) was measured after unilateral carotid ligation with preadministration (2 hours before by gavage) of saline (0.75 ml) (n = 37); losartan (20 mg/kg) (n = 37), enalaparil (10 mg/kg) (n = 37); a combination of losartan and enalapril at the same dose (n = 37); and of captopril (75 mg/kg) (n = 35). RESULTS The survival rate of the gerbils 72 hours after carotid ligation was 65% in control, 62% in losartan, 30% in enalapril, 32% in enalapril + losartan, and 32% in captopril groups. Statistical analysis (log rank test) of the Kaplan-Meier survival curves over 72 hours showed no difference between losartan and controls nor between the various groups treated with ACEI. However survival was significantly lower in the ACEI groups than in the group treated by losartan alone (p < 0.02) or controls (p < 0.02). Intraaortic mean arterial pressure was measured in 6 controls, 6 animals treated with losartan and 6 other treated with enalapril. It was comparable in the losartan and enalapril treated animals (65 +/- 2 mm Hg vs 64 +/- 2) but significantly lower than in the controls (77 +/- 2 mmHg) (p < 0.02). CONCLUSIONS In contrast to oral preadministration of enalapril and captopril that of losartan does not increase the mortality of the gerbil after unilateral carotid ligation in spite of the same decrease in systemic blood pressure. Although a lower mortality than in controls was not observed with losartan as in the princeps study of Fernandez, these data are consistent with the demonstration by this author that angiotensin II plays a critical protective role in acute ischemia probably by promoting collateral circulation recruitment through non-AT1 receptors stimulation.
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Affiliation(s)
- H Mazouz
- Service de néphrologie, Hôpital Sud, 80054 Amiens
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41
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León G, Monge M, Rojas E, Lomonte B, Gutiérrez JM. Comparison between IgG and F(ab')(2) polyvalent antivenoms: neutralization of systemic effects induced by Bothrops asper venom in mice, extravasation to muscle tissue, and potential for induction of adverse reactions. Toxicon 2001; 39:793-801. [PMID: 11137538 DOI: 10.1016/s0041-0101(00)00209-9] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Whole IgG and F(ab')(2) equine-derived polyvalent (Crotalinae) antivenoms, prepared from the same batch of hyperimmune plasma, were compared in terms of neutralization of the lethal and defibrinating activities induced by Bothrops asper venom, their ability to reach the muscle tissue compartment in envenomated mice, and their potential for the induction of adverse reactions. Both preparations were adjusted to the same potency against the lethal effect of B. asper venom in experiments involving preincubation of venom and antivenom. Then, "rescue" experiments were performed, i.e. antivenom was administered either intravenously or intramuscularly at various times after envenomation. IgG and F(ab')(2) antivenoms were equally effective in the neutralization of lethality, both being more effective when administered i.v. than after i.m. injection. Neutralization decreased as the time lapse between envenomation and treatment increased. No significant differences were observed in the ability of antivenoms to neutralize defibrinating activity of B. asper venom in experiments involving independent injection of venom and antivenoms. There was a much higher accumulation of equine antibodies in muscle tissue that had been injected with B. asper venom than in non-envenomated tissue, indicating that venom-induced microvessel damage probably favors a prominent and similar extravasation of both IgG and F(ab')(2) antibodies. This may explain the similar effectiveness of both types of antivenom in previously reported studies on the neutralization of venom-induced local tissue damage. Both IgG and F(ab')(2) antivenoms activate human complement in vitro and induce an anti-equine immunoglobulin response in mice, indicating that Fc removal per se does not eliminate the potential for inducing adverse reactions. However, IgG antivenom had higher anticomplementary activity and induced a stronger anti-immunoglobulin response than F(ab')(2) antivenom.
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Affiliation(s)
- G León
- Instituto Clodomiro Picado, Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica
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42
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Crespo O, Laguna A, Fernández EJ, López-de-Luzuriaga JM, Jones PG, Teichert M, Monge M, Pyykkö P, Runeberg N, Schütz M, Werner HJ. Experimental and theoretical studies of the d8-d10 interaction between Pd(II) and Au(I): bis(chloro[(phenylthiomethyl)diphenylphosphine]gold(I))- dichloropalladium(II) and related systems. Inorg Chem 2000; 39:4786-92. [PMID: 11196955 DOI: 10.1021/ic000420p] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The reaction between thioether phosphine gold(I) precursors such as [AuCl(Ph2PCH2SPh)], 1, or [Au(Ph2PCH2SPh)2]CF3SO3 and PdCl2(NCPh)2 affords the new compounds [(AuCl(Ph2PCH2SPh)2PdCl2], 2, and [AuPdCl2(Ph2PCH2SPh)2]CF3SO3, 3. The crystal structure of complex 2 has the sterically unhindered Pd(II) and Au(I) at a distance of 314 pm. Quasirelativistic pseudopotential calculations on [AuPdCl3(PH2CH2SH)(SH2)] models give short Au-Pd distances at the second-order Møller-Plesset (MP2) level and long Au-Pd distances at Hartree-Fock (HF) level. A detailed analysis of the Au-Pd interaction shows dominant dispersion, some ionic contributions, and no net charge transfer between the metals.
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Affiliation(s)
- O Crespo
- Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, E-50009 Zaragoza, Spain
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Monge M, García-Nieto VM, Domenech E, Barac-Nieto M, Muros M, Pérez-González E. Study of renal metabolic disturbances related to renal lithiasis at school age in very-low-birth-weight children. Nephron Clin Pract 2000; 79:269-73. [PMID: 9678425 DOI: 10.1159/000045048] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
We studied 34 asymptomatic children who were born with a very-low-birth-weight (VLBW) and had no perinatal history of acute renal failure nor treatment with furosemide. The study was done at preschool or school age, looking for echographic changes and renal tubular disturbances which are known to predispose to renal lithiasis. The results were compared with those of a control group of 18 children who had been born at term with a body weight >2,500 g. One or more renal tubular disturbances were found in 64.70% of the VLBW children. Most frequently found were decreased ammonium excretion in response to furosemide (38.23%), enhanced N-acetylglucosaminidase excretion (35.29%), hypercalciuria (26.47%), and hypocitraturia (23.53%). Echography revealed renal cortical hyperechogenicity (17.65%) and renal lithiasis (8.82 %) in some of the VLBW children. We found a significant positive correlation (r = 0.7) between the perinatal level of plasma phosphate and the total amount of H+ excreted in response to furosemide at preschool or school age. Because these renal tubular anomalies may be precursors of future lithiasis, and the renal function and echography tests are not invasive, we suggest that renal tubular function be measured and followed up in every VLBW child, particularly when perinatal hypophosphatemia has occurred.
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Affiliation(s)
- M Monge
- Pediatric Nephrology Unit, Nuestra Señora de la Candelaria Hospital, Santa Cruz de Tenerife, Spain
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Bachmeyer C, Monge M, Cazier A, Le Deist F, de Saint Basile G, Durandy A, Fischer A, Mougeot-Martin M. Gastric adenocarcinoma in a patient with X-linked agammaglobulinaemia. Eur J Gastroenterol Hepatol 2000; 12:1033-5. [PMID: 11007143 DOI: 10.1097/00042737-200012090-00013] [Citation(s) in RCA: 70] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
Patients with primary immunodeficiencies are at high risk for developing haematological malignancies and, to a lesser degree, carcinoma. We report a patient with ascertained X-linked agammaglobulinaemia who developed a gastric carcinoma involving the distal part of the stomach associated with chronic atrophic gastritis and intestinal metaplasia. These latter conditions are considered to be precursor conditions and the role of chronic infections is likely. Patients with X-linked agammaglobulinaemia, as with other primary immunodeficiencies, could benefit from regular gastrointestinal evaluation, leading to early diagnosis and treatment of carcinoma.
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Affiliation(s)
- C Bachmeyer
- Département de Médecine Interne and Service d'Anatomo-Pathologie, Hôpital Laënnec, Creil, France
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Bachmeyer C, Monge M, Dhôte R, Danon O, Mougeot-Martin M. [A good profile. Coccygeal metastasis]. Rev Med Interne 2000; 21:458-9. [PMID: 10874766 DOI: 10.1016/s0248-8663(00)88957-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- C Bachmeyer
- Département de médecine interne, hôpital Laënnec, Creil, France
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Zúñiga S, De Mañana M, Monge M, García C, González S, Iturriaga L, Sánchez I. [Vegetal foreign body in the airway: an unusual cause of hemoptysis in childhood. Clinical case]. Rev Med Chil 2000; 128:323-9. [PMID: 10962876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Hemoptysis is an infrequent symptom in childhood and potentially life threatening. The most common causes in this age group are bronchiectasis secondary to cystic fibrosis, cardiovascular and pulmonary congenital anomalies and a miscellaneous group of causes including retained intrabronchial aspirated foreign bodies. We report a previously healthy 5-year-old girl with recurrent pneumonias associated with episodes of hemoptysis. She was admitted in our institution to investigate the persistence of hemoptysis. Based on clinical history, aspiration of a vegetal foreign body was postulated as the etiology and it was confirmed in the pathological examination after surgical exploration, with pulmonary lobe resection. The importance of a good history taking in pediatric hemoptysis is emphasized.
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Affiliation(s)
- S Zúñiga
- Departamento de Pediatría, Facultad de Medicina, Pontificia Universidad Católica de Chile.
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Fernandez EJ, Lopez-de-Luzuriaga JM, Monge M, Rodriguez MA, Crespo O, Gimeno MC, Laguna A, Jones PG. Heteropolynuclear complexes with the ligand Ph2PCH2SPh: theoretical evidence for metallophilic Au-M attractions. Chemistry 2000; 6:636-44. [PMID: 10807175 DOI: 10.1002/(sici)1521-3765(20000218)6:4<636::aid-chem636>3.0.co;2-a] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Addition of two equivalents of diphenylthiomethylphosphine (PPh2-CH2SPh) to the starting materials [Au(tht)2]A (tht = tetrahydrothiophene), AgCF3SO3, or [Cu(CH3CN)4]CF3SO3 produces the mononuclear derivatives [M(PPh2CH2SPh)2]A (M = Au, A = CF3SO3 (1a); M = Au, A = ClO4 (1b); M = Ag, A = CF3SO3 (4); M = Cu, A = CF3SO3 (5)) which are able to form the heterodinuclear complexes [AuM'(PPh2CH2SPh)2](CF3SO3)2 (M' = Ag (2), Cu (3)) with a P-Au-P environment. If the starting gold complex is [Au(C6F5)(tht)], reaction with the phosphine produces [Au(C6F5)-(PPh2CH2SPh)] (6) from which, by reaction with AgCF3SO3 or [Cu(CH3CN)4]CF3SO3, the "snake"-type linear complexes [Au2M(C6F5)2-(PPh2CH2SPh)2]CF3SO3 (M = Ag (7), Cu (8)) are obtained. If the silver starting complex is AgCF3CO2, reaction in a 1:1 ratio gives the tetranuclear complex [Au2Ag2(C6F5)2(PPh2CH2SPh)2-(CF3CO2)2] (9). When the molar ratio is 1:2 the trinuclear complex [AuAg2(C6F5) (CF3CO2)2(PPh2CH2SPh)] (10) is obtained. According to ab initio calculations, the presence of only one gold atom is enough to induce metallophilic attractions in the group congeners, and this effect can be modulated depending on the gold ligand.
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Affiliation(s)
- EJ Fernandez
- Departamento de Quimica, Universidad de La Rioja, UA-CSIC, Logrono, Spain
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Bachmeyer C, Monge M, Danon O. Phalangeal metastases indicating relapse of non-Hodgkin's lymphoma. J Rheumatol 2000; 27:281-2. [PMID: 10648059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
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Bachmeyer C, Monge M, Dhôte R, Sanguina M, Aractingi S, Mougeot-Martin M. Eosinophilic fasciitis following idiopathic thrombocytopenic purpura, autoimmune hemolytic anemia and Hashimoto's disease. Dermatology 1999; 199:282. [PMID: 10592421 DOI: 10.1159/000018271] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Alba PM, Báez JM, Paz A, Monge M, Mendoza C. Atypical microangiopathy in a patient treated with ticlopidine. Haematologica 1998; 83:380-1. [PMID: 9592992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Microangiopathies are rare complications during treatments with ticlopidine. We describe an atypical microangiopathy, affecting almost exclusively myocardium, and thrombocytopenia, shortly after onset of ticlopidine. The patient died a few days after. Autopsy showed no bleedings or large thrombi in most organs, but were compatible with microangiopathy in myocardial small vessels.
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