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Souissi R, Bouricha B, Bouguila N, El Mir L, Labidi A, Abderrabba M. Chemical VOC sensing mechanism of sol-gel ZnO pellets and linear discriminant analysis for instantaneous selectivity. RSC Adv 2023; 13:20651-20662. [PMID: 37435386 PMCID: PMC10332130 DOI: 10.1039/d3ra03042c] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 07/05/2023] [Indexed: 07/13/2023] Open
Abstract
This work reports on the integration of ZnO pellets for use as a virtual sensor array (VSA) of volatile organic compounds (VOCs). ZnO pellets consist of nano-powder prepared using a sol-gel technique. The microstructure of the obtained samples was characterized by XRD and TEM methods. The response to VOCs at different concentrations was measured over a range of operating temperatures (250-450 °C) using DC electrical characterization. The ZnO based sensor showed a good response towards ethanol, methanol, isopropanol, acetone and toluene vapors. We note that the highest sensitivity (0.26 ppm-1) is obtained with ethanol while the lowest one (0.041 ppm-1) corresponds to methanol. Consequently, the limit of detection (LOD) estimated analytically reached 0.3 ppm for ethanol and 2.0 ppm for methanol at an operating temperature of 450 °C. The sensing mechanism of the ZnO semiconductor was developed on the basis of the reaction between the reducing VOCs with the chemisorbed oxygen. We verify through the Barsan model that mainly O- ions in the layer react with VOC vapor. Furthermore, dynamic response was investigated to construct mathematical features with distinctly different values for each vapor. Basic linear discrimination analysis (LDA) shows a good job of separating two groups by combining features. In the same way we have shown an original reason embodying the distinction between more than two volatile compounds. With relevant features and VSA formalism, the sensor is clearly selective towards individual VOCs.
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Affiliation(s)
- R Souissi
- Université de Carthage, Laboratoire des Matériaux, Molécules et Applications IPEST BP 51 La Marsa 2070 Tunisia +21628419444
| | - B Bouricha
- Université de Carthage, Laboratoire des Matériaux, Molécules et Applications IPEST BP 51 La Marsa 2070 Tunisia +21628419444
| | - N Bouguila
- Laboratoire de Physique des Matériaux et des Nanomatériaux appliqué à l'environnement, Faculté des Sciences de Gabès, Université de Gabès Cité Erriadh, Zrig 6072 Gabès Tunisia
| | - L El Mir
- Laboratoire de Physique des Matériaux et des Nanomatériaux appliqué à l'environnement, Faculté des Sciences de Gabès, Université de Gabès Cité Erriadh, Zrig 6072 Gabès Tunisia
| | - A Labidi
- Department of Physics, College of Science and Art at Ar-Rass, Qassim University Buraydah 51921 Saudi Arabia
| | - M Abderrabba
- Université de Carthage, Laboratoire des Matériaux, Molécules et Applications IPEST BP 51 La Marsa 2070 Tunisia +21628419444
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Yacoub A, Ayadi A, Ayed W, Ayari S, Chebbi S, Magroun I, Ben Afia L, Mersni M, Mechergui N, Brahim D, Ben Said H, Bahri G, Youssef I, Ladhari N, Mziou N, Grassa A, M'rad M, Khessairi N, Krir A, Chihaoui M, Mahjoub S, Bahlous A, Jridi M, Cherif Y, Derbal S, Chebbi D, Hentati O, Ben Dahmen F, Abdallah M, Hamdi I, Sahli F, Ouerdani Y, Mnekbi Y, Abaza H, Ajmi M, Guedria A, Randaline A, Ben Abid H, Gaddour N, Maatouk A, Zemni I, Gara A, Kacem M, Maatouk I, Ben Fredj M, Abroug H, Ben Nasrallah C, Dhouib W, Bouanene I, Sriha A, Mahmoudi M, Gharbi G, Khsiba A, Azouz M, Ben Mohamed A, Yakoubi M, Medhioub M, Hamzaoui L, Azouz M, Ben Attig Y, Hamdi S, Essid R, Ben Jemia E, Rezgui B, Boudaya MS, Hassine H, Dabbabi H, Fradi Y, Cherif D, Lassoued I, Yacoub H, Kchir H, Maamouri N, Khairi W, Ben Ammar H, Abaza H, Chelbi E, Merhaben S, Neffati W, Ajmi M, Tarchalla S, Boughzala S, Gazzeh M, Gara S, Labidi A, Touati H, Nefzi AM, Ben Mustpha N, Fekih M, Serghini M, Boubaker J, Zouiten L, Driss A, Meddeb N, Driss I, Walha S, Ben Said H, Bel Hadj Mabrouk E, Zaimi Y, Mensi A, Trad N, Ayadi S, Said Y, Mouelhi L, Dabbèche R, Belfkih H, Bani M, Moussa A, Souissi S, Trabelsi Werchfeni B, Chelly S, Ezzi O, Ammar A, Besbes M, Njah M, Mahjoub M, Ghali H, Neffati A, Bhiri S, Bannour R, Ayadi S, Khouya FE, Kamel A, Hariz E, Aidani S, Kefacha S, Ben Cheikh A, Said H, Dogui S, Atig A, Gara A, Ezzar S, Ben Fradj M, Bouanène I, M'kadmi H, Farhati M, Dakhli N, Nalouti K, Chanoufi MB, Abouda SH, Louati C, Zaaimi Y, Dabbeche R, Hermi A, Saadi A, Mokaddem S, Boussaffa H, Bellali M, Zaghbib S, Ayed H, Bouzouita A, Derouiche A, Allouche M, Chakroun M, Ben Slama R, Gannoun N, Kacem I, Tlili G, Kahloul M, Belhadj Chabbah N, Douma F, Bouhoula M, Chouchene A, Aloui A, Maoua M, Brahem A, Kalboussi H, El Maalel O, Chatti S, Jaidane M, Naija W, Mrizek N, Sellami I, Feki A, Hrairi A, Kotti N, Baklouti S, Jmal Hammami K, Masmoudi ML, Hajjaji M, Naaroura A, Ben Amar J, Ouertani H, Ben Moussa O, Zaibi H, Aouina H, Ben Jemaa S, Gassara Z, Ezzeddine M, Kallel MH, Fourati H, Akrout R, Kallel H, Ayari M, Chehaider A, Souli F, Abdelaali I, Ziedi H, Boughzala C, Haouari W, Chelli M, Soltani M, Trabelsi H, Sahli H, Hamdaoui R, Masmoudi Y, Halouani A, Triki A, Ben Amor A, Makni C, Eloillaf M, Riahi S, Tlili R, Jmal L, Belhaj Ammar L, Nsibi S, Jmal A, Boukhzar R, Somai M, Daoud F, Rachdi I, Ben Dhaou B, Aydi Z, Boussema F, Frikha H, Hammami R, Ben Cheikh S, Chourabi S, Bokri E, Elloumi D, Hasni N, Hamza S, Berriche O, Dalhoum M, Jamoussi H, Kallel L, Mtira A, Sghaier Z, Ghezal MA, Fitouri S, Rhimi S, Omri N, Rouiss S, Soua A, Ben Slimene D, Mjendel I, Ferchichi I, Zmerli R, Belhadj Mabrouk E, Debbeche R, Makhloufi M, Chouchane A, Sridi C, Chelly F, Gaddour A, Kacem I, Chatti S, Mrizak N, Elloumi H, Debbabi H, Ben Azouz S, Marouani R, Cheikh I, Ben Said M, Kallel M, Amdouni A, Rejaibi N, Aouadi L, Zaouche K, Khouya FE, Aidani S, Khefacha S, Jelleli N, Sakly A, Zakhama W, Binous MY, Ben Said H, Bouallegue E, Jemmali S, Abcha S, Wahab H, Hmida A, Mabrouk I, Mabrouk M, Elleuch M, Mrad M, Ben Safta N, Medhioub A, Ghanem M, Boughoula K, Ben Slimane B, Ben Abdallah H, Bouali R, Bizid S, Abdelli MN, Ben Nejma Y, Bellakhal S, Antit S, Bourguiba R, Zakhama L, Douggui MH, Bahloul E, Dhouib F, Turki H, Sabbah M, Baghdadi S, Trad D, Bellil N, Bibani N, Elloumi H, Gargouri D, Ben Said M, Hamdaoui R, Chokri R, Kacem M, Ben Rejeb M, Miladi A, Kooli J, Touati S, Trabelsi S, Klila M, Rejeb H, Kammoun H, Akrout I, Greb D, Ben Abdelghaffar H, Hassene H, Fekih L, Smadhi H, Megdiche MA, Ksouri J, Kasdalli H, Hayder A, Gattoussi M, Chérif L, Ben Saida F, Gueldich M, Ben Jemaa H, Dammak A, Frikha I, Saidani A, Ben Amar J, Aissi W, Chatti AB, Naceur I, Ben Achour T, Said F, Khanfir M, Lamloum M, Ben Ghorbel I, Houman M, Cherif T, Ben Mansour A, Daghfous H, Slim A, Ben Saad S, Tritar F, Naffeti W, Abdellatif J, Ben Fredj M, Selmi M, Kbir GH, Maatouk M, Jedidi L, Taamallah F, Ben Moussa M, Halouani L, Rejeb S, Khalffalah N, Ben Ammar J, Hedhli S, Azouz MM, Chatti S, Athimni Z, Bouhoula M, Elmaalel O, Mrizak N, Maalej M, Kammoun R, Gargouri F, Sallemi S, Haddar A, Masmoudi K, Oussaifi A, Sahli A, Bhouri M, Hmaissi R, Friha M, Cherif H, Baya C, Triki M, Yangui F, Charfi MR, Ben Hamida HY, Karoui S, Aouini F, Hajlaoui A, Jlassi H, Sabbah M, Fendri MN, Kammoun N, Fehri S, Nouagui H, Harzalli A, Snène H, Belakhal S, Ben Hassine L, Labbene I, Jouini M, Kalboussi S, Ayedi Y, Harizi C, Skhiri A, Fakhfakh R, Jelleli B, Belkahla A, Fejjeri M, Zeddini M, Mahjoub S, Nouira M, Frih N, Debiche S, Blibech H, Belhaj S, Mehiri N, Ben Salah N, Louzir B, Kooli J, Bahri R, Chaka A, Abdenneji S, Majdoub Fehri S, Hammadi J, Dorgham D, Hriz N, Kwas H, Issaoui N, Jaafoura S, Bellali H, Shimi M, Belhaj Mabrouk E, Sellami R, Ketata I, Medi W, Mahjoub M, Ben Yacoub S, Ben Chaabene A, Touil E, Ben Ayed H, Ben Miled S, El Zine E, Khouni H, Ben Kadhi S, Maatoug J, Boulma R, Rezgui R, Boudokhane M, Jomni T, Chamekh S, Aissa S, Touhiri E, Jlaiel N, Oueslati B, Maaroufi N, Aouadi S, Belkhir S, Daghfous H, Merhaben S, Dhaouadi N, Ounaes Y, Chaker K, Yaich S, Marrak M, Bibi M, Mrad Dali K, Sellami A, Nouira Y, Sellami S, Anane I, Trabelsi H, Ennaifer R, Benzarti Z, Bouchabou B, Hemdani N, Nakhli A, Cherif Y, Abdelkef M, Derbel K, Barkous B, Yahiaoui A, Sayhi A, Guezguez F, Rouatbi S, Racil H, Ksouri C, Znegui T, Maazaoui S, Touil A, Habibech S, Chaouech N, Ben Hmid O, Ismail S, Chouaieb H, Chatti M, Guediri N, Belhadj Mohamed M, Bennasrallah C, Bouzid Y, Zaouali F, Toumia M, El Khemiri N, El Khemiri A, Sfar H, Farhati S, Ben Chehida F, Yamoun R, Braham N, Hamdi Y, Ben Mansour A, Mtir M, Ayari M, Toumia M, Rouis S, Sakly H, Nakhli R, Ben Garouia H, Chebil D, Hannachi H, Merzougui L, Samet S, Hrairi A, Mnif I, Hentati O, Bouzgarrou L, Souissi D, Boujdaria R, Kadoussi R, Rejeb H, Ben Limem I, Ben Salah I, Greb D, Ben Abdelghaffar H, Smadhi H, Laatiri H, Manoubi SA, Gharbaoui M, Hmandi O, Zhioua M, Taboubi F, Hamza Y, Hannach W, Jaziri H, Gharbi R, Hammami A, Dahmani W, Ben Ameur W, Ksiaa M, Ben Slama A, Brahem A, Elleuch N, Jmaa A, Kort I, Jlass S, Benabderrahim S, Turki E, Belhaj A, Kebsi D, Ben Khelil M, Rmadi N, Gamaoun H, Alaya Youzbechi F, Brahim T, Boujnah S, Abid N, Gader N, Kalboussi S, Ben Sassi S, Loukil M, Ghrairi H, Ben Said N, Mrad O, Ferjaoui M, Hedhli L, Ben Kaab B, Berriche A, Charfi R, Mourali O, Smichi I, Bel Haj Kacem L, Ksentini M, Aloui R, Ferchichi L, Nasraoui H, Maoua M, Chérif F, Belil Y, Ayed MA, Alloulou Y, Belhadj S, Daghfous J, Mehiri N, Louzir B, Abbes A, Ghrab A, Chermiti A, Akacha A, Mejri O, Debbiche A, Yahiaoui C, Binous M, Tissaoui A, Mekni K, El Fekih C, Said MA, Chtioui S, Mestiri S, Smaoui H, Ben Hamida S, Haddar A, Mrizek N, Gares N, Zaibi A, Bouazizi N, Gallas S, Lachhab A, Belhadj M, Hadj Salem N, Garrouch A, Mezgar Z, Khrouf M, Abbassi H, Souissi D, Hamra I, Ben Mustapha N, Abessi I, Boubaker F, Bouchareb S, ElOmma Mrabet H, Touil I, Boussoffara L, Knani J, Boudawara N, Alaya W, Sfar MH, Fekih S, Snène H, Boudawara N, Gargouri I, Benzarti W, Knaz A, Abdelghani A, Aissa S, Hayouni A, Mejri I, Kacem M, Mhamdi S, Daboussi S, Aichaouia C, Moatemri Z, Chaachou A, Fsili R, Ben Ghezala H, Ben Jazia A, Brahmi N. 2022 TUNISIAN NATIONAL CONGRESS OF MEDICINE ABSTRACTS. Tunis Med 2023; 101:62-64. [PMID: 37682263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Indexed: 09/09/2023]
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Labidi A, Souissi S, Nefzi A, Hafi M, Ben Mustapha N, Fekih M, Boubaker J, Serghini M. Les thromboses veineuses splanchniques : à propos de 46 cas. Rev Med Interne 2022. [DOI: 10.1016/j.revmed.2022.03.125] [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: 11/27/2022]
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Roche M, Mircher C, Toulas J, Prioux E, Conte M, Ravel A, Falquero S, Labidi A, Stora S, Durand S, Mégarbané A, Cieuta-Walti C. Efficacy and safety of methylphenidate on attention deficit hyperactivity disorder in children with Down syndrome. J Intellect Disabil Res 2021; 65:795-800. [PMID: 33880800 DOI: 10.1111/jir.12832] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 02/14/2021] [Accepted: 02/21/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Attention deficit hyperactivity disorder (ADHD) is a common co-morbidity that affects up to 44% of children with Down syndrome (DS). There is a need for reliable, good quality research on the use of methylphenidate within this population. The objective of this study is to report our experience regarding the management of ADHD in these children using methylphenidate. METHODS This study is a retrospective observation of 21 children with DS, followed at Jérôme Lejeune Institute between 2000 and 2018. The diagnosis of ADHD was made using the Diagnostic and Statistical Manual of Mental Disorders criteria. Efficacy was measured as response or non-response on two main symptoms: attention/concentration and hyperactivity/impulsivity. Safety was evaluated by the presence or absence of side effects. RESULTS Sixteen out of the 21 children (76%) showed improvement with methylphenidate. The average age of treatment onset in responding children was 8 years and 10 months versus 6 years and 3 months in non-responders (P = 0.05). Average dose/weight was significantly different in responders and non-responders (0.82 vs. 0.54 mg/kg/day, respectively; P = 0.03). Twelve children out of 21 (57%) experienced side effects; only three experienced side effects severe enough to require treatment interruption. Most common side effects were loss of appetite and difficulties in falling asleep. CONCLUSION Methylphenidate was effective and safe in treating ADHD in 76% of cases in children with DS, with few serious side effects to report. Early diagnosis of ADHD is important to improve the quality of life, learning, inclusion and socialisation of children with DS.
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Affiliation(s)
- M Roche
- CRB BioJeL, Institut Jérôme Lejeune, Paris, France
| | - C Mircher
- CRB BioJeL, Institut Jérôme Lejeune, Paris, France
| | - J Toulas
- CRB BioJeL, Institut Jérôme Lejeune, Paris, France
| | - E Prioux
- CRB BioJeL, Institut Jérôme Lejeune, Paris, France
| | - M Conte
- CRB BioJeL, Institut Jérôme Lejeune, Paris, France
| | - A Ravel
- CRB BioJeL, Institut Jérôme Lejeune, Paris, France
| | - S Falquero
- CRB BioJeL, Institut Jérôme Lejeune, Paris, France
| | - A Labidi
- CRB BioJeL, Institut Jérôme Lejeune, Paris, France
| | - S Stora
- CRB BioJeL, Institut Jérôme Lejeune, Paris, France
| | - S Durand
- CRB BioJeL, Institut Jérôme Lejeune, Paris, France
| | - A Mégarbané
- CRB BioJeL, Institut Jérôme Lejeune, Paris, France
- Department of Human Genetics, Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Byblos, Lebanon
| | - C Cieuta-Walti
- CRB BioJeL, Institut Jérôme Lejeune, Paris, France
- Department of Pediatric Neurology, Sherbrooke Medical University, Sherbrooke, Quebec, Canada
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Souissi R, Bouguila N, Bouricha B, Vázquez-Vázquez C, Bendahan M, Labidi A. Thickness effect on VOC sensing properties of sprayed In 2S 3 films. RSC Adv 2020; 10:18841-18852. [PMID: 35518296 PMCID: PMC9054027 DOI: 10.1039/d0ra01573c] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 05/10/2020] [Indexed: 11/21/2022] Open
Abstract
This work reports the thickness effect on the sensing performances of In2S3 material for some Volatile Organic Compounds (VOCs). In2S3 films were deposited on glass substrates by the spray pyrolysis technique. Different samples were prepared via changing the spray time in the range of 10–90 min. The film thickness varies from 0.8 μm to 6.1 μm. The X-ray diffraction results demonstrate that the In2S3 films are polycrystalline in nature and exhibit a cubic structure. Additionally, Scanning Electron Microscopy (SEM) and 3D profilometry examinations show that the surface roughness increases with the rising spray time. On the other hand, the oxygen adsorption versus working temperature was investigated. Sensing measurements with ethanol, methanol and acetone gases were carried out by a dynamic control of the current passing through the sensitive layers. The best sensitivity was obtained for the film matching a 70 min deposit time. An understanding of the detection mechanism based on the oxidation reaction between reduced vapors and chemisorbed oxygen was confirmed. The selectivity of the sensor was analyzed for several volatile organic compounds (VOCs). The dynamic response of In2S3 films to 4000 ppm of methanol, ethanol and acetone at 350 °C for thicknesses varying from 0.8 μm to 6.1 μm.![]()
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Affiliation(s)
- R Souissi
- Tunis University, Ecole Nationale Supérieure d'ingénieurs de Tunis (ENSIT) Tunisia.,Carthage University, Laboratoire des Matériaux, Molécules et Applications IPEST BP 51, La Marsa 2070 Tunis Tunisia
| | - N Bouguila
- Gabès University, Laboratoire de Physique des Matériaux et des Nanomatériaux appliqué à l'environnement, Faculté des Sciences de Gabès Cité Erriadh, Zrig 6072 Gabès Tunisia
| | - B Bouricha
- Carthage University, Laboratoire des Matériaux, Molécules et Applications IPEST BP 51, La Marsa 2070 Tunis Tunisia
| | - C Vázquez-Vázquez
- Laboratory of Magnetism and Nanotechnology (NANOMAG), Department of Physical Chemistry, Faculty of Chemistry, Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - M Bendahan
- Aix Marseille Univ, Université de Toulon, CNRS, IM2NP Marseille France
| | - A Labidi
- Carthage University, Laboratoire des Matériaux, Molécules et Applications IPEST BP 51, La Marsa 2070 Tunis Tunisia.,Department of Physics, College of Science and Arts at Ar-Rass, Qassim University P.O. Box 1162 Buraydah 52571 Saudi Arabia
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Ruch Y, Labidi A, Martin A, Weingertner N, Hansmann Y, Lefebvre N, Andres E, Argemi X, Dieudonné Y. Le syndrome de cavitation ganglionnaire mésentérique, complication rare de la maladie cœliaque de l’adulte : à propos de quatre cas et revue de la littérature. Rev Med Interne 2019; 40:536-544. [DOI: 10.1016/j.revmed.2019.05.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 05/07/2019] [Accepted: 05/09/2019] [Indexed: 11/28/2022]
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Alami Aroussi A, Fouad A, Omrane A, Razzak A, Aissa A, Akkad A, Amraoui A, Aouam A, Arfaoui A, Belkouchi A, Ben Chaaben A, Ben Cheikh A, Ben Khélifa A, Ben Mabrouk A, Benhima A, Bezza A, Bezzine A, Bourrahouat A, Chaieb A, Chakib A, Chetoui A, Daoudi A, Ech-Chenbouli A, Gaaliche A, Hassani A, Kassimi A, Khachane A, Labidi A, Lalaoui A, Masrar A, McHachi A, Nakhli A, Ouakaa A, Siati A, Toumi A, Zaouali A, Condé AY, Haggui A, Belaguid A, El Hangouche AJ, Gharbi A, Mahfoudh A, Bouzouita A, Aissaoui A, Ben Hamouda A, Hedhli A, Ammous A, Bahlous A, Ben Halima A, Belhadj A, Bezzine A, Blel A, Brahem A, Banasr A, Meherzi A, Saadi A, Sellami A, Turki A, Ben Miled A, Ben Slama A, Daib A, Zommiti A, Chadly A, Jmaa A, Mtiraoui A, Ksentini A, Methnani A, Zehani A, Kessantini A, Farah A, Mankai A, Mellouli A, Zaouali A, Touil A, Hssine A, Ben Safta A, Derouiche A, Jmal A, Ferjani A, Djobbi A, Dridi A, Aridhi A, Bahdoudi A, Ben Amara A, Benzarti A, Ben Slama AY, Oueslati A, Soltani A, Chadli A, Aloui A, Belghuith Sriha A, Bouden A, Laabidi A, Mensi A, Ouakaa A, Sabbek A, Zribi A, Green A, Ben Nasr A, Azaiez A, Yeades A, Belhaj A, Mediouni A, Sammoud A, Slim A, Amine B, Chelly B, Jatik B, Lmimouni B, Daouahi B, Ben Khelifa B, Louzir B, Dorra A, Dhahri B, Ben Nasrallah C, Chefchaouni C, Konzi C, Loussaief C, Makni C, Dziri C, Bouguerra C, Kays C, Zedini C, Dhouha C, Mohamed C, Aichaouia C, Dhieb C, Fofana D, Gargouri D, Chebil D, Issaoui D, Gouiaa D, Brahim D, Essid D, Jarraya D, Trad D, Ben Hmida E, Sboui E, Ben Brahim E, Baati E, Talbi E, Chaari E, Hammami E, Ghazouani E, Ayari F, Ben Hariz F, Bennaoui F, Chebbi F, Chigr F, Guemira F, Harrar F, Benmoula FZ, Ouali FZ, Maoulainine FMR, Bouden F, Fdhila F, Améziani F, Bouhaouala F, Charfi F, Chermiti Ben Abdallah F, Hammemi F, Jarraya F, Khanchel F, Ourda F, Sellami F, Trabelsi F, Yangui F, Fekih Romdhane F, Mellouli F, Nacef Jomli F, Mghaieth F, Draiss G, Elamine G, Kablouti G, Touzani G, Manzeki GB, Garali G, Drissi G, Besbes G, Abaza H, Azzouz H, Said Latiri H, Rejeb H, Ben Ammar H, Ben Brahim H, Ben Jeddi H, Ben Mahjouba H, Besbes H, Dabbebi H, Douik H, El Haoury H, Elannaz H, Elloumi H, Hachim H, Iraqi H, Kalboussi H, Khadhraoui H, Khouni H, Mamad H, Metjaouel H, Naoui H, Zargouni H, Elmalki HO, Feki H, Haouala H, Jaafoura H, Drissa H, Mizouni H, Kamoun H, Ouerda H, Zaibi H, Chiha H, Kamoun H, Saibi H, Skhiri H, Boussaffa H, Majed H, Blibech H, Daami H, Harzallah H, Rkain H, Ben Massoud H, Jaziri H, Ben Said H, Ayed H, Harrabi H, Chaabouni H, Ladida Debbache H, Harbi H, Yacoub H, Abroug H, Ghali H, Kchir H, Msaad H, Ghali H, Manai H, Riahi H, Bousselmi H, Limem H, Aouina H, Jerraya H, Ben Ayed H, Chahed H, Snéne H, Lahlou Amine I, Nouiser I, Ait Sab I, Chelly I, Elboukhani I, Ghanmi I, Kallala I, Kooli I, Bouasker I, Fetni I, Bachouch I, Bouguecha I, Chaabani I, Gazzeh I, Samaali I, Youssef I, Zemni I, Bachouche I, Youssef I, Bouannene I, Kasraoui I, Laouini I, Mahjoubi I, Maoudoud I, Riahi I, Selmi I, 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R, Bechraoui R, Fakhfakh R, Fradi R, Lahiani R, Ridha R, Zainine R, Kallel R, Rostom S, Ben Abdallah S, Ben Hammamia S, Benchérifa S, Benkirane S, Chatti S, El Guedri S, El Oussaoui S, Elkochri S, Elmoussaoui S, Enbili S, Gara S, Haouet S, Khammeri S, Khefecha S, Khtrouche S, Macheghoul S, Mallouli S, Rharrit S, Skouri S, Helali S, Boulehmi S, Abid S, Naouar S, Zelfani S, Ben Amar S, Ajmi S, Braiek S, Yahiaoui S, Ghezaiel S, Ben Toumia S, Thabeti S, Daboussi S, Ben Abderahman S, Rhaiem S, Ben Rhouma S, Rekaya S, Haddad S, Kammoun S, Merai S, Mhamdi S, Ben Ali R, Gaaloul S, Ouali S, Taleb S, Zrour S, Hamdi S, Zaghdoudi S, Ammari S, Ben Abderrahim S, Karaa S, Maazaoui S, Saidani S, Stambouli S, Mokadem S, Boudiche S, Zaghbib S, Ayedi S, Jardek S, Bouselmi S, Chtourou S, Manoubi S, Bahri S, Halioui S, Jrad S, Mazigh S, Ouerghi S, Toujani S, Fenniche S, Aboudrar S, Meriem Amari S, Karouia S, Bourgou S, Halayem S, Rammeh S, Yaïch S, Ben Nasrallah S, Chouchane S, Ftini S, Makni S, Manoubi S, Miri S, Saadi S, Manoubi SA, Khalfallah T, Mechergui T, Dakka T, Barhoumi T, M'rad TEB, Ajmi T, Dorra T, Ouali U, Hannachi W, Ferjaoui W, Aissi W, Dahmani W, Dhouib W, Koubaa W, Zhir W, Gheriani W, Arfa W, Dougaz W, Sahnoun W, Naija W, Sami Y, Bouteraa Y, Elhamdaoui Y, Hama Y, Ouahchi Y, Guebsi Y, Nouira Y, Daly Y, Mahjoubi Y, Mejdoub Y, Mosbahi Y, Said Y, Zaimi Y, Zgueb Y, Dridi Y, Mesbahi Y, Gharbi Y, Hellal Y, Hechmi Z, Zid Z, Elmouatassim Z, Ghorbel Z, Habbadi Z, Marrakchi Z, Hidouri Z, Abbes Z, Ouhachi Z, Khessairi Z, Khlayfia Z, Mahjoubi Z, Moatemri Z. 46th Medical Maghrebian Congress. 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Jlassi H, Labidi A, Ben Mustapha N, Fekih M, Serghini M, Boubaker J. Tuberculose hépatique primitive : à propos de 5 cas. Rev Med Interne 2017. [DOI: 10.1016/j.revmed.2017.10.263] [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: 11/24/2022]
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Labidi A, Jlassi H, Ben Mustapha N, Fekih M, Serghini M, Boubaker J. La maladie de Waldmann chez l’adulte : à propos d’un cas. Rev Med Interne 2017. [DOI: 10.1016/j.revmed.2017.10.250] [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: 11/29/2022]
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Hassine H, Labidi A, Ben Mustapha N, Serghini M, Fekih M, Boubaker J, Filali A. Les complications thromboemboliques au cours des cancers digestifs. Rev Med Interne 2017. [DOI: 10.1016/j.revmed.2017.03.137] [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: 10/19/2022]
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E, Najjar S, Nakhli A, Nechi S, Neffati E, Neji H, Nouira Y, Nouira R, Omar S, Ouali S, Ouannes Y, Ouarda F, Ouechtati W, Ouertani J, Ouertani J, Ouertani H, Oueslati A, Oueslati J, Oueslati I, Oueslati A, Rabai B, Rahali H, Rbia E, Rebai W, Regaïeg N, Rejeb O, Rhaiem W, Rhimi H, Riahi I, Ridha R, Robbena L, Rouached L, Rouis S, Safer M, Saffar K, Sahli H, Sahraoui G, Saidane O, Sakka D, Salah H, Sallami S, Salouage I, Samet A, Sammoud K, Sassi Mahfoudh A, Sayadi C, Sayhi A, Sebri T, Sedki Y, Sellami A, Serghini M, Sghaier I, Skouri W, Skouri W, Slama I, Slimane H, Slimani O, Souhail O, Souhir S, Souissi A, Souissi R, Taboubi A, Talbi G, Tbini M, Tborbi A, Tekaya R, Temessek H, Thameur M, Touati A, Touinsi H, Tounsi A, Tounsia H, Trabelsi S, Trabelsi S, Triki A, Triki M, Turki J, Turki K, Twinsi H, Walha Y, Wali J, Yacoub H, Yangui F, Yazidi M, Youssef I, Zaier A, Zainine R, Zakhama L, Zalila H, Zargouni H, Zehani A, Zeineb Z, Zemni I, Zghal M, Ziadi J, Zid Z, Znagui I, Zoghlami C, Zouaoui C, Zouari B, Zouiten L, Zribi H. Abstracts of the 40th National Congress of Medicine Tunis, 19-20 October 2017. Tunis Med 2017; 95:1002-1070. [PMID: 29877564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
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Hassine H, Labidi A, Ghribi I, Ben Mustapha N, Serghini M, Fekih M, Boubaker J, Filali A. Association entre maladie de Crohn et maladie de Takayasu : à propos de deux observations. Rev Med Interne 2016. [DOI: 10.1016/j.revmed.2016.04.071] [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]
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Amri M, Labidi A, Hafi M, Mustapha NB, Serghini M, Zouiten L, Fekih M, Boubaker J, Filali A. Les facteurs prédictifs de bonne évolution sous régime sans gluten au cours de la maladie cœliaque. Rev Med Interne 2016. [DOI: 10.1016/j.revmed.2016.04.124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Hassine H, Labidi A, Ben Mustapha N, Serghini M, Fekih M, Zouiten L, Boubaker J, Filali A. Maladie cœliaque diagnostiquée au stade de cavitation ganglionnaire mésentérique : à propos d’une observation. Rev Med Interne 2016. [DOI: 10.1016/j.revmed.2016.04.126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Amri M, Mustapha NB, Hafi M, Labidi A, Meriem S, Fekih M, Boubaker J, Filali A. La sarcoïdose et la tuberculose hépatiques : le défi thérapeutique dans un pays d’endémie tuberculeuse. Rev Med Interne 2016. [DOI: 10.1016/j.revmed.2016.04.192] [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: 11/29/2022]
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Amri M, Labidi A, Hafi M, Mustapha NB, Meriem S, Fekih M, Boubaker J, Filali A. Une maladie de Whipple qui mime en tout point une poussée de maladie de Crohn. Rev Med Interne 2016. [DOI: 10.1016/j.revmed.2016.04.187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Labidi A, Hassine H, Ghribi I, Ben Mustapha N, Serghini M, Zouiten L, Fekih M, Boubaker J, Filali A. Impact de la cytolyse hépatique sur le taux d’hémoglobine au cours des hépatites auto-immunes. Rev Med Interne 2016. [DOI: 10.1016/j.revmed.2016.04.127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Ben Henda Y, Labidi A, Arnaudin I, Bridiau N, Delatouche R, Maugard T, Piot JM, Sannier F, Thiéry V, Bordenave-Juchereau S. Measuring angiotensin-I converting enzyme inhibitory activity by micro plate assays: comparison using marine cryptides and tentative threshold determinations with captopril and losartan. J Agric Food Chem 2013; 61:10685-10690. [PMID: 24131339 DOI: 10.1021/jf403004e] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
To determine the angiotensin-I converting enzyme (ACE) inhibitory activity of marine cryptides, different methods were tested. ACE inhibition was measured using two synthetic substrates, (N-[3-(2-furyl) acryloyl]-Phe-Gly-Gly (FAPGG) and N-hippuryl-His-Leu hydrate salt (HHL)), and a natural one, angiotensin-I. The IC50 value (defined as the concentration of inhibitory molecule needed to inhibit 50% of the ACE activity) of the reference synthetic inhibitor captopril was in the nanomolar range (1.79-15.1 nM) when synthetic substrates were used, whereas it exhibited IC50 of micromolar range (16.71 μM) with angiotensin-I. We chose losartan, an antagonist of angiotensin-II receptor as negative control for the ACE inhibition. Losartan was also able to inhibit ACE whatever the substrate tested, with IC50 of micromolar range (17.13-146 μM). We defined this value as a limit above which molecules are not showing in vitro ACE inhibitory activity. Val-Trp (VW), Val-Tyr (VY), Lys-Tyr (KY), Lys-Trp (KW), Ile-Tyr (IY), Ala-Pro (AP), Val-Ile-Tyr (VIY), Leu-Lys-Pro (LKP), Gly-Pro-Leu (GPL), Ala-Lys-Lys (AKK), and Val-Ala-Pro (VAP) were tested as inhibitors of ACE with synthetic and natural substrates. IC50 displayed were substrate-dependent. With FAPGG as substrate, IW, VAP, KY, IY, AP, AKK, and VIY show IC50 values over the IC50 value of losartan and should not be considered as inhibitors of ACE. VY, VW, KW, and LKP exhibited IC50 value lower than the IC50 value of losartan for all substrates tested and were thus considered as good candidates for effectively decreasing hypertension. It appears that the comparison of IC50 is not consistent when IC50 values are obtained with different substrates and different methods. In vitro ACE inhibitory activity assays should always include various ACE substrates and references such as captopril and a negative control to obtain data reliable to discriminate ACE inhibitory peptides.
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Affiliation(s)
- Yesmine Ben Henda
- Université de La Rochelle , Laboratoire LIENSs UMR CNRS-7266, Approches Moléculaires: Environnement Santé, site Marie Curie, UFR Sciences Technologies Santé , F-17042 La Rochelle, Cedex-1, France
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Hajjaji A, Labidi A, Gaidi M, Rabha MB, Smirani R, Bejaoui A, Bessais B, Khakani ME. Structural, Optical and Sensing Properties of Cr-Doped TiO 2 Thin Films. ACTA ACUST UNITED AC 2011. [DOI: 10.1166/sl.2011.1736] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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21
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Safonova TN, Lutsevich EE, Labidi A. [Analysis of the diagnostic efficiency of the Schirmer test versus the lacrimal meniscus biometric technique in impaired tear production]. Vestn Oftalmol 2008; 124:28-32. [PMID: 18318206] [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: 05/26/2023]
Abstract
The paper analyzes the diagnostic capacities of two studies (the routine Schirmer test and lacrimal meniscus biometry). It indicates the basic limitations of the Schirmer test and describes a procedure for lacrimal meniscus biometry. Based on the results of studying the lacrimal meniscus in healthy individuals from a control group, the authors revealed a relationship of the height of the lacrimal meniscus to the area and horizontal size of the palpebral fissure. Comparison of the results of studies of basal lacrimal secretion in the presence of dry keratoconjunctivitis and dry eye syndrome in the study patients with hypolacrimation defined the latter as mild, moderate, and severe. There was discordance between the values in 33.85% of cases. The Schirmer test has not shown to be the method of choice in examining basal lacrimal production; erroneous results may be obtained in a third of patients. Lacrimal meniscus biometry makes it possible to identify the degree of significant hypolacrimation more exactly and to minimize the indices of preserved basal secretion.
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El Ati-Hellal M, Ghorbel H, Bousnina M, Boujlel K, Dachraoui M, Labidi A, Ndif M, Amamou M, Hédhili A. 635 Zinc and copper concentrations in seawater and algae of the Tunisian coast. Toxicol Lett 2003. [DOI: 10.1016/s0378-4274(03)90634-5] [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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El Ati-Hellal M, Ghorbel H, Bousnina M, Boujlel K, Dachraoui M, Labidi A, Nedhif M, Amamou M, Hédhili A. 636 Lead concentrations in seawater and algae of the Tunisian coast. Toxicol Lett 2003. [DOI: 10.1016/s0378-4274(03)90635-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Abstract
The complete nucleotide sequence of the Mycobacterium fortuitum var fortuitum plasmid pAL5000 has been determined. Computer analysis of this 4821-bp plasmid for protein coding regions, based on mycobacterial codon usage preferences, reveals the presence of two putative protein coding regions immediately downstream from typical mycobacterial promoter and ribosome binding sites. Both open reading frames, ORF1 and ORF2, produced proteins with the predicted respective sizes previously shown in minicell expression experiments [A. Labidi et al. (1985) FEMS Microbiol. Lett. 30, 221-225]. ORF1 encodes a putative 20-kDa basic protein with characteristics of a DNA binding protein involved in plasmid DNA replication. ORF2 encodes a 67-kDa protein with an amino-terminal sequence suggestive of a transported protein and a possible transmembrane anchor near its carboxyl-terminal. The current sequence and its analysis are more consistent with the minicell expression experiments than the previously published sequence of the pAL5000 plasmid [J. Rauzier et al. (1988) Gene 71, 315-321].
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Affiliation(s)
- A Labidi
- Department of Microbiology, University of Texas Health Center, Tyler 75710
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Wallace RJ, Steingrube VA, Nash DR, Hollis DG, Flanagan C, Brown BA, Labidi A, Weaver RE. BRO beta-lactamases of Branhamella catarrhalis and Moraxella subgenus Moraxella, including evidence for chromosomal beta-lactamase transfer by conjugation in B. catarrhalis, M. nonliquefaciens, and M. lacunata. Antimicrob Agents Chemother 1989; 33:1845-54. [PMID: 2514622 PMCID: PMC172775 DOI: 10.1128/aac.33.11.1845] [Citation(s) in RCA: 90] [Impact Index Per Article: 2.6] [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: 01/01/2023] Open
Abstract
Two closely related beta-lactamases, BRO-1 and BRO-2 (formerly called Ravasio and 1908), are found in Moraxella (Branhamella) catarrhalis. We screened strains of B. catarrhalis recovered in the United States since 1952 and identified the first beta-lactamase-positive isolate in August 1976. The prevalence of the enzymes among 394 clinical isolates from one Texas hospital has averaged 75% since testing began in 1983. Screening of isolates of Moraxella subgenus Moraxella revealed the BRO enzymes in two other human respiratory tract species, M. lacunata and M. nonliquefaciens, beginning in 1978. A different beta-lactamase with a pI of 6.4 predominated in other species of subgenus Moraxella. BRO-2 had a different isoelectric focusing pattern and was produced in lesser amounts than BRO-1, but the two enzymes were indistinguishable by substrate or inhibitor profile. BRO enzymes from B. catarrhalis, M. nonliquefaciens, and M. lacunata could be transferred by conjugation and, for B. catarrhalis, also by transformation to B. catarrhalis. Plasmid bands were demonstrated in 90% of M. nonliquefaciens and in one previously reported strain of B. catarrhalis, but no change in plasmid profiles was seen in beta-lactamase-positive recombinants, supporting previous studies that suggested the beta-lactamase genes are chromosomal.
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Affiliation(s)
- R J Wallace
- Department of Microbiology, University of Texas Health Center, Tyler 75710
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Wallace RJ, Steele LC, Labidi A, Silcox VA. Heterogeneity among isolates of rapidly growing mycobacteria responsible for infections following augmentation mammaplasty despite case clustering in Texas and other southern coastal states. J Infect Dis 1989; 160:281-8. [PMID: 2760484 DOI: 10.1093/infdis/160.2.281] [Citation(s) in RCA: 57] [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] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Thirty-seven cases of rapidly growing mycobacterial wound infections following augmentation mammaplasty were identified between 1979 and 1988. The infections were usually unilateral and had a narrow geographic distribution: almost 60% were from Texas and 92% from five southern coastal states. In Texas a seasonal incidence was observed; 45% of all previously reported and current patients had undergone mammaplasty in April, May, or June. Although these findings suggested a possible common source, analysis of 35 available isolates revealed 19 different phenotype patterns. Five different taxonomic groups were represented, although most isolates (70%) were Mycobacterium fortuitum biovar fortuitum. Plasmid bands were identified in 10 of 15 strains studied, with nine different profiles. An additional 11 cases of breast infection due to rapidly growing mycobacteria not associated with augmentation were also identified, of which nine came from the same states that contributed mammaplasty cases. Rapidly growing mycobacterial infections of the breast are endemic in Texas and other southern coastal states, and the heterogeneity of the isolates suggests that most cases are unrelated.
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Affiliation(s)
- R J Wallace
- Department of Microbiology, The University of Texas Health Center, Tyler 75710
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Wallace RJ, Musser JM, Hull SI, Silcox VA, Steele LC, Forrester GD, Labidi A, Selander RK. Diversity and sources of rapidly growing mycobacteria associated with infections following cardiac surgery. J Infect Dis 1989; 159:708-16. [PMID: 2926161 DOI: 10.1093/infdis/159.4.708] [Citation(s) in RCA: 123] [Impact Index Per Article: 3.5] [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: 01/03/2023] Open
Abstract
Eighty-nine isolates of rapidly growing mycobacteria associated with cardiac bypass-related infections were characterized. Isolates from sporadic infections belonged to eight taxonomic groups and displayed numerous multilocus enzyme genotypes, plasmid profiles, and heavy metal and antibiotic resistance patterns. Compared with 449 noncardiac wound isolates, 45 sporadic cardiac isolates were more likely to be Mycobacterium fortuitum and M. smegmatis and less likely to be M. chelonae. About 80% of cardiac and noncardiac isolates were from southern coastal states. Eight outbreaks of cardiac bypass-related infections were identified. Strains from each outbreak were genotypically distinctive, and five outbreaks involved more than one strain. In two outbreaks, isolates from environmental sources and noncardiac infections were similar or identical to isolates from sternal wound infections. The heterogeneity of these isolates suggests that most isolates are unrelated and are derived from local environmental sources rather than from contaminated commercial surgical materials or devices.
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Affiliation(s)
- R J Wallace
- Department of Microbiology, University of Texas Health Center, Tyler 75710
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Wallace RJ, Hollis D, Weaver R, Steingrube V, Flanagan C, Labidi A, Nash D. The β-Lactamases of Branhamella catarrhalis. Chest 1989. [DOI: 10.1378/chest.95.3_supplement.197s-a] [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: 11/01/2022] Open
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Labidi A. Restriction endonuclease analysis of total deoxyribonucleic acid of Mycobacterium tuberculosis H37RV (ATCC 27294) and of M. bovis (ATCC 19210). Arch Inst Pasteur Tunis 1988; 65:241-53. [PMID: 2854960] [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: 01/02/2023]
Abstract
Total DNA from two slowly-growing pathogenic mycobacterial species propagated in vitro was isolated, digested with each of 34 restriction endonucleases and analyzed by agarose gel electrophoresis. The most distinct profiles for M. tuberculosis (ATCC 27294) and for M. bovis (ATCC 19210) were obtained respectively using (BamHI, DraI, ClaI, EcoRI, EcoRV, HindIII, HpaI, SalI, SmaI, XbaI, and XmaI). The patterns produced for these strains were reproducible and distinguishable from each other. However, with several enzymes the patterns for M. tuberculosis and M. bovis were similar. Evidence was obtained for the presence of dam and dcmI methylations in the DNA of each mycobacterial species.
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Affiliation(s)
- A Labidi
- University of Texas, Health Center, Department of Microbiology, Tyler 75710
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Labidi A. Characterization of total deoxyribonucleic acid of Mycobacterium paratuberculosis (ATCC 19698) and of M. avium complex (ATCC 25291) using restriction enzymes. Arch Inst Pasteur Tunis 1988; 65:261-70. [PMID: 2854962] [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: 01/02/2023]
Abstract
Total DNA was extracted from M. paratuberculosis (ATCC 19698) and from M. avium complex (ATCC 25291) cultivated on RVB-10 enriched liquid media. Restriction endonuclease analysis was conducted of Total DNA using 34 enzymes and DNA digestion profiles were compared. Fifteen enzymes revealed important differences between the two species. Two pairs of enzymes (EcoRII, BstNI) and (MboI, Sau3AI) provide evidence for the presence of dcmI and dam methylation in DNA of M. avium complex and M. paratuberculosis. The differences in DNA fragments of these two species could be of potential value in differentiating these clinically significant mycobacteria.
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Affiliation(s)
- A Labidi
- University of Texas, Health Center, Department of Microbiology, Tyler 75710
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Labidi A, David HL, Roulland-Dussoix D. Restriction endonuclease mapping and cloning of Mycobacterium fortuitum var. fortuitum plasmid pAL5000. Ann Inst Pasteur Microbiol (1985) 1985; 136B:209-15. [PMID: 3002238 DOI: 10.1016/s0769-2609(85)80045-4] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A restriction map of Mycobacterium fortuitum var. fortuitum plasmid pAL5000 was established. The unique sites for ApaI, BamHI, BglII, BstEII, ClaI, EcoRI, EcoRV, HpaI, KpnI and NarI were located on the 5.0-Kb plasmid. The plasmid had no sites for AhaIII, BclI, HindIII, PstI, SphI and XbaI. pAL5000 was cloned into pBR322 and propagated in Escherichia coli. Three hybrid pAL5000-pBR322 plasmids carrying the complete pAL5000 sequence were constructed by joining the plasmids at their BamHI, EcoRI or EcoRV sites. We also cloned into these plasmids a 1489-bp DNA fragment conferring resistance to kanamycin and originating from the streptococcal plasmid pJH1. The construction of these plasmids will facilitate the analysis and manipulation of pAL5000, and may allow the development of a vector system for genetic analysis in mycobacteria.
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Buisson Y, Riou JY, Labidi A, Arborio M, Guibourdenche M. [Gonococcus producers of beta-lactamase isolated in Dakar. Sensitivity to different antibiotics, auxotype and plasmid content]. Pathol Biol (Paris) 1985; 33:550-3. [PMID: 3937127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
More than 12.5% of gonococci isolated in Dakar during the first six months of 1984 were penicillinase producers (PPNG). PPNG strains were susceptible to a number of antibiotics: spectinomycin, thiamphenicol and tetracycline. No significant differences were found between distribution of auxotypes in PPNG and in non-penicillinase producing strains. Study of plasmidic content of PPNG (36 strains isolated from 1981 to 1984) revealed that 68.75% were of the "African" type and 31.25% of the "South-East Asian" type. Ratio of isolation of these two plasmidic content types remained consistent throughout the last four years. The criteria defined in 1977 to classify PPNG into two types need to be reviewed, specifically with regard to geographical areas, auxotype and tetracycline susceptibility. We found a significant correlation between the 4.5 Md plasmid (bla+) and the auxotype (PRO-). This finding has been reported by other authors but has not yet been explained.
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Labidi A, martin PM, Guibourdenche M, Riou JY. [Epidemiological surveillance of beta-lactamase-producing gonococci. II--Characterization of plasmids of 66 strains isolated in France (May 1979-March 1983)]. Pathol Biol (Paris) 1984; 32:1013-8. [PMID: 6440097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Penicillinase producing Neisseria gonorrhoeae PPNG (66 strains have been examined for the presence of plasmids coding for bêta-lactamase. The 3.2 Mdal plasmid was present in 27/66 (41%) of strains. The 4.5 Mdal plasmid was present in 30/66 (45%) of strains. The association 2.6 Mdal 4.5 Mdal plasmids were only present in 9/66 (13.6%) of strains. The cryptic plasmid of 2.6 Mdal was always present.
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Kamoun M, Labidi A, Fakhfakh T. [Epidemiologic study of trachoma in 3 different areas of the Sfax region]. Rev Int Trach Pathol Ocul Trop Subtrop Sante Publique 1984:21-8. [PMID: 6544442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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Riou J, Yvert F, Labidi A, Frost E, Guibourdenche M, Martin P, Ivanoff B. Apparition au Gabon de l'association du plasmide de 3,2 Mégadaltons (Mdal) codant pour la bêta-lactamase avec le plasmide conjugatif de 24,5 Mdal chez Neisseria gonorrhoeae. Med Mal Infect 1983. [DOI: 10.1016/s0399-077x(83)80076-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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