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Müller A, Borovik A, Buhr T, Hellhund J, Holste K, Kilcoyne ALD, Klumpp S, Martins M, Ricz S, Viefhaus J, Schippers S. Observation of a four-electron Auger process in near-K-edge photoionization of singly charged carbon ions. PHYSICAL REVIEW LETTERS 2015; 114:013002. [PMID: 25615465 DOI: 10.1103/physrevlett.114.013002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Indexed: 06/04/2023]
Abstract
Single, double, and triple ionization of C(1+) ions by single photons is investigated in the energy range of 286-326 eV, i.e., in the range from the lowest-energy K-vacancy resonances to well beyond the K-shell ionization threshold. Clear signatures of C(1+)(1s2s(2)2p(2) (2)D,(2)P) resonances are found in the triple-ionization channel. The only possible mechanism producing C(4+)(1s(2)) via these resonances is direct triple-Auger decay, i.e., a four-electron process with simultaneous emission of three electrons.
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Martins M, Williams AH, Comeau M, Marion M, Ziegler JT, Freedman BI, Merrill JT, Glenn SB, Kelly JA, Sivils KM, James JA, Guthridge JM, Alarcón-Riquelme ME, Bae SC, Kim JH, Kim D, Anaya JM, Boackle SA, Criswell LA, Kimberly RP, Alarcón GS, Brown EE, Vilá LM, Petri MA, Ramsey-Goldman R, Niewold TB, Tsao BP, Gilkeson GS, Kamen DL, Jacob CO, Stevens AM, Gaffney PM, Harley JB, Langefeld CD, Fesel C. Genetic association of CD247 (CD3ζ) with SLE in a large-scale multiethnic study. Genes Immun 2015; 16:142-50. [PMID: 25569266 DOI: 10.1038/gene.2014.73] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Revised: 11/03/2014] [Accepted: 11/07/2014] [Indexed: 11/09/2022]
Abstract
A classic T-cell phenotype in systemic lupus erythematosus (SLE) is the downregulation and replacement of the CD3ζ chain that alters T-cell receptor signaling. However, genetic associations with SLE in the human CD247 locus that encodes CD3ζ are not well established and require replication in independent cohorts. Our aim was therefore to examine, localize and validate CD247-SLE association in a large multiethnic population. We typed 44 contiguous CD247 single-nucleotide polymorphisms (SNPs) in 8922 SLE patients and 8077 controls from four ethnically distinct populations. The strongest associations were found in the Asian population (11 SNPs in intron 1, 4.99 × 10(-4) < P < 4.15 × 10(-2)), where we further identified a five-marker haplotype (rs12141731-rs2949655-rs16859085-rs12144621-rs858554; G-G-A-G-A; P(hap) = 2.12 × 10(-5)) that exceeded the most associated single SNP rs858554 (minor allele frequency in controls = 13%; P = 4.99 × 10(-4), odds ratio = 1.32) in significance. Imputation and subsequent association analysis showed evidence of association (P < 0.05) at 27 additional SNPs within intron 1. Cross-ethnic meta-analysis, assuming an additive genetic model adjusted for population proportions, showed five SNPs with significant P-values (1.40 × 10(-3) < P< 3.97 × 10(-2)), with one (rs704848) remaining significant after Bonferroni correction (P(meta) = 2.66 × 10(-2)). Our study independently confirms and extends the association of SLE with CD247, which is shared by various autoimmune disorders and supports a common T-cell-mediated mechanism.
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Martins M, Longras C, André D, Carvalho A, Santos T, Monteiro J, Magalhães J, Castro A, Correia JP. 471. A clear cell sarcoma – A clinical case. Eur J Surg Oncol 2014. [DOI: 10.1016/j.ejso.2014.08.459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Pavan G, Martins M, Salmon H, Anderson E, Nardi S, Fairbanks L, Silva D, Cursino F, Junior J, Silva A, Santos D, Werner F. Dosimetric Evaluation of Treatment Planing System on High-Dose-Rate (HDR) Brachytherapy Using Monte Carlo Method and Radiochomic Film. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.2160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Maciel S, Okeyo AM, Amimo J, Scholtz MM, Neser FWC, Martins M. The effect of geographical region of birth on the reproductive performance of the Nguni in southern Mozambique. S AFR J ANIM SCI 2014. [DOI: 10.4314/sajas.v43i5.11] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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106
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Craveiro R, Martins M, Santos GB, Correia N, Dionísio M, Barreiros S, Duarte ARC, Reis RL, Paiva A. Starch-based polymer–IL composites formed by compression moulding and supercritical fluid foaming for self-supported conductive materials. RSC Adv 2014. [DOI: 10.1039/c4ra01424c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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107
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Goga A, Martins M, Corella A, Horiuchi D, Samson S, Bandyophadyay S. Abstract P5-10-01: A systems approach to combine genomics and emerging therapeutics to discover new treatments for TNBC. Cancer Res 2013. [DOI: 10.1158/0008-5472.sabcs13-p5-10-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Genomic analyses of patient tumors have unearthed an overwhelming number of recurrent somatic alterations in genes that undoubtedly have dramatic effects on breast tumor biology, clinical outcomes and responses to therapeutics. In triple negative breast cancer (TNBC), there is an urgent need to translate this emerging patient genomic data into new therapeutic paradigms. To develop genotype-specific therapies, we have established an isogenic cell-line drug screen that measures the impact of gene activation on a panel of emerging, clinically relevant compounds targeting a variety of cancer pathways. We seek to uncover genotype-dependent sensitivity to drugs, synthetic lethal relationships, and validate in breast cancer cells and in vivo mouse models. We focused on emerging compounds that are already approved or in testing for human use and we expect that this work will serve as a prelude to one or more clinical trials in TNBC.
RESULTS: We have developed a synthetic-lethal interaction mapping strategy to uncover the impact of gene activation on responses to a panel of emerging therapeutics. We believe that this approach can identify core synthetic lethal interactions which underlie drug sensitivity and can be used as a foundation to identify patient populations that will selectively respond to drug treatments. We have developed a high-throughput screening platform that can rapidly and accurately assess the proliferative capacity of cell lines in response to a panel of inhibitors. We have generated a panel of isogenic cell lines which closely mimic the impact of recurrent gene mutations and overexpression common in breast cancer. We have currently generated 23 cell lines expressing wild-type and/or mutant forms of these genes. To date we have screened 12 known oncogenes against our panel of 94 emerging therapeutic compounds. Using this systems approach, the resulting interaction map highlights both known and novel connections between oncogene activation and drug responses and provides a modular roadmap for the exploration of synthetic lethal relationships.
Based on the coordinate activity of multiple drugs targeting the same pathway, we identified oncogenes that can drive resistance to EGFR inhibitors and PI3K/AKT inhibitors. We also recapitulated a known synthetic lethal relationship between MYC and CDK inhibition which we have previously described and we are now evaluating in a clinical trial. Therefore, our approach identified both resistance and synthetic lethal relationships that have been independently described, indicating that this platform is a good model for predicting synthetic lethality in vivo. Several novel and previously uncharacterized connections were also uncovered, including novel connections between MYC activity and several promising drugs in clinical development. Synthetic-lethal interactions discovered using this chemical-genetic systems approach and their mechanistic validation will be described in the presentation. Furthermore, the important role of patient advocacy in developing this project will be described.
CONCLUSION: A novel systems biology approach that uses chemical-genetic maps of oncogenes and emerging therapeutics can define synthetic-lethal interactions and actionable therapeutics for breast cancer.
Citation Information: Cancer Res 2013;73(24 Suppl): Abstract nr P5-10-01.
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Martins M, Claus J, Marin C, Gil L, Gil J. Predictability of chin position after bimaxillary surgery. Int J Oral Maxillofac Surg 2013. [DOI: 10.1016/j.ijom.2013.07.563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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109
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Van den Broeck U, Meuleman C, Tomassetti C, D'Hoore A, Wolthuis A, Van Cleynenbreugel B, Vergote I, Penninckx F, Enzlin P, D'Hooghe T, Martins M, Costa P, Peterson BD, Costa ME, Schmidt L, Huppelschoten AG, van Dongen AJCM, Philipse ICP, Hamilton CJCM, Verhaak C, Nelen WLDM, Kremer JAM, Bastings L, Smeenk JMJ, Braat DDM, Verhaak CM, Jadva V, Imrie S, Golombok S. Session 19: Psychology and counselling. Hum Reprod 2013. [DOI: 10.1093/humrep/det146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Hoit G, Hinkewich C, Tiao J, Porgo V, Moore L, Moore L, Tiao J, Wang C, Moffatt B, Wheeler S, Gillman L, Bartens K, Lysecki P, Pallister I, Patel S, Bradford P, Bradford P, Kidane B, Holmes A, Trajano A, March J, Lyons R, Kao R, Rezende-Neto J, Leblanc Y, Rezende-Neto J, Vogt K, Alzaid S, Jansz G, Andrusiek D, Andrusiek D, Bailey K, Livingston M, Calthorpe S, Hsu J, Lubbert P, Boitano M, Leeper W, Williamson O, Reid S, Alonazi N, Lee C, Rezende-Neto J, Aleassa E, Jennings P, Jennings P, Mador B, Hoffman K, Riley J, Vu E, Alburakan A, Alburakan A, Alburakan A, Mckee J, Bobrovitz N, Gabbe B, Gabbe B, Hodgkinson J, Hodgkinson J, Ali J, Ali J, Grant M, Roberts D, Holodinsky J, Cooper C, Santana M, Kruger K, Hodgkinson J, Waggott M, Da Luz L, Banfield J, Santana M, Dorigatti A, Birn K, Bobrovitz N, Zakirova R, Davies D, Das D, Gamme G, Pervaiz F, Almarhabi Y, Brainard A, Brown R, Bell N, Bell N, Jowett H, Jowett H, Bressan S, Hogan A, Watson I, Woodford S, Hogan A, Boulay R, Watson I, Howlett M, Atkinson P, Chesters A, Hamadani F, Atkinson P, Azzam M, Fraser J, Doucet J, Atkinson P, Muakkassa F, Sathivel N, Chadi S, Joseph B, Takeuchi L, Bradley N, Al Bader B, Kidane B, Harrington A, Nixon K, Veigas P, Joseph B, O’Keeffe T, Bracco D, Rezende-Neto J, Azzam M, Lin Y, Bailey K, Bracco D, Nash N, Alhabboubi M, Slobogean G, Spicer J, Heidary B, Joos E, Berg R, Berg R, Sankarankutty A, Zakrison T, Babul S, Lockhart S, Faux S, Jackson A, Lee T, Bailey K, Pemberton J, Green R, Tallon J, Moore L, Turgeon A, Boutin A, Moore L, Reinartz D, Lapointe G, Turgeon A, Stelfox H, Turgeon A, Nathens A, Neveu X, Stelfox H, Turgeon A, Nathens A, Neveu X, Moore L, Turgeon A, Bratu I, Gladwin C, Voaklander D, Lewis M, Vogt K, Eckert K, Williamson J, Stewart TC, Parry N, Gray D, L’Heureux R, Ziesmann M, Kortbeek J, Brindley P, Hicks C, Fata P, Engels P, Ball C, Paton-Gay D, Widder S, Vogt K, Hernandez-Alejandro R, Gray D, Vanderbeek L, Forrokhyar F, Anatharajah R, Howatt N, Lamb S, Sne N, Kahnamoui K, Lyons R, Walters A, Brooks C, Pinder L, Rahman S, Walters A, Kidane B, Parry N, Donnelly E, Lewell M, Mellow R, Hedges C, Morassutti P, Bulatovic R, Morassutti P, Galbraith E, McKenzie S, Bradford D, Lewell M, Peddle M, Dukelow A, Eby D, McLeod S, Bradford P, Stewart TC, Parry N, Williamson O, Fraga G, Pereira B, Sareen J, Doupe M, Gawaziuk J, Chateau D, Logsetty S, Pallister I, Lewis J, O’Doherty D, Hopkins S, Griffiths S, Palmer S, Gabbe B, Xu X, Martin C, Xenocostas A, Parry N, Mele T, Rui T, Abreu E, Andrade M, Cruz F, Pires R, Carreiro P, Andrade T, Lampron J, Balaa F, Fortuna R, Issa H, Dias P, Marques M, Fernandes T, Sousa T, Inaba K, Smith J, Okoye O, Joos E, Shulman I, Nelson J, Parry N, Rhee P, Demetriades D, Ostrofsky R, Butler-Laporte G, Chughtai T, Khwaja K, Fata P, Mulder D, Razek T, Deckelbaum D, Bailey K, Pemberton J, Evans D, Anton H, Wei J, Randall E, Sobolev B, Scott BB, van Heest R, Frankfurter C, Pemberton J, McKerracher S, Stewart TC, Merritt N, Barber L, Kimmel L, Hodgson C, Webb M, Holland A, Gruen R, Harrison K, Hwang M, Hsee L, Civil I, Muizelaar A, Baillie F, Leeper T, Stewart TC, Gray D, Parry N, Sutherland A, Hart M, Gabbe B, Tuma F, Coates A, Farrokhyar F, Faidi S, Gastaldo F, Paskar D, Reid S, Faidi S, Petrisor B, Bhandari M, Loh WL, Ho C, Chong C, Rodrigues G, Gissoni M, Martins M, Andrade M, Cunha-Melo J, Rizoli S, Abu-Zidan F, Cameron P, Bernard S, Walker T, Jolley D, Fitzgerald M, Masci K, Gabbe B, Simpson P, Smith K, Cox S, Cameron P, Evans D, West A, Barratt L, Rozmovits L, Livingstone B, Vu M, Griesdale D, Schlamp R, Wand R, Alhabboubi M, Alrowaili A, Alghamdi H, Fata P, Essbaiheen F, Alhabboubi M, Fata P, Essbaiheen F, Chankowsky J, Razek T, Stephens M, Vis C, Belton K, Kortbeek J, Bratu I, Dufresne B, Guilfoyle J, Ibbotson G, Martin K, Matheson D, Parks P, Thomas L, Kirkpatrick A, Santana M, Kline T, Kortbeek J, Stelfox H, Lyons R, Macey S, Fitzgerald M, Judson R, Cameron P, Sutherland A, Hart M, Morgan M, McLellan S, Wilson K, Cameron P, Sorvari A, Chaudhry Z, Khawaja K, Ali A, Akhtar J, Zubair M, Nickow J, Sorvari A, Holodinsky J, Jaeschke R, Ball C, Blaser AR, Starkopf J, Zygun D, Kirkpatrick A, Roberts D, Ball C, Blaser AR, Starkopf J, Zygun D, Jaeschke R, Kirkpatrick A, Santana M, Stelfox H, Stelfox H, Rizoli S, Tanenbaum B, Stelfox H, Redondano BR, Jimenez LS, Zago T, de Carvalho RB, Calderan TA, Fraga G, Campbell S, Widder S, Paton-Gay D, Engels P, Ferri M, Santana M, Kline T, Kortbeek J, Stelfox H, Nathens A, Lashoher A, McFarlan A, Ahmed N, Booy J, McDowell D, Nasr A, Wales P, Roberts D, Mercado M, Vis C, Kortbeek J, Kirkpatrick A, Lall R, Stelfox H, Ball C, Niven D, Dixon E, Stelfox H, Kirkpatrick A, Kaplan G, Hameed M, Ball C, Qadura M, Sne N, Reid S, Coates A, Faidi S, Veenstra J, Hennecke P, Gardner R, Appleton L, Sobolev B, Simons R, van Heest R, Hameed M, Sobolev B, Simons R, van Heest R, Hameed M, Palmer C, Bevan C, Crameri J, Palmer C, Hogan D, Grealy L, Bevan C, Palmer C, Jowett H, Boulay R, Chisholm A, Beairsto E, Goulette E, Martin M, Benjamin S, Boulay R, Watson I, Boulay R, Watson I, Watson I, Savoie J, Benjamin S, Martin M, Hogan A, Woodford S, Benjamin S, Chisholm A, Ondiveeran H, Martin M, Atkinson P, Doody K, Fraser J, Leblanc-Duchin D, Strack B, Naveed A, vanRensburg L, Madan R, Atkinson P, Boulva K, Deckelbaum D, Khwaja K, Fata P, Razek T, Fraser J, Verheul G, Parks A, Milne J, Nemeth J, Fata P, Correa J, Deckelbaum D, Bernardin B, Al Bader B, Khwaja K, Razek T, Atkinson P, Benjamin S, Sproul E, Mehta A, Galarneau M, Mahadevan P, Bansal V, Dye J, Hollingsworth-Fridlund P, Stout P, Potenza B, Coimbra R, Madan R, Marley R, Salvator A, Pisciotta D, Bridge J, Lin S, Ovens H, Nathens A, Abdo H, Dencev-Bihari R, Parry N, Lawendy A, Ibrahim-Zada I, Pandit V, Tang A, O’Keeffe T, Wynne J, Gries L, Friese R, Rhee P, Hameed M, Simons R, Taulu T, Wong H, Saleem A, Azzam M, Boulva K, Razek T, Khwaja K, Mulder D, Deckelbaum D, Fata P, Plourde M, Chadi S, Forbes T, Parry N, Martin G, Gaunt K, Bandiera G, Bawazeer M, MacKinnon D, Ahmed N, Spence J, Sankarankutty A, Nascimento B, Rizoli S, Ibrahim-Zada I, Aziz H, Tang A, Friese R, Wynne J, O’keeffe T, Vercruysse G, Kulvatunyou N, Rhee P, Sakles J, Mosier J, Wynne J, Kulvatunyou N, Tang A, Joseph B, Rhee P, Khwaja K, Fata P, Deckelbaum D, Razek T, Dias P, Issa H, Fortuna R, Sousa T, Abreu E, Bracco D, Khwaja K, Fata P, Deckelbaum D, Razek T, Bracco D, Khwaja K, Fata P, Deckelbaum D, Razek T, Norman D, Li J, Pemberton J, Al-Oweis J, Khwaja K, Fata P, Deckelbaum D, Razek T, Albuz O, Karamanos E, Vogt K, Okoye O, Talving P, Inaba K, Demetriades D, Elhusseini M, Sudarshan M, Deckelbaum D, Fata P, Razek T, Khwaja K, MacPherson C, Sun T, Pelletier M, Hameed M, Khalil MA, Azzam M, Valenti D, Fata P, Deckelbaum D, Razek T, Brown R, Simons R, Evans D, Hameed M, Inaba K, Vogt K, Okoye O, Gelbard R, Moe D, Grabo D, Demetriades D, Inaba K, Karamanos E, Okoye O, Talving P, Demetriades D, Inaba K, Karamanos E, Pasley J, Teixeira P, Talving P, Demetriades D, Fung S, Alababtain I, Brnjac E, Luz L, Nascimento B, Rizoli S, Parikh P, Proctor K, Murtha M, Schulman C, Namias N, Goldman R, Pike I, Korn P, Flett C, Jackson T, Keith J, Joseph T, Giddins E, Ouellet J, Cook M, Schreiber M, Kortbeek J. Trauma Association of Canada (TAC) Annual Scientific Meeting. The Westin Whistler Resort & Spa, Whistler, BC, Thursday, Apr. 11 to Saturday, Apr. 13, 2013Testing the reliability of tools for pediatric trauma teamwork evaluation in a North American high-resource simulation settingThe association of etomidate with mortality in trauma patientsDefinition of isolated hip fractures as an exclusion criterion in trauma centre performance evaluations: a systematic reviewEstimation of acute care hospitalization costs for trauma hospital performance evaluation: a systematic reviewHospital length of stay following admission for traumatic injury in Canada: a multicentre cohort studyPredictors of hospital length of stay following traumatic injury: a multicentre cohort studyInfluence of the heterogeneity in definitions of an isolated hip fracture used as an exclusion criterion in trauma centre performance evaluations: a multicentre cohort studyPediatric trauma, advocacy skills and medical studentsCompliance with the prescribed packed red blood cell, fresh frozen plasma and platelet ratio for the trauma transfusion pathway at a level 1 trauma centreEarly fixed-wing aircraft activation for major trauma in remote areasDevelopment of a national, multi-disciplinary trauma crisis resource management curriculum: results from the pilot courseThe management of blunt hepatic trauma in the age of angioembolization: a single centre experienceEarly predictors of in-hospital mortality in adult trauma patientsThe impact of open tibial fracture on health service utilization in the year preceding and following injuryA systematic review and meta-analysis of the efficacy of red blood cell transfusion in the trauma populationSources of support for paramedics managing work-related stress in a Canadian EMS service responding to multisystem trauma patientsAnalysis of prehospital treatment of pain in the multisystem trauma patient at a community level 2 trauma centreIncreased mortality associated with placement of central lines during trauma resuscitationChronic pain after serious injury — identifying high risk patientsEpidemiology of in-hospital trauma deaths in a Brazilian university teaching hospitalIncreased suicidality following major trauma: a population-based studyDevelopment of a population-wide record linkage system to support trauma researchInduction of hmgb1 by increased gut permeability mediates acute lung injury in a hemorrhagic shock and resuscitation mouse modelPatients who sustain gunshot pelvic fractures are at increased risk for deep abscess formation: aggravated by rectal injuryAre we transfusing more with conservative management of isolated blunt splenic injury? A retrospective studyMotorcycle clothesline injury prevention: Experimental test of a protective deviceA prospective analysis of compliance with a massive transfusion protocol - activation alone is not enoughAn evaluation of diagnostic modalities in penetrating injuries to the cardiac box: Is there a role for routine echocardiography in the setting of negative pericardial FAST?Achievement of pediatric national quality indicators — an institutional report cardProcess mapping trauma care in 2 regional health authorities in British Columbia: a tool to assist trauma sys tem design and evaluationPatient safety checklist for emergency intubation: a systematic reviewA standardized flow sheet improves pediatric trauma documentationMassive transfusion in pediatric trauma: a 5-year retrospective reviewIs more better: Does a more intensive physiotherapy program result in accelerated recovery for trauma patients?Trauma care: not just for surgeons. Initial impact of implementing a dedicated multidisciplinary trauma team on severely injured patientsThe role of postmortem autopsy in modern trauma care: Do we still need them?Prototype cervical spine traction device for reduction stabilization and transport of nondistraction type cervical spine injuriesGoing beyond organ preservation: a 12-year review of the beneficial effects of a nonoperative management algorithm for splenic traumaAssessing the construct validity of a global disability measure in adult trauma registry patientsThe mactrauma TTL assessment tool: developing a novel tool for assessing performance of trauma traineesA quality improvement approach to developing a standardized reporting format of ct findings in blunt splenic injuriesOutcomes in geriatric trauma: what really mattersFresh whole blood is not better than component therapy (FFP:RBC) in hemorrhagic shock: a thromboelastometric study in a small animal modelFactors affecting mortality of chest trauma patients: a prospective studyLong-term pain prevalence and health related quality of life outcomes for patients enrolled in a ketamine versus morphine for prehospital traumatic pain randomized controlled trialDescribing pain following trauma: predictors of persistent pain and pain prevalenceManagement strategies for hemorrhage due to pelvic trauma: a survey of Canadian general surgeonsMajor trauma follow-up clinic: Patient perception of recovery following severe traumaLost opportunities to enhance trauma practice: culture of interprofessional education and sharing among emergency staffPrehospital airway management in major trauma and traumatic brain injury by critical care paramedicsImproving patient selection for angiography and identifying risk of rebleeding after angioembolization in the nonoperative management of high grade splenic injuriesFactors predicting the need for angioembolization in solid organ injuryProthrombin complex concentrates use in traumatic brain injury patients on oral anticoagulants is effective despite underutilizationThe right treatment at the right time in the right place: early results and associations from the introduction of an all-inclusive provincial trauma care systemA multicentre study of patient experiences with acute and postacute injury carePopulation burden of major trauma: Has introduction of an organized trauma system made a difference?Long-term functional and return to work outcomes following blunt major trauma in Victoria, AustraliaSurgical dilemma in major burns victim: heterotopic ossification of the tempromandibular jointWhich radiological modality to choose in a unique penetrating neck injury: a differing opinionThe Advanced Trauma Life Support (ATLS) program in CanadaThe Rural Trauma Team Development Course (RTTDC) in Pakistan: Is there a role?Novel deployment of BC mobile medical unit for coverage of BMX world cup sporting eventIncidence and prevalence of intra-abdominal hypertension and abdominal compartment syndrome in critically ill adults: a systematic review and meta-analysisRisk factors for intra-abdominal hypertension and abdominal compartment syndrome in critically ill or injured adults: a systematic review and meta-analysisA comparison of quality improvement practices at adult and pediatric trauma centresInternational trauma centre survey to evaluate content validity, usability and feasibility of quality indicatorsLong-term functional recovery following decompressive craniectomy for severe traumatic brain injuryMorbidity and mortality associated with free falls from a height among teenage patients: a 5-year review from a level 1 trauma centreA comparison of adverse events between trauma patients and general surgery patients in a level 1 trauma centreProcoagulation, anticoagulation and fibrinolysis in severely bleeding trauma patients: a laboratorial characterization of the early trauma coagulopathyThe use of mobile technology to facilitate surveillance and improve injury outcome in sport and physical activityIntegrated knowledge translation for injury quality improvement: a partnership between researchers and knowledge usersThe impact of a prevention project in trauma with young and their learningIntraosseus vascular access in adult trauma patients: a systematic reviewThematic analysis of patient reported experiences with acute and post-acute injury careAn evaluation of a world health organization trauma care checklist quality improvement pilot programProspective validation of the modified pediatric trauma triage toolThe 16-year evolution of a Canadian level 1 trauma centre: growing up, growing out, and the impact of a booming economyA 20-year review of trauma related literature: What have we done and where are we going?Management of traumatic flail chest: a systematic review of the literatureOperative versus nonoperative management of flail chestEmergency department performance of a clinically indicated and technically successful emergency department thoracotomy and pericardiotomy with minimal equipment in a New Zealand institution without specialized surgical backupBritish Columbia’s mobile medical unit — an emergency health care support resourceRoutine versus ad hoc screening for acute stress: Who would benefit and what are the opportunities for trauma care?A geographical analysis of the Early Development Instrument (EDI) and childhood injuryDevelopment of a pediatric spinal cord injury nursing course“Kids die in driveways” — an injury prevention campaignEpidemiology of traumatic spine injuries in childrenA collaborative approach to reducing injuries in New Brunswick: acute care and injury preventionImpact of changes to a provincial field trauma triage tool in New BrunswickEnsuring quality of field trauma triage in New BrunswickBenefits of a provincial trauma transfer referral system: beyond the numbersThe field trauma triage landscape in New BrunswickImpact of the Rural Trauma Team Development Course (RTTDC) on trauma transfer intervals in a provincial, inclusive trauma systemTrauma and stress: a critical dynamics study of burnout in trauma centre healthcare professionalsUltrasound-guided pediatric forearm fracture reduction with sedation in the emergency departmentBlock first, opiates later? The use of the fascia iliaca block for patients with hip fractures in the emergency department: a systematic reviewRural trauma systems — demographic and survival analysis of remote traumas transferred from northern QuebecSimulation in trauma ultrasound trainingIncidence of clinically significant intra-abdominal injuries in stable blunt trauma patientsWake up: head injury management around the clockDamage control laparotomy for combat casualties in forward surgical facilitiesDetection of soft tissue foreign bodies by nurse practitioner performed ultrasoundAntihypertensive medications and walking devices are associated with falls from standingThe transfer process: perspectives of transferring physiciansDevelopment of a rodent model for the study of abdominal compartment syndromeClinical efficacy of routine repeat head computed tomography in pediatric traumatic brain injuryEarly warning scores (EWS) in trauma: assessing the “effectiveness” of interventions by a rural ground transport service in the interior of British ColumbiaAccuracy of trauma patient transfer documentation in BCPostoperative echocardiogram after penetrating cardiac injuries: a retrospective studyLoss to follow-up in trauma studies comparing operative methods: a systematic reviewWhat matters where and to whom: a survey of experts on the Canadian pediatric trauma systemA quality initiative to enhance pain management for trauma patients: baseline attitudes of practitionersComparison of rotational thromboelastometry (ROTEM) values in massive and nonmassive transfusion patientsMild traumatic brain injury defined by GCS: Is it really mild?The CMAC videolaryngosocpe is superior to the glidescope for the intubation of trauma patients: a prospective analysisInjury patterns and outcome of urban versus suburban major traumaA cost-effective, readily accessible technique for progressive abdominal closureEvolution and impact of the use of pan-CT scan in a tertiary urban trauma centre: a 4-year auditAdditional and repeated CT scan in interfacilities trauma transfers: room for standardizationPediatric trauma in situ simulation facilitates identification and resolution of system issuesHospital code orange plan: there’s an app for thatDiaphragmatic rupture from blunt trauma: an NTDB studyEarly closure of open abdomen using component separation techniqueSurgical fixation versus nonoperative management of flail chest: a meta-analysisIntegration of intraoperative angiography as part of damage control surgery in major traumaMass casualty preparedness of regional trauma systems: recommendations for an evaluative frameworkDiagnostic peritoneal aspirate: An obsolete diagnostic modality?Blunt hollow viscus injury: the frequency and consequences of delayed diagnosis in the era of selective nonoperative managementEnding “double jeopardy:” the diagnostic impact of cardiac ultrasound and chest radiography on operative sequencing in penetrating thoracoabdominal traumaAre trauma patients with hyperfibrinolysis diagnosed by rotem salvageable?The risk of cardiac injury after penetrating thoracic trauma: Which is the better predictor, hemodynamic status or pericardial window?The online Concussion Awareness Training Toolkit for health practitioners (CATT): a new resource for recognizing, treating, and managing concussionThe prevention of concussion and brain injury in child and youth team sportsRandomized controlled trial of an early rehabilitation intervention to improve return to work Rates following road traumaPhone call follow-upPericardiocentesis in trauma: a systematic review. Can J Surg 2013. [DOI: 10.1503/cjs.005813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Alcobia A, Martins M, Bravo R, Leandro A, Duarte H, Santos P, Lopes A, Aragão F. CPC-029 Characterization of Patients Non-Adherent to Highly Active Antiretroviral Therapy (HAART) Between 2010–2011. Eur J Hosp Pharm 2013. [DOI: 10.1136/ejhpharm-2013-000276.486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Carreira S, Costa PM, Martins M, Lobo J, Costa MH, Caeiro S. Ecotoxicological heterogeneity in transitional coastal habitats assessed through the integration of biomarkers and sediment-contamination profiles: a case study using a commercial clam. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2013; 64:97-109. [PMID: 23052360 DOI: 10.1007/s00244-012-9812-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2012] [Accepted: 09/10/2012] [Indexed: 06/01/2023]
Abstract
Transitional waterbodies, such as estuaries, are highly diversified environments with respect to ecology, geophysics, and nature of anthropogenic impacts. This spatial heterogeneity may pose important constraints when developing monitoring programmes for aquatic pollution. The present study compared three distinct coastal ecosystems located in Southern Portugal (subjected to different anthropogenic stressors), namely, two estuaries and a coastal lagoon, through the characterisation of sediment contamination and a biomarker approach to an important commercial clam (Ruditapes decussatus) obtained from local fishing grounds. The results showed high heterogeneity of sediment contamination for both estuaries and a marked distinction between industrially and agriculturally influenced areas as well as between natural and artificialized sites. Hydrodynamics and oceanic influence (in essence dictating sediment type) play a major role in environmental quality. Environmental heterogeneity constituted an important confounding factor for biomarker analysis in the clams' digestive glands since the animals appeared to respond to their immediate surroundings' characteristics rather than the geographical area where they were collected from, despite the relative distance to pollution hot spots. Still, oxidative stress biomarkers (lipid peroxidation and catalase activity) could correlate with each other and to both organic and metallic contamination, whereas metallothionein-like protein induction failed to correlate to any class of sediment toxicants (albeit metals being the most representative pollutants) and appeared to be strongly affected (unlike the previous) by clam size and probably other unknown internal and external variables, among which contaminant interactions should play a major role.
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Martins M, Custódio R, Camejo A, Almeida MT, Cabanes D, Sousa S. Listeria monocytogenes triggers the cell surface expression of Gp96 protein and interacts with its N terminus to support cellular infection. J Biol Chem 2012; 287:43083-93. [PMID: 23109341 DOI: 10.1074/jbc.m112.422568] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Listeria monocytogenes is an intracellular food-borne pathogen causing listeriosis in humans. This bacterium deploys an arsenal of virulence factors that act in concert to promote cellular infection. Bacterial surface proteins are of primary importance in the process of host cell invasion. They interact with host cellular receptors, inducing/modulating specific cellular responses. We previously identified Vip, a Listeria surface protein covalently attached to the bacterial cell wall acting as a key virulence factor. We have shown that Vip interacts with Gp96 localized at the surface of host cells during invasion and that this interaction is critical for a successful infection in vivo. To better understand the importance of Vip-Gp96 interaction during infection, we aimed to characterize this interaction at the molecular level. Here we demonstrate that, during infection, L. monocytogenes triggers the cellular redistribution of Gp96, inducing its exposure at the cell surface. Upon infection, Gp96 N-terminal domain is exposed to the extracellular milieu in L2071 fibroblasts and interacts with Vip expressed by Listeria. We identified Gp96 (Asp(1)-Leu(170)) as sufficient to interact with Vip; however, we also showed that the region Tyr(179)-Leu(390) of Gp96 is important for the interaction. Our findings unravel the Listeria-induced surface expression of Gp96 and the topology of its insertion on the plasma membrane and improve our knowledge on the Vip-Gp96 interaction during Listeria infection.
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Sekushin V, Püttner R, Fink RF, Martins M, Jiang YH, Aksela H, Aksela S, Kaindl G. A comprehensive study of the vibrationally resolved S 2p−1 Auger electron spectrum of carbonyl sulfide. J Chem Phys 2012; 137:044310. [PMID: 22852621 DOI: 10.1063/1.4734310] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Pirmettis I, Arano Y, Tsotakos T, Okada K, Yamaguchi A, Uehara T, Morais M, Correia JDG, Santos I, Martins M, Pereira S, Triantis C, Kyprianidou P, Pelecanou M, Papadopoulos M. New (99m)Tc(CO)(3) mannosylated dextran bearing S-derivatized cysteine chelator for sentinel lymph node detection. Mol Pharm 2012; 9:1681-92. [PMID: 22519912 DOI: 10.1021/mp300015s] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The aim of the present study is to synthesize new mannosylated dextran derivative that can be labeled with Tc-99m for potential use in sentinel lymph node detection (SLND). The compound was designed to have a dextran with molecular weight of 10 kDa as a backbone, mannose for binding to mannose receptors of the lymph node and S-derivatized cysteine as a suitable chelator for labeling with [(99m)Tc(H(2)O)(3)(CO)(3)](+) precursor. Reaction of allyl bromide with dextran (MW 11800) yielded the intermediate allyl-dextran (1) with about 40% coupling. Addition of cysteine to allyl-dextran resulted in the S-derivatized cysteine, compound DC15 (2). The final product DCM20 (3) was obtained in good yield after in situ hydrolysis and activation of cyanomethyl tetraacetyl-1-thio-d-mannopyranoside and coupling to DC15. All derivatives were purified by ultrafiltration and characterized by NMR. DC15 and DCM20 were quantitatively labeled with (99m)Tc (>95% radiochemical purity) using the fac-[(99m)Tc(OH(2))(3)(CO)(3)](+) precursor and ligand concentration of 1.5 × 10(-6) M at neutral pH. Both (99m)Tc-labeled compounds (99m)Tc(CO)(3)-DC15 (6) and (99m)Tc(CO)(3)-DCM20 (7) remained stable after 6 h incubation at 37 °C in the presence of excess histidine or cysteine, as well as even after 20-fold dilution and incubation for 24 h at room temperature. The characterization of the compounds 6 and 7 was performed by comparing their HPLC radiochromatograms with those of their rhenium surrogates Re(CO)(3)-DC15 (4) and Re(CO)(3)-DCM20 (5) respectively that were prepared using the precursor [NEt(4)](2)fac-[ReBr(3)(CO)(3)] and characterized by IR and NMR spectroscopy. When injected subcutaneously from the foot pad of mice, (99m)Tc-labeled mannosylated dextran (7) showed accumulation in the popliteal lymph node (SLN in this model) higher than that of non-mannosylated analogue (6) and the (99m)Tc-phytate serving as standard. Compound 7 also exhibited lower radioactivity levels at the injection site compared to (99m)Tc-phytate. The SPECT/CT studies in mice confirmed that 7 accumulated in the popliteal lymph node allowing its clear visualization. The present findings demonstrate that compound 7 ((99m)Tc(CO)(3)-DCM20) is promising and merits further evaluation as a radiopharmaceutical for sentinel lymph node detection.
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Silva A, Vieira R, Nisiyama M, Santos A, Perini A, Mauad T, Dolhnikoff M, Martins M, Carvalho C. Exercise Inhibits Allergic Lung Inflammation. Int J Sports Med 2012; 33:402-9. [PMID: 22510803 DOI: 10.1055/s-0032-1301888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Martins M, Lima TA, Teixeira A, Artese F, MENDES A. Friction generated by elastomeric ligature with and without polymer coating. BRAZILIAN DENTAL SCIENCE 2012. [DOI: 10.14295/bds.2011.v14i1/2.708] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
O objetivo deste estudo foi comparar, in vitro, o atrito gerado por ligaduras elásticas com cobertura polimérica com ligaduras convencionais. Foram testados três calibres de fio: 0.020", 0.019" x 0.025" and 0.019" x 0.026 ". Foram confeccionadas duas placas de acrílico, onde emu ma placa foi colado um bráquete de incisivo central superior e na outra placa foi feito uma canaleta onde os fios ortodônticos eram fixados. As placas de acrílico foram fixadas e reguladas em uma máquina de ensaio de tração de maneira que o fio fosse fixado ao bráquete sem nenhuma angulação. Para cada fio foram testadas 10 ligaduras de cada tipo. Os fios foram tracionados pelo slot do bráquete a uma distância de 5mm com uma velocidade constante de 5mm/min. Os resultados obtidos foram comparados pelo teste t de Student com significância de p<0.05, e revelaram a existência de diferenças significativas entre as forces geradas para cada caliber de fio. As ligaduras convencionais sem cobertura polimérica geraram forças significantemente maiores que as ligaduras com cobertura polimérica. As ligaduras com cobertura polimérica geraram menor atrito que as ligaduras convencionais em todos os calibres de fio avaliados, sugerindo que este tipo de ligaduras pode ser usado como escolha nas mecânicas de distalização.
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Jeremias E, Chatkin JM, Chatkin G, Seibert J, Martins M, Wagner M. Smoking cessation in older adults. Int J Tuberc Lung Dis 2012; 16:273-8. [DOI: 10.5588/ijtld.11.0312] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Ramos J, Trancas B, Ferreira B, Borja Santos N, Martins M, Neto A, Ribeiro J, Klut C, Xavier S, Graca J, Palma M, Cardoso G. P-760 - Neurosyphilis: four case reports of immunocompetent patients presenting initially to psychiatry. Eur Psychiatry 2012. [DOI: 10.1016/s0924-9338(12)74927-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Palma M, Ferreira B, Borja Santos N, Trancas B, Parente J, Ramos J, Monteiro M, Klut C, Graça J, Xavier S, Neto A, Martins M, Ribeiro J, Cardoso G. P-195 - Electroconvulsive therapy in bipolar mixed states: a case series. Eur Psychiatry 2012. [DOI: 10.1016/s0924-9338(12)74362-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Kramer A, Gaulocher S, Martins M, Filho LL. Surface Tension Measurement for Optimization of Flotation Control. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.proeng.2012.09.453] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Marques A, Martins J, Martins M, Costa J, Sarmento H, Onofre M, Carreiro da Costa F. The importance of attitudes towards physical activity and its relationship with practice of physical activity. Br J Sports Med 2011. [DOI: 10.1136/bjsports-2011-090606.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Silva NJO, Puente-Orench I, Martins M, Trindade T, Millán A, Campo J, Palacio F. Neutron diffraction and magnetism of CoO antiferromagnetic nanoparticles. ACTA ACUST UNITED AC 2011. [DOI: 10.1088/1742-6596/325/1/012020] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Marques R, Rodella R, Martins M. CONTROLE QUÍMICO EM PÓS-EMERGÊNCIA DE ESPÉCIES DE BRACHIARIA EM TRÊS ESTÁDIOS VEGETATIVOS. ARQUIVOS DO INSTITUTO BIOLÓGICO 2011. [DOI: 10.1590/1808-1657v78p4092011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
RESUMO O objetivo do presente trabalho foi relacionar a eficiência do controle químico em pós-emergência de Brachiaria decumbens Stapf. (capim-braquiária) e Brachiaria plantaginea Hitchc. (capim-marmelada) por meio de herbicidas inibidores da enzima ACCase em função do estádio de desenvolvimento da planta, visando fornecer subsídios para o manejo químico dessas espécies daninhas. A semeadura de B. decumbens e B. plantaginea foi feita em vasos plásticos contendo solo e mantidos em casa de vegetação. Para a avaliação do controle químico foram testados os herbicidas (g ha-1): fluazifop-p-butil a 150, haloxyfop-methyl a 50 e sethoxydim a 230. Os herbicidas foram aplicados em três estádios de desenvolvimento da planta: estádio 1 (plantas com 4-6 folhas aos 15 dias após a emergência), estádio 2 (plantas com 3-4 perfilhos aos 23 dias após a emergência) e estádio 3 (plantas adultas no início do florescimento aos 48 dias após a emergência). As avaliações de controle foram feitas 4, 7, 10, 14, 17, 21, 24 e 28 dias após a aplicação dos herbicidas. O estádio de desenvolvimento das duas espécies de Brachiaria foi determinante na eficiência de controle proporcionado pelos diferentes herbicidas estudados. Verificou-se que o herbicida sethoxydim foi mais eficiente no controle das espécies de Brachiaria, nos três estádios de desenvolvimento estudados.
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Oliveira L, Schubach A, Martins M, Passos S, Oliveira R, Marzochi M, Andrade C. SP5-33 Systematic review of the adverse effects of cutaneous leishmaniasis treatment in the new world. J Epidemiol Community Health 2011. [DOI: 10.1136/jech.2011.142976p.69] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Choi HJ, Lim JS, Park EJ, Jung HJ, Lee YJ, Kwon TH, Cesar KR, Araujo M, de Braganca AC, Magaldi AJ, Freisinger W, Ditting T, Heinlein S, Schatz J, Veelken R, Burki R, Mohebbi N, Wang X, Serra A, Wagner C, Ditting T, Freisinger W, Rodionova K, Heinlein S, Schmieder R, Veelken R, Yano Y, Kudo LH, Magaldi AJ, Choi HJ, Yoon YJ, Lim JS, Hwang GS, Kwon TH, Jo CH, Kim S, Park JS, Lee CH, Kang CM, Kim GH, Kokeny G, Szoleczky P, Fang L, Rosivall L, Mozes MM, Freisinger W, Schatz J, Lampert A, Ditting T, Veelken R, Yano Y, Magaldi AJ, LEE WC, Wang YC, Chen JB, Santos C, Gomes AM, Ventura A, Almeida C, Seabra J, Daher E, Leite de Figueiredo P, Montenegro R, Montenegro R, Martins M, Bezerra da Silva G, Liborio A, Sromicki J, Matter S, Sitzmann K, Hess B, Lee J, Kim S, Lee JW, Oh YK, Na KY, Joo KW, Earm JH, Han JS, Ninchoji T, Kaito H, Nozu K, Hashimura Y, Nakanishi K, Yoshikawa N, Iijima K, Matsuo M, Gorini A, Addesse R, Comegna C, Galderisi C, Cecilia A, Tomaselli M, Di Lullo L, Polito P. Acid-base/Na, K, Cl. Experimental and clinical. Clin Kidney J 2011. [DOI: 10.1093/ndtplus/4.s2.26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Cardoso G, Graça J, Klut C, Xavier S, Neto A, Martins M, Ramos J, Ribeiro J, Vieira C. Frequent users of an acute psychiatric inpatient unit: A 5-year retospective study. Eur Psychiatry 2011. [DOI: 10.1016/s0924-9338(11)72225-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
IntroductionA small subset of patients with above average admissions to psychiatric inpatient units is recognized in clinical practice. These frequent users tend to be younger and to have a diagnosis of schizophrenia or affective disorder. Social conditions and the severity of the illness seem to be associated with this increased number of admissions.Aims/ObjectivesTo study demographic and clinical characteristics of frequent and non-frequent users of a psychiatric inpatient unit.MethodsRetrospective data of all the patients admitted to a psychiatric inpatient unit from January 2004 to December 2008 were reviewed. Frequent-users were defined as patients with 3 or more admissions over that period of time, and non-frequent users as those with less than 3 admissions. The two groups were compared in terms of age, gender, ethnicity, psychiatric diagnosis and compulsory admissionsResultsIn a total of 2018 admissions and 1348 patients, the frequent-user group represented 10.2% (n = 137) of the patients and 28.9%(n = 584) of the admissions. Frequent-users were significantly younger (39.5 vs. 44.5 years, p = .001), more frequently black (22.6 vs. 19.4%, p < .001) and compulsorily admitted (27.7 vs. 14%, p < .001) than non-frequent users. Patients with bipolar disorder (p = .001), schizophrenia (p = .003) belonged significantly more to frequent-users group, while unipolar depressive patients (p = .016) and other diagnosis (p = .011) was more significantly represented in the non-frequent users group. Frequency of admission did not differ with gender.ConclusionsThe results concerning age and psychiatric diagnosis are consistent with previous studies. Compulsory admissions and black ethnicity were significantly higher among frequent- users.
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Lammich L, Domesle C, Jordon-Thaden B, Förstel M, Arion T, Lischke T, Heber O, Klumpp S, Martins M, Guerassimova N, Treusch R, Ullrich J, Hergenhahn U, Pedersen HB, Wolf A. Fragmentation pathways of H+(H2O)2 after extreme ultraviolet photoionization. PHYSICAL REVIEW LETTERS 2010; 105:253003. [PMID: 21231587 DOI: 10.1103/physrevlett.105.253003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2010] [Indexed: 05/30/2023]
Abstract
Photofragmentation of the protonated water dimer H+(H2O)_{2}, a fundamental system both in aqueous solutions and gas-phase water clusters, has been studied at 13.8 nm using the Free Electron Laser FLASH in Hamburg. In a crossed-beam experiment using time-resolved, single-molecule fragment imaging, the two-body breakup into H2O++H3O+ was found as a prominent fragmentation channel with a kinetic energy release of up to 10 eV. This channel was observed with at least a similar yield as events with stronger fragmentation, producing protons together with neutral fragments and showing an absolute cross section of (0.5 ± 0.2) × 10(-18) cm2.
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Cahn P, Altclas J, Martins M, Losso M, Cassetti I, Cooper DA, Cox S. Antiviral activity of apricitabine in treatment-experienced HIV-1-infected patients with M184V who are failing combination therapy. HIV Med 2010; 12:334-42. [PMID: 21054750 DOI: 10.1111/j.1468-1293.2010.00887.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
OBJECTIVES Apricitabine (ATC) is a novel deoxycytidine analogue nucleoside reverse transcriptase inhibitor (NRTI) with significant antiviral activity in vitro, including activity against HIV-1 with reverse transcriptase mutations that confer resistance to other NRTIs. ATC has shown promising antiviral activity and good tolerability when given as monotherapy for 10 days in treatment-naïve HIV-1-infected patients. METHODS In this Phase II randomized, double-blind study, 51 treatment-experienced HIV-1-infected patients with the reverse transcriptase mutation M184V who were failing therapy which included lamivudine (3TC) were randomized to receive twice-daily 600 mg ATC, 800 mg ATC or 150 mg 3TC for 21 days. Patients remained on their existing background regimen until day 21, when background therapy could be optimized according to genotype at screening. RESULTS At day 21, the mean change in viral load was -0.71 and -0.90 log(10) HIV-1 RNA copies/mL in the 600 and 800 mg ATC groups, respectively, compared with a -0.03 log(10) change in the 3TC group. In patients with at least three thymidine analogue mutations (TAMs) at baseline, greater reductions in viral load were observed in the 800 mg ATC group at day 21 than in the 600 mg ATC group. Few genotypic changes were detected at day 21 [two patients (600 mg ATC) lost and three patients (800 mg ATC) gained a TAM] and all patients with detectable virus retained the M184V mutation. The safety profiles of the two ATC doses were similar to that of 3TC. CONCLUSIONS Over the 21-day treatment period, ATC showed promising antiviral activity and was well tolerated in treatment-experienced patients with M184V, with or without additional TAMs.
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Cargnelutti JF, Masuda EK, Martins M, Diel DG, Rock DL, Weiblen R, Flores EF. Virological and clinico-pathological features of orf virus infection in experimentally infected rabbits and mice. Microb Pathog 2010; 50:56-62. [PMID: 20833245 DOI: 10.1016/j.micpath.2010.08.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2010] [Revised: 08/26/2010] [Accepted: 08/31/2010] [Indexed: 10/19/2022]
Abstract
Many aspects of the biology of orf virus (ORFV) infection remain poorly understood and attempts to establish animal models have yielded conflicting and non-reproducible results. We herein describe the characterization of ORFV infection and disease in rabbits and mice. A protocol of intradermal inoculation was employed to inoculate 10(8.5)TCID₅₀/mL of ORFV strain IA-82 in the skin of ears, of the back and labial commissures. All inoculated rabbits presented a clinical course characterized by erythema, macules, papules/vesicles or pustules that eventually dried originating scabs. Local signs started around days 3 and 4 post-inoculation (pi) and lasted 3-10 days. Virus was recovered from lesions between days 2 and 14pi. Histological examination of lesions revealed focal proliferative dermatitis with ballooning degeneration and eosinophilic intracytoplasmic inclusion bodies in keratinocytes, histological hallmarks of contagious ecthyma in sheep. A similar, albeit milder clinical course occurred in 5/10 inoculated mice; virus was recovered from lesions from three animals. Inoculated lambs - used as controls - developed severe lesions of contagious ecthyma. VN tests performed at day 28pi failed to detect neutralizing antibodies in all inoculated animals. In contrast, convalescent rabbit sera were positive by ELISA at dilutions from 100 to 400. These results show that rabbits are susceptible to ORFV infection and thus may be used to study selected aspects of ORFV biology.
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Martins A, Spengler G, Martins M, Rodrigues L, Viveiros M, Davin-Regli A, Chevalier J, Couto I, Pagès JM, Amaral L. Physiological characterisation of the efflux pump system of antibiotic-susceptible and multidrug-resistant Enterobacter aerogenes. Int J Antimicrob Agents 2010; 36:313-8. [PMID: 20688487 DOI: 10.1016/j.ijantimicag.2010.06.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2010] [Revised: 06/13/2010] [Accepted: 06/14/2010] [Indexed: 10/19/2022]
Abstract
Enterobacter aerogenes predominates amongst Enterobacteriaceae species that are increasingly reported as producers of extended-spectrum beta-lactamases. Although this mechanism of resistance to beta-lactams is important, other mechanisms bestowing a multidrug-resistant (MDR) phenotype in this species are now well documented. Amongst these mechanisms is the overexpression of efflux pumps that extrude structurally unrelated antibiotics prior to their reaching their targets. Interestingly, although knowledge of the genetic background behind efflux pumps is rapidly advancing, few studies assess the physiological nature of the overall efflux pump system of this, or for that matter any other, bacterium. The study reported here evaluates physiologically the efflux pump system of an E. aerogenes ATCC reference as well as two strains whose MDR phenotypes are mediated by overexpressed efflux pumps. The activities of the efflux pumps in these strains are modulated by pH and glucose, although the effects of the latter are essentially restricted to pH 8, suggesting the presence of two general efflux pump systems, i.e. proton-motive force-dependent and ABC transporter types, respectively.
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Schuchardt M, Toelle M, Huang T, Wiedon A, Van Der Giet M, Mill C, George S, Jeremy J, Santulli G, Illario M, Cipolletta E, Sorriento D, Del Giudice C, Anastasio A, Trimarco B, Iaccarino G, Jobs A, Wagner C, Kurtz A, De Wit C, Koller A, Suvorava T, Weber M, Dao V, Kojda G, Tsaousi A, Lyon C, Williams H, George S, Barth N, Loot A, Fleming I, Keul P, Lucke S, Graeler M, Heusch G, Levkau B, Biessen E, De Jager S, Bermudez-Pulgarin B, Bot I, Abia R, Van Berkel T, Renger A, Noack C, Zafiriou M, Dietz R, Bergmann M, Zelarayan L, Hammond J, Hamelet J, Van Assche T, Belge C, Vanderper A, Langin D, Herijgers P, Balligand J, Perrot A, Neubert M, Dietz R, Posch M, Oezcelik C, Posch M, Waldmuller S, Perrot A, Berger F, Scheffold T, Bouvagnet P, Ozcelik C, Lebreiro A, Martins E, Lourenco P, Cruz C, Martins M, Bettencourt P, Maciel M, Abreu-Lima C, Pilichou K, Bauce B, Rampazzo A, Carturan E, Corrado D, Thiene G, Basso C, Piccini I, Fortmueller L, Kuhlmann M, Schaefers M, Carmeliet P, Kirchhof P, Fabritz L, Sanchez J, Rodriguez-Sinovas A, Agullo E, Garcia-Dorado D, Lymperopoulos A, Rengo G, Gao E, Zincarelli C, Koch W, Fontes-Sousa A, Silva S, Gomes M, Ferreira P, Leite-Moreira A, Capuano V, Ferron L, Ruchon Y, Ben Mohamed F, Renaud JF, Morgan P, Falcao-Pires I, Goncalves N, Gavina C, Pinho S, Moura C, Amorim M, Pinho P, Leite-Moreira A, Christ T, Molenaar P, Diez A, Ravens U, Kaumann A, Kletsiou E, Giannakopoulou M, Bozas E, Iliodromitis E, Anastasiou-Nana M, Papathanassoglou E, Chottova Dvorakova M, Mistrova E, Perez N, Slavikova J, Hynie S, Sida P, Klenerova V, Massaro M, Scoditti E, Carluccio M, Storelli C, Distante A, De Caterina R, Cingolani H, Zakrzewicz A, Hoffmann C, Hohberg M, Chlench S, Maroski J, Drab M, Siegel G, Pries A, Farrell K, Holt C, Zahradnikova A, Schrot G, Ibatov A, Wilck N, Fechner M, Arias A, Meiners S, Baumann G, Stangl V, Stangl K, Ludwig A, Polakova E, Christ A, Eijgelaar W, Daemen M, Li X, Penfold M, Schall T, Weber C, Schober A, Hintenberger R, Kaun C, Zahradnik I, Pfaffenberger S, Maurer G, Huber K, Wojta J, Demyanets S, Titov V, Nazari-Jahantigh M, Weber C, Schober A, Chin-Dusting J, Zahradnikova A, Vaisman B, Khong S, Remaley A, Andrews K, Hoeper A, Khalid A, Fuglested B, Aasum E, Larsen T, Titov V, Fluschnik N, Carluccio M, Scoditti E, Massaro M, Storelli C, Distante A, De Caterina R, Diebold I, Petry A, Djordjevic T, Belaiba R, Sossalla S, Fratz S, Hess J, Kietzmann T, Goerlach A, O'shea K, Chess D, Khairallah R, Walsh K, Stanley W, Falcao-Pires I, Ort K, Goncalves N, Van Der Velden J, Moreira-Goncalves D, Paulus W, Niessen H, Perlini S, Leite-Moreira A, Azibani F, Tournoux F, Fazal L, Neef S, Polidano E, Merval R, Chatziantoniou C, Samuel J, Delcayre C, Azibani F, Tournoux F, Fazal L, Polidano E, Merval R, Hasenfuss G, Chatziantoniou C, Samuel J, Delcayre C, Mgandela P, Brooksbank R, Maswanganyi T, Woodiwiss A, Norton G, Makaula S, Sartiani L, Maier L, Bucciantini M, Spinelli V, Coppini R, Russo E, Mugelli A, Cerbai E, Stefani M, Sukumaran V, Watanabe K, Ma M, Weinert S, Thandavarayan R, Azrozal W, Sari F, Shimazaki H, Kobayashi Y, Roleder T, Golba K, Deja M, Malinowski M, Wos S, Poitz D, Stieger P, Grebe M, Tillmanns H, Preissner K, Sedding D, Ercan E, Guven A, Asgun F, Ickin M, Ercan F, Herold J, Kaplan A, Yavuz O, Bagla S, Yang Y, Ma Y, Liu F, Li X, Huang Y, Kuka J, Vilskersts R, Schmeisser A, Vavers E, Liepins E, Dambrova M, Mariero L, Rutkovskiy A, Stenslokken K, Vaage J, Duerr G, Suchan G, Heuft T, Strasser J, Klaas T, Zimmer A, Welz A, Fleischmann B, Dewald O, Voelkl J, Haubner B, Kremser C, Mayr A, Klug G, Braun-Dullaeus R, Reiner M, Pachinger O, Metzler B, Pisarenko O, Shulzhenko V, Pelogeykina Y, Khatri D, Studneva I, Barnucz E, Loganathan S, Nazari-Jahantigh M, Hirschberg K, Korkmaz S, Merkely B, Karck M, Szabo G, Bencsik P, Gorbe A, Kocsis G, Csonka C, Csont T, Weber C, Shamloo M, Woodburn K, Ferdinandy P, Szucs G, Kupai K, Csonka C, Csont C, Ferdinandy P, Kocsisne Fodor G, Bencsik P, Schober A, Fekete V, Varga Z, Monostori P, Turi S, Ferdinandy P, Csont T, Leuner A, Eichhorn B, Ravens U, Morawietz H, Babes E, Babes V, Popescu M, Ardelean A, Rus M, Bustea C, Gwozdz P, Csanyi G, Luzak B, Gajda M, Mateuszuk L, Chmura-Skirlinska A, Watala C, Chlopicki S, Kierzkowska I, Sulicka J, Kwater A, Strach M, Surdacki A, Siedlar M, Grodzicki T, Olieslagers S, Pardali L, Tchaikovski V, Ten Dijke P, Waltenberger J, Renner M, Redwan B, Winter M, Panzenboeck A, Jakowitsch J, Sadushi-Kolici R, Bonderman D, Lang I, Toso A, Tanini L, Pizzetti T, Leoncini M, Maioli M, Tedeschi D, Oliviero C, Bellandi F, Toso A, Tanini L, Pizzetti T, Leoncini M, Maioli M, Tedeschi D, Casprini P, Bellandi F, Toso A, Tanini L, Pizzetti T, Leoncini M, Maioli M, Tedeschi D, Amato M, Bellandi F, Molins B, Pena E, Badimon L, Ferreiro Gutierrez J, Ueno M, Alissa R, Dharmashankar K, Capodanno D, Desai B, Bass T, Angiolillo D, Chabielska E, Gromotowicz A, Szemraj J, Stankiewicz A, Zakrzeska A, Mohammed S, Molla F, Soldo A, Russo I, Germano G, Balconi G, Staszewsky L, Latini R, Lynch F, Austin C, Prendergast B, Keenan D, Malik R, Izzard A, Heagerty A, Czikora A, Lizanecz E, Rutkai I, Boczan J, Porszasz R, Papp Z, Edes I, Toth A, Colantuoni A, Vagnani S, Lapi D, Maroz-Vadalazhskaya N, Koslov I, Shumavetz V, Glibovskaya T, Ostrovskiy Y, Koutsiaris A, Tachmitzi S, Kotoula M, Giannoukas A, Tsironi E, Rutkai I, Czikora A, Darago A, Orosz P, Megyesi Z, Edes I, Papp Z, Toth A, Eichhorn B, Schudeja S, Matschke K, Deussen A, Ravens U, Castro M, Cena J, Walsh M, Schulz R, Poddar K, Rha S, Ramasamy S, Park J, Choi C, Seo H, Park C, Oh D, Lebreiro A, Martins E, Almeida J, Pimenta S, Bernardes J, Machado J, Abreu-Lima C, Sabatasso S, Laissue J, Hlushchuk R, Brauer-Krisch E, Bravin A, Blattmann H, Michaud K, Djonov V, Hirschberg K, Tarcea V, Pali S, Korkmaz S, Loganathan S, Merkely B, Karck M, Szabo G, Pagliani L, Faggin E, Rattazzi M, Puato M, Presta M, Grego F, Deriu G, Pauletto P, Kaiser R, Albrecht K, Schgoer W, Theurl M, Beer A, Wiedemann D, Steger C, Bonaros N, Kirchmair R, Kharlamov A, Cabaravdic M, Breuss J, Uhrin P, Binder B, Fiordaliso F, Balconi G, Mohammed S, Maggioni M, Biondi A, Masson S, Cervo L, Latini R, Francke A, Herold J, Soenke W, Strasser R, Braun-Dullaeus R, Hecht N, Vajkoczy P, Woitzik J, Hackbusch D, Gatzke N, Duelsner A, Tsuprykov O, Slavic S, Buschmann I, Kappert K, Massaro M, Scoditti E, Carluccio M, Storelli C, Distante A, De Caterina R, Barandi L, Harmati G, Simko J, Horvath B, Szentandrassy N, Banyasz T, Magyar J, Nanasi P, Kaya A, Uzunhasan I, Yildiz A, Yigit Z, Turkoglu C, Doisne N, Zannad N, Hivert B, Cosnay P, Maupoil V, Findlay I, Virag L, Kristof A, Koncz I, Szel T, Jost N, Biliczki P, Papp J, Varro A, Bukowska A, Skopp K, Hammwoehner M, Huth C, Bode-Boeger S, Goette A, Workman A, Dempster J, Marshall G, Rankin A, Revnic C, Ginghina C, Revnic F, Yakushev S, Petrushanko I, Makhro A, Segato Komniski M, Mitkevich V, Makarov A, Gassmann M, Bogdanova A, Rutkovskiy A, Mariero L, Stenslokken K, Valen G, Vaage J, Dizayee S, Kaestner S, Kuck F, Piekorz R, Hein P, Matthes J, Nurnberg B, Herzig S, Hertel F, Switalski A, Bender K, Kienitz MC, Pott L, Fornai L, Angelini A, Erika Amstalden Van Hove E, Fedrigo M, Thiene G, Heeren R, Kruse M, Pongs O, Lehmann H, Martens-Lobenhoffer J, Hammwoehner M, Roehl F, Bukowska A, Bode-Boeger S, Goette A, Radicke S, Cotella C, Sblattero D, Schaefer M, Ravens U, Wettwer E, Santoro C, Seyler C, Kulzer M, Zitron E, Scholz E, Welke F, Thomas D, Karle C, Schmidt K, Radicke S, Dobrev D, Ravens U, Wettwer E, Houshmand N, Menesi D, Ravens U, Wettwer E, Cotella D, Papp J, Varro A, Szuts V, Szuts V, Houshmand N, Puskas L, Jost N, Virag L, Kiss I, Deak F, Varro A, Tereshchenko S, Gladyshev M, Kalachova G, Syshchik N, Gogolashvili N, Dedok E, Evert L, Wenzel J, Brandenburger M, Bogdan R, Richardt D, Reppel M, Hescheler J, Dendorfer A, Terlau H, Wiegerinck R, Galvez-Monton C, Jorge E, Martinez R, Ricart E, Cinca J, Bagavananthem Andavan G, Lemmens Gruber R, Brack K, Coote J, Ng G, Daimi H, Haj Khelil A, Neji A, Ben Hamda K, Maaoui S, Aranega A, Chibani J, Franco Jaime D, Tanko AS, Brack K, Coote J, Ng G, Doisne N, Hivert B, Cosnay P, Findlay I, Maupoil V, Daniel JM, Bielenberg W, Stieger P, Tillmanns H, Sedding D, Fortini C, Toffoletto B, Fucili A, Beltrami A, Fiorelli V, Francolini G, Ferrari R, Beltrami C, Castellani C, Ravara B, Tavano R, Thiene G, Vettor R, De Coppi P, Papini E, Angelini A, Molla F, Soldo A, Biondi A, Staszewsky L, Russo I, Gunetti M, Fagioli F, Latini R, Suffredini S, Sartiani L, Stillitano F, Mugelli A, Cerbai E, Krausgrill B, Halbach M, Soemantri S, Schenk K, Lange N, Hescheler J, Saric T, Muller-Ehmsen J, Kavanagh D, Zhao Y, Yemm A, Kalia N, Wright E, Farrell K, Wallrapp C, Geigle P, Lewis A, Stratford P, Malik N, Holt C, Krausgrill B, Raths M, Halbach M, Schenk K, Hescheler J, Muller-Ehmsen J, Zagallo M, Luni C, Serena E, Cimetta E, Zatti S, Giobbe G, Elvassore N, Serena E, Cimetta E, Zaglia T, Zatti S, Zambon A, Gordon K, Elvassore N, Mioulane M, Foldes G, Ali N, Harding S, Gorbe A, Szunyog A, Varga Z, Pirity M, Rungaruniert S, Dinnyes A, Csont T, Ferdinandy P, Foldes G, Mioulane M, Iqbal A, Schneider MD, Ali N, Harding S, Babes E, Babes V, Khodjaeva E, Ibadov R, Khalikulov K, Mansurov A, Astvatsatryan A, Senan M, Astvatsatryan A, Senan M, Nemeth A, Lenkey Z, Ajtay Z, Cziraki A, Sulyok E, Horvath I, Lobenhoffer J, Bode-Boger S, Li J, He Y, Yang X, Wang F, Xu H, Li X, Zhao X, Lin Y, Juszynski M, Ciszek B, Jablonska A, Stachurska E, Ratajska A, Atkinson A, Inada S, Li J, Sleiman R, Zhang H, Boyett M, Dobrzynski H, Fedorenko O, Hao G, Atkinson A, Yanni J, Buckley D, Anderson R, Boyett M, Dobrzynski H, Ma Y, Ma X, Hu Y, Yang Y, Huang D, Liu F, Huang Y, Liu C, Jedrzejczyk T, Balwicki L, Wierucki L, Zdrojewski T, Makhro A, Agarkova I, Vogel J, Gassmann M, Bogdanova A, Korybalska K, Pyda M, Witowski J, Ibatov A, Sozmen N, Seymen A, Tuncay E, Turan B, Huang Y, Ma Y, Yang Y, Liu F, Chen B, Li X, Houston-Feenstra L, Chiong JR, Jutzy K, Furundzija V, Kaufmann J, Kappert K, Meyborg H, Fleck E, Stawowy P, Ksiezycka-Majczynska E, Lubiszewska B, Kruk M, Kurjata P, Ruzyllo W, Ibatov A, Driesen R, Coenen T, Fagard R, Sipido K, Petrov V, Aksentijevic D, Lygate C, Makinen K, Sebag-Montefiore L, Medway D, Schneider J, Neubauer S, Gasser R, Holzwart E, Rainer P, Von Lewinski D, Maechler H, Gasser S, Roessl U, Pieske B, Krueger J, Kintscher U, Kappert K, Podramagi T, Paju K, Piirsoo A, Roosimaa M, Kadaja L, Orlova E, Ruusalepp A, Seppet E, Auquier J, Ginion A, Hue L, Horman S, Beauloye C, Vanoverschelde J, Bertrand L, Fekete V, Zvara A, Pipis J, Konya C, Csonka C, Puskas L, Csont T, Ferdinandy P, Gasser S, Rainer P, Holzwart E, Roessl U, Kraigher-Krainer E, Von Lewinksi D, Pieske B, Gasser R, Gonzalez-Loyola A, Barba I, Rodriguez-Sinovas A, Fernandez-Sanz C, Agullo E, Ruiz-Meana M, Garcia-Dorado D, Forteza M, Bodi Peris V, Monleon D, Mainar L, Morales J, Moratal D, Trapero I, Chorro F, Leszek P, Sochanowicz B, Szperl M, Kolsut P, Piotrowski W, Rywik T, Danko B, Kruszewski M, Stanley W, Khairallah R, Khanna N, O'shea K, Kristian T, Hecker P, Des Rosiers R, Fiskum G, Fernandez-Alfonso M, Guzman-Ruiz R, Somoza B, Gil-Ortega M, Attane C, Castan-Laurell I, Valet P, Ruiz-Gayo M, Maroz-Vadalazhskaya N, Denissevich T, Shumavetz V, Ostrovskiy Y, Schrepper A, Schwarzer M, Amorim P, Schoepe M, Mohr F, Doenst T, Chiellini G, Ghelardoni S, Saba A, Marchini M, Frascarelli S, Raffaelli A, Scanlan T, Zucchi R, Van Den Akker N, Molin D, Kolk F, Jeukens F, Olde Engberink R, Waltenberger J, Post M, Van Den Akker N, Molin D, Verbruggen S, Schulten H, Post M, Waltenberger J, Rochais F, Kelly R, Aberg M, Johnell M, Wickstrom M, Siegbahn A, Dimitrakis P, Groppalli V, Ott D, Seifriz F, Suter T, Zuppinger C, Kashcheyeu Y, Mueller R, Wiesen M, Saric T, Gruendemann D, Hescheler J, Herzig S, Falcao-Pires I, Fontes-Sousa A, Lopes-Conceicao L, Bras-Silva C, Leite-Moreira A, Bukauskas F, Palacios-Prado N, Norheim F, Raastad T, Thiede B, Drevon C, Haugen F, Lindner D, Westermann D, Zietsch C, Schultheiss HP, Tschoepe C, Horn M, Graham H, Hall M, Richards M, Clarke J, Dibb K, Trafford A, Cheng CF, Lin H, Eigeldiger-Berthou S, Buntschu P, Frobert A, Flueck M, Tevaearai H, Kadner A, Mikhailov A, Torrado M, Centeno A, Lopez E, Lourido L, Castro Beiras A, Popov T, Srdanovic I, Petrovic M, Canji T, Kovacevic M, Jovelic A, Sladojevic M, Panic G, Kararigas G, Fliegner D, Regitz-Zagrosek V, De La Rosa Sanchez A, Dominguez J, Sedmera D, Franco D, Aranega A, Medunjanin S, Burgbacher F, Schmeisser A, Strasser R, Braun-Dullaeus R, Li X, Ma Y, Yang Y, Liu F, Han W, Chen B, Zhang J, Gao X, Bayliss C, Song W, Stuckey D, Dyer E, Leung MC, Monserrat L, Marston S, Sorriento D, Santulli G, Fusco A, Trimarco B, Iaccarino G, Revnic C, Ginghina C, Revnic F, Paillard M, Liang J, Strub G, Gomez L, Hait N, Allegood J, Lesnefsky E, Spiegel S, Zuchi C, Coiro S, Bettini M, Ciliberti G, Mancini I, Tritto I, Becker L, Ambrosio G, Adam T, Sharp S, Opie L, Lecour S, Khaliulin I, Parker J, Halestrap A, Kandasamy A, Schulz R, Schoepe M, Schwarzer M, Schrepper A, Osterholt M, Amorim P, Mohr F, Doenst T, Fernandez-Sanz C, Ruiz-Meana M, Miro-Casas E, Agullo E, Boengler K, Schulz R, Garcia-Dorado D, Menazza S, Canton M, Sheeran F, Di Lisa F, Pepe S, Borchi E, Manni M, Bargelli V, Giordano C, D'amati G, Cerbai E, Nediani C, Raimondi L, Micova P, Balkova P, Kolar F, Neckar J, Novak F, Novakova O, Schuchardt M, Toelle M, Pruefer N, Pruefer J, Jankowski V, Jankowski J, Van Der Giet M, Han W, Su Y, Zervou S, Aksentijevic D, Lygate C, Neubauer S, Seidel B, Korkmaz S, Radovits T, Hirschberg K, Loganathan S, Barnucz E, Karck M, Szabo G, Aggeli I, Kefaloyianni E, Beis I, Gaitanaki C, Lacerda L, Somers S, Opie L, Lecour S, Brack K, Coote J, Ng G, Paur H, Nikolaev V, Lyon A, Harding S, Bras-Silva C. Sunday, 18 July 2010. Cardiovasc Res 2010. [DOI: 10.1093/cvr/cvq176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Martins RA, Cunha MR, Neves AP, Martins M, Teixeira-Veríssimo M, Teixeira AM. Effects of aerobic conditioning on salivary IgA and plasma IgA, IgG and IgM in older men and women. Int J Sports Med 2010; 30:906-12. [PMID: 19941250 DOI: 10.1055/s-0029-1237389] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
As people age, they experience a decline in immune responses. Unusually heavy acute or chronic exercise could increase the risk of upper respiratory tract infection (URTI) whereas regular moderate physical activity may reduce URTI symptomatology. The purpose of the present study was to determine whether an aerobic exercise program would promote chronic adaptations in plasma IgA, IgG and IgM, and salivary IgA (Sal-IgA) in both elderly women and men. Forty-three independently living men and women, aged between 65 and 96 years, were randomly assigned to an aerobic exercising or a control group. Each participant underwent three evaluations (pre, post at 16 weeks and follow-up at 32 weeks). The aerobic exercise group increased resting plasma IgA concentration from 1.08 g. L (-1)+/-0.50 g. L (-1) to 2.29 g. L (-1)+/-0.93 g. L (-1), whereas salivary IgA concentration was unchanged. The control group maintained the plasma IgA values but experienced a decrease in Sal-IgA. The IgG and IgM plasma concentrations increased in both groups, however, only the exercise group maintained higher values in the final follow-up evaluation. Regular aerobic exercise may be effective in promoting IgA immunity and protecting against the deterioration in Sal-IgA values observed in the control group. No gender differences in the immunoglobulin responses to aerobic training were observed.
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Burin MG, Ribeiro E, Mari JD, Schwartz IVD, Martins M, Giugliani R. Prenatal diagnosis of mucopolysaccharidosis VI by enzyme assay in a dried spot of fetal blood: a pioneering case report. Prenat Diagn 2009; 30:89-90. [PMID: 19960448 DOI: 10.1002/pd.2416] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Martins M, Barros R, Faleiro M, Matos A, Costa M. Characterization of a bacterial consortium with potential for bioremediation of effluents. N Biotechnol 2009. [DOI: 10.1016/j.nbt.2009.06.378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Gebauer RA, Janousek J, Tomek V, Kubus P, Razek V, Gebauer R, Matejka T, Kostelka M, Silvetti MS, Russo MS, Drago F, Dionisio MT, Almeida S, Teixeira AM, Anjos R, Martins M, Cavaco D, Adragao P, Vasichkina ES, Gordeev OL, Egorov DF, Kruchina TK, Adrianov AV, Egorova A, Lopez Zea M, Centella T, Lamas MJ, Sanchez I, Gomez R, Raga T, Vazquez JL, Perez Leon J, Lopez Zea M, Centella T, Lamas MJ, Gomez R, Sanchez I, Garrido-Lestache E, Perez Caballero C, Perez Leon J. Abstracts: Device therapy in paediatric group. Europace 2009. [DOI: 10.1093/europace/euq236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Martins M, Viveiros M, Couto I, Amaral L. Targeting human macrophages for enhanced killing of intracellular XDR-TB and MDR-TB. Int J Tuberc Lung Dis 2009; 13:569-573. [PMID: 19383188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023] Open
Abstract
Although many compounds have been described to inhibit the replication of drug-susceptible and drug-resistant strains of Mycobacterium tuberculosis, most of these studies only evaluate their in vitro activity. There is a lack of studies that show whether any of these agents can kill these organisms at the site where they normally reside post infection, namely, the macrophage of the lung parenchyma. It is the aim of this mini-review to identify agents that have been shown to enhance the killing of intracellular drug-susceptible, multidrug-resistant tuberculosis (MDR-TB) and extensively drug-resistant TB (XDR-TB) strains by non-killing macrophages. Because these agents appear to promote their activity by affecting the transport of K(+) and Ca(2+) from the phagolysosome containing the bacteria, and thereby promoting its acidification and activation of hydrolases that will eventually kill the organism, the authors suggest that compounds that are known to affect the transport of K(+) and Ca(2+) should be considered for possible activity against intracellular MDR- and XDR-TB.
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Costa MC, Santos ES, Barros RJ, Pires C, Martins M. Wine wastes as carbon source for biological treatment of acid mine drainage. CHEMOSPHERE 2009; 75:831-836. [PMID: 19201010 DOI: 10.1016/j.chemosphere.2008.12.062] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2008] [Revised: 12/27/2008] [Accepted: 12/29/2008] [Indexed: 05/27/2023]
Abstract
Possible use of wine wastes containing ethanol as carbon and energy source for sulphate-reducing bacteria (SRB) growth and activity in the treatment of acid mine drainage (AMD) is studied for the first time. The experiments were performed using anaerobic down-flow packed bed reactors in semi-continuous systems. The performance of two bioreactors fed with wine wastes or ethanol as carbon sources is compared in terms of sulphate reduction, metals removal and neutralization. The results show that efficient neutralization and high sulphate removal (>90%) were attained with the use of wine wastes as substrate allowing the production of effluents with concentrations below the required local legislation for irrigation waters. This is only possible provided that the AMD and wine wastes are contacted with calcite tailing, a waste material that neutralizes and provides buffer capacity to the medium. The removal of metals using wine wastes as carbon source was 61-91% for Fe and 97% for both Zn and Cu. The lower removal of iron, when wine waste is used instead of ethanol, may be due to the presence of iron-chelating compounds in the waste, which prevent the formation of iron sulphide, and partial unavailability of sulphide because of re-oxidation to elemental sulphur. However, that did not affect significantly the quality of the effluent for irrigation. This work demonstrates that wine wastes are a potential alternative to traditional SRB substrates. This finding has direct implication to sustainable operation of SRB bioreactors for AMD treatment.
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139
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Richter M, Amusia MY, Bobashev SV, Feigl T, Juranić PN, Martins M, Sorokin AA, Tiedtke K. Extreme ultraviolet laser excites atomic giant resonance. PHYSICAL REVIEW LETTERS 2009; 102:163002. [PMID: 19518707 DOI: 10.1103/physrevlett.102.163002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2009] [Indexed: 05/27/2023]
Abstract
Exceptional behavior of light-matter interaction in the extreme ultraviolet is demonstrated. The photoionization of different rare gases was compared at the free-electron laser in Hamburg, FLASH, by applying ion spectroscopy at the wavelength of 13.7 nm and irradiance levels of thousands of terawatts per square centimeter. In the case of xenon, the degree of nonlinear photoionization was found to be significantly higher than for neon, argon, and krypton. This target specific behavior cannot be explained by the standard theories developed for optical strong-field phenomena. We suspect that the collective giant 4d resonance of xenon is the driving force behind the effect that arises in this spectral range.
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140
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Senz V, Fischer T, Oelssner P, Tiggesbäumker J, Stanzel J, Bostedt C, Thomas H, Schöffler M, Foucar L, Martins M, Neville J, Neeb M, Möller T, Wurth W, Rühl E, Dörner R, Schmidt-Böcking H, Eberhardt W, Ganteför G, Treusch R, Radcliffe P, Meiwes-Broer KH. Core-hole screening as a probe for a metal-to-nonmetal transition in lead clusters. PHYSICAL REVIEW LETTERS 2009; 102:138303. [PMID: 19392409 DOI: 10.1103/physrevlett.102.138303] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2008] [Indexed: 05/27/2023]
Abstract
Metal clusters serve as model systems to study basic problems of electronic correlation. Vacuum ultraviolet light from the free-electron laser FLASH ionizes 5d electrons from mass-separated negatively charged clusters, thus transiently leading to core-ionized neutral systems. Shielding of the core hole affects the electron binding energy. From the strong deviation from expectations of the metallic droplet and jellium models we conclude on reduced electronic shielding once the cluster size falls below about 20 atoms. This suggests a metal-to-nonmetal transition, in agreement with previous local density approximation calculations.
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141
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Mancuso AP, Schropp A, Reime B, Stadler LM, Singer A, Gulden J, Streit-Nierobisch S, Gutt C, Grübel G, Feldhaus J, Staier F, Barth R, Rosenhahn A, Grunze M, Nisius T, Wilhein T, Stickler D, Stillrich H, Frömter R, Oepen HP, Martins M, Pfau B, Günther CM, Könnecke R, Eisebitt S, Faatz B, Guerassimova N, Honkavaara K, Kocharyan V, Treusch R, Saldin E, Schreiber S, Schneidmiller EA, Yurkov MV, Weckert E, Vartanyants IA. Coherent-pulse 2D crystallography using a free-electron laser x-ray source. PHYSICAL REVIEW LETTERS 2009; 102:035502. [PMID: 19257367 DOI: 10.1103/physrevlett.102.035502] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2008] [Indexed: 05/27/2023]
Abstract
Coherent diffractive imaging for the reconstruction of a two-dimensional (2D) finite crystal structure with a single pulse train of free-electron laser radiation at 7.97 nm wavelength is demonstrated. This measurement shows an advance on traditional coherent imaging techniques by applying it to a periodic structure. It is also significant that this approach paves the way for the imaging of the class of specimens which readily form 2D, but not three-dimensional crystals. We show that the structure is reconstructed to the detected resolution, given an adequate signal-to-noise ratio.
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142
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Teixeira P, Martins M. Sexual Dysfunction in Alcohoolism. Eur Psychiatry 2009. [DOI: 10.1016/s0924-9338(09)70697-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The prevalence of sexual dysfunction in alcoholism is frequent and fluctuates between 3.2% and 64.4%, according different studies. The aim of this research is to study sexual dysfunction frequency in a sample of alcoholic patients who were undergoing treatment for this illness.The study consists of an a questionnaire on sexual behaviour, with a sample of 80 individuals, 60 men and 20 women.The authors conclude about the sexual dysfunction in different groups of alcoholic patients, in treatment in an inpatient and follow-up setting.
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143
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Britta LC, Martins M, França FMG. Influence of Different Primer Application Times On Bond Strength of Self-etching Adhesive Systems to Unground Enamel. Oper Dent 2009; 34:43-50. [DOI: 10.2341/08-35] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Clinical Relevance
An increase in application time of acid primer does not improve the bonding of self-etching adhesive systems to unground enamel.
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144
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Mishra US, Chakraborty P, Dasgupta A, Dastidar SG, Martins M, Amaral L. Potent bactericidal action of a flavonoid fraction isolated from the stem bark of Butea frondosa. In Vivo 2009; 23:29-32. [PMID: 19368121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The flavonoid fraction isolated from the ethyl acetate fraction (BF-1) of Butea frondosa (L.) stem bark exhibited distinct antimicrobial activity when tested against 129 bacterial strains belonging to 9 different genera of both gram-positive and gram-negative types. Minimum inhibitory concentration (MIC) of the fraction BF-1 was determined following NCCLS guidelines using the agar dilution method. Twenty-four out of 36 strains of Staphylococcus aureus were inhibited by 50-200 mg/l of the fraction. This fraction also inhibited strains of Bacillus spp., Shigella spp., Salmonella spp. and even a few Pseudomonas at concentrations between 50-200 mg/l. Other bacteria including Escherichia coli, Vibrio cholerae and V. parahaemolyticus were moderately sensitive to BF-1. In the in vivo studies, this fraction offered significant protection to Swiss albino mice at a concentration of 80 microg/mouse (p<0.001) when they were challenged with 50 median lethal dose of Salmonella enteritidis NCTC 74. A fraction named BF-1 that was isolated from an ethyl acetate fraction of Butea frondosa provided protection against an infection from a Salmonella enteritidis NCTC strain.
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Morris-Rosendahl DJ, Najm J, Lachmeijer AMA, Sztriha L, Martins M, Kuechler A, Haug V, Zeschnigk C, Martin P, Santos M, Vasconcelos C, Omran H, Kraus U, Van der Knaap MS, Schuierer G, Kutsche K, Uyanik G. Refining the phenotype of alpha-1a Tubulin (TUBA1A) mutation in patients with classical lissencephaly. Clin Genet 2008; 74:425-33. [PMID: 18954413 DOI: 10.1111/j.1399-0004.2008.01093.x] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Mutations in the alpha-1a Tubulin (TUBA1A) gene have recently been found to cause cortical malformations resemblant of classical lissencephaly but with a specific combination of features. To date, TUBA1A mutations have been described in five patients and three foetuses. Our aims were to establish how common TUBA1A mutations are in patients with lissencephaly and to contribute to defining the phenotype associated with TUBA1A mutation. We performed mutation analysis in the TUBA1A gene in 46 patients with classical lissencephaly. In 44 of the patients, mutations in the LIS1 and/or DCX genes had previously been excluded; in 2 patients, mutation analysis was only performed in TUBA1A based on magnetic resonance imaging (MRI) findings. We identified three new mutations and one recurrent mutation in five patients with variable patterns of lissencephaly on brain MRI. Four of the five patients had congenital microcephaly, and all had dysgenesis of the corpus callosum and cerebellar hypoplasia, and variable cortical malformations, including subtle subcortical band heterotopia and absence or hypoplasia of the anterior limb of the internal capsule. We estimate the frequency of mutation in TUBA1A gene in patients with classical lissencephaly to be approximately 4%, and although not as common as mutations in the LIS1 or DCX genes, mutation analysis in TUBA1A should be included in the molecular genetic diagnosis of classical lissencephaly, particularly in patients with the combination of features highlighted in this paper.
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Amaral L, Martins M, Viveiros M, Molnar J, Kristiansen JE. Promising therapy of XDR-TB/MDR-TB with thioridazine an inhibitor of bacterial efflux pumps. Curr Drug Targets 2008; 9:816-9. [PMID: 18781927 DOI: 10.2174/138945008785747798] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Global rates of pulmonary tuberculosis (TB) continue to increase. Moreover, resistance of the causative organism Mycobacterium tuberculosis to the two most effective anti-TB medications continue to rise. Now, multi-drug resistant TB (MDR-TB) has progressed to extensively drug resistant TB (XDR-TB) - a M. tuberculosis organism that is resistant to the most effective second line drugs available for the treatment of TB. This review provides detailed, significant evidence that supports the use of an old neuroleptic compound, thioridazine (TZ), for the management of MDR-TB and XDR-TB infections and which has been shown to inhibit efflux pumps of bacteria. The argument has been previously presented but no one seems to be listening - and the disease continues unabated when there is a very good probability that the suggested drug will prove to be effective. When the prognosis is poor, available therapy predictably ineffective and death is inevitable, compassionate therapy with TZ should be contemplated. The risks are small and the rewards great.
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Benedetti B, Gómez P, Martins M, Conesa A, Artés F. Effect of Pre-processing Controlled Atmosphere Storage on the Quality of Fresh-cut Galia Melons. FOOD SCI TECHNOL INT 2008. [DOI: 10.1177/1082013208095687] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The effects of controlled atmosphere (CA) storage of whole Galia melon on its physical, chemical, and sensory quality after minimal processing were evaluated. High quality fruits washed with 200 mg/L NaClO water solution were stored at 8 °C and 95% RH under CA of 4 kPa O2 + 15 kPa CO2 (T1), 4 kPa O 2 + 10 kPa CO2 (T2) and 21 kPa O2 + 0 kPa CO 2 (T3, air as control). Melons were removed from CA after 10 and 28 days, kept in air at 5 °C for 24 h and then minimally processed in a disinfected cold room at 5 °C. Trapezoidal sections were washed with 100 mg/L NaClO, rinsed and drained. Melon pieces were placed in polypropylene (PP) trays which were heat sealed with an oriented PP film of 35 μm thickness and stored at 5 °C. After 9 days the atmosphere within packages was dependent of pre-storage time, but very similar for the three pre-storage CA treatments: around 2 kPa O2 + 21 kPa CO2 for those stored 10 days and 3 kPa O2 + 31 kPa CO2 for those stored during 28 days. Overall quality of minimally processed Galia melon was affected by pre-processing conditions. Trapezoidal sections obtained from melons previously stored during 28 days at 8 °C under 4 kPa O2 + 15 kPa CO 2 and MAP stored for 7 days at 5 °C showed the highest firmness and the best sensory quality. However, for all the cases, microbial counts were over the legal limits. Alternative disinfection procedures should be developed to guarantee safety of the product.
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Li G, Berkhout WER, Sanderink GCH, Martins M, van der Stelt PF. Detection ofin vitroproximal caries in storage phosphor plate radiographs scanned with different resolutions. Dentomaxillofac Radiol 2008; 37:325-9. [DOI: 10.1259/dmfr/62591340] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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149
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Viveiros M, Martins M, Couto I, Rodrigues L, Spengler G, Martins A, Kristiansen J, Molnar J, Amaral L. New Methods for the Identification of Efflux Mediated MDR Bacteria, Genetic Assessment of Regulators and Efflux Pump Constituents, Characterization of Efflux Systems and Screening for Inhibitors of Efflux Pumps. Curr Drug Targets 2008; 9:760-78. [DOI: 10.2174/138945008785747734] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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150
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Araújo MS, Martins M. The defensive strike of five species of lanceheads of the genus Bothrops (Viperidae). BRAZ J BIOL 2008; 67:327-32. [PMID: 17876444 DOI: 10.1590/s1519-69842007000200019] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2005] [Accepted: 06/14/2005] [Indexed: 11/22/2022] Open
Abstract
We studied the defensive strike of one species of each of five recognized lineages within the genus Bothrops, namely, B. alternatus, B. jararaca, B. jararacussu, B. moojeni and B. pauloensis. The defensive strike of the studied species was in general similar to that of Crotalus viridis and C. atrox, but some important differences were observed. Bothrops alternatus and B. pauloensis struck preferentially from a tight body posture, whereas B. jararaca and B. moojeni from a loose body posture. Defensive strikes were either true or false (during the latter, the mouth remains closed or partially open). Almost all strikes were successful; only on a few occasions snakes missed their target (flawed strikes). Strike variables were very conservative among the five species, especially strike distance and height, and one possible explanation may be related to constraints imposed on strike variables as a way of increasing strike accuracy.
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