1
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Estella Á, Vidal-Cortés P, Rodríguez A, Andaluz Ojeda D, Martín-Loeches I, Díaz E, Suberviola B, Gracia Arnillas MP, Catalán González M, Álvarez-Lerma F, Ramírez P, Nuvials X, Borges M, Zaragoza R. [Management of infectious complications associated with coronavirus infection in severe patients admitted to ICU]. Med Intensiva 2021; 45:485-500. [PMID: 33994616 PMCID: PMC8086823 DOI: 10.1016/j.medin.2021.04.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/13/2021] [Accepted: 04/17/2021] [Indexed: 12/29/2022]
Abstract
Infections have become one of the main complications of patients with severe SARS-CoV-2 pneumonia admitted in ICU. Poor immune status, frequent development of organic failure requiring invasive supportive treatments, and prolonged ICU length of stay in saturated structural areas of patients are risk factors for infection development. The Working Group on Infectious Diseases and Sepsis GTEIS of the Spanish Society of Intensive Medicine and Coronary Units SEMICYUC emphasizes the importance of infection prevention measures related to health care, the detection and early treatment of major infections in the patient with SARS-CoV-2 infections. Bacterial co-infection, respiratory infections related to mechanical ventilation, catheter-related bacteremia, device-associated urinary tract infection and opportunistic infections are review in the document.
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Affiliation(s)
- Á Estella
- Servicio de Medicina Intensiva, Hospital Universitario de Jerez, Departamento de Medicina, Facultad de Medicina de Cádiz, Jerez de la Frontera, Cádiz, España
| | - P Vidal-Cortés
- Servicio de Medicina Intensiva, Complexo Hospitalario Universitario de Ourense, Ourense, España
| | - A Rodríguez
- Servicio de Medicina Intensiva, Hospital Universitario Joan XXIII de Tarragona, Tarragona, España
| | - D Andaluz Ojeda
- Servicio de Medicina Intensiva, Hospital Universitario de Sanchinarro de Madrid, Madrid, España
| | - I Martín-Loeches
- PhD JFICMI Consultant in Intensive Care Medicine, CLOD Dublin Midlands group, St James's University Hospital, Trinity Centre for Health Sciences, HRB-Welcome Trust St James's Hospital, Dublín, EIRE, Universidad de Barcelona, Barcelona, España
| | - E Díaz
- Servicio de Medicina Intensiva, Hospital Parc Tauli, Sabadell, España
| | - B Suberviola
- Servicio de Medicina Intensiva, Hospital Universitario Marqués de Valdecilla. Santander, España
| | - M P Gracia Arnillas
- Servicio de Medicina Intensiva, Hospital Universitario del Mar, Barcelona, España
| | - M Catalán González
- Servicio de Medicina Intensiva, Hospital Universitario 12 de Octubre, Madrid, España
| | - F Álvarez-Lerma
- Servicio de Medicina Intensiva, Parc de Salut Mar, Hospital del Mar, Barcelona, España
| | - P Ramírez
- Servicio de Medicina Intensiva, Hospital La Fe de Valencia, Valencia, España
| | - X Nuvials
- Servicio de Medicina Intensiva, Hospital Vall d'Hebrón, Barcelona, España
| | - M Borges
- Unidad Multidisciplinar de Sepsis, Servicio de Medicina Intensiva, Hospital Universitario Son Llatzer, IDISBA, Enfermedades Infecciosas UIB, Palma de Mallorca, Área de Sepsis e Infecciosas, Federación Ibérica y Panamericana de Medicina Intensiva (FEPIMCTI), Palma de Mallorca, España
| | - R Zaragoza
- Servicio de Medicina Intensiva, Hospital Universitario Dr. Peset, Valencia, España
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2
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Estella Á, Vidal-Cortés P, Rodríguez A, Andaluz Ojeda D, Martín-Loeches I, Díaz E, Suberviola B, Gracia Arnillas MP, Catalán González M, Álvarez-Lerma F, Ramírez P, Nuvials X, Borges M, Zaragoza R. Management of infectious complications associated with coronavirus infection in severe patients admitted to ICU. Med Intensiva 2021; 45:485-500. [PMID: 34475008 PMCID: PMC8382590 DOI: 10.1016/j.medine.2021.08.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 04/17/2021] [Indexed: 12/29/2022]
Abstract
Infections have become one of the main complications of patients with severe SARS-CoV-2 pneumonia admitted in ICU. Poor immune status, frequent development of organic failure requiring invasive supportive treatments, and prolonged ICU length of stay in saturated structural areas of patients are risk factors for infection development. The Working Group on Infectious Diseases and Sepsis GTEIS of the Spanish Society of Intensive Medicine and Coronary Units SEMICYUC emphasizes the importance of infection prevention measures related to health care, the detection and early treatment of major infections in the patient with SARS-CoV-2 infections. Bacterial co-infection, respiratory infections related to mechanical ventilation, catheter-related bacteremia, device-associated urinary tract infection and opportunistic infections are review in the document.
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Affiliation(s)
- Á Estella
- Servicio de Medicina Intensiva, Hospital Universitario de Jerez, Departamento de Medicina, Facultad de Medicina de Cádiz, Jerez de la Frontera, Cádiz, Spain.
| | - P Vidal-Cortés
- Servicio de Medicina Intensiva, Complexo Hospitalario Universitario de Ourense, Ourense, Spain
| | - A Rodríguez
- Servicio de Medicina Intensiva, Hospital Universitario Joan XXIII de Tarragona, Tarragona, Spain
| | - D Andaluz Ojeda
- Servicio de Medicina Intensiva, Hospital Universitario de Sanchinarro de Madrid, Madrid, Spain
| | - I Martín-Loeches
- PhD JFICMI Consultant in Intensive Care Medicine, CLOD Dublin Midlands Group, St James's University Hospital, Trinity Centre for Health Sciences, HRB-Welcome Trust St James's Hospital, Dublin, EIRE, Universidad de Barcelona, Barcelona, Spain
| | - E Díaz
- Servicio de Medicina Intensiva, Hospital Parc Tauli, Sabadell, Spain
| | - B Suberviola
- Servicio de Medicina Intensiva, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - M P Gracia Arnillas
- Servicio de Medicina Intensiva, Hospital Universitario del Mar, Barcelona, Spain
| | - M Catalán González
- Servicio de Medicina Intensiva, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - F Álvarez-Lerma
- Servicio de Medicina Intensiva, Parc de Salut Mar, Hospital del Mar, Barcelona, Spain
| | - P Ramírez
- Servicio de Medicina Intensiva, Hospital La Fe de Valencia, Valencia, Spain
| | - X Nuvials
- Servicio de Medicina Intensiva, Hospital Vall d'Hebrón, Barcelona, Spain
| | - M Borges
- Unidad Multidisciplinar de Sepsis, Servicio de Medicina Intensiva, Hospital Universitario Son Llatzer, IDISBA, Enfermedades Infecciosas UIB, Palma de Mallorca, Área de Sepsis e Infecciosas, Federación Ibérica y Panamericana de Medicina Intensiva (FEPIMCTI), Palma de Mallorca, Spain
| | - R Zaragoza
- Servicio de Medicina Intensiva, Hospital Universitario Dr. Peset, Valencia, Spain
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3
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Díaz E, Amézaga Menéndez R, Vidal Cortés P, Escapa MG, Suberviola B, Serrano Lázaro A, Marcos Neira P, Quintana Díaz M, Catalán González M. [Pharmacological treatment of COVID-19: Narrative review of the Working Group in Infectious Diseases and Sepsis (GTEIS) and the Working Groups in Transfusions and Blood Products (GTTH)]. Med Intensiva 2021; 45:104-121. [PMID: 38620757 PMCID: PMC7833076 DOI: 10.1016/j.medin.2020.06.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/12/2020] [Accepted: 06/21/2020] [Indexed: 01/08/2023]
Abstract
Infection by the SARS-CoV-2 virus, known as COVID-19 (COronaVIrus Disease-19) was initially detected in China in December 2019, and has subsequently spread rapidly throughout the world, to the point that on March 11 the World Health Organization (WHO) reported that the outbreak could be defined as a pandemic. COVID-19 disease ranges from mild flu-like episodes to other serious and even life-threatening conditions, mainly due to acute respiratory failure. These patients are frequently admitted to our Intensive Care Units in relation to acute respiratory distress syndrome. The lack of a treatment based on scientific evidence has led to the use of different management guidelines, in many cases with rapid changes in the applied protocols. Recent reviews in reputed journals have underscored the lack of proven therapies and the need for clinical trials to establish clear and objective treatment guidelines. The present study provides an update on the currently applied treatment, and intends to offer help in relation to daily care, without seeking to replace the protocols adopted in each individual center.
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Affiliation(s)
- E Díaz
- Área de Críticos, Corporación Sanitaria i Universitaria Parc Taulí, Univ. Autonoma de Barcelona, CIBER de Enfermedades Respiratorias, Sabadell, Barcelona, España
| | | | - P Vidal Cortés
- Complexo Hospitalario Universitario Ourense, Ourense, España
| | - M G Escapa
- Hospital Universitario de Burgos, Burgos, España
| | - B Suberviola
- Hospital Universitario Marqués de Valdecilla, Santander, España
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4
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Rascado Sedes P, Ballesteros Sanz MA, Bodí Saera MA, Carrasco Rodríguez-Rey LF, Castellanos Ortega A, Catalán González M, López CDH, Díaz Santos E, Escriba Barcena A, Frade Mera MJ, Igeño Cano JC, Martín Delgado MC, Martínez Estalella G, Raimondi N, Roca I Gas O, Rodríguez Oviedo A, Romero San Pío E, Trenado Álvarez J. [Contingency plan for the intensive care services for the COVID-19 pandemic]. Med Intensiva 2020; 44:363-370. [PMID: 32336551 PMCID: PMC7180014 DOI: 10.1016/j.medin.2020.03.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 03/23/2020] [Indexed: 12/17/2022]
Abstract
In January 2020, the Chinese authorities identified a new virus of the Coronaviridae family as the cause of several cases of pneumonia of unknown aetiology. The outbreak was initially confined to Wuhan City, but then spread outside Chinese borders. On 31 January 2020, the first case was declared in Spain. On 11 March 2020, The World Health Organization (WHO) declared the coronavirus outbreak a pandemic. On 16 March 2020, there were 139 countries affected. In this situation, the Scientific Societies SEMICYUC and SEEIUC have decided to draw up this Contingency Plan to guide the response of the Intensive Care Services. The objectives of this plan are to estimate the magnitude of the problem and identify the necessary human and material resources. This is to provide the Spanish Intensive Medicine Services with a tool to programme optimal response strategies.
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Affiliation(s)
- P Rascado Sedes
- Servicio de Medicina Intensiva, Complejo Hospitalario Universitario de Santiago de Compostela, Santiago de Compostela, A Coruña, España.
| | - M A Ballesteros Sanz
- Servicio de Medicina Intensiva, Hospital Universitario Marqués de Valdecilla, Santander, España
| | - M A Bodí Saera
- Servicio de Medicina Intensiva, Hospital Universitario de Tarragona JoanXXIII, Tarragona, España
| | | | - A Castellanos Ortega
- Área de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Universidad de Valencia, Valencia, España
| | - M Catalán González
- Servicio de Medicina Intensiva, Hospital Universitario 12de Octubre, Madrid, España
| | - C de Haro López
- Área de Críticos, Corporación Sanitaria i Universitaria Parc Taulí. CIBER de Enfermedades Respiratorias, Sabadell, Barcelona, España
| | - E Díaz Santos
- Área de Críticos, Corporación Sanitaria i Universitaria Parc Taulí. CIBER de Enfermedades Respiratorias, Sabadell, Barcelona, España
| | - A Escriba Barcena
- Servicio de Medicina Intensiva, Hospital Universitario de Fuenlabrada, Fuenlabrada, Madrid, España
| | - M J Frade Mera
- Servicio de Medicina Intensiva, Hospital Universitario 12de Octubre, Madrid, España
| | - J C Igeño Cano
- Servicio de Medicina Intensiva y Urgencias, Hospital San Juan de Dios de Córdoba, Córdoba, España
| | - M C Martín Delgado
- Servicio de Medicina Intensiva, Hospital de Torrejón, Torrejón de Ardoz, Madrid, España
| | | | - N Raimondi
- División de Terapia Intensiva, Hospital Juan A. Fernández, Buenos Aires, Argentina
| | - O Roca I Gas
- Servicio de Medicina Intensiva, Hospital Universitario Vall d'Hebron, Barcelona, España
| | - A Rodríguez Oviedo
- Servicio de Medicina Intensiva, Hospital Universitario de Tarragona JoanXXIII, Tarragona, España
| | | | - J Trenado Álvarez
- Servicio de Medicina Intensiva, Hospital Universitario Mútua Terrassa, Terrassa, Barcelona, España
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5
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Rascado Sedes P, Ballesteros Sanz M, Bodí Saera M, Carrasco Rodríguez-Rey L, Castellanos Ortega A, Catalán González M, de Haro López C, Díaz Santos E, Escriba Barcena A, Frade Mera M, Igeño Cano J, Martín Delgado M, Martínez Estalella G, Raimondi N, Roca i Gas O, Rodríguez Oviedo A, Romero San Pío E, Trenado Álvarez J. Contingency plan for the intensive care services for the COVID-19 pandemic. Medicina Intensiva (English Edition) 2020. [PMCID: PMC7335239 DOI: 10.1016/j.medine.2020.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
In January 2020, the Chinese authorities identified a new virus of the Coronaviridae family as the cause of several cases of pneumonia of unknown aetiology. The outbreak was initially confined to Wuhan City, but then spread outside Chinese borders. On 31 January 2020, the first case was declared in Spain. On 11 March 2020, The World Health Organization (WHO) declared the coronavirus outbreak a pandemic. On 16 March 2020, there were 139 countries affected. In this situation, the Scientific Societies SEMICYUC and SEEIUC, have decided to draw up this Contingency Plan to guide the response of the Intensive Care Services. The objectives of this plan are to estimate the magnitude of the problem and identify the necessary human and material resources. This is to provide the Spanish Intensive Medicine Services with a tool to programme optimal response strategies.
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Affiliation(s)
- P. Rascado Sedes
- Servicio de Medicina Intensiva, Complejo Hospitalario Universitario de Santiago de Compostela, Santiago de Compostela, A Coruña, Spain
- Corresponding author.
| | - M.A. Ballesteros Sanz
- Servicio de Medicina Intensiva, Hospital Universitario Marqués de Valdecilla, Santander, Spain
| | - M.A. Bodí Saera
- Servicio de Medicina Intensiva, Hospital Universitario de Tarragona Joan XXIII, Tarragona, Spain
| | | | - A. Castellanos Ortega
- Área de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Universidad de Valencia, Valencia, Spain
| | - M. Catalán González
- Servicio de Medicina Intensiva, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - C. de Haro López
- Área de Críticos, Corporación Sanitaria i Universitaria Parc Tauli, CIBER Enfermedades Respiratorias, Sabadell, Barcelona, Spain
| | - E. Díaz Santos
- Área de Críticos, Corporación Sanitaria i Universitaria Parc Tauli, CIBER Enfermedades Respiratorias, Sabadell, Barcelona, Spain
| | - A. Escriba Barcena
- Servicio de Medicina Intensiva, Hospital Universitario de Fuenlabrada, Fuenlabrada, Madrid, Spain
| | - M.J. Frade Mera
- Servicio de Medicina Intensiva, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - J.C. Igeño Cano
- Servicio de Medicina Intensiva y Urgencias, Hospital San Juan de Dios de Córdoba, Córdoba, Spain
| | - M.C. Martín Delgado
- Servicio de Medicina Intensiva, Hospital de Torrejón, Torrejón de Ardoz, Madrid, Spain
| | | | - N. Raimondi
- División de Terapia Intensiva, Hospital Juan A. Fernández, Buenos Aires, Argentina
| | - O. Roca i Gas
- Servicio de Medicina Intensiva, Hospital Universitario Vall d'Hebron, Barcelona, Spain
| | - A. Rodríguez Oviedo
- Servicio de Medicina Intensiva, Hospital Universitario de Tarragona Joan XXIII, Tarragona, Spain
| | | | - J. Trenado Álvarez
- Servicio de Medicina Intensiva, Hospital Universitario Mútua Terrassa, Terrassa, Barcelona, Spain
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6
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Rascado Sedes P, Ballesteros Sanz M, Bodí Saera M, Carrasco RodríguezRey L, Castellanos Ortega Á, Catalán González M, de Haro López C, Díaz Santos E, Escriba Barcena A, Frade Mera M, Igeño Cano J, Martín Delgado M, Martínez Estalella G, Raimondi N, Roca i Gas O, Rodríguez Oviedo A, Romero San Pío E, Trenado Álvarez J, Raurell M, Ferrer Roca R, Castellanos Ortega Á, Trenado Álvarez J, Tesorero VFG, Tejedor AH, Gutiérrez MH, Ramírez Galleymore P, Sanz MÁB, Sedes PR, de la Oliva Calvo LL, Delgado MCM, Torredá MR, Barrio Linares MD, García MR, García MTR, Hito MPD, Mondéjar JJR, Arroyo CM, Arribas ASJ, Mera MJF. Contingency Plan for the Intensive Care Services for the COVID-19 pandemic. Enfermería Intensiva (English ed ) 2020. [PMCID: PMC7221392 DOI: 10.1016/j.enfie.2020.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In January 2020, the Chinese authorities identified a new virus of the Coronaviridae family as the cause of several cases of pneumonia of unknown aetiology. The outbreak was initially confined to Wuhan City, but then spread outside Chinese borders. On 31 January 2020, the first case was declared in Spain. On 11 March 2020, The World Health Organisation (WHO) declared the coronavirus outbreak a pandemic. On 16 March 2020, there were 139 countries affected. In this situation, the Scientific Societies SEMICYUC and SEEIUC, have decided to draw up this Contingency Plan to guide the response of the intensive care services. The objectives of this plan are to estimate the magnitude of the problem and identify the necessary human and material resources. This is to provide the Spanish Intensive Medicine Services with a tool to programme optimal response strategies.
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7
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Sedes PR, Sanz MÁB, Saera MAB, RodríguezRey LFC, Ortega ÁC, González MC, López CDH, Santos ED, Barcena AE, Mera MJF, Cano JCI, Delgado MCM, Estalella GM, Raimondi N, Gas ORI, Oviedo AR, Pío ERS, Álvarez JT, Raurell M. Contingency Plan for the Intensive Care Services for the COVID-19 pandemic. Enferm Intensiva (Engl Ed) 2020; 31:82-89. [PMID: 32360022 PMCID: PMC7129638 DOI: 10.1016/j.enfi.2020.03.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 03/23/2020] [Indexed: 12/24/2022]
Abstract
In January 2020, the Chinese authorities identified a new virus of the Coronaviridae family as the cause of several cases of pneumonia of unknown aetiology. The outbreak was initially confined to Wuhan City, but then spread outside Chinese borders. On 31 January 2020, the first case was declared in Spain. On 11 March 2020, The World Health Organization (WHO) declared the coronavirus outbreak a pandemic. On 16 March 2020, there were 139 countries affected. In this situation, the Scientific Societies SEMICYUC and SEEIUC, have decided to draw up this Contingency Plan to guide the response of the Intensive Care Services. The objectives of this plan are to estimate the magnitude of the problem and identify the necessary human and material resources. This is to provide the Spanish Intensive Medicine Services with a tool to programme optimal response strategies.
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Affiliation(s)
- P Rascado Sedes
- Servicio de Medicina Intensiva. Complejo Hospitalario Universitario de Santiago de Compostela. Santiago de Compostela, A Coruña, España
| | - M Á Ballesteros Sanz
- Servicio de Medicina Intensiva. Hospital Universitario Marqués de Valdecilla, Santander, España
| | - M A Bodí Saera
- Servicio de Medicina Intensiva. Hospital Universitario de Tarragona Joan XXIII, Tarragona, España
| | | | - Á Castellanos Ortega
- Área de Medicina Intensiva, Profesor asociado de Medicina Universidad de Valencia. Hospital Universitario y Politécnico La Fe, Valencia, España
| | - M Catalán González
- Servicio de Medicina Intensiva. Hospital Universitario 12 de Octubre, Madrid, España
| | - C de Haro López
- Área de Críticos. Corporación Sanitaria i Universitaria Parc Tauli. CIBER Enfermedades Respiratorias, Sabadell, España
| | - E Díaz Santos
- Área de Críticos. Corporación Sanitaria i Universitaria Parc Tauli. CIBER Enfermedades Respiratorias, Sabadell, España
| | - A Escriba Barcena
- Servicio de Medicina Intensiva. Hospital Universitario Fuenlabrada, Madrid, España
| | - M J Frade Mera
- Servicio de Medicina Intensiva. Hospital Universitario 12 de Octubre, Madrid, España
| | - J C Igeño Cano
- Servicio de Medicina Intensiva y Urgencias. Hospital San Juan de Dios de Córdoba, España
| | - M C Martín Delgado
- Servicio de Medicina Intensiva. Hospital de Torrejón, Torrejón de Ardoz, Madrid, España
| | | | - N Raimondi
- División de Terapia Intensiva. Hospital Juan A. Fernández, Buenos Aires, Argentina
| | - O Roca I Gas
- Servicio de Medicina Intensiva. Hospital Universitario Vall d́Hebron, Barcelona, España
| | - A Rodríguez Oviedo
- Servicio de Medicina Intensiva. Hospital Universitario de Tarragona Joan XXIII, Tarragona, España
| | | | - J Trenado Álvarez
- Jefe de Servicio de Medicina Intensiva. Hospital Universitario Mutua Tarrasa, Barcelona, España
| | - M Raurell
- Escuela de Enfermería, Universidad de Barcelona, Barcelona, España.
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8
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Martorell A, González MC, Gutiérrez P, Rincón F, Núñez-Polo MH. Spanish validation of the PAS-ADD Checklist Questionnaire for people with intellectual disabilities for Spanish population. J Intellect Disabil Res 2017; 61:909-915. [PMID: 28748594 DOI: 10.1111/jir.12393] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 05/24/2017] [Accepted: 06/14/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND The Psychiatric Assessment Schedule for Adult with Developmental Disability (PAS-ADD) is an international reference tool for the diagnosis and assessment of mental health problems and behavioural disorders among people with intellectual disabilities. Although the original PAS-ADD instrument has been validated in the Spanish language, the shorter PAS-ADD Checklist has yet not been validated. The aim of this study is to validate the PAS-ADD Checklist for the Spanish population. METHODS The PAS-ADD Checklist Questionnaire was administered to 208 adults with intellectual disabilities at a vocational centre in Madrid, Spain. The psychometric analyses included internal consistency, inter-rater and test-retest reliability, Varimax rotation factor analysis for construct validity, criterion validity and feasibility. RESULTS The Cronbach's alpha was 0.80 for the overall questionnaire and between 0.40 and 0.79 for the subscales. The Kappa coefficients for test-retest and inter-rater reliability were between 0.66 and 0.80. Varimax rotation factor analysis showed five well-defined factors. The Kappa coefficients for criterion validity were between 0.30 and 0.70. Feasibility was also good. CONCLUSIONS The PAS-ADD Checklist is a feasible and reliable instrument for carrying out initial assessment of the mental health status of adults with intellectual disabilities, referring cases to more specialised diagnosis and treatment.
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Affiliation(s)
- A Martorell
- Fundación Carmen Pardo-Valcarce, Madrid, Spain
| | | | - P Gutiérrez
- Service of Psychiatry, Fundación Jiménez Díaz, Madrid, Spain
| | - F Rincón
- Fundación Carmen Pardo-Valcarce, Madrid, Spain
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9
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Gil-Ortega M, García-Prieto CF, Ruiz-Hurtado G, Steireif C, González MC, Schulz A, Kreutz R, Fernández-Alfonso MS, Arribas S, Somoza B. Genetic predisposition to albuminuria is associated with increased arterial stiffness: role of elastin. Br J Pharmacol 2015; 172:4406-18. [PMID: 26075500 DOI: 10.1111/bph.13223] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Revised: 06/08/2015] [Accepted: 06/10/2015] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND AND PURPOSE The Munich Wistar Frömter (MWF) rat strain represents an experimental model to study cardiovascular alterations under conditions of progressive albuminuria. The aim of this study was to evaluate the association between genetic predisposition to albuminuria and the development of arterial stiffness and/or vascular remodelling. EXPERIMENTAL APPROACH Experiments were performed in mesenteric arteries from 12-week-old MWF, Wistar Kyoto (WKY) and consomic MWF-6(SHR) and MWF-8(SHR) rats in which chromosomes 6 or 8 associated with albuminuria from MWF were replaced by the respective chromosome from spontaneously hypertensive rats (SHR). KEY RESULTS Incremental distensibility, wall stress and strain were reduced, and arterial stiffness was significantly increased in albuminuric MWF compared with WKY. Albuminuria suppression in both consomic strains was associated with lower β-values in MWF-8(SHR) and MWF-6(SHR) compared with MWF. Moreover, elastin content was significantly lower in MWF external elastic lamina compared with WKY and both consomic strains. In addition, a reduction in arterial external and internal diameter and cross-sectional area was detected in MWF compared with WKY, thus exhibiting an inward hypotrophic remodelling. However, these alterations remained unchanged in both consomic strains. CONCLUSION AND IMPLICATIONS These data demonstrate that albuminuria in MWF is associated with increased arterial stiffness due to a reduction of elastin content in the external elastic lamina. Moreover, inward hypotrophic remodelling in MWF is not directly associated with albuminuria. In contrast, we demonstrated that two major genetic loci affect both the development of albuminuria and arterial stiffness, thus linking albuminuria and impairment of mechanical properties of resistance arteries.
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Affiliation(s)
- M Gil-Ortega
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad CEU - San Pablo, Madrid, Spain
| | - C F García-Prieto
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad CEU - San Pablo, Madrid, Spain
| | - G Ruiz-Hurtado
- Instituto Pluridisciplinar and Facultad de Farmacia, Universidad Complutense, Madrid, Spain.,Instituto de Investigación imas12, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - C Steireif
- Instituto Pluridisciplinar and Facultad de Farmacia, Universidad Complutense, Madrid, Spain.,Department of Clinical Pharmacology and Toxicology, Charité - Universitätsmedizin, Berlin, Germany
| | - M C González
- Departamento de Fisiología, Universidad Autónoma, Madrid, Spain
| | - A Schulz
- Department of Clinical Pharmacology and Toxicology, Charité - Universitätsmedizin, Berlin, Germany
| | - R Kreutz
- Department of Clinical Pharmacology and Toxicology, Charité - Universitätsmedizin, Berlin, Germany
| | - M S Fernández-Alfonso
- Instituto Pluridisciplinar and Facultad de Farmacia, Universidad Complutense, Madrid, Spain
| | - S Arribas
- Departamento de Fisiología, Universidad Autónoma, Madrid, Spain
| | - B Somoza
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad CEU - San Pablo, Madrid, Spain
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10
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Loira I, Vejarano R, Morata A, Ricardo-da-Silva JM, Laureano O, González MC, Suárez-Lepe JA. Effect of Saccharomyces strains on the quality of red wines aged on lees. Food Chem 2013; 139:1044-51. [PMID: 23561208 DOI: 10.1016/j.foodchem.2013.01.020] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2012] [Revised: 12/07/2012] [Accepted: 01/08/2013] [Indexed: 11/26/2022]
Abstract
Ageing on lees involves ageing the wine in contact with yeast cells after fermentation. If combined with the addition of oak chips, it can soften the wood flavour and increase the aromatic complexity of wine. The aim of the present work is to optimise both ageing techniques through selection of an adequate Saccharomyces cerevisiae strain. The study lasted 6 months and content of polysaccharides, anthocyanins, proanthocyanidins, volatile compounds, colour parameters and sensory analysis, were periodically evaluated. Among the strains tested, G37 showed the highest release of polysaccharides (24.4±5.5 mg l(-1)). Vanillin, syringaldehyde and furfuryl alcohol increased with ageing time in 7VA2 treatment. The wine aged with CTPL14 strain presented fewer monomeric and oligomeric proanthocyanidins (12.4±0.6 and 83.4±8.3 mg l(-1), respectively), and showed the lowest astringency and bitterness sensations. Results show an improvement in the sensory profile of the red wine aged with a combination of these two techniques.
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Affiliation(s)
- I Loira
- Dpto. Tecnología de Alimentos, Escuela Técnica Superior de Ingenieros Agrónomos, Universidad Politécnica de Madrid, Ciudad Universitaria S/N, 28040 Madrid, Spain
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11
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Morata A, Benito S, Loira I, Palomero F, González MC, Suárez-Lepe JA. Formation of pyranoanthocyanins by Schizosaccharomyces pombe during the fermentation of red must. Int J Food Microbiol 2012; 159:47-53. [PMID: 22921967 DOI: 10.1016/j.ijfoodmicro.2012.08.007] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2012] [Revised: 07/31/2012] [Accepted: 08/06/2012] [Indexed: 11/25/2022]
Abstract
Schizosaccharomyces pombe is a non-Saccharomyces yeast strain that can ferment grape musts with high sugar contents - but it also has other metabolic and physiological properties that render it of great interest to wine biotechnologists. This work compares the production of pyranoanthocyanins by S. pombe, Saccharomyces cerevisiae and Saccharomyces uvarum during fermentation. Total pyranoanthocyanins ranged from 11.9 to 19.4 mg/l depending on the strain of S. pombe used. On average, S. pombe produced more pyruvic acid than did either Saccharomyces species; as a consequence it also formed more vitisin A-type pigments. S. pombe 938 produced the largest quantity of vitisin A (11.03±0.82 mg/l). The formation of large amounts of pyranoanthocyanins intensifies the post-fermentation colour of wines somewhat, a phenomenon that helps them maintain their colour over ageing as the natural grape anthocyanins become degraded. Some of the S. pombe strains showed hydroxycinnamate decarboxylase activity, which favours the formation of vinylphenolic pyranoanthocyanins. Fermentation with S. pombe therefore provides an interesting way of increasing the overall pyranoanthocyanin content of red wines, and of stabilising their colour during ageing.
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Affiliation(s)
- A Morata
- enotecUPM, Dpto. Tecnología de Alimentos, Escuela Técnica Superior de Ingenieros Agrónomos, Universidad Politécnica de Madrid, Ciudad Universitaria S/N, 28040 Madrid, Spain.
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12
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Chaer Borges V, Teixeira da Silva MDL, Gonçalves Dias MC, González MC, Linetzky Waitzberg D. Long-term nutritional assessment of patients with severe short bowel syndrome managed with home enteral nutrition and oral intake. NUTR HOSP 2012; 26:834-42. [PMID: 22470032 DOI: 10.1590/s0212-16112011000400025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2010] [Accepted: 11/28/2010] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Parenteral nutrition (PN) is used to control the nutritional state after severe intestinal resections. Whenever possible, enteral nutrition (EN) is used to promote intestinal rehabilitation and reduce PN dependency. Our aim is to verify whether EN + oral intake (OI) in severe short bowel syndrome (SBS) surgical adult patients can maintain adequate nutritional status in the long term. METHODS This longitudinal retrospective study included 10 patients followed for 7 post-operative years. Body mass index (BMI), percentage of involuntary loss of usual body weight (UWL), free fat mass (FFM), and fat mass (FM) composition assessed by bioelectric impedance, and laboratory tests were evaluated at 6, 12, 24, 36, 48, 60, 72, and 84 months after surgery. Energy and protein offered in HPN and at long term by HEN+ oral intake (OI), was evaluated at the same periods. The statistical model of generalized estimating equations with p < 0,05 was used. RESULTS With long term EN + OI there was a progressive increase in the UWL, a decrease in BMI, FFM, and FM (p < 0,05). PN weaning was possible in eight patients. Infection due to central venous catheter (CVC) contamination was the most common complication (1.2 episodes CVC/patient/year). There was an increase in energy and protein intake supply provided by HEN+OI (p < 0.05). All patients survived for at least 2 years, seven for 5 years and six for 7 years of follow-up. CONCLUSIONS In the long term SBS surgical adult patients fed with HEN+OI couldn't maintain adequate nutritional status with loss of FM and FFM.
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13
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Rocha-Pereira C, Fresco P, Arribas SM, González MC, Conde MV, Gonçalves J, Diniz C. PRESYNAPTIC ADENOSINE RECEPTORS IN SUPERIOR MESENTERIC ARTERY FROM SPONTANEOUSLY HYPERTENSIVE RATS: A FUNCTIONAL AND MORPHOLOGICAL STUDY: PP.29.169. J Hypertens 2010. [DOI: 10.1097/01.hjh.0000379707.68136.a5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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14
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Mika Horie L, González MC, Raslan M, Torrinhas R, Rodrigues NL, Verotti CCG, Cecconello I, Heymsfield SB, Waitzberg DL. Resting energy expenditure in white and non-white severely obese women. NUTR HOSP 2009; 24:676-681. [PMID: 20049370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2009] [Accepted: 05/24/2009] [Indexed: 05/28/2023] Open
Abstract
This study aimed to compare the resting energy expenditure (REE) of white and non-white severely obese Brazilian women. REE was examined in 83 severely obese Brazilian women (n = 58 white and 25 non-white) with mean (+/- SD) age 42.99 +/- 11.35 and body mass index 46.88 +/- 6.22 kg/m(2) who were candidates for gastric bypass surgery. Body composition was assessed by air displacement plethysmography (ADP) BOD PODO body composition system (Life Measurement Instruments, Concord, CA) and REE was measured, under established protocol, with an open-circuit calorimeter (Deltatrac II MBM-200, Datex-Ohmeda, Madison, WI, USA). There was no significant difference between the REE of white and non-white severely obese women (1,953 +/- 273 and 1,906 +/- 271 kcal/d, respectively; p = 0.48). However, when adjusted for fat free mass (MLG), REE was significantly higher in nonwhite severely obese women (difference between groups of 158.4 kcal, p < 0.01). REE in white women was positively and significantly correlated to C-reactive protein (PCR) (r = 0.418; P < 0.001) and MLG (r = 0.771; P < 0.001). In the non-white women, REE was only significantly correlated to MLG (r = 0.753; P < 0.001). The multiple linear regression analysis showed that skin color, MLG and PCR were the significant determinants of REE (R(2) = 0.55). This study showed that, after adjustment for MLG, non-white severely obese women have a higher REE than the white ones. The association of body composition inflammation factors and REE in severely obese Brazilian women remains to be further investigated.
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Affiliation(s)
- L Mika Horie
- Digestive Surgery Division, Department of Gastroenterology, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil.
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15
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Panadero MI, González MC, Herrera E, Bocos C. Factors modulating fibrates response: therapeutic implications and alternative strategies. Endocr Metab Immune Disord Drug Targets 2009; 9:219-36. [PMID: 19594420 DOI: 10.2174/187153009789044356] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2008] [Accepted: 09/20/2000] [Indexed: 11/22/2022]
Abstract
Peroxisome proliferator-activated receptor alpha (PPARalpha) regulates transcription of genes involved both in lipid and glucose metabolism as well as in inflammation. Fibrates are PPARalpha ligands used to normalize lipid and glucose parameters and exert antiinflammatory effects. In fact, fibrates have already been demonstrated to benefit metabolic syndrome, type 2 diabetes and cardiovascular diseases. This article reviews the mechanism of action and the functional roles of fibrates, emphasizing the factors modulating their capacity to activate PPARalpha and affecting their effectiveness. These factors may possibly explain the findings obtained in animal studies and clinical trials with fibrates which showed either untoward effects and/or inefficient hypolipidemic action of PPARalpha activation. We also discuss briefly the natural and synthetic agonists of PPARalphawhich are currently being developed and supposedly display greater effectiveness and fewer adverse effects than fibrates.
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Affiliation(s)
- M I Panadero
- Universidad San Pablo-CEU, Urbanización Montepríncipe, Madrid, Spain
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16
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Artieda J, Piñeiro L, González MC, Muñoz MJ, Basterrechea M, Iturzaeta A, Cilla G. A swimming pool-related outbreak of pharyngoconjunctival fever in children due to adenovirus type 4, Gipuzkoa, Spain, 2008. Euro Surveill 2009. [DOI: 10.2807/ese.14.08.19125-en] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
An outbreak of pharyngoconjunctival fever affecting 59 children was detected in a municipality of northern Spain in July 2008. The outbreak was related to insufficient doses of water disinfectant in the municipal swimming pool. Adenovirus was detected in the pharyngeal swabs of five of six affected children and the four strains that were sequenced were all Adenovirus type 4.
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Affiliation(s)
- J Artieda
- Epidemiology Unit, Basque Governement´s Health Department, Gipuzkoa, Spain
| | - L Piñeiro
- Microbiology Service, Hospital Donostia, San Sebastián, Spain
| | | | - M J Muñoz
- Basque Public Health Service-Osakidetza, Center of the Goierri area, Spain
| | - M Basterrechea
- Epidemiology Unit, Basque Governement´s Health Department, Gipuzkoa, Spain
| | - A Iturzaeta
- Microbiology Service, Hospital Donostia, San Sebastián, Spain
| | - G Cilla
- Microbiology Service, Hospital Donostia, San Sebastián, Spain
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17
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Schwämmle V, González MC, Moreira AA, Andrade JS, Herrmann HJ. Different topologies for a herding model of opinion. Phys Rev E Stat Nonlin Soft Matter Phys 2007; 75:066108. [PMID: 17677326 DOI: 10.1103/physreve.75.066108] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2006] [Accepted: 03/05/2007] [Indexed: 05/16/2023]
Abstract
Understanding how opinions spread through a community or how consensus emerges in noisy environments can have a significant impact on our comprehension of social relations among individuals. In this work a model for the dynamics of opinion formation is introduced. The model is based on a nonlinear interaction between opinion vectors of agents plus a stochastic variable to account for the effect of noise in the way the agents communicate. The dynamics presented is able to generate rich dynamical patterns of interacting groups or clusters of agents with the same opinion without a leader or centralized control. Our results show that by increasing the intensity of noise, the system goes from consensus to a disordered state. Depending on the number of competing opinions and the details of the network of interactions, the system displays a first- or a second-order transition. We compare the behavior of different topologies of interactions: one-dimensional chains, and annealed and complex networks.
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Affiliation(s)
- V Schwämmle
- Departamento de Física, Universidade Federal do Ceará, 60451-970 Fortaleza, Ceará, Brazil
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18
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Martignon S, González MC, Santamaría RM, Jácome-Liévano S, Muñoz Y, Moreno P. Oral-health workshop targeted at 0-5-yr. old deprived children's parents and caregivers: effect on knowledge and practices. J Clin Pediatr Dent 2007; 31:104-8. [PMID: 17315804 DOI: 10.17796/jcpd.31.2.a20j230572178wp5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
One-session oral-health workshop was targeted at 770 parents and 60 caregivers of 0-5-year-old low-income children. Lower plaque scores (Silness & Löe-modified index) were observed in test-group-(TG) children after 1 and 6-months (Median=0) than control-group-(CG) (Median=1)(p<0.05), with a significant improvement from baseline among the TG (p<0.05). The questionnaire showed improvement in the TG parents/caregivers' knowledge after 1- 6-months regarding white-spot lesion visual recognition; with respect to the practices, these improved after 1-6 but decreased after 6-months.
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Affiliation(s)
- S Martignon
- Research Unit UNICA-B, Dental Faculty, Universidad El Bosque, Bogotá, Colombia.
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19
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Abreu-González P, González-Hernández T, Afonso-Oramas D, Cruz-Muros I, Barroso-Chinea P, González MC. Tetrahydrobiopterin stimulates L-DOPA release from striatal tissue. Eur J Pharmacol 2006; 541:33-7. [PMID: 16750826 DOI: 10.1016/j.ejphar.2006.04.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2005] [Revised: 04/12/2006] [Accepted: 04/21/2006] [Indexed: 11/24/2022]
Abstract
In the present study we have analyzed the effect of tetrahydrobiopterin (BH4) essential cofactor for tyrosine hydroxylase and nitric oxide synthase, on the 3,4-dihydroxyphenylalanine (L-DOPA) release from in vitro incubated striatal tissue. dl-6-methyl-5,6,7,8 tetrahydropterine (6-MPH4)-stimulated L-DOPA release in a concentration-dependent manner in the range from 25 to 100 microM. At these concentrations 6-MPH4 did not have any effect on dopamine release. Presence of Nomega-Nitro-L-arginine methyl ester (L-NAME, 200 microM), a nitric oxide synthase inhibitor, but not of alpha-methyl-rho-tyrosine (alpha-MPT, 100 microM), a tyrosine hydroxylase inhibitor, blocked L-DOPA release induced by 6-MPH4 (200 microM). Also, the addition to the incubation medium of melatonin (MEL, 300 microM), which is a scavenger of NO and other free radicals, blocked the L-DOPA release induced by 6-MPH4 (200 microM) but this effect did not occur with the addition of the peroxynitrite scavenger uric acid (UA, 300 microM). Sodium nitroprusside (SNP, 100 muM), a NO generator and l-DOPA releaser as previously reported, potentiated the L-DOPA releasing effect of 6-MPH4 (200 microM) which was also blocked by melatonin. In summary 6-MPH4 stimulates L-DOPA release from striatal fragments incubated in vitro by a mechanism which involves NO or other free radicals derived from NO but not peroxynitrite.
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Affiliation(s)
- P Abreu-González
- Department of Physiology, University of La Laguna. 38320 Tenerife, Spain
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20
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González MC, Abreu P, Barroso-Chinea P, Cruz-Muros I, González-Hernández T. Effect of intracerebroventricular injection of lipopolysaccharide on the tuberoinfundibular dopaminergic system of the rat. Neuroscience 2004; 127:251-9. [PMID: 15219687 DOI: 10.1016/j.neuroscience.2004.04.057] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2004] [Revised: 04/12/2004] [Accepted: 04/26/2004] [Indexed: 10/26/2022]
Abstract
Numerous studies indicate that monoaminergic systems are sensitive to both peripheral and central inflammatory stimuli, and in particular dopaminergic neurons in the nigrostriatal system degenerate after local injection of lipopolysaccharide (LPS). However, data about the response of other dopaminergic groups to local inflammation are very sparse. In this study, we have examined the effect of i.c.v. injection of LPS on the tuberoinfundibular dopaminergic (TIDA) system by using biochemical and morphological parameters. Our results show that 6 h after i.c.v. injection of LPS, in parallel to a transient and intense immunoreaction to interleukin-1beta in arcuate microglial cells, there is a decrease in tyrosine hydroxylase (TH) activity in the median eminence and in the number of TH- and TH mRNA-positive cells in the arcuate nucleus, and at 12 h, an increase of prolactin levels in serum. Posterior changes were found in the TH mRNA labeling pattern, mostly in the ventrolateral region of the arcuate nucleus, but they were not accompanied by any changes in TH activity and immunoreactivity and TH-cell count. This suggests that the TIDA system is functionally susceptible to local inflammation, but the effects are transient and do not induce neurodegeneration.
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Affiliation(s)
- M C González
- Departamento de Fisiología, Facultad de Medicina, Universidad de La Laguna, La Laguna, 38320 Tenerife, Spain.
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21
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González MC, Díaz-Golpe V, Hernández L, Martin S, Fernández F. [Unusual molecular changes in two families with Friedreich's ataxia]. Neurologia 2003; 18:392-5. [PMID: 14505249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/27/2023] Open
Abstract
Friedreich's ataxia is an autosomal recessive disease generally characterized by the presence of microsatellite expansion in a GAA triplet. The patients inherit a pathologic allele from each one of their parents, that may sometimes show GAA triplet expansions or contractions. Two familial studies of typical Friedreich's ataxia are described. Their molecular study demonstrated marked intergenerational instability and an abnormally long expansion of the GAA triplet in the father in the other one. In the first case, there were expansions of 680/815 repetitions, being characterized by an expansion of 290 repetitions GAA in the father-patient transmission. The second case presented GAA of 1,260/1,095 expansions, while the expanded allele of the father was 1,350 repetitions. These cases illustrate that there can be both expansion as well as contraction of the GAA triplet from alleles of paternal origin in the disease, without any apparent phenotypic changes.
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Affiliation(s)
- M C González
- Servicio de Análisis Clínicos, Complejo Hospitalario, León
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22
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González MC, Ruíz JA, Fajardo MC, Gómez AD, Moreno CS, Ochoa MJ, Rojas LM. Comparison of the def index with Nyvad's caries diagnostic criteria in 3- and 4-year-old Colombian children. Pediatr Dent 2003; 25:132-6. [PMID: 12723838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
PURPOSE The aims of this research were to determine the epidemiological profile of dental caries in 3- and 4-year-old preschool children living in Bogotá, Colombia, and to compare two different caries indices--the standard def and Nyvad's new caries diagnostic criteria. METHODS The children were screened by two calibrated examiners who first brushed the children's teeth and air dried them for 5 seconds before they were examined. The diagnostic criteria used were the standard def-t and def-s and the def-t and def-s of the new caries diagnostic system proposed by Nyvad. The chi-square test2 was used with a significance level of 5%. RESULTS Prevalence of caries was 70% using the standard def-t criteria and 97% with the criteria proposed by Nyvad. The standard def-t and def-s were 3.3 and 5.7, respectively, and the def-t and def-s with the Nyvad citeria were 8.7 and 14.3, respectively. CONCLUSIONS Prevalence of caries was high, indicating that the population studied had a high disease rate. The results obtained with the more detailed Nyvad new caries diagnostic criteria were higher than the ones obtained with the standard def-t index, both for teeth and surfaces.
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Martín-Suárez A, Falcao AC, Outeda M, Hernández FJ, González MC, Quero M, Arranz I, Lanao JM. Population pharmacokinetics of digoxin in pediatric patients. Ther Drug Monit 2002; 24:742-5. [PMID: 12451291 DOI: 10.1097/00007691-200212000-00010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Digoxin pharmacokinetics were studied in a pediatric population with an age range of 6 days to 1 year using the population pharmacokinetic approach. Digoxin data were analyzed by mixed-effects modeling according to a one-compartment steady-state pharmacokinetic model using NONMEM software. The final model selected for the population prediction of digoxin clearance in pediatric patients was as follows: [equation: see text] Individual empirical Bayesian estimates were generated on the basis of the population estimates and were used to correlate the optimum dose of digoxin and patient age according to the following equation: [equation: see text] This equation and its derived nomogram may be used for the initial dosing of digoxin in children aged between 0 and 1 year. The use of this nomogram in routine monitoring requires further pharmacokinetic and clinical validation.
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Affiliation(s)
- A Martín-Suárez
- Department of Pharmacy and Pharmaceutical Technology, University of Salamanca, Spain
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24
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Herruzo R, Chamorro L, García ME, González MC, López AM, Manceñido N, Yébenes L. Prevalence and antimicrobial-resistance of S. pneumoniae and S. pyogenes in healthy children in the region of Madrid. Int J Pediatr Otorhinolaryngol 2002; 65:117-23. [PMID: 12176181 DOI: 10.1016/s0165-5876(02)00145-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
UNLABELLED Streptococcus pneumoniae and Streptococcus pyogenes are common agents of respiratory or ORL pathology. Pneumococcus sensitivity has progressively decreased to penicillin and other antimicrobial agents, mainly in south of Europe, but this resistance report can be erroneous by a selection bias, because they sampled only hospital cases. OBJECTIVES To determine the prevalence, antimicrobial susceptibility and risk factors of S. pneumoniae and S. pyogenes in healthy children under 5 years of age who go to infant school. SUBJECT AND METHODS Cross sectional study in six infant schools. An epidemiological inquiry (risk factors of carrier state) was filled out and a nasopharyngeal specimen was taken from each child, S. pneumoniae and S. pyogenes were identified and antimicrobial tests were performed. RESULTS We have studied 156 children with a mean age of 2.24 (standard deviation (S.D.), 0.85) and 58% have been treated with antibiotic in the last 3 months. The prevalence of S. pneumoniae or S. pyogenes were 12.2 and 5.1%, respectively. S. pyogenes only was isolated in two schools. Age was associated with S. pyogenes carrier but the rest of studied factors have no statistical significance with both microorganisms. All the S. pneumoniae showed resistance to one or more antibiotic (mainly to clavunate-amoxycillin: 94.7%), while S. pyogenes only was resistant to clavunate-amoxycillin. CONCLUSION Healthy children (0-4 years) with antibiotherapy in last 3 months have a great frequency of resistant S. pneumoniae. It is necessary to reduce the antibiotic use at home (Medical education).
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Affiliation(s)
- R Herruzo
- Departamento de Medicina Preventiva, Universidad Autonoma de Madrid, C/Arzobispo Morcillo number 4, 28029 Madrid, Spain.
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Llorente E, Brito ML, Machado P, González MC. Effect of prenatal stress on the hormonal response to acute and chronic stress and on immune parameters in the offspring. J Physiol Biochem 2002; 58:143-9. [PMID: 12603008 DOI: 10.1007/bf03179851] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The effect of prenatal stress on the time course of the corticosterone response to acute and chronic stress and on hematological and immunological parameters in the offspring were analized in the present study. Pregnant Sprague-Dawley rats were stressed daily for 2 hours during the last week of gestation, and female and male off-spring were studied during adulthood. Corticosterone response to acute immobilization stress was not significantly different in either control or prenatally stressed rats. However, after 10 days of immobilization stress the corticosterone response completely disappeared in the control animals but not in the prenatally stressed group: high levels of corticosterone were found during the first hour of stress, although they were lower than those found in acutely stressed rats. Adrenal hypertrophy in response to prenatal stress was observed in females but not in male offspring, and chronic stress only increased adrenal weights in the male control group. Prenatal stress decreased the total peripheral leukocyte count, altered its diferential count decreasing lymphocytes and increasing neutrophil and eosinhophil counts, and significantly reduced the percentage of peripheral lymphocyte T CD8+ subset in male offspring. Chronic stress also reduced the percentage of the peripheral T CD8+ lymphocyte subset in the control group but not in the prenatally stressed group. These results suggest that the exposure to stress during pregnancy alters the adaptative response of the hypothalamus-pituitary-adrenocortical axis to chronic stress and presumably the immune competence in the offspring.
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Affiliation(s)
- E Llorente
- Departament of Physiology, Faculty of Medicine, University of La Laguna, 38320 Tenerife, Spain
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26
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Fontana A, Cimino G, Gavagnin M, González MC, Estornell E. Novel inhibitors of mitochondrial respiratory chain: endoperoxides from the marine tunicate Stolonica socialis. J Med Chem 2001; 44:2362-5. [PMID: 11428930 DOI: 10.1021/jm0011373] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The Mediterranean tunicate Stolonica socialis contains a new class of powerful cytotoxic acetogenins, generically named stolonoxides. In this paper, which also details the isolation and chemical characterization of a minor component (3a) of the tunicate extract, we report the potent inhibitory activity (IC(50) < 1 microM) of stolonoxides (1a and 3a) on mitochondrial electron transfer. The compounds affect specifically the functionality of complex II (succinate:ubiquinone oxidoreductase) and complex III (ubiquinol:cytochrome C oxidoreductase) in mammalian cells, thereby causing a rapid collapse of the whole energetic metabolism. This result, which differs from the properties of similar known products (e.g., 6), reflects the molecular features of stolonoxides.
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Affiliation(s)
- A Fontana
- Istituto per la Chimica di Molecole di Interesse Biologico (ICMIB) del CNR, Via Toiano 6, 80072, Arco Felice (Na), Italy.
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27
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Abstract
The aim of the present study was to determine whether the adventitia of large arteries modulates vascular function. We developed a method to obtain functional vascular rings devoid of adventitia. Carotid and iliac arteries from 3-mo-old Sprague-Dawley rats were denuded from adventitia after treatment with collagenase followed by gentle peeling. Adventitia removal and integrity of the media was demonstrated by optical and confocal microscopy. Arterial rings with or without adventitia and with or without endothelium were mounted in an organ bath for isometric tension recording. Responses to 75 mM KCl or norepinephrine (0.1 nM–1 μM) were significantly reduced in segments without adventitia. Acetylcholine-induced relaxation (0.1 μM–0.1 mM) was enhanced in arteries without adventitia, whereas sodium nitroprusside-induced responses were not modified. These results demonstrate that the combination of stripping with a previous collagenase treatment allows us to obtain functional rings devoid of adventitia and that this layer plays a role in contractile capacity and in endothelium-modulated responses.
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MESH Headings
- Acetylcholine/pharmacology
- Animals
- Carotid Arteries/drug effects
- Carotid Arteries/physiology
- Collagenases/pharmacology
- Dose-Response Relationship, Drug
- Endothelium, Vascular/drug effects
- Endothelium, Vascular/pathology
- Endothelium, Vascular/physiology
- Iliac Artery/drug effects
- Iliac Artery/physiology
- In Vitro Techniques
- Isometric Contraction/drug effects
- Isometric Contraction/physiology
- Muscle, Smooth, Vascular/drug effects
- Muscle, Smooth, Vascular/pathology
- Muscle, Smooth, Vascular/physiology
- Nitroprusside/pharmacology
- Norepinephrine/pharmacology
- Potassium Chloride/pharmacology
- Rats
- Rats, Sprague-Dawley
- Vasoconstriction/drug effects
- Vasoconstriction/physiology
- Vasoconstrictor Agents/pharmacology
- Vasodilation/drug effects
- Vasodilation/physiology
- Vasodilator Agents/pharmacology
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Affiliation(s)
- M C González
- Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid, 28029 Madrid, Spain.
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28
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Acosta I, Aponte Z, de-Jesús Z, de-León A, González MC, Hernández J, Martínez P, Santos ER, Pérez-Perdomo R. Prevalence of diabetes mellitus among pregnant women receiving health services at the Puerto Rico University Hospital, Puerto Rico, 1997-1998. P R Health Sci J 2001; 20:165-70. [PMID: 11561477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
OBJECTIVE To estimate the prevalence and to describe the clinical characteristics of gestational diabetes mellitus (GDM) in pregnant women receiving health care services at the Puerto Rico University Hospital from 1997 to 1998. METHODS The study design was cross-sectional. All medical records available of pregnant women diagnosed with GDM were retrospectively reviewed. Descriptive statistics such as frequency distributions and summary measures (mean and standard deviation) were used. Annual and 18-month period prevalences of GDM were calculated. Fisher's exact test was used to compare proportions. RESULTS A total of 78 medical records were available during the 18-month study period (June 1997 to December 1998). The estimated prevalence of GDM was 2% for the total study period (18-month) as well as for the year 1998. The highest proportion (52.3%) of GDM cases was found in the 30 years or less age group. Forty-eight percent had a body mass index (BMI) > or = 30 m/kg2 (obese) before pregnancy; however, the weight gained during the last pregnancy was higher than 15 pounds (57%). Sixty-four percent of the cases had a family history of diabetes, meanwhile, 34.7% reported a history of GDM during previous pregnancies. During the first prenatal visit, 80.5% reflected glucose levels higher than 110 mg/ml. Preeclampsia (6.4%) and macrosomia (14%) were the most frequent complications for the mother and the fetus, respectively. DISCUSSION More epidemiological studies about GMD in Puerto Rico need to be performed to better describe the prevalence of the condition in the island.
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Affiliation(s)
- I Acosta
- Department of Biostatistics and Epidermiology, Graduate School of Public Health, Medical Sciences Campus, University of Puerto Rico, PO Box 365067, San Juan, Puerto Rico, 00936-5067
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29
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Tormo JR, Estornell E, Gallardo T, González MC, Cavé A, Granell S, Cortes D, Zafra-Polo MC. Gamma-lactone-Functionalized antitumoral acetogenins are the most potent inhibitors of mitochondrial complex I. Bioorg Med Chem Lett 2001; 11:681-4. [PMID: 11266168 DOI: 10.1016/s0960-894x(01)00036-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
To study the relevance of the terminal alpha,beta-unsaturated gamma-methyl-gamma-lactone moiety of the antitumoral acetogenins of Annonaceae for potent mitochondrial complex I inhibition, we have prepared a series of semisynthetic acetogenins with modifications only in this part of the molecule, from the natural rolliniastatin-1 (1) and cherimolin-1 (2). Some of the hydroxylated derivatives (1b, 1d and 1e) in addition to two infrequent natural beta-hydroxy gamma-methyl gamma-lactone acetogenins, laherradurin (3) and itrabin (4), are more potent complex I inhibitors than any other known compounds.
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Affiliation(s)
- J R Tormo
- Departamento de Farmacología, Farmacognosia y Farmacodinamia, Universidad de Valencia, Spain
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30
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Gallardo T, Zafra-Polo MC, Tormo JR, González MC, Franck X, Estornell E, Cortes D. Semisynthesis of antitumoral acetogenins: SAR of functionalized alkyl-chain bis-tetrahydrofuranic acetogenins, specific inhibitors of mitochondrial complex I. J Med Chem 2000; 43:4793-800. [PMID: 11123988 DOI: 10.1021/jm000911j] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The acetogenins of Annonaceae are known by their potent cytotoxic activity. In fact, they are promising candidates as a new future generation of antitumoral drugs to fight against the current chemiotherapic resistant tumors. The main target enzyme of these compounds is complex I (NADH:ubiquinone oxidoreductase) of the mitochondrial respiratory chain, a key enzymatic complex of energy metabolism. In an attempt to characterize the relevant structural factor of the acetogenins that determines the inhibitory potency against this enzyme, we have prepared a series of bis-tetrahydrofuranic acetogenins with different functional groups along the alkyl chain. They comprise several oxo, hydroxylimino, mesylated, triazido, and acetylated derivatives from the head series compounds rolliniastatin-1, guanacone, and squamocin. Our results suggest a double binding point of acetogenins to the enzyme involving the alpha,alpha'-dihydroxylated tetrahydrofuranic system as well as the alkyl chain that links the terminal alpha, beta-unsaturated-gamma-methyl-gamma-lactone. The former mimics and competes with the ubiquinone substrate. The latter modulates the inhibitory potency following a complex outline in which multiple structural factors probably contribute to an appropriate conformation of the compound to penetrate inside complex I.
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Affiliation(s)
- T Gallardo
- Departamento de Farmacología, Laboratorio de Farmacognosia, Facultad de Farmacia, Universidad de Valencia, 46100 Burjassot, Valencia, Spain
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31
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González-Hernández T, González MC. Gender differences and the effect of different endocrine situations on the NOS expression pattern in the anterior pituitary gland. J Histochem Cytochem 2000; 48:1639-48. [PMID: 11101632 DOI: 10.1177/002215540004801207] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The presence of neuronal nitric oxide synthase (nNOS) in two populations of pituitary cells, gonadotrophs (LH) and folliculostellate (FS) cells, suggests that pituitary nitric oxide (NO) is involved in the control of hormone secretion. We have used single and double immunostaining and quantitative procedures to investigate possible gender-related differences in the nNOS expression pattern in the anterior pituitary lobe and its possible alterations in different endocrine situations. Our results reveal a sexual dimorphism in the pattern of nNOS expression. In males, nNOS is mainly found in FS cells, whereas only a few LH cells express nNOS. Conversely, in females, nNOS is mainly found in LH cells. After gonadectomy, paralleling an increase in LH cell size and serum luteinizing hormone (LH) levels, there is nNOS upregulation in LH cells and nNOS downregulation in FS cells. After testoterone replacement, LH cells become nNOS-immunonegative again. In lactating rats, LH cells overexpress nNOS, but LH cell size and serum LH levels are low. This suggests that, depending on its cellular source, pituitary NO can exert either an inhibitory or a stimulatory effect on hormone secretion. When released from FS cells, NO exerts a paracrine inhibitory effect, and when released from gonadotrophs it exerts an autocrine or paracrine stimulatory effect on LH or prolactin secretion, respectively.
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Affiliation(s)
- T González-Hernández
- Departments of Anatomy, Faculty of Medicine, University of La Laguna, La Laguna, Tenerife, Spain.
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32
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Escarpa A, González MC. Optimization strategy and validation of one chromatographic method as approach to determine the phenolic compounds from different sources. J Chromatogr A 2000; 897:161-70. [PMID: 11128199 DOI: 10.1016/s0021-9673(00)00817-7] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
We have designed a novel working strategy to optimize a unique chromatographic method consisting of diode array detection for the analysis of the most representative phenolic compounds from different food sources. The simultaneous inclusion of standard phenolic compounds, phenolic compounds isolated from food sources and representative real extracts as an ultimate test in analysis has allowed to establish, for the first time, a unique liquid gradient to serve as an excellent medium for the investigation of phenolics in samples from different food sources. Under the optimized conditions, 21 commercially available phenolic compounds and 25 commercially unavailable phenolic structures were analyzed in less than 30 min. The chromatographic method was designed as an alternative for the provisional identification of these compounds before their full characterization. The optimized chromatographic method was carefully validated for precision and accuracy. A high reproducibility in the retention time (<2%), peak area and calibration slope (<5%) as well as recoveries higher than 95% were obtained in all cases. Consequently, the currently described method was successfully employed to study the phenolic compounds in the most representative food samples.
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Affiliation(s)
- A Escarpa
- Departamento de Química Analítica, Facultad de Ciencias, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain.
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33
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Abstract
Tyrosine hydroxylase (TH) is the rate-limiting enzyme in the biosynthesis of catecholamines. In a previous report we found that intracerebroventricular administration of nitric oxide (NO) generator sodium nitroprusside (SNP) to conscious male rats inhibited dose-dependently the TH activity of the median eminence (ME). In the present study we have tested the in vitro effects of SNP on TH activity, its possible mediator and action mechanism. Exposure of the ME TH to SNP (50, 100 and 500 microM) caused concentration-dependent inhibition of its enzyme activity. Addition of; reduced hemoglobin Hb (10 microM), a NO scavenger, superoxide dismutase SOD (1000 units/ml), a superoxide scavenger enzyme, or uric acid UA (300 microM), a peroxynitrite scavenger, did not affect the enzyme activity by themselves, but prevented the inhibitory effect of SNP 500 microM. However, the presence of methylene blue MB (100 microM), a guanylyl cyclase inhibitor, did not alter either basal enzyme activity or the inhibitory action of SNP 500 microM. These results suggest that this action of SNP on TH of the ME would be mediated by peroxynitrite generated by the reaction of NO with superoxide.
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Affiliation(s)
- P Abreu
- Department of Physiology, School of Medicine, University of La Laguna, Tenerife, Spain
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34
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Reyes H, Báez ME, González MC, Hernández I, Palma J, Ribalta J, Sandoval L, Zapata R. Selenium, zinc and copper plasma levels in intrahepatic cholestasis of pregnancy, in normal pregnancies and in healthy individuals, in Chile. J Hepatol 2000; 32:542-9. [PMID: 10782901 DOI: 10.1016/s0168-8278(00)80214-7] [Citation(s) in RCA: 90] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND/AIMS Low blood Se levels have been previously shown in normal pregnancies (third trimester) and significantly lower levels in patients with intrahepatic cholestasis of pregnancy (ICP), in Finland and in Chile, suggesting that a low or marginal dietary availability of Se may contribute to the pathogenesis of this disease. The aim of this study was to investigate whether a temporal change in plasma concentration of Se, and seasonal fluctuations in plasma concentrations of Se, Zn and Cu, could coincide with changes in the prevalence of ICP. METHODS A cross-sectional cohort study was done including 21 ICP patients, 98 women in the third trimester of a normal pregnancy, 29 non-pregnant women, and also 13 individuals (seven non-pregnant women and six men) who had been studied 9 years before. Plasma Se, Zn and Cu were measured by atomic spectroscopy. Plasma Se levels in the present study were compared to the results obtained 5 to 7 years before, employing identical methodology in similar population samples. RESULTS Plasma Se concentrations in non-pregnant women were higher than in the previous study: 1.43+/-0.34 micromol/l vs 0.85+/-0.13; p<0.001. In comparison to non-pregnant women, normal pregnancies near term had lower plasma levels of Se: 1.08+/-0.25 micromol/l; p<0.01, and Zn: 17.90+/-3.61 micromol/l vs 19.71+/-3.21; p<0.05, but higher plasma levels of Cu: 34.35+/-7.12 micromol/l vs 20.62+/-3.34; p<0.01. In normal pregnancies, plasma Se concentration was significantly higher in summer (1.34+/-0.19 micromol/l) than in the other seasons, while Zn and Cu diminished. Similar to previous studies, ICP patients had significantly lower Se plasma levels than normal pregnancies: 0.94+/-0.12 micromol/l, p<0.05, and Cu levels were significantly higher: 50.80+/-7.02 micromol/l, p<0.01. Cu plasma levels correlated with the biochemical severity of the disease. Zn did not change in ICP. CONCLUSIONS The present study shows that the decrease in the prevalence of ICP in Chile during the last decade coincides with an increase in plasma Se levels. Its lower incidence during summer coincides with a higher plasma Se concentration in summer than in other seasons, as observed in normal pregnancies.
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Affiliation(s)
- H Reyes
- Department of Medicine, Hospital del Salvador and Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago de Chile.
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35
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Abstract
Hexane, ethyl acetate and methanol extracts of Annona muricata pericarp were tested in vitro against Leishmania braziliensis and L. panamensis promastigotes, and against cell line U-937. The ethyl acetate extract was more active than the other extracts and even of Glucantime used as reference substance. Its fractionation led to the isolation of three acetogenins--annonacin, annonacin A and annomuricin A.
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Affiliation(s)
- M C Jaramillo
- Facultad de Química Farmacéutica, Universidad de Antioquia, A. A. 1226 Medellín, Colombia
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36
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Bolzán AD, González MC, Bianchi MS. The effect of 1,10-phenanthroline on the chromosome damage and sister-chromatid exchanges induced by streptozotocin in mammalian and insect cells. Mutat Res 2000; 447:221-6. [PMID: 10751605 DOI: 10.1016/s0027-5107(99)00210-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The effect of the metal chelating agent 1,10-Phenanthroline (PNT) on the streptozotocin (STZ)-induced chromosomal aberrations (CAs) and sister-chromatid exchanges (SCEs) in Chinese hamster ovary (CHO) and mosquito (Aedes albopictus) cells was investigated. Treatment of CHO and mosquito cells with STZ produced a significant and dose-response increase in the yield of CAs as well as SCEs (p<0.05). The addition of PNT prevented the induction of CAs by STZ in both types of cells, causing a significant decrease in the frequency of STZ-induced CAs (46.5-72.5%) (p<0.05). This fact indicates that intracellular transition metals are implicated in STZ-induced CAs and that the Fenton reaction (Fe(2+)+H(2)O(2)-->OH degrees +OH(-)+ Fe(3+)) is partly responsible for the production of CAs by this compound. On the other hand, the addition of PNT to CHO and mosquito cell cultures did not prevent the induction of SCEs by STZ. Therefore, it is valid to assume that the induction of CAs and SCEs by STZ occurs by different mechanisms.
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Affiliation(s)
- A D Bolzán
- Instituto Multidisciplinario de Biología Celular (IMBICE), C.C. 403, 1900, La Plata, Argentina.
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37
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Tormo JR, González MC, Cortes D, Estornell E. Kinetic characterization of mitochondrial complex I inhibitors using annonaceous acetogenins. Arch Biochem Biophys 1999; 369:119-26. [PMID: 10462447 DOI: 10.1006/abbi.1999.1343] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The NADH:ubiquinone oxidoreductase (complex I) of the mitochondrial respiratory chain is by far the largest and most complicated of the proton-translocating enzymes involved in the oxidative phosphorylation. Many clues regarding the electron pathways from matrix NADH to membrane ubiquinone and the links of this process with the translocation of protons are highly controversial. Different types of inhibitors become valuable tools to dissect the electron and proton pathways of this complex enzyme. Therefore, further knowledge of the mode of action of complex I inhibitors is needed to understand the underlying mechanism of energy conservation. This study presents for the first time a detailed exploration of the inhibitory action of the Annonaceous acetogenins, the most powerful inhibitors of the mammalian enzyme, taking as the head-series rolliniastatin-1, rolliniastatin-2, and corossolin. Despite their close chemical resemblance, each of them inhibits the complex I with different kinetic features reflecting differential binding to the enzyme.
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Affiliation(s)
- J R Tormo
- Facultat de Farmàcia, Universitat de València. Avgda., Vicent Andrés Estellés s/n, Burjassot (València), E-46100, Spain
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Escarpa A, González MC. Fast separation of (poly)phenolic compounds from apples and pears by high-performance liquid chromatography with diode-array detection. J Chromatogr A 1999; 830:301-9. [PMID: 10048196 DOI: 10.1016/s0021-9673(98)00893-0] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Polyphenolic compounds in apples and pears were analysed by HPLC on C18-modified silica. Gradient elution with phosphoric acid-methanol mixtures and phosphoric acid-acetonitrile mixtures gave complete separation of all polyphenolics of interest. The use of methanol as modifier was preferred because it provides a more rapid separation (20 min). Diode-array detection was used for the provisional identification of polyphenolic compounds not available as standards.
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Affiliation(s)
- A Escarpa
- Departamento de Química Analítica, Facultad de Ciencias, Universidad de Alcalá, Madrid, Spain
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39
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Escarpa A, González MC. High-performance liquid chromatography with diode-array detection for the determination of phenolic compounds in peel and pulp from different apple varieties. J Chromatogr A 1998; 823:331-7. [PMID: 9818410 DOI: 10.1016/s0021-9673(98)00294-5] [Citation(s) in RCA: 248] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Quantitative analysis of phenolic compounds from four apple varieties (Golden and Red Delicious, Granny Smith and Green Reineta) using high-performance liquid chromatography with diode-array detection was carried out. For each variety, both peel and pulp were analysed. The identification of phenolic compounds was made by comparing their retention times and UV spectra with those of standards. The results revealed differences between pulp and peel in all cases studied. The highest levels of phenolic compounds were found in the peel. High levels of catechins and flavonol glycosides, especially rutin, were found in apple peels. Chlorogenic acid was the major peak in the pulp for all apple varieties studied except for Granny Smith. Significant quantitative differences between the apple varieties were also found, the Golden Delicious variety showing the lowest content of phenolic compounds and Green Reineta variety the highest. The recovery of phenolic compounds from both peel and pulp was measured in all apple varieties. The values ranged between 95 and 105%, indicating close to quantitative recovery for the method used.
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Affiliation(s)
- A Escarpa
- Departamento de Química Analítica, facultad de Ciencias, Universidad de Alcalá, Madrid, Spain
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40
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Abstract
Nitric oxide (NO) has been involved in the modulation of various neuroendocrine responses. This work is a study of dose-response and time-course of the effect of intracerebroventricular (i.c.v.) administration of (NO) generator sodium nitroprusside (SNP), on tyrosine hydroxylase (TH) activity of the median eminence (ME) and serum prolactin levels, performed on conscious male rats. SNP (1, 5 and 10 microg) inhibited the TH activity of the ME, 15 min following injection in a dose-dependent way, although the effect was only significant with the highest dose, and also increased in a dose-dependent manner the serum prolactin levels. Both actions were transient but vanished at different times following injection of 10 microg of SNP. These results suggest that NO, released from SNP, inhibits the tuberoinfundibular dopaminergic neurons of the basal hypothalamus to stimulate prolactin secretion.
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Affiliation(s)
- M C González
- Department of Physiology, School of Medicine, University of La Laguna, La Cuesta, Tenerife, Spain.
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41
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González MC, Llorente E. Methylene blue inhibits stimulatory effect of sodium nitroprusside but not of 3-morpholino sydnonimine on prolactin secretion in freely moving male rats. Brain Res Bull 1998; 46:229-31. [PMID: 9667816 DOI: 10.1016/s0361-9230(98)00004-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Previously we reported that intracerebroventricular (i.c.v.) administration of nitric oxide (NO) donors, sodium nitroprusside (SNP) (1-10 microg), and 3-morpholino-sydnonimine (SIN-1) (10-100 microg), induced dose-dependent increases in plasma prolactin levels of freely moving male rats, suggesting a role of NO in the control of prolactin secretion. The present results show that i.c.v. pretreatment with methylene blue (MB) (30 microg), a guanylyl cyclase inhibitor, significantly reduced the effects of microinjections of SNP (3 and 5 microg), however, this did not modify the stimulatory action of SIN-1 (30 microg) on plasma prolactin levels of conscious male rats. Alone, MB did not modify basal prolactin levels. These results suggest different mechanisms of action of SNP and SIN-1 to stimulate prolactin secretion in vivo. Activation of soluble guanylyl cyclase seems to mediate the neuroendocrine action of NO released from SNP but not of SIN-1. Different cellular distribution of NO generating activity from these donors as well as the possible generation of other radicals simultaneously with NO from SIN-1 could explain these differences.
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Affiliation(s)
- M C González
- Department of Physiology, School of Medicine, University of La Laguna, Tenerife, Spain.
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42
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González MC, Osuna L, Echevarría C, Vidal J, Cejudo FJ. Expression and localization of phosphoenolpyruvate carboxylase in developing and germinating wheat grains. Plant Physiol 1998; 116:1249-58. [PMID: 9536041 PMCID: PMC35031 DOI: 10.1104/pp.116.4.1249] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/1997] [Accepted: 12/31/1997] [Indexed: 05/20/2023]
Abstract
Phosphoenolpyruvate carboxylase (PEPC) activity and corresponding mRNA levels were investigated in developing and germinating wheat (Triticum aestivum) grains. During grain development PEPC activity increased to reach a maximum 15 d postanthesis. Western-blot experiments detected two main PEPC polypeptides with apparent molecular masses of 108 and 103 kD. The most abundant 103-kD PEPC subunit remained almost constant throughout the process of grain development and in the scutellum and aleurone layer of germinating grains. The less-abundant 108-kD polypeptide progressively disappeared during the second half of grain development and was newly synthesized in the scutellum and aleurone layer of germinating grains. PEPC mRNA was detected throughout the process of grain development; however, in germinating grains PEPC mRNA accumulated transiently in the scutellum and aleurone layer, showing a sharp maximum 24 h after imbibition. Immunolocalization studies revealed the presence of the enzyme in tissues with a high metabolic activity, as well as in the vascular tissue of the crease area of developing grains. A clear increase in PEPC was observed in the scutellar epithelium of grains 24 h after imbibition. The data suggest that the transiently formed PEPC mRNA in the scutellar epithelium encodes the 108-kD PEPC subunit.
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Ferrer MD, Pallardó Y, González MC, Laso MS, Gil J, Nogués E. [Transthoracic needle aspiration biopsy. The diagnostic accuracy of pulmonary lesions]. An Med Interna 1998; 15:3-7. [PMID: 9522497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
We performed 91 transthoracic functions, under fluoroscopy, sonographically or by computed tomography control, at Clinic Hospital in Valencia. The procedures was performed with Chiba needle 22 gauges while the cytopathologist was present. Maximum number of needle passes was four. Malignant diagnosis has been obtained in 64.8% of cases, in 12 patients a benign diagnosis was obtained and confirmed, 13 cases were false negative and the specimen was insufficient for diagnosis in 7 (5 of them lesions had a diameter less than 2 cm). The study showed 82% for sensitivity, 100% for specificity and 85% for accuracy. The punction was guided by fluoroscopy in 49 patients, by sonography in 6 and by computed tomography control in 36. The accuracy diagnosis for fluoroscopy guidance was 96%. The complications were 9 (9.9%): Two patients presented minor hemoptysis resolved spontaneously, 6 patients showed minor pneumothorax and one patient was treated a cause of a large pneumothorax. We concluded that transthoracic biopsy is a simple and save technique that can provide a high diagnosis accuracy in patients with pulmonary pathology.
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Affiliation(s)
- M D Ferrer
- Servicio de Radiodiagnóstico, Hospital Clínico Universitario, Valencia
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Zafra-Polo MC, González MC, Tormo JR, Estornell E, Cortes D. Polyalthidin: new prenylated benzopyran inhibitor of the mammalian mitochondrial respiratory chain. J Nat Prod 1996; 59:913-916. [PMID: 8904840 DOI: 10.1021/np960492m] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Polyalthidin (3), a new benzopyran derivative, was isolated from the stem bark of Polyalthia cerasoides. Its structure was established on the basis of chemical and spectral evidence. Polyalthidin has showed potent biological activity as an inhibitor of the mammalian mitochondrial respiratory chain.
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Affiliation(s)
- M C Zafra-Polo
- Departamento de Farmacología, Farmacognosia y Farmacodinamia, Facultadde Farmacia, Universidad de Valencia, Spain
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Sahpaz S, González MC, Hocquemiller R, Zafra-Polo MC, Cortes D. Annosenegalin and annogalene: two cytotoxic mono-tetrahydrofuran acetogenins from Annona senegalensis and Annona cherimolia. Phytochemistry 1996; 42:103-107. [PMID: 8728060 DOI: 10.1016/0031-9422(95)00891-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Two new cytotoxic mono-tetrahydrofuran acetongenins, annosenegalin and annogalene, have been isolated from the cytotoxic methanolic extract of Annona senegalensis and A. cherimolia seeds. Their structures were established on the basis of 1D and 2D NMR spectroscopic techniques. Annosenegalin belongs to the rare type of C37 mono-tetrahydrofuran acetogenins, and annogalene is an olefinic acetogenin.
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Affiliation(s)
- S Sahpaz
- Departamento de Farmacología, Universidad de Valencia, Burjasot, Spain
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Abstract
One-hundred and twenty-eight different linear, epoxy, mono-tetrahydrofuran, bis-tetrahydrofuran or tri-tetrahydrofuran acetogenins have been isolated from the Annonaceae. These new secondary metabolites are potent cytotoxic inhibitors of the mitochondrial NADH:ubiquinone oxidoreductase (complex I of the respiratory chain).
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Affiliation(s)
- M C Zafra-Polo
- Departamento de Farmacología (Farmacognosia y Farmacodinamia), Facultad de Farmacia, Universidad de Valencia, Spain
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Castillo D, Neira L, Reid M, Vega P, Fernández N, Urbina AM, González MC, Rodríguez L, Elgueta S. [Measurement of total serum IgE by enzyme immunoassay with three commercial reagents]. Rev Med Chil 1996; 124:342-7. [PMID: 9008947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
We measured total serum IgE in 14 patients with allergic diseases and 16 healthy subjects, using three commercial ELISA kits. The correlation of results among the three kits was analyzed using Passing and Bablock regression parameters. Results show that measurements of the different kits do not coincide. One kit shows differences using sera from normal subjects. There is no correlation among kits when using sera from allergic patients. It is concluded that it is not possible to determine exactly the amount of IgE using these kits, specially in subjects with elevated levels.
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Affiliation(s)
- D Castillo
- Sub-Departamento de Inmunología, Instituto de Salud Pública de Chile, Santiago de Chile
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Abreu P, Llorente E, Hernández MM, González MC. Interleukin-1 beta stimulates tyrosine hydroxylase activity in the median eminence. Neuroreport 1994; 5:1356-8. [PMID: 7919198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The effects of intracerebroventricularly (i.c.v.) injected interleukin-1 beta (IL-1 beta) on tyrosine hydroxylase (TH) activity in the median eminence and on serum adrenocorticotropin hormone (ACTH) and prolactin (PRL) levels were studied in freely moving male rats chronically implanted with i.c.v. cannulas. IL-1 beta stimulated TH activity of the median eminence in a dose-dependent manner. Intracerebroventricular injections of 100 ng and 200 ng IL-1 beta significantly increased TH activity in the median eminence by 40.6% and 74.7% respectively over the saline-injected control group. The stimulation of ACTH secretion was statistically significant for all doses used, however i.c.v. injections of IL-1 beta failed to elicit significant changes in the serum PRL concentrations. These results suggest that IL-1 beta increases dopaminergic activity of the medial basal hypothalamus to produce its neuroendocrine effects.
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Affiliation(s)
- P Abreu
- Department of Physiology, School of Medicine, University of La Laguna, Tenerife, Spain
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Abreu P, Llorente E, Hernández MM, González MC. Interleukin-1β stimulates tyrosine hydroxylase activity in the median eminence. Neuroreport 1994. [DOI: 10.1097/00001756-199406270-00015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Mora O, González MC. [Ameloblastic fibro-odontoma. Report of a case]. Acta Odontol Venez 1990; 28:89-91. [PMID: 2131735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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