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Specific and cross-reactive immune response against Mycobacterium tuberculosis antigens in mice immunized with proteoliposomes from Mycobacterium bovis BCG

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Asian Pacific Journal of Tropical Biomedicine 2017年第3期7卷 188-192页

作者： Nadine Alvarez DaymíSerpa Ramlah Kadir Yanely Tirado Reinier Borrero Sonsire Fernández Rubén Cabrera Yolanda Valdes Caridad Zayas Reinaldo Acevedo Luis Izquierdo maría elena sarmiento Mohd-Nor Norazmi JoséLuis Pérez Armando Acosta Finlay Institute School of Health Sciences University Sains Malaysia Institute for Research in Molecular Medicine University Sains Malaysia

Objective: To characterize the immunogenicity and the induction of cross-reactive responses against Mycobacterium tuberculosis(M. tuberculosis) of a proteoliposome(PL)from Mycobacterium bovis Bacillus Calmette–Guerin(BCG) with and without alum hydroxide(AL) as adjuvant(PLBCG-AL and PLBCG, respectively) in BALB/c ***: BALB/c mice were inoculated with phosphate buffer solution, BCG, PLBCG and PLBCG-AL. The humoral immunogenicity was determined by ELISA [immunoglobulin G(Ig G), Ig G1 and Ig G2a] and the cellular immunogenicity was evaluated in vivo by delayed type hypersensitivity. The humoral cross-reactive response against M. tuberculosis was determined by Western ***: Sera from animals immunized with PLBCG-AL and PLBCG showed significant increase in specific total Ig G and Ig G1 antibodies and the presence of cross-reactive antibodies against M. tuberculosis antigens, which were more intense with the use of alum as adjuvant. Mice immunized with PLBCG and PLBCG-AL also showed a specific cellular response in ***: The cellular and humoral immunogenicity of PLBCG and the capacity to induce cross-reactive responses against M. tuberculosis is in agreement with the protective capacity previously demonstrated by this vaccine candidate and supports the continuation of its evaluation in further stages.

关键词： BCG Immunogenicity Mycobacterium tuberculosis Proteoliposomes

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Liposomes as immunological adjuvants and delivery systems in the development of tuberculosis vaccine:A review

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Asian Pacific Journal of Tropical Medicine 2022年第1期15卷 7-16页

作者： Nur Ellene Mat Luwi Suhana Ahmad Ahmad Suhaimi Nurfatihah Azlyna Asyikin Nordin maria elena sarmiento Armando Acosta Mohd Nor Norazmi Vuk Uskoković Rohimah Mohamud Ramlah Kadir Department of Immunology School of Medical SciencesUniversiti Sains Malaysia16150 Kubang KerianKelantanMalaysia School of Health Sciences Universiti Sains Malaysia16150 Kubang KerianKelantanMalaysia Department of Mechanical Engineering San Diego State UniversityCampanile Dr.5500San Diego 921982CAUSA TardigradeNano LLC IrvineCA 92604USA

Liposomes are phospholipid bilayer vesicles,which are biocompatible,biodegradable and nontoxic vehicles suitable for numerous drug and gene delivery *** this review,we discuss the prospect of using liposome technology in the development of a vaccine for *** remains an important health problem that requires the development of an effective vaccine,especially since the only approved vaccine for it continues to be the Bacille Calmette-Geurin(BCG)one developed 100 years *** review focuses on the different applications of liposomes toward achieving this *** liposomal formulations showing prospect in the research stage and in clinical trials are discussed.

关键词： Liposomes Tuberculosis vaccine Adjuvant Delivery system Tuberculosis

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Membrane and Subcellular Muscle Injury Are Induced by Single or Multiple Exposure to Cigarette Smoke

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Open Journal of Pathology 2014年第3期4卷 125-137页

作者： Ana maria Fleig-Mayer Alba Ramirez-sarmiento Amanda Iglesias Montserrat Morla Carlos Coronell Diego Rodríguez Simona Pichinni Josep Lloreta Piergiorgio Zuccaro Xavier Busquets Joaquim Gea Jose R.Jardim Mauricio Orozco-Levi Centro Universitario do Triangulo(UNITRI) Avenida nicomedes Alves Dos Santos4545-GaveaUberlandiaPulmonary Rehabilitation CenterRespiratory DivisionFederal University of Sao PauloSao PauloBrazil Group of Research in Injury Immune Response and Function(LIF)Municipal Institute of Medical Research(IMIM)Carrer Dr.Aiguader 88BarcelonaE-08003Spain Servei de Pneumologia Hospital del MarPasseig Maritim 25BarcelonaE-08003Spain Centro en Red de Investigacion de Enfermedades Respiratorias(CIBERES) Recinto Hospital Joan March Carretera Soller Km.1207110BunyolaMallorcaIlles BalearsSpain Institut Universitari d’Investigacio en Ciencies de la Salut(IUNICS)and Department de Biologia Universitat Illes Balears(UIB)Cra de ValldemossaKm 7.5PalmaIlles BalearsSpain Laboratorio Di Biochimica Clinica Istituto Superiore Di Sanita.Viale Regina Elena 29900161RomaItaly Respiratory Department Fundacion Cardiovascular de ColombiaCalle 155A 23-58FloridablancaSantanderColombia Servei d’Anatomia Patologica Hospital del MarPasseig Maritim 25BarcelonaE-08003Spain

Cigarette smoking is the main cause of chronic obstructive pulmonary disease (COPD). Diaphragm injury is observed in patients with COPD. However, the potential role of smoking in triggering or perpetuating muscle injury is unknown. The present study was aimed at evaluating the potential role of commercial tobacco smoke as a direct cause of skeletal muscle injury in experimental conditions. Seventy Wistar rats (170 - 250 g) were assigned to smoking (n = 49) or non-smoking (n = 21) groups. The smoking groups were submitted to a single or multiple (i.e., five or thirty) daily sessions of cigarette smoking in an inhalatory chamber (time length: 2 h each session). The level of exposure was constant and assessed by CO concentrations (50 ppm) and serum cotinine analysis. Animals submitted to a single smoke exposure and the corresponding controls were euthanized in groups at 0 h, 2 h, 4 h, 24 h or 48 h after completing the exposure. Animals submitted to multiple exposures were euthanized at 0 h after smoking. Samples from vastus lateralis muscle were obtained and processed for assessing cell injury and selected protein expression. Monoclonal anti-albumin antibodies were used to identify muscle fibers with sarcolemmal (membrane) injury. Subcellular muscle injury was assessed using transmission electron microscopy (EM). MyoD, myogenin and α-tubulin were immunodetected using western blot techniques. Exposure to cigarette smoke associated with significant membrane damage (mean relative difference (MRD) with controls: +181%, p = 0.004) and sarcomere disruptions (MRD: +226%, p = 0.001). Expression of MyoD and myogenin (normalized to α-tubulin) were significantly increased at 4 h and remained increased at 48 h post-exposure. We conclude that not only a single but also consecutive exposure to tobacco smoke have acute deleterious effects on peripheral muscle structure. A rapid induction of subrogate markers of skeletal muscle stress and repair processes associates to sarcolemmal and

关键词： Skeletal Muscle Muscle Injury Muscle Regeneration Quadriceps Cigarette Smoking

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