0000000000336196

AUTHOR

J. F. Garcia-lazaro

showing 3 related works from this author

Liver fibrosis induced by hepatic overexpression of PDGF-B in transgenic mice

2006

Background/Aims In hepatic fibrogenesis, stellate cells are activated leading to production and deposition of extracellular matrix. To clarify the role of PDGF-B in liver fibrogenesis, we overexpressed PDGF-B in the liver of transgenic mice. Methods Transgenic mice for the conditional overexpression of PDGF-B in the liver under control of an albumin promoter were generated utilising the Cre/loxP system. Constitutive PDGF-B expression was achieved after breeding with mice expressing Cre-recombinase under actin promoter control. Tamoxifen inducible expression was achieved after breeding with mice expressing Cre under transthyretin receptor promoter control. Levels of fibrosis were assessed an…

Liver Cirrhosismedicine.medical_specialtyPlatelet-derived growth factorLiver cytologyTransgeneMice TransgenicBiologyMicechemistry.chemical_compoundTransforming Growth Factor betaFibrosisInternal medicinemedicineAnimalsPromoter Regions GeneticCells CulturedCell ProliferationIntegrasesHepatologyTransdifferentiationCell DifferentiationProto-Oncogene Proteins c-sisFibroblastsmedicine.diseaseExtracellular MatrixEndocrinologyGene Expression RegulationLiverchemistryHepatocytesCancer researchHepatic stellate cellHepatic fibrosisMyofibroblastJournal of Hepatology
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In vivo molecular and morphological imaging by real time confocal mini-microscopy

2006

We evaluated a newly developed miniaturized confocal laser microscopy probe for real-time in vivo molecular and morphological imaging of normal, inflammatory, and malignant tissue in rodents. In the rigid mini-microscopy probe (diameter 7 mm), a single line laser delivers an excitation wavelength of 488 nm. Optical slice thickness is 7 μm, lateral resolution 0.7 μm. The range of the z-axis is 0 - 250 μm below the tissue surface. Organ systems were examined in vivo in rodent models of human diseases. FITC-labeled Lycopersion esculentum lectin was injected or selected cell populations stained for molecular targeting. Morphological imaging was performed using fluorescein sodium, FITC-labeled d…

ChemistryIn vivoConfocal microscopylawConfocalMicroscopyFluorescence microscopeCell migrationMolecular imagingBiomedical engineeringlaw.inventionStainingSPIE Proceedings
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MORT1/FADD is involved in liver regeneration

2006

AIM: To explore the role of the adaptor molecule in liver regeneration after partial hepatectomy (PH). METHODS: We used transgenic mice expressing an N-terminal truncated form of MORT1/FADD under the control of the albumin promoter. As previously shown, this transgenic protein abrogated CD95- and CD120a-mediated apoptosis in the liver. Cyclin A expression was detected using Western blotting. ELISA and RT-PCR were used to detect IL-6 and IL-6 mRNA, respectively. DNA synthesis in liver tissue was measured by BrdU staining. RESULTS: Resection of 70% of the liver was followed by a reduced early regenerative response in the transgenic group at 36 h. Accordingly, 36 h after hepatectomy, cyclin A …

Malemedicine.medical_specialtyFas-Associated Death Domain Proteinmedicine.medical_treatmentTransgeneCyclin AApoptosisMice TransgenicCyclin AMiceInternal medicinemedicineAnimalsHepatectomyFADDAdaptor Proteins Signal TransducingCell ProliferationbiologyInterleukin-6GastroenterologyGeneral MedicineFas receptorMolecular biologyPeptide FragmentsLiver regenerationLiver RegenerationBlotBasic ResearchEndocrinologyApoptosisbiology.proteinHepatectomyWorld Journal of Gastroenterology
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