MycoBiomDB – Record Details (MyCo_2563)

Biomarker Record Details

Database ID: MyCo_2563
DB IDMyCo_2563
TitleCombination of voriconazole and anidulafungin for treatment of triazole-resistant aspergillus fumigatus in an in vitro model of invasive pulmonary aspergillosis
Year2012
PMID22825124
Fungal Diseases involvedInvasive pulmonary aspergillosis
Associated Medical ConditionNone
GenusAspergillus
Speciesfumigatus
OrganismAspergillus fumigatus
Ethical StatementNone
Site of InfectionNone
Opportunistic invasiveInvasive
Sample typeBody fluid
Sample sourceSerum
Host GroupHuman
Host Common nameHuman
Host Scientific nameHomo sapiens
Biomarker NameGM
Biomarker Full NameGalactomannan
Biomarker TypeDiagnostic
BiomoleculeProtein
Geographical LocationUK
CohortA previously described cell culture model of the human alveolus containing an air-liquid interface was used. Briefly, this model consists of a cellular bilayer con- structed of human pulmonary artery endothelial cells (HPAECs) (Lonza Biologics, Slough, United Kingdom) and human alveolar epithelial cells (A549; LGC Standards, Teddington, United Kingdom) on opposing sides of the polyester membrane of a Transwell insert (Corning Life Sciences, Lowell, MA). The cellular bilayer delineates an air-filled alveolar compartment (above the cellular bilayer) and the fluid-filled endothelial compartment (below the cellular bilayer), which mimics the pulmonary vasculature.
Cohort No.None
Age GroupNone
P ValueNone
SensitivityNone
SpecificityNone
Positive Predictive ValueNone
MICvoriconazole MIC, 0.5 mg/liter, triazole(MICs, 4 to 16 mg/liter),
Fold ChangeNone
PathwayNone
Disease Introduction MechanismInvasive pulmonary aspergillosis (IPA) is a frequent cause of death in immunocompromised patients. Voriconazole is a first- line treatment, but there are increasing reports of triazole resis- tance in Aspergillus fumigatus, which is associated with increased mortality. Other therapeutic options for IPA include lipid formulations of amphotericin B and the echinocandins. However, the echinocandins are not fungicidal in laboratory ani- mal models and are associated with relatively poor outcomes for profoundly immunocompromised patients. Fur- thermore, the use of all formulations of amphotericin B may be limited by infusional toxicity and nephrotoxicity, which may be detrimental to patient outcomes. Further insights into poten- tially effective regimens for treatment of triazole-resistant isolates are urgently required.
TechniqueELISA
Analysis MethodELISA Based
ELISA kitsdouble-sandwich enzyme-linked immunosorbent assay (ELISA) (Platelia Aspergillus kit; Bio-Rad, Hemel Hempstead, United Kingdom)
Assay DataNone
Validation Techniques usedGM-Platelia™ Aspergillus Ag ELISA
Up Regulation Down RegulationIncrease
Sequence DataNone
External LinkNone