Search results for "Alzheimer'disease"

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Haptoglobin interacts with apolipoprotein E and beta-amyloid and influences their crosstalk.

2014

Beta-amyloid accumulation in brain is a driving force for Alzheimer's disease pathogenesis. Apolipoprotein E (ApoE) represents a critical player in beta-amyloid homeostasis, but its role in disease progression is controversial. We previously reported that the acute-phase protein haptoglobin binds ApoE and impairs its function in cholesterol homeostasis. The major aims of this study were to characterize the binding of haptoglobin to beta-amyloid, and to evaluate whether haptoglobin affects ApoE binding to beta-amyloid. Haptoglobin is here reported to form a complex with beta-amyloid as shown by immunoblotting experiments with purified proteins, or by its immunoprecipitation in brain tissues …

Apolipoprotein EMalePhysiologyDiseaseBeta-amyloidBiochemistryAmyloid beta-Protein PrecursorAlzheimer' diseasepolycyclic compoundsskin and connective tissue diseasesapolipoprotein EbiologyChemistryMedicine (all)Haptoglobinfood and beveragesBrainApoE/A? complexGeneral MedicineMiddle AgedhaptoglobinCrosstalk (biology)ApoE/Aβ complexSettore MED/26 - Neurologialipids (amino acids peptides and proteins)FemaleAlzheimer's diseaseProtein BindingAdultmedicine.medical_specialtyImmunoprecipitationCognitive NeuroscienceEnzyme-Linked Immunosorbent AssayCHO CellsTransfectionAlzheimer' disease; ApoE/Aβ complex; Apolipoprotein E; Beta-amyloid; Haptoglobin; Human brain tissue; Adult; Aged; Alzheimer Disease; Amyloid beta-Peptides; Amyloid beta-Protein Precursor; Analysis of Variance; Animals; Apolipoproteins E; Brain; CHO Cells; Cricetulus; Enzyme-Linked Immunosorbent Assay; Female; Haptoglobins; Humans; Immunoprecipitation; Male; Middle Aged; Mutation; Protein Binding; Transfection; Biochemistry; Cell Biology; Physiology; Cognitive Neuroscience; Medicine (all)NOApolipoproteins ECricetulusAlzheimer DiseaseInternal medicinemental disordersmedicineAnimalsHumansImmunoprecipitationAgedAnalysis of VarianceAmyloid beta-PeptidesHaptoglobinsNeurotoxicityAlzheimer’diseaseCell Biologymedicine.diseasehuman brain tissueEndocrinologyMutationbiology.proteinAlzheimer'diseaseHomeostasisACS chemical neuroscience
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