Matrix protein microarrays for spatially and compositionally controlled microspot thrombosis under laminar flow.

Matrix protein microarrays for spatially and compositionally controlled microspot thrombosis under laminar flow. Research Abstract Details 

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Matrix protein microarrays for spatially and compositionally controlled microspot thrombosis under laminar flow. Abstract Text:

Uzoma M Okorie,Scott L Diamond,

Microarraying allows the spatial and compositional control of surfaces, typically for the purpose of binding reactions. Collagen and/or von Willebrand Factor (vWF) in 5% glycerol was contact printed onto glass slides to create defined microspots (176-microm diameter) of adsorbed protein without sample dehydration. The arrays were mounted on flow chambers allowing video microscopy during perfusion (wall shear rate of 100-500 s(-1)) of recalcified corn trypsin inhibitor-treated whole blood or platelet rich plasma and subsequent array scanning via anti-GPIbalpha and anti-fibrin(ogen) immunofluorescence. To mimic the subendothelial matrix, vWF was microarrayed over sonicated type I collagen microspots. For whole blood perfusion (500 s(-1), 10 min) over collagen, vWF, and collagen/vWF microspots, the amount of platelet deposition on the collagen/vWF spots was approximately 2 times greater in comparison to the collagen spots and approximately 18 times greater in comparison to the vWF spots. The amount of fibrin(ogen) deposition on the collagen/vWF spots was approximately 2 times greater in comparison to the collagen spots and approximately 4 times greater in comparison to the vWF spots. This protocol allowed for highly uniform (CV = 18%) and precisely located thrombus formation at a density of >or=400 spots/cm(2). Microarrays are ideal for the combinatorial assembly of adhesive and procoagulant proteins to study thrombosis as well as to study axial and lateral transport effects between discrete microspots of distinct composition.

Matrix protein microarrays for spatially and compositionally controlled microspot thrombosis under laminar flow. Publishing Authors By Initials

UM Okorie,SL Diamond,

For similar cardiovascular diseases: vascular diseases: embolism and thrombosis: thrombosis research abstracts see: cardiovascular diseases: vascular diseases: embolism and thrombosis: thrombosis research

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Matrix protein microarrays for spatially and compositionally controlled microspot thrombosis under laminar flow. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Biophysical journal

VOLUME: 91

Page Numbers: 3474-81

Journal Abbreviation: Biophys. J.

ISSN: 0006-3495

DAY: 11

MONTH: 08

YEAR: 2006

Matrix protein microarrays for spatially and compositionally controlled microspot thrombosis under laminar flow. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 370626

Matrix protein microarrays for spatially and compositionally controlled microspot thrombosis under laminar flow. Keywords Mesh Terms:

KEYWORDS: Thrombosis

MESH TERMS: pathology

Chemical & Substance for Abstract: Matrix protein microarrays for spatially and compositionally controlled microspot thrombosis under laminar flow. Information

Substance Name: Blood Proteins

Registry Number: 0

Grant and Affiliation Information for Matrix protein microarrays for spatially and compositionally controlled microspot thrombosis under laminar flow.

AFFILIATION: Department of Chemical and Biomolecular Engineering, Penn Center for Molecular Discovery, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, 19104, USA.

Country: United States

AGENCY: United States NHLBI

GRANT: HL56621

ACRONYM: HL

MEDLINETA: Biophys J

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