Determination of the adhesive capability of canine polymorphonuclear neutrophil granulocytes using a fluorometric microtiter plate cellular adhesion assay
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Determination of the adhesive capability of canine polymorphonuclear neutrophil granulocytes using a fluorometric microtiter plate cellular adhesion assay. / Petersen, Thomas Kongstad; Væver Bysted, Britta; Jensen, Asger Lundorff.
In: Veterinary Immunology and Immunopathology, Vol. 68, No. 2-4, 05.1999, p. 283-291.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Determination of the adhesive capability of canine polymorphonuclear neutrophil granulocytes using a fluorometric microtiter plate cellular adhesion assay
AU - Petersen, Thomas Kongstad
AU - Væver Bysted, Britta
AU - Jensen, Asger Lundorff
PY - 1999/5
Y1 - 1999/5
N2 - A rapid fluorometric cellular adhesion assay in microtiter plates was evaluated for canine polymorphonuclear neutrophil granulocytes (PMN) using the fluorescent indicator calcein acetoxymethyl ester (Calcein AM). Optimum adhesive responsiveness occurred in bovine serum albumin (BSA)-coated plates after 30 min incubation at 37°C with 5 x 105 PMN in 100 μl per well using phorbol myristate acetate (PMA, 100 ng/ml) as stimulant. The adhesive responsiveness for 15 laboratory beagle dogs was determined and the mean percentage of adherence for unstimulated (2.9%) and stimulated (74.3%) PMN and corresponding 95% confidence intervals was determined. The mean intra- assay coefficient of variation (CV(intra)) for unstimulated and stimulated adhesion in the assay was: CV(intra) = 12.9% and CV(intra) = 4.1%, respectively. The mean inter-assay coefficient of variation (CV(inter)) for unstimulated and stimulated adhesion, respectively, in the assay was: CV(inter) = 22.9% and CV(inter) = 5.6%. The assay was highly reproducible and labelling with Calcein AM neither reduced PMN viability nor activated the PMN.
AB - A rapid fluorometric cellular adhesion assay in microtiter plates was evaluated for canine polymorphonuclear neutrophil granulocytes (PMN) using the fluorescent indicator calcein acetoxymethyl ester (Calcein AM). Optimum adhesive responsiveness occurred in bovine serum albumin (BSA)-coated plates after 30 min incubation at 37°C with 5 x 105 PMN in 100 μl per well using phorbol myristate acetate (PMA, 100 ng/ml) as stimulant. The adhesive responsiveness for 15 laboratory beagle dogs was determined and the mean percentage of adherence for unstimulated (2.9%) and stimulated (74.3%) PMN and corresponding 95% confidence intervals was determined. The mean intra- assay coefficient of variation (CV(intra)) for unstimulated and stimulated adhesion in the assay was: CV(intra) = 12.9% and CV(intra) = 4.1%, respectively. The mean inter-assay coefficient of variation (CV(inter)) for unstimulated and stimulated adhesion, respectively, in the assay was: CV(inter) = 22.9% and CV(inter) = 5.6%. The assay was highly reproducible and labelling with Calcein AM neither reduced PMN viability nor activated the PMN.
KW - Adhesion-assay
KW - Calcein AM
KW - Canine
KW - Fluorescent
KW - Microtiter plates
KW - Neutrophils
UR - http://www.scopus.com/inward/record.url?scp=0344848801&partnerID=8YFLogxK
U2 - 10.1016/S0165-2427(99)00016-1
DO - 10.1016/S0165-2427(99)00016-1
M3 - Journal article
C2 - 10438326
AN - SCOPUS:0344848801
VL - 68
SP - 283
EP - 291
JO - Veterinary Immunology and Immunopathology
JF - Veterinary Immunology and Immunopathology
SN - 0165-2427
IS - 2-4
ER -
ID: 255558580