Deep venous thrombosis: behaviour of the polymorphonuclear leukocyte integrin pattern at baseline and after in vitro activation

Baldassare Canino, Filippo Ferrara, Rosalia Lo Presti, Gregorio Caimi, Maria Giuliana Tozzi Ciancarelli, Gregorio Caimi, Vincenzo Calandrino

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Abstract

In a group of 18 subjects with acute deep venous thrombosis (DVT), evidenced by clinical examination and echo-color-Doppler, we examined the phenotypical expression of the polymorphonuclear leukocyte (PMN) beta2-integrins (CD11a, CD11b, CD11c, CD18), obtained by using a flow cytofluorimeter. The evaluation was performed before and after in vitro activation (prolonged for 5 and 15 minutes) with 4-phorbol 12-myristate 13-acetate (PMA) and N-formyl-methionyl-leucyl-phenylalanine (fMLP). In DVT subjects, at baseline, the phenotypical expression of CD11b was decreased and that of CD11c was increased when compared with normal controls; no difference was found in CD11a and CD18 expression. In normal subjects PMN activation with both activators led to a constant increase of all PMN adhesion molecules; in DVT subjects CD11b, CD11c and CD18 increased, while CD11a expression did not show any change. These data indicate the presence of a functional alteration in circulating PMN cells from patients with DVT.
Lingua originaleEnglish
pagine (da-a)11-17
Numero di pagine7
RivistaDefault journal
Volume33
Stato di pubblicazionePublished - 2005

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Integrins
Venous Thrombosis
Neutrophils
CD18 Antigens
N-Formylmethionine Leucyl-Phenylalanine
Cell Adhesion Molecules
Acetates
Color
In Vitro Techniques

All Science Journal Classification (ASJC) codes

  • Physiology
  • Hematology
  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

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title = "Deep venous thrombosis: behaviour of the polymorphonuclear leukocyte integrin pattern at baseline and after in vitro activation",
abstract = "In a group of 18 subjects with acute deep venous thrombosis (DVT), evidenced by clinical examination and echo-color-Doppler, we examined the phenotypical expression of the polymorphonuclear leukocyte (PMN) beta2-integrins (CD11a, CD11b, CD11c, CD18), obtained by using a flow cytofluorimeter. The evaluation was performed before and after in vitro activation (prolonged for 5 and 15 minutes) with 4-phorbol 12-myristate 13-acetate (PMA) and N-formyl-methionyl-leucyl-phenylalanine (fMLP). In DVT subjects, at baseline, the phenotypical expression of CD11b was decreased and that of CD11c was increased when compared with normal controls; no difference was found in CD11a and CD18 expression. In normal subjects PMN activation with both activators led to a constant increase of all PMN adhesion molecules; in DVT subjects CD11b, CD11c and CD18 increased, while CD11a expression did not show any change. These data indicate the presence of a functional alteration in circulating PMN cells from patients with DVT.",
author = "Baldassare Canino and Filippo Ferrara and {Lo Presti}, Rosalia and Gregorio Caimi and {Tozzi Ciancarelli}, {Maria Giuliana} and Gregorio Caimi and Vincenzo Calandrino",
year = "2005",
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T1 - Deep venous thrombosis: behaviour of the polymorphonuclear leukocyte integrin pattern at baseline and after in vitro activation

AU - Canino, Baldassare

AU - Ferrara, Filippo

AU - Lo Presti, Rosalia

AU - Caimi, Gregorio

AU - Tozzi Ciancarelli, Maria Giuliana

AU - Caimi, Gregorio

AU - Calandrino, Vincenzo

PY - 2005

Y1 - 2005

N2 - In a group of 18 subjects with acute deep venous thrombosis (DVT), evidenced by clinical examination and echo-color-Doppler, we examined the phenotypical expression of the polymorphonuclear leukocyte (PMN) beta2-integrins (CD11a, CD11b, CD11c, CD18), obtained by using a flow cytofluorimeter. The evaluation was performed before and after in vitro activation (prolonged for 5 and 15 minutes) with 4-phorbol 12-myristate 13-acetate (PMA) and N-formyl-methionyl-leucyl-phenylalanine (fMLP). In DVT subjects, at baseline, the phenotypical expression of CD11b was decreased and that of CD11c was increased when compared with normal controls; no difference was found in CD11a and CD18 expression. In normal subjects PMN activation with both activators led to a constant increase of all PMN adhesion molecules; in DVT subjects CD11b, CD11c and CD18 increased, while CD11a expression did not show any change. These data indicate the presence of a functional alteration in circulating PMN cells from patients with DVT.

AB - In a group of 18 subjects with acute deep venous thrombosis (DVT), evidenced by clinical examination and echo-color-Doppler, we examined the phenotypical expression of the polymorphonuclear leukocyte (PMN) beta2-integrins (CD11a, CD11b, CD11c, CD18), obtained by using a flow cytofluorimeter. The evaluation was performed before and after in vitro activation (prolonged for 5 and 15 minutes) with 4-phorbol 12-myristate 13-acetate (PMA) and N-formyl-methionyl-leucyl-phenylalanine (fMLP). In DVT subjects, at baseline, the phenotypical expression of CD11b was decreased and that of CD11c was increased when compared with normal controls; no difference was found in CD11a and CD18 expression. In normal subjects PMN activation with both activators led to a constant increase of all PMN adhesion molecules; in DVT subjects CD11b, CD11c and CD18 increased, while CD11a expression did not show any change. These data indicate the presence of a functional alteration in circulating PMN cells from patients with DVT.

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