Cross-sectional study of soluble selectins, fractions of circulating microparticles and their relationship to lung and skin involvement in systemic sclerosis
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Cross-sectional study of soluble selectins, fractions of circulating microparticles and their relationship to lung and skin involvement in systemic sclerosis. / Iversen, Line V; Ullman, Susanne; Østergaard, Ole; Nielsen, Christoffer T; Halberg, Poul; Karlsmark, Tonny; Heegaard, Niels H. H.; Jacobsen, Søren.
I: BMC Musculoskeletal Disorders, Bind 16, 191, 2015.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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T1 - Cross-sectional study of soluble selectins, fractions of circulating microparticles and their relationship to lung and skin involvement in systemic sclerosis
AU - Iversen, Line V
AU - Ullman, Susanne
AU - Østergaard, Ole
AU - Nielsen, Christoffer T
AU - Halberg, Poul
AU - Karlsmark, Tonny
AU - Heegaard, Niels H. H.
AU - Jacobsen, Søren
PY - 2015
Y1 - 2015
N2 - BACKGROUND: Endothelial damage and activation may play central roles in the pathogenesis of systemic sclerosis (SSc) and are reflected by microparticles (MPs) and soluble selectins. The objective of this study was to determine if these potential biomarkers are associated with specific organ involvements or cutaneous subgroups of SSc patients.METHOD: MPs in platelet-poor plasma from 121 patients with SSc, 79 and 42 with limited and diffuse cutaneous disease, respectively, were characterized by flow cytometry for their capacity to bind annexin V in combination with surface markers of either platelets (PMPs), leukocytes (LMPs) or endothelial cells (EMPs). Soluble E- and P-selectin levels were determined in plasma. By correlation analyses, this was held against involvement of skin, lung function, lung fibrosis, pulmonary artery hypertension, and serology.RESULTS: None of the markers were associated with cutaneous subgroups of SSc. Concentrations of annexin V non-binding EMPs and annexin V non-binding LMPs were negatively correlated to pulmonary diffusing capacity (DLCO) (r = -0.28; p = 0.003; r = -0.26; p = 0.005) and forced vital capacity (FVC) (r = -0.24; p = 0.009; r = -0.29; p = 0.002), driven by patients with limited and diffuse cutaneous disease, respectively. Soluble E-selectin levels correlated negatively to DL(CO) (r = -0.21, p = 0.03) and FVC (r = -0.25; p = 0.007); and soluble P-selectin correlated negatively to DL(CO) (r = -0.23, p = 0.01).CONCLUSION: Negative correlations between annexin V non-binding EMP and LMP concentrations with lung function parameters (DL(CO) and FVC) differed between limited and diffuse cutaneous subsets of SSc, indicative of various pathogeneses of lung involvement in SSc, possibly with a differential role of MPs.
AB - BACKGROUND: Endothelial damage and activation may play central roles in the pathogenesis of systemic sclerosis (SSc) and are reflected by microparticles (MPs) and soluble selectins. The objective of this study was to determine if these potential biomarkers are associated with specific organ involvements or cutaneous subgroups of SSc patients.METHOD: MPs in platelet-poor plasma from 121 patients with SSc, 79 and 42 with limited and diffuse cutaneous disease, respectively, were characterized by flow cytometry for their capacity to bind annexin V in combination with surface markers of either platelets (PMPs), leukocytes (LMPs) or endothelial cells (EMPs). Soluble E- and P-selectin levels were determined in plasma. By correlation analyses, this was held against involvement of skin, lung function, lung fibrosis, pulmonary artery hypertension, and serology.RESULTS: None of the markers were associated with cutaneous subgroups of SSc. Concentrations of annexin V non-binding EMPs and annexin V non-binding LMPs were negatively correlated to pulmonary diffusing capacity (DLCO) (r = -0.28; p = 0.003; r = -0.26; p = 0.005) and forced vital capacity (FVC) (r = -0.24; p = 0.009; r = -0.29; p = 0.002), driven by patients with limited and diffuse cutaneous disease, respectively. Soluble E-selectin levels correlated negatively to DL(CO) (r = -0.21, p = 0.03) and FVC (r = -0.25; p = 0.007); and soluble P-selectin correlated negatively to DL(CO) (r = -0.23, p = 0.01).CONCLUSION: Negative correlations between annexin V non-binding EMP and LMP concentrations with lung function parameters (DL(CO) and FVC) differed between limited and diffuse cutaneous subsets of SSc, indicative of various pathogeneses of lung involvement in SSc, possibly with a differential role of MPs.
KW - Adult
KW - Aged
KW - Biomarkers
KW - Cell-Derived Microparticles
KW - Cross-Sectional Studies
KW - E-Selectin
KW - Female
KW - Humans
KW - Lung
KW - Male
KW - Middle Aged
KW - P-Selectin
KW - Scleroderma, Systemic
KW - Skin
KW - Young Adult
U2 - 10.1186/s12891-015-0653-8
DO - 10.1186/s12891-015-0653-8
M3 - Journal article
C2 - 26265409
VL - 16
JO - B M C Musculoskeletal Disorders
JF - B M C Musculoskeletal Disorders
SN - 1471-2474
M1 - 191
ER -
ID: 162495343