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Monocyte subsets and monocyte-related chemokines in Takayasu arteritis
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Monocyte subsets and monocyte-related chemokines in Takayasu arteritis
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Journal Article
Monocyte subsets and monocyte-related chemokines in Takayasu arteritis
2023
Overview
The pathogenesis of Takayasu arteritis (TAK) is poorly understood and no previous studies have analyzed monocytes in TAK. This study evaluated monocyte subsets and monocyte-related chemokines in the peripheral blood of TAK patients and healthy controls (HC). Monocyte subsets were identified as classical (CD14
+
CD16
−
), intermediate (CD14
+
CD16
dim
), and non-classical (CD14
dim
CD16
high
) in the peripheral blood. The chemokines CCL (C–C chemokine ligand)2, CCL3, CCL4, CCL5, CCL7, CXCL (C-X-C motif ligand)10, and CX3CL (C-X3-C motif ligand)1 were measured in the sera. Thirty-two TAK patients and 30 HC were evaluated. Intermediate monocytes were higher in TAK than HC [25.0 cells ×10
6
/L (16.7–52.0) vs. 17.2 cells ×10
6
/L (9.2–25.3);
p
= 0.014]. Active disease was associated with monocytosis (
p
= 0.004
)
, increased classical (
p
= 0.003), and intermediate (
p
< 0.001) subsets than HC. Prednisone reduced the percentage of non-classical monocytes (
p
= 0.011). TAK patients had lower CCL3 (
p
= 0.033) and CCL4 (
p
= 0.023) levels than HC, whereas CCL22 levels were higher in active TAK compared to the remission state (
p
= 0.008). Glucocorticoids were associated with lower CXCL10 levels (
p
= 0.012). In TAK, CCL4 correlated with total (Rho = 0.489;
p
= 0.005), classical and intermediate monocytes (Rho = 0.448;
p
= 0.010 and Rho = 0.412;
p
= 0.019). In conclusion, TAK is associated with altered counts of monocyte subsets in the peripheral blood compared to HC and CCL22 is the chemokine with the strongest association with active disease in TAK.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
