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Expression of serum soluble triggering receptor expressed on myeloid cells 2 in patients with vascular dementia and its relationship with β-amyloid 1-42 and lipoprotein-associated phospholipase 2 / 中华老年医学杂志
Chinese Journal of Geriatrics ; (12): 523-527, 2022.
Article in Chinese | WPRIM | ID: wpr-933115
ABSTRACT

Objective:

To investigate the expression levels of serum soluble triggering receptor expressed on myeloid cells 2(sTREM2)in patients with vascular dementia(VD)and its relationship with β-amyloid 1-42(Aβ1-42)and lipoprotein-associated phospholipase 2(Lp-PLA2), as well as its value in diagnosis and differential diagnosis.

Methods:

A total of 152 patients with ischemic stroke receiving routine treatment in our hospital from January 2018 to January 2020 were included and divided into a VD group(n=76)and a non-VD group(n=76)according to evaluation from subsequent visits at 3 months.General data, Mini-Mental State Examination Scale(MMSE), Hachinski Ischemic Scale(HIS)scores, and the levels of biochemical indicators were compared and analyzed for the two groups.

Results:

There were statistically significant differences in lesion size between the VD group and the non-VD group( P<0.05). The MMSE score in the VD group was significantly lower than that in the non-VD group.The HIS score, serum levels of sTREM2[(3.34±1.18)μg/L and(2.78±1.25)μg/L, t=2.121, P=0.036], Aβ1-42[(93.69±14.45)ng/L and(81.24±14.21)ng/L, t=4.003, P<0.001]and Lp-PLA2 levels[(58.67±14.15)μg/L and(43.18±13.86)μg/L, t=5.096, P<0.001]were significantly higher in patients with VD than in patients without VD( P<0.05). Serum sTREM2 was positively correlated with Aβ1-42( r=0.723, P<0.001)and Lp-PLA2( r=0.714, P<0.001), and Aβ1-42 was positively correlated with Lp-PLA2( r=0.698, P<0.001)in VD patients.The cut-off value, sensitivity, specificity, and area under the curve of serum sTREM2 for differentiating VD from non-VD were 3.96 μg/L, 81.30%, 78.40%, and 0.838, respectively.

Conclusions:

Serum sTREM2 is abnormally elevated in VD patients, and is significantly correlated with Aβ1-42 and LP-PLA2, thus STREM2 may be an indicator in the differential diagnosis of VD and non-VD.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Geriatrics Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of Geriatrics Year: 2022 Type: Article