Correlation between serum bilirubin levels and motor symptoms in Parkinson' s disease
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摘要:
目的 探究血清胆红素(BI)水平与帕金森病(PD)临床症状(运动症状、非运动症状)的关系,为揭示PD发病机制及寻找潜在的生物学标志物提供理论依据。 方法 回顾性分析2021年7月—2024年7月于安徽医科大学附属宿州医院就诊的102例PD患者和102例健康体检者(HC)的临床资料。PD患者根据Hoehn-Yahr分期分为早期组(65例)和中晚期组(37例)。比较PD组和HC组、早期组和中晚期组组间总胆红素(TBIL)、直接胆红素(DBIL)、间接胆红素(IBIL)水平,分析血清BI水平与PD患者年龄、运动症状[帕金森病统一评分量表(UPDRS)-Ⅲ评分、Berg平衡量表]和非运动症状(蒙特利尔认知评估量表、汉密尔顿抑郁量表)的相关性。 结果 102例PD组患者中,男性50例,女性52例,年龄为71(64,76)岁。PD组TBIL、DBIL均高于HC组(P < 0.05)。中晚期组TBIL[(16.04±6.73)μmol/L vs. (13.41±4.07)μmol/L, P=0.035]、IBIL[(11.01±5.05)μmol/L vs. (9.16±2.73)μmol/L, P=0.045]水平均高于早期组。Spearman相关分析显示,PD患者的运动症状严重程度(UPDRS-Ⅲ评分)与DBIL(rs=0.325,P < 0.001)水平呈正相关关系。 结论 与健康体检者比较,PD患者的血清DBIL水平明显升高,且与PD运动症状呈正相关关系,通过检测和降低血清DBIL水平等可能对延缓PD运动症状进展有一定的作用。 Abstract:Objective To investigate the relationship between serum bilirubin levels and clinical symptoms (motor and non-motor symptoms) of Parkinson' s disease (PD), and to provide a theoretical basis for unraveling the pathogenesis of PD and searching for potential biological markers. Methods A retrospective analysis was conducted on clinical data from 102 PD patients and 102 healthy controls (HC) treated at Suzhou Hospital of Anhui Medical University between July 2021 and July 2024. The PD patients were divided into the early-stage group (65 patients) and the moderate-late-stage group (37 patients) according to Hoehn-Yahr staging. The levels of total bilirubin (TBIL), direct bilirubin (DBIL), and indirect bilirubin (IBIL) were compared between the PD and HC groups, as well as between the early- and middle-late-stage groups. In addition, the relationships between serum bilirubin levels and the age of the PD patients, motor symptoms [unified Parkinson' s disease rating scale (UPDRS)-Ⅲ scores, Berg balance scale] and non-motor symptoms (Montreal cognitive assessment scale, Hamilton depression scale) were analyzed. Results Among the 102 patients with PD (50 males and 52 females), the median age was [71 (64, 76)] years. Compared with the HC group, the PD group had significantly higher serum TBIL and DBIL (P < 0.05). The levels of TBIL [(16.04±6.73) μmol/L vs. (13.41±4.07) μmol/L, P=0.035] and IBIL [(11.01±5.05) μmol/L vs. (9.16±2.73) μmol/L, P=0.045] in the moderate-late-stage group were higher than those in the early-stage group. In PD patients, Spearman correlation analysis showed that the severity of motor symptoms (UPDRS-Ⅲ score) was positively correlated with DBIL (rs=0.325, P < 0.001). Conclusion The serum levels of TBIL and DBIL in PD patients were significantly increased compared to healthy controls and were correlated with motor symptoms. DBIL may serve as a potential biomarker for assessing disease progression of PD. -
Key words:
- Parkinson' s disease /
- Motor symptoms /
- Bilirubin /
- Total bilirubin /
- Direct bilirubin /
- Indirect bilirubin
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表 1 PD组与HC组研究对象一般资料及血清BI水平比较
Table 1. Comparison of general data and serum BI levels between PD group and HC group
组别 例数 性别[例(%)] 年龄
[M(P25, P75), 岁]有吸烟史
[例(%)]有饮酒史
[例(%)]有糖尿病史
[例(%)]有高血压病史
[例(%)]TBIL
[M(P25, P75), μmol/L]DBIL
[M(P25, P75), μmol/L]IBIL
[M(P25, P75), μmol/L]男性 女性 PD组 102 50(49.02) 52(50.98) 71(64, 76) 9(8.82) 3(2.94) 22(21.57) 50(49.02) 13.65(10.80, 16.90) 4.20(2.90, 5.40) 9.35(7.20, 11.90) HC组 102 44(43.14) 58(56.86) 69(65, 73) 7(6.86) 8(7.84) 28(27.45) 44(43.14) 12.05(9.90, 14.90) 3.30(2.70, 4.00) 8.80(7.10, 11.10) 统计量 0.710a -1.651b 0.271a 2.402a 0.954a 0.710a -2.498b -4.484b -1.083b P值 0.399 0.099 0.602 0.121 0.329 0.399 0.012 < 0.001 0.279 注:a为χ2值,b为Z值。 表 2 早期组与中晚期组PD患者血清BI水平比较(μmol/L)
Table 2. Comparison of serum BI levels (μmol/L) between early PD and moderate-to-late PD groups (μmol/L)
组别 例数 TBIL(x±s) DBIL[M(P25, P75)] IBIL(x±s) 早期组 65 13.41±4.07 4.10(2.80, 4.90) 9.16±2.73 中晚期组 37 16.04±6.73 4.50(3.30, 6.20) 11.01±5.05 统计量 2.166a -1.856b 2.062a P值 0.035 0.063 0.045 注:a为t值,b为Z值。 表 3 血清BI水平与年龄及各量表评分的相关性分析
Table 3. Correlation analysis of serum BI levels with age and various scale scores
项目 TBIL DBIL IBIL 统计量 P值 统计量 P值 统计量 P值 年龄 0.139a 0.162 0.181a 0.068 0.135a 0.175 UPDRS-Ⅲ评分 0.280a 0.004 0.325a < 0.001 0.248b 0.012 MoCA评分 -0.066a 0.513 -0.003a 0.973 -0.167b 0.094 HAMD评分 -0.061a 0.539 -0.082a 0.412 -0.044a 0.660 BBS评分 -0.225a 0.023 -0.263a 0.008 -0.201a 0.042 注:a为rs值,b为r值。 -
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