Page 106 - 南京医科大学自然版
P. 106
第44卷第6期
·842 · 南 京 医 科 大 学 学 报 2024年6月
A 15 r=0.347,P=0.028 B 3 r=-0.428,P=0.006 C 15 r=0.799,P < 0.001 D 2.5 r=0.506,P=0.001
(×10 9 /L) 10 (×10 9 /L) 2 NLR 10 (ng/mL) 2.0
1.5
WBC 5 LYMT 1 5 PCT 1.0
0.5
0 0 0 0
0 2 4 6 8 10 0 2 4 6 8 10 0 2 4 6 8 10 0 2 4 6 8 10
PMN⁃MDSC(%) PMN⁃MDSC(%) PMN⁃MDSC(%) PMN⁃MDSC(%)
E F J H
5 r=-0.450,P=0.002 800 r=-0.462,P=0.003 15 r=0.470,P=0.002 45 r=0.481,P=0.002
4 600
3 (mmol/L) 10 30
INR 400 CTP MELD
2
TBil 5 15
1 200
0 0 0 0
0 2 4 6 8 10 0 2 4 6 8 10 0 2 4 6 8 10 0 2 4 6 8 10
PMN⁃MDSC(%) PMN⁃MDSC(%) PMN⁃MDSC(%) PMN⁃MDSC(%)
A-D:Spearman correlation analysis of peripheral blood PMN⁃MDSC frequency with inflammation markers such as WBC(A),LYMT(B),NLR(C),
and PCT(D)in HBV⁃ACLF patients. E-H:Spearman correlation analysis of peripheral blood PMN⁃MDSC frequency with disease severity markers such
as INR(E),TBil(F),CTP score(G),and MELD score(H)in HBV⁃ACLF.
图2 HBV⁃ACLF患者外周血PMN⁃MDSC频率与炎症指标、疾病严重度的Spearman相关性分析
Figure 2 Spearman correlation analysis of peripheral blood PMN⁃MDSC frequency with inflammation markers and dis⁃
ease severity in HBV⁃ACLF patients
病阶段等因素 [6-7] 。HBV是一种嗜肝病毒,通过持续 定变化。Zeng 等 [18] 研究表明,HBV⁃ACLF 外周血
诱导适应性免疫应答和固有免疫应答,造成肝细胞 MDSC水平明显高于CHB,外周血MDSC频率与TBil、
损伤及伴随的肝脏炎症、纤维化乃至癌变 [11] 。多项 INR、ALT 水平呈明显正相关,与 HBsAg、HBeAg、
研究表明,M⁃MDSC 是 CHB 患者体内 MDSC 主要亚 HBV DNA水平无相关性。Nan等 [19] 研究表明,乙肝
群,HBsAg 和 HBeAg 是 M⁃MDSC 扩增的重要诱导因 肝硬化所致 HCC 患者外周血和肝脏中 PMN⁃MDSC
素;M⁃MDSC可通过分泌一氧化氮、精氨酸酶⁃1、白介 水平明显高于非HCC患者。
素⁃10等,抑制HBV特异性CD4 /CD8 T淋巴细胞的 本研究比较了3组研究对象两群MDSC 表达水
+
+
增殖和活化,导致HBV持续感染与疾病进展 [15-17] 。当 平差异,结果显示,HBV⁃ACLF外周血两群MDSC频
CHB 发展至终末期肝病阶段,患者体内免疫微环 率均高于 CHB 组和 HC 组,且 HBV⁃ACLF 组外周血
境更加复杂,MDSC 表达水平和亚群构成亦发生一 PMN⁃MDSC 频率明显高于 CHB 组;CHB 组外周血
A P < 0.001 B P < 0.001 C P < 0.001
(%) 10 8 (%) 10 8 (%) 10 8
PMN⁃MDSC 6 4 2 PMN⁃MDSC 6 4 2 PMN⁃MDSC 6 4 2
0 0 0
Control With infection Control With infection Control Poor 28⁃day
at admission during hospitalization prognosis
A:Comparison of the PMN⁃MDSC frequencies between patients with infection at admission(n=18)and the controls(n=22). B:Comparison of the
PMN⁃MDSC frequencies between patients with infection during hospitalization(n=17)and the controls(n=23). C:Comparison of the PMN⁃MDSC fre⁃
quencies between patients with poor 28⁃day prognosis(n=21)and the controls(n=19).
图3 入院时合并感染、住院期间继发感染及28 d预后差HBV⁃ACLF患者与对照组外周血PMN⁃MDSC频率比较
Figure 3 Comparison of PMN⁃MDSC frequencies in peripheral blood between HBV⁃ACLF patients with co⁃infection on ad⁃
mission,secondary infection during hospitalization,and poor 28⁃day prognosis and controls