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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
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