胆汁中趋化因子C-X3-C-基元受体1和可溶性CD40配体在肝移植术后肝损伤中的预测价值

杨鹏翔; 高玉雪; 刘欢; 沈昀泰; 臧运金; 陈德喜

doi:10.3969/j.issn.1001-5256.2021.04.023

胆汁中趋化因子C-X3-C-基元受体1和可溶性CD40配体在肝移植术后肝损伤中的预测价值

DOI: 10.3969/j.issn.1001-5256.2021.04.023

杨鹏翔^{1, 2},
高玉雪³,
刘欢^{1, 2},
沈昀泰^{1, 2},
臧运金^{1, 2},
陈德喜^{1, 2, 3, ,}

1.
青岛大学医学部, 山东青岛 266071
2.
青岛大学附属医院器官移植中心, 山东青岛 266003
3.
首都医科大学附属北京佑安医院北京市肝病研究所, 北京 100069

基金项目:

国家自然科学基金 (81672026);

首都卫生发展科研专项 (2018-1-1151);

国家科技重大专项 (2018ZX10302205-005);

北京市自然科学基金-北京市教委联合资助项目 (KZ202010025037)

利益冲突声明：本研究不存在研究者、伦理委员会成员、受试者监护人以及与公开研究成果有关的利益冲突。

作者贡献声明：杨鹏翔、高玉雪负责资料分析，撰写论文；刘欢、沈昀泰参与收集标本；臧运金负责指导撰写文章；陈德喜负责课题设计，拟定写作思路，并最后定稿。

详细信息

作者简介:
杨鹏翔(1994—)，男，主要从事肝病学方面的研究

通信作者:
陈德喜，dexichen@ccmu.edu.cn

中图分类号: R575;R617
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- 被引次数: 0
出版历程
- 收稿日期: 2020-09-03
- 录用日期: 2020-11-18
- 出版日期: 2021-04-20

Value of Fractalkine and soluble CD40 ligand in bile in predicting liver injury after liver transplantation

Pengxiang YANG^{1, 2},
Yuxue GAO³,
Huan LIU^{1, 2},
Yuntai SHEN^{1, 2},
Yunjin ZANG^{1, 2},
Dexi CHEN^{1, 2, 3
, ,}

1.
Qingdao University Medical College, Qingdao, Shandong 266071, China
2.
Center of Organ Transplantation, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, China
3.
Beijing Institute of Hepatology, Beijing YouAn Hospital, Capital Medical University, Beijing 100069, China

摘要

摘要: 目的探究胆汁中细胞因子联合临床指标对肝移植术后肝损伤程度的预测作用。方法选取2018年1月—12月青岛大学附属医院器官移植中心收治的16例肝移植患者。按术后第1天ALT水平分为轻度肝损伤(ALT＜500 U/L，10例)和重度肝损伤(ALT＞500 U/L，6例)。采集两组患者术后第1、3、5、7天的胆汁，应用MILLIPLEX^®高通量多因子检测技术测定17种细胞因子水平。运用R软件，对胆汁中细胞因子和临床指标进行主成分分析(PCA)，并对胆汁中细胞因子进行GO富集分析。符合正态分布的计量资料两组间比较采用两独立样本t检验；非正态分布的计量资料两组间比较采用Mann-Whitney U检验。采用Spearman相关性分析对临床指标与胆汁中细胞因子的相关性进行分析。采用受试者工作特征曲线(ROC曲线)分析评估胆汁中细胞因子及临床相关指标对肝移植术后肝损伤的预测价值。结果与轻度肝损伤组相比，重度肝损伤组胆汁中趋化因子C-X3-C-基元受体1 (Fractalkine)(Z=-2.828，P=0.003)、可溶性CD40配体(sCD40L)(Z=-2.850，P=0.008)、IL-4(Z=-2.398，P=0.017)、趋化因子CXCL10(Z=-2.475，P=0.023)和巨细胞炎性蛋白-1α(Z=-1.844，P=0.043)表达水平更高，差异均有统计学意义。相关性分析结果显示，肝移植术后第1天，AST、ALT和LDH与胆汁中多个细胞因子呈正相关(P值均＜0.05)。Fractalkine、sCD40L、AST的ROC曲线下面积分别为0.933(0.812~1.000)、0.833(0.589~1.000)、0.917(0.779~1.000)，提示术后第1天AST及胆汁中Fractalkine和sCD40L水平对肝移植术后肝损伤程度有明显预测价值。PCA分析结果显示，肝移植术后第1天胆汁中细胞因子结合临床指标可以将肝移植术后轻度与重度肝损伤患者较好地进行区分。GO分析结果显示，胆汁中细胞因子与外部刺激的正反馈调节、细胞趋化性、受体配体活性、细胞因子活性、细胞因子-细胞因子受体相互作用有关。结论胆汁中Fractalkine和sCD40L对肝移植术后肝损伤程度具有潜在的预测价值。
- 肝移植 /
- 细胞因子类 /
- 肝功能不全
Abstract: Objective To investigate the value of cytokines in bile combined with clinical indices in predicting the degree of liver injury after liver transplantation. Methods A total of 16 patients undergoing liver transplantation who were hospitalized in Center of Organ Transplantation, The Affiliated Hospital of Qingdao University, from January to December 2018 were enrolled, and according to the level of alanine aminotransferase (ALT) on day 1 after surgery, the patients were divided into mild liver injury (ALT < 500 U/L) group with 10 patients and severe liver injury (ALT > 500 U/L) group with 6 patients. Bile samples were collected on days 1, 3, 5, and 7 after surgery, and MILLIPLEX^® assay was used to measure the levels of 17 cytokines. R software was used to perform principal component analysis (PCA) of bile cytokines and clinical indices and gene ontology (GO) enrichment analysis of bile cytokines. The two-independent-samples t-test was used for comparison of normally distributed continuous data between two groups; The Mann-Whitney U test was used for comparison of non- normally distributed continuous data between two groups. A Spearman correlation analysis was performed to evaluate the correlation between clinical indices and bile cytokines. ROC curve analysis was used to evaluate the predictive value of cytokines in bile and clinical indices for liver injury after liver transplantation. Results Compared with the mild liver injury group, the severe liver injury group had significantly higher expression levels of bile Fractalkine (Z=-2.828, P=0.003), soluble CD40 ligand (sCD40L) (Z=-2.850, P=0.008), interleukin-4 (Z=-2.398, P=0.017), CXCL10 (Z=-2.475, P=0.023), and macrophage inflammatory protein-1α (Z=-1.844, P=0.043). The correlation analysis showed that on day 1 after liver transplantation, aspartate aminotransferase, ALT, and lactate dehydrogenase were positively correlated with the levels of several cytokines in bile (all P < 0.05). The area under the ROC curve of Fractalkine, sCD40L and AST were 0.933 (0.812-1.000), 0.833 (0.589-1.000) and 0.917 (0.779-1.000), respectively, suggesting that AST and Fractalkine and sCD40L in bile on the first day after liver transplantation have significant predictive value for liver injury. The results of PCA showed that bile cytokines combined with clinical indices on day 1 after liver transplantation could better distinguish the patients with mild liver injury from those with severe liver injury. GO analysis showed that bile cytokines were associated with positive feedback regulation of external stimulus, cell chemotaxis, receptor ligand activity, cytokine activity, and cytokine-cytokine receptor interaction. Conclusion Fractalkine and sCD40L in bile can predict the degree of liver injury after liver transplantation.
- Liver Transplantation /
- Cytokines /
- Hepatic Insufficiency

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图 1 PCA结果分析

注: a, 胆汁中细胞因子; b, 胆汁中细胞因子结合临床指标。

下载: 全尺寸图片幻灯片

图 2 GO富集分析结果

注: a, 生物过程; b, 细胞组分; c, 分子功能。

下载: 全尺寸图片幻灯片

表 1 不同时间点两组患者ALT、AST、LDH水平变化

肝移植术后时间	指标	轻度肝损伤组(n=10)	重度肝损伤组(n=6)	统计值	P值
第1天	ALT(U/L)	352.0(179.3~478.8)	814.5(641.0~1159.0)	Z=-3.254	＜0.001
	AST(U/L)	364.5 (207.5~494.5)	1039.0(751.5~2314.0)	Z=-2.712	0.005
	LDH(U/L)	601.0(334.0~931.3)	1719.0(1186.0~2066.0)	Z=-2.820	0.003
第3天	ALT(U/L)	188.5(108.5~230.8)	422.0(373.3~906.5)	Z=-3.254	＜0.001
	AST(U/L)	79.0(54.3~148.5)	236.5(160.8~625.3)	Z=-2.495	0.011
	LDH(U/L)	310.1(209.0~341.8)	345.5(218.3~476.3)	Z=-2.820	0.410
第5天	ALT(U/L)	98.5(54.5~151.5)	214.5(175.0~500.5)	Z=-3.037	0.001
	AST(U/L)	31.5(27.5~52.0)	48.0(31.0~127.8)	Z=-0.978	0.184
	LDH(U/L)	267.40±80.53	275.00±104.40	t=0.164	0.872
第7天	ALT(U/L)	89.0(61.8~164.8)	95.0(64.3~193.8)	Z=-0.434	0.595
	AST(U/L)	31.5(19.8~88.3)	25.5(13.3~30.3)	Z=-1.193	0.162
	LDH(U/L)	272.00±78.01	196.00±50.20	t=2.122	0.052

下载: 导出CSV

表 2 轻度肝损伤与重度肝损伤胆汁中细胞因子比较

细胞因子	轻度肝损伤组(n=10)	重度肝损伤组(n=6)	Z值	P值
Fractalkine(pg/ml)	64.180(0.000~108.700)	208.700 (146.600~281.400)	-2.828	0.003
sCD40L(pg/ml)	0.000 (0.000~0.000)	5.665 (0.000~19.590)	-2.850	0.008
IL-4(pg/ml)	1.885 (0.000~5.765)	15.890 (7.958~21.900)	-2.398	0.017
IP-10(pg/ml)	951.500 (652.100~1374.000)	1637.000(1302.000~3113.000)	-2.475	0.023
MIP-1α(pg/ml)	9.075(3.165~10.480)	11.030(9.450~18.200)	-1.844	0.043
MDC(pg/ml)	2.655 (0.000~11.070)	21.590(3.878~27.790)	-1.970	0.051
FGF-2(pg/ml)	35.440 (0.000~68.510)	84.600(47.200~159.700)	-1.908	0.059
IL-1β(pg/ml)	0.350 (0.000~0.803)	1.295(0.555~2.860)	-1.874	0.064
IL-2(pg/ml)	0.930 (0.793~1.148)	1.640(0.838~2.475)	-1.684	0.099
IL-17A(pg/ml)	2.930(2.420~4.205)	5.225(2.485~6.313)	-1.249	0.168
IFNγ(pg/ml)	0.355 (0.000~0.913)	1.965 (0.000~4.428)	-1.360	0.190
VEGFα(pg/ml)	83.240 (32.290~134.100)	160.800(91.630~209.700)	-1.955	0.052
G-CSF(pg/ml)	2.395 (0.000~9.593)	6.720 (1.598~23.560)	-1.159	0.264
IL-15(pg/ml)	2.035 (0.548~2.393)	2.130 (0.735~3.633)	-0.599	0.578
IL-8(pg/ml)	152.300(47.240~274.600)	150.900(118.500~207.400)	-0.217	0.690
IL-6(pg/ml)	29.590 (1.298~71.360)	42.390(23.300~54.660)	-0.271	0.814
TGFα(pg/ml)	13.580(6.863~22.870)	16.870(7.235~22.330)	-0.325	0.879
注：FGF-2，纤维细胞生长因子-2；VEGFα，血管内皮生长因子α；G-CSF，粒细胞集落刺激因子。

下载: 导出CSV

表 3 临床指标与胆汁中细胞因子的相关性

指标	细胞因子	r值	P值
ALT	AST	0.821	＜0.001
	LDH	0.782	＜0.001
	Fractalkine	0.569	0.021
	sCD40L	0.653	0.006
	MDC	0.614	0.011
	FGF-2	0.520	0.039
	IL-1β	0.644	0.007
	VEGFα	0.538	0.035
AST	LDH	0.932	＜0.001
	sCD40L	0.580	0.019
	MDC	0.555	0.026
LDH	sCD40L	0.576	0.020
	IP-10	0.603	0.013
	MDC	0.579	0.019

下载: 导出CSV

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