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Lipidomic and Multi-Omics Profiling of Fatty Liver Disease in People With and Without HIV (MASLD)

2026年6月5日 更新者：Yinzhong Shen

Multi-Omics Characterization of Lipid Metabolic Reprogramming in People With HIV Versus HIV-Negative Metabolic Dysfunction-Associated Steatotic Liver Disease

Metabolic dysfunction-associated steatotic liver disease (MASLD), commonly known as fatty liver disease, is increasingly prevalent worldwide. People living with HIV (PWH) face a higher risk of developing MASLD due to chronic immune activation and long-term antiretroviral therapy, yet whether the underlying biological changes differ from those in HIV-negative individuals with MASLD remains unknown.

This prospective observational study will enroll three groups: PWH with MASLD, HIV-negative individuals with MASLD, and healthy controls without liver disease. A single fasting blood sample will be collected from each participant. Using targeted lipidomics, proteomics, and transcriptomics platforms, researchers will compare plasma molecular profiles across the three groups to identify MASLD-specific lipid signatures, characterize metabolic pathway dysregulation, and discover potential blood-based biomarkers for non-invasive diagnosis of MASLD.

Findings from this study may help explain how HIV infection alters lipid metabolism in the context of MASLD and support the development of HIV-specific diagnostic tools for fatty liver disease.

研究概览

地位

尚未招聘

条件

详细说明

MASLD is characterized by hepatic lipid accumulation driven by metabolic dysfunction, and its pathophysiology involves extensive lipid metabolic reprogramming - including dysregulation of triglycerides, diacylglycerols, ceramides, and phosphatidylcholines. In people living with HIV (PWH), the metabolic burden imposed by chronic immune activation and long-term antiretroviral therapy (ART) further disrupts circulating lipid homeostasis, potentially creating a distinct pathophysiological profile compared to HIV-negative individuals with MASLD. However, the molecular differences between HIV-associated and HIV-negative MASLD have not been systematically characterized.

This prospective, observational, cross-sectional study enrolls three groups: (1) PWH with MASLD, (2) HIV-negative individuals with MASLD, and (3) healthy controls matched for age, sex, and BMI. All participants are recruited from Shanghai Public Health Clinical Center and affiliated health examination centers. A single fasting peripheral blood sample (10 mL) is collected from each participant, from which plasma is isolated and stored at -80°C until analysis.

Plasma samples will undergo multi-omics profiling including:

Targeted lipidomics: quantitative analysis of core lipid classes (free fatty acids, ceramides, sphingomyelins, triglycerides, diacylglycerols, phosphatidylcholines) using UPLC-MS/MS in multiple reaction monitoring (MRM) mode Proteomics: plasma protein profiling to identify disease-associated protein expression changes Transcriptomics: gene expression analysis to characterize transcriptional alterations associated with MASLD in the context of HIV infection Differential lipid features will be identified using multivariate analysis (PCA, OPLS-DA) and univariate filtering (VIP > 1, |FC| > 1.5, FDR < 0.05). KEGG and LipidMaps pathway enrichment analyses will reveal key metabolic pathways involved in lipid reprogramming. Correlations between lipid signatures and clinical parameters will be examined using Spearman correlation analysis. ROC curve analysis and logistic regression will be used to evaluate the diagnostic performance of candidate biomarkers.

This study aims to: (1) establish a comprehensive plasma lipidomic and multi-omics atlas of MASLD in PWH versus HIV-negative individuals; (2) identify HIV-specific lipid dysregulation patterns; and (3) discover novel, non-invasive biomarkers for MASLD diagnosis applicable to the HIV-infected population.

研究类型

观察性的

注册 (估计的)

120

联系人和位置

本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。

学习联系方式

研究联系人备份

学习地点

  • 中国
    • Shanghai Municipality
      • Shanghai、Shanghai Municipality、中国、201508

参与标准

研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

  • 成人
  • 年长者

接受健康志愿者

是的

取样方法

非概率样本

研究人群

Participants are recruited from a single tertiary hospital (Shanghai Public Health Clinical Center): (1) treatment-naive people with HIV and MASLD from the outpatient Department of Infection and Immunity; (2) HIV-negative individuals with MASLD identified through the hospital's Health Management Center; and (3) healthy controls without liver disease from the same Health Management Center, matched to MASLD groups by age, sex, and BMI.

描述

Inclusion Criteria:

  • Age 18-80 years
  • Able to provide written informed consent and cooperate with blood sample collection and clinical data recording

For Group 1 (Treatment-naive people with HIV and MASLD):

  • Confirmed HIV infection with no prior antiretroviral therapy (treatment-naive)
  • Diagnosis of MASLD per the 2024 Chinese Guidelines: hepatic steatosis confirmed by imaging or histology (≥5% macrovesicular steatosis), exclusion of excessive alcohol consumption (>210 g/week for men, >140 g/week for women), and at least one metabolic cardiovascular risk factor

For Group 2 (HIV-negative individuals with MASLD):

  • HIV-negative
  • Diagnosis of MASLD as defined above

For Group 3 (Healthy Controls):

  • HIV-negative
  • Normal liver morphology on abdominal ultrasonography within the past year, with no evidence of hepatic steatosis
  • Matched to MASLD groups by age (within 5 years), sex, and BMI (within 3 kg/m²)

Exclusion Criteria:

  • Chronic liver disease with decompensated cirrhosis, hepatic malignancy, or history of liver transplantation
  • Pregnancy or lactation
  • Active severe infectious disease (other than HIV for Group 1)
  • Severe critical illness or major organ failure

学习计划

本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。

研究是如何设计的？

设计细节

队列和干预

团体/队列
PWH with MASLD
People with HIV diagnosed with metabolic dysfunction-associated steatotic liver disease (MASLD), enrolled from the outpatient clinic of Shanghai Public Health Clinical Center.
HIV negative with MASLD
HIV-negative individuals diagnosed with MASLD, enrolled from Shanghai Public Health Clinical Center and affiliated health examination centers.
healthy controls
HIV-negative individuals without liver disease, matched to MASLD groups by age, sex, and BMI, enrolled from affiliated health examination centers.

研究衡量的是什么？

主要结果指标

结果测量
措施说明
大体时间
Number of differentially abundant plasma lipid species identified by targeted lipidomics (UPLC-MS/MS)
大体时间：At enrollment (single time point, cross-sectional)
Number of plasma lipid species showing statistically significant differential abundance among the three groups (treatment-naïve people with HIV and MASLD, HIV-negative people with MASLD, and healthy controls). Lipid species across core lipid classes (free fatty acids, ceramides, sphingomyelins, triglycerides, diacylglycerols, and phosphatidylcholines) are quantified by targeted lipidomics using ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) in multiple reaction monitoring (MRM) mode, with quality-control samples and internal standards (e.g., TAG 17:0, Cer d18:1/17:0; RSD <15%). A lipid species is counted as differentially abundant if it meets fold change ≥1.5 or ≤0.67, and FDR <0.05.
At enrollment (single time point, cross-sectional)

次要结果测量

结果测量
措施说明
大体时间
Number of differentially abundant plasma proteins identified by quantitative proteomics
大体时间：At enrollment
Number of plasma proteins showing statistically significant differential abundance among the three groups (treatment-naïve people with HIV and MASLD, HIV-negative people with MASLD, and healthy controls), quantified by mass spectrometry-based (DIA) proteomics. A protein is counted as differentially abundant if it meets |log2 fold change| >1 and adjusted p <0.05.
At enrollment
Number of differentially expressed genes in PBMCs identified by RNA sequencing
大体时间：At enrollment
Number of genes showing statistically significant differential expression in peripheral blood mononuclear cells (PBMCs) among the three groups (treatment-naïve people with HIV and MASLD, HIV-negative people with MASLD, and healthy controls), quantified by RNA sequencing. A gene is counted as differentially expressed if it meets |log2 fold change| >1 and FDR <0.05.
At enrollment

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

赞助

Yinzhong Shen

调查人员

  • 首席研究员：Yinzhong Shen、Shanghai Public Health Clinical Center, Shanghai, Shanghai 201508

出版物和有用的链接

负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。

一般刊物

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (估计的)

2026年6月1日

初级完成 (估计的)

2026年9月1日

研究完成 (估计的)

2026年9月1日

研究注册日期

首次提交

2026年5月31日

首先提交符合 QC 标准的

2026年6月5日

首次发布 (实际的)

2026年6月11日

研究记录更新

最后更新发布 (实际的)

2026年6月11日

上次提交的符合 QC 标准的更新

2026年6月5日

最后验证

2026年6月1日

更多信息

与本研究相关的术语

关键字

其他相关的 MeSH 术语

其他研究编号

  • GKT1341

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)？

不

IPD 计划说明

Individual participant data will not be shared publicly to protect the privacy and confidentiality of people living with HIV, given the sensitive nature of HIV status and the potential risk of participant re-identification in this population. De-identified data may be made available from the corresponding author upon reasonable request and with appropriate ethical approval.

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

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