Presence of sarcopenia identifies a special group of lean NAFLD in middle-aged and older people (original) (raw)
Abstract
Background
Sarcopenia, the age-related loss of muscle mass and function, is closely associated and frequently concomitant with non-alcoholic fatty liver disease (NAFLD). We aimed to investigate the clinical features of the sarcopenic NAFLD patients from middle-aged and older people.
Methods
A total of 1305 patients with NAFLD from the Shanghai Changfeng Study were included for analysis. Sarcopenia was diagnosed based on the height-adjusted appendicular skeletal muscle mass (ASM/height2). We comprehensively analyzed the metabolic phenotype, carotid artery condition, liver fibrosis score, and serum metabolomic profile of each participant.
Results
Among the middle-aged and older population, 68.1% of patients with sarcopenia and NAFLD were lean. Sarcopenia was independently associated with increased risk of carotid plaque (OR, 2.22; 95%CI 1.23–4.02) and liver fibrosis (OR, 2.07; 95%CI 1.24–3.44), and the sarcopenic lean NAFLD patients were characterized by a higher risk of carotid plaque (p = 0.008) and liver fibrosis (p = 0.001) than the non-sarcopenic lean NAFLD patients, despite their lower BMI and similar prevalence of metabolic syndrome and diabetes. Further serum metabolomic examination indicated that the sarcopenic lean NAFLD patients presented a distinct metabolomic profile prone to carotid plaque and liver fibrosis, with upregulated serum valine, N-acetylneuraminyl-glycoproteins, lactic acid, small LDL triglycerides and VLDL5 components, and reduced components of HDL4. A sarcopenic characterization score based on above metabolites was established and could also predict increased risk of carotid plaque and liver fibrosis.
Conclusion
The presence of sarcopenia identifies a special subgroup of lean NAFLD with increased risk of cardiovascular disease and liver fibrosis clinically.
Graphical abstract

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Abbreviations
ALT:
Alanine transaminase
ApoA1:
Apolipoprotein A1
ApoA2:
Apolipoprotein A2
ApoB:
Apolipoprotein B100
ASM/height2 :
Height-adjusted appendicular skeletal muscle mass
AST:
Aspartate transaminase
AWGS:
Asian working group for sarcopenia
BMI:
Body mass index
CE:
Cholesterol esters
DBP:
Diastolic blood pressure
DXA:
Dual-energy X-ray absorptiometry
FC:
Free cholesterol
FDR:
False discovery rate
FIB-4:
Fibrosis 4 score
FPG:
Fasting plasma glucose
HDL:
High-density lipoprotein
HOMA-IR:
Homeostasis model assessment for insulin resistance
hs-CRP:
High-sensitivity C-reactive protein
HR:
Hazard ratio
ICD-10:
The 10th revision of international classification of diseases
IDL:
Intermediate density lipoprotein
LDL:
Low-density lipoprotein
LFC:
Liver fat content
NAFLD:
Non-alcoholic fatty liver disease
NAG:
N-acetyl-glycoproteins
NAG1:
N-acetylglucosamine/galactosamine-glycoproteins
NAG2:
N-acetylneuraminyl-glycoproteins
NASH:
Non-alcoholic steatohepatitis
NHANES III.:
Third National Health and Nutrition Examination Survey
OGTT:
Oral glucose tolerance test
OR:
Odds ratio
PPG:
Post-load plasma glucose
PL:
Phospholipids
SBP:
Systolic blood pressure
TC:
Total cholesterol
TG:
Triglycerides
VLDL:
Very low-density lipoprotein
1H-NMR:
1-H nuclear magnetic resonance spectroscopy
95%CI:
95% Confidence interval
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Funding
We have obtained financial supports from the Ministry of Science and Technology of China (2018YFE0201603, 2020YFE0201600), the Shanghai Pujiang Talent Project (20PJ1402300), the Shanghai Municipal Science and Technology Major Project (2017SHZDZX01), the Science and Technology Commission of Shanghai Municipality (16JC1400500, 16411954800), the National Natural Science Foundation of China (81873660, 31821002 and 82100849), and Foundations from Zhongshan Hospital, Fudan University (2020ZSLC58, 2021ZSQN07).
Author information
Author notes
- Xiaopeng Zhu, Qingxia Huang and Shuai Ma have contributed equally to this work.
Authors and Affiliations
- Department of Endocrinology and Metabolism, Zhongshan Hospital, Fudan Institute for Metabolic Diseases, Fudan University, 180 Fenglin Rd, Shanghai, 200032, China
Xiaopeng Zhu, Shuai Ma, Qi Wu, Li Wu, Xiaoming Li, Qian Li, Qiqige Aleteng, Huandong Lin, Xin Gao & Mingfeng Xia - State Key Laboratory of Genetic Engineering, School of Life Sciences, Metabonomics and Systems Biology Laboratory at Shanghai International Centre for Molecular Phenomics, Human Phenome Institute, Zhongshan Hospital, Fudan University, 825 Zhangheng Rd, Shanghai, 200438, China
Qingxia Huang & Huiru Tang - Department of Geriatrics, Zhongshan Hospital, Fudan University, Shanghai, China
Lingyan Chen, Hui Ma & Yu Hu - Department of Ultrasonography, Zhongshan Hospital, Fudan University, Shanghai, China
Wanyuan He - Department of Nutrition, Center of Clinical Epidemiology and EBM, Zhongshan Hospital, Fudan University, Shanghai, China
Jian Gao
Authors
- Xiaopeng Zhu
- Qingxia Huang
- Shuai Ma
- Lingyan Chen
- Qi Wu
- Li Wu
- Hui Ma
- Xiaoming Li
- Qian Li
- Qiqige Aleteng
- Yu Hu
- Wanyuan He
- Jian Gao
- Huandong Lin
- Huiru Tang
- Xin Gao
- Mingfeng Xia
Contributions
Study concept and design: MX, XG, HT. Acquisition of data: XZ, QH, SM, LC, QW, LW, XL, HM, QL, QA, MX, HL. Analysis of data: XZ, SM, QH, JG, MX. Technic support and data interpretation: QH, WH. Data management: HL. Manuscript drafting: XZ, MX. Manuscript revision: MX, XG, HT, YH. Obtained funding; XG, HT, MX, XZ. MX and XG are the guarantors of this work and, as such, takes responsibility for the integrity of the work as a whole, from inception to published article.
Corresponding authors
Correspondence toHuiru Tang, Xin Gao or Mingfeng Xia.
Ethics declarations
Conflict of interests
Xiaopeng Zhu declares that there is no duality of interest. Qingxia Huang declares that there is no duality of interest. Shuai Ma declares that there is no duality of interest. Lingyan Chen declares that there is no duality of interest. Qi Wu declares that there is no duality of interest. Li Wu declares that there is no duality of interest. Hui Ma declares that there is no duality of interest. Xiaoming Li declares that there is no duality of interest. Qian Li declares that there is no duality of interest. Qiqige Aleteng declares that there is no duality of interest. Yu Hu declares that there is no duality of interest. Wanyuan He declares that there is no duality of interest. Jian Gao declares that there is no duality of interest. Huandong Lin declares that there is no duality of interest. Huiru Tang declares that there is no duality of interest. Xin Gao declares that there is no duality of interest. Mingfeng Xia declares that there is no duality of interest.
Ethical approval
The study was approved by the Research Ethics Committees of Zhongshan Hospital, Fudan University (No. 2008-119 and B2013-132).
Informed consent
Each participant provided written informed consent.
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Zhu, X., Huang, Q., Ma, S. et al. Presence of sarcopenia identifies a special group of lean NAFLD in middle-aged and older people.Hepatol Int 17, 313–325 (2023). https://doi.org/10.1007/s12072-022-10439-z
- Received: 14 July 2022
- Accepted: 09 October 2022
- Published: 03 November 2022
- Version of record: 03 November 2022
- Issue date: April 2023
- DOI: https://doi.org/10.1007/s12072-022-10439-z