Cited by 232Nutrition and Health in AgingDiabetes, Cardiovascular Risks, and LipoproteinsDiabetes Treatment and Management

The DOI matches its Crossref record; 209 of the 211 references it cites were found in a registry or an index; none of the 216 sources its claims cite is checked for support yet.

Diabetes and Sarcopenic Obesity: Pathogenesis, Diagnosis, and Treatments

Open access
Wang, Mina, Tan, Yan, Shi, Yifan, Wang, Xu, Liao, Zehuan, Wei, Peng·2020·Frontiers in Endocrinology

Abstract

Sarcopenic obesity and diabetes are two increasing health problems worldwide, which both share many common risk factors, such as aging, and general obesity. The pathogenesis of sarcopenic obesity includes aging, physical inactivity, malnutrition, low-grade inflammation, insulin resistance, and hormonal changes. Nevertheless, there are two major reasons to cause diabetes: impaired insulin secretion and impaired insulin action. Furthermore, the individual diagnosis of obesity and sarcopenia should be combined to adequately define sarcopenic obesity. Also, the diagnosis of diabetes includes fasting plasma glucose test (FPG), 2-h oral glucose tolerance test (OGTT), glycated hemoglobin (A1C), and random plasma glucose coupled with symptoms. Healthy diet and physical activity are beneficial to both sarcopenic obesity and diabetes, but there are only recommended drugs for diabetes. This review consolidates and discusses the latest research in pathogenesis, diagnosis, and treatments of diabetes and sarcopenic obesity.

Overview

AI snapshot

Written from the paper’s full text.

TL;DR

This narrative review consolidates pathogenesis, diagnosis, and treatment evidence for sarcopenic obesity (SO) and diabetes, emphasizing shared risk factors such as aging, obesity, low-grade inflammation, and insulin resistance. It concludes that diet and physical activity benefit both conditions, while pharmacological treatment is approved for diabetes but not for SO.

Key findings

  • SO prevalence was reported as 12.6% in men and 33.5% in women in NHANES data, with an estimated 100–200 million affected people from 2016 to 2051; in 120 young adults with class II/III obesity, SO prevalence was 23.3% in women and 58.8% in men using appendicular skeletal muscle mass/weight × 100%.
  • Diabetes prevalence was projected to rise from 422 million in 2014 to at least 592 million by 2035, with more than 50% of diabetics being obese; a meta-analysis of 606 articles found SO increased type 2 diabetes risk by almost 38% compared with excess weight or obesity alone.
  • SO was associated with a 24% increased risk of all-cause mortality in a meta-analysis of 12 prospective cohort studies, with higher mortality when defined by mid-arm muscle circumference (HR 1.46, 95% CI 1.23–1.73) or muscle strength (HR 1.23, 95% CI 1.09–1.38) than by skeletal muscle mass (pooled HR 1.24, 95% CI 1.12–1.37, P < 0.001).
  • For diabetes complications, diabetic kidney disease prevalence was 30% in T1D and 40% in T2D; diabetic retinopathy was expected to increase from 415 million in 2015 to 642 million by 2040; diabetic neuropathy prevalence varied from 10% to 90%; and diabetes was linked to a 49% increased colorectal cancer risk in men and a 27% increased breast cancer risk in women.

Methods

  • Narrative review consolidating and discussing latest research on pathogenesis, diagnosis, and treatments of diabetes and SO.
  • No primary sample or systematic search strategy is described; evidence is drawn from previously published studies, meta-analyses, RCTs, and reviews.
  • Main analysis is a qualitative synthesis of mechanisms, diagnostic criteria, and treatment approaches, including dietary, physical activity, pharmacological, herbal, and acupuncture interventions.

Limitations

  • The paper states there is currently no consistent diagnosis of SO; diagnosis varies with changes in obesity and sarcopenia definitions.
  • The paper states that lack of proper RCTs makes expert opinion the major guideline for dietary interventions in SO, and there are currently no approved drugs for SO.
  • The paper states that evidence for complementary and alternative treatments is of low overall quality with too few data, and that the mechanism linking SO and diabetes remains unclear; evident from the text, this is a narrative review without a described systematic search or formal quality appraisal, and it relies on heterogeneous SO definitions across cited studies.

Model-written summary. Check it against the paper before relying on it.

Integrity signals

Registry

Crossref · 10.3389/fendo.2020.00568

Cites

209 of 210 references verified1 citation errors · 0 not checkable

Statistics

Nothing to recompute.

Figures

Figure 1 This simplified schematic diagram depicts the vicious cycle of unhealthy lifestyle which can eventually lead to diabetes and sarcopenic obesity as well as other adverse metabolic conditions.
Figure 1 This simplified schematic diagram depicts the vicious cycle of unhealthy lifestyle which can eventually lead to diabetes and sarcopenic obesity as well as other adverse metabolic conditions.CC BY · PubMed Central
Figure 2 This figure illustrates the main mechanism of impaired insulin secretion that glucose toxicity, lipid toxicity, immunoinflammatory response, and oxidative stress lead to β cell damage. ANT, Adenine nucleotide translocator.
Figure 2 This figure illustrates the main mechanism of impaired insulin secretion that glucose toxicity, lipid toxicity, immunoinflammatory response, and oxidative stress lead to β cell damage. ANT, Adenine nucleotide translocator.CC BY · PubMed Central
Figure 3 This figure illustrates the main mechanism of impaired insulin action that excessive insulin secretion, adipocytes, and inflammatory factors directly affect IR or indirectly interfere the insulin signaling pathway.
Figure 3 This figure illustrates the main mechanism of impaired insulin action that excessive insulin secretion, adipocytes, and inflammatory factors directly affect IR or indirectly interfere the insulin signaling pathway.CC BY · PubMed Central

Verification

Claims the paper makes

166 Not checked yet · 31 No basis given · 22 Own interpretation

Verify all 216 references — free account

Show all 100 claims

  • It may state two separate claims as one. 92
  • Probably not a substantial claim. 38
119 of 119
  • The paper relies on this without support.

    There is currently no consistent diagnosis of sarcopenic obesity.

    “There is currently no consistent diagnosis of SO, nevertheless an adequate one should include the individual diagnosis of obesity and sarcopenia.”
  • The paper relies on this without support.

    Healthy diet and physical activity are beneficial to both sarcopenic obesity and diabetes, but there are only recommended drugs for diabetes.

    “Healthy diet and physical activity are beneficial to both sarcopenic obesity and diabetes, but there are only recommended drugs for diabetes.”
  • The paper relies on this without support.

    Sarcopenic obesity is more common in older people due to the natural changes in body composition.

    “Although SO is more common in older people due to the natural changes in body composition, it is estimated that younger people with class II or III obesity are vulnerable as well.”
  • The paper relies on this without support.

    The main dietary interventions for sarcopenic obesity consist of caloric restriction, protein intake, and micronutrient supplementation.

    “The main dietary interventions for SO consist of caloric restriction, protein intake, and micronutrient supplementation.”
  • The paper relies on this without support.

    There is a lack of proper randomized clinical trials for dietary interventions for sarcopenic obesity, so expert opinion is the major guideline at present.

    “It is noted that lack of proper randomized clinical trials (RCTs) makes expert opinions to be the major guidelines at present of dietary interventions for SO.”
  • The paper relies on this without support.

    The most common treatments of sarcopenic obesity and diabetes are dietary intervention and physical activity.

    “The most common treatments of SO and diabetes are dietary intervention and physical activity.”
  • The paper relies on this without support.

    Metformin causes deficiency in vitamin B12 and folic acid.

    “Metformin has been reported to cause deficiency in vitamin 12 and folic acid.”
  • The paper relies on this without support.

    Thiazolidinediones can cause bladder cancer and fractures, and combined insulin-thiazolidinediones therapy may lead to heart failure.

    “Thiazolidinediones can cause bladder cancer and fractures, and combined insulin-thiazolidinediones therapy may lead to heart failure.”
  • The paper relies on this without support.

    Common adverse reactions of SGLT2 inhibitors are urinary tract infections, increase in LDL cholesterol, bone fractures, and they may sometimes cause ketoacidosis.

    “The common adverse reactions of SGLT2 inhibitors are urinary tract infections, increase in low-density lipoprotein (LDL) cholesterol, bone fractures, and they may sometimes cause ketoacidosis.”
9 of 9

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Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

Each contradiction between two passages listed here was confirmed by an independent check.

2 of 2

Citations

Cites

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Metadata

Authors
Wang, M., Tan, Y., Shi, Y., Wang, X., Liao, Z., & Wei, P.
Affiliations
  • Beijing University of Chinese Medicine (CN)
  • Nanyang Technological University (SG)
Corresponding author
  • Liao, Zehuan
  • Wei, Peng
Venue
Frontiers in Endocrinology
Published
2020-08-25
Volume
11
Pages
568-568
ISSN
1664-2392 (ISSN-L)
OpenAlex
W3080775941
Cited by
231
References
211
Citations by year
2026: 33 · 2025: 45 · 2024: 45 · 2023: 47 · 2022: 50 · 2021: 10 · 2020: 1
FWCI
3.44
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Endocrinology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • DR-NTU (Nanyang Technological University) (submittedVersion, cc-by)
Funders
National Natural Science Foundation of China (31800652, 81904049)
Topics
  • Health Sciences › Medicine › Physiology (medical) › Nutrition and Health in Aging
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
Keywords
sarcopenic obesity, diabetes mellitus, pathogenesis, aging, physical inactivity, malnutrition, low-grade inflammation, insulin resistance, impaired insulin secretion, fasting blood glucose, oral glucose tolerance test, HbA1c, diagnosis, treatment, diet, physical activity, antidiabetic drugs
MeSH terms
Insulin Secretion, Aging, Diabetes Mellitus, Type 2, Humans, Insulin Resistance, Obesity, Sarcopenia

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