Eosinophil Inversely Associates with Type 2 Diabetes and Insulin Resistance in Chinese Adults

Zhū, Lìyǐng; Su, Tingwei; Xu, Min; Xu, Yu; Li, Mian; Wang, Tiange; Sun, Jichao; Zhang, Jie; Xu, Bo; Lu, Jieli; Bi, Yufang; Wang, Weiqing

doi:10.1371/journal.pone.0067613

Cited by 30 publications

(23 citation statements)

References 29 publications

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“…This study found that the prevalence of eosinophilia in diabetic subjects was no different to that in nondiabetic. This is at odds with the findings of a much larger cross-sectional study performed in China that demonstrated a negative relationship between eosinophilia and insulin resistance and T2DM [ 19 ]. However, the Chinese study was conducted in a population where both helminth infection and eosinophilia are less prevalent and where other, noninfectious causes of eosinophilia are likely to be more common.…”

Section: Discussionmentioning

confidence: 62%

Strongyloides stercoralis, Eosinophilia, and Type 2 Diabetes Mellitus: The Predictive Value of Eosinophilia in the Diagnosis of S stercoralis Infection in an Endemic Community

Hays

Thompson

Esterman

et al. 2016

Open Forum Infectious Diseases

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Section: Discussionmentioning

confidence: 62%

Strongyloides stercoralis, Eosinophilia, and Type 2 Diabetes Mellitus: The Predictive Value of Eosinophilia in the Diagnosis of S stercoralis Infection in an Endemic Community

Hays

Thompson

Esterman

et al. 2016

Open Forum Infectious Diseases

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“…Furthermore, a study by Zhu et al showed that peripheral eosinophils in Chinese adults inversely correlated with T2D and insulin resistance, indicating a potential protective role of type 2 inflammation in metabolic disease [68], although this study did not specifically look at AT eosinophils.…”

Section: A Brief Summary Of Proinflammatory Type 1 Inflammation In Admentioning

confidence: 87%

Contributions of innate type 2 inflammation to adipose function

Bolus

Hasty

2019

Journal of Lipid Research

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A critical contributor to health consequences of the obesity epidemic is dysregulated adipose tissue (AT) homeostasis. While white, brown, and beige AT function are all altered in obesity-related disease, white AT is marked by progressive inflammation & adipocyte dysfunction and has been the focus of extensive "immunometabolism" research in the past decade. The exact triggering events initiating and sustaining AT inflammation are still under study, but it has been shown that reducing inflammation improves insulin action in AT. Scientific efforts continue seeking interventions to mitigate obesity-associated AT inflammation, and many groups are now determining how lean healthy AT homeostasis is maintained in order to leverage these mechanisms as therapeutic targets. Such studies have revealed an elaborate network of immune cells, cytokines, and other cellular mediators coordinate AT function. Recent studies elucidated the involvement of the innate immune system in AT homeostasis (e.g. beiging and insulin sensitivity), including M2-like macrophages, eosinophils, innate lymphoid type 2 cells, and several others. In this review, we summarize the existing literature on innate type 2 inflammation in AT; additionally we draw attention to areas of debate where seemingly conflicting data promises to yield more surprising and elegant biology as studies continue to dissect AT physiology. prospective analyses of nearly a million adults, showed that obesity can decrease a person's life span up to 10 years [7]. Thus, a better understanding of adipose tissue (AT), the organ that expands the most in size during obesity, should provide solutions to this health concern.When discussing AT, white adipose tissue (WAT) is most commonly considered; however, other types of AT, brown adipose tissue (BAT) and beige AT also exist.Adipocytes in WAT and BAT are generated from unique progenitors. WAT stores excess energy in the form of triglycerides. BAT can store small amounts of triglycerides; however, its primary role is to burn fatty acids to generate heat. Beige fat has brown-like properties but is transiently present in WAT depots (especially subcutaneous) upon beta-adrenergic stimulation. Regulation of all three of these fat depots is critically important for lipid and energy homeostasis.WAT consists of spatially distinct beds: visceral, omental, subcutaneous, perivascular, epicardial, and many others. These depots serve to cushion organs they BAT is localized primarily in subscapular regions in rodents, and was only discovered in adult humans in the past decade [10,11]. BAT has a characteristic brown appearance grossly, and is easily distinguished from WAT. This distinctive color is due to the presence of concentrated mitochondria within each brown adipocyte, accompanied by high iron concentrations required for activation of the electron transport chain during beta-oxidation. High expression of uncoupling protein 1 (UCP-1) causes this beta-oxidation to result in generation of heat rather than ATP (thermogenesis), thus assistin...

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“…and the cross-sectional study by Zhu et al . found that a lower eosinophil count was associated with hyperglycemia [17, 50]. As summarized in Table A in S1 File, others also found no significant relationship between eosinophil count and the risk for T2D [18, 47, 48].…”

Section: Discussionmentioning

confidence: 99%

Eosinophil Count Is a Common Factor for Complex Metabolic and Pulmonary Traits and Diseases: The LifeLines Cohort Study

et al. 2016

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There is ongoing debate on the association between eosinophil count and diseases, as previous studies were inconsistent. We studied the relationship of eosinophil count with 22 complex metabolic, cardiac, and pulmonary traits and diseases. From the population-based LifeLines Cohort Study (N = 167,729), 13,301 individuals were included. We focused on relationship of eosinophil count with three classes of metabolic (7 traits, 2 diseases), cardiac (6 traits, 2 diseases), and pulmonary (2 traits, 2 diseases) outcomes. Regression analyses were applied in overall, women and men, while adjusted for age, sex, BMI and smoking. A p-value of <0.00076 was considered statistically significant. 58.2% of population were women (mean±SD 51.3±11.1 years old). In overall, one-SD higher of ln-eosinophil count was associated with a 0.04 (±SE ±0.002;p = 6.0×10−6) SD higher levels in ln-BMI, 0.06 (±0.007;p = 3.1×10−12) SD in ln-TG, 0.04 (±0.003;p = 7.0×10−6) SD in TC, 0.04 (±0.004;p = 6.3×10−7) SD in LDL, 0.04 (±0.006;p = 6.0×10−6) SD in HbA1c; and with a 0.05 (±0.004;p = 1.7×10−8) SD lower levels in HDL, 0.05 (±0.007;p = 3.4×10−23) SD in FEV1, and 0.09 (±0.001;p = 6.6×10−28) SD in FEV1/FVC. A higher ln-eosinophil count was associated with 1.18 (95%CI 1.09–1.28;p = 2.0×10−5) odds ratio of obesity, 1.29 (1.19–1.39;p = 1.1×10−10) of metabolic syndrome, 1.40 (1.25–1.56;p = 2.7×10−9) of COPD and 1.81 (1.61–2.03;p = 1.0×10−23) of asthma. Similar results were found in women. We found no association between ln-eosinophil count either with blood pressure indices in overall, women and men; or with BMI, LDL, HbA1c and obesity in men. In a large population based cohort, we confirmed eosinophil count as a potential factor implicated in metabolic and pulmonary outcomes.

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Eosinophil Inversely Associates with Type 2 Diabetes and Insulin Resistance in Chinese Adults

Cited by 30 publications

References 29 publications

Strongyloides stercoralis, Eosinophilia, and Type 2 Diabetes Mellitus: The Predictive Value of Eosinophilia in the Diagnosis of S stercoralis Infection in an Endemic Community

Strongyloides stercoralis, Eosinophilia, and Type 2 Diabetes Mellitus: The Predictive Value of Eosinophilia in the Diagnosis of S stercoralis Infection in an Endemic Community

Contributions of innate type 2 inflammation to adipose function

Eosinophil Count Is a Common Factor for Complex Metabolic and Pulmonary Traits and Diseases: The LifeLines Cohort Study

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