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Oncotarget. 2017 May 12;8(44):78144-78152. doi: 10.18632/oncotarget.17839. eCollection 2017 Sep 29.

Elevated serum tartrate-resistant acid phosphatase isoform 5a levels in metabolic syndrome.

Oncotarget

Yi-Jhih Huang, Tsai-Wang Huang, Tsu-Yi Chao, Yu-Shan Sun, Shyi-Jou Chen, Der-Ming Chu, Wei-Liang Chen, Li-Wei Wu

Affiliations

  1. Division of Thoracic Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China (R.O.C).
  2. Division of Oncology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China (R.O.C).
  3. Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan, Republic of China (R.O.C).
  4. Division of Family Medicine, Tri-Service General Hospital Penghu Branch, National Defense Medical Center, Taipei, Taiwan, Republic of China (R.O.C).
  5. Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China (R.O.C).
  6. Division of Family Medicine, Department of Family and Community Medicine, Tri-Service General Hospital, Taipei, Taiwan, Republic of China (R.O.C).
  7. Division of Geriatric Medicine, Department of Family and Community Medicine, Tri-Service General Hospital, Taipei, Taiwan, Republic of China (R.O.C).
  8. Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, Republic of China (R.O.C).

PMID: 29100456 PMCID: PMC5652845 DOI: 10.18632/oncotarget.17839

Abstract

BACKGROUND: Tartrate-resistant phosphatase isoform 5a is expressed in tumor-associated macrophages and is a biomarker of chronic inflammation. Herein, we correlated serum tartrate-resistant phosphatase isoform 5a levels with metabolic syndrome status and made comparisons with traditional markers of inflammation, including c-reactive protein and interleukin-6.

METHODS: One hundred healthy volunteers were randomly selected, and cut-off points for metabolic syndrome related inflammatory biomarkers were determined using receiver operating characteristic curves. Linear and logistic regression models were subsequently used to correlate inflammatory markers with the risk of metabolic syndrome.

RESULTS: Twenty-two participants met the criteria for metabolic syndrome, and serum tartrate-resistant phosphatase isoform 5a levels of >5.8 μg/L were associated with metabolic syndrome (c-statistics, 0.730; p = 0.001; 95% confidence interval, 0.618-0.842). In addition, 1 μg/L increases in tartrate-resistant phosphatase isoform 5a levels were indicative of a 1.860 fold increase in the risk of metabolic syndrome (p = 0.012).

CONCLUSIONS: Elevated serum tartrate-resistant phosphatase isoform 5a levels are associated with the risk of metabolic syndrome, with a cut-off level of 5.8 μg/L.

Keywords: metabolic syndrome; tartrate-resistant acid phosphatase

Conflict of interest statement

CONFLICTS OF INTEREST All authors declare that they have no financial or non-financial conflicts of interest.

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