Low bone turnover in premenopausal women with type 2 diabetes mellitus as an early process of diabetes-associated bone alterations: A cross-sectional study

Rr. Dyah Purnamasari Sulistianingsih, Melisa D. Puspitasari, Bambang Setiyohadi, Pringgodigdo Nugroho, Harry Isbagio

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21 Citations (Scopus)

Abstract

Background: Individuals with Diabetes Mellitus (DM) are at increased risk for fracture due to the decrease in bone strength and quality. Serum procollagen type I intact N-terminal (P1NP) and serum C-terminal cross-linking telopeptide of type I collagen (CTX) as markers of bone formation and resorption, respectively, have been reported to be decreased in T2DM. It remains unclear whether diabetes-associated alterations in the bone turnover of T2DM individuals are related to the longer duration of the disease or may occur earlier. Furthermore, previous studies on BTMs in T2DM individuals have mostly been done in postmenopausal women with T2DM, which might have masked the DM-induced alterations of bone turnover with concurrent estrogen deficiency. This study aims to assess the levels of serum P1NP and CTX as markers of bone turnover in premenopausal women with and without T2DM. Methods: This cross-sectional study involves 41 premenopausal women with T2DM, and 40 premenopausal women without DM. Sampling was done consecutively. P1NP and CTX measurement was done using the electrochemi-luminescence immunoassay (ECLIA) method. Other data collected include levels of HbA1C, ALT, creatinine, eGFR and lipid profile. Results: Median (interquartile range) P1NP in T2DM is 29.9ng/ml (24.7-41.8ng/ml), while in non-DM is 37.3ng/ml, (30.8-47.3ng/ml; p=0.007). Median (interquartile range) CTX in T2DM is 0.161ng/ml (0.106-0.227ng/ml), while in non-DM is 0.202ng/ml (0.166-0.271ng/ml; p=0.0035). Levels of P1NP and CTX in the T2DM group did not correlate with the duration of disease, age, BMI or the levels of HbA1C. Conclusions: Premenopausal women with T2DM indeed have lower bone turnover when compared with non-DM controls. This significantly lower bone turnover process starts relatively early in the premenopausal age, independent of the duration of DM. Gaining understanding of the early pathophysiology of altered bone turnover may be key in developing preventive strategies for diabetoporosis.

Original languageEnglish
Article number72
JournalBMC Endocrine Disorders
Volume17
Issue number1
DOIs
Publication statusPublished - 29 Nov 2017

Keywords

  • Bone turnover
  • CTX
  • Diabetoporosis
  • P1NP
  • Premenopause
  • T2DM

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