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Glycated Albumin Levels in Patients with Type 2 Diabetes Increase Relative to HbA1c with Time.


ABSTRACT: We recently reported that glycated albumin (GA) is increased in subjects with longer duration of diabetes and with decreased insulin secretory function. Based on this, we investigated whether GA increases with time relative to glycated hemoglobin (HbA1c) and the association between GA and beta-cell function. We analyzed 340 type 2 diabetes patients whose serum GA and HbA1c levels had been repeatedly measured over 4 years. We assessed the pattern of changes with time in glycemic indices (GA, HbA1c, and GA/HbA1c ratio) and their relationship with beta-cell function. In all patients, glycemic indices decreased and maintained low levels around 15 and 27 months. However, from 39 months to 51 months, GA significantly increased but HbA1c tended to increase without statistical significance. We defined ?GA/HbA1c as the difference between the nadir point (at 15 to 27 months) and the end point (at 39 to 51 months) and found that ?GA/HbA1c was positively correlated with diabetes duration and negatively related to beta-cell function. In multivariable linear regression analyses, ?GA/HbA1c was independently associated with diabetes duration. In conclusion, this study demonstrated that serum GA levels increase relative to HbA1c levels with time.

SUBMITTER: Yoon HJ 

PROVIDER: S-EPMC4592895 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Glycated Albumin Levels in Patients with Type 2 Diabetes Increase Relative to HbA1c with Time.

Yoon Hye-Jin HJ   Lee Yong-Ho YH   Kim Kwang Joon KJ   Kim So Ra SR   Kang Eun Seok ES   Cha Bong-Soo BS   Lee Hyun Chul HC   Lee Byung-Wan BW  

BioMed research international 20150921


We recently reported that glycated albumin (GA) is increased in subjects with longer duration of diabetes and with decreased insulin secretory function. Based on this, we investigated whether GA increases with time relative to glycated hemoglobin (HbA1c) and the association between GA and beta-cell function. We analyzed 340 type 2 diabetes patients whose serum GA and HbA1c levels had been repeatedly measured over 4 years. We assessed the pattern of changes with time in glycemic indices (GA, HbA1  ...[more]

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