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The Role of Glycated Albumin as a Biomarker of Glycemic Control in Diabetes and Chronic Kidney Disease

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Biomarkers in Diabetes

Abstract

Albumin is the most abundant protein found in plasma and constitutes approximately 60% of all proteins in the blood. This high molecular weight protein maintains the pH balance and osmotic pressure of blood. Albumin transports metabolic products and performs antioxidant functions. Glycated albumin (GA) is produced during the glycation of proteins and constitutes 80% of glycation reactions in plasma. GA has become useful in the monitoring of blood glucose levels and is often used with glycated hemoglobin measurements. The measurement of GA is favored in patients with hemoglobinopathies or those receiving dialysis. This chapter will discuss the advantages and disadvantages of GA use, including its role in diabetes control and in diabetes-associated complications.

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Abbreviations

ADA:

American Diabetes Association

AGEs:

Advanced glycation end products

BMI:

Body mass index

CGM:

Continuous glucose monitoring

CKD:

Chronic kidney disease

CVD:

Cardiovascular diseases

DKD:

Diabetic kidney disease

DM:

Diabetes mellitus

ESKD:

End-stage kidney disease

FDA:

Federal Drug Association

GA:

Glycated albumin

GFR:

Glomerular filtration rate

HbA1c:

Glycated hemoglobin

HPLC:

High-performance liquid chromatography

ICAM-1:

Intracellular adhesion molecule 1

IDF:

International Diabetes Federation

kDa:

Kilodaltons

LMICs:

Low-to-middle-income countries

OGTT:

Oral glucose tolerance test

RBC:

Red blood cell

RI:

Reference interval

ROS:

Reactive oxygen species

T1DM:

Type 1 diabetes mellitus

T2DM:

Type 2 diabetes mellitus

VCAM-1:

Vascular cell adhesion molecule 1

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Correspondence to Shanel Raghubeer .

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Raghubeer, S., Matshazi, D.M., Motshwari, D.D., Weale, C.J., Erasmus, R.T., Matsha, T.E. (2023). The Role of Glycated Albumin as a Biomarker of Glycemic Control in Diabetes and Chronic Kidney Disease. In: Patel, V.B., Preedy, V.R. (eds) Biomarkers in Diabetes. Biomarkers in Disease: Methods, Discoveries and Applications. Springer, Cham. https://doi.org/10.1007/978-3-031-08014-2_61

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