Abstract
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Diagnostic Value of ATG5, Apo-Lipoprotein B-48, Thyroid Hormones, and Homocysteine in Patients with Alzheimer's Disease
by Seyedeh Fatemeh Hoseinlar, Masoud Nikanfar, Delara Laghousi, Masoud Darabi, Behrouz Shademan, Alireza Nourazarian
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Background: Alzheimer's disease (AD) is the most common form of dementia. In this study, serum levels of autophagy-related 5 (ATG5), apolipoprotein B-48, thyroid hormones, and homocysteine were examined in patients with AD to determine their diagnostic and predictive value for early diagnosis and prevention of AD.
Materials: For this study, fifty serum samples were obtained from patients with AD and fifty serum samples from healthy controls. Serum levels of ATG 5, apo B48, thyroid hormones, homocysteine, vitamin B12, and folic acid were determined by ELISA. Spectrophotometry was used to determine serum lipid concentrations.
Results: The mean age of the case group was 69 ± 6.4 years and that of the control group was 67 ± 4.2 years. There were differences between the control and case groups in serum levels of homocysteine, apo B48, ATG5, hsCRP, LDL, HDL, cholesterol, and VitB12 (p < 0.05). According to the results of the ROC curve, measurements of serum levels of ATG5, homocysteine, and apo B48 have excellent performance in distinguishing patients with Alzheimer's disease from patients without AD.
Conclusions: This study suggests that the measurement of serum levels of ATG5, homocysteine, and apo B48, along with other available biomarkers, can be helpful in the diagnosis and management of patients with AD in the early stages of their disease.
DOI: 10.7754/Clin.Lab.2022.220614
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