The role of clusterin in the development of diabetic macular edema in patients with type 2 diabetes mellitus

Authors

  • Kyryliuk M. L. Ukrainian Scientific and Practical Center of Endocrine surgery, Transplantation of Endocrine Organs and Tissues of Health of Ministry of Public Health of Ukraine, Kyiv, Ukraine
  • Suk S. А. National Medical Academy of Postgraduate Education named after P. L. Shupyк of the Ministry of Public Health of Ukraine, Kyiv, Ukraine; Kyiv City Clinical Ophthalmological Hospital, Kyiv, Ukraine
  • Rykov S. O. National Medical Academy of Postgraduate Education named after P. L. Shupyк of the Ministry of Public Health of Ukraine, Kyiv, Ukraine
  • Mogilevskyy S. Yu. National Medical Academy of Postgraduate Education named after P. L. Shupyк of the Ministry of Public Health of Ukraine, Kyiv, Ukraine

DOI:

https://doi.org/10.21856/j-PEP.2019.3.03

Keywords:

clusterin, diabetic macular edema

Abstract

Relevance. One of the main causes of visual impairment in patients with type 2 diabetes mellitus (DMT2) is diabetic macular edema (DME). Complications associated with DME include microglial activation, dysfunc tion of neurons, their dystrophy and apoptosis. Purpose. To study the peculiarities of the content of anti-apoptotic factor clusterin in serum and to analyze the relationship of clusterin with the state of the macula in patients with DMT2 and DME. Material and research methods. 82 patients with DMT2 (145 eyes) were divided into 4 groups according to the form of DME. The criteria for inclusion in the open study was voluntary informed consent, age 18 years, the presence of DMT2. Non-inclusion criteria were the presence of endocrine diseases, which can lead to type 2 diabetes, DMT1, acute infectious diseases, cancer, decompensation of comorbid pathology, mental disorders, antipsychotics, antidepressants, neurodegenerative diseases of the central nervous system, proteinuria, damage to the optic nerve, glaucoma and mature cataracts. The following instrumental indices were used for the study: nerve fiber layer thickness — NFL, ganglion cell layer thickness — GCL, inner posterior layer thickness — IPL, central retinal thickness, the volume of the macula and central fovea, the minimum thickness of the central fovea (minimum in fovea), the average thickness of the retina in the macula (area thickness). Results. By en determined that in patients with T2DM and DME, chances of oc currence of low thickness (value > QI) of NFL + GCL + IPL (> 115 .m) and NFL (> 31 .m) are significantly in creased with increasing the blood clusterin levels on each 1 .g/ml (OR = 1.04 (95 % CI 1.01–1.08) and OR = 1.04 (95 % CI 1.01–1.08), respectively). It was shown that the optimal threshold value for serum clusterin is 77.0 .g/ml. With a selected clusterin content threshold for NFL + GCL + IPL thickness > 115 .m, the test sensitivity is 59.6 %, specificity is 75 %, and for NFL thickness > 31 .m — 56.7 % and 76.2 %, respectively. Conclusion. An increasing of the concentration of blood plasma clusterin over the optimal threshold (that we have identified) can be an indicator of the active inflammatory process and edema of the retina. 

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Published

2019-08-28

How to Cite

Kyryliuk, M. L., Suk S. А., Rykov, S. O., & Mogilevskyy, S. Y. (2019). The role of clusterin in the development of diabetic macular edema in patients with type 2 diabetes mellitus. Problems of Endocrine Pathology, 69(3), 22-28. https://doi.org/10.21856/j-PEP.2019.3.03

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Section

CLINICAL ENDOCRINOLOGY