Vokhid Z. Zokirov
Doctoral Student in the Specialty of Internal Medicine, Bukhara State Medical Institute named after Abu Ali ibn Sino, Bukhara, Uzbekistan
Correspondence to: Vokhid Z. Zokirov, Doctoral Student in the Specialty of Internal Medicine, Bukhara State Medical Institute named after Abu Ali ibn Sino, Bukhara, Uzbekistan.
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Copyright © 2024 The Author(s). Published by Scientific & Academic Publishing.
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Abstract
Multiple pro-inflammatory factors - IL-1β, IL-1RA, IL-2, IL-4, IL-6, IL-8, IL-9, IL-13, FGFβ, G-KCF in the immune system of patients with COVID-19 , GM-KCF, INF-g, IP-10, MIP-1a, Delayed increase in MIP-1β, TNFα (Tumor necrosis factor), granulocyte colony-stimulating factor and other cytokines and growth factors causes a cytokine flood [1,2]. Cytokines hyperproduction and hypercoagulation induced by it, as well as leukocyte and neutrophil migration to the affected area and hypersecretion of prolytic substances. (neutrophils absorb lactase and other proteases in large quantities) [3,11] as a result, it damages not only the altered cells but also healthy cells and leads to organ failure. [4]. In COVID-19, immunopathological processes and the development of a cytokine storm occur in a sequence, with suppression or inhibition of interferon and other nonspecific immunity, direct (through inflammasome) and indirect (through self-damage to immunocytes) cytokine storms, and systemic inflammation. This destroys vascular endotheliocytes, induces hypercoagulability, and enhances secondary alteration of organs by immune cells. Various pathophysiological disturbances in the pathogenesis of COVID-19 lead to multiorgan failure by damaging various organs and organ systems.
Keywords:
COVID-19, Non-alcoholic fatty liver disease, IL-1β, IL-6, Cytokine storm
Cite this paper: Vokhid Z. Zokirov, To Determine Changes in Inflammatory Cytokines IL-1β, IL-6 and Assess Liver Function in Middle-Aged and Elderly Patients with Non-Alcoholic Fatty Liver Disease in Middle-Aged and Elderly Patients Who Suffer COVID-19, American Journal of Medicine and Medical Sciences, Vol. 14 No. 12, 2024, pp. 3417-3419. doi: 10.5923/j.ajmms.20241412.72.
1. Introduction
IL-1β – It is a proinflammatory or inflammatory cytokine that belongs to the interleukin-1 family and is important in a variety of physiological functions and pathological processes, playing an important role in health and disease [5]. IL-1β plays a very important role in the body’s defense mechanism against pathogens through acute inflammation and the development of adaptive immunity [6]. IL-1β is produced by macrophages and is important in the development of chronic inflammation, obesity, and insulin resistance. Furthermore, IL-1β has been shown in several studies to be important in the pathophysiology of NAFLD through several mechanisms, particularly the development of steatosis, disruption of normal insulin signaling, and induction of fibrotic protein production. [7,8].Also, IL-6, a pro-inflammatory cytokine, is important in the development of the innate and adaptive immune response and is pathogen-specific by leukocytes and stromal cells. is produced as a result of the activation of the receptor (pattern recognition receptor). Dysregulation of IL-6 production is of important pathogenetic importance in the development of chronic inflammation and autoimmune diseases, including atherosclerosis, insulin resistance, and NAFLD [9,10].
2. Material and Methods
Age classification of people developed by the World Health Organization (WHO) in 2015 was used to classify patients by age. In this classification, 25-44-year-old people form the youth group, 45-59-year-old people are middle-aged, 60-74-year-old people are old people, 75-90-year-old people are old people, and people over 90 years old are long-lifers. The study included 94 people who did not have COVID-19, of which 42 (44.7%) were middle-aged 45-59 (average 48.2±3.2), 52 (55.3%) were elderly 60-76 (65.2 ±4.2) patients. Also, out of 84 patients diagnosed with COVID-19, 34 (40.4%) are middle-aged (47.3±4.3), 50 (59.5%) are elderly (68.4±2.2).The main group (AG) of patients and control (NG) individuals are representative groups in terms of important demographic (age, gender, etc.), anthropometric (weight, body mass or Ketle index, etc.) indicators and other parameters divided.The study examined the general and/or specific role of IL-1β and IL-6 cytokines in disease progression, as well as their association with NAFLD levels and diagnostic efficacy in predicting the underlying disease, in patients with and without COVID-19 who had nonalcoholic fatty liver disease (NAFLD).During the study, patients with and without COVID-19, as well as healthy controls, The role of IL-1β and IL-6 cytokines in the development of COVID-19-related NAFLD and unrelated NAFLD was examined by comparing their levels (look at picture 1). | Picture 1. Results of pro-inflammatory cytokine levels in different groups. Statistical reliability level: Compared to the indicators of patients who did not pass COVID-19 * - P<0.05; ** – P<0.01; *** – P<0.001, **** – P<0.0001, relative to the indicators of patients who had COVID-19, # – P<0.05; ## – P<0.01; ### – P<0.001, #### – P<0.0001 |
As shown in picture 1, NAFLD in patients with and without COVID-19, IL-1β and IL-6 levels were statistically significantly lower than those in the control group. (p<0.0001) a significant increase has been determined, on the other hand, when patient groups were compared, IL-1β levels were found to be statistically significantly higher by 1.15 times (P<0.0001) in patients with COVID-19, while IL-6 levels were not statistically significantly different.Also, during the study, the levels of IL-1β and IL-6 cytokines were age-dependent in both patient groups and controls, and in particular, changes in the levels of cytokines in middle-aged (45-59 years) and elderly (60-74 years) subjects were examined, and a correlation was found between the levels of the examined pro-inflammatory cytokines and the age of the subjects. (2-picture). | Picture 2. Changes in pro-inflammatory cytokines in different groups depending on the age of patients. Statistical significance level: * – P<0.05; ** – P<0.01; *** – P<0.001, **** – P<0.0001, relative to the indicators of patients with COVID-19 # – P<0.05; ## – P<0.01; ### – P<0.001, #### – P<0.0001 |
As shown in picture 2, IL-1β and IL-6 levels in middle-aged and elderly patients with and without COVID-19 were found to be statistically significantly (P<0.0001) higher than in the control group. Thus, in patients with COVID-19, IL-1β levels were 11.8% higher in elderly patients than in middle-aged patients (P<0.0001), As for the IL-6 index, it was found to increase by 14.5% (P<0.0001), and in patients who did not have COVID-19: in elderly patients, it increased by 24.1% (P<0.0001) and 45.3% (P<0.0001).Furthermore, both patients were reclassified according to BMI, and by correlating their IL-1β and IL-6 levels, it was determined that the pro-inflammatory cytokines examined in the patients were associated with BMI. (3-picture).  | Picture 3. Changes in pro-inflammatory cytokines in different groups depending on patients' BMI. Statistical significance level: * – P<0.05; ** – P<0.01; *** – P<0.001, **** – P<0.0001 |
As shown in picture 3, IL-1β and IL-6 levels were statistically significantly (P<0.0001) higher in patients with and without COVID-19 with NAFLD compared to the control group, on the other hand, when comparing patient groups, it was found that IL-1β was statistically significantly 1.15 times higher (P<0.0001) in patients with COVID-19, while IL-6 did not differ significantly.
3. Conclusions
1. The levels of IL-1β and IL-6 cytokines were found to be statistically significantly increased in patients with NAFLD, those with and without COVID-19, compared to the control group, and among both patient groups, only patients with COVID-19 had a statistically significant increase in the level of IL-1β cytokine.2. In patients with COVID-19, IL-1β and IL-6 levels were found to be 11.8% (P<0.0001) and 14.5% (P<0.0001) higher in elderly patients than in middle-aged patients, respectively, and 24.1% (P<0.0001) and 45.3% (P<0.0001) higher in elderly patients than in middle-aged patients, respectively, than in non-COVID-19 patients.
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