Background: Diabetes patients have a higher chance of developing dyslipidemia and increased release of free fatty acids, which participate in developing insulin-resistant fat cells. On the other hand, vitamin D insufficiency is linked to the evolution of type 2 diabetes mellitus (T2DM). This study examines the impact of vitamin D serum levels on lipid profiles and insulin resistance concerning glycemic indices in obese T2DM patients. Methods: During the data collecting stage, 47 diabetes patients were chosen from the out-patient clinic. The control individuals were selected from the general population and were equivalent to the matching patients, with a total of 43 healthy participants. After an overnight fast, a venous blood sample was collected from each individual to test insulin and vitamin D3 levels using particular ELISA kits. In addition, by colorimetric test, serum was used to estimate total cholesterol, triglyceride, and high-density lipoprotein cholesterol. Aside from that, fasting serum glucose levels were measured (FSG). Results: Fasting serum glucose (FSG), homeostatic model assessment-insulin resistance (HOMA-IR), total cholesterol, and triglycerides, all of these values were significantly elevated in people with diabetes as compared to controls (p-value <0.05) when the serum level of vitamin D was markedly low. In contrast, insulin and high-density lipoprotein values had decreased significantly in the diabetic population compared to controls (p-value <0.05) and were not correlated to vitamin D levels. Conclusions: Diabetes patients had higher FSG, HOMA-IR, hemoglobin A1c (HbA1c), fasting insulin, triglycerides, total cholesterol to high-density lipoprotein cholesterol ratios (TC: HDL-C), triglyceride to high-density lipoprotein cholesterol ratios (TG: HDL-C), and low-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratios (LDL-C: HDL). In obese diabetic individuals, vitamin D levels had a significant impact on total cholesterol, LDL-C, and the TC:HDL-C ratio.
Background: Type 2 diabetes mellitus (T2DM) is accompanied by an increased risk for skeletal fractures. The causes are probably a mix of factors, including poor glycemic control, a higher risk of falling due to hypoglycemia, osteopenia, bone quality deterioration, and drug side effects related to bone fragility. Undercarboxylated osteocalcin (ucOC) is a protein generated by osteoblasts that affects insulin secretion and sensitivity. Methods: A total number of 47 obese (BMI ˃ 30) patients with confirmed type 2 diabetes were selected depending on the American Diabetes Association ADA criteria. The control participants were similar to the patients in age and gender, with a total number of 43 obese (BMI ˃ 30) and healthy subjects chosen from the general population. The selected subjects were grouped according to their serum vitamin D levels. Their blood specimen was used for assaying ucOC, parathyroid hormone (PTH), and vitamin D3 levels by specific ELISA kits, and to estimate calcium (Ca2+) levels and inorganic phosphate (PO43−) via enzymatic colorimetric methods. Results: Serum parathyroid hormone and inorganic phosphate median (IQR) values were markedly increased in patients with T2DM when compared to healthy controls, whereas serum calcium and ucOC levels were lowered significantly in diabetic patients when compared to healthy controls. This was irrespective of serum vitamin D levels. Conclusions: Elevated serum levels of PTH and PO43− values in obese type 2 diabetic patients compared to obese non-diabetic controls were accompanied by a significant decrease in ucOC and Ca2+ levels, irrespective of serum vitamin D levels. Hence, serum vitamin D3 levels had no significant impact on levels of ucOC, PTH, Ca2+, and PO43− in obese patients with type 2 diabetes.
Objective: This study aimed to investigate if the Homocysteine has recently been proposed as a serious predictive biomarker for Covid-19 infection severity. Method: In this case-control study, which involved 90 participants, 5 ml of venous blood specimen was reserved for each participant, to measure homocysteine, troponin-I, and high sensitive C-reactive protein in their blood, to find if there was an association between these markers levels and COVID-19 infection by using STATA version 23. Results: The current study found a significant increase in measured values of homocysteine in patients' serum than controls P-value = 0.004 which is < alpha (0.05) with an area under the curve of 0.678, also found a significant increase in measured values of cardiac troponin-I; and hs-CRP in COVID-19 patients than controls, P-values were 0.02 and 0.00 respectively which are < alpha (0.05) with an area under the curve of 0.686 and 0.739 respectively. Conclusion: Homocysteine has been noted as a strong predictive biomarker for COVID-19 infection severity in many articles, the current study showed that homocysteine had a moderate predictive biomarker for COVID-19 infection. Cardiac troponin-I showed a moderate predictive biomarker for COVID-19 infection, while hs-CRP was noted as a good predictive biomarker. Many studies reported an association between high levels of hs-CRP and mortality rate in COVID-19 patients.
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