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    A New Predictor for Insulin Resistance in Polycystic Ovary Syndrome: InsuTAG
    (Bentham Science Publ Ltd, 2024) Omma, Tulay; Gokce, Aksanur; Celik, Mustafa; Karahan, Irfan; Culha, Cavit; Gulcelik, Nese Ersoz
    Background: Polycystic ovary syndrome (PCOS) is the most common endocrinopathy among women of reproductive age. PCOS leads to metabolic dysfunction such as dyslipidemia, obesity, and glucose intolerance based on hyperandrogenemia, hyperinsulinemia, and dysregulated adipokine secretion.Objective: The aim of this study was to investigate whether a new marker, InsuTAG (fasting insulinxfasting triglycerides) could predict insulin resistance (IR) in patients of PCOS.Methods: In this study, retrospective data of 300 female patients diagnosed with PCOS were analyzed. The relationship between InsuTAG and HOMA-IR, TyG, and TG/HDL-C scores related to insulin resistance was evaluated. In addition, the distribution of the cases according to the cut-off values was determined.Results: Log-transformed forms of InsuTAG and HOMA-IR, TyG and TG/HDL-C results were positively correlated, respectively. (r = 0.85, p < 0.001; r = 0.78, p < 0.001; r = 0.72, p < 0.001). Sensitivity, specificity, positive predictive value and negative predictive values for InsuTAG were calculated as 85%, 85%, 82% and 88%, respectively.Conclusion: This study is the first to compare the InsuTAG, another predictor of insulin resistance, with other IR markers in women with PCOS. InsuTAG is a novel biomarker based on plasma sampling of insulin and triglyceride, with minimally invasive, inexpensive and orientally accessible features.
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    Dietary Acid Load Associated with Hypertension and Diabetes in the Elderly
    (Bentham Science Publishers, 2022) Omma, Tulay; Gulcelik, Nese Ersoz; Zengin, Fatmanur Humeyra; Karahan, Irfan; Culha, Cavit
    Background: Diet can affect the body's acid-base balance due to its content of acid or base precursors. There is conflicting evidence for the role of metabolic acidosis in the development of cardiometabolic disorders, hypertension (HT), and insulin resistance (IR). Objective: We hypothesized that dietary acid load (DAL) is associated with adverse metabolic risk factors and aimed to investigate this in the elderly. Methods: A total of 114 elderly participants were included in the study. The participants were di-vided into four groups, such as HT, diabetes (DM), both HT and DM, and healthy controls. An-thropometric, biochemical, and clinical findings were recorded. Potential renal acid load (PRAL) and net endogenous acid production (NEAP) results were obtained for three days, 24-hour dietary records via a nutrient database program (BeBiS software program). Results: The groups were matched for age, gender, and BMI. There was a statistically significant difference between the groups regarding NEAP (p =0.01) and no significant difference for PRAL (p = 0.086). The lowest NEAP and PRAL levels were seen in the control group while the highest in the HT group. Both NEAP and PRAL were correlated with waist circumference (r = 0,325, p = 0.001; r=0,231, p =0,016, respectively). Conclusion: Our data confirmed that subjects with HT and DM had diets with greater acid-forming potential. High NEAP may be a risk factor for chronic metabolic diseases, particularly HT. PRAL could not be shown as a significantly different marker in all participants. Dietary content has a significant contribution to the reduction of cardiovascular risk factors, such as HT, DM, and obesity. © 2022 Bentham Science Publishers.