Aim: Autism Spectrum Disorder (ASD) etiopathogenesis remains unclear, and it is a progressively prevalent condition. It has been demonstrated that vitamin D plays an important role not only in bone metabolism but also in brain maturation. Vitamin D and its metabolizing enzymes...

Objective: Vitamin D, which is taken by foods as well as synthesized in the body, has important functions in many parts of the organism. As vitamin D is shown to take part in many vital mechanisms, the importance of the molecule is increasing and consequently the workload of...

Aim: Method evaluation studies should be carried out for every new method planned to be used in laboratories. The aim of this study is to determine the analytical performance of the immunoassay method used for determining of plasma 25-hydroxy vitamin D levels and also to...

Objective: Autoimmunity is an important factor in the pathogenesis of Behcet Disease emphasized in recent years In recent studies, Vitamin D has been demonstrated to play a significant role in immune system functioning. The measurement of plasma 25-hydroxyvitamin D3levels,...

Objective: Recently It's thought that Vitamin D deficiency not only adversely affects musculoskeletal system but also many other systems in our body. Since operating room staff exposed to sunlight lesser than the majority of population, we tried to show Vitamin D status of...

Aim: Quality improvement studies in clinical laboratories play a vital role in achieving accurate and reliable patient results. Measurement uncertainty is important for the quality and reliability of test results. Since laboratory results inherently involve uncertainty, ISO...

The most important effect of vitamin D is on bone health and calcium homeostasis. Moreover, vitamin D, functioning as hormone, plays a key role in preventing cancers such as colon CA, prostate CA, breast CA and autoimmune diseases such as multiple sclerosis, type 1 diabetes, Crohn' disease and...