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Author

Orhan Çiçek

5 papers indexed here

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Open access Sep 2026

Serum NGAL and S100A12 as Biomarkers of Active Disease in Ulcerative Colitis

Aim: To investigate the potential use of serum neutrophil gelatinase-associated lipocalin (NGAL) and S100A12 (S100 calcium-binding protein A12) as biomarkers for determining disease activity in ulcerative colitis (UC) within the same study.Materials and Methods: The study included individuals from the active (n=34) and...

Orhan Çiçek, Fatih Kamış, Özge Kurtkulağı et al. · 0 citations
Sep 2026

EXPRESS: Vitamin D variability might be linked to sarcopenia, especially with decreased muscle mass in older patients: a retrospective longitudinal study.

OBJECTIVE The purpose of the study was to assess the relationship between variations in vitamin D levels, sarcopenia, and the fat-free mass index (FFMI) in individuals 65 years of age and above. MATERIALS AND METHODS This retrospective study included 215 individuals aged ≥65 years who were followed at a geriatric out...

Orhan Çiçek, Ilyas Akkar, Z. Turgut et al. · 0 citations
Open access Aug 2026

The relationship between the uric acid to prealbumin ratio and frailty, muscle strength, and malnutrition risk in older geriatric outpatients: a retrospective cross-sectional study

Frailty, sarcopenia, and malnutrition are common in older adults; however, simple biomarkers reflecting both inflammatory and nutritional status remain limited. We aimed to evaluate the relationship between the uric acid-to-prealbumin ratio (UPR) and frailty, muscle strength, and the risk of malnutrition. In this retro...

Orhan Çiçek, Ilyas Akkar, Z. Turgut et al. · 0 citations

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