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Gulsah Ozsoy,Esra Ates Bulut,Baris Gurpinar,Nursen Ilcin,Ahmet Turan Isik 대한노인병학회 2021 Annals of geriatric medicine and research Vol.25 No.4
Background: Frailty is a multidimensional and dynamic state that has adverse physical, psychological, and social outcomes. The Tilburg Frailty Indicator (TFI) has the most robust evidence of reliability and validity for assessing frailty. However, the characteristics of TFI have not been investigated in detail. This study aimed to set a cutoff score for frailty and evaluate frailty-associated factors in community-dwelling older adults. Methods: This cross-sectional study assessed frailty according to both the TFI and Fried criteria. The Geriatric Depression Scale, basic and instrumental activities of daily living, and Hospital Anxiety and Depression Scale-Anxiety subscale were also implemented. Results: This study included 166 older adults. The area under the receiver operating characteristic curve was 0.735 (95% confidence interval, 0.648–0.823). A TFI cutoff point of 8, showed a sensitivity of 60% and specificity of 72.5% for the prediction of frailty (p<0.05). Frailty according to the TFI was more associated with the physical and psychological parameters, while frailty according to the Fried score was more closely related to the physical parameters (p<0.05). Conclusion: The results of this study suggested an optimal TFI cutoff score of 8 as a frailty instrument in community-dwelling older adults. Additionally, the TFI included physical, psychological, and social aspects, thereby providing a multidimensional evaluation of frailty.
Fentoglu, Ozlem,Bulut, Memduha Tozum,Dogan, Burak,Kirzioglu, Fatma Yesim,Dogan, Esra Sinem Kemer Korean Academy of Periodontology 2020 Journal of Periodontal & Implant Science Vol.50 No.3
Purpose: The aim of this study was to evaluate the serum levels of oxidized low-density lipoprotein (oxLDL), anti-oxLDL, and myeloperoxidase (MPO) in hyperlipidemic patients with periodontal disease. Methods: This study included 123 patients with hyperlipidemia categorized based on metabolic control as mild to moderate (H1) (n=66) or poor (H2) (n=57), as well as systemically healthy controls (C) (n=68). Serum levels of lipids, oxLDL, anti-oxLDL, and MPO were evaluated, along with clinical periodontal parameters. Results: The percentage of bleeding on probing (BOP%) and the clinical attachment level were significantly higher in the H2 group than in the C group. Patients with hyperlipidemia had a relatively high risk of developing periodontal disease. The oxLDL and anti-oxLDL levels were higher in H2 patients with periodontitis than in the control or H1 patients with periodontitis. In the H1 and H2 groups, the ratio of total cholesterol to high-density lipoprotein was significantly correlated with gingival index, BOP%, and oxLDL levels. Conclusions: Our findings indicate that the lipoprotein-associated inflammatory mediators of oxLDL, anti-oxLDL, and MPO may play an important role in the relationship between periodontal disease and hyperlipidemia.
Özlem Fentoğlu,Memduha Tözüm Bulut,Burak Doğan,Fatma Yeşim Kırzıoğlu,Esra Sinem Kemer Doğan 대한치주과학회 2020 Journal of Periodontal & Implant Science Vol.50 No.3
Purpose: The aim of this study was to evaluate the serum levels of oxidized low-density lipoprotein (oxLDL), anti-oxLDL, and myeloperoxidase (MPO) in hyperlipidemic patients with periodontal disease. Methods: This study included 123 patients with hyperlipidemia categorized based on metabolic control as mild to moderate (H1) (n=66) or poor (H2) (n=57), as well as systemically healthy controls (C) (n=68). Serum levels of lipids, oxLDL, anti-oxLDL, and MPO were evaluated, along with clinical periodontal parameters. Results: The percentage of bleeding on probing (BOP%) and the clinical attachment level were significantly higher in the H2 group than in the C group. Patients with hyperlipidemia had a relatively high risk of developing periodontal disease. The oxLDL and anti-oxLDL levels were higher in H2 patients with periodontitis than in the control or H1 patients with periodontitis. In the H1 and H2 groups, the ratio of total cholesterol to high-density lipoprotein was significantly correlated with gingival index, BOP%, and oxLDL levels. Conclusions: Our findings indicate that the lipoprotein-associated inflammatory mediators of oxLDL, anti-oxLDL, and MPO may play an important role in the relationship between periodontal disease and hyperlipidemia.
Murat Kaya,Idris Sargin,Volkan Aylanc,Muhammed Nebi Tomruk,Seda Gevrek,Isil Karatoprak,Nazlican Colak,Yasar Gul Sak,Esra Bulut 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.38 No.-
Bovine serum albumin is the key protein in blood. Chitin is a widely used biocompatible polymer inbioengineering and it is mainly found as two allomorphs (a, b). In this study the interactions of a-chitin(from the insect Omophlus sp.) and b-chitin (from the cuttlebone of Sepia sp.) with BSA were studied. Chitin isolates were examined by SEM, XRD, BET, TGA and FTIR. b-Chitin exhibited a far higher affinity forBSA than a-chitin, indicating a-chitin can be used in applications where surface–protein interactionsshould be limited, and b-chitin can be used in chitin-based materials on which protein adsorption isdesired.