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Evaluation of prolidase activity and oxidative stress in patients with oral lichen planus and oral lichenoid contact reactions.
J Oral Pathol Med. 2016 Apr; 45(4):281-8.JO

Abstract

OBJECTIVE

The aim of this study was to evaluate prolidase activity and oxidative stress in patients with oral lichen planus (OLP) and oral lichenoid contact reactions (OLCR) using serum and salivary samples and to compare these biomarkers with each other as well as with a group of healthy subjects in order to be able to opine their role in the estimation of OLP and OLCR.

PATIENTS AND METHODS

Eighteen recently diagnosed patients with OLP, 32 patients with OLCR and 18 healthy controls with matched periodontal status were recruited to the study. Prolidase activity, lipid peroxidation product malondialdehyde (MDA), sialic acid (SA), and advanced oxidation protein products (AOPPs) levels in both serum and saliva were determined. Additionally, salivary flow rate and its buffering capacity were estimated. Statistical analyses were performed using the chi-square test, t-test, Mann-Whitney U-test, and Spearman's rho correlation coefficient.

RESULTS

No statistically significant differences were observed between the study groups and the control group regarding to the basic characteristics and the periodontal status (P > 0.05). There were no statistically significant differences between OLP and OLCR groups regarding to the distribution of lesions' type, severity, and location (P > 0.05). No significant differences were found between the two study groups with regard to Prolidase activity, MDA, SA, and AOPPs (P ˃ 0.05), whereas statistically significant differences were found between the two study groups and the control group with regard to all evaluated parameters except of serum prolidase (P ˂ 0.01). Moderate correlation was found between salivary MDA and the OLP/OLCR lesion severity, whereas a weak correlation was observed between serum SA and the OLP/OLCR lesion severity (P ˂ 0.05).

CONCLUSIONS

The findings of this study suggest an increased prolidase activity and oxidative stress and imbalance in the antioxidant defense system in biological fluids of patients with OLP and OLCR when compared with the healthy subjects. Both OLP and OLCR patients revealed almost similar prolidase activity and oxidative stress levels although these two conditions have different etiopathogenesis.

Authors+Show Affiliations

Department of Biochemistry, Faculty of Dentistry, Istanbul University, Istanbul, Turkey.Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Istanbul University, Istanbul, Turkey.Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Istanbul University, Istanbul, Turkey.Department of Oral Medicine and WHO Collaborating Centre for Oral Cancer, King's College London Dental Institute, London, UK.Department of Biochemistry, Cerrahpasa Faculty of Medicine, Istanbul University, Istanbul, Turkey.Department of Biochemistry, Faculty of Dentistry, Istanbul University, Istanbul, Turkey.Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Istanbul University, Istanbul, Turkey.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

26661727

Citation

Batu, Şule, et al. "Evaluation of Prolidase Activity and Oxidative Stress in Patients With Oral Lichen Planus and Oral Lichenoid Contact Reactions." Journal of Oral Pathology & Medicine : Official Publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology, vol. 45, no. 4, 2016, pp. 281-8.
Batu Ş, Ofluoğlu D, Ergun S, et al. Evaluation of prolidase activity and oxidative stress in patients with oral lichen planus and oral lichenoid contact reactions. J Oral Pathol Med. 2016;45(4):281-8.
Batu, Ş., Ofluoğlu, D., Ergun, S., Warnakulasuriya, S., Uslu, E., Güven, Y., & Tanyeri, H. (2016). Evaluation of prolidase activity and oxidative stress in patients with oral lichen planus and oral lichenoid contact reactions. Journal of Oral Pathology & Medicine : Official Publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology, 45(4), 281-8. https://doi.org/10.1111/jop.12391
Batu Ş, et al. Evaluation of Prolidase Activity and Oxidative Stress in Patients With Oral Lichen Planus and Oral Lichenoid Contact Reactions. J Oral Pathol Med. 2016;45(4):281-8. PubMed PMID: 26661727.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Evaluation of prolidase activity and oxidative stress in patients with oral lichen planus and oral lichenoid contact reactions. AU - Batu,Şule, AU - Ofluoğlu,Duygu, AU - Ergun,Sertan, AU - Warnakulasuriya,Saman, AU - Uslu,Ezel, AU - Güven,Yegane, AU - Tanyeri,Hakkı, Y1 - 2015/12/14/ PY - 2015/10/26/accepted PY - 2015/12/15/entrez PY - 2015/12/15/pubmed PY - 2017/2/2/medline KW - oral lichen planus KW - oral lichenoid contact reactions KW - oxidative stress KW - prolidase KW - sialic acid SP - 281 EP - 8 JF - Journal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology JO - J Oral Pathol Med VL - 45 IS - 4 N2 - OBJECTIVE: The aim of this study was to evaluate prolidase activity and oxidative stress in patients with oral lichen planus (OLP) and oral lichenoid contact reactions (OLCR) using serum and salivary samples and to compare these biomarkers with each other as well as with a group of healthy subjects in order to be able to opine their role in the estimation of OLP and OLCR. PATIENTS AND METHODS: Eighteen recently diagnosed patients with OLP, 32 patients with OLCR and 18 healthy controls with matched periodontal status were recruited to the study. Prolidase activity, lipid peroxidation product malondialdehyde (MDA), sialic acid (SA), and advanced oxidation protein products (AOPPs) levels in both serum and saliva were determined. Additionally, salivary flow rate and its buffering capacity were estimated. Statistical analyses were performed using the chi-square test, t-test, Mann-Whitney U-test, and Spearman's rho correlation coefficient. RESULTS: No statistically significant differences were observed between the study groups and the control group regarding to the basic characteristics and the periodontal status (P > 0.05). There were no statistically significant differences between OLP and OLCR groups regarding to the distribution of lesions' type, severity, and location (P > 0.05). No significant differences were found between the two study groups with regard to Prolidase activity, MDA, SA, and AOPPs (P ˃ 0.05), whereas statistically significant differences were found between the two study groups and the control group with regard to all evaluated parameters except of serum prolidase (P ˂ 0.01). Moderate correlation was found between salivary MDA and the OLP/OLCR lesion severity, whereas a weak correlation was observed between serum SA and the OLP/OLCR lesion severity (P ˂ 0.05). CONCLUSIONS: The findings of this study suggest an increased prolidase activity and oxidative stress and imbalance in the antioxidant defense system in biological fluids of patients with OLP and OLCR when compared with the healthy subjects. Both OLP and OLCR patients revealed almost similar prolidase activity and oxidative stress levels although these two conditions have different etiopathogenesis. SN - 1600-0714 UR - https://www.unboundmedicine.com/medline/citation/26661727/Evaluation_of_prolidase_activity_and_oxidative_stress_in_patients_with_oral_lichen_planus_and_oral_lichenoid_contact_reactions_ L2 - https://doi.org/10.1111/jop.12391 DB - PRIME DP - Unbound Medicine ER -