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  • Kazmi, Anum  (2)
  • 1
    In: BMC Oral Health, Springer Science and Business Media LLC, Vol. 21, No. 1 ( 2021-12)
    Abstract: Oral squamous cell carcinoma is a global threat and accounts for approximately 90% of malignant oral lesions. The emergence of oral carcinoma is linked to precancerous lesions, which act as precursors of the disease. Matrix metalloproteinases appear to play a significant role in the pathogenesis of both precancerous conditions and oral malignancies due to their participation in remodeling of the extracellular matrix. Methodology This is an analytical study conducted at Dow University of Health Sciences, Pakistan. Unstimulated saliva samples were collected from healthy, oral submucous fibrosis and oral squamous cell carcinoma patients. The level of MMP-12 was estimated using enzyme-linked immunosorbent assay. One-way Analysis of variance was run to determine if MMP-12 levels differ between the three groups, which was preceded by post hoc Tuckey test. MMP-12 cut off values were determined using Receiver operating characteristic curve. Results A significant difference in salivary MMP-12 expression was observed in OSF and OSCC ( p   〈  0.001). The expression of salivary MMP-12 was higher in OSF and OSCC patients as compared to the healthy group ( p   〈  0.001). The mean MMP-12 expression in OSCC appeared higher than in OSF cases ( p   〈  0.05). MMP-12 value of $$\ge$$ ≥ 4.05 ng/ml and $$\ge$$ ≥ 4.20 ng/ml is predictive of OSF and OSCC respectively, with 100% sensitivity and specificity ( p   〈  0.001). Conclusion Increased expression of MMP-12 appears as the healthy patient advances to OSF and OSCC. The study results also demonstrate higher MMP-12 expression in OSCC patients as compared to OSF. Therefore, the estimation of salivary MMP-12 serves as a valuable non-invasive early diagnostic tool in diagnosing oral submucous fibrosis and oral squamous cell carcinoma.
    Type of Medium: Online Resource
    ISSN: 1472-6831
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2021
    detail.hit.zdb_id: 2091511-1
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  • 2
    In: BMJ Open, BMJ, Vol. 12, No. 12 ( 2022-12), p. e060738-
    Abstract: We aim to evaluate salivary matrix metalloproteinases (MMP-8) levels in oral submucous fibrosis (OSF) and oral squamous cell carcinoma (OSCC) for the purpose of diagnosis at the early stage via non-invasive method. Setting The study was multicentre, carried out at a tertiary care hospital in Karachi, Pakistan. Participants A total 60 participants of any age, sex and ethnicity were randomly selected for the purpose of this study. Patients demonstrating clinical evidence of OSF and biopsy-proven cases of OSCC were included. Patients with indeterminate histopathological report, immunodeficiency, autoimmune disorder, chronic medical and periodontal disease (periodontal depth greater than 5 mm) and individuals with interincisal mouth opening greater than 35 mm were excluded from the study. Interventions Salivary MMP-8 levels were observed in OSF, healthy and OSCC groups by using ELISA. One way analysis of variance was applied to establish whether MMP-8 levels of disease-free individuals and patients suffering from OSF and OSCC differed from each other. Results Statistically significant difference in salivary MMP-8 expression in diseased and control group was observed. MMP-8 levels in OSCC (0.64 ng/mL) and OSF (0.66 ng/mL) were underexpressed as compared with healthy participants (7.9 ng/mL). Conclusion MMP-8 levels were underexpressed in OSCC and OSF patients as compared with controls, which imply that MMP-8 level has an inverse relation with OSCC and OSF.
    Type of Medium: Online Resource
    ISSN: 2044-6055 , 2044-6055
    Language: English
    Publisher: BMJ
    Publication Date: 2022
    detail.hit.zdb_id: 2599832-8
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