Background: Enzyme Lactate Dehydrogenase (LDH) is found in the cells of almost all body tissues. The profile of salivary total LDH enzymes is similar to that found in oral epithelium, indicating that the major source of salivary LDH is probably the oral epithelium-shedding cells. Consequently, LDH concentration in saliva, as an expression of cellular necrosis, could be a specific indicator for oral lesions that affect the integrity of the oral mucosa.
Materials And Methods: Study comprised of three groups as follows: Group I: Comprised of 25 healthy individuals of comparable age. Group II: 25 otherwise healthy and consenting patients with oral leukoplakia (OL). Group III: 25 otherwise healthy and consenting oral squamous cell carcinoma (OSCC) patients. Biochemical estimation of LDH was done with the help of Semiautomatic Analyzer.
Results: Inter comparison of salivary total LDH levels between all the three groups revealed that salivary LDH levels increase from healthy control group to Oral Leukoplakia group to further increase in OSCC group. On comparisons between the histopathological grades of OSCC group the level of LDH were found to increase from well differentiated to moderately differentiated to further increase in poorly differentiated patients.
Conclusion: The present salivary analysis for LDH enzyme reveals an overall altered salivary LDH enzyme level in OL and OSCC cases.
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http://dx.doi.org/10.4103/0973-1482.138193 | DOI Listing |
Pathologica
December 2024
Functional and Molecular Neuroimaging Unit, Bellaria Hospital, Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.
Objectives: The aim of the present study was to analyze the methylation status in patients who presented with an Oral Squamous Cell Carcinoma (OSCC) concomitantly with multifocal Proliferative Verrucous Leukoplakia (PVL)(PVL-OSCC).
Methods: Nine patients with OSCC and concomitant PVL lesions were selected. Two brushing samples were collected simultaneously from OSCC and PVL lesions in contralateral mucosa from each patient.
Am J Otolaryngol
December 2024
Boston University Chobanian and Avedisian School of Medicine, 72 E. Concord Street, Boston, MA 02118, USA; Department of Otolaryngology, Boston Medical Center, 800 Harrison Avenue, Boston, MA 02118, USA. Electronic address:
Objective: This preliminary study tested whether non-invasive, remote Elastic Scattering Spectroscopy (ESS) measurements obtained in the oral cavity can be used as a proxy to accurately differentiate between patients with laryngeal cancer versus laryngeal leukoplakia.
Methods: 20 patients with laryngeal lesions [cancer (n = 10),leukoplakia (n = 10)] were clinically assessed and categorized by otolaryngologists per standard clinical practice. Patient demographics of age, race, sex, and smoking history were collected.
Oral Dis
December 2024
Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, College of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Jiao Tong University, Shanghai, China.
J Oral Biol Craniofac Res
December 2024
Department of Oral Pathology and Microbiology, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Sant-Tukaram Nagar, Pimpri, Pune, 411018, MH, India.
Background: Bibliometric analysis of highly cited papers in a particular discipline brings forward the impactful papers published, the significant journals and the researchers in the field. These studies help in identifying research trends and research lacunae in the field, thus guiding the future research works. Oral proliferative verrucous leukoplakia (OPVL) is a challenging lesion with no uniform diagnostic criteria.
View Article and Find Full Text PDFOdontology
December 2024
Pontifícia Universidade Católica Do Paraná. Imaculada Conceição, 1155, Prado Velho, Curitiba, PR, 80215-901, Brazil.
To investigate the association of NANOG polymorphisms with oral leukoplakia. In this case-control study, 68 cases of oral leukoplakia, and 21 of normal oral mucosa (control) were submitted to genotyping of tagSNPs polymorphisms: rs877716 and rs10845877 in NANOG, through real-time polymerase chain reaction (PCR). Pearson's chi-squared and Fisher's exact statistical tests were used, with a significance of 5%.
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