Proteomic Expression Profile in Human Temporomandibular Joint Dysfunction

Temporomandibular joint dysfunction (TMD) is a multifactorial condition that impairs human's health and quality of life. Its etiology is still a challenge due to its complex development and the great number of different conditions it comprises. One of the most common forms of TMD is anterior di...

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Bibliographic Details
Published in:Diagnostics (Basel) 2021-03, Vol.11 (4), p.601
Main Authors: Doetzer, Andrea Duarte, Herai, Roberto Hirochi, Buzalaf, Marília Afonso Rabelo, Trevilatto, Paula Cristina
Format: Article
Language:English
Subjects:
Asymmetry
Disease
Etiology
Hyperplasia
Investigations
Pain
Peptides
protein expression
Proteins
Surgery
temporomandibular joint
temporomandibular joint dysfunction
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Summary:Temporomandibular joint dysfunction (TMD) is a multifactorial condition that impairs human's health and quality of life. Its etiology is still a challenge due to its complex development and the great number of different conditions it comprises. One of the most common forms of TMD is anterior disc displacement without reduction (DDWoR) and other TMDs with distinct origins are condylar hyperplasia (CH) and mandibular dislocation (MD). Thus, the aim of this study is to identify the protein expression profile of synovial fluid and the temporomandibular joint disc of patients diagnosed with DDWoR, CH and MD. Synovial fluid and a fraction of the temporomandibular joint disc were collected from nine patients diagnosed with DDWoR ( = 3), CH ( = 4) and MD ( = 2). Samples were subjected to label-free nLC-MS/MS for proteomic data extraction, and then bioinformatics analysis were conducted for protein identification and functional annotation. The three TMD conditions showed different protein expression profiles, and novel proteins were identified in both synovial fluid and disc sample. TMD is a complex condition and the identification of the proteins expressed in the three different types of TMD may contribute to a better comprehension of how each pathology develops and evolutes, benefitting the patient with a focus-target treatment.
ISSN:2075-4418
2075-4418
DOI:10.3390/diagnostics11040601