Non-Cochrane · aetiology · PM41660898

Micronuclei in the Buccal Mucosal Cells are Genotoxicity Markers in Oral Potentially Malignant Disorders: A Systematic Review and Meta-Analysis.

Chauhan Anoushka, Angadi Punnya V · Asian Pacific journal of cancer prevention : APJCP · 2026 · PubMed · doi:10.31557/apjcp.2026.27.2.413

Findings

5 findings

Population
People with oral potentially malignant disorders (OPMD, unsegregated) and healthy controlsoral potentially malignant disorders (OPMD, unsegregated)Healthy controlsMicronuclei (MN) count in exfoliated buccal mucosal cells
Overall estimate as stated in Abstract
SMD 3.08 [1.80, 4.35]
GRADE not reported
Studies not reported
People with oral potentially malignant disorders (OPMD, unsegregated) and healthy controlsoral potentially malignant disorders (OPMD, unsegregated)Healthy controlsMicronuclei (MN) count in exfoliated buccal mucosal cellsSMD 2.14 [0.13, 4.15]
GRADE not reported
9 studies · 925 participants
People with oral leukoplakia and healthy controlsoral leukoplakiaHealthy controlsMicronuclei (MN) count in exfoliated buccal mucosal cellsSMD 2.75 [1.76, 3.74]
GRADE not reported
11 studies · 738 participants
People with oral lichen planus and healthy controlsoral lichen planusHealthy controlsMicronuclei (MN) count in exfoliated buccal mucosal cellsSMD 1.47 [1.12, 1.82]
GRADE not reported
6 studies · 349 participants
People with oral submucous fibrosis (OSMF) and healthy controlsoral submucous fibrosis (OSMF)Healthy controlsMicronuclei (MN) count in exfoliated buccal mucosal cellsSMD 5.55 [0.77, 10.32]
GRADE not reported
11 studies · 889 participants

Included primary studies 28

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Bhatnagar 2023
matched by author and year (probable)
NRthis review onlynot statednot extracted yet
Dave 2019
Evaluation of Micronucleus Frequencies in Exfoliated Buccal Cells of Potentially Malignant Disorder Subjects Using Feulgen Stain
DOI:10.5866/2019.11.10086
2019this review onlynot statednot extracted yet
Grover 2014
matched by author and year (probable)
NRthis review onlynot statednot extracted yet
Grover 2014
Ruthenium intermetallics grown from La-Ni flux: synthesis, structure, and physical properties.
PMID:20141115
2010this review onlynot statednot extracted yet
Gupta 2019
Comparison of different stains in exfoliated oral mucosal cell micronucleus of potentially malignant disorders of oral cavity.
PMID:31169229
2019this review onlynot statednot extracted yet
Jaiswal and Sharma 2019
An assessment of Genotoxic Damage in Exfoliated Buccal Cells using Saliva as a tool
DOI:10.4103/jasi.jasi_99_19
2019this review onlynot statednot extracted yet
Joshi 2010
Cytogenetic alterations in buccal mucosa cells of chewers of areca nut and tobacco.
PMID:20863483
2011this review onlynot statednot extracted yet
Juneja 2019
Utility of DNA-Specific Stains in Micronuclei Assay as a Marker of Genotoxicity in Oral Potentially Malignant Disorders and Oral Squamous…
PMID:30992647
2019this review onlynot statednot extracted yet
Jyoti 2012
Micronucleus investigation in human buccal epithelial cells of gutkha users.
PMID:23326766
2012this review onlynot statednot extracted yet
Kamboj 2006
Micronucleus--an upcoming marker of genotoxic damage.
PMID:17031674
2007this review onlynot statednot extracted yet
Katarkar 2014
Comparative evaluation of genotoxicity by micronucleus assay in the buccal mucosa over comet assay in peripheral blood in oral precancer…
PMID:25053835
2014this review onlynot statednot extracted yet
Khalida Begum 2016
Unblocking brainstorms.
PMID:2016214
1991this review onlynot statednot extracted yet
Khanna 2014
Cytogenetic biomonitoring of premalignant and malignant oral lesions by micronuclei assessment: A screening evaluation
DOI:10.4103/2278-9626.126211
2014this review onlynot statednot extracted yet
Kohli 2017
Micronucleus Assay: An Early Diagnostic Tool to Assess Genotoxic Changes in Patients with Tobacco Use, Oral Leukoplakia and Oral Submucous…
PMID:29207828
2017this review onlynot statednot extracted yet
Koneru 2011
Comparative study of oral micronucleated cell frequency in oral submucous fibrosis patients and healthy individuals
DOI:10.4317/jced.3.e201
2011this review onlynot statednot extracted yet
Mahimkar 2010
Influence of genetic polymorphisms on frequency of micronucleated buccal epithelial cells in leukoplakia patients.
PMID:20850372
2010this review onlynot statednot extracted yet
Neha Gupta 2019
Comparative evaluation of micronuclei in exfoliated oral epithelial cells in potentially malignant disorders and malignant lesions using…
PMID:31110437
2019this review onlynot statednot extracted yet
Paravathi Devi 2011
Micronucleus Assay for Evaluation of Genotoxicity in Potentially Malignant and Malignant Disorders
DOI:10.5005/jp-journals-10011-1103
2011this review onlynot statednot extracted yet
Pushapanjali 2017
matched by author and year (probable)
NRthis review onlynot statednot extracted yet
Pushpanjali 2017
matched by author and year (probable)
NRthis review onlynot statednot extracted yet
Sanchez-Siles 2011
A novel application of the buccal micronucleus cytome assay in oral lichen planus: a pilot study.
PMID:21429474
2011this review onlynot statednot extracted yet
Sangle 2016
Comparative study of frequency of micronuclei in normal, potentially malignant diseases and oral squamous cell carcinoma.
PMID:27003966
2016this review onlynot statednot extracted yet
Sarahanglu 2013
Evaluation of micronuclear frequencies in both circulating lymphocytes and buccal epithelial cells of patients with oral lichen planus and…
PMID:24033885
2014this review onlynot statednot extracted yet
Saran 2007
Risk assessment of oral cancer in patients with pre-cancerous states of the oral cavity using micronucleus test and challenge assay.
PMID:17936677
2008this review onlynot statednot extracted yet
Singam 2019
Evaluation of genotoxicity by micronucleus assay in oral leukoplakia and oral squamous cell carcinoma with deleterious habits.
PMID:31516241
2019this review onlynot statednot extracted yet
Sudha 2023
Salivary Oxidative Stress Assessment in Tobacco Users with and without Potentially Malignant Disorders and Micronuclei Estimation using…
PMID:42040215
2026this review onlynot statednot extracted yet
Vidyalakshmi 2016
Buccal Micronuclei Assay as a Tool For Biomonitoring DNA Damage in Oral Lichen Planus.
PMID:27630941
2016this review onlynot statednot extracted yet
Wagh 2018
Micronuclei in Exfoliated Oral Epithelial Cells in Tobacco Users and Controls with Various Oral Lesions: A Study from Gujarat, India.
PMID:30906725
2019this review onlynot statednot extracted yet

Review question

ElementPlanned (methods)Found (results)
PopulationHuman subjects with oral potentially malignant disorders (leukoplakia, oral lichen planus, oral submucous fibrosis) with control groups1,489 OPMD cases (417 leukoplakia, 180 oral lichen planus, 401 OSMF, 491 unsegregated OPMDs) and 1,078 healthy controls (26 studies; 25 in meta-analysis)
InterventionOral potentially malignant disorders (micronuclei assessed in buccal cells)OPMD: leukoplakia (11 studies in meta-analysis), oral lichen planus (6), OSMF (11), unsegregated OPMD (9)
ComparisonHealthy controlsHealthy controls
OutcomesMicronuclei frequency (mean count) in exfoliated buccal mucosal cells as a genotoxicity markerMean micronuclei count in buccal cells (Cohen's d)
Study designsPeer-reviewed original studies in English with control groups (observational)Observational studies, mostly Indian population; modified Newcastle-Ottawa Scale
TimingNot specifiedNot specified