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MAEL as a diagnostic marker for the early detection of esophageal squamous cell carcinoma

Authors
  • Abbaszadegan, Mohammad Reza1
  • Taghehchian, Negin2
  • Aarabi, Azadeh1
  • Akbari, Faride1
  • Saburi, Ehsan1
  • Moghbeli, Meysam1
  • 1 Mashhad University of Medical Sciences, Mashhad, Iran , Mashhad (Iran)
  • 2 Ferdowsi University of Mashhad, Mashhad, Iran , Mashhad (Iran)
Type
Published Article
Journal
Diagnostic Pathology
Publisher
BioMed Central
Publication Date
Apr 26, 2021
Volume
16
Issue
1
Identifiers
DOI: 10.1186/s13000-021-01098-z
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundEsophageal cancer is one of the most common malignancies among Iranians and is categorized as adenocarcinoma and squamous cell carcinoma. Various environmental and genetic factors are involved in this malignancy. Despite the recent advances in therapeutic modalities there is still a noticeable mortality rate among such patients which can be related to the late diagnosis. Regarding high ratio of esophageal squamous cell carcinoma (ESCC) in Iran, therefore it is required to assess molecular biology of ESCC to introduce novel diagnostic markers. In present study we assessed the role of Maelstrom (MAEL) cancer testis gene in biology of ESCC among Iranian patients.MethodsForty-five freshly normal and tumor tissues were enrolled to evaluate the levels of MAEL mRNA expression using Real time polymerase chain reaction.ResultsMAEL under and over expressions were observed in 12 (26.7%) and 9 (20%) of patients, respectively. MAEL fold changes were ranged between -4.33 to -1.87 (mean SD: -2.90± 0.24) and 1.92 to 7.72 (mean SD: 3.97± 0.69) in under and over expressed cases, respectively. There was a significant association between stage and MAEL expression in which majority of MAEL over expressed tumors (8/9, 88.9%) were in stage I/II (p<0.001). There was also a significant correlation between MAEL expression and depth of invasion in which tumor with T1/2 had higher levels of MAEL expression compared with T3/4 tumors (p=0.017). Moreover, there were significant correlations between MAEL expression, tumor size (p=0.028), and grade (p=0.003) among male patients.ConclusionsOur data showed that the MAEL was mainly involved in primary stages of tumor progression and it has a declining expression levels toward the advanced stages and higher depth of tumor invasions. Therefore, MAEL can be efficiently introduced as an early detection marker among Iranian ESCC patients.

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