MiR-4668 as a novel potential biomarker for eosinophilic esophagitis

Neeti Bhardwaj, Maria Sena, Gisoo Ghaffari, Faoud Ishmael

Research output: Contribution to journalArticlepeer-review


Eosinophilic esophagitis (EoE) is a clinico-pathological diagnosis characterized by esophageal dysfunction and eosinophilic infiltration of the esophagus. Demonstration of esophageal eosinophilia (more than 15 eosinophils/hpf) in biopsy specimen obtained by esophagogastroduodenoscopy (EGD) continues to be the gold standard for diagnosis and monitoring of response to therapy. There is a growing necessity for non-invasive biomarkers that can accurately diagnose this condition and assess response to therapy. While microRNAs (miRNA) are being investigated in allergic diseases, including EoE, not many studies have explored the role of salivary miRNAs in EoE. MiR-4668-5p is a particularly interesting candidate, as it is predicted to regulate TGF-beta signaling and has not previously been identified as a target in any allergy disease. We sought to further investigate the role of miR-4668 as a biomarker to characterize and monitor response to treatment with swallowed topical glucocorticoids.
Original languageEnglish (US)
Pages (from-to)1-7
JournalAllergy and Rhinology
StatePublished - Aug 2020


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