Peripheral Blood circRNA Microarray Profiling Identities hsa_circ_0001831 and hsa_circ_0000867 as Two Novel circRNA...

Area of Science:

• Molecular Biology
• Genomics
• Biomarker Discovery

Background:

• Type 2 diabetes mellitus (T2DM) is a leading cause of end-stage renal disease through diabetic nephropathy (DN).
• Circular RNAs (circRNAs) are emerging as critical regulators and potential biomarkers in various diseases.
• Identifying early diagnostic markers for DN is crucial for timely intervention.

Purpose of the Study:

• To investigate differential expression of circRNAs in patients with early type 2 diabetic nephropathy (ET2DN) compared to T2DM and healthy controls.
• To identify novel circRNA biomarkers for the early diagnosis of ET2DN.
• To analyze the functional implications of differentially expressed circRNAs (DECs) in ET2DN.

Main Methods:

• circRNA microarray analysis of peripheral blood samples from ET2DN, T2DM, and control groups.
• Validation of key circRNAs using real-time quantitative polymerase chain reaction (qRT-PCR).
• Bioinformatic analysis including Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment.

Main Results:

• Significant differences in circRNA expression profiles were observed between ET2DN, T2DM, and control groups.
• hsa_circ_0001831 and hsa_circ_0000867 were found to be significantly upregulated in ET2DN patients.
• Receiver Operating Characteristic (ROC) curve analysis confirmed the high sensitivity and specificity of these two circRNAs for ET2DN diagnosis.

Conclusions:

• circRNA expression profiles differ significantly in early type 2 diabetic nephropathy.
• hsa_circ_0001831 and hsa_circ_0000867 represent novel and promising diagnostic biomarkers for ET2DN.
• These findings contribute to the development of non-invasive diagnostic tools for diabetic nephropathy.