Analysis of SIGLEC12 expression, IMMUNOMODULATION and prognostic value in RENAL cancer using multiomic databases

Amobichukwu K. Ogbodo, Denis Mustafov, Mohit Arora, George I. Lambrou, Maria Braoudaki, Shoib Siddiqui

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Abstract

Siglecs belong to a family of immune regulatory receptors predominantly found on hematopoietic cells. They interact with Sia, resulting in the activation or inhibition of the immune response. Previous reports have suggested that the SIGLEC12 gene, which encodes the Siglec-XII protein, is expressed in the epithelial tissues and upregulated in carcinomas. However, studies deciphering the role of Siglec-XII in renal cancer (RC) are still unavailable, and here we provide insights on this question. We conducted expression analysis using the Human Protein Atlas and UALCAN databases. The impact of SIGLEC12 on RC prognosis was determined using the KM plotter, and an assessment of immune infiltration with SIGLEC12 was performed using the TIMER database. GSEA was conducted to identify the pathways affected by SIGLEC12. Finally, using GeneMania, we identified Siglec-XII interacting proteins. Our findings indicated that macrophages express SIGLEC12 in the kidney. Furthermore, we hypothesize that Siglec-XII expression might be involved in the increase of primary RC, but this effect may not be dependent on the age of the patient. In the tumour microenvironment, oncogenic pathways appeared to be upregulated by SIGLEC12. Similarly, our analysis suggested that SIGLEC12-related kidney renal papillary cell carcinomas may be more suitable for targeted immunotherapy, such as CTLA-4 and PD-1/PD-L1 inhibitors. These preliminary results suggested that high expression of SIGLEC12 is associated with poor prognosis for RC. Future studies to assess its clinical utility are necessitated.
Original languageEnglish
Article numberE24286
Pages (from-to)1-19
Number of pages19
JournalHeliyon
Volume10
Issue number2
Early online date11 Jan 2024
DOIs
Publication statusPublished - 30 Jan 2024

Keywords

  • Carcinomas
  • Immunotherapy
  • KM plotter
  • Kidney
  • SIGLEC12
  • UALCAN

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