Immunohistochemical Expression of CD90, CD133, and TPM1 in Relation to Gastric Cancer and H. pylori Association

Theodor Bilharz Research Institute

Bibliographic Information

Authors: Gamal N.S.; Ashraf S.; Hesham N.; Aboushousha T.; Hegab F.; Safwat G.; Magdy M.

Journal: Asian Pacific Journal of Cancer Prevention

Publisher: Asian Pacific Organization for Cancer Prevention

Publication Date: 1 June 2023

Volume / Issue: Volume 24 / Issue 6

Pages: 2121–2127

ISSN: 15137368

DOI: 10.31557/APJCP.2023.24.6.2121

Scopus: View on Scopus

PubMed: 37378943

Document Type: Article

Access: All Open Access; Gold Open Access; Green Open Access

Authors and Affiliations

Gamal N.S., Faculty of Biotechnology, October University for Modern Science and Arts, Giza, Egypt; Ashraf S., Faculty of Biotechnology, October University for Modern Science and Arts, Giza, Egypt; Hesham N., Faculty of Biotechnology, October University for Modern Science and Arts, Giza, Egypt; Aboushousha T., Pathology Department, Theodor Bilharz Research Institute, Cairo, Egypt; Hegab F., Pathology Department, Theodor Bilharz Research Institute, Cairo, Egypt; Safwat G., Faculty of Biotechnology, October University for Modern Science and Arts, Giza, Egypt; Magdy M., Pathology Department, Theodor Bilharz Research Institute, Cairo, Egypt

Abstract

Background: Gastric cancer (GC) is the second most common cause of cancer-related death worldwide. Multiple malignancies overexpress CD90, making it a helpful diagnostic and prognostic marker. CD133 is suggested to be related to poor prognosis in GC. Tropomyosin-1 (TPM1) tumor-suppressor gene low expression may predict poor survival in GC. Our study aimed to investigate CD90, CD133, and TPM1 immunohistochemical expression in GC in relation to diagnosis, prognosis, and Helicobacter pylori (H. pylori) infection. Methods: 144 paraffin blocks containing gastric cancerous (108 cases), and non-cancerous (36 cases) tissue were analyzed histopathologically for the type of lesion, grade, and stage of malignancy and by using an immunohistochemical assay for studying the expression of CD90, CD133, and TPM1. Data analysis was carried out using the Statistical Package for the Social Sciences (SPSS) version 20.0. Results: The obtained results showed a significantly higher expression of CD90 and CD133 while showing a significantly lower expression of TPM1 in malignant samples compared to benign ones. CD90 was significantly higher in grade-3, stage-3, and N3 (p<0.05), with no significant difference concerning positive and negative H. pylori samples. CD133 percentage and H-score were significantly higher in grade-2 and stage-4 tumors than in other grades and stages, while being insignificantly higher in N3 and H. pylori-positive cases. TPM1 expression levels were significantly downregulated in GC and H. pylori-positive cases (p<0.05). TPM1 downregulation was associated with grade progression, increased depth of invasion, and tumor node metastasis. Conclusion: CD90, CD133, and TPM1 immunohistochemical expression in the gastric biopsy are related firmly to grades and stages of GC as well as H. pylori infection, so they could be of prognostic value. Further studies on a larger sample size are recommended. © This work is licensed under a Creative Commons Attribution-Non Commercial 4.0 International License.

Keywords

malignancy; Stomach; target therapy; Tissue markers; Cytoskeletal Proteins; Gastroscopy; Helicobacter Infections; Helicobacter pylori; Humans; Prognosis; Stomach Neoplasms; Tropomyosin; cytoskeleton protein; TPM1 protein, human; complication; Helicobacter infection; human; pathology; stomach tumor

Citation Information

Scopus Citations: 7

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