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Published on: July 22, 2020
THSD7A expression in human cancer
Phillip R Stahl1, Elion Hoxha2, Thorsten Wiech1
1Institute of Pathology, University Medical Center Hamburg-Eppendorf.
Abstract:
We recently described a case of a Thrombospondin Type-1 Domain containing 7A (THSD7A) associated membranous nephropathy in a female patient who was synchronously suffering from a THSD7A-positive malignancy. We here investigated the role of THSD7A as a new potential tumor antigen by evaluating over 20 000 tissue spots in more than 70 different tumor entities by immunohistochemistry using tissue microarrays. THSD7A expression was highly variable in different neoplasias with differing staining patterns. Both gain and loss of THSD7A expression compared to expression status in non-tumor tissue were linked to tumor-specific markers in the different tumor entities and were of prognostic value. The potential role of THSD7A in tumor development and therapy needs further investigation.
Insights
Thrombospondin Type-1 Domain containing 7A (THSD7A) may act as a tumor antigen. Its expression varies across tumor types and correlates with specific markers and prognosis, suggesting a role in cancer development and therapy.
Area of Science:
- Oncology
- Nephrology
- Immunology
Background:
- Thrombospondin Type-1 Domain containing 7A (THSD7A) is implicated in membranous nephropathy.
- THSD7A-associated malignancy was observed in a patient with THSD7A-associated membranous nephropathy.
- The potential role of THSD7A as a tumor antigen requires further investigation.
Purpose of the Study:
- To investigate the role of THSD7A as a potential tumor antigen.
- To evaluate THSD7A expression across a wide range of tumor types.
- To correlate THSD7A expression with tumor-specific markers and patient prognosis.
Main Methods:
- Immunohistochemistry was performed on over 20,000 tissue spots from more than 70 tumor entities using tissue microarrays.
- THSD7A expression patterns were analyzed in various neoplasms.
- Correlation between THSD7A expression and tumor-specific markers was assessed.
Main Results:
- THSD7A expression exhibited significant variability across different tumor types and staining patterns.
- Both increased and decreased THSD7A expression (compared to non-tumor tissue) were associated with tumor-specific markers.
- THSD7A expression levels demonstrated prognostic value in different tumor entities.
Conclusions:
- THSD7A is a potential tumor antigen with variable expression in neoplasms.
- Altered THSD7A expression is linked to tumor characteristics and prognosis.
- Further research is warranted to elucidate the role of THSD7A in tumor development and therapeutic strategies.
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