Related Experiment Video
Updated: May 15, 2026
Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer
Published on: January 12, 2020
Expression analysis of four testis-specific genes AURKC, OIP5, PIWIL2 and TAF7L in acute myeloid leukemia: a
Fatemeh Yazarloo1, Reza Shirkoohi, Maryam Beigom Mobasheri
1Department of Medical Genetics, Tehran University of Medical Sciences, PO Box 14155-6447, Tehran, Iran.
Abstract:
Cancer testis antigens (CTAs) have normal expression restricted in the testis and also inappropriate expression in various tumor types. Special and favorable characteristics of these genes, as being immunogenic and therefore having the potential to be used as tumor vaccine, have made them as one of the star attractions of the cancer research. Acute myeloid leukemia (AML) is a highly heterogeneous hematological disorder with various reported changes in gene expression. To find new CTA genes in AML, we analyzed the expression pattern of four testis-specific genes AURKC, OIP5, PIWIL2 and TAF7L using real-time quantitative PCR in 51 AMLs and 6 myelodysplastic syndrome cases in comparison with 33 healthy controls. The expression of the studied genes, noticeably OIP5 and TAF7L, differed between studied groups in a gender-dependent manner. Upregulation of OIP5 was observed only in ~41 % of the female AML patients as compared to the healthy females. The remaining ~59 % of the male AML patients, when compared to the healthy males, displayed downregulation of TAF7L. This finding may affect many aspects of AML such as diagnosis, prognosis assessment and treatment choice.
Insights
This study investigated cancer testis antigens (CTAs) in acute myeloid leukemia (AML). Researchers found gender-specific expression patterns for OIP5 and TAF7L genes in AML patients, suggesting potential diagnostic and therapeutic implications.
Area of Science:
- Oncology
- Genetics
- Immunology
Background:
- Cancer testis antigens (CTAs) are normally restricted to the testis but aberrantly expressed in various cancers.
- CTAs are immunogenic, showing promise for cancer vaccine development.
- Acute myeloid leukemia (AML) is a heterogeneous hematological malignancy with known gene expression alterations.
Purpose of the Study:
- To identify novel CTA genes in AML.
- To analyze the expression patterns of four testis-specific genes (AURKC, OIP5, PIWIL2, TAF7L) in AML.
- To investigate potential gender-specific expression differences of these CTAs in AML.
Main Methods:
- Real-time quantitative PCR was used to analyze gene expression.
- Expression levels of AURKC, OIP5, PIWIL2, and TAF7L were measured in 51 AML patients, 6 myelodysplastic syndrome cases, and 33 healthy controls.
- Data analysis focused on gender-dependent expression patterns.
Main Results:
- Significant differences in gene expression were observed between patient groups and healthy controls, particularly for OIP5 and TAF7L.
- OIP5 was upregulated in approximately 41% of female AML patients compared to healthy females.
- TAF7L was downregulated in approximately 59% of male AML patients compared to healthy males.
Conclusions:
- The expression of OIP5 and TAF7L in AML exhibits a gender-dependent pattern.
- These findings may have implications for AML diagnosis, prognosis, and treatment strategies.
- Further research into CTA expression in AML could lead to novel therapeutic approaches.
