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Adaptation of Semiautomated Circulating Tumor Cell (CTC) Assays for Clinical and Preclinical Research Applications
Published on: February 28, 2014
Cancer/testis (CT) antigens, carcinogenesis and spermatogenesis
Yan-Ho Cheng1,2, Elissa Wp Wong1, C Yan Cheng1
1Center for Biomedical Research; The Population Council; New York, NY USA.
Spermatogenesis
|February 10, 2012
Summary
Cancer/testis antigens (CT antigens) are oncogenes expressed in the testis and cancers. This review explores selected CT antigens potentially involved in spermatogenesis, offering insights for researchers studying these roles.
Area of Science:
- Reproductive biology and oncology
- Molecular and cellular biology
Background:
- Spermatogenesis involves germ cells expressing specific antigens, many with unknown functions.
- A subset of these antigens are proto-oncogenes and oncogenes, termed cancer/testis antigens (CT antigens), due to their restricted expression in the testis and various cancers.
- Over 140 CT antigen members across 70 families have been identified since the 1980s.
Purpose of the Study:
- To review recent findings on selected CT antigens.
- To highlight CT antigens potentially involved in spermatogenesis due to their restricted expression during germ cell development.
- To provide insights for researchers investigating the roles of these oncogenes in spermatogenesis.
Main Methods:
- Review of existing literature on cancer/testis antigens and spermatogenesis.
- Analysis of studies focusing on the expression patterns of specific CT antigens during spermatogenesis.
- Synthesis of current knowledge regarding the potential functions of these antigens in germ cell development.
Main Results:
- Many CT antigens are transiently expressed during spermatogenesis, coinciding with critical events like cell cycle progression, meiosis, and spermiogenesis.
- Antibodies against some CT antigens are detected in cancer patients, but not typically in healthy individuals, despite antigen presence outside the blood-testis barrier.
- Selected CT antigens show unusual restricted expression patterns within the testis, suggesting specific roles in germ cell development.
Conclusions:
- CT antigens represent a unique class of molecules with restricted expression in both the testis and tumors.
- Their specific expression during spermatogenesis suggests significant roles in germ cell development and function.
- Further research into these CT antigens could elucidate their oncogenic functions and potential as targets for cancer immunotherapy and reproductive health studies.
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