Related Experiment Video
Updated: Aug 24, 2026

Exploring Caspase Mutations and Post-Translational Modification by Molecular Modeling Approaches
Published on: October 13, 2022
Somatic mutations of CASP3 gene in human cancers
Young Hwa Soung1, Jong Woo Lee, Su Young Kim
1Department of Pathology, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Socho-gu, 137-701 Seoul, Korea.
Abstract:
Failure of apoptosis is one of the hallmarks of cancer. As an execution-phase caspase, caspase-3 plays a crucial role during apoptosis. To explore the possibility that the genetic alterations of CASP3, which encodes caspase-3, might be involved in the development of human tumors, we analyzed the entire coding region and all splice sites of human CASP3 gene for the detection of somatic mutations in a series of 944 human tumors, including 165 stomach carcinomas, 95 colon carcinomas, 76 breast carcinomas, 80 hepatocellular carcinomas, 181 non-small cell lung cancers, 45 acute leukemias, 28 multiple myelomas, 12 medulloblastomas, 15 Wilms' tumors, 12 renal cell carcinomas, 40 esophagus carcinomas, 33 urinary bladder carcinomas, 33 laryngeal carcinomas, and 129 non-Hodgkin lymphomas. Overall, we detected 14 somatic mutations of the CASP3 gene, including six missense and four silent mutations, two mutations in the introns, one mutation in the 5'-untranslated region, and one mutation in the 3'-untranslated region. The mutations were observed in four of 98 colon carcinomas (4.1%), four of 181 non-small cell lung cancers (2.2%), two of 129 non-Hodgkin lymphomas (1.6%), two of 165 stomach carcinomas (1.2%), one of 80 hepatocellular carcinomas (1.3%), and one of 28 multiple myelomas (3.6%). This is the first report on CASP3 gene mutations in human tumors; these data indicate that the CASP3 gene is occasionally mutated in human tumors.
Insights
Genetic mutations in the CASP3 gene, crucial for apoptosis, were found in various human tumors. These CASP3 gene alterations suggest its occasional role in cancer development.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Apoptosis, or programmed cell death, is a critical process often disrupted in cancer.
- Caspase-3 is an executioner caspase essential for apoptosis, making its gene (CASP3) a candidate for cancer-related mutations.
Purpose of the Study:
- To investigate somatic mutations within the CASP3 gene across a wide spectrum of human tumors.
- To determine if genetic alterations in CASP3 contribute to the development of various human cancers.
Main Methods:
- Analysis of the entire coding region and splice sites of the human CASP3 gene.
- Screening for somatic mutations in 944 tumor samples from diverse cancer types.
Main Results:
- Fourteen distinct somatic mutations were identified in the CASP3 gene.
- Mutations included missense, silent, intronic, and untranslated region alterations.
- CASP3 mutations were detected in colon, non-small cell lung, non-Hodgkin lymphoma, stomach, hepatocellular, and multiple myeloma tumors.
Conclusions:
- This study provides the first evidence of CASP3 gene mutations in human tumors.
- The CASP3 gene is occasionally altered in human cancers, suggesting a potential role in tumorigenesis.
Related Concept Videos
Caspases
Cancers Originate from Somatic Mutations in a Single Cell
Cancers Originate from Somatic Mutations in a Single Cell
The Ras Gene
Ras is a superfamily...
Induced Pluripotent Stem Cells
Somatic cells are...
Loss of Tumor Suppressor Gene Functions
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...
