Related Experiment Video
Updated: Feb 2, 2026

Evaluating the Effectiveness of Cancer Drug Sensitization In Vitro and In Vivo
Published on: February 6, 2015
[Specific features of drug sensitivity of hereditary cancers]
Abstract:
Until recently the detection of carriers of mutations in hereditary cancer genes was aimed almost exclusively to the detection of subjects-at-risk, and consequently, personalized monitoring and preventive actions. However, it was revealed several years ago that some hereditary cancers are characterized by unique biological features and, therefore, unusual spectrum of drug sensitivity. For example, BRCA1/2-associated cancers usually demonstrate somatic loss of the remaining gene allele, and, hence, tumor-specific defects of DNA repair of double-strand breaks. This mechanism determines increased sensitivity of BRCA1/2-related cancers to cisplatin, mitomycin C and PARP inhibitors. Cancers arising as a part of Lynch syndrome can be effectively treated by the modulators of immune response. Tumors in patients with tuberous sclerosis often regress after administration of mTOR inhibitors. For the time being, there is already about a dozen of drugs demonstrating specific activity towards certain categories of hereditary cancers.
Insights
Hereditary cancers linked to specific gene mutations show unique drug sensitivities. Understanding these genetic profiles enables targeted therapies for better treatment outcomes in cancer care.
Area of Science:
- Oncology
- Genetics
- Pharmacology
Background:
- Traditionally, hereditary cancer gene mutation detection focused on identifying at-risk individuals for monitoring and prevention.
- Emerging research reveals distinct biological features in hereditary cancers, leading to specific drug sensitivities.
Purpose of the Study:
- To highlight the therapeutic potential of targeting specific hereditary cancer types based on their unique genetic and biological characteristics.
- To underscore the shift from risk detection to personalized, targeted treatment strategies in hereditary cancer management.
Main Methods:
- Review of current literature on hereditary cancer genetics and associated drug responses.
- Analysis of specific examples: BRCA1/2-associated cancers, Lynch syndrome, and tuberous sclerosis.
Main Results:
- BRCA1/2-associated cancers exhibit sensitivity to DNA repair inhibitors (e.g., cisplatin, PARP inhibitors) due to double-strand break repair defects.
- Lynch syndrome-related cancers respond well to immune response modulators.
- Tuberous sclerosis-associated tumors show regression with mTOR inhibitors.
Conclusions:
- A growing number of drugs demonstrate specific efficacy against distinct categories of hereditary cancers.
- Targeting the molecular underpinnings of hereditary cancers offers a promising avenue for personalized cancer therapy.
Related Concept Videos
Sensitivity, Specificity, and Predicted Value
Sensitivity is the...
Distinctive Features of Adult Stem Cells vs Cancer Stem Cells
Adult stem cells
Adult stem cells are tissue-specific; hence, they divide to develop the tissue from which they originate. One type of adult stem cell is the epithelial stem cell, which gives rise to the keratinocytes in the multiple layers of epithelial cells in the epidermis of the skin. Adult bone marrow has three distinct types of stem cells:...
Clinically Relevant Drug Product Specifications: Methods of Establishment
COPD: Pathogenesis and Clinical Features
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
Special Features of Adaptive Immunity
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
Esophageal Strictures-II: Clinical Features and Management
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...

