Related Experiment Video
Updated: Feb 7, 2026
07:41
Performing Data Mining And Integrative Analysis Of Biomarker in Breast Cancer Using Multiple Publicly Accessible Databases
Published on: May 17, 2019
9.6K
PharmacoDB: an integrative database for mining in vitro anticancer drug screening studies
Petr Smirnov1,2, Victor Kofia1, Alexander Maru1
1Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.
Nucleic Acids Research
|July 28, 2018
Summary
PharmacoDB integrates large cancer pharmacogenomic datasets, addressing challenges in drug response prediction. This database facilitates robust comparison and analysis of cell line drug sensitivity data for improved cancer research.
Area of Science:
- Pharmacogenomics
- Cancer Research
- Computational Biology
Background:
- Large-scale cancer pharmacogenomic studies profile cell lines against drugs to predict response.
- Data integration is hindered by lack of standards for cell line and compound annotation, and drug response quantification.
- Experimental protocol variations introduce significant technical and biological variability in drug screening data.
Purpose of the Study:
- To develop PharmacoDB, a database integrating major cancer pharmacogenomic studies.
- To facilitate rigorous comparison and integrative analysis of large-scale drug screening datasets.
- To provide a resource for mining curated cancer pharmacogenomic data.
Main Methods:
- Curation of cell line and chemical compound identifiers to maximize dataset overlap.
- Integration of the largest published cancer pharmacogenomic studies.
- Development of tools for comparing and extracting robust drug phenotypes.
Main Results:
- PharmacoDB integrates disparate cancer pharmacogenomic datasets.
- Standardized identifiers enable enhanced data overlap and comparison.
- Users can leverage PharmacoDB to mine curated drug screening data.
Conclusions:
- PharmacoDB addresses the need for standardized tools in cancer pharmacogenomics.
- The database facilitates robust analysis of cell line drug sensitivity.
- PharmacoDB serves as a unique resource for advancing cancer drug response prediction.
Related Concept Videos
01:16Methods for Studying Drug Absorption: In vitro
622
In vitro experiments are crucial for understanding the transport and absorption of drugs through biological materials. These studies employ varied methods such as the diffusion cell method, the everted sac technique, and the everted ring technique.
The diffusion cell method uses a two-compartment cell, including a donor compartment with the drug solution, which simulates the environment where the drug is applied, and a receptor compartment with a buffer solution, which simulates the environment...
The diffusion cell method uses a two-compartment cell, including a donor compartment with the drug solution, which simulates the environment where the drug is applied, and a receptor compartment with a buffer solution, which simulates the environment...
622
01:17In Vitro Drug Dissolution: Alternative Methods
240
Alternative drug dissolution methods include the rotating bottle, intrinsic dissolution test, peristalsis, and the Franz diffusion cell method. The rotating bottle method involves meticulously rotating tightly capped controlled-release beads in a temperature-controlled bath. Periodic decanting of samples allows for residue assay, followed by refilling with fresh medium and testing at various pH levels to emulate the gastrointestinal tract conditions.In contrast, the intrinsic dissolution test...
240
01:26Integration by Parts: Indefinite Integrals
189
Integration by parts is a fundamental technique in calculus for evaluating integrals involving the product of two functions. It is particularly useful when direct integration is not feasible. The method is based on the product rule for differentiation, which states that the derivative of a product equals the derivative of the first function times the second, plus the first function times the derivative of the second. By integrating this identity and rearranging terms, the integration by parts...
189
01:23Integration by Parts: Definite Integrals
87
Definite integrals involving the product of two functions over a fixed interval can be evaluated using integration by parts. This method rewrites the integral as the difference of a product evaluated at the endpoints and a remaining definite integral that is often simpler to compute.A representative example is the definite integral of the inverse tangent function. Since there is no direct integration formula for arctan x, the integrand is rewritten as a product of arctan x and the...
87
01:20Drug Product Performance: In Vitro–In Vivo Correlation
281
In pharmaceutical development, it's crucial to establish a predictive in vitro–in vivo correlation (IVIVC) for two or more formulations to gain a comprehensive understanding of release properties. IVIVC reduces the need for costly in vivo studies and facilitates the establishment of meaningful dissolution specifications with significant cost savings and decreased regulatory burden. Furthermore, a meaningful IVIVC should predict Cmax and AUC within 20%, aligning with FDA guidance while...
281
01:13In Vitro Drug Dissolution: Compendial Testing Models I
295
Compendial dissolution methods are standardized procedures defined by pharmacopeias to evaluate the rate at which a drug dissolves in a specific medium. These methods ensure batch-to-batch consistency, enable quality control, and support the prediction of drug bioavailability. They are critical for both immediate and modified-release drug products.The apparatuses used for dissolution testing differ in their design and mechanical function, but all aim to simulate the physiological environment of...
295