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Related Concept Videos

In Vitro Drug Dissolution: Compendial Testing Models I01:13

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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...
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Various dissolution methods are utilized to assess a drug’s dissolution rate, including the flow-through cell, paddle-over-disk, cylinder, and reciprocating disk methods.The flow-through cell apparatus (USP (United States Pharmacopeia) method 4) comprises a reservoir for the dissolution medium and a pump that propels the medium through the cell containing the test sample. This method is crucial for assessing modified-release dosage forms with minimally soluble active ingredients,...
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In vitro dissolution and drug release tests assess how quickly and how much of a drug is released from its dosage form into an aqueous medium under standardized laboratory conditions. These tests are essential tools in pharmaceutical development and quality assurance, offering insight into the drug's performance before clinical use.During formulation development, dissolution testing identifies incomplete or inconsistent drug release issues. It also supports decisions on selecting the optimal...
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Cardiovascular diseases, encompassing a range of conditions, can significantly affect the heart's operations and the overall circulatory system. These conditions impair the heart's ability to pump blood, leading to a deficit in oxygen supply to crucial organs. Anomalies in the heart's electrical system, known as arrhythmias, can cause heartbeats to accelerate or slow down. Usually, heart rates increase during physical activity and decrease while resting or sleeping. However,...
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Related Experiment Video

Updated: Feb 9, 2026

Establishing a Porcine Ex Vivo Cornea Model for Studying Drug Treatments against Bacterial Keratitis
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Cornea As a Model for Testing CTGF-Based Antiscarring Drugs.

Sriniwas Sriram1,2, Jennifer A Tran1,2, James D Zieske1,2

  • 1Schepens Eye Research Institute, Boston, MA, USA.

Bone and Tissue Regeneration Insights
|June 5, 2018
PubMed
Summary

Scarring causes pain and loss of function, driven by Transforming growth factor β1 (TGF-β1) and Connective tissue growth factor (CTGF). The cornea may serve as a novel model for testing anti-CTGF scar therapies.

Keywords:
CTGFcorneal scarscarring treatmentsskin scarring

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Area of Science:

  • Wound healing research
  • Fibrosis and scarring mechanisms
  • Ophthalmology and tissue models

Background:

  • Scarring is a significant complication of wound healing, resulting in excessive fibrous tissue, pain, and functional loss.
  • Transforming growth factor β1 (TGF-β1) signaling, particularly its downstream mediator Connective tissue growth factor (CTGF), is central to scar formation.
  • Therapeutic strategies targeting CTGF for scar treatment are gaining research interest.

Purpose of the Study:

  • To propose the cornea as a viable experimental model for evaluating anti-CTGF therapies.
  • To explore the potential of corneal tissue in understanding and mitigating scar-related pathologies.

Main Methods:

  • This article presents a conceptual framework and literature review.
  • It does not involve experimental procedures but rather suggests a research direction.

Main Results:

  • The cornea's unique healing properties and accessibility make it a promising candidate for scar research.
  • Further investigation is warranted to validate its utility in testing anti-CTGF agents.

Conclusions:

  • The cornea offers a unique and potentially advantageous model system for preclinical testing of anti-CTGF therapies aimed at reducing scarring.
  • Utilizing the cornea could accelerate the development of effective scar treatments.