Biologics: Concept, Production, Features and Significance
Context:
The Union Budget 2026 highlighted the importance of biologics and biosimilars under the Biopharma SHAKTI strategy, aiming to strengthen India’s position in advanced pharmaceutical manufacturing and promote modern testing approaches.
What are Biologics?
Biologics are advanced medicines derived from living organisms such as bacteria, yeast, or animal/human cells.
Unlike conventional drugs made through chemical synthesis, biologics are:
- Large and complex molecules
- Typically proteins or antibodies
- Produced using biotechnology
They are used for treating chronic and life-threatening diseases.
Objective of Biologics
- Provide targeted therapy
- Treat diseases such as:
- Cancer
- Diabetes
- Rheumatoid arthritis
- Interact precisely with:
- Immune system
- Cellular receptors
How Biologics are Produced
Host Cell Selection
Living cells such as bacteria, yeast, or mammalian cells are selected to produce the desired protein.
Genetic Engineering
The gene responsible for the required protein is inserted into these cells.
Large-Scale Culturing
Cells are grown in controlled environments called bioreactors.
Purification
The desired protein is extracted and purified to remove impurities.
Batch Testing
Each batch undergoes strict quality checks to ensure safety and consistency.
Key Features of Biologics
Molecular Complexity
Biologics are much larger and structurally more complex than traditional drugs.
Derived from Living Systems
Produced using living organisms rather than chemical processes.
High Specificity
They target specific cells or pathways, enabling precision medicine.
Sensitivity
Highly sensitive to temperature and light, requiring cold chain storage.
Immunogenicity
May trigger immune responses, requiring careful monitoring.
Biologics vs Conventional Drugs
- Biologics are complex, protein-based, and produced in living cells
- Conventional drugs are small molecules synthesized chemically