Functional Peptide Screening Service
- Heart-Targeting Peptides: Discover peptides that specifically bind to cardiac tissues or cell receptors, improving the delivery of therapeutics for heart failure, myocardial infarction, or arrhythmia.
- Liver-Targeting Peptides: Identify peptides that recognize liver-specific receptors such as ASGPR, supporting targeted therapies for hepatitis, cirrhosis, and liver cancer.
- Lung-Targeting Peptides: Screen for peptides that interact with respiratory cells to optimize the delivery of pulmonary drugs.
- Kidney-Targeting Peptides: Select peptides with high affinity for kidney cells or receptors, enabling precise drug delivery for acute kidney injury, chronic kidney disease, and renal cancer.
- Targeted drug delivery and nanocarrier design
- Blood-brain barrier transport studies
- Development of organ-specific diagnostic probes
- Peptide-based therapeutics and molecular imaging
MtoZ Biolabs provides comprehensive Functional Peptide Screening Services that integrate advanced display technologies, high-throughput screening, and functional validation assays to identify peptides with specific biological activities. Our Functional Peptide Screening Services focuse on discovering peptides with defined physiological functions, including blood-brain barrier-penetrating peptides and organ-targeting peptides for tissues such as the heart, liver, kidney, and spleen.
What Is Functional Peptide?
Functional peptides are short amino acid chains with specific biological activities that influence various physiological processes. These peptides can regulate cellular signaling, modulate immune responses, promote tissue repair, and facilitate targeted drug delivery. Their functional specificity and low immunogenicity make them valuable tools in biomedical research, diagnostics, and therapeutics. By targeting particular pathways or receptors, functional peptides serve as molecular keys that unlock new therapeutic possibilities in personalized medicine and drug design.
Functional peptide screening is a systematic approach to identify peptides that exhibit distinct biological functions or target selectivity. Through iterative screening and validation, this approach reveals peptides capable of crossing biological barriers, binding to specific tissues, or modulating molecular pathways relevant to disease and therapy.
Principle of Functional Peptide Screening
Our functional peptide screening strategy combines molecular display techniques, in vitro testing, and analytical verification:
🔸Combinatorial Display Screening: Using phage, yeast, bacterial, or cell surface display, peptide candidates are enriched through successive binding and elution rounds.
K Madden, S. et al. Future Med Chem. 2021.
🔸Functional Evaluation: Screened peptides are evaluated for activity, such as cellular uptake, receptor binding, or tissue specificity.
🔸Quantitative Analysis: Peptide function is assessed using biochemical assays, fluorescence tracking, or imaging-based quantification.
🔸Analytical Characterization: LC-MS/MS and chromatographic techniques verify peptide sequence integrity, structure, and stability.
🔸Bioinformatics Integration: Computational modeling predicts peptide-target interactions and supports optimization of lead candidates.
Functional Peptide Screening Service at MtoZ Biolabs
MtoZ Biolabs provides an end-to-end Functional Peptide Screening Service that combines phage display, yeast display, bacterial display, and cell surface display technologies to efficiently identify peptides with desired functional properties. Our process involves multiple rounds of selection, followed by target-specific validation and functional activity testing, ensuring high specificity and reproducibility. We utilize both natural peptide libraries and synthetic peptide libraries, enabling flexible and comprehensive screening for various biological targets.
Our services include:
💠Blood-Brain Barrier (BBB) Penetrating Peptide Screening
MtoZ Biolabs employs an in vitro BBB model and computational prediction algorithms to Identify peptides capable of crossing the BBB to deliver therapeutic molecules into the central nervous system.
💠Organ-Targeting Peptide Screening
Our organ-targeting peptide screening program supports precision medicine by identifying peptides that selectively bind to specific organs or tissues, enhancing therapeutic efficacy while minimizing systemic side effects.
We provide customized screening services for various organs, including:
By integrating biochemical, cellular, and in vivo models, we provide a powerful platform to accelerate peptide discovery and validation for functional applications.
Workflow of Functional Peptide Screening Service
1. Project Consultation and Design
Define the biological objectives, target tissues or barriers, and selection parameters.
2. Peptide Library Preparation
Construct or select from MtoZ Biolabs’ natural or synthetic peptide libraries.
3. Display-Based Screening
Perform iterative rounds of binding and washing to enrich peptides with high affinity and specificity.
4. Functional Validation
Confirm peptide functionality using cell culture, tissue-binding assays, or barrier-crossing models.
5. Analytical Confirmation
Characterize sequences, purity, and molecular properties via LC-MS/MS or HPLC.
6. Comprehensive Reporting
Provide ranked peptide candidates, experimental data, and detailed analysis for further development.
Why Choose MtoZ Biolabs
✔️Multi-platform display screening ensuring broad applicability.
✔️Extensive peptide libraries covering diverse structural motifs.
✔️High-throughput screening combined with precise analytical validation.
✔️Customizable workflows tailored to research needs and target specificity.
✔️Experienced technical team with deep expertise in peptide biology and bioanalysis.
Applications of Functional Peptide Screening Service
Functional peptide screening enables discovery and innovation across a wide range of research fields:
FAQ
Q1: What types of samples are suitable?
We accept a wide range of sample types, including recombinant or expressed peptides, protein targets, biological fluids, tissue, and cells. For specialized sample types, please contact MtoZ Biolabs for tailored support.
Q2: How should I prepare my samples?
1. Ensure samples are freshly prepared or snap-frozen.
2. Prepare samples in appropriate buffers without detergents or high salt concentrations.
3. Store samples at –80 °C before shipment.
4. Transport samples on dry ice to maintain stability during delivery.
For more information, please refer to Sample Submission Guidelines for Proteomics.
Q3: What is the service general workflow?
Q4: What data formats are provided?
1. Comprehensive result reports provided in PDF format, including experimental workflow, screening results, and interpretation.
2. Raw and processed data files available in Excel or CSV format for convenient secondary analysis.
3. Sequence and spectral data from LC-MS/MS or peptide identification provided in standard formats such as FASTA and mzML.
4. Visual data outputs delivered in high-resolution image formats such as PNG or TIFF.
5. Additional formats can be provided upon request to meet specific analysis or publication requirements.
Start Your Project with MtoZ Biolabs
Contact us today to discuss your project and explore customized solutions for functional peptide discovery. Our technical specialists are available to provide a free business assessment.
How to order?
