Research Use Only (RUO) Notice: All services and data provided are strictly for non-clinical research purposes. Our analytical results are not intended for clinical diagnosis, patient management, or therapeutic decision-making.

THE POWER OF PROTEOMES

Why Proteomics Matters: Unlocking Functional Biological Insights

Traditional genomics provides a static snapshot of what might happen. However, proteomics offers a dynamic view of what is happening in real-time. By analyzing protein expression, interactions, and post-translational modifications (PTMs) (chemical changes that occur after a protein is made), researchers can gain a more accurate understanding of:

Disease Mechanisms

Identifying the specific protein drivers of pathologies like cancer, neurodegeneration, and metabolic disorders.

Target Discovery

Pinpointing specific proteins that can be modulated by new therapeutic candidates.

Biomarker Validation

Moving from broad "hits" to specific, quantifiable protein markers that track disease progression or drug response.

Precision Medicine

Understanding cellular heterogeneity at the individual protein level.

CORE CAPABILITIES

Our Core Proteomics Service Categories

1. Quantitative Proteomics: Measuring Change with Absolute Precision

Quantitative proteomics is the cornerstone of modern biological research. It allows researchers to compare protein abundance across different conditions—such as healthy vs. diseased tissue or control vs. drug-treated cells. We offer several advanced platforms for quantitative proteomics analysis.

4D-DIA Quantitative Proteomics Analysis

Best For: Large-scale cohort studies and comprehensive biomarker discovery.

DIA is a powerful, "discovery-based" approach that provides superior reproducibility and fewer missing values compared to traditional methods. Unlike older DDA methods, DIA captures data from all detectable precursor ions, ensuring a digital record of the sample that can be re-interrogated bioinformatically.

TMT (Tandem Mass Tag) & iTRAQ Labeling

Best For: Comparative analysis across multiple time points or treatment dosages.

These chemical labeling techniques allow for the "multiplexing" of samples, meaning up to 16 or 18 different samples can be analyzed in a single MS run. Multiplexing significantly reduces "batch effects" and provides high sensitivity for detecting subtle changes in protein expression.

Label-Free Quantitative (LFQ) Proteomics

Best For: Preliminary screening and samples with limited starting material.

LFQ is an ideal solution for projects where chemical labeling is impractical or cost-prohibitive. It simplifies sample preparation and provides a broader dynamic range for protein quantification.

Further Reading: What is 4D Label-free Quantitative Proteomics.

2. Targeted Proteomics: The Gold Standard for Validation

Once a list of potential biomarkers is identified via discovery proteomics, they must be validated with high specificity. Our targeted proteomics services offer a robust alternative to Western Blotting and ELISA.

PRM (Parallel Reaction Monitoring)

PRM is a high-resolution targeted method that has largely replaced the Western Blot for protein quantification. Why Choose PRM? It offers absolute quantification, higher sensitivity, and the ability to track dozens of proteins simultaneously without the need for specific antibodies for every target. Applications: Clinical biomarker validation (RUO), monitoring drug-target engagement, and verifying "hits" from large-scale discovery screens.

3. Post-Translational Modification (PTM) Analysis

Proteins are rarely "static." Their function is often "toggled" on or off by chemical modifications occurring after translation. We provide PTM Profiling Analysis to help you decode these regulatory signals:

Phosphorylation Analysis Service:

Essential for studying signal transduction and kinase activity in cancer.

Glycosylation Analysis Service:

Critical for understanding cell-cell recognition and vaccine development.

Ubiquitination Analysis Service:

Key to studying protein degradation and neurodegeneration.

Acetylation and Methylation:

Important for epigenetic research and metabolic regulation.

SUMOylation Analysis Service:

A vital service for exploring protein stability and nuclear transport.

Technical Resources: Introduction to PTMs and Their Biological Roles Bioinformatics Tools and Databases for PTM Analysis How to Detect PTM Sites: Key Techniques

Functional Proteomics & Interaction Analysis

To understand how a protein works, one must understand who its "partners" are. Our protein interaction analysis services provide a comprehensive view of the cellular interactome.

Key Interaction Assays:

Co-Immunoprecipitation (Co-IP): The classic method to study PPIs in native cellular environments.
Pull-Down Assay Services: Utilizing GST or other tags to isolate protein complexes.
Protein-Metabolite Interactions: Crucial for metabolic disease research.
Protein-DNA and Protein-RNA Interactions: Essential for studying transcription and translation regulation.

In-Depth Guides: Understanding Protein-Protein Interactions (PPIs) Why PPIs Matter for Therapeutic Discovery

Specialized Workflows for Complex Samples

FFPE Tissue Proteomics: Our proprietary protocols effectively "reverse" formalin cross-linking in archived clinical samples.

Single-Cell Proteomics Service: Utilizing ultra-high sensitivity MS to reveal cellular heterogeneity. We also offer specialized Plant Single-Cell Proteomics.

Exosome Proteomics: For studying intercellular communication and extracellular biomarkers.

Blood & Serum Proteomics: Utilizing depletion strategies to identify low-abundance plasma biomarkers.

TECHNOLOGY GUIDE

Decision Matrix: Choosing the Right Proteomics Strategy

Choosing the right proteomics method is critical to your research's success. Here’s a comparison of our key methods to help you make an informed decision.

Technology	Advantages	Best For	Sample Requirements
DIA Quantitative Proteomics	High-throughput, reproducible quantification, ideal for large-scale studies.	Large cohort studies, biomarker discovery.	Requires a larger sample size for meaningful comparison.
TMT Quantitative Proteomics	Multiplexing ability, high sensitivity, excellent for comparing multiple conditions.	Large-scale comparative analysis across multiple conditions or time points.	Suitable for larger samples with complex conditions.
Label-free Quantitative Proteomics	No labeling needed, ideal for small-scale studies or samples where labeling is impractical.	Small sample sizes, preliminary screening.	Suitable for low sample input or rare samples.
PRM Targeted Proteomics	High specificity and sensitivity for biomarker validation.	Targeted studies, validation of specific proteins.	Requires well-characterized proteins or biomarkers for validation.
PTM Proteomics	Essential for studying protein modifications, like phosphorylation, acetylation, etc.	Cancer research, signal transduction, metabolic diseases.	Suitable for samples where post-translational modifications are of interest.

OUR PROCESS

The Creative Proteomics Workflow: From Sample to Insight

Our process is designed to be a seamless extension of your laboratory.

Project Consultation

Our PhD-level scientists discuss your research goals to select the optimal MS platform and quantification strategy.

Sample Preparation & QC

We handle a wide range of matrices (plasma, cell pellets, tissues, FFPE). We perform rigorous protein quantification and quality control before MS injection.

Mass Spectrometry Analysis

Samples are analyzed using state-of-the-art platforms, including the Orbitrap Exploris™ 480 and Orbitrap Astral™, ensuring industry-leading resolution and mass accuracy.

Bioinformatics & Data Interpretation

We don't just send you a spreadsheet. Our reports include:

Differential Expression Analysis: Identifying which proteins changed significantly.
Pathway Mapping (KEGG/Reactome): Visualizing how these changes affect biological pathways.

Gene Ontology (GO) Enrichment: Categorizing proteins by molecular function and cellular component.
Advanced Visualization: Heatmaps, Volcano plots, and Principal Component Analysis (PCA).

Why Choose Us?

Expertise: Over a decade of experience supporting global research projects in diverse fields like cancer, neurology, and immunology.
Custom Solutions: Tailored proteomics services to meet your unique research needs, whether large-scale or highly specialized.
Fast Turnaround: Quick, efficient results with a focus on accuracy and reproducibility.
Advanced Technology: We use state-of-the-art mass spectrometry and bioinformatics tools for precise and in-depth analysis.

Our industry expertise, backed by a strong portfolio of successful projects, assures clients that they are working with a reliable and knowledgeable partner.

PROVEN RESULTS

Customer Case Studies – Successful Proteomics Projects

Our proteomics services have contributed to significant discoveries across various research fields, from cancer biomarker identification to neurological disease research. Below are two examples showcasing the impact of our proteomics solutions.

Case Study 1: MS-CETSA Functional Proteomics Uncovers New Drug Targets for Cancer

Authors: Nordlund, P., et al. | Journal: Research Square, 2024 | DOI: 10.21203/rs.3.rs-4820265/v1

Proteomics Service: Functional proteomics with MS-CETSA was used to identify novel drug targets in cancer cells.

Outcome: The study identified new potential drug targets for cancer therapy, advancing cancer research by providing deeper insights into protein-level mechanisms involved in the disease.

Case Study 2: Untargeted Proteomics for Biomarker Discovery in Neurological Diseases

Authors: Papanicolaou, E. Z., et al. | Journal: Research Square, 2024 | DOI: 10.21203/rs.3.rs-4508811/v1

Proteomics Service: Untargeted proteomics was applied to discover biomarkers for neurological diseases, revealing significant protein alterations linked to disease progression.

Outcome: This research led to the identification of early biomarkers for neurological diseases, paving the way for better diagnostic tools and targeted therapies.

Client Testimonials – What Our Clients Say About Us

"Our investigation into age-related white matter changes required a highly sensitive integration of lipidomic and proteomic profiles. Creative Proteomics didn't just deliver raw data; their bioinformatics team helped us normalize the cross-platform datasets, which was instrumental in identifying the metabolic shifts in our ophthalmology models. The depth of the LC-MS/MS coverage allowed us to pinpoint protein-lipid interactions we had previously missed. Their technical transparency made a significant difference in our project’s timeline."

— Dr. Elena Richardson, Associate Professor, Department of Ophthalmology

"Working with oxidative stress markers in transplanted organ tissue is notoriously difficult due to sample degradation and low protein abundance. The team utilized a specialized extraction protocol for our FFPE samples that yielded high-resolution TMT labeling results. The final report included Volcano plots and GO enrichment analysis that were directly 'publication-ready.' Thanks to their rigorous QC standards, we successfully published our findings in a high-impact journal. They are a true extension of our lab."

— Dr. Marcus Thorne, Senior Research Scientist, Transplant Immunology Research Group

Frequently Asked Questions (FAQ)

Q: What is the difference between DDA and DIA proteomics?

In DDA (Data-Dependent Acquisition), the mass spectrometer selects only the most abundant ions for fragmentation. This leads to "missing values" for lower-abundance proteins. In DIA (Data-Independent Acquisition), all ions within a specific mass range are fragmented, creating a more complete and reproducible dataset, which is ideal for large-scale discovery.

Q: What is the benefit of 4D-Proteomics?

4D-Proteomics adds an ion mobility separation step, which increases the depth of coverage and sensitivity. Learn more in our guide to 4D Label-Free Proteomics.

Q: Can you perform proteomics on plasma or serum samples?

Yes. However, plasma is challenging because highly abundant proteins (like albumin) can mask important biomarkers. We offer high-abundance protein depletion services to remove the top 12 or 14 most common proteins, allowing us to "see" deeper into the low-abundance proteome.

Q: How much sample material do I need to send?

This varies by service. Standard quantitative proteomics typically requires 20-100 µg of protein. For PTM analysis (like phosphoproteomics), we require more material (0.5 - 1 mg) because the modified proteins must be enriched from the total protein pool.

Q: What is the typical turnaround time?

Most standard proteomics projects are completed within 4 to 6 weeks. This includes sample preparation, MS analysis, and comprehensive bioinformatics reporting.

Q: Are your services suitable for clinical diagnostics?

No. Our services are strictly Research Use Only (RUO). We provide high-quality analytical data to support drug discovery and basic research, but our results should not be used for medical diagnosis or treatment decisions.

Q: How do I choose between Olink and SomaScan for my study?

Both are powerful for high-throughput protein detection. You can find a detailed comparison of Olink vs. SomaScan here.

GET STARTED

Partner with the Experts in Multi-Omics

The proteome is complex, but your research journey shouldn't be. At Creative Proteomics, we combine cutting-edge technology with deep biological expertise to help you achieve your next breakthrough.

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Precision Proteomics Services: Accelerating Biomarker Discovery and Drug Development