The Essential Role of CK-Pan Antibody in Cell Biology and Tumor Research

The Essential Role of CK-Pan Antibody in Cell Biology and Tumor Research

The Essential Role of CK-Pan Antibody in Cell Biology and Tumor Research

Concept

Cytokeratins (CK) are major intermediate filament proteins that form the cytoskeleton of epithelial cells. Pan-Cytokeratin (CK-Pan) antibodies are broad-spectrum reagents that recognize conserved epitopes across multiple type I and type II cytokeratins, making them universal markers for identifying epithelial lineage cells, tracing tumor origin, and assessing tissue differentiation.


Research Frontier

CK-Pan antibodies are widely used in modern cell biology, pathology, and liquid biopsy. Current advances focus on fluorescent-conjugated formats, multiplex imaging, CTC detection, digital pathology, and AI-assisted quantification, enabling high-precision epithelial cell tracing and minimal residual disease monitoring.


Research Significance

CK-Pan antibodies are irreplaceable tools because they:

  • Identify epithelial cells and distinguish epithelial vs. mesenchymal lineages
  • Diagnose and subtype epithelial-derived carcinomas
  • Detect micrometastases and circulating tumor cells (CTCs)
  • Monitor epithelial-mesenchymal transition (EMT)
  • Support tissue engineering and regenerative medicine quality control

Core Mechanisms and Technical Applications

Biological Function of Cytokeratins

  • Form 10 nm intermediate filaments to maintain cell structure and mechanical stability
  • Regulate intracellular signaling, mechanotransduction, and cell polarity
  • Strictly expressed in epithelial cells; absent in mesenchymal, hematopoietic, and nervous tissue

Value of CK-Pan Broad-Spectrum Recognition

  • Detects CK1–CK8, CK10, CK14–CK16, CK19, and other subtypes
  • Ensures high sensitivity in heterogeneous tissues and tumors
  • Enables reliable identification even in poorly differentiated carcinomas

Applications in Tumor Pathology

  • Labels >95% of carcinomas to confirm epithelial origin
  • Distinguishes carcinomas from sarcomas and lymphomas
  • Detects minimal tumor deposits with sensitivity down to 0.01%
  • Supports staging, prognostic evaluation, and metastasis tracking

Technical Optimization

  • Recommended antigen retrieval: citrate buffer (pH 6.0), heat-induced
  • IHC dilution range: 1:50 to 1:200
  • Positive signal: cytoplasmic filamentous staining
  • Requires positive and negative controls for validation

Emerging Applications

  • Circulating tumor cell (CTC) enrichment and detection
  • Multicolor immunofluorescence and flow cytometry panels
  • Tissue-engineered epithelium maturation assessment
  • Tumor heterogeneity and single-cell profiling

Product Empowerment

ANT BIO PTE. LTD. provides the S-RMab® Pan-Cytokeratin Recombinant Rabbit Monoclonal Antibody, Alexa Fluor® 488 Conjugated (S-P001, Cat. No. S0B0188) under its Starter product line.

This fluorescent-conjugated antibody delivers bright, stable green fluorescence and broad cytokeratin recognition, ideal for high-performance flow cytometry, immunofluorescence imaging, CTC detection, and multicolor panel studies.


Core Product Advantages

 

Core Product Advantages

Superior Fluorescence Performance: Alexa Fluor® 488 conjugate delivers high brightness, photostability, and compatibility with flow cytometers and confocal microscopes.

Broad-Spectrum CK Recognition: Detects multiple cytokeratin subtypes for universal epithelial cell labeling with high specificity and low background.

Excellent Stability & Batch Consistency: Rigorous QC ensures minimal inter-batch variation and reliable performance in clinical and research applications.

Broad Sample Compatibility: Suitable for cell suspensions, FFPE sections, frozen tissues, and smears.


Key Application Scenarios

 

Key Application Scenarios

Epithelial Cell Identification & Sorting: Precise labeling and isolation of epithelial cells from mixed populations.

Circulating Tumor Cell (CTC) Detection: Core reagent for enriching and detecting epithelial-derived CTCs from peripheral blood.

Tumor Diagnosis & Subtyping: Determines epithelial origin in primary and metastatic cancers.

Multicolor Flow & Imaging Panels: Ideal for immunophenotyping, tumor microenvironment analysis, and cell differentiation studies.

Tissue Engineering & Regenerative Medicine: Evaluates epithelial maturation in engineered skin, cornea, and mucosal grafts.


Brand Mission

ANT BIO PTE. LTD. is a leading provider of life science reagents, offering antibodies, recombinant proteins, assay kits, and general laboratory reagents. We operate three specialized sub-brands: Absin (general reagents & kits), Starter (antibodies), and UA (recombinant proteins), delivering integrated solutions for cell biology, oncology, pathology, and regenerative medicine. We are committed to supplying high-quality, consistent, and innovative tools to advance scientific discovery and clinical diagnostics.


Related Product List

Product Name

Catalog No.

Applications

S-RMab® CK-Pan Recombinant Rabbit mAb (Alexa Fluor® 488)

S0B0188

Flow cytometry, IF, CTC detection, multicolor imaging

Unconjugated Pan-Cytokeratin Antibody

Starter series

IHC, WB, epithelial tumor diagnosis

Fluorescent Conjugation Kits

Absin series

Custom antibody labeling

Antigen Retrieval Buffers

Absin series

IHC sample preparation


Brand Promotion Copy

ANT BIO PTE. LTD. – Empowering Scientific Breakthroughs

At ANTBIO, we are committed to advancing life science research through high-quality, reliable reagents and comprehensive solutions. Our specialized sub-brands (Absin, Starter, UA) cover a full spectrum of research needs, from general reagents and kits to antibodies and recombinant proteins. With a focus on innovation, quality, and customer-centricity, we strive to be your trusted partner in unlocking scientific mysteries and driving medical progress. Explore our product portfolio today and elevate your research to new heights