Immunohistochemical (IHC) Tumor Markers: Core Tools for Prostate Cancer Diagnosis

1. Key Concepts & Research Frontiers

Prostate cancer remains one of the most prevalent malignant tumors affecting male health globally. Accurate, early, and specific diagnostic techniques are critical for clinical intervention, prognostic evaluation, and treatment strategy formulation. Immunohistochemical (IHC) testing has become an indispensable pillar in modern prostate cancer pathology diagnosis, leveraging the high specificity of antigen-antibody interactions to visualize and identify molecular indicators in tissue samples.

Cutting-edge research and clinical practice have confirmed that IHC enables precise localization and quantitative analysis of tumor-associated biomarkers in paraffin-embedded tissue specimens, addressing the limitations of traditional diagnostic methods and improving the accuracy of distinguishing benign prostatic hyperplasia, precancerous lesions, and invasive prostate cancer.

2. Research Significance of IHC Biomarkers in Prostate Cancer

IHC-based detection of prostate cancer biomarkers delivers multifaceted clinical value: it supports early screening and definitive diagnosis, clarifies tumor origin and differentiation degree, evaluates malignant potential and invasion scope, and provides robust evidence for clinicians to design personalized treatment regimens. Compared with other detection platforms, IHC is compatible with routine pathological samples, cost-effective, and suitable for widespread clinical application and large-scale basic research.

The core principle of IHC technology lies in chromogen-labeled antibodies specifically binding to target antigens in tissue sections, enabling microscopic visualization of cellular and subcellular pathological changes, making it a gold-standard auxiliary tool for prostate cancer diagnosis.

3. Core IHC Biomarkers & Detection Applications

3.1 PSA (Prostate-Specific Antigen)

PSA is a serine protease secreted by prostate acinar and ductal cells, a classic and widely applied serum and tissue marker for prostate cancer. It is highly expressed in prostate epithelial cells and serves as a key indicator for early screening and identification of tumor origin.

ANT BIO PTE. LTD. Product Parameters:
Antibody: PSA Recombinant Rabbit mAb
Tissue Type: Human Benign Prostatic Hyperplasia
Staining Localization: Secretory
Antigen Retrieval: Tris/EDTA (pH 9.0), High-temperature and high-pressure

3.2 PSMA (Prostate-Specific Membrane Antigen)

Also known as GCPII or FOLH1, PSMA exhibits highly selective and elevated expression in prostate cancer cells. It is a critical marker for diagnosis, prognostic assessment, and targeted therapy monitoring of prostate cancer.

ANT BIO PTE. LTD. Product Parameters:
Antibody: PSMA Recombinant Rabbit mAb
Tissue Type: Human Prostate Cancer
Staining Localization: Cell membrane, cytoplasm
Antigen Retrieval: Tris/EDTA (pH 9.0), High-temperature and high-pressure

3.3 CK-HMW (High Molecular Weight Cytokeratin)

CK-HMW is a specific marker for prostate basal cells. Combined with p63 and AMACR, it is widely used to differentiate benign and malignant prostatic lesions and distinguish urothelial dysplasia from carcinoma in situ.

ANT BIO PTE. LTD. Product Parameters:
Antibody: CK-HMW Recombinant Rabbit mAb
Tissue Type: Human Prostate
Staining Localization: Cytoplasm
Antigen Retrieval: Tris/EDTA (pH 9.0), High-temperature and high-pressure

4. Product Empowerment: Validated IHC Solutions by ANT BIO PTE. LTD.

ANT BIO PTE. LTD. has launched a full range of high-performance IHC biomarkers for prostate cancer research and clinical detection. All products have undergone rigorous validation on multiple platforms including IHC-P (immunohistochemistry-paraffin) and WB (Western blot), delivering stable specificity, high sensitivity, and excellent reproducibility.

These recombinant rabbit monoclonal antibodies support accurate identification of key molecular targets in prostate tissues, helping researchers and pathologists obtain reliable experimental data and diagnostic results, and accelerating translational research and clinical diagnosis of prostate cancer.

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