PathnSitu Biotechnologies

Your Advanced Tissue Pathology Partner

PathnSitu Biotechnologies is a leading company in the supply of high-quality immunohistochemistry products for tissue-based Cancer Diagnosis.We provide highly specific and sensitive Antibodies, Detection Kits, Histology Special Stains, Instruments, Reagents, Buffers, Antibody Diluents, Positively Charged Slides and all the Ancillaries required for Immunohistochemistry helping Pathologists and Cancer Research Laboratories with an accurate Histology-based Cancer Diagnosis.

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August 28, 2026

Antibody Quality: The Real Reason Behind Inconsistent IHC Results

Reliable IHC starts with a reliable antibody. Discover how quality, specificity, and validation help ensure consistent and reproducible staining results.

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August 26, 2026

HIF-1 Alpha Antibody (Clone EP118): What It Detects and Why Staining Quality Matters

HIF-1 Alpha Antibody Clone EP118 detects HIF-1 Alpha in FFPE tumor tissue, helping pathologists assess tumor hypoxia. Consistent staining and reliable controls are essential for accurate interpretation. PathnSitu automated stainers support standardized IHC workflows for dependable results.

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August 11, 2026

The Antibody That Helps You Read the Immune Systems Signals

HLA-DR is a class II immune marker that helps pathologists read how the immune system is reacting in a tissue sample. Beyond marking antigen-presenting cells like B cells, monocytes, and dendritic cells, its useful in classifying acute leukemias and has also been found in some colon and breast carcinomas. PathnSitus HLA-DRB1 (clone EP191) is available for RUO and IVD use.

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