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Purified Mouse Monoclonal Antibody
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Application 
| WB, IHC |
|---|---|
| Primary Accession | P01233 |
| Reactivity | Human |
| Host | Mouse |
| Clonality | Monoclonal |
| Isotype | IgG1 + IgG1 |
| Clone Names | HCGb/54+ HCGb/459 |
| Calculated MW | 22kDa |
| Other Names | Choriogonadotropin subunit beta, CG-beta, Chorionic gonadotrophin chain beta, CGB, CGB3 |
|---|---|
| Target/Specificity | Recombinant hCG beta protein (HCGb/54 and HCGb/459) |
| Application Note | Western Blotting : 0.5-1.0 µg/ml Immunohistology (Frozen & Formalin-fixed) : 0.5-1.0 µg/ml for 30 minutes at RT (Staining of formalin-fixed tissues requires boiling tissue sections in 10mM citrate buffer, pH 6.0, for 10-20 min followed by cooling at RT for 20 minutes). |
| Format | 0.5 ml at 200ug/ml with BSA and azide |
| Storage | Store at 2 to 8°C.Antibody is stable for 24 months. |
| Precautions | HCG-beta (Pregnancy & Choriocarcinoma Marker) Antibody - With BSA and Azide is for research use only and not for use in diagnostic or therapeutic procedures. |
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Provided below are standard protocols that you may find useful for product applications.
Background
This MAb reacts with a protein of 22kDa, identified as beta sub-unit of HCG. It does not cross react with the alpha sub-unit. HCG is a glycoprotein, which is secreted in large quantities by normal trophoblasts. It is present only in trace amounts in non-pregnant urine and sera but rises sharply during pregnancy. HCG is composed of two non-identical, non-covalently linked polypeptide chains designated as the α and β subunits. The α subunit is identical to that of thyroid stimulating hormone (TSH), follicle stimulating hormone (FSH), and luteinizing hormone (LH). hCG MAb detects cells and tumors of trophoblastic origin such as choriocarcinoma. Large cell carcinoma and adenocarcinoma of the lung demonstrate anti-hCG positivity in 90% and 60% of cases respectively. 20% of lung squamous cell carcinomas are positive. hCG expression by non-trophoblastic tumors may indicate aggressive behavior.
References
1. Cocquebert M et. al. Am J Physiol Endocrinol Metab. 2012;303(8):E950-8.
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