Feline Pregnancy Specific Protein B antibody and antigen (recombinant protein)

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Product information

Catalog No.	Description	US $ Price (per mg)
GMP-FEL-Pre-Spec-Pro-B-Ag01	Recombinant Feline Pregnancy Specific Protein B protein	3090
GMP-FEL-Pre-Spec-Pro-B-Ab01	Anti-Feline Pregnancy Specific Protein B mouse monoclonal antibody (mAb)	1953
GMP-FEL-Pre-Spec-Pro-B-Ab02	Anti-Feline Pregnancy Specific Protein B mouse monoclonal antibody (mAb)	1953
GMP-FEL-Pre-Spec-Pro-B-Ab03	Anti-Feline Pregnancy Specific Protein B human monoclonal antibody (mAb)	1953
GMP-FEL-Pre-Spec-Pro-B-Ab04	Anti-Feline Pregnancy Specific Protein B human monoclonal antibody (mAb)	1953

Size： 1mg | 10mg | 100mg

Product Description

Cat No. of Products	GMP-FEL-Pre-Spec-Pro-B-Ag01
Product Name	Recombinant Feline Pregnancy Specific Protein B protein
Target/Biomarker	Feline Pregnancy Specific Protein B ()
Expression platform	E.coli
Isotypes	Recombinant Antigen
Bioactivity validation	Anti-Feline Pregnancy Specific Protein B antibodies binding, Immunogen in Sandwich Elisa, lateral-flow tests, and other immunoassays as control material in level test of animal Cat/Feline with N/A.
Tag	His
Products description	Recombinant Feline Pregnancy Specific Protein B protein was expressed in E.coli - based prokaryotic cell expression system and is expressed with 6 HIS tag at the C-terminus.
Purity	Purity: ≥95% (SDS-PAGE)
Application	Paired antibody immunoassay validation in sandwich Elisa, ELISA, colloidal gold-based Lateral flow immunoassay (LFIA), CLIA, TINIA, POCT and other immunoassays
Formulation & Reconstitution	Lyophilized from GM's Protein Stability Buffer2 (PSB2,Confidential Ingredients) or PBS (pH7.4); For PSB2, reconstituted with 0.9% sodium chloride; For PBS, reconstituted with ddH2O.
Storage	Store at -20℃ to -80℃ under sterile conditions. Avoid repeated freeze-thaw cycles.

Cat No. of Products	GMP-FEL-Pre-Spec-Pro-B-Ab01, GMP-FEL-Pre-Spec-Pro-B-Ab02
Product Name	Anti-Feline Pregnancy Specific Protein B mouse monoclonal antibody (mAb)
Target/Biomarker	Feline Pregnancy Specific Protein B ()
Expression platform	CHO
Isotypes	Mouse IgG
Bioactivity validation	Recombinant Feline Pregnancy Specific Protein B antigen binding, ELISA validated as capture antibody and detection antibody. Pair recommendation with other anti- antibodies in level test of animal Cat/Feline with N/A.
Tag	mFc
Products description	Anti-Feline Pregnancy Specific Protein B mouse monoclonal antibody (mAb) is a monoclonal antibody produced by CHO technology. The antibody is ELISA validated as capture antibody and detection antibody. Pair recommendation with other anti- antibodies.
Purity	Purity: ≥95% (SDS-PAGE)
Application	Paired antibody immunoassay validation in sandwich Elisa, ELISA, colloidal gold-based Lateral flow immunoassay (LFIA), CLIA, TINIA, POCT and other immunoassays
Formulation & Reconstitution	Lyophilized from GM's Protein Stability Buffer2 (PSB2,Confidential Ingredients) or PBS (pH7.4); For PSB2, reconstituted with 0.9% sodium chloride; For PBS, reconstituted with ddH2O.
Storage	Store at -20℃ to -80℃ under sterile conditions. Avoid repeated freeze-thaw cycles.

Cat No. of Products	GMP-FEL-Pre-Spec-Pro-B-Ab03, GMP-FEL-Pre-Spec-Pro-B-Ab04
Product Name	Anti-Feline Pregnancy Specific Protein B human monoclonal antibody (mAb)
Target/Biomarker	Feline Pregnancy Specific Protein B ()
Expression platform	CHO
Isotypes	Human IgG1
Bioactivity validation	Recombinant Feline Pregnancy Specific Protein B antigen binding, ELISA validated as capture antibody and detection antibody. Pair recommendation with other anti- antibodies in level test of animal Cat/Feline with N/A.
Tag	hFc
Products description	Anti-Feline Pregnancy Specific Protein B human monoclonal antibody (mAb) is a monoclonal antibody produced by CHO technology. The antibody is ELISA validated as capture antibody and detection antibody. Pair recommendation with other anti- antibodies.
Purity	Purity: ≥95% (SDS-PAGE)
Application	Paired antibody immunoassay validation in sandwich Elisa, ELISA, colloidal gold-based Lateral flow immunoassay (LFIA), CLIA, TINIA, POCT and other immunoassays
Formulation & Reconstitution	Lyophilized from GM's Protein Stability Buffer2 (PSB2,Confidential Ingredients) or PBS (pH7.4); For PSB2, reconstituted with 0.9% sodium chloride; For PBS, reconstituted with ddH2O.
Storage	Store at -20℃ to -80℃ under sterile conditions. Avoid repeated freeze-thaw cycles.

Reference

Validation Data

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Target/Biomarker information

Pregnancy-Specific Protein B (PSPB) is widely recognized in bovine pregnancy diagnostics, where it serves as a marker for early detection of pregnancy. However, in the context of feline (cat) pregnancy, the equivalent marker often referred to is not PSPB but rather different hormones and proteins that are used to confirm pregnancy. For cats, the most commonly monitored substances related to pregnancy detection include: Progesterone: Levels of progesterone, a hormone produced by the corpus luteum and later by the placenta, remain elevated throughout pregnancy. Measuring progesterone levels can help confirm pregnancy, although it's not specific to pregnancy alone since levels can also be high during the estrous cycle or with certain medical conditions. Relaxin: Relaxin is a hormone produced by the placenta that can be reliably measured to confirm pregnancy in cats. Commercial relaxin assays are available and can detect pregnancy as early as 20 to 25 days post-conception. Relaxin is a more specific marker for pregnancy than progesterone because its presence at elevated levels is almost exclusively associated with pregnancy. Unlike in cattle, where PSPB (a protein produced by the placenta) is a specific and reliable marker for pregnancy detection, in cats, relaxin serves a somewhat similar role as a pregnancy-specific indicator. The use of ultrasound and palpation by a veterinarian remains a standard and reliable method for diagnosing pregnancy in cats, with biochemical markers like relaxin offering supplementary confirmation. To date, there is no widely recognized or used equivalent of bovine PSPB for pregnancy detection in cats in veterinary practice. The focus remains on using hormones like relaxin and diagnostic imaging techniques for confirming pregnancies in feline patients.

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