Anti-Pig SP-B Polyclonal Antibody-100 µg (CAT#: CB-P268-AB) Datasheet

Product Type
Antibody
Description
The polyclonal antibody recognizes human surfactant protein B (SP-B). There are four surfactant-specific proteins, which are called Surfactant Protein A (SP-A), SP-B, SP-C and SP-D. SP-A and SP-D are hydrophilic surfactant proteins and are members of the collectin family. SP-B and SP-C are hydrophobic surfactant proteins, which may be the most suitable indicators of the evolutionary origin of surfactants. SP-B is synthesized by alveolar type II epithelial cells into a 40-42 kD precursor, which is then processed by proteolysis to 7.8-8 kD. SP-B enhances the spreading and stability of surfactant phospholipids in alveoli. SP-B is essential for mammalian breathing, so it is largely protected. SP-B can interact with phospholipid head groups and fatty chains, and is particularly active in enhancing the surface activity of endogenous and exogenous lung surfactants. Even low SP-B content has a measurable effect in increasing DPPC, mixed synthetic lipids and column-purified lung surfactant phospholipid adsorption, dynamic surface tension reduction and/or membrane resurfacing. The lack of SP-B and other surfactant components is related to respiratory distress syndrome (RDS) in premature infants and adults with respiratory distress syndrome (ARDS). A polyclonal antibody against porcine SP-B was produced from porcine lung, which has been reconstituted in micelles of lysophosphatidylcholine. The antibody recognizes the most prominent forms of 8 kD and 22 kD SP-B under non-reducing conditions, corresponding to the SP-B dimer. Polyclonal antibodies can cross-react with human SP-B.
Disease
Pulmonology
Size
100 µg
Species
Pig
Cross reactivity
Human
Host
Rabbit
Clonality
Polyclonal
Isotype
Rabbit IgG
Buffer
PBS, containing 0.1% bovine serum albumin and 0.02% sodium azide.
Application
Immuno assays, Western blot
Application Notes
For Western blotting, the diluent that will be used depends on the detection system used. It is recommended that users test reagents and determine their own optimal dilution. The typical initial working dilution is 1:50.
Storage Instructions
Product should be stored at 4°C. Under recommended storage conditions, product is stable for at least one year.
Target
SP-B
Alternative Names
SFTPB; previous SFTP3

All products and services are for Research Use Only. Do Not use in humans.

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