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產(chǎn)品名稱

SAP, Human Antibody from HYCULT BIOTECH

產(chǎn)品貨號(hào)

HP9055

產(chǎn)品價(jià)格

現(xiàn)貨詢價(jià)，電話：010-67529703

產(chǎn)品規(guī)格

100 μg

產(chǎn)品品牌

HYCULT BIOTECH

產(chǎn)品概述

產(chǎn)品詳情

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Antigenic Specificity	SAP, Human
Clone	polyclonal
Host Species	Rabbit
Reactive Species	human
Isotype	n/a
Format	unconjugated
Size	100 μg
Concentration	100 μg/ml
Applications	frozen sections, immunoassay, IP, paraffin sections, WB
Reviews / Ratings	If you have used this antibody, please help fellow researchers by submitting reviews to pAbmAbs and antYbuddY.
Description	The polyclonal antibody recognizes serum amyloid P (SAP). Serum amyloid P component (SAP) belongs to a highly conserved superfamily of calcium-dependent ligand binding and lectin (carbohydrate binding) proteins. Due to the pentameric structure these proteins are also called pentraxins. SAP is 25kDa in size. C-reactive protein (CRP) and SAP are well-charactarized short pentraxins, which are produced in the liver in response to inflammatory mediators. Pentraxin 3 (PTX3) is the prototypic long pentraxin. Both SAP and CRP are evolutionary conserved in all vertebrates and found in distant invertebrates such as the horseshoe crab (Limulus polyphemus). They share 51% residue sequence identity and 66% homology. SAP is highly resistant to proteolysis, especially when it forms complexes with calcium-dependent ligands. SAP avidly binds to macromolecular ligands, such as nucleosomal DNA, glycosaminoglycans and amyloid fibrils. When aggregated it can bind C1q and activate the classical complement pathway. Human SAP is not an acute phase reactant following acute stimuli, this in contrast to mouse SAP and human CRP. In mouse, SAP levels increase significantly 24 hours after challenge with lipopolysaccharide. SAP is a normal plasma constituent that is present in cerebrospinal fluid (CSF), in the pathognomonic lesions of Alzheimer's disease (AD), cerebrovascular and intracerebral Aβ amyloid plaques and neurofibrillary tangles. This is a result of its binding to amyloid fibrils and to paired helical filaments, respectively. The protein itself may also be directly neurocytotoxic. SAP contributes significantly to the pathogenesis of amyloidosis. The mechanism of its participation is not yet known and importantly may differ between species. The normal human serum level of SAP is 30-40 μg/ml. One study described that the mean SAP concentration in serum of women (24 μg/ml) is significantly lower than in men (32 μg/ml). The concentration does not alter significantly after major surgery and is only slightly increased during chronic active diseases. Significantly low levels of SAP are only seen in patients with severe hepatocellular impairment which reduces plasma protein synthesis. In cerebrospinal fluid (CSF), the mean level of SAP in healthy individuals is 8.5 ng/ml
Immunogen	Purified natural human SAP
Other Names	n/a
Gene, Accession #	n/a
Catalog #	HP9055
Price
Order / More Info	SAP, Human Antibody from HYCULT BIOTECH
Product Specific References	n/a
產(chǎn)品資料

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