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Saporin Goat Polyclonal [AB-15]

$340.00

SKU: AB-15 Categories: , Quantity: 100 ul | Antibody Type: Polyclonal | Host: goat | Reactivity: all species | Conjugate: unconjugated | Usage: ELISA, immunoblotting, immunohistochemistry |

Saporin is obtained from the seeds of the Soapwort plant (Saponaria officinalis), a plant that grows wildly in Britain and other parts of Europe. Saporin is a plant enzyme with N-glycosidase activity that depurinates a specific nucleotide in the ribosomal RNA 28S, thus irreversibly blocking protein synthesis. It belongs to the well-characterized family of ribosome-inactivating proteins (RIPs). There are two types of RIPs: type I, which are much less cytotoxic due to the lack of the B chain and type II, which are distinguished from type I RIPs by the presence of the B chain and their ability to enter cells on their own. However, type I RIPs can still be internalized by fluid-phase endocytosis. Upon internalization, the ribosomes are inactivated, resulting in cell death.

This antibody recognizes saporin. Saporin was used as the immunogen. The antibody is routinely tested by Western blot.

Applications include immunoblotting, ELISA, and immunohistochemistry.

keywords: saporin, saponaria officinalis, plant enzyme, RIP, ribosome-inactivating protein, RIP I, internalization, cell death, Anti-Saporin, Anti-SAP

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Signal peptide-regulated toxicity of a plant ribosome-inactivating protein during cell stress.

Marshall RS, D'Avila F, Di Cola A, Traini R, Spano L, Fabbrini MS, Ceriotti A (2011) Signal peptide-regulated toxicity of a plant ribosome-inactivating protein during cell stress. Plant J 65(2):218-29. doi: 10.1111/j.1365-313X.2010.04413.x PMID: 21223387

Summary: Type I ribosome inactivating proteins (RIPs) are thought to have a role in defending plants against viral or fungal infections. Most type I RIPs have signal peptides for insertion into the endoplasmic reticulum, followed by transportation to a vacuole or the cell wall. The authors examined signal peptide regulation under stress in tobacco plants transfected with saporin. One method of analysis was western blots using anti-saporin (Cat. #AB-15).

Related Products: Saporin Goat Polyclonal (Cat. #AB-15)

Cytosolic immunization allows the expression of preATF-saporin chimeric toxin in eukaryotic cells.

Fabbrini MS, Carpani D, Soria MR, Ceriotti A (2000) Cytosolic immunization allows the expression of preATF-saporin chimeric toxin in eukaryotic cells. FASEB J 14(2):391-398. doi: 10.1096/fasebj.14.2.391 PMID: 10657995

Related Products: Saporin Goat Polyclonal (Cat. #AB-15)

Differential changes in rat cholinergic parameters subsequent to immunotoxic lesion of the basal forebrain nuclei.

Waite JJ, Chen AD (2001) Differential changes in rat cholinergic parameters subsequent to immunotoxic lesion of the basal forebrain nuclei. Brain Res 918:113-120. doi: 10.1016/s0006-8993(01)02968-7 PMID: 11684049

Summary: 192-Saporin (Cat. #IT-01) is used extensively to eliminate the cholinergic neurons of the basal forebrain in rats. Waite and Chen compare the degree of loss between 192-Saporin (6 or 8.2 µg in 10 µl into left lateral ventricle) and control (Saporin, 1.82 µg into left lateral ventricle; Cat. #PR-01) using three methods: Assay of post mortem choline acetyltransferase activity, in vivo microdialysis of extracellular acetylcholine (ACh), and in vivo assessment of the rate of ACh synthesis. The infusion of saporin alone had no effect. After fifteen weeks, the authors report compensation of cholinergic activity in lesioned animals occurs in the hippocampus, but not in the frontal cortex as determined by measurement of the rate of ACh synthesis.

Related Products: 192-IgG-SAP (Cat. #IT-01), Saporin Goat Polyclonal (Cat. #AB-15), Saporin Chicken Polyclonal, affinity-purified (Cat. #AB-17AP), Saporin (Cat. #PR-01)

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Saporin Products:

Saporin (Cat. #PR-01)

Saporin Chicken Polyclonal, affinity-purified (Cat. #AB-17AP) | biotin-labeled (Cat. #AB-17AP-BT) | Alexa488-labeled (Cat. #AB-17AP-FLA)

Saporin Goat Polyclonal (Cat. #AB-15) | affinity-purified (Cat. #AB-15AP) | affinity-purified biotin-labeled (Cat. #AB-15AP-BT) | affinity-purified HRP-labeled (Cat. #AB-15AP-HRP) | affinity-purified Alexa488-labeled (Cat. #AB-15AP-FLA) | affinity-purified FITC-labeled (Cat. #AB-15AP-FL)

Saporin Rabbit Polyclonal, affinity-purified (Cat. #AB-41AP)

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