Confocal immunofluorescent analysis of rat cerebellum using Calbindin (D1I4Q) XP® Rabbit mAb (Alexa Fluor® 594 Conjugate) (red) and GFAP (GA5) Mouse mAb #3670 (green). Samples were mounted in ProLong® Gold Antifade Reagent with DAPI #8961 (blue).
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This Cell Signaling Technology antibody is conjugated to Alexa Fluor® 594 fluorescent dye and tested in-house for direct immunofluorescent analysis in rat cells. This antibody is expected to exhibit the same species cross-reactivity as the unconjugated Calbindin (D1I4Q) XP® Rabbit mAb #13176.
Supplied in PBS (pH 7.2), less than 0.1% sodium azide and 2 mg/ml BSA. Store at 4°C. Do not aliquot the antibody. Protect from light. Do not freeze.
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalent grade water.
Cover sections with 4% formaldehyde dilute in 1X PBS.
NOTE: Formaldehyde is toxic, use only in fume hood.
NOTE: All subsequent incubations should be carried out at room temperature unless otherwise noted in a humid light-tight box or covered dish/plate to prevent drying and fluorochrome fading.
posted November 2006
revised November 2013
Protocol Id: 222
Calbindin (D1I4Q) XP® Rabbit mAb (Alexa Fluor® 594 Conjugate) recognizes endogenous levels of total calbindin protein.
Human, Mouse, Rat
Monoclonal antibody is produced by immunizing animals with recombinant protein specific to the amino terminus of human calbindin protein.
Calcium-binding proteins of different subfamilies regulate the second messenger calcium. Calbindin, calmodulin, S-100, parvalbumin and troponin C are members of the low molecular weight calcium-binding protein family (1). Calbindin is expressed in discrete neuronal populations within the CNS and is thought to act as an intracellular calcium buffering protein. Most Purkinje cells express calbindin, which is expressed when neurons start to migrate and differentiate. In contrast, other calcium buffering proteins, such as parvalbumin, are expressed later during development and in parallel with increasing neuronal activity (2).
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