Biotin anti-Neurofilament H (NF-H), Phosphorylated Antibody - SMI 31,BioLegend,801608

Additional reported applications (for the relevant formats) include: Western blotting1, immunohistochemistry2,4, and immunocytochemistry4.SMI 31 reacts with a phosphorylated epitope in extensively phosphorylated neurofilament H and, to a lesser extent, with neurofilament M in most mammalian species, which chicken and frog (Xenopus). Immunocytochemically, SMI 31 reacts broadly with thick and thin axons and some dendrites such as basket cell dendrites, but not Purkinje cell dendrites. Nerve cell bodies are generally unreactive. Other cells and tissues are unreactive except for peripheral axons. Phosphatase treatment of tissue sections or Western blots abolishes reaction with SMI 31. Staining is unaffected by trypsin. In pathological conditions, reaction with SMI 31 may be found also in neuronal cell bodies. Aberrant phosphorylation of neurofilament H in cell bodies can be demonstrated in neuronal cell cultures with SMI 31 by agents that induce stress-activated protein kinase. In its reaction with paired helical filaments in hereditary inclusion body myopathy, SMI 31 colocalizes with nitric oxide synthase, suggesting that oxidative stress may play a role in the pathogenic cascade of such degenerative diseases. SMI 31 co-immunoprecipitates neurofilament-associated kinase (NAK 115) via reaction of the antibody with the tail domain of neurofilament H.

Host

Mouse

Reactivity

Human, Mouse, Rat

Application

IHC-P - Quality testedWB - Verified

Platform ID

BAB389835991

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Product Specifications
Scientific Background

Specifications

NameBiotin anti-Neurofilament H (NF-H), Phosphorylated Antibody - SMI 31
Cat. No.801608
HostMouse
RRIDAB_2650680 (BioLegend Cat. No. 801608)
IsotypeMouse IgG1, κ
ReactivityHuman, Mouse, Rat
ApplicationIHC-P - Quality testedWB - Verified
ClonalityMonoclonal
Clone NumberSMI 31
Concentration0.5 mg/ml
TargetNeurofilament H
PurityThe antibody was purified by affinity chromatography and conjugated with biotin under optimal conditions.
FormulationPhosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
StorageThe antibody solution should be stored undiluted between 2°C and 8°C.Do not freeze.
Regulatory StatusResearch Use Only

Scientific Background

Neurofilaments (NF) are approximately 10 nanometer intermediate filaments found in neurons. They are a major component of the neuronal cytoskeleton, and function primarily to provide structural support for the axon and to regulate the axon diameter. There are three major NF subunits, and the names given to these subunits are based upon the apparent molecular mass of the mammalian subunits on SDS-PAGE. The light or lowest (NF-L) runs at 68-70 kD. The medium or middle (NF-M) runs at about 145-160 kD, and the heavy or highest (NF-H) runs at 200-220 kD. However, the actual molecular weight of these proteins is considerably lower due to the highly charged C-terminal regions of the molecules. The level of NF gene expression correlates with the axonal diameter, which controls how fast electrical signals travel down the axon. Mutant mice with NF abnormalities have phenotypes resembling amyotrophic lateral sclerosis. NF immunostaining is common in diagnostic neuropathology. It is useful for differentiating neurons (positive for NF) from the glia (negative for NF).

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