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N4773

Sigma-Aldrich

Neuron-specific enolase from human brain

≥95% (SDS-PAGE), buffered aqueous solution

Synonym(s):

2-Phospho-D-glycerate hydro-lyase, Enolase, Neuron-specific from human brain, NSE, Thermolabile antigen A

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About This Item

Enzyme Commission number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

biological source

human brain

Quality Level

assay

≥95% (SDS-PAGE)

form

buffered aqueous solution

specific activity

≥10 units/mg protein

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

Gene Information

human ... ENO2(2026)

General description

Neuron-specific enolase (NSE) is a neuronal form of the glycolytic enzyme enolase, which was first found in extracts of brain tissue.

Application

Neuron-specific enolase from human brain has been used in a study to assess human amniotic mesenchymal stem cells in the treatment of focal cerebral ischemia. It has also been used in a study to investigate sinonasal teratocarcinosarcoma with rhabdoid features.

Biochem/physiol Actions

Neuron-specific enolase (NSE) is expressed in all neuronal cell types, and its expression marks the acquisition of synaptic function. Following acute neuronal injury, NSE levels are increased in neuronal cell bodies. Increased levels of NSE in serum and cerebrospinal fluid have been used as markers for injury and neuronal cell death. Tumors derived from many cell types, including most neuronal and neuroendocrine tumors, express NSE.
Neuron-specific enolase promotes survival of neurons and can provide neuroprotective effects by binding to neurons in a calcium-dependent manner.

Unit Definition

One unit causes the formation of 1.0 μmole of phospho(enol)pyruvate per minute at pH 6.8 at 25 °C

Physical form

Solution in 100 mM Tris-HCl, 5 mM MgSO4, 250 mM KCl, pH 5.0-5.2

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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Transplantation of human amniotic mesenchymal stem cells in the treatment of focal cerebral ischemia
Li, F., et al.
Molecular Medicine, 6, 625-630 (2012)
Jo-Heon Kim et al.
Pathology international, 61(12), 762-767 (2011-12-01)
Sinonasal teratocarcinosarcoma (SNTCS) is a very rare tumor developed in the nasal cavity and paranasal sinuses. The rhabdoid phenotype represents an aggressive biological behavior, but the rhabdoid feature has hitherto not been reported in cases of SNTCS. A 46-year-old man
Neuron-specific enolase is produced by neuroendocrine tumours
Tapia, F., et al.
Lancet, 317, 808-811 (1981)
T Hattori et al.
Neuroscience research, 21(3), 191-198 (1995-01-01)
We previously reported that the gamma gamma-isozyme of enolase, NSE), one of the glycolytic enzymes, promoted the survival of embryonic rat neocortical neurons in culture, but alpha alpha-isozyme (non-neuronal enolase) had no effect. In the present study, the neurotrophic effects
[Clinicopathologic observation of renal carcinoid tumors].
Po Li et al.
Zhonghua bing li xue za zhi = Chinese journal of pathology, 41(12), 846-847 (2013-01-18)

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