Neuregulin-1/NRG1 Antibody (147724) [Unconjugated] Summary
Immunogen |
E. coli-derived recombinant human Neuregulin‑1/NRG1 Ser2-Lys246 Accession # AAA58639 |
Specificity |
Detects human Neuregulin‑1/NRG1 in direct ELISAs and Western blots. In direct ELISAs, no cross‑reactivity with the EGF‑like domains of recombinant human (rh) NRG1-beta 1 (aa 176‑246) or rhNRG1-alpha (aa 177‑241). Therefore, this antibody recognizes an epitope located within aa 2‑176 segment N‑terminal to the EGF‑like domain. This segment is present in all NRG1‑ alpha , beta and gamma isoforms and in NDF43 and glial growth factor (GGF). It is absent from the NRG1 gene products GGF2 and SMDF. |
Source |
N/A |
Isotype |
IgG2b |
Clonality |
Monoclonal |
Host |
Mouse |
Gene |
NRG1 |
Purity Statement |
Protein A or G purified from hybridoma culture supernatant |
Innovator's Reward |
Test in a species/application not listed above to receive a full credit towards a future purchase. |
Applications/Dilutions
Dilutions |
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Publications |
Read Publications using MAB377 in the following applications:
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Packaging, Storage & Formulations
Storage |
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. - 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
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Buffer |
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS. |
Preservative |
No Preservative |
Reconstitution Instructions |
Reconstitute at 0.5 mg/mL in sterile PBS. |
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Neuregulin-1/NRG1 Antibody (147724) [Unconjugated]
Background
The Neuregulin family of structurally related glycoproteins comprises products from four distinct but related genes, Nrg-1, Nrg-2, Nrg-3, and Nrg-4. Through alternative splicing or the use of alternative promoters, Nrg-1
has been shown to encode more than 14 soluble or transmembrane
proteins. The extracellular domain of the transmembrane NRG1 isoforms
can be proteolytically cleaved to release soluble growth factors. All
NRG1 isoforms contain an EGF-like domain ( alpha - or beta -splice variant that
differ in their C-terminal region) that is required for their direct
binding to the ErbB3 or ErbB4 receptor tyrosine kinases. The ErbB3 or
ErbB4 subsequently recruits and heterodimerizes with ErbB2, resulting in
tyrosine phosphorylation and NRG1 signaling. NRG1 isoforms can be
classified into three major subtypes. Type I (Neu Differentiation
Factor, NDF; Heregulin, HRG; Acetylcholine Receptor Inducing Activity,
ARIA) and type II (Glial Growth Factor, GGF) NRG1s have an
immunoglobulin (Ig)-like domain N-terminal to the EGF-like domain. Type I
NRG1s differ from type II NRG1s by having a glycosylation-rich domain
between the Ig-like and the EGF-like domains. Type III NRG1s (Sensory
and Motor neuron-Derived Factor) lacks the Ig-like domain but has a
cysteine rich domain (CRD) instead. NRG1 isoforms show distinct spatial
and temporal expression patterns. These proteins play important roles
during development of both the nervous system and the heart. They have
been shown to regulate the selective expression of neurotransmitter
receptors in neurons and at the neuromuscular junction, and promote the
differentiation and development of Schwann cells from neural crest stem
cells. NRG1s have also been shown to be involved in the establishment of
the oligodendroglial lineage.
- Buonanno, A., and G.D Fischbach (2001) Curr. Opin. Neurobiol. 11:287.
- Adlkofer, K. and C. Lai (2000) Glia 29:104.
- Garratt, A.N. et al., (2000) BioEssays 22:987.
Limitations
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are
guaranteed for 1 year from date of receipt.
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