Recombinant Human BDNF Protein

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1 μg/lane of Recombinant Human BDNF was resolved with SDS-PAGE under reducing (R) conditions and visualized by silver staining, showing a single band at 13 kDa.
Recombinant Human BDNF (Catalog #248‑BD) stimulates cell proliferation in the BaF mouse pro-B cell line transfected with TrkB. The ED50 for this effect is 0.2-2 ng/mL.

Product Details

Summary
Reactivity Hu, Mu, Rt, Ca, EqSpecies Glossary
Applications Bioactivity

Order Details

Recombinant Human BDNF Protein Summary

Additional Information
Product is in the process of discontinuation.100% sequence homology with Mouse, Rat, Canine, Equine and all other mammalian proteins examined.
Details of Functionality
Measured in a cell proliferation assay using BaF mouse pro-B cells transfected with TrkB. The ED50 for this effect is 0.2-2 ng/mL.
The specific activity of Recombinant Human/Mouse/Rat/Canine/Equine BDNF is approximately 1.3 x 103 units/μg, which is calibrated against recombinant human BDNF WHO Standard (NIBSC code: 96/534).
Measured by its binding ability in a functional ELISA. When Recombinant Human TrkB Fc Chimera (Catalog # 688-TK) is coated at 1 μg/mL, Recombinant Human BDNF binds with an apparent Kd <1 nM.
Source
Spodoptera frugiperda, Sf 21 (baculovirus)-derived BDNF protein
His129-Arg247
Accession #
N-terminal Sequence
His129
Protein/Peptide Type
Recombinant Proteins
Gene
BDNF
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Theoretical MW
13.5 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
13-14 kDa, reducing conditions
Publications
Read Publications using
248-BD in the following applications:

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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in Sodium Citrate and NaCl with BSA as a carrier protein.
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Reconstitution Instructions
Reconstitute at 25 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human BDNF Protein

  • Abrineurin
  • ANON2
  • BDNF
  • brain-derived neurotrophic factor
  • BULN2
  • MGC34632
  • neurotrophin

Background

Brain-derived neurotrophic factor (BDNF) is a member of the NGF family of neurotrophic factors (also named neurotrophins) that are required for the differentiation and survival of specific neuronal subpopulations in both the central as well as the peripheral nervous system. The neurotrophin family is comprised of at least four proteins including NGF, BDNF, NT-3, and NT-4/5. These secreted cytokines are synthesized as prepropeptides that are proteolytically processed to generate the mature proteins (1, 2). All neurotrophins have six conserved cysteine residues that are involved in the formation of three disulfide bonds and all share approximately 55% sequence identity at the amino acid level. Similarly to NGF, bioactive BDNF is predicted to be a non-covalently linked homodimer.

BDNF cDNA encodes a 247 amino acid residue precursor protein with a signal peptide and a proprotein that are cleaved to yield the 119 amino acid residue mature BDNF. The amino acid sequence of mature BDNF is identical in all mammals examined. High levels of expression of BDNF have been detected in the hippocampus, cerebellum, fetal eye and placenta. In addition, low levels of BDNF expression are also found in the pituitary gland, spinal cord, heart, lung and skeletal muscle. BDNF binds with high affinity and specifically activates the TrkB tyrosine kinase receptor (3).

  1. Eide, F.F. et al. (1993) Exp. Neurol. 121:200.
  2. Snider, W.D. (1994) Cell 77:627.
  3. Barbacid, M. (1994) J. Neurobiol. 25:1386.

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248-BD
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Publications for BDNF (248-BD)(106)

We have publications tested in 6 confirmed species: Human, Mouse, Rat, N/A, Porcine, Primate - Callitrix jacchus (Common Marmoset).

We have publications tested in 6 applications: Bioassay, ELISA Standard, In Vivo, Surface Plasmon Resonance, WB Standard, cell culture.


Filter By Application
Bioassay
(93)
ELISA Standard
(1)
In Vivo
(8)
Surface Plasmon Resonance
(1)
WB Standard
(1)
cell culture
(1)
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Filter By Species
Human
(62)
Mouse
(28)
Rat
(11)
N/A
(2)
Porcine
(1)
Primate - Callitrix jacchus (Common Marmoset)
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All Species
Showing Publications 1 - 10 of 106. Show All 106 Publications.
Publications using 248-BD Applications Species
K Kirino, T Nakahata, T Taguchi, MK Saito Efficient derivation of sympathetic neurons from human pluripotent stem cells with a defined condition Sci Rep, 2018;8(1):12865. 2018 [PMID: 30150715] (Bioassay, Human) Bioassay Human
K Fujimori, M Ishikawa, A Otomo, N Atsuta, R Nakamura, T Akiyama, S Hadano, M Aoki, H Saya, G Sobue, H Okano Modeling sporadic ALS in iPSC-derived motor neurons identifies a potential therapeutic agent Nat. Med., 2018;0(0):. 2018 [PMID: 30127392] (Bioassay, Human) Bioassay Human
S Koyuncu, I Saez, HJ Lee, R Gutierrez-, W Pokrzywa, A Fatima, T Hoppe, D Vilchez The ubiquitin ligase UBR5 suppresses proteostasis collapse in pluripotent stem cells from Huntington&#039;s disease patients Nat Commun, 2018;9(1):2886. 2018 [PMID: 30038412] (Bioassay, Human) Bioassay Human
N Tsuburaya, K Homma, T Higuchi, A Balia, H Yamakoshi, N Shibata, S Nakamura, H Nakagawa, SI Ikeda, N Umezawa, N Kato, S Yokoshima, M Shibuya, M Shimonishi, H Kojima, T Okabe, T Nagano, I Naguro, K Imamura, H Inoue, T Fujisawa, H Ichijo A small-molecule inhibitor of SOD1-Derlin-1 interaction ameliorates pathology in an ALS mouse model Nat Commun, 2018;9(1):2668. 2018 [PMID: 29991716] (Bioassay, Human) Bioassay Human
MZ Ozair, C Kirst, BL van den Be, A Ruzo, T Rito, AH Brivanlou hPSC Modeling Reveals that Fate Selection of Cortical Deep Projection Neurons Occurs in the Subplate Cell Stem Cell, 2018;0(0):. 2018 [PMID: 29937203] (Bioassay, Human) Bioassay Human
G Collo, L Cavalleri, M Zoli, U Maskos, E Ratti, E Merlo Pich Alpha6-Containing Nicotinic Acetylcholine Receptors Mediate Nicotine-Induced Structural Plasticity in Mouse and Human iPSC-Derived Dopaminergic Neurons Front Pharmacol, 2018;9(0):572. 2018 [PMID: 29910731] (Bioassay, Human) Bioassay Human
KL Gibbs, B Kalmar, ER Rhymes, AD Fellows, M Ahmed, P Whiting, CH Davies, L Greensmith, G Schiavo Inhibiting p38 MAPK alpha rescues axonal retrograde transport defects in a mouse model of ALS Cell Death Dis, 2018;9(6):596. 2018 [PMID: 29789529] (Bioassay, Mouse) Bioassay Mouse
A Sarkar, A Mei, ACM Paquola, S Stern, C Bardy, JR Klug, S Kim, N Neshat, HJ Kim, M Ku, MN Shokhirev, DH Adamowicz, MC Marchetto, R Jappelli, JA Erwin, K Padmanabha, M Shtrahman, X Jin, FH Gage Efficient Generation of CA3 Neurons from Human Pluripotent Stem Cells Enables Modeling of Hippocampal Connectivity In�Vitro Cell Stem Cell, 2018;22(5):684-697.e9. 2018 [PMID: 29727680] (Bioassay, Human) Bioassay Human
M Zaim, S Isik DNA topoisomerase II? stimulates neurite outgrowth in neural differentiated human mesenchymal stem cells through regulation of Rho-GTPases (RhoA/Rock2 pathway) and Nurr1 expression Stem Cell Res Ther, 2018;9(1):114. 2018 [PMID: 29695291] (Bioassay, Human) Bioassay Human
DR Gomez, LA Byers, M Nilsson, L Diao, J Wang, L Li, P Tong, M Hofstad, B Saigal, I Wistuba, N Kalhor, S Swisher, Y Fan, WK Hong, M Suraokar, C Behrens, C Moran, JV Heymach Integrative proteomic and transcriptomic analysis provides evidence for TrkB (NTRK2) as a therapeutic target in combination with tyrosine kinase inhibitors for non-small cell lung cancer Oncotarget, 2018;9(18):14268-14284. 2018 [PMID: 29581842] (Bioassay, Human) Bioassay Human
Show All 106 Publications.

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Blogs on BDNF.

The use of a GFP antibody for research applications in transgenic C. elegans, GFP tagged yeast and porcine model
GFP, or green fluorescent protein, is a chemiluminescent protein derived from Aequorea jellyfish that was first discovered by Osamu Shimomura.  It was soon after established that the emission spectra of GFP was right around 509nm, or the ultraviol...  Read full blog post.

The identification of dopaminergic neurons using Tyrosine Hydroxylase in Parkinson's research and LRRK2
Tyrosine hydroxylase (TH) is a crucial enzyme involved in the biosynthesis of dopamine, norepinephrine and epinephrine in the brain.  Specifically, TH catalyzes the conversion of l-tyrosine to l-dihydroxyphenylalanine (l-dopa).  The importance of t...  Read full blog post.

Niemann Pick-C1 and cholesterol dynamics
Niemann-Pick type C1 (NPC1) mediates low-density cholesterol transport from late endosomes and lysosomes to other areas of the cell via receptor mediation endocytosis.  Although cholesterol moves freely inside the cell, it cannot independently expo...  Read full blog post.

Synapsin I: Implicated in synaptic activity across a diverse range of studies
Synapsins are a family of neuronal proteins that are most renowned for their activity in modulating the pre-synaptic terminal.  Synapsin’s behavior is regulated by protein kinases and phosphatases, which alter the way that synapsin’s i...  Read full blog post.

TrkB: Bridging Ontogenesis and Oncogenesis
Tropomyosin receptor kinase B (TrkB) is a member of the Trk receptor tyrosine kinases family consisting of TrkA, TrkB and TrkC. The sequence of these family members is highly conserved. Interaction of brain-derived neurotrophic factor (BDNF) with its...  Read full blog post.

TrkB and Nervous System Function
Neutrophins and their receptors play an important role in regulating the development of both the central and peripheral nervous systems. Neurotrophin ligand binding to each of their respective Trk cellular receptors is essential for the growth and sur...  Read full blog post.

TrkB: Docking for Neurotrophins and Beyond.
Tropomyosin receptor kinase B (TrkB) is a member of the Trk receptor tyrosine kinases family consisting of TrkA, TrkB and TrkC. The sequence of these family members is highly conserved. TrK's are activated by several neurotrophins, which are small pro...  Read full blog post.

BDNF Antibodies Aid Research on Alzheimer's Therapies
Brain-derived neurotrophic factor (BDNF) is known to be important for neuronal differentiation, survival, migration and plasticity in both the developing embryo and adult synapses. The BDNF antibody is also proving to be an important tool in Alzheimer...  Read full blog post.

BDNF Antibodies and Synaptic Research
Brain-derived neurotrophic factor (BDNF) is a member of the NGF family of neurotrophins. During development it regulates the survival and differentiation of neuronal cell populations in the central and peripheral nervous system, while in adult synapse...  Read full blog post.

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Bioinformatics

Gene Symbol BDNF
Uniprot