1. Recombinant Proteins
  2. Cytokines and Growth Factors
  3. Neurotrophic Factors
  4. Neurotrophins/NGF
  5. Brain Derived Neurotrophic Factor (BDNF)
  6. BDNF Protein, Human (R125A, R127A, R128A)

BDNF Protein, Human (R125A, R127A, R128A)

Cat. No.: HY-P72489
COA Handling Instructions

Brain Derived Neurotrophic Factor (BDNF) is a neurotrophin that belongs to NGF-beta family. BDNF can bind to its high affinity receptor TrkB and activates signal transduction cascades (IRS1/2, PI3K, Akt). BDNF can also bind to the p75NTR, but the affinity for the p75NTR receptor is lower than for TrkB. BDNF is a neurotransmitter modulator, and is vital in maturation, survival and differentiation of neuronal populations during development. BDNF also participates in neuronal plasticity, which is essential for learning and memory. BDNF is widely expressed in the CNS. BDNF Protein, Human (R125A, R127A, R128A) is a recombinant human BDNF (A19-R247) with R125A, R127A, R128A mutations, and without tag, which is produced in E.coli.

For research use only. We do not sell to patients.

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  • Biological Activity

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Description

Brain Derived Neurotrophic Factor (BDNF) is a neurotrophin that belongs to NGF-beta family. BDNF can bind to its high affinity receptor TrkB and activates signal transduction cascades (IRS1/2, PI3K, Akt)[1]. BDNF can also bind to the p75NTR, but the affinity for the p75NTR receptor is lower than for TrkB[2]. BDNF is a neurotransmitter modulator, and is vital in maturation, survival and differentiation of neuronal populations during development. BDNF also participates in neuronal plasticity, which is essential for learning and memory. BDNF is widely expressed in the CNS[1]. BDNF Protein, Human (R125A, R127A, R128A) is a recombinant human BDNF (A19-R247) with R125A, R127A, R128A mutations, and without tag, which is produced in E.coli.

Background

BDNF, a neurotrophin that belongs to NGF-beta family. BDNF is widely expressed in the CNS, gut and other tissues. BDNF regulates neurodevelopmental processes, including maturation, survival and differentiation of neuronal populations, and synaptic plasticity[1].
BDNF can bind to its high affinity receptor TrkB and activates signal transduction cascades (IRS1/2, PI3K, Akt), thereby inducing increased Ca2+ intake and phosphorylation of transcription factors. BDNF can also bind to the p75NTR, but the affinity for the p75NTR receptor is lower than for TrkB. The activation of p75NTR increases apoptotic and inflammatory signaling in neurons and glial cells by activation of c-Jun N-terminal kinases (JNK) and NF-κB expression, respectively[2]. In human, decreased levels of BDNF are associated with neurodegenerative diseases (such as Parkinson's disease and Alzheimer's disease) and type 2 diabetes mellitus[1]. Human BDNF shares >97% aa sequence identity with mouse and rat. Rat BDNF shares >99% aa sequence identity with mouse.
BDNF is a neurotransmitter modulator which is vital in maturation, survival and differentiation of neuronal populations during development. BDNF also participates in neuronal plasticity, which is essential for learning and memory[1].

In Vitro

BDNF (human, 50 ng/mL, 3 days) increases percentage of neurite-bearing cells in PC12 cells[3].

In Vivo

BDNF (human, 0.25 μg/side, intrahippocampal administration) increases ERK1/2 and CREB activation and facilitated LTM in rats[4].

Species

Human

Source

E. coli

Tag

Tag Free

Accession

P23560 (A19-R247, R125A, R127A, R128A)

Gene ID

627  [NCBI]

Molecular Construction
N-term
BDNF (A19-R247, R125A, R127A, R128A)
Accession # P23560
C-term
Synonyms
Brain-derived neurotrophic factor; BDNF; Abrineurin; ProBDNF
Molecular Weight

Approximately 28 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE.

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, pH 8.0.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Storage & Stability

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Documentation
References

BDNF Protein, Human (R125A, R127A, R128A) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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BDNF Protein, Human (R125A, R127A, R128A)
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HY-P72489
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