BRAIN DERIVED NEUROTROPHIC FACTOR, HUMAN

BRAIN DERIVED NEUROTROPHIC FACTOR, HUMAN Chemische Eigenschaften,Einsatz,Produktion Methoden

• Beschreibung

  Brain-derived neurotrophic factor is the second member of the neurotrophin-family trophic factors. BDNF is a polypeptide consisting of 119 amino acid residues, and forms a homodimer. There are two types of receptors binding to BDNF: tropomyosin receptor kinase B (TrkB), the high-affinity receptor, and p75NTR, the low affinity receptor. BDNF regulates the growth, maintenance, and survival of certain target neurons as well as the synaptic plasticity, learning, and memory through the activation of TrkB. On the other hand, the role of p75NTR is less clear.

• Verwenden

  Brain-derived neurotrophic factor (BDNF) recombinant human protein has been used as a supplement in various types of culture media.

• Allgemeine Beschreibung

  The gene BDNF (brain derived neurotrophic factor) is mapped to human chromosome 11p14.1. BDNF is a member of the neurotrophin family of growth factors. The gene encodes a precursor protein, proBDNF. Mature BDNF (mBDNF) is synthesized by post-translational cleavage of proBDNF. Both proBDNF and mBDNF play crucial roles in cellular signaling. BDNF is expressed as the C-terminal portion of a 247 amino acid polypeptide precursor, which also contains a signal sequence of 18 amino acid residue and a propeptide of 110 amino acid residues. Recombinant human BDNF is a 27.0kDa homodimer of two 119 amino acid subunits linked by strong noncovalent interactions.

• Biochem/physiol Actions

  Like other members of this family, BDNF (brain derived neurotrophic factor) supports neuron proliferation and survival. BDNF can bind to a low affinity cell surface receptor called LNGFR (low-affinity nerve growth factor receptor), which also binds other neurotrophins such as NGF (nerve growth factor), NT-3 (neurotrophin-3) and NT-4. However, BDNF mediates its neurotrophic properties by signaling through a high affinity cell surface receptor called gp145/trkB (tropomyosin-related kinase B). BDNF also plays an important role in vascular function and participates in angiogenesis. It is involved in the pathogenesis of Alzheimer′s disease. ProBDNF interacts with p75 neurotrophin receptor, leading to long-term depression in the hippocampus.

• Lager

  -20°C

BRAIN DERIVED NEUROTROPHIC FACTOR, HUMAN Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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