Brain-Derived Neurotrophic Factor (BDNF) is a protein encoded by the BDNF gene in humans. It supports the survival of neurons in the central and peripheral nervous systems. BDNF functions as a neurotransmitter modulator and engages in neuronal plasticity. BDNF protein encourages the growth and maturation (differentiation) of new neurons and synapses. BDNF biomarker has been detected in the hippocampus, cortex, and basal forebrain, areas of brain responsible for learning, memory, and higher thinking. BDNF protein is also detectable in the kidneys, retina, motor neurons, saliva, and skeletal muscle . When searching for ‘What is BDNF’, you can also search for its aliases – Abreneurin, ANON2, and BULN2.
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BDNF level considered normal in humans and other species is an area of active biological research. At NorthEast BioLab, we tailor BDNF testing to suit your desired assay parameters through BDNF MSD, Luminex, and ELISA. Typically, these BDNF assays employ the fundamentals of the quantitative sandwich enzyme immunoassay technique explained below.
First, we pre-coat the antibody specific to capture BDNF biomarker onto a microplate and follow up by a plate wash to remove any unbound substances. Next, calibration standards, quality controls, and biological samples get pipetted into the plate wells, and the immobilized capture antibody binds any BDNF present. Then, we wash off any unbound material following proper shaking and incubation as per method protocol. Later, a biotin-conjugated antibody specific for BDNF detection gets added to the wells· After washing, we add avidin conjugated Horseradish Peroxidase (HRP) to the plate wells and rinse again to remove any unbound avidin-enzyme reagent. Eventually, we add a substrate solution to the plate wells, and color develops in proportion to the amount of BDNF bound in the initial step. The final step in BDNF ELISA requires us to halt the color development and quantitate the color intensity with a suitable plate reader.
Over the years, NorthEast Biolab has acquired the experience to reproduce high-quality BDNF assays. Our scientists and researchers can perform BDNF assay to measure the analyte in multiple formats. We have extensive expertise on BDNF assay specifics, such as matrix type, tissue lysis, volume requirements, sample dilution, and multiplexing possibilities. Our scientists rely only on preapproved vendors and recommended kits, antibodies, diluents, buffers, substrates, reagents, calibrators, control matrices, etc. for running BDNF Luminex and MSD Assay. We follow the industry best practices to ensure accuracy and test your biomarkers through high-affinity materials. Our focus on efficiency and operational excellence helps us deliver high-quality BDNF testing services to all our sponsors.
Numerous publications have associated BDNF biomarker levels with conditions affecting various brain functions. Some of these include depression, schizophrenia, obsessive-compulsive disorder, Alzheimer’s disease, Huntington’s disease, Rett syndrome, dementia, and anorexia nervosa and bulimia nervosa neurodegeneration. Increasingly, literature illustrates the considerable interest in the presence of brain-derived neurotrophic factor (BDNF) in human blood.
Here are some resources for you to read further on the BDNF protein:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2504526/
https://ghr.nlm.nih.gov/gene/BDNF
https://elifesciences.org/articles/15092/
https://www.sciencedirect.com/topics/medicine-and-dentistry/brain-derived-neurotrophic-factor/
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Brain-Derived Neurotrophic factor is vital for long-term memory. The brain retains the capability of neurogenesis which is the capability to grow neurons from stem cells, even though most human neurons have prenatal formation. BDNF biomarker is one of the neurotropin, which are proteins that aid the stimulation of neurogenesis. Other researched BDNF functions and effects include synaptic plasticity, inflammation and immunity, growth of cardiac and endothelial cells, lipid metabolism, etc. Specific exercises, such as treadmill in mice and aerobics in humans, are considered to increase BDNF growth factors.