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Nerve Growth Factor

Growth Factors
NGFBeta-NGF

Overview

Nerve Growth Factor (NGF), also known as Beta-NGF, is an endogenous protein primarily produced by neurons and various other cell types, including immune cells. It belongs to the neurotrophin family, a class of proteins that are crucial for the development, maintenance, and function of the nervous system. NGF is synthesized as a precursor protein, proNGF, which is then cleaved to produce the mature, biologically active form. Researchers have extensively studied NGF due to its critical role in neuronal survival and differentiation. NGF is primarily involved in the growth, maintenance, and survival of nerve cells, including sensory and sympathetic neurons. It has been a focal point in research related to neurodegenerative diseases, such as Alzheimer's disease, due to its potential neuroprotective properties. Additionally, NGF has been implicated in pain modulation and immune system regulation, making it a versatile target for various therapeutic areas. NGF exerts its effects by binding to specific receptors on the cell surface, primarily the tropomyosin receptor kinase A (TrkA) and the p75 neurotrophin receptor (p75NTR). Upon binding to TrkA, NGF activates several intracellular signaling pathways, including the MAPK/ERK, PI3K/Akt, and PLCγ pathways, leading to cellular responses such as survival, differentiation, and growth. The interaction with p75NTR can modulate these effects, often in a context-dependent manner. The pharmacokinetic properties of NGF are not extensively characterized, but researchers have observed that it has a relatively short circulating half-life, likely due to rapid uptake by target tissues and degradation. The bioavailability of NGF by various routes is not well-documented, and its metabolism involves proteolytic degradation. Clinically, NGF has been explored for its potential therapeutic applications in neurodegenerative diseases and peripheral neuropathies. However, its clinical use is limited, and it is not widely approved for therapeutic use. Regulatory standing varies by region, with ongoing research to better understand its potential benefits and risks.

Mechanism of Action

NGF acts primarily through the TrkA receptor, initiating a cascade of intracellular signaling pathways such as MAPK/ERK, PI3K/Akt, and PLCγ, which promote neuronal survival, differentiation, and growth. The p75NTR receptor modulates these effects, sometimes enhancing or inhibiting the TrkA-mediated responses depending on cellular context.

Half-Life & Pharmacokinetics

EndogenousCirculating half-life is relatively short, estimated to be in the range of minutes.

Due to its protein nature, NGF is subject to rapid degradation and uptake, limiting its half-life.

Storage

Temperature

Refrigerate at 2-8°C

Light

Protect from light

Form

Aqueous solution: use within specified time after reconstitution

Notes

Avoid repeated freeze-thaw cycles to maintain stability.

Solubility

NGF is soluble in aqueous solutions, which is relevant for its formulation in research and potential therapeutic applications.

Legal Status

🇩🇪DE

Data limited

🇺🇸US

Data limited

🇦🇺AU

Data limited

🇬🇧UK

Data limited

Legal status information is provided for general reference only and may not reflect the most current regulatory changes. Always verify with official government sources before making any decisions.

9 Research Publications

Selective promotion of sensory innervation-mediated immunoregulation for tissue repair.

Unknown

Science advances · 2025

Researchers observed that enhancing sensory nerve growth can help reduce inflammation and improve tissue healing after injury. They developed a method using special proteins to promote sensory nerves in damaged areas, which in turn helps regulate immune responses and supports recovery, particularly in bone repair.

  • Enhancing sensory innervation can aid tissue regeneration.
  • A new method was created to boost sensory nerve growth using specific proteins.
  • This approach helps manage inflammation and supports healing, especially in bone injuries.
PubMed

Localization of β-Nerve Growth Factor in the Stallion Reproductive Tract.

Unknown

Veterinary sciences · 2024

Researchers found that β-Nerve Growth Factor (β-NGF), a protein important for reproduction, is present in the stallion's reproductive tract. They observed strong levels of β-NGF in the efferent ducts of the testes and various accessory sex glands, suggesting its role in stallion fertility.

  • β-NGF is present in the stallion reproductive tract.
  • Strong levels of β-NGF were found in the efferent ducts of the testes.
  • β-NGF was also observed in accessory sex glands like the prostate and seminal vesicles.
PubMed

Can Nerve Growth Factor (NGF) Be a Treatment Option for Pediatric Eye Diseases?

Review

Seminars in ophthalmology · 2023

Researchers observed that nerve growth factor (NGF) could be a promising treatment for various eye diseases in children, similar to its use in adults. The review highlights successful clinical trials showing NGF's potential in treating challenging eye conditions, suggesting it may help improve eye health in pediatric patients.

  • NGF promotes nerve regeneration and cellular rescue in eye conditions.
  • Clinical trials have shown NGF's effectiveness in treating serious eye diseases.
  • NGF has demonstrated safety and efficacy in pediatric patients.
PubMed

Review: Unveiling the effect of beta-nerve growth factor on the reproductive function in llamas and cows.

Review

Animal : an international journal of animal bioscience · 2023

Researchers observed that beta-nerve growth factor (β-NGF) plays a significant role in the reproductive functions of llamas and cows. It appears to trigger ovulation and support the development of ovarian structures by influencing hormone release in the brain and ovaries.

  • β-NGF triggers ovulation in camelids.
  • It promotes the development of functional ovarian structures.
  • β-NGF influences hormone release in both the hypothalamus and ovaries.
PubMed

Nerve growth factor (NGF) and NGF receptors in mesenchymal stem/stromal cells: Impact on potential therapies.

Review

Stem cells translational medicine · 2021

Researchers observed that nerve growth factor (NGF) and its receptors play important roles in the function of mesenchymal stem/stromal cells (MSCs), which are being explored for treating injuries and degenerative diseases. They found that NGF influences MSC survival, growth, and development, suggesting that understanding these interactions could improve MSC-based therapies.

  • NGF significantly impacts the survival and growth of MSCs.
  • The receptor TrkA is primarily responsible for NGF's regulatory effects on MSCs.
  • p75NTR is identified as a new surface marker for MSCs.
PubMed

Nerve Growth Factor Compromise in Down Syndrome.

Review

Frontiers in aging neuroscience · 2021

Researchers observed that nerve growth factor (NGF), which supports brain function, is disrupted in individuals with Down syndrome as they develop Alzheimer's disease. This disruption is similar to what is seen in Alzheimer's patients, indicating potential biomarkers that could help track the disease's progression in those with Down syndrome.

  • NGF dysmetabolism is present in Down syndrome and Alzheimer's disease.
  • Atrophy of the basal forebrain cholinergic system is linked to NGF disruption.
  • Potential biomarkers related to NGF may help monitor Alzheimer's progression in Down syndrome.
PubMed

Insights into nerve growth factor-β role in bovine reproduction - Review.

Review

Theriogenology · 2020

Researchers found that nerve growth factor-β (NGF), a protein in bull semen, plays a significant role in female bovine reproduction. They observed that NGF can enhance hormone production and support the formation and function of reproductive structures, potentially helping to reduce early pregnancy losses. However, NGF did not improve the quality of sperm after freezing and thawing.

  • NGF enhances hormone production and supports reproductive structure function.
  • NGF may help reduce early pregnancy losses in cattle.
  • NGF did not improve the quality of frozen-thawed sperm.
PubMed

Nerve growth factor in the psychiatric brain.

Review

Rivista di psichiatria · 2020

Researchers observed that nerve growth factor (NGF), a protein important for brain health, plays a role in various brain disorders, including Alzheimer's, depression, and schizophrenia. They discussed how changes in NGF levels are linked to these conditions and highlighted promising new therapies that target NGF.

  • NGF is part of a group of proteins called neurotrophins that support brain function.
  • Changes in NGF levels are associated with neurodegenerative and psychiatric disorders.
  • New therapies targeting NGF show promise for treating these brain conditions.
PubMed

Nerve Growth Factor and Pain Mechanisms.

Review

Annual review of neuroscience · 2017

Researchers found that blocking nerve growth factor (NGF) could be an effective treatment for pain conditions like osteoarthritis and lower back pain. However, they also observed that many questions remain about how NGF works in the body and its potential side effects when targeted for pain relief.

  • NGF antagonism shows promise as a pain relief treatment.
  • There is still much to learn about NGF's role in persistent pain.
  • Potential side effects of anti-NGF therapy need further investigation.
PubMed

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This page is for informational and research purposes only. All information is based on published scientific literature. Nothing on this page constitutes medical advice or replaces consultation with a qualified healthcare professional.