Vascular Endothelial Growth Factor (VEGF)

Optimal Result: 31.01 - 86 pg/mL.

The Vascular Endothelial Growth Factor (VEGF) test measures the amount of VEGF in your blood.
VEGF is a protein that stimulates the growth of new blood vessels — a process known as angiogenesis. It’s produced by your body when tissues aren’t getting enough oxygen, helping restore blood flow and oxygen supply to those areas.


Why VEGF Matters

VEGF plays a vital role in normal body functions, including:

  • Supporting blood vessel formation after injury or exercise

  • Aiding bone formation and the creation of new blood cells

  • Maintaining healthy circulation in organs like the lungs and brain

However, too much VEGF can contribute to disease processes, particularly cancer and vascular conditions.


VEGF and Cancer

Many tumors rely on VEGF to grow. As cancer cells multiply, they release VEGF to build new blood vessels that feed them oxygen and nutrients.
High VEGF levels are often linked to faster tumor growth, metastasis (spread to other areas), and sometimes a poorer prognosis.

Because of this, several cancer therapies are designed to block VEGF activity, effectively starving tumors of their blood supply. Measuring VEGF levels can help doctors monitor how well these treatments are working.


VEGF and Other Health Conditions

VEGF doesn’t just promote vessel growth—it can also make blood vessels leakier. This can cause fluid buildup and swelling in tissues.
Examples include:

  • Brain cancers, where VEGF-induced swelling can raise intracranial pressure

  • Eye diseases such as diabetic retinopathy and age-related macular degeneration, where VEGF-driven vessel leakage can damage vision

VEGF has also been studied in neurodegenerative disorders (like Alzheimer’s and ALS), where abnormal VEGF signaling may contribute to nerve cell damage.


VEGF and POEMS Syndrome

The VEGF test is especially valuable for diagnosing and monitoring POEMS syndrome, a rare condition marked by:

  • Polyneuropathy (nerve damage)

  • Organomegaly (enlarged organs)

  • Endocrinopathy (hormonal problems)

  • Monoclonal gammopathy (abnormal antibody production)

  • Skin changes

VEGF levels are typically very elevated in POEMS syndrome, helping distinguish it from other causes of neuropathy or plasma cell disorders.
Normal VEGF levels, however, do not rule out POEMS syndrome.


Key Insights

  • Low oxygen (hypoxia) stimulates VEGF production to restore tissue oxygenation.

  • High VEGF levels may indicate tumor activity, inflammation, or POEMS syndrome.

  • Low VEGF levels have been associated with some neurological and psychiatric conditions, including depression and Alzheimer’s disease.


Summary

The VEGF test helps assess how your body regulates blood vessel growth and oxygen supply.
It’s mainly used to:

  • Evaluate or confirm POEMS syndrome

  • Monitor cancer treatment response

  • Investigate unexplained vascular or neurological symptoms


References

Melincovici CS, Bosca AB, Susman S, Marginean M, Mihu C, Istrate M, Moldovan IM, Roman AL, Mihu CM. Vascular endothelial growth factor (VEGF) - key factor in normal and pathological angiogenesis. Rom J Morphol Embryol. 2018;59(2):455-467. PMID: 30173249.

Storkebaum E, Carmeliet P. VEGF: a critical player in neurodegeneration. J Clin Invest. 2004 Jan;113(1):14-8. doi: 10.1172/JCI20682. PMID: 14702101; PMCID: PMC300888.

Mateo I, Llorca J, Infante J, Rodríguez-Rodríguez E, Fernández-Viadero C, Peña N, Berciano J, Combarros O. Low serum VEGF levels are associated with Alzheimer's disease. Acta Neurol Scand. 2007 Jul;116(1):56-8. doi: 10.1111/j.1600-0404.2006.00775.x. PMID: 17587256.

Isung, J., Aeinehband, S., Mobarrez, F. et al. Low vascular endothelial growth factor and interleukin-8 in cerebrospinal fluid of suicide attempters. Transl Psychiatry 2, e196 (2012). https://doi.org/10.1038/tp.2012.123

Isung J, Mobarrez F, Nordström P, Asberg M, Jokinen J. Low plasma vascular endothelial growth factor (VEGF) associated with completed suicide. World J Biol Psychiatry. 2012 Sep;13(6):468-73. doi: 10.3109/15622975.2011.624549. Epub 2011 Nov 18. PMID: 22098148.

Lambrechts D, Storkebaum E, Morimoto M, Del-Favero J, Desmet F, Marklund SL, Wyns S, Thijs V, Andersson J, van Marion I, Al-Chalabi A, Bornes S, Musson R, Hansen V, Beckman L, Adolfsson R, Pall HS, Prats H, Vermeire S, Rutgeerts P, Katayama S, Awata T, Leigh N, Lang-Lazdunski L, Dewerchin M, Shaw C, Moons L, Vlietinck R, Morrison KE, Robberecht W, Van Broeckhoven C, Collen D, Andersen PM, Carmeliet P. VEGF is a modifier of amyotrophic lateral sclerosis in mice and humans and protects motoneurons against ischemic death. Nat Genet. 2003 Aug;34(4):383-94. doi: 10.1038/ng1211. PMID: 12847526.

Carmeliet P, Ferreira V, Breier G, Pollefeyt S, Kieckens L, Gertsenstein M, Fahrig M, Vandenhoeck A, Harpal K, Eberhardt C, Declercq C, Pawling J, Moons L, Collen D, Risau W, Nagy A. Abnormal blood vessel development and lethality in embryos lacking a single VEGF allele. Nature. 1996 Apr 4;380(6573):435-9. doi: 10.1038/380435a0. PMID: 8602241.

What does it mean if your Vascular Endothelial Growth Factor (VEGF) result is too high?

Elevated circulating concentrations of vascular endothelial growth factor (VEGF) may be observed in a variety of disease states, especially those associated with angiogenesis. Elevated concentrations of VEGF must be interpreted within the clinical context of the patient.

What does it mean if your Vascular Endothelial Growth Factor (VEGF) result is too low?

Low VEGF (Vascular Endothelial Growth Factor): What It Means for Your Health

Low VEGF levels mean your body may be producing less of the protein responsible for building and repairing blood vessels. VEGF delivers oxygen and nutrients to vital tissues like the brain, nerves, and muscles, helping them heal and function properly. When VEGF drops too low, tissues may receive less blood flow, which can affect healing, energy, and nerve health.

What VEGF Does

VEGF is your body’s natural “construction signal” for new blood vessels — a process called angiogenesis. It ensures oxygen and nutrients reach every cell, especially in high-demand areas such as the brain, spinal cord, muscles, and eyes. Even a 50% drop in VEGF can significantly limit your ability to grow and repair blood vessels.

Why Low VEGF Matters

When VEGF levels stay low:

  • Blood flow to nerves can decline, depriving them of oxygen.

  • Nerve cells lose VEGF’s protective and regenerative effects, making them more vulnerable to damage.

  • Muscle weakness and atrophy may develop over time if motor neurons are affected.
    Research also suggests VEGF helps regulate vascular tone by influencing nitric oxide release and autonomic nerve function — meaning low VEGF might impair your body’s ability to adjust blood flow when needed.

Conditions Linked to Low VEGF

Scientific studies have connected low VEGF levels with several neurological and mood-related conditions:

  • Alzheimer’s disease: People with Alzheimer’s often have lower VEGF in blood and cerebrospinal fluid, suggesting decreased vessel repair and nutrient delivery in the brain.

  • Amyotrophic lateral sclerosis (ALS): Reduced VEGF has been linked to increased ALS risk and faster nerve degeneration. VEGF supports motor neuron survival by improving spinal cord blood flow and providing protective signals.

  • Depression and suicidality: Lower VEGF levels are more common in severe depression and among individuals with a history of suicide attempts.

  • Nerve and muscle weakness: Low VEGF may contribute to chronic oxygen shortage (ischemia) and progressive nerve damage.

  • POEMS syndrome: Unlike most conditions, VEGF is usually elevated in this rare disorder. A drop over time may indicate treatment success.

Supporting Healthy VEGF Levels

Low VEGF alone cannot diagnose any particular disease, but it can offer insight into tissue health and nerve function. If your VEGF levels are low, work with your healthcare provider to:

  • Review medications (especially anti-VEGF therapies or steroids) that may lower VEGF.

  • Assess nutrition and metabolism, including protein intake, B vitamins, and oxygen delivery.

  • Check for neurological or vascular symptoms like tingling, numbness, weakness, or brain fog.

  • Repeat the test after addressing possible causes to see if levels remain low.

Key Takeaways

  • VEGF supports healthy blood vessels, nerve protection, and tissue repair.

  • Low VEGF may be associated with neurodegenerative or mood disorders but does not confirm them on its own.

  • Improving circulation, reducing inflammation, and addressing nutrient deficiencies may help support VEGF balance naturally.

  • Always interpret VEGF results with your healthcare provider, considering symptoms and other test findings.

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