This test is useful for

• Functional testing for COMT and MAOA
• Identifying neurological imbalances
• Measuring response to therapy
• Risk assessment

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Endocrinology

Analysis of blood or urine hormones, neuro-biogenic amines and peptides that may affect health, metabolism, mood or behavior.

Detailed Information

Analysis of urinary neuro-biogenic amines (neurotransmitters), and their metabolites, provides a non-invasive assessment of neurotransmitter metabolism. Neurotransmitter testing may provide therapeutic opportunities that improve clinical success and patient health outcomes. A review of the current scientific literature demonstrates how urinary neuro-biogenic amine testing may be used in clinical practice: 

• Functional testing - Neuro-biogenic amine metabolism may be mediated by a variety of enzymes, including catechol-O-methyltransferase (COMT) and monoamine oxidase (MAO).  Patterns of neurotransmitters and their metabolites may provide functional information about these two important enzymes.
• Identify imbalances - research indicates that urinary neuro-biogenic amine measurements may correlate with neurological conditions such as depression and PTSD.
• Response to therapy - certain neuro-biogenic amines, such as serotonin, may be altered by the addition of neurotransmitter precursors such as 5-hydroxytryptophan (5-HTP).  These changes may be apparent in the urine.
• Risk assessment - Changes in urinary serotonin, dopamine, and glutamate levels have been suggested as biomarkers for neurobehavioral toxicology (symptoms from chemical or toxicant element environmental exposures)
• Neurotransmitters, or "biogenic amines" are secreted from pre-synaptic neurons into the synapse between nerve cells to stimulate receptors on post-synaptic neurons. The neurotransmitters are all produced from essential aromatic amino acids.  Neurotransmitter metabolism may be mediated by a variety of enzymes expressed differently throughout the body.  Circulating levels of neurotransmitters and metabolites may have distinctive sources.  Urinary levels of neuro-biogenic amines primarily reflect the activity of the peripheral and GIT enteric nervous systems.  Up to 20% of urinary neurotransmitter metabolites are estimated to originate in the CNS.   A lack of nutritional cofactors (vitamins, minerals) required for normal enzyme function may decrease enzyme function and neurotransmitter levels.  Neurotransmitter receptors and metabolic enzymes may be subject to mutations and single nucleotide polymorphisms (SNPs) that may affect receptor or enzyme function.  Normal neurotransmitter receptor function is also necessary for normal neurotransmitter activity.  Neurotransmitter levels may be influenced by diet, lifestyle and other health conditions such as: high sodium intake, age, gender, body mass index, kidney function, environmental exposures, infection and tobacco use. Urinary neuro-biogenic amines provide an overall assessment of a patient's ability to synthesize and metabolize neurotransmitters, which must occur in both the peripheral nervous system and behind the blood brain barrier (BBB).  Alterations in urinary neurotransmitter status may result from a variety of conditions including metabolic disorders, mood/behavioral disorders, environmental exposures or (rarely) the presence of certain tumors.  Evaluation of neurotransmitters may provide increased clarity about a patient's health and functional status.   Urinary neuro-biogenic amines are a non-invasive way to assess the synthesis and metabolism of neurotransmitter molecules essential for normal function.  Information gained through neurotransmitter testing may provide therapeutic opportunities that improve clinical success and patient health outcomes.  Associations between urinary neurotransmitter levels and health conditions have been documented in scientific literature and may provide valuable insight as part of a comprehensive health assessment.

Before You Start:

Please read all of the directions, and familiarize yourself with the collection procedures.

Many alterations in physiologic, pathogenic, and environmental factors can affect neurotransmitter concentrations. For 3 days before and during the collection avoid eating avocados, eggplant, tomatoes, bananas, melons, pineapple, grapefruit, plums and nuts. During the morning of collection avoid strenuous exercise, alcohol, coffee, tea, tobacco or any nictotine containing product. It is preferable to be off supplements and medications, including those that regulate allergy, mood, sleep, pain, and inflammation. Never discontinue prescription medications without first consulting your physician.

Female patients should not collect urine during a menstrual period.

More Instructions:

• Collection instructions