Thyroglobulin antibodies are antibodies that recognize and bind to thyroglobulin, interfering with its function. Thyroglobulin is critical for thyroid hormone production, so thyroglobulin antibodies usually indicate thyroid disease.

The marker "Anti-Thyroglobulin Antibody" is serving as an essential tool in assessing autoimmune thyroid disorders, such as Hashimoto's thyroiditis and Graves' disease.

Thyroglobulin itself is a protein produced by the thyroid gland, playing a pivotal role in the synthesis of thyroid hormones. However, in certain autoimmune conditions, the body's immune system mistakenly identifies thyroglobulin as a foreign substance, leading to the production of anti-thyroglobulin antibodies. The presence and concentration of these antibodies can be indicative of an underlying autoimmune thyroid condition.

What if results are borderline elevated?

When Anti-Thyroglobulin Antibody levels are borderline elevated, it suggests a potential, mild autoimmune reaction against the thyroid gland, but interpretation depends on the overall clinical picture. Healthcare providers typically recommend a combination of symptom evaluation, further thyroid function tests, and periodic monitoring of antibody levels to detect any changes over time. The presence of risk factors such as a family history of autoimmune diseases and the patient's symptoms are also considered in assessing the likelihood of developing a thyroid disorder. In some cases, lifestyle modifications or early medical interventions may be advised to manage symptoms and support thyroid health, highlighting the importance of a proactive and informed approach to borderline results.

Associated Disease: Hashimoto’s Thyroiditis & Graves’ Disease

Sensitivity: 60-85%

Interpretation: Anti-thyroglobulin antibodies are found in 60-85% of patients with Hashimoto’s thyroiditis and 30-80% of patients with Graves’ disease.

Anti-TPO antibodies (Anti-Thyroid Peroxidase antibodies) are autoantibodies directed against thyroid peroxidase, an enzyme crucial for the production of thyroid hormones. These antibodies are a key marker in autoimmune thyroid diseases, particularly Hashimoto's thyroiditis and, to a lesser extent, Graves' disease. In Hashimoto's thyroiditis, which is the most common cause of hypothyroidism, the presence of Anti-TPO antibodies signifies an immune system attack on the thyroid gland, leading to inflammation, damage, and eventually reduced thyroid function. Patients with elevated levels of Anti-TPO antibodies are at an increased risk of developing hypothyroidism, even if their thyroid function is normal at the time of testing. In Graves' disease, which is characterized by hyperthyroidism, Anti-TPO antibodies are less commonly present but can coexist with other types of thyroid autoantibodies.

ANTIBODIES ASSOCIATED WITH:
This test by itself is not diagnostic for any condition or disease

Alcoholic Liver Disease
Demyelinating Disease
Graves’ Disease
Hashimoto’s Thyroiditis
Infectious agent exposure
PANDAS / ANDAS / OCD
Rheumatoid Arthritis
Recent Onset Type 1 Diabetes Toxin Exposure

Known Cross-Reactions: Streptococcal Protein

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Function: Tubulin is a building block protein and a major component of a cell’s internal cytoskeleton, called microtubules. These structures play key roles in many cellular functions including, interaction with guanine, lateral contacts, interaction with beta and gamma phosphates of nucleotides, interaction with gamma phosphate, longitudinal contacts, backbone interactions with α and β phosphates, hydrophobic contact of conserved residues, nucleotide contacts, MAP-binding domain and acetylation site.

ANTIBODIES ASSOCIATED WITH:
This test by itself is not diagnostic for any condition or disease

Alcoholic Liver Disease
Demyelinating Disease
Graves’ Disease
Hashimoto’s Thyroiditis
Infectious agent exposure
PANDAS / ANDAS / OCD
Rheumatoid Arthritis
Recent Onset Type 1 Diabetes Toxin Exposure

Known Cross-Reactions: Streptococcal Protein

----------------------------

Function: Tubulin is a building block protein and a major component of a cell’s internal cytoskeleton, called microtubules. These structures play key roles in many cellular functions including, interaction with guanine, lateral contacts, interaction with beta and gamma phosphates of nucleotides, interaction with gamma phosphate, longitudinal contacts, backbone interactions with α and β phosphates, hydrophobic contact of conserved residues, nucleotide contacts, MAP-binding domain and acetylation site.

The Anti-U1 RNP (Ribonucleoprotein) Antibody test is a specific diagnostic tool used in the evaluation of connective tissue diseases. This test detects antibodies against the U1 RNP, a component of a small nuclear ribonucleoprotein complex involved in RNA processing. The presence of anti-U1 RNP antibodies is particularly significant in the diagnosis of mixed connective tissue disease (MCTD), a disorder that exhibits features of several connective tissue diseases like systemic lupus erythematosus, scleroderma, and polymyositis.

Voltage-gated calcium channels (VGCCs) are a group of voltage-gated ion channels found in the membrane of excitable cells such as muscle, glial cells, and neurons. They are key transducers of membrane potential changes into intracellular Ca2+ transients that initiate many physiological events. In neurons, voltage-gated Ca2+ channels initiate synaptic transmission. Anti-voltage-gated calcium channel autoantibodies are responsible for Lambert-Eaton myasthenic syndrome (LEMS), a rare autoimmune disorder of the neuromuscular junction.

Zonulin acts as the gate-keeper between the cells of the intestinal lining in order for nutrients and other essential molecules to be transported in and out of the intestine. However, when leaky gut is present, the intestinal lining is compromised allowing larger protein molecules to get into the bloodstream thereby causing an immune response.