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Basophils are most often only considered as defenders against parasitic infections. Yet, their role in the body is much more extensive. Basophils are an important element of the immune system and play a big role in allergic reactions, inflammation, and autoimmune diseases.

People go to their doctor to get their basophils tested as part of a standard panel. Almost always, the results are not scrutinized, even though we know that you can be healthier and live longer when your results lie within optimal ranges. When I used to go to doctors and tried to discuss my results, they had no clue what these meant from a health perspective. All they cared about was whether they could diagnose me with some disease. If I complained a lot, then they might just brush me off as depressed so they could give me a pill.

This is why we created Lab Test Analyzer, a tool that easily lets you know which lab results you need to be concerned about, and how to bring these in the optimal range.

Our Lab Test Analyzer can help you keep your basophils in the optimum range by allowing you to keep track of your levels, identifying causes of low or high levels, and giving you evidence-based lifestyle, diet, and supplement recommendations.

Basophil Definition

Basophils are a type of white blood cells. They protect the body and help it to get rid of bacteria and parasites. Basophils also take part in allergies, asthma, and autoimmune diseases. They can be the cause of these diseases when they react too much to external or internal signals [R, R].

Basophil Functions

The innate immune system (or inborn immunity system) is an important set of mechanisms that allow the body to defend itself against harmful substances.

Basophils are a part of the innate immune system as they can quickly react to foreign organisms and substances. They become activated when they contact with foreign molecules, IgE, or some specific signals from other cells [R, R, R].

Most of the functions of basophils depend on the release of heparin and histamine at the site of inflammation. They store them in special structures called granules. When basophils become activated, they release their granules [R].

Histamine expands blood vessels and increases blood flow. Heparin is a well-known anti-clotting agent. It also helps to maintain proper blood flow by balancing clotting processes. This allows all necessary cells and substances to get to the site of inflammation from the bloodstream [R, R].

Activated basophils are also the source of the cytokines IL-3 and IL-4. These molecules enhance the activity of both basophils themselves and other immune cells, shifting the Th1 / Th2 balance towards Th2 [R, R, R, R].

Normal Range of Basophils

Basophils are the least numerous white blood cells. Their number is normally around 0 to 0.30 x 109 / L, or about 1% of your total white blood cell count [R].

You can request from your doctor to test your basophils. Conventional doctors will look at high or low basophils levels and not mention anything. Sometimes, a lab result may be in the reference range, but not actually be in the optimal range. Reference ranges are taken by essentially averaging a mostly sick or unhealthy population of people because people who go to the doctor to get blood tests are more likely to be sick. This is why basophils even in the ‘normal’ range can be unhealthy and indicate that certain processes in the body aren’t optimal. Lab Test Analyzer will let you know if your basophils are optimal and what you can do to get them there if they aren’t.

Basophil Activation Test

The basophil activation test is a blood test that assesses the degree of basophil activation caused by an allergen. It is used for diagnosing allergies to various substances, such as foods, drugs, and dust particles [R].

During the test, a specific allergen is added to whole blood, where it can activate basophils. Activated basophils have specific molecules on the membrane (CD63 or CD203c), which help to recognize them. However, there are some medications (such as omalizumab) that may interfere with the result of the test [R, R, R, R].

High Levels of Basophils and Related Diseases

An elevated level of basophils (above 0.30 x 109/L) is called basophilia. With basophilia, it may be easier for the body to provide improved protection against parasites or foreign substances. But usually, it is associated with the development of undesirable conditions, such as inflammation or allergy [R].

Additionally, in a study of 47 chronic myeloid leukemia patients, a high basophil count was associated with a worse prognosis [R].

Causes of Basophilia

1) Parasite Infection

Parasites in the human body produce a lot of substances that can provoke the immune system. Basophils play a crucial role in this type of immune response. They also help the body to react faster in the future to similar infections [R, R, R].

2) Allergic Reactions

Allergy most often involves inflammation, which is caused by activated basophils. When reacting with an allergen, basophils become activated, release their granules, and cause allergy symptoms [R].

3) Ulcerative Colitis and Crohn’s Disease

Ulcerative colitis and Crohn’s disease are different inflammatory disorders, but they share some similar traits.

While Ulcerative colitis has an allergic nature, Crohn’s disease is an autoimmune disorder. However, both of them involve inflammation, which increases basophil count [R].

4) Leukemia

Leukemia is a type of bone marrow cancer that produces blood cells. It results in high numbers of abnormal white blood cells, including basophils. Basophilia is an important marker of leukemia [R, R, R].

5) Rheumatoid Arthritis

Rheumatoid arthritis is an autoimmune disorder that causes joint inflammation. Juvenile rheumatoid arthritis usually causes increased levels of circulating basophils. However, adults with RA may have reduced level of basophils [R, R].

6) Asthma

Asthma is a serious inflammatory and allergic disease. It starts with elevated reactivity to common inhaled allergens. This disease is known for its “attacks” that cause shortness of breath and coughing [R].

Basophils play a large role in the development of asthma, but their level in the blood is usually within normal limits.

Importantly, patients with allergic asthma are sensitive to the level of basophils, and an increase indicates an impending attack [R, R].

Low Levels of Basophils and Related Conditions

A low level of basophils is known as basopenia. Basopenia itself is not dangerous to your health, but it can be associated with some diseases [R, R, R].

Basophils can go from the blood to the sites of inflammation. This migration reduces their number in the blood [R, R].

When basophils release their granules, they are no longer active. These “empty” cells are not included in basophil count during calculation [R, R].

In such cases, low levels of basophils can serve as an additional argument while making a diagnosis [R].

Causes of Basopenia

1) Urticaria (Hives)

Urticaria (or hives) is a kind of skin rash with red and raised bumps, called wheals. They are also very itchy.

This condition is usually caused by an infection or an allergic reaction [R].

Wheals are caused by active molecules, released by basophils and mast cells. Basophils migrate from the blood to urticarial wheals during disease activity, thus causing basopenia [R, R, R].

2) Lupus

Lupus (systemic lupus erythematosus) is an autoimmune disease, during which the immune system attacks healthy tissues. It causes inflammation in various parts of the body (such as joints, skin, heart, and brain) [R].

The inflammatory process in lupus forces basophil accumulation in secondary lymphatic organs, such as lymph nodes, tonsils, and spleen, thus lowering basophil levels in the blood [R, R].

3) Smoking

Smoking activates basophils and decreases the level of intact basophils. Therefore, smoking often leads to basopenia [R, R].

However, a human study with 498 participants found basophilia in smokers [R].

4) Corticosteroids

Corticosteroids decrease both the activity of basophils and their number. If you take these kinds of drugs, your basophil level can be lowered [R, R].

5) Anxious Depression

A study of 709 participants showed that during an anxious depression, people have decreased basophil levels. It may be associated with the involvement of inflammation in the development of this type of depression [R].

How to Change Your Basophil Activity

Basophils are able to influence their own count and activity. This ability allows allergies or inflammation to appear quickly enough. As such, it is better to keep your basophil activity low.

Everyone is different, and our bodies can be complex. If you want to increase or decrease your basophils, it’s best to analyze them with Lab Test Analyzer. This tool will compute, based on this and your other results, the best steps you can take that will bring you back to optimal.

Ways to Decrease Basophil Activity

1) Caffeine

Caffeine directly decreases basophil activity. There are two main pathways involved: mTOR and PKA [R, R].

2) Adrenaline

Acute stress and an increase of adrenaline (epinephrine), decrease the functional activity of basophils. Be aware that norepinephrine and chronic stress can cause quite the opposite effect [R].

3) Crocin

In a human study with 44 participants, crocin tablets (20 mg) decreased basophil count by almost 15%. Though crocin is a compound of saffron, saffron itself is quite ineffective during long-term use [R, R].

4) α-Melanocyte-Stimulating Hormone (α-MSH)

A study showed that α-MSH reduced the response of basophils to allergens. So, anything that increases α-MSH can be also used to reduce the inflammation and allergies [R].

5) Polygoni Cuspidatum Extract

In mice, the extract inhibited the SYK signal pathway, present in both mast cells and basophils. This decreased histamine release and allergic cytokine production, and thereby had anti-allergic activity. Also, in a human study with 20 participants, the extract showed anti-inflammatory properties [R, R].

6) Cortex Mori Radicis

A mouse study showed that cortex mori radicis decreased IgE and Th2 cytokine levels. Since they are important for basophil activation, it decreased inflammatory status [R].

7) Bulbine Natalensis Extract

Intake of this extract for 7 days decreased basophil level in rats. However, it may cause hardening of the arteries (atherosclerosis) [R].

What Increases Basophil Activity

You do not want to increase basophil activity since it can cause inflammation. However, here is a list of things that may increase basophil activity, but not necessarily cause basophilia.

1) Smoking

Substances and tiny particles contained in cigarette smoke can affect basophils and mast cells. This results in an increased level of activated basophils and leads to an enhanced basophil activity. However, smoking can also cause basopenia [R, R].

2) Antibiotics

Exposure to antibiotics in early life can result in higher asthma risks. There is a speculation that this is connected to improper basophil responses. However, this connection may be indirect or inconsistent [R, R, R].

3) Air Pollutants

Various human and animal studies showed that tiny particles and various substances in the polluted air increase basophil activity [R, R, R].

4) Chronic Stress

Chronic stress negatively affects the body in many ways. It increases cortisol and norepinephrine levels, which has negative consequences for the immune system. Cortisol promotes the Th2 immune system and norepinephrine elevated basophil activity [R, R, R, R].

Genes Related to Basophil Count and Activity

Basophil levels are influenced by your genes. If you’ve gotten your genes sequenced, SelfDecode can help you determine if your levels are high or low as a result of your genes, and then pinpoint what you can do about it.

If you’re sick and tired of guessing about your health, SelfDecode can help you find specific answers that conventional doctors/diagnostics may never uncover.

SNPs Affecting Basophil Count

The SNP RS4328821 in the GATA2 gene affects the basophil count directly. The protein encoded in this gene is involved in the development of blood cells. Each “A” variant increases basophil as well as eosinophil count [R].

SNPs Affecting IgE Level

There are some SNPs related to an increased IgE level. Since IgE plays a crucial role in basophil activity, an increase of the IgE level often results in heightened basophil reactivity.

  • RS6499255 in WWP2 gene, “A” variant [R]
  • RS2571391 in HLA-A gene, “C” variant [R]
  • RS4656784 in OR10J3 gene, “G” variant [R]
  • RS3130941 in HLA-C gene, “C” variant [R]
  • RS1295686 in IL-13 gene, “T” variant; it also increases the chances of asthma and atopic dermatitis [R, R, R].

Irregular Basophil Levels?

If you have not yet tested your basophil levels, I recommend that you ask your doctor for it. If you already have your blood test results and you’re not sure what to make of them, you need to check out Lab Test Analyzer. It does all the heavy lifting for you. No need to do thousands of hours of research on what to make of your various blood tests.

People don’t realize that their blood test results contain a gold mine of information that’s waiting to be unearthed. Unfortunately, not everyone has the time or the inclination to sift through dozens of research papers.

It’s super-simple, so that even if you don’t have any background in science, you will understand what your results mean, and what you can do to get them in the optimal range.

Lab Test Analyzer gives you up-to-date scientific information about your lab results. In addition, you will get both lifestyle tips and natural solutions to help you optimize your health. You can also rely on our science-based Optimal Ranges to prevent potential health issues and maximize your overall wellbeing.

All of the content is backed by science and researched by a team of PhDs, professors, and scientists.

We’re all unique, so we deserve solutions that treat us that way.

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The information on this website has not been evaluated by the Food & Drug Administration or any other medical body. We do not aim to diagnose, treat, cure or prevent any illness or disease. Information is shared for educational purposes only. You must consult your doctor before acting on any content on this website, especially if you are pregnant, nursing, taking medication, or have a medical condition.

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  • Alan Christopher Creaser,

    A quarter of a million people have “Chronic Fatigue Syndrome”/M.E./Fibromyalia (& approx 4 Million in the USA)… 🙁 I Wish Joe would hurry up & find a (Proper) Cure for them – He’d make $$Trillions!!!

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