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KIT encodes a receptor tyrosine kinase that responds to stem cell factor. It participates in blood-cell development and mast-cell biology, making the exact variant and testing context especially important.

SERPINE1 makes PAI-1, a protein involved in breaking down blood clots. You may also see PAI4G used for this pathway.

VDR encodes the vitamin D receptor, which helps regulate gene activity in response to active vitamin D. A receptor variant does not by itself mean receptors are absent or that the blood vitamin D level is low.

IL6R encodes the interleukin-6 receptor. Membrane-bound and soluble receptor pathways help explain why IL-6 biology involves more than the amount of cytokine in a single blood sample.

Explore HbA1c, red blood cell turnover, hemoglobin variants, blood loss, hypoglycemia, and factors that may affect a low A1C result.

Insulin resistance starts long before high blood sugar shows up — and it often begins with deficiencies in zinc, B12, chromium, selenium, and omega-3s. Fix the deficiencies, and you can often restore

🚨 Tired? Foggy? Achy? 🚨 You might be missing something big—and your standard blood test won't catch it. 👀 We’re talking about the CMA (Cellular Micronutrient Assay)—a super-accurate test that looks inside your cells to find deficiencies in

🚨 Do you know the symptoms of a Vitamin B12 deficiency? 🧐 It’s crucial to catch them early! Here’s what to look out for: ✨ Skin Pallor and Yellowing: Your skin might appear pale or yellow due to reduced red blood cell production. 💪 Extrem

So great to educate my fellow practitioners about the TRUE cause of fibromyalgia. More and more are learning Root Cause issues, looking at the genes and the intracellular deficiencies versus only blood serum levels. This is what makes a

https://danpursermd.substack.com/p/unlocking-the-mystery-of-intracellular New Substack article on Biotin Deficiency - symptoms and causes. Like we see time and time again, blood serum levels may show normal amounts, but when you look at in

Let's talk B's Intracellular vitamin B levels are important for various cellular processes, including energy production, DNA synthesis, nerve function, and red blood cell formation. Vitamin B refers to a group of water-soluble vitamins th

Do you want to know how GREAT your cells are? Do you want to make your health AMAZING again by fixing any BAD nutrients? If so, you need intracellular micronutrient testing. Cellular micronutrient testing is an amazing blood panel that mea