CheKine™ Micro PDH Activity Assay Kit: Your Buyer's Guide for Mitochondrial Metabolism Research

The 30-Second Verdict

Pyruvate dehydrogenase (PDH) is the gatekeeper enzyme that connects glycolysis to the TCA cycle—catalyzing the conversion of pyruvate to acetyl-CoA. Abbkine's CheKine™ Micro Pyruvate Dehydrogenase (PDH) Activity Assay Kit (KTB1270) provides a simple, sensitive, and colorimetric method for PDH activity detection, validated across animal tissues, cells, and other biological samples.

Pros

✅ Gatekeeper of glucose oxidation — PDH activity reflects mitochondrial metabolic commitment

✅ Broad sample compatibility — tissues, cells, mitochondria, biological fluids

✅ Colorimetric detection — measures NADH production at 340 nm

✅ Simple protocol — streamlined workflow with detailed instructions

✅ Microscale format — minimizes precious sample consumption

✅ Validated for diverse applications — from cancer metabolism to neuroscience

Cons

❌ Requires -20°C storage for some components

❌ Not for clinical diagnosis (research use only)

❌ Requires careful sample preparation to preserve PDH activity

Who Should Buy This Kit?

Ideal for:

• Cancer researchers studying the Warburg effect and metabolic reprogramming
• Mitochondrial biologists investigating bioenergetic function
• Diabetes researchers exploring glucose oxidation defects
• Cardiovascular scientists studying cardiac energy metabolism
• Neuroscientists investigating neurodegenerative disease metabolism
• Drug discovery teams screening PDH kinase inhibitors

Skip this if:

• You lack a microplate reader with 340 nm capability
• You're working with samples that require specialized extraction methods

Why PDH Matters

PDH is the commitment step for glucose oxidation. PDH activity is inhibited by phosphorylation (via PDK) and activated by dephosphorylation (via PDP). Dysregulated PDH activity is implicated in:

• Cancer — the Warburg effect shifts metabolism away from PDH
• Diabetes — impaired glucose oxidation in insulin resistance
• Heart failure — reduced PDH activity in failing hearts
• Neurodegeneration — PDH deficiency in Alzheimer's and Parkinson's
• Mitochondrial diseases — inherited PDH deficiency

How It Works

PDH catalyzes the oxidative decarboxylation of pyruvate to acetyl-CoA, producing NADH in the process. NADH has a characteristic absorption peak at 340 nm, and PDH activity is calculated from the rate of NADH production.

Critical Tips for Success

1. Use fresh mitochondria or freshly prepared lysates—PDH activity is labile
2. Include phosphatase and protease inhibitors in extraction buffer
3. Keep samples on ice at all times
4. Avoid repeated freeze-thaw cycles
5. Consider PDH activation state—measure both total and active PDH if needed

The Bottom Line

For researchers investigating the metabolic crossroads of glycolysis and oxidative phosphorylation, KTB1270 delivers the sensitivity, reliability, and ease of use that modern metabolism research demands.

👉 Measure PDH activity with confidence. View Product