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A GUT FEELING ABOUT ENZYMES...

A GUT FEELING ABOUT ENZYMES. AUTISM ONE CONFERENCE CHICAGO, IL MAY 2008. Devin B. Houston, Ph.D. President Houston Nutraceuticals, Inc. Devin Houston: BA, BS, PhD. PhD Biochemist - enzyme research since 1981 NIH-funded researcher at UVa and SLU med schools

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A GUT FEELING ABOUT ENZYMES...

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  1. A GUT FEELING ABOUT ENZYMES... AUTISM ONE CONFERENCE CHICAGO, IL MAY 2008 Devin B. Houston, Ph.D. President Houston Nutraceuticals, Inc

  2. Devin Houston: BA, BS, PhD • PhD Biochemist - enzyme research since 1981 • NIH-funded researcher at UVa and SLU med schools • Director of Research for enzyme manufacturer • Enzyme product formulator and inventor • Started own company in 2001

  3. Why we need “digestion”...

  4. Autism can disrupt digestion... • Gut inflammation (injury) from mercury, yeast, toxins, etc. • Malabsorption syndromes • Developmental delay • Food allergies, other immune system problems

  5. Some foods are not well-tolerated in autism... • Wheat (gluten) • Dairy (casein) • Soy protein (soymorphin) • Certain carbohydrates • Polyphenolic compounds, salicylates, oxalates • Others

  6. Restoring gut health is important... • Restore “good” flora of GI tract (pre- and pro-biotics) • Reduce inflammation (“leaky gut”) caused by foods • Eliminate potential future allergens

  7. Food restriction can be helpful... • Gluten-free casein-Free diet • Specific carbohydrate diet • Low oxalate diet • Body ecology diet

  8. ...but diets may not be practical or possible. • Nutritional insufficiency? • Family lifestyles • Cost and/or availability

  9. Enzymes may be an alternative to diets... • Achieves same goal as diet: reduction of food offender • Used as alternative to or with diets • Targets only the offending food component: peptide, carb, etc. • Faster results observed • Less costly, more convenient

  10. Observed effects of enzymes: • Speech may start or improve • Better focus, eye contact and attention • Less stimming • Improvements often noted by “blinded” third-parties • Bowel movements improve • More interest in trying other foods; increased weight gain • Positive benefits noted even in those already on diet

  11. What are enzymes? Protein Substrate Active Site Enzymes keep working as long as substrate is available and conditions are favorable for enzyme function. Amino acids Protease Enzyme

  12. How do plant-based enzymes help? • Break down foods more thoroughly • Work in stomach before food moves into intestine • Prevent formation of offending peptides • Body gains more nutrition from food • Better gut function, complements pancreatic function • Some enzymes are anti-inflammatory

  13. Are enzymes safe? • Plant-based enzymes used for centuries • No record of any toxicity observed in animals or humans • FDA considers these enzymes as food additives • Safest supplements on the market

  14. Which enzyme(s) do I need? Identify Problem Behavioral GI related Constipation? Xylanase Glucanase Cellulase? Loose stools? Lactase Amylase Glucoamylase Galactosidase Protein? High Protease Peptidase Carbs? Lactase Amylase Glucoamylase Phenols? Xylanase

  15. Specific enzymes for specific problems... • DPP IV peptidase for exorphin peptides • Certain carbohydrases for firming stool • Other carbohydrases for softening stool • Some enzymes address phenols (natural food colorings, flavors, some artificial compounds) • May help anti-fungal compounds work better

  16. Exorphin peptides... • Derived from food protein: casein, gluten, soy, blood • Result from normal digestive process • Are opiates: interact with opiate receptors, induce analgesia, etc • May act differently in those with ASD compared to “normal”

  17. Exorphin peptides... • Reduction often produces observable positive effects in behavior • May be reduced through elimination diet, OR... • May be prevented by appropriate enzyme use

  18. Digestive formation of casomorphin Bovine Casein x-x-x-x-x-x-x-x x-x-x-x-x-x-x-x -tyr-pro-phe-pro-glu-pro-ile- (1) Pepsin (2) Elastase -tyr-pro-phe-pro-glu-pro-ile- Casomorphin

  19. Dipeptidyl peptidase IV (DPP IV) • Only known enzyme to degrade casomorphin • Found in the cells lining the interior GI tract • DPP IV found in fungal enzyme blends (Houston, 1999) • Very specific, but slow, enzyme

  20. DPP IV effect on casomorphin -glu-pro -ile tyr-pro -phe-pro DPP IV

  21. Casein amino acid sequence affected by DPP IV Bovine Casein tyr-pro- phe-pro- glu-pro- -x-x-x-x ile x-x-x-x- (1) Pepsin DPP IV In Stomach No casomorphin formed!

  22. Dipeptidyl peptidase IV (DPP IV) • Only known enzyme to degrade casomorphin • Found in the cells lining the interior GI tract • DPP IV found in fungal enzyme blends (Houston, 1999) • Very specific, but slow, enzyme

  23. Blocked peptide formation by multiple proteases... Bovine Casein -x-x-x-x pro-ile x-x-x-x-tyr-pro-phe- pro-glu- Protease 6.0 Protease 4.5 (1) Pepsin (2) Elastase X X tyr-pro-phe-pro-glu-pro-ile Casomorphin

  24. Enzyme dosing: • Experimentation encouraged, no toxicity, safe dosing • Try taking enzymes at beginning of meal • Base dosing on size of meal, not body weight or age • May be taken with most medications or other supplements • Effective with first dose for digestive results

  25. Reasons to try enzymes... • Results often seen faster than with diets • Inexpensive • No special medical attention or testing required • May be a better fit to family’s lifestyle

  26. Contact information - Devin Houston, PhD O: 866-757-8627 E:devin.houston@houstonni.com Web: www.houstonni.com

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