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GI Effects Comprehensive Stool Profile

The GI Microbial Assay Plus (GI-MAP)

Quantitative PCR: Innovative Stool Testing for the Integrative and Functional Medicine Practitioner

Microbiology and DNA Analysis

  1.  In the last few decades, DNA analysis has transformed the field of microbiology.
  2. The National Institutes of Health have followed suit with initiatives such as the Human Microbiome Project, which characterized the microbiome from over 15 habitats of the body in more than 200 healthy human subjects using DNA analysis.
  3. More than ever before, we are keenly aware of the health benefits or disease risks brought about by the microorganisms that inhabit the human body. Culture techniques, previously the standard, left up to 50% of bacterial species virtually invisible.
  4. When next-generation methods revolutionized this field, it allowed the identification of tremendous numbers of previously unknown organisms. Anaerobic bacteria make up a large part of the human microbiome and can be opportunistic and cause illness. Therefore, inability to cultivate these organisms left a large blind spot for clinicians when trying to diagnose the source of infection.

The Gastrointestinal Microbial Assay Plus (GI-MAP) was designed to assess a patient’s microbiome from a single stool sample, with particular attention to microbes that may be disturbing normal microbial balance and may contribute to perturbations in the gastrointestinal (GI) flora or illness. The panel is a comprehensive collection of microbial targets as well as immune and digestive markers. It screens for pathogenic bacteria, commensal bacteria, opportunistic pathogens, fungi, viruses, and parasites. It primarily uses automated DNA analysis to give integrative and functional medicine practitioners a better view into the gastrointestinal microbiome.

The GI-MAP measures pathogenic organisms that can cause hospital-acquired infections (HAI) such as C. difficile or norovirus, foodborne illness such as E.coli or Salmonella, and common causes of diarrhea such as Campylobacter or Shigella.

5. This panel measures viral causes of gastroenteritis, unavailable by other common stool tests. It measures parasites such as Cryptosporidium, Giardia, and Entamoeba histolytica. The GI-MAP analyzes Helicobacter pylori and its virulence factors. It can detect opportunistic pathogens such as Pseudomonas aeruginosa, Klebsiella pneumoniae, and Proteus mirabilus, associated with autoimmune molecular mimicry. It includes a panel of single-celled, amoebic parasites such as Blastocystis hominis, Dientamoeba fragilis, and Entamoeba coli. Worms such as Necatur americanus and Trichuris trichuria are recent additions to the GI-MAP as well as cytomegalovirus and Epstein-Barr virus. Fungal organisms include Candida, Geotrichum, Microsporidia and more. Finally, the GI-MAP measures standard markers of immunity, inflammation and digestion including calprotectin, secretory immunoglobulin A (sIgA), anti-gliadin antibody, and pancreatic elastase 1. (See the complete list of markers on the GI-MAP at the end of this article.)



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Traditional Naturopath & Functional Medicine Holistic Doctor San Diego Hi, I’m Dr Gaila and I help patient who suffer with belly pain, bloating and constipation and many other health conditions.Read more

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