Recent content by Michael Harrop

  1. Michael Harrop

    FMT Why some gut microbes persist after fecal transplants (Feb 2026) Temporal dynamics of gut biosynthetic gene clusters link persistent colonization and engraftment in fecal microbiota transplantation

    https://medicalxpress.com/news/2026-03-stay-stray-gut-microbes-persist.html https://www.tandfonline.com/doi/full/10.1080/19490976.2026.2634469
  2. Michael Harrop

    Phages A virus hiding inside bacteria may help explain colorectal cancer (Feb 2026, n=877) Distinct prophage infections in colorectal cancer-associated Bacteroides fragilis

    https://theconversation.com/a-virus-hiding-inside-bacteria-may-help-explain-colorectal-cancer-276695 https://www.nature.com/articles/s43856-026-01403-1
  3. Michael Harrop

    Article Top FDA Official Resigns Under Pressure (Jul 2025) After turning down several new drugs and restricting use of another, Dr. Vinay Prasad drew the ire of the right-wing influencer Laura Loomer and others

    He resigns again: https://www.nytimes.com/2026/03/06/health/fda-prasad-resigns.html
  4. Michael Harrop

    Other Sleep disruption damages gut's self-repair ability via stress signals from brain (Feb 2026) Sleep disturbance triggers aberrant activation of vagus circuitry and induces intestinal stem cell dysfunction

    https://news.uci.edu/2026/02/05/sleep-disruption-damages-guts-self-repair-ability-via-stress-signals-from-brain/ https://www.cell.com/cell-stem-cell/fulltext/S1934-5909(26)00025-1
  5. Michael Harrop

    Other Hidden biological signals in the gut point to Alzheimer’s as a whole-body disorder (Jan 2026) Gut proteome and microbiome alterations: Analysis of transverse colon samples from pathologically confirmed Alzheimer's disease patients

    https://news.asu.edu/20260116-science-and-technology-roots-alzheimers-disease-extend-beyond-brain https://alz-journals.onlinelibrary.wiley.com/doi/10.1002/alz.71021Abstract
  6. Michael Harrop

    Sources Getting lab test results for donors at FMT clinics

    List the clinics you contacted. You definitely shouldn't use any of them. Test results are a bare minimum, and are not adequate to determine safety & efficacy. So if they're not even willing to share that information, then they're definitely not willing to share the important things.
  7. Michael Harrop

    Healthcare system Incoming trump admin with RFK signals new start for FDA

    Casey Means Senate HELP hearing: https://www.help.senate.gov/hearings/nomination-of-casey-means-to-be-medical-director-in-the-regular-corps-of-the-public-health-service-and-surgeon-general-of-the-public-health-service At 50 minutes in, it's noted that she's making hundreds of thousands of...
  8. Michael Harrop

    Testing Gut health index measures microbial interactions to track disease (Feb 2026) Imbalance in gut microbial interactions as a marker of health and disease

    https://medicalxpress.com/news/2026-02-gut-health-index-microbial-interactions.html https://www.eurekalert.org/news-releases/1117082 https://www.npr.org/2026/02/27/nx-s1-5724876/scientists-find-a-new-clue-to-help-them-identify-a-healthy-gut-microbiome...
  9. Michael Harrop

    Antibiotics Antibiotic-induced gut microbiome remodeling reduces neuroinflammation in traumatic brain injury (Feb 2026, mice)

    https://neurosciencenews.com/microbiome-tbi-brain-neuroinflammation-30201/ https://www.eurekalert.org/news-releases/1117939 https://www.nature.com/articles/s42003-026-09737-1
  10. Michael Harrop

    Testing Same Poop, Different Results: At-Home Gut Health Tests Are Wildly Inconsistent (Feb 2026) Evaluating the analytical performance of direct-to-consumer gut microbiome testing services

    https://gizmodo.com/same-poop-different-results-at-home-gut-health-tests-are-wildly-inconsistent-study-finds-2000726793 https://www.scientificamerican.com/article/at-home-microbiome-tests-reveal-dramatically-different-results/...
  11. Michael Harrop

    Genetics New Study Links Gut Makeup to Celiac Disease Pathogenesis (Feb 2026, n=12,652) The HUNT study identifies host genetic factors reproducibly associated with human gut microbiota composition

    https://www.medcentral.com/gastroenterology/new-study-links-gut-makeup-to-celiac-disease-pathogenesis https://www.nature.com/articles/s41588-026-02502-4
  12. Michael Harrop

    Sources Comparing commercial FMT providers

    It's hearsay. You should encourage those people to post their full, detailed experience here.
  13. Michael Harrop

    Discussion How should we handle preprints?

    I think it's a bad idea to post preprints for the following reasons: There is more coverage and discussion when they're published. So it's better to just wait till then. They sometimes change the title when it's published, and searching titles is generally how we find previous...
  14. Michael Harrop

    Other Duplicating FMT, stool donor, and microbiome projects vs solving existing barriers

    This (and much of the rest of your post) exposes such a complete ignorance about existing/past attempts, the changed circumstances, and existing information, that I don't think you're someone worth talking to at all, about anything. What you just said is akin to someone saying they're going to...
  15. Michael Harrop

    Other Duplicating FMT, stool donor, and microbiome projects vs solving existing barriers

    The FDA's letter & stance are public: https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/warning-letters/human-microbes-672740-02092024. When I met with them, they would not answer additional questions. I have no additional information since I was unable to find...
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