Search results for query: *

Forum search Google search

  1. Michael Harrop

    FMT Washed microbiota transplantation relieves atopic dermatitis via gut–skin microbiome rebalancing (Jan 2026, n=23)

    https://www.hmpgloballearningnetwork.com/site/thederm/news/washed-microbiota-transplantation-improves-disease-severity-and-microbial https://link.springer.com/article/10.1186/s12866-026-04717-1
  2. Michael Harrop

    Antibiotics The aggressive use of antibiotics could fuel mood disorders and anxiety (Dec 2025, n=175) Consistent decline of acetylcholine in microbiota-gut-brain axis mediates antibiotic-induced anxiety via regulating hippocampus microglial activation

    https://medicalxpress.com/news/2026-01-aggressive-antibiotics-fuel-mood-disorders.html https://www.nature.com/articles/s41380-025-03431-0
  3. Michael Harrop

    Early development The maternal microbiome influence on pregnancy success: breeding comparison of germ-free and conventionalized mice (Jan 2026) "We observed unexpectedly high maternal and offspring mortality in GF animals. Maternal microbiota might influence offspring health far earlier than previously recognized"

    https://www.tandfonline.com/doi/full/10.1080/19490976.2025.2609405
  4. Michael Harrop

    FMT A man with auto-brewery syndrome gets relief from faecal transplant (Jan 2026, n=22) Gut microbial ethanol metabolism contributes to auto-brewery syndrome in an observational cohort

    https://www.newscientist.com/article/2510789-man-whose-gut-made-its-own-alcohol-gets-relief-from-faecal-transplant/ https://www.nature.com/articles/s41564-025-02225-y
  5. Michael Harrop

    Other The secret to human intelligence? It might be in our gut. Your gut microbes may have helped build the human brain—and could still be shaping how it works today (Jan 2026) Primate gut microbiota induce evolutionarily salient changes in mouse neurodevelopment

    https://www.sciencedaily.com/releases/2026/01/260105165806.htm https://scitechdaily.com/your-gut-microbes-may-be-quietly-transforming-how-your-brain-works/ https://www.pnas.org/doi/10.1073/pnas.2426232122
  6. Michael Harrop

    Other Vaginal and gut microbiome dysbiosis linked to endometriosis (Dec 2025, n=22) Comprehensive Analysis of Vaginal and Gut Microbiome Alterations in Endometriosis Patients

    https://www.contemporaryobgyn.net/view/vaginal-and-gut-microbiome-dysbiosis-linked-to-endometriosis https://www.dovepress.com/comprehensive-analysis-of-vaginal-and-gut-microbiome-alterations-in-en-peer-reviewed-fulltext-article-IJWH I've contacted lots of women with endometriosis about this...
  7. Michael Harrop

    Causation A molecule produced by gut bacteria can trigger atherosclerosis (Jul 2025, n=400) Imidazole propionate is a driver and therapeutic target in atherosclerosis

    https://www.gutmicrobiotaforhealth.com/scientists-discover-that-a-gut-microbiota-molecule-causes-atherosclerosis/ https://www.nature.com/articles/s41586-025-09263-w
  8. Michael Harrop

    Other Pesticides and other common chemical pollutants are toxic to our ‘good’ gut bacteria (Nov 2025) Industrial and agricultural chemicals exhibit antimicrobial activity against human gut bacteria in vitro

    https://www.cam.ac.uk/research/news/pesticides-and-other-common-chemical-pollutants-are-toxic-to-our-good-gut-bacteria https://www.nature.com/articles/s41564-025-02182-6
  9. Michael Harrop

    Diet A common food ingredient may shape a child’s health for life (Jul 2025, mice) Maternal emulsifier consumption alters the offspring early-life microbiota and goblet cell function leading to long-lasting diseases susceptibility. Carboxymethylcellulose and polysorbate-80

    https://www.sciencedaily.com/releases/2025/12/251225080732.htm https://www.nature.com/articles/s41467-025-62397-3
  10. Michael Harrop

    Oral Super donor assessment tool for oral microbiome transplantation (Dec 2025, n=93)

    https://link.springer.com/article/10.1186/s12866-025-04630-z Paywalled.
  11. Michael Harrop

    FMT Awareness and perception of fecal microbiota transplantation in Lebanon: a cross-sectional survey among the general population, healthcare workers, physicians, and patients (Dec 2025, n=725) 31% prior awareness, 60% positive perception. Awareness & perception highest among physicians.

    https://journals.sagepub.com/doi/10.1177/17562848251399034
  12. Michael Harrop

    FMT Efficacy of oral and rectal administration of human faecal microbiota transplant (FMT) in human microbiota-associated mouse models (Dec 2025)

    https://www.nature.com/articles/s41598-025-32072-0
  13. Michael Harrop

    FMT Recipients' native bacteria determine the outcome of FMT treatment in inflammatory bowel disease (Dec 2025, n=96) "remission rates were 82.4% for CD patients and 84.4% for UC patients"

    https://www.tandfonline.com/doi/full/10.1080/19490976.2025.2600055 Those are unusually high remission rates.
  14. Michael Harrop

    Probiotics The Hype behind Probiotics (Dec 2025) Popular supplements with billions of “good” microbes really help only a few illnesses, research shows

    https://www.scientificamerican.com/article/the-hype-behind-expensive-probiotic-supplements/ Wow, misinformation: I wonder how much that was impacted by this:
  15. Michael Harrop

    FMT Case Report: Fecal microbiota transplantation via capsules ameliorated clinical outcomes in a patient with multiple sclerosis (Nov 2025)

    https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1678759/full
  16. Michael Harrop

    Testing We may finally know what a healthy gut microbiome looks like (Dec 2025, n=34,694) Gut micro-organisms associated with health, nutrition and dietary interventions

    https://www.newscientist.com/article/2508109-we-may-finally-know-what-a-healthy-gut-microbiome-looks-like/ https://www.nature.com/articles/s41586-025-09854-7 Ended with a big caveat there.
  17. Michael Harrop

    FMT Obesity-induced gut microbiota transplantation promotes the occurrence and development of hepatocellular carcinoma (Dec 2025, mice)

    https://www.tandfonline.com/doi/full/10.1080/20565623.2025.2599729
  18. Michael Harrop

    FMT The challenges and opportunities in the expanding horizons of microbiota transplant therapies (Nov 2025, editorial)

    https://www.tandfonline.com/doi/full/10.1080/19490976.2025.2559032 This is significant because it's written by Dr. Alexander Khoruts, who runs the main/only stool bank in the US. I wrote to him some months ago about his previous supposed objections to the FDA regulating FMT as a drug, and the...
  19. Michael Harrop

    Vagina Awareness of the Vaginal Microbiome and Willingness to Undergo Vaginal Microbiota Transplant (Oct 2025, n=210) "More than 50% were willing or very willing"

    https://www.jognn.org/article/S0884-2175(25)00271-0/abstract The percent of "willing" in this study is generally around 60%.
  20. Michael Harrop

    Diet Gluten sensitivity linked to gut–brain interaction, not gluten itself (Oct 2025, review) Non-coeliac gluten sensitivity

    https://medicalxpress.com/news/2025-10-gluten-sensitivity-linked-gutbrain-interaction.html https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(25)01533-8/abstract
  21. Michael Harrop

    FMT The Super-Donor Phenomenon in Fecal Microbiota Transplantation (Jan 2019, review)

    https://www.frontiersin.org/articles/10.3389/fcimb.2019.00002/full An important paper to have submitted here. Unfortunately, the authors of this review didn't bother to attempt to find a super-donor for their FMT trial...
  22. Michael Harrop

    FMT Fecal Transplant From The Rock Causes Mysterious Side Effects in Man (Oct 2025)

    https://the-peel.com/article/1723/ This doesn't seem to be a real story. See their "about" page: https://the-peel.com/about/ Their bluesky says "on the mission to deliver news before it happens".
  23. Michael Harrop

    FMT Scientists develop a way to track donor bacteria after fecal microbiota transplants (Oct 2025) Long-read metagenomics for strain tracking after faecal microbiota transplant

    https://medicalxpress.com/news/2025-10-scientists-track-donor-bacteria-fecal.html https://www.nature.com/articles/s41564-025-02164-8
  24. Michael Harrop

    FMT Shaping the future of probiotics, live biotherapeutic products, and fecal microbiota transplantation: 30 scientific recommendations from the CHINAGUT Conference (Oct 2025)

    https://onlinelibrary.wiley.com/doi/10.1002/imt2.70083 This is incredibly depressing. Not a single mention of donor quality, and they're promoting the failed & inadequate stool bank model.
  25. Michael Harrop

    FVT Effects of lyophilised faecal filtrate compared with lyophilised donor stool on Clostridioides difficile recurrence: a multicentre, randomised, double-blinded, non-inferiority trial (Sep 2025, n=138) "supporting the crucial role of live microbes in mediating clinical efficacy"

    https://www.thelancet.com/journals/langas/article/PIIS2468-1253%2825%2900190-6/abstract A previous study indicated that a sterile fecal filtrate was effective for C. diff. https://humanmicrobiome.info/fmt/#sterile-fecal-filtrate This study says otherwise.
  26. Michael Harrop

    FMT Assessing healthcare workers as potential stool donors for faecal microbiota transplantation: a cross-sectional study of antimicrobial-resistant gut bacteria and enteropathogenic microorganisms (Sep 2025, n=106) "supports the inclusion of HCWs as potential stool donors for FMT"

    https://www.journalofhospitalinfection.com/article/S0195-6701(25)00277-4/abstract Previous guidelines have recommended against using healthcare workers as donors. This study indicates otherwise.
  27. Michael Harrop

    FMT Efficacy of encapsulated fecal microbiota transplantation and FMT via rectal enema for irritable bowel syndrome: a double-blind, randomized, placebo-controlled trial (CAP-ENEMA FMT Trial) (Sep 2025, n=45) "Higher clinical response and quality of life in both FMT groups than placebo"

    https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1648944/full Standard/poor donor quality.
  28. Michael Harrop

    FMT Repeated faecal microbiota transplantation for individuals with type 1 diabetes and gastroenteropathy (Sep 2025, n=17) "Participant satisfaction was high, with 86% reporting considerable benefits"

    https://link.springer.com/article/10.1007/s00125-025-06544-x
  29. Michael Harrop

    FMT Gut microbiota characteristics and therapeutic effects of fecal microbiota transplantation in children with autism spectrum disorder in central China: a combined cross-sectional and prospective study (Sep 2025, n=25) "significant improvements to core ASD symptoms and GI comorbidities"

    https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2025.1648471/full I don't see how many donors were used. It's good that they age-matched.
  30. Michael Harrop

    Other Non-antibiotic medications leave lasting mark on gut microbiome, even years after use (Sep 2025) A hidden confounder for microbiome studies: medications used years before sample collection

    https://medicalxpress.com/news/2025-09-medications-gut-microbiome-years.html https://journals.asm.org/doi/10.1128/msystems.00541-25
  31. Michael Harrop

    Causation Gut microbial production of imidazole propionate drives Parkinson’s pathologies (Sep 2025)

    https://www.nature.com/articles/s41467-025-63473-4
  32. Michael Harrop

    FMT Fecal Microbiota Transplantation by Rectal Enema Improves Short-Term Insulin Resistance in Metabolic Syndrome: A Pilot Randomized Controlled Trial (May 2025, n=18)

    https://www.jomes.org/journal/view.html?doi=10.7570/jomes25014
  33. Michael Harrop

    Early development Establishment of the early gut microbiota in vaginally delivered infants: the influence of maternal gut microbiota outweighs vaginal microbiota (Aug 2025, 26 mother-infant pairs)

    https://journals.asm.org/doi/10.1128/spectrum.01775-25
  34. Michael Harrop

    Article Studies deliver new blow to cancer microbiome literature—and offer a way forward. Two analyses of microbial DNA in tumor samples aim to put controversy-riddled field back on track (Sep 2025, Micronoma)

    https://www.science.org/content/article/studies-deliver-new-blow-cancer-microbiome-literature-and-offer-way-forward I'm posting this because Rob Knight is a major figure in the microbiome world. Martin J. Blaser, M.D. was on their scientific advisory board...
  35. Michael Harrop

    FMT Fecal microbiota transplantation improves bile acid malabsorption in patients with inflammatory bowel disease: results of microbiota and metabolites from two cohort studies (Sept 2025)

    https://bmcmedicine.biomedcentral.com/articles/10.1186/s12916-025-04353-y I think n=106, but they're using the word "pairs" confusingly. I don't think they gave the 24 healthy controls FMT. Donors: Doesn't say how many donors were used. Results:
  36. Michael Harrop

    Antibiotics Cecal microbiome transplantation without antibiotic preconditioning standardizes murine microbiomes (Aug 2025) "We find that antibiotic preconditioning reduces efficiency for uptake of CMT-specific strains. Antibiotics introduce uncontrolled variance in the resulting microbiome composition"

    https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2025.1632210/full Another piece of evidence opposing antibiotics prior to FMT.
  37. Michael Harrop

    FMT Obese teens given healthy gut bacteria show lasting drop in diabetes risk (Aug 2025, n=55) Long-term health outcomes in adolescents with obesity treated with faecal microbiota transplantation: 4-year follow-up

    https://medicalxpress.com/news/2025-08-obese-teens-healthy-gut-bacteria.html https://www.nature.com/articles/s41467-025-62752-4 New Zealand group. This is a follow-up to their "gut bugs" study...
  38. Michael Harrop

    Causation Effects of gut microbiota on cognitive impairment in Parkinson’s disease: a comprehensive Mendelian randomization and case–control study (Aug 2025) "Our study revealed a significant causal impact of five GM genera, 10 metabolites, two metabolite ratios, and 22 immune cells"

    https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2025.1620449/full
  39. Michael Harrop

    FMT Fecal Microbiota Transplantation in Patients with Alcohol-Associated Cirrhosis: A Clinical Trial (Aug 2025, n=19) "significant reduction in hepatic encephalopathy severity"

    https://www.mdpi.com/2077-0383/14/17/5981 Donors:
  40. Michael Harrop

    FMT Colonoscopic fecal microbiota transplantation for Mild-to-Moderate Parkinson’s Disease: A randomized controlled trial (Aug 2025, n=30) "alleviates motor and non-motor symptoms"

    https://www.sciencedirect.com/science/article/pii/S0889159125003216 Donor:
Back
Top Bottom