Key Studies for Autoimmune Disease Patients

Effect of Experimental Hookworm Infection on Insulin Resistance in People at Risk of Type 2 Diabetes (2023)

Research: Pierce et al., 2023 - Nature Communications / PubMed

Experimental Infection with the Hookworm, Necator americanus, Is Associated with Stable Gut Microbial Diversity in Human Volunteers with Relapsing Multiple Sclerosis (2021)

Research: Jenkins et al., 2021 - BMC Biology

The Impact of Helminth Infection on the Incidence of Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis (2020)

Research: Axelrad et al., 2020 - Aliment Pharmacol Ther / PubMed

Effect of Hookworm Treatment on Gut Microbial Diversity in Patients With Relapsing Multiple Sclerosis (2020)

Research: Jenkins et al., 2021 - BMC Biology (WIRMS microbiome)

Hookworm Treatment for Relapsing Multiple Sclerosis: A Randomized Double-Blinded Placebo-Controlled Trial (2020)

Research: Tanasescu et al., 2020 - JAMA Neurology / PubMed

Helminth Therapy for Autism Under Gut-Brain Axis Hypothesis (2019)

Research: Arroyo-Lopez, 2019 - Medical Hypotheses / PubMed

Hookworm Infection Ameliorates Experimental Colitis in a Mouse Model (2018)

Research: Eichenberger et al., 2018 - hookworm EVs prevent colitis / PMC5936971

Coeliac Disease Study to Open in Queensland Using Hookworms (2017)

Research: Brisbane Times, 2017 - news on JCU/Queensland celiac-hookworm study

Helminth Immunomodulation in Autoimmune Disease (2017)

Research: Smallwood et al., 2017 - Frontiers in Immunology

Parasite Infections in Multiple Sclerosis Modulate Immune Responses and Limit Autoimmune Damage (2014)

Research: Correale & Farez lineage / related MS-parasite review - PMC3894910

Pediatrics

Attention-Deficit/Hyperactivity Disorder and Autoimmune Diseases: A Systematic Review (2016)

Research: Nielsen et al., 2017 - JAACAP (ADHD-autoimmune nationwide study)

Maternal Hookworm Infection Modifies Risk Factors for Childhood Eczema: Results from a Birth Cohort in Uganda (2015)

Research: Mpairwe et al., 2015 - PMC4312885

Biochemical Research

The Genome of the Hookworm Necator americanus (2014)

Research: Tang et al., 2014 - Nature Genetics

Characterizing the Mucosal and Systemic Immune Responses to Experimental Human Hookworm Infection (2012)

Research: Gaze et al., 2012 - PLOS Pathogens / PMC3276555

Eosinophil-Mediated Tissue Inflammatory Responses in Helminth Infection (2009)

Research: Klion & Nutman / related eosinophil-helminth review - PMC2769221

Hookworm Larvae Produce a Family of Low Molecular Weight Anti-Oxidant Molecules Including 3-Hydroxytyrosol (1996)

Research: Brophy / Pritchard et al., 1996 - Acta Tropica

The Partial Characterization of Proteases Present in the Excretory/Secretory Products and Exsheathing Fluid of the Infective (L3) Larva of Necator americanus (1992)

Research: Kumar & Pritchard, 1992 - International Journal for Parasitology

Historical Hookworm Evidence

Intestinal Helminths as a Biomolecular Complex in Archaeological Research (2023)

Research: Philosophical Transactions B, 2023 - archaeoparasitology

A Genomic and Transcriptomic Atlas for Common Parasites of Humans and Other Mammals (2022)

Research: International Helminth Genomes Consortium / PLOS NTDs, 2022

Ancient DNA from Medieval Europe Reveals High Burden of Parasitic Infections (2022)

Research: Wang et al., 2022 - Int J Paleopathology

Epidemiological Insights from a Large-Scale Investigation of Intestinal Helminths in Medieval Europe (2020)

Research: Flammer et al., 2020 - PLOS Neglected Tropical Diseases

Vikings Suffered Massive Intestinal Worm Infestations (2016)

Research: Daily Mail, 2016 - popular coverage of Viking parasite work

DNA Typing of Ancient Parasite Eggs from Environmental Samples Identifies Human and Animal Worm Infections in Viking-Age Settlement (2015)

Research: Soe et al., 2015 - Journal of Parasitology

DNA Study: Vikings Were Plagued by Intestinal Parasites (2014)

Research: ScienceNordic, 2014 - news on Viking aDNA parasites

Research with Other Helminths

Helminth Immunomodulation in Autoimmune Disease (2017)

Research: Smallwood et al., 2017 - Frontiers in Immunology

Helminths and the Modulation of Chronic Inflammation (2017)

Research: Maizels / related helminth chronic inflammation - PMC5401880

Suppression of Inflammation by Helminths: A Role for the Gut Microbiota? (2015)

Research: Zaiss & Harris / related - PMC4528494

Helminths and Immunological Tolerance (2014)

Research: Transplantation journal, 2014 - Helminths and Immunological Tolerance

Helminths and the Modulation of Mucosal Inflammation (2010)

Research: Elliott & Weinstock lineage - PMC2816799

Disease-Specific Hookworm Research

Arthritis

Worms for Arthritis? (2008)

Research: Rocha et al., 2008 - Infect Immun / PMC (Ascaris extract arthritis)

Autism

Helminth Therapy for Autism Under Gut-Brain Axis Hypothesis (2019)

Research: Arroyo-Lopez, 2019 - Medical Hypotheses / PubMed

Cancer

The Bifacial Role of Helminths in Cancer: Involvement of Immune and Non-Immune Mechanisms (2014)

Research: Oikonomopoulou et al., 2014 - Critical Reviews in Clinical Laboratory Sciences

Eosinophil Depletion Suppresses Radiation-Induced Small Intestinal Tumorigenesis (2011)

Research: Takemura et al., 2018 - Sci Transl Med / PubMed

Helminth antigens induce apoptosis in cancer cells: Mechanisms and therapeutic potential (2020)

Research: Gong et al., 2020 - Exp Parasitol / PubMed (T. spiralis ESPs -> apoptosis)

Helminths and cancer prevention: Immunomodulatory pathways and microbiota interactions (2023)

Research: Li et al., 2023 - J Cancer Res Clin Oncol / PubMed (parasites as immunotherapy targets)

Hookworm-derived proteins inhibit epithelial-mesenchymal transition in cancer (2022)

Research: Mabey et al., 2018 - Sci Rep / PubMed (hookworm exposure & EMT markers)

Anti-proliferative effects of helminth-derived molecules on tumor cells (2021)

Research: Wang et al., 2021 - Acta Tropica / PubMed (T. spiralis ESP inhibits tumor growth)

Hookworm infections and their role in reducing cancer risk through immune regulation (2024)

Research: 2024 - Infect Agents Cancer / PubMed (helminths & antigens in cancer therapy; note: no exact "risk reduction" paper)

Celiac Disease

Coeliac Disease Study to Open in Queensland Using Hookworms (2017)

Research: Brisbane Times, 2017 - Queensland hookworm-celiac study

Experimental Hookworm Infection and Escalating Gluten Challenges Are Associated with Increased Microbial Richness in Celiac Subjects (2015)

Research: Giacomin et al., 2015 - Scientific Reports / PubMed

Hookworms: Allies Against Gluten Intolerance (2015)

Research: Croese et al., 2015 - JACI / PubMed (underlying celiac-hookworm study)

Experimental Hookworm Infection and Gluten Microchallenge Promote Tolerance in Celiac Disease (2015)

Research: Croese et al., 2015 - J Allergy Clin Immunol / PubMed

Changed Gluten Immunity in Celiac Disease by Necator americanus Provides New Insights Into Autoimmunity (2013)

Research: Croese et al., 2013 - Int J Parasitol / PubMed

Chronic Inflammation

Importance of NOD2 and NALP3 in Interleukin-1beta Generation (2009)

Research: Bodar et al., 2007/2009 - Clin Exp Immunol / PMC (NOD2 & NALP3 / IL-1beta)

Colitis

Hookworm Infection Ameliorates Experimental Colitis in a Mouse Model (2018)

Research: Eichenberger et al., 2018 - hookworm EVs prevent colitis / PMC5936971

COVID

Research Shows Intestinal Parasite Infestations Reduce COVID-19 Severity (2021)

Research: News-Medical, 2021 - coverage of parasite-COVID severity work

The Global Helminth Belt and Covid-19: The New Eosinophilic Link (2020)

Research: Qeios preprint, 2020 - Global Helminth Belt / eosinophilic link

Old Friends Meet a New Foe: A Potential Role for Immune-Priming Parasites in Mitigating COVID-19 Morbidity and Mortality (2020)

Research: Evolution, Medicine, and Public Health, 2020

Parasites and Their Protection Against COVID-19 - Ecology or Immunology? (2020)

Research: medRxiv preprint, 2020

COVID-19 Lethality in Sub-Saharan Africa and Helminth Immune Modulation (2020)

Research: Frontiers in Immunology, 2020

Helminth Co-Infection and COVID-19: An Alternate Hypothesis (2020)

Research: PLOS Neglected Tropical Diseases, 2020

The Global Helminth Belt and the New Virus: The New Eosinophilic Link (2020)

Research: Qeios preprint, 2020 - same eosinophilic-link thread

Depression and Anxiety

Cytokines in Depression and Anxiety (2016)

Research: PMC5070051, 2016 - cytokines in depression/anxiety

The Parasite Ate Your Depression? (2011)

Research: Psychology Today, 2011 - evolutionary psychiatry blog

Diarrhea

Therapeutic Helminth Infection of Macaques with Idiopathic Chronic Diarrhea Alters the Inflammatory Signature (2012)

Research: Broadhurst et al., 2012 - PLOS Pathogens

Association of HLA-DQ Gene With Bowel Transit, Barrier Function, and Inflammation in Irritable Bowel Syndrome With Diarrhea (2012)

Research: PubMed 23042942, 2012 - HLA-DQ / IBS-D

High-Risk HPV

Chronic Hookworm Infection Alters Host Mucosal Immunity and Protects Against High-Risk HPV (2018)

Research: Mabey et al., 2018 - Scientific Reports (hookworm / HPV / EMT)

Inflammatory Bowel Diseases

The Impact of Helminth Infection on the Incidence of Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis (2020)

Research: Axelrad et al., 2020 - Aliment Pharmacol Ther / PubMed

Helminths as Partners in Health: Helminth Therapy in Inflammatory Bowel Diseases (2017)

Research: PMC5671989, 2017 - helminth therapy in IBD

Malignant Disease

The Epidemiology of EBV and its Association with Malignant Disease (2008)

Research: NCBI Bookshelf / IARC, 2008 - EBV and malignancy

Metabolic Syndrome

Hookworm Infection and the Amelioration of Metabolic Syndrome (2017)

Research: Parasite Immunology, 2017 - metabolic syndrome

Multiple Sclerosis

Experimental Infection with the Hookworm, Necator americanus, Is Associated with Stable Gut Microbial Diversity in Human Volunteers with Relapsing Multiple Sclerosis (2021)

Research: Jenkins et al., 2021 - BMC Biology

Effect of Hookworm Treatment on Gut Microbial Diversity in Patients With Relapsing Multiple Sclerosis (2020)

Research: Jenkins et al., 2021 - BMC Biology (WIRMS microbiome)

Hookworm Trial Offers New Hope to MS Patients (2020)

Research: ScienceDaily, 2020 - coverage of Tanasescu JAMA Neurol trial

Hookworm Treatment for Relapsing Multiple Sclerosis: A Randomized Double-Blinded Placebo-Controlled Trial (2020)

Research: Tanasescu et al., 2020 - JAMA Neurology / PubMed

Effect of Low-Dose Intracutaneous Infection With Necator americanus on Systemic Inflammation in Multiple Sclerosis (2020)

Research: JAMA Neurology, 2020 - companion/editorial piece

Worms for Immune Regulation of Multiple Sclerosis (WIRMS) (2019)

Research: ClinicalTrials.gov NCT00671138 - WIRMS

Hookworm Infection and Multiple Sclerosis: A Case-Control Study (2017)

Research: PMC5666823, 2017 - case-control

Parasite Infections in Multiple Sclerosis Modulate Immune Responses and Limit Autoimmune Damage (2014)

Research: PMC3894910, 2014 - MS parasite immune modulation

Helminths in the Treatment of Multiple Sclerosis (2014)

Research: Current Treatment Options in Neurology, 2014

Rheumatic Diseases

Microbes, Helminths, and Rheumatic Diseases (2020)

Research: Best Practice & Research Clinical Rheumatology, 2020

Tuberculosis

Human Hookworm Infection Enhances Mycobacterial Growth Inhibition and Associates With Reduced Risk of Tuberculosis Infection (2018)

Research: PMC6302045, 2018 - hookworm / TB

Type 2 Diabetes

Effect of Experimental Hookworm Infection on Insulin Resistance in People at Risk of Type 2 Diabetes (2023)

Research: Pierce et al., 2023 - Nature Communications / PubMed

The Impact of Helminth Infections on the Incidence of Type 2 Diabetes and Related Metabolic Disorders (2016)

Research: Diabetes Research and Clinical Practice, 2016

Gut

The Effects of Helminth Infections on the Human Gut Microbiome: A Systematic Review and Meta-Analysis (2023)

Research: Frontiers in Microbiomes, 2023

How Parasitic Worms Boost Gut Health (2014)

Research: Scientific American, 2014 - helminthic approach / mucus

Hookworm Immune Regulation Can Even Control Transplant Rejections

Effectiveness of Helminth Therapy in the Prevention of Allograft Rejection: A Systematic Review of Allogeneic Transplantation (2020)

Research: Kiss et al., 2020 - Frontiers in Immunology / PubMed

General Hookworm Studies

Worms, The Elixir Of Life? Review Suggests Helminth Infections Could Curb Aging Inflammation (2022)

Research: IFLScience, 2022 - popular coverage

Helminths and Their Role in the Hygiene Hypothesis (2021)

Research: Europe PMC MED/33732461, 2021

Regulatory T Cells in Helminth Infection: Induction, Function and Therapeutic Potential (2020)

Research: Immunology, 2020 - Tregs in helminth infection

Harnessing Helminth-Driven Immunoregulation in the Search for Novel Therapeutic Modalities (2020)

Research: PLOS NTDs, 2020

Hookworm Infection May Alter the Human Microbiome for Compatibility (2018)

Research: ScienceDaily, 2018 - microbiome compatibility coverage

Regulatory Monocytes in Helminth Infections: Insights From the Modulation During Human Hookworm Infection (2017)

Research: PubMed 28390393, 2017

Stress-Induced Paralysis: A Role for Neuroinflammation (2016)

Research: PMC4774859, 2016

First Fossilized Mammal Blood Found in Amber-Encased Tick (2016)

Research: Smithsonian Magazine, 2016

Parasitic Worms May Enhance Stem Cell Production (2015)

Research: ScienceDaily, 2015

Fossilized Tick Indicates Tick-Borne Bacterial Disease Older Than Human Race (2014)

Research: Poinar, 2014 - Historical Biology (amber tick spirochetes)

Ancestor of All Placental Mammals Revealed (2013)

Research: Science news, 2013

Experimental Human Hookworm Infection: Therapeutic Potential (2012)

Research: Research and Reports in Tropical Medicine / Dove Press, 2012

Screening of Compounds Against Necator americanus: A Drug Repositioning Effort (2011)

Research: PLOS NTDs, 2011

Urine Is Not Sterile, and Neither Is the Rest of You (2014)

Research: Science News, 2014

Immune Responses in Hookworm Infections (2001)

Research: Loukas & Prociv / Clin Microbiol Rev - PMC89000

Neanderthal Influence on Autoimmunity

Comparison of Helminth Infection among the Native Populations of the Arctic and Subarctic Regions of Western Siberia and the Taiga Zones of the East European Plain and the Russian Far East (2024)

Research: ResearchGate, 2024 - Arctic/Subarctic helminth comparison

Denisovan and Neanderthal Archaic Introgression Differentially Impacted the Genetics of Complex Traits in Modern Populations (2020)

Research: bioRxiv, 2020 - archaic introgression / complex traits

The Contribution of Neanderthal Introgression to Modern Human Traits (2017)

Research: Dannemann & Kelso, 2017 - Current Biology / PubMed

The Phenotypic Legacy of Admixture between Modern Humans and Neandertals (2016)

Research: Simonti et al., 2016 - Science

The Genomic Landscape of Neanderthal Ancestry in Present-Day Humans (2014)

Research: Sankararaman et al., 2014 - Nature

Neanderthal Poop Shows Clues to Their Diet (2014)

Research: National Geographic, 2014