# Altis Biosystems: Capturing the complexity of the human gut

> Altis builds RepliGut human intestinal models from stem cells, so pharma can predict drug absorption, metabolism, and GI toxicity in people, not animals\.

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## Pages
- [Home](https://www.altisbiosystems.com/)
- [Custom](https://www.altisbiosystems.com/custom-services/)
- [Drug Transporter \& Efflux](https://www.altisbiosystems.com/drug-transporter-efflux/)
- [My account](https://www.altisbiosystems.com/my-account/)
- [Checkout](https://www.altisbiosystems.com/checkout/)

## Posts
- [Why GI Toxicity Slips Through Preclinical Screening](https://www.altisbiosystems.com/blog/gi-toxicity-preclinical-screening/)
- [Well\-to\-Well Consistency: Seeding, Confluence, and Real Signal vs Noise](https://www.altisbiosystems.com/blog/well-to-well-variability/)
- [Reproducibility in Your Hands: Why an Assay Drifts When It Moves Between Labs](https://www.altisbiosystems.com/blog/assay-transfer-reproducibility/)
- [Biological vs Technical Replicates: Powering a Gut Assay You Can Trust](https://www.altisbiosystems.com/blog/biological-vs-technical-replicates/)
- [What Lot Release Actually Means: The QC Behind a Primary\-Cell Kit](https://www.altisbiosystems.com/blog/lot-release-primary-cells/)

## Case Studies for Literature TAB
- [A Sensitive and Specific Human Primary Stem Cell\-Based In Vitro Assay for Predicting The Gastrointestinal Toxicity Risk of Therapeutic Agents](https://www.altisbiosystems.com/case-studies-for-lit/a-sensitive-and-specific-human-primary-stem-cell-based-in-vitro-assay-for-predicting-the-gastrointestinal-toxicity-risk-of-therapeutic-agents/)
- [Poster: The Development of Human Primary Culture Systems to Model](https://www.altisbiosystems.com/case-studies-for-lit/poster-the-development-of-human-primary-culture-systems-to-model/)
- [MiniReview: Modeling the Complex Human Intestinal Mucus \- Microbiome Nexus In Vitro\.  2024, March 28, Journal of Applied Microbiomics](https://www.altisbiosystems.com/case-studies-for-lit/minireview-modeling-the-complex-human-intestinal-mucus-microbiome-nexus-in-vitro-2024-march-28-journal-of-applied-microbiomics/)
- [Poster: Characterization of biological variability in a stem cell\-derived human intestinal epithelium model](https://www.altisbiosystems.com/case-studies-for-lit/poster-characterization-of-biological-variability-in-a-stem-cell-derived-human-intestinal-epithelium-model/)
- [Poster: Studying the Complex Intestinal Mucus – Microbiome Nexus Using Sterile Human Mucus Harvested from RepliGut® Planar\. ](https://www.altisbiosystems.com/case-studies-for-lit/poster-studying-the-complex-intestinal-mucus-microbiome-nexus-using-sterile-human-mucus-harvested-from-repligut-planar/)

## Events
- [MPS World Summit](https://www.altisbiosystems.com/events-ab/mps-world-summit/)
- [Northeast ADME conference](https://www.altisbiosystems.com/events-ab/northeast-adme-conference/)
- [New England DMDG Summer Symposium](https://www.altisbiosystems.com/events-ab/new-england-dmdg-summer-symposium/)
- [Applied Pharmaceutical Toxicology](https://www.altisbiosystems.com/events-ab/applied-pharmaceutical-toxicology/)
- [Great Lakes DMDG meeting](https://www.altisbiosystems.com/events-ab/great-lakes-dmdg-meeting/)

## Case Studies
- [CN\-Bio](https://www.altisbiosystems.com/case-studies/cn-bio/)
- [Altis R\&D](https://www.altisbiosystems.com/case-studies/altis-rd/)
- [Janssen R\&D](https://www.altisbiosystems.com/case-studies/janssen-rd/)
- [Janssen R\&D with UNC\-Chapel Hill](https://www.altisbiosystems.com/case-studies/janssen-rd-with-unc-chapel-hill/)

## Job Position
- [Head of HR](https://www.altisbiosystems.com/job-position/head-of-hr/)
- [Social Media Manager](https://www.altisbiosystems.com/job-position/social-media-manager/)
- [Sales Manager](https://www.altisbiosystems.com/job-position/sales-manager/)

## Literature Taxonomy
- [Inflammation](https://www.altisbiosystems.com/literature-taxonomy/inflammation/)
- [GI Toxicity](https://www.altisbiosystems.com/literature-taxonomy/gi-toxicity/)
- [Host\-Microbe](https://www.altisbiosystems.com/literature-taxonomy/host-microbe/)
- [ADME](https://www.altisbiosystems.com/literature-taxonomy/adme/)

## Group
- [Altis Team](https://www.altisbiosystems.com/group-tm/altis-team/)
- [Board of Directors](https://www.altisbiosystems.com/group-tm/board-of-directors/)
- [Board Observer](https://www.altisbiosystems.com/group-tm/board-observer/)

## Optional
- [Sitemap index](https://www.altisbiosystems.com/sitemap_index.xml)