HT-29 Cells: The Multitalented Workhorse of Colorectal Research

The HT-29 cell line was established in 1964 from a primary colorectal adenocarcinoma of a 44-year-old Caucasian woman. It is an adherent human colorectal adenocarcinoma cell line — and one of the oldest and most widely used cell lines in colorectal cancer research.

Yet HT-29 is far more than a cancer model. Its real value lies in its multiplex identity: under the right conditions, it can act as a tumor cell, a surrogate for intestinal absorptive cells, and even a stand-in for mucus-secreting goblet cells. This plasticity makes it a powerful platform for intestinal biology, drug transport, and host–microbe studies.

Core Features: More Than a Cancer Model

HT-29 is distinguished by its remarkable plasticity and differentiation capacity, which elevate it well beyond a simple tumor model.

Intestinal Epithelial Cell Properties

HT-29 expresses many intestinal epithelial markers — including keratins — and can form functional tight junctions, closely mimicking the epithelial characteristics of the gut barrier.

Mucus Secretion

This is one of HT-29's most striking features. Under specific culture conditions (for example, treatment with metronidazole or dexamethasone), HT-29 cells differentiate into goblet-like cells that secrete large amounts of mucins. This makes the line an excellent model for studying the intestinal mucus layer and goblet cell function.

Brush Border Enzyme Expression

HT-29 can express and secrete multiple intestinal brush border enzymes, including alkaline phosphatase and sucrase-isomaltase. Expression of these enzymes increases markedly once the cells reach confluence, reflecting enterocyte-like maturation.

Multilineage Differentiation Potential

Beyond goblet cells, HT-29 can display characteristics of other intestinal epithelial cell types under different induction conditions — evidence of its utility as a de facto model of intestinal stem cell behavior.

Key Research Applications

Colorectal Cancer Research

• Studying the biology, drug sensitivity, and resistance mechanisms of colorectal cancer.
• High-throughput screening of anticancer drugs such as 5-fluorouracil (5-FU) and irinotecan.

Intestinal Barrier & Absorption Studies

• Modeling intestinal absorption and transport of nutrients and drugs across the epithelial layer.

Intestinal Mucus Biology

• Serving as a goblet cell model to investigate the regulation of mucus secretion, mucin biosynthesis, and its role in gut protection and host–microbe interactions.

Host–Microbe Interactions

• Examining how pathogenic bacteria (e.g., Salmonella, enteropathogenic E. coli) invade and disrupt the intestinal epithelium.
• Assessing how probiotics strengthen intestinal barrier function.

Inflammatory Bowel Disease (IBD) Research

• Modeling epithelial damage and responses under inflammatory conditions.
• Studying the impact of pro-inflammatory cytokines such as TNF-α on barrier integrity.

Food & Nutrition Research

• Evaluating the effects of food components, nutrients, and functional factors on gut health, barrier function, and cell viability.

Facts You Should Know About HT-29

It Has a "Split Personality"

In drug transport studies, the intact HT-29 monolayer is relatively more permeable — and therefore less "tight" — than the well-known Caco-2 model. But once differentiated, it offers unique insight into how the mucus layer influences drug absorption, complementing Caco-2 data from an entirely different angle.

It Has a Large "Family"

Like Jurkat cells, decades of serial passaging have introduced subtle genetic drift among HT-29 stocks in labs worldwide, giving rise to distinct sublines that may differ slightly in growth rate and differentiation capacity.

It Helps Decode Our "Second Brain"

The gut is often called the "second brain" because of its independent nervous system. HT-29 cells are used to study interactions between intestinal epithelial cells and enteric neurons, helping researchers understand the mysterious gut–brain axis.

It Comes from a Woman

HT-29 is one of the few widely used cancer cell lines clearly documented as originating from a female patient — another notable example being the famous HeLa cells. The selfless donation of this 44-year-old woman in 1964 has powered global colorectal cancer research ever since.

Accelerate Your CRC Research with Creative Bioarray

At Creative Bioarray, we provide authenticated, high-quality HT-29 cells and comprehensive colorectal cancer research solutions to drive your discoveries from bench to bedside.

HT-29 and Derived Cell Lines

• HT-29 Parental Line — Authenticated human colorectal adenocarcinoma cells, cryopreserved at low passage. Rigorous QC: negative for HIV-1, HBV, HCV, mycoplasma, bacteria, yeast, and fungi.
• HT29/MTX (Methotrexate-Resistant) — A differentiated, mucus-secreting derivative developed by repeated MTX exposure. Ideal for mucus barrier, microbial adhesion, and drug permeability studies.
• HT29/219 — A tumorigenic subclone capable of anchorage-independent growth in agar, perfect for transformation and xenograft studies.

Comprehensive Colorectal Cancer Cell Line Portfolio

Beyond HT-29, we offer an extensive collection of well-characterized CRC models:

• HCT-15 — KRAS-mutant, 5-FU resistant; CEA-expressing xenograft model
• COLO-206F, COLO-320 HSR — MYC-amplified models for metabolic reprogramming and drug resistance studies
• SW837 — KRAS/TP53-mutant rectal adenocarcinoma model
• CL-11, CL-34, CL-40 — Primary tumor-derived lines representing diverse TNM stages and differentiation grades
• CW-2, MDST8 — CEA-positive and gene-therapy-compatible models

Supporting Services for Robust Research

• Cell Line Authentication (STR Profiling) — Verify identity, detect cross-contamination, and meet journal publication requirements.
• PDO-Based Drug Screening — Bridge the gap between 2D cell lines and in vivo models with our patient-derived organoid platform, supporting colorectal cancer drug efficacy, resistance mechanism, and personalized treatment strategy studies.
• Custom Cell Culture Media — Serum-free, chemically defined, and specialized formulations optimized for HT-29 differentiation, mucus production, and xenograft expansion.
• Cell-Based Assays — Proliferation, apoptosis, migration, cytotoxicity, and drug-resistant cell model development.

All Creative Bioarray cell products ship frozen on dry ice with full traceability documentation. Our cell services are performed in GLP- and GMP-compliant laboratories by experienced scientists.

→ Explore our HT-29 cells, CRC models, and research services