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# A Cousin of the Artemisinin Plant Killed Colon and Breast Cancer Cells in the Dish — and Spared Normal Ones
- URL: https://www.sanarelab.science/artemisia-herba-alba-extract-colon-breast-cancer-cells-2026/
- Published: 2026-10-04T08:25:05.000Z
- Updated: 2026-10-12T12:31:12.000Z
- Description: In lab dishes, an Artemisia herba-alba extract cut viability of colon and breast cancer cells at doses that largely spared normal cells; docking pointed beyond artemisinin.
- Author: Sanare Lab
- Tags: #short-read, News, Research, Repurposed Drugs

Key Takeaway

Artemisinin — the antimalarial compound from sweet wormwood — has plant cousins being studied for cancer. In a new lab-dish study, an extract of Artemisia herba-alba killed colon and breast cancer cells at doses largely sparing normal cells. This is in vitro work (cells in dishes): no animals, no patients.

The team made a water-based (aqueous) extract from the plant's aerial parts and tested it on colon (HCT116), triple-negative breast (MDA-MB-231) and pancreatic (PANC1) cancer cell lines, plus normal human endothelial cells (the kind lining blood vessels). The strongest effect was against colon cancer cells — about 45% loss of viability at the highest concentrations — then breast (\~40%); pancreatic cells were far less affected.

Selectivity matters more: IC50 — the dose that halves living cells — was 80–100 µg/mL for the breast and colon lines, but 220–240 µg/mL for normal cells. In molecular docking (computer simulations of how a molecule fits a protein), two plant compounds — isofraxidin and liquiritigenin — bound cancer-related proteins (p53, AKT1, KRAS) more strongly than artemisinin itself.

Honest framing: a crude extract is a mixture of many compounds, and dish results often fail in animals or humans; the authors themselves call for safety studies. See [artemisinin itself studied against breast cancer spread](https://www.sanarelab.science/artemisinin-liposomes-breast-cancer-tigit-2026/) and [artemisinin nanoparticles against melanoma](https://www.sanarelab.science/artemisinin-silk-fibroin-nanoparticles-melanoma-2026/); for dosing questions, our [dosing calculator](https://www.sanarelab.science/protocol-dosing-workspace/).

## In plain words

**What happened:** Scientists soaked a desert plant related to the artemisinin herb in water, and dripped the extract onto cancer cells and normal cells growing in lab dishes.

**Why it matters:** The artemisinin family is watched in cancer research. This extract hurt colon and breast cancer cells at doses that mostly spared normal cells — like a weed killer that leaves the lawn alone. Computer tests suggest other compounds in the plant, not artemisinin, may do the job.

**How strong is the evidence:** Very early: cells in dishes only — no animals, no people. A plant extract is a chemical cocktail — nobody knows yet which ingredient acts or whether it works in the body.

**What it means for you:** Nothing changes today — this is not a treatment and not a reason to buy herbal products; concentrated plant extracts can be unsafe. Discuss artemisinin research with your oncology team.

## References

1. Al-Halaseh LK, Al-Samydai AM, Moshawih S, et al. Exploring the cytotoxic potential of Artemisia herba-alba crude extract and key phytoconstituents using in vitro assays and molecular docking insights (in vitro = cells in lab dishes). *PLoS One*. 2026 Sep 25\. [doi:10.1371/journal.pone.0359068](https://doi.org/10.1371/journal.pone.0359068?ref=sanarelab.science). [PMID: 42789608](https://pubmed.ncbi.nlm.nih.gov/42789608/?ref=sanarelab.science).

## Medical Disclaimer

This article is for informational purposes only and is not medical advice. The study was done in cells, not in animals or humans. Never start, stop or change any medication without consulting a licensed healthcare provider.