Thailand Medical Study Uncovers That Phytochemicals from Black Rice Show Promise Against Lung Cancer Spread
Nikhil Prasad Fact checked by:Thailand Medical News Team Apr 11, 2026 2 hours, 1 minute ago
Thailand Medical: A new study has uncovered compelling evidence that phytochemicals found in pigmented black rice may help slow the spread of lung cancer cells by targeting inflammation-linked pathways that drive tumor aggressiveness. The findings shine a spotlight on the potential of everyday dietary components to play a supportive role in cancer control.
Natural black rice compounds may help slow lung cancer spread by blocking inflammation-driven tumor activity
A Closer Look at Black Rice Bioactives
Researchers focused on a compound called cyanidin-3-O-glucoside (C3G), a type of anthocyanin responsible for the deep purple-black color of certain rice varieties. The team extracted a C3G-rich fraction from Kum Akha black rice and tested its effects on human lung cancer cells under inflammatory conditions.
The study was conducted by
Thailand Medical scientists from Akkhraratchakumari Veterinary College and the Centre for One Health at Walailak University, along with multiple departments at Chiang Mai University, including the Faculty of Medicine, Faculty of Agriculture, the Anticarcinogenesis and Apoptosis Research Cluster, and the Lanna Rice Research Center in Thailand.
How Inflammation Fuels Cancer Spread
Lung cancer progression is strongly influenced by chronic inflammation. In the tumor environment, immune cells release signaling molecules such as IL-6 and IL-1β, which activate pathways that enhance cancer cell movement and invasion. These processes are central to metastasis, the leading cause of cancer-related deaths.
To mimic this environment, researchers exposed lung cancer cells to inflammatory signals derived from activated immune cells. This caused the cancer cells to become more aggressive, moving faster and invading surrounding tissue more effectively.
Black Rice Extract Slows Cancer Cell Movement
When treated with the black rice extract or purified C3G, the cancer cells showed a significant reduction in movement and invasive behavior. Importantly, these effects were observed without harming the cells, indicating that the compound was not simply toxic but was actively interfering with cancer-promoting mechanisms.
The treatment reduced the activity of key enzymes such as MMP-2 and MMP-9, which help cancer cells break through surrounding tissue barriers. It also lowered levels of proteins like uPA and uPAR that are known to facilitate tumor spread.
Targeting a Critical Cancer Signaling Pathway
One of the most important discoveries was the compound’s effect on the JAK1/STAT3 signaling pathway. This pathway is commonly activated in many cancers and plays a major role in promoting tumor growth, survival, and metastasis.
The study showed that the black rice extract significantly reduced the activation of both JAK1 and STAT3 proteins. By blocking this pathway, the compound effectively disrupted the signals
that drive cancer cell invasion.
This Medical News report highlights that the compound works by interfering with inflammation-driven signaling rather than directly killing cancer cells, which may offer a safer complementary approach.
Strong Antioxidant Properties Add to Benefits
The researchers also confirmed that the black rice fraction had high antioxidant activity. It contained over 100 mg/g of anthocyanins, with C3G being the dominant compound. These antioxidants help neutralize harmful molecules that contribute to both inflammation and cancer progression.
What This Means Going Forward
While the results are promising, the study was conducted in laboratory cell models, meaning further research is needed. Future studies involving animals and humans will be necessary to confirm whether these effects translate into real-world benefits.
Conclusion
The findings suggest that compounds derived from black rice, particularly cyanidin-3-O-glucoside, may help limit the spread of lung cancer by targeting inflammation-driven pathways. By reducing key enzymes, blocking critical signaling mechanisms, and maintaining strong antioxidant activity, this natural compound demonstrates a multi-layered approach to suppressing cancer aggressiveness. Although not a replacement for conventional treatments, it could potentially serve as a valuable supportive strategy. More comprehensive studies are required to validate its effectiveness in clinical settings and to better understand how it behaves in the human body.
The study findings were published in the peer reviewed journal: Nutrients
https://www.mdpi.com/2072-6643/18/8/1198
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