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Crohn's Disease Forum » Books, Multimedia, Research & News » Food-grade titanium dioxide exposure exacerbates tumor formation in colitis associated cancer model.


06-18-2017, 05:57 PM   #1
wildbill_52280
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Food-grade titanium dioxide exposure exacerbates tumor formation in colitis associated cancer model.

https://www.ncbi.nlm.nih.gov/pubmed/27117919

Food Chem Toxicol. 2016 Jul;93:20-31. doi: 10.1016/j.fct.2016.04.014. Epub 2016 Apr 23.

Food-grade titanium dioxide exposure exacerbates tumor formation in colitis associated cancer model.

Urrutia-Ortega IM1, Garduño-Balderas LG2, Delgado-Buenrostro NL3, Freyre-Fonseca V4, Flores-Flores JO5, González-Robles A6, Pedraza-Chaverri J7, Hernández-Pando R8, Rodríguez-Sosa M3, León-Cabrera S9, Terrazas LI3, van Loveren H10, Chirino YI11.

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Abstract

Colorectal cancer is the fourth worldwide cause of death and even if some dietary habits are consider risk factors, the contribution of food additives including foodgrade titanium dioxide (TiO2), designated as E171, has been poorly investigated. We hypothesized that oral E171 intake could have impact on the enhancement of colorectal tumor formation and we aimed to investigate if E171 administration could enhance tumor formation in a colitis associated cancer (CAC) model. BALB/c male mice were grouped as follows: a) control, b) E171, c) CAC and d) CAC + E171 group (n = 6). E171 used in this study formed agglomerates of 300 nm in water. E171 intragastric administration (5 mg/kg body weight/5 days/10 weeks) was unable to induce tumor formation but dysplastic alterations were observed in the distal colon but enhanced the tumor formation in distal colon (CAC + E171 group) measured by tumor progression markers. Some E171 particles were internalized in colonic cells of the E171 and CAC + E171 groups and both groups showed a decrease in goblet cells in the distal colon. However the CAC + E171 group showed a higher decrease of these cells that act as protection barrier in colon. These results suggest that E171 could worsen pre-existent intestinal diseases.
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06-23-2017, 12:59 AM   #2
Lady Organic
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Interesting. Thats not complicated for me; I refuse to ingest any food additives. May research please continue this way to bring societal awareness and change.
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07-19-2017, 12:41 PM   #3
wildbill_52280
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July 17, 2017.

http://www.media.uzh.ch/en/Press-Rel...s-colitis.html
07-20-2017, 02:03 PM   #4
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07-20-2017, 05:49 PM   #5
wildbill_52280
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I think powdered donuts have the most, but more info in this video. This relationship between titanium dioxide and IBD inflammation is old news though. https://nutritionfacts.org/video/tit...bowel-disease/
07-22-2017, 03:29 AM   #6
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can i find here interesting surgery books ??
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