Volume 145, Issue 11 pp. 3126-3139
Research Article

Helminth-derived molecules inhibit colitis-associated colon cancer development through NF-κB and STAT3 regulation

Blanca E. Callejas

Blanca E. Callejas

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

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Mónica G. Mendoza-Rodríguez

Mónica G. Mendoza-Rodríguez

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

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Olga Villamar-Cruz

Olga Villamar-Cruz

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

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Sandy Reyes-Martínez

Sandy Reyes-Martínez

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

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Cuauhtémoc Angel Sánchez-Barrera

Cuauhtémoc Angel Sánchez-Barrera

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

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Miriam Rodríguez-Sosa

Miriam Rodríguez-Sosa

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

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Norma L. Delgado-Buenrostro

Norma L. Delgado-Buenrostro

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

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Diana Martínez-Saucedo

Diana Martínez-Saucedo

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

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Yolanda I. Chirino

Yolanda I. Chirino

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

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Sonia A. León-Cabrera

Sonia A. León-Cabrera

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

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Carlos Pérez-Plasencia

Carlos Pérez-Plasencia

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Ciudad de México, Mexico

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Felipe Vaca-Paniagua

Felipe Vaca-Paniagua

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Ciudad de México, Mexico

Laboratorio Nacional en Salud, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

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Luis E. Arias-Romero

Luis E. Arias-Romero

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

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Luis I. Terrazas

Corresponding Author

Luis I. Terrazas

Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

Laboratorio Nacional en Salud, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla, Estado de México, Mexico

Correspondence to: Luis I. Terrazas, Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tel.: +52-55-5623-1333, ext. 39773, E-mail: [email protected]Search for more papers by this author
First published: 13 August 2019
Citations: 30
Conflict of interest: The authors have no competing interests to declare.

Abstract

Inflammation is currently considered a hallmark of cancer and plays a decisive role in different stages of tumorigenesis, including initiation, promotion, progression, metastasis and resistance to antitumor therapies. Colorectal cancer is a disease widely associated with local chronic inflammation. Additionally, extrinsic factors such as infection may beneficially or detrimentally alter cancer progression. Several reports have noted the ability of various parasitic infections to modulate cancer development, favoring tumor progression in many cases and inhibiting tumorigenesis in others. The aim of our study was to determine the effects of excreted/secreted products of the helminth Taenia crassiceps (TcES) as a treatment in a murine model of colitis-associated colon cancer (CAC). Here, we found that after inducing CAC, treatment with TcES was able to reduce inflammatory cytokines such as IL-1β, TNF-α, IL-33 and IL-17 and significantly attenuate colon tumorigenesis. This effect was associated with the inhibition of signal transducer and activator of transcription 3 and nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) phosphorylation. Furthermore, we determined that TcES interfered with LPS-induced NF-κB p65 activation in human colonic epithelial cell lines in a Raf-1 proto-oncogene-dependent manner. Moreover, in three-dimensional cultures, TcES promoted reorganization of the actin cytoskeleton, altering cell morphology and forming colonospheres, features associated with a low grade of aggressiveness. Our study demonstrates a remarkable effect of helminth-derived molecules on suppressing ongoing colorectal cancer by downregulating proinflammatory and protumorigenic signaling pathways.

Abstract

What's new?

Worm infections usually cause unwanted gastrointestinal diseases, but their effects on colorectal cancer development remain unclear. Here the authors demonstrate a notable anti-tumor effect of molecules derived from Taenia crassiceps (TcES), a tapeworm found in wolves. The secreted molecules downregulated proinflammatory and protumorigenic signaling, such as that mediated by STAT3, AKT and NF-kappaB, underscoring the role of inflammation in colorectal tumorigenesis and pointing to potential therapeutic implications of helminth-derived molecules.

Data availability

The data will be made available upon reasonable request.

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