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Home Science News Cancer

How does aspirin help prevent colorectal cancer development and progression?

April 22, 2024
in Cancer
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How does aspirin help prevent colorectal cancer development and progression?
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Long-term daily use of aspirin can help to prevent the development and progression of colorectal cancer, but the mechanisms involved have been unclear. New research has revealed that aspirin may exert these protective effects by boosting certain aspects of the body’s immune response against cancer cells. The findings are published by Wiley online in CANCER, a peer-reviewed journal of the American Cancer Society.

Long-term daily use of aspirin can help to prevent the development and progression of colorectal cancer, but the mechanisms involved have been unclear. New research has revealed that aspirin may exert these protective effects by boosting certain aspects of the body’s immune response against cancer cells. The findings are published by Wiley online in CANCER, a peer-reviewed journal of the American Cancer Society.

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To investigate the effects of aspirin (a nonsteroidal anti-inflammatory drug) on colorectal cancer, investigators in Italy obtained tissue samples from 238 patients who underwent surgery for colorectal cancer in 2015–2019, 12% of whom were aspirin users. Patients were enrolled in the METACCRE section of the IMMUNOlogical microenvironment in the REctal Adenocarcinoma Treatment (IMMUNOREACT 8) multicenter observational study. The study was funded by the Associazione Italiana per la Ricerca sul Cancro (AIRC) and was mainly carried out at the University Hospital of Padova.

Compared with tissue samples from patients who did not use aspirin, samples from aspirin users showed less cancer spread to the lymph nodes and higher infiltration of immune cells into tumors. In analyses of colorectal cancer cells in the lab, exposing the cells to aspirin caused increased expression of a protein called CD80 on certain immune cells, which enhanced the capacity of the cells to alert other immune cells of the presence of tumor-associated proteins. Supporting this finding, the researchers found that in patients with rectal cancer, aspirin users had higher CD80 expression in healthy rectal tissue, suggesting a pro-immune surveillance effect of aspirin.

“Our study shows a complementary mechanism of cancer prevention or therapy with aspirin besides its classical drug mechanism involving inhibition of inflammation,” said principal investigator Marco Scarpa MD, PhD, of the University of Padova. “Aspirin is absorbed in the colon by passive diffusion to a significant degree. Its absorption is linear and depends on concentration along the bowel, and in the rectum, the concentration of orally administered aspirin can be much lower than in the rest of the colon. Thus, if we want to take advantage of its effects against colorectal cancer, we should think of how to guarantee that aspirin reaches the colorectal tract in adequate doses to be effective.” 

 

Additional information
NOTE: The information contained in this release is protected by copyright. Please include journal attribution in all coverage. A free abstract of this article will be available via the CANCER Newsroom upon online publication. For more information or to obtain a PDF of any study, please contact: Sara Henning-Stout, newsroom@wiley.com

Full Citation:
“IMMUNOREACT 7: Regular aspirin use is associated with immune surveillance activation in colorectal cancer.” Ottavia De Simoni, Melania Scarpa, Ignazio Castagliuolo, Astghik Stepanyan, Imerio Angriman, Andromachi Kotsafti, Camilla Nacci, Federico Scognamiglio, Silvia Negro, Antonella D’Angelo, Valentina Chiminazzo, Gianluca Businello, Cesare Ruffolo, Roberta Salmaso, Boris Franzato, Mario Gruppo, Pierluigi Pilati, Antonio Scapinello, Anna Pozza, Tommaso Stecca, Marco Massani, Ivana Cataldo, Stefano Brignola, Angelo Paolo Dei Tos, Carlotta Ceccon, Vincenza Guzzardo, Chiara Vignotto, Luca Facci, Isacco Maretto, Marco Agostini, Francesco Marchegiani, Giulia Becherucci, Maurizio Zizzo, Giovanni Bordignon, Roberto Merenda, Giovanni Pirozzolo, Alfonso Recordare, Giulia Pozza, Mario Godina, Isabella Mondi, Daunia Verdi, Corrado Da Lio, Licia Laurino, Luca Saadeh, Giorgio Rivella, Silvio Guerriero, Chiara Romiti, Giuseppe Portale, Chiara Cipollari, Ylenia Camilla Spolverato, Giulia Noaro, Roberto Cola, Salvatore Candioli, Laura Gavagna, Fabio Ricagna, Monica Ortenzi, Mario Guerrieri, Giovanni Tagliente, Monica Tomassi, Umberto Tedeschi, Beatrice Salmaso, Gianluca Buzzi, Dario Parini, Daniela Prando, Matteo Zuin, Francesca Bergamo, Vittorina Zagonel, Andrea Porzionato, Francesco Cavallin, Barbara Di Camillo, Loretta Di Cristoforo, Quoc Riccardo Bao, Salvatore Pucciarelli, Romeo Bardini, Gaya Spolverato, Matteo Fassan, and Marco Scarpa, on behalf of the IMMUNOREACT Study Group. CANCER; Published Online: April 22, 2024 (DOI: 10.1002/cncr.35297). 

URL Upon Publication:

Author Contacts: Carla Menaldo, of the University of Padova, at carla.menaldo@unipd.it or +39 049 8273520 Valentina Bortolami, of the Padova University Hospital; valentina.bortolami@aopd.veneto.it or +39 049 8212099

About the Journal     
CANCER is a peer-reviewed publication of the American Cancer Society integrating scientific information from worldwide sources for all oncologic specialties. The objective of CANCER is to provide an interdisciplinary forum for the exchange of information among oncologic disciplines concerned with the etiology, course, and treatment of human cancer. CANCER is published on behalf of the American Cancer Society by Wiley and can be accessed online. Follow CANCER on Twitter @JournalCancer and Instagram @ACSJournalCancer, and stay up to date with the American Cancer Society Journals on LinkedIn.

About Wiley      
Wiley is a knowledge company and a global leader in research, publishing, and knowledge solutions. Dedicated to the creation and application of knowledge, Wiley serves the world’s researchers, learners, innovators, and leaders, helping them achieve their goals and solve the world’s most important challenges. For more than two centuries, Wiley has been delivering on its timeless mission to unlock human potential. Visit us at Wiley.com. Follow us on Facebook, Twitter, LinkedIn and Instagram.



Journal

Cancer

DOI

10.1002/cncr.35297

Article Title

IMMUNOREACT 7: Regular aspirin use is associated with immune surveillance activation in colorectal cancer

Article Publication Date

22-Apr-2024

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