Annals of Coloproctology

Original Article

Malignant disease,Colorectal cancer

Upregulation of prostaglandin E₂ by inducible microsomal prostaglandin E synthase-1 in colon cancer: Young Hun Kim, Kyung Jong Kim; Ann Coloproctol. 2022;38(2):153-159. Published online August 31, 2021; DOI: https://doi.org/10.3393/ac.2021.00374.0053

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Purpose
Prostaglandin E₂ (PGE₂) is known to promote carcinogenesis and cancer progression in colon cancer. Enzymes involved in the metabolism of PGE₂ include cyclooxygenase (COX)-2, microsomal prostaglandin E synthase-1 (mPGES-1), and 15-prostaglandin dehydrogenase (15-PGDH). The current study aims to determine how PGE₂ is expressed by examining patients with colorectal cancer and evaluating colon cancer cells to gain insight into changes in relevant enzymes upon induction of PGE₂.
Methods
The concentration of PGE₂ was measured in tumor tissues and adjacent normal mucosal tissues of 26 patients with colon cancer. The expression of COX-1, COX-2, mPGES-1, and 15-PGDH proteins was measured. The concentration of PGE₂ in FET colon cancer cells was measured both in the initial status and after stimulation by tumor necrosis factor (TNF)-α. The expression levels of PGE₂-related enzymes were measured as well.
Results
There was no significant difference in the average concentration of PGE₂, which was measured at 453.1 pg/mL in cancer tissues and 401.2 pg/mL in normal mucosa. Among PGE₂-related enzymes, 15-PGDH was expressed at a lower level in tumor cells than in normal mucosa. In colon cancer cells, PGE₂ was found to be upregulated upon stimulation by TNF-α, which led to strong induction of mPGES-1 without any change in the expression of COX-2 among the PGE₂-related enzymes.
Conclusion
These results demonstrated that PGE₂ can be induced by stimuli such as TNF-α, and suggest that activation of mPGES-1 is more closely related than that of COX-2 in the induction of PGE₂ on colon cancer.

Citations

Citations to this article as recorded by

5‐methyl‐2‐carboxamidepyrrole‐based novel dual mPGES‐1/sEH inhibitors as promising anticancer candidates
Ester Colarusso, Gianluigi Lauro, Marianna Potenza, Paola Galatello, Maria Luisa d'Aulisio Garigliota, Maria Grazia Ferraro, Marialuisa Piccolo, Maria Giovanna Chini, Carlo Irace, Pietro Campiglia, Robert Klaus Hoffstetter, Oliver Werz, Anna Ramunno, Gius
Archiv der Pharmazie.2025;[Epub] CrossRef
Prostaglandin E2 in the Tumor Microenvironment, a Convoluted Affair Mediated by EP Receptors 2 and 4
Ana Santiso, Akos Heinemann, Julia Kargl, Michael Gottesman
Pharmacological Reviews.2024; 76(3): 388. CrossRef
The calcium-sensing receptor modulates the prostaglandin E2 pathway in intestinal inflammation
Valeriya Gushchina, Nadja Kupper, Michael Schwarzkopf, Gitta Frisch, Karina Piatek, Cornelia Aigner, Alexandra Michel, Hemma Schueffl, Luca Iamartino, Taha Elajnaf, Teresa Manhardt, Andrea Vlasaty, Petra Heffeter, Marcella Bassetto, Enikö Kállay, Martin S
Frontiers in Pharmacology.2023;[Epub] CrossRef
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International Journal of Molecular Sciences.2023; 24(23): 16947. CrossRef
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Case Report

Benign GI diease,Benign diesease & IBD,Complication

Clostridium difficile Infection After Ileostomy Reversal: Ho Seung Kim, Jae Hyun Kang, Han-gil Kim, Young Hun Kim, Hyeonwoo Bae, Nam Kyu Kim; Ann Coloproctol. 2021;37(Suppl 1):S4-S6. Published online March 16, 2020; DOI: https://doi.org/10.3393/ac.2019.09.24

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124 Download
2 Web of Science
2 Citations

Abstract PDF

Clostridium difficile infection (CDI) after ileostomy reversal is rare, with few reports available in the available literature describing this condition. The diagnosis of CDI after ileostomy reversal is challenging because symptoms such as diarrhea observed in these patients can occur frequently after surgery. However, CDI can be fatal, so early diagnosis and prompt treatment are important. We discuss 2 patients with positive C. difficile toxin assay results on stool cultures performed after ileostomy reversal. Clinical progression differed between these patients: one patient who presented with severe CDI and shock was successfully treated following a prolonged intensive care unit stay for the management of vital signs and underwent hemodialysis, while another patient showed symptoms of mild colitis but we could not confirm whether diarrhea was associated with CDI or with the usual postoperative state. To our knowledge, these represent 2 of just a few cases reported in the literature describing CDI after ileostomy reversal.

Citations

Citations to this article as recorded by

Influence of additional prophylactic oral antibiotics during mechanical bowel preparation on surgical site infection in patients receiving colorectal surgery
Hayoung Lee, Jong Lyul Lee, Ji Sung Lee, Chan Wook Kim, Yong Sik Yoon, In Ja Park, Seok‐Byung Lim
World Journal of Surgery.2024; 48(6): 1534. CrossRef
Preventing Anastomotic Leakage, a Devastating Complication of Colorectal Surgery
Hyun Gu Lee
The Ewha Medical Journal.2023;[Epub] CrossRef

Original Article

Surgical Outcomes and Risk Factors in Patients Who Underwent Emergency Colorectal Surgery: Dai Sik Jeong, Young Hun Kim, Kyung Jong Kim; Ann Coloproctol. 2017;33(6):239-244. Published online December 31, 2017; DOI: https://doi.org/10.3393/ac.2017.33.6.239

5,137 View
108 Download
11 Web of Science
11 Citations

Abstract PDF

Purpose

Emergency colorectal surgery has high rates of complications and mortality because of incomplete bowel preparation and bacterial contamination. The authors aimed to evaluate the surgical outcomes and the risk factors for the mortality and the complication rates of patients who underwent emergency surgery to treat colorectal diseases.

Methods

This is a prospective study from January 2014 to April 2016, and the results are based on a retrospective analysis of the clinical results for patients who underwent emergency colorectal surgery at Chosun University Hospital.

Results

A total of 99 patients underwent emergency colorectal surgery during the study period. The most frequent indication of surgery was perforation (75.8%). The causes of disease were colorectal cancer (19.2%), complicated diverticulitis (21.2%), and ischemia (27.2%). There were 27 mortalities (27.3%). The major morbidity was 39.5%. Preoperative hypotension and perioperative blood transfusion were independent risk factors for both morbidity and mortality.

Conclusion

These results revealed that emergency colorectal surgeries are associated with significant morbidity and mortality. Furthermore, the independent risk factors for both morbidity and mortality in such patiients were preoperative hypotension and perioperative transfusion.

Citations

Citations to this article as recorded by

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Annals of Gastroenterological Surgery.2024; 8(3): 450. CrossRef
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Nahar A. Alselaim, Muhannad Abdulrahman Alsemari, Mesnad Alyabsi, Abrar M. Al-Mutairi
Annals of Saudi Medicine.2023; 43(6): 364. CrossRef
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H. Sh. Nazarov, Sh. К. Nazarov, N. Sh. Hasanov
Health care of Tajikistan.2022; (2): 59. CrossRef
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Fabian Grass, Basile Pache, Fabio Butti, Josep Solà, Dieter Hahnloser, Nicolas Demartines, Martin Hübner
Journal of Evaluation in Clinical Practice.2020; 26(1): 109. CrossRef
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Nobuaki Hoshino, Hideki Endo, Koya Hida, Nao Ichihara, Yoshimitsu Takahashi, Hiroshi Hasegawa, Toshimoto Kimura, Yuko Kitagawa, Yoshihiro Kakeji, Hiroaki Miyata, Takeo Nakayama, Yoshiharu Sakai
Annals of Gastroenterological Surgery.2020; 4(5): 549. CrossRef
Gestione delle complicanze infettive intra-addominali e delle peritoniti postoperatorie in chirurgia viscerale
A. Mancini, J. Abba, C. Arvieux
EMC - Tecniche Chirurgiche Addominale.2020; 26(4): 1. CrossRef
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Colonic stenting as a bridge to surgery in malignant large bowel obstruction: oncological outcomes
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