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Rashid M, Rashid R, Saroya S, Deverapalli M, Brim H, Ashktorab H. Saffron as a Promising Therapy for Inflammatory Bowel Disease. Nutrients 2024; 16:2353. [PMID: 39064796 PMCID: PMC11280066 DOI: 10.3390/nu16142353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Revised: 07/15/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic inflammatory illness of the gastrointestinal tract (GI), characterized by recurrent episodes of inflammation and tissue destruction. It affects an increasing number of individuals worldwide who suffer from Crohn's disease (CD) or ulcerative colitis (UC). Despite substantial advances in understanding the underlying causes of IBD, the available treatments remain restricted and are sometimes accompanied by severe consequences. Consequently, there is an urgent need to study alternate therapeutic options. This review assesses the present drugs, identifies their limitations, and proposes the use of saffron, a natural plant with great therapeutic potential based on preclinical and clinical investigations. Saffron has gained attention for its potential therapeutic benefits in treating various ailments due to its established bioactive compounds possessing antioxidant and anti-inflammatory properties. This review covers how saffron impacts the levels of calprotectin, an inflammatory marker, for various inflammatory responses in multiple diseases including IBD. Data from clinical trials were assessed to determine the efficacy and safety of using saffron to counter inflammation in multiple diseases. Studies have shown that saffron may protect against inflammatory bowel disease (IBD) through several mechanisms by inhibiting pro-inflammatory cytokines (TNF-α, IL-1β, and IL-6), reducing oxidative stress through antioxidant effects, enhancing mucosal barrier function by upregulating tight junction proteins, and modulating the gut microbiota composition to promote beneficial bacteria while suppressing pathogenic ones; these combined actions contribute to its therapeutic potential in managing and alleviating the symptoms of IBD. This will enable future research endeavors and expedite the translation of saffron-based interventions into clinical practice as a valuable adjunctive therapy or a potential alternative to conventional treatments, thereby enhancing the quality of life for individuals suffering from inflammatory diseases including IBD.
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Affiliation(s)
| | | | | | | | | | - Hassan Ashktorab
- Department of Medicine and Cancer Center, Howard University College of Medicine, Washington, DC 20059, USA; (M.R.); (R.R.); (S.S.); (M.D.); (H.B.)
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Rao BB, Lashner B, Kowdley KV. Reviewing the Risk of Colorectal Cancer in Inflammatory Bowel Disease After Liver Transplantation for Primary Sclerosing Cholangitis. Inflamm Bowel Dis 2018; 24:269-276. [PMID: 29361103 DOI: 10.1093/ibd/izx056] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Indexed: 02/07/2023]
Abstract
The presence of concomitant primary sclerosing cholangitis (PSC) with inflammatory bowel disease (IBD) represents a distinct disease phenotype that carries a higher risk of colorectal cancer (CRC) than the average IBD patient. Given that liver transplantation (LT) is the only treatment that offers a survival benefit in PSC patients with hepatic dysfunction, management decisions in IBD patients' post-LT for PSC are frequently encountered. One such consideration is the risk of CRC in this immunosuppressed cohort. With most studies showing an increased risk of CRC post-LT in these IBD patients, a closer look at the associated risk factors of CRC and the adopted surveillance strategies in this subset of patients is warranted. Low-dose ursodeoxycholic acid has shown a potential chemopreventive effect in PSC-IBD patients pre-LT; however, a favorable effect remains to be seen in post-LT group. Also, further studies are necessary to assess the benefit of 5 aminosalicylate therapy. Annual surveillance colonoscopy in the post-LT period is recommended for PSC-IBD patients subset given their high risk for CRC.
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Affiliation(s)
- Bhavana Bhagya Rao
- Department of Gastroenterology and Hepatology, Digestive Disease Institute, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Bret Lashner
- Department of Gastroenterology and Hepatology, Digestive Disease Institute, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Kris V Kowdley
- Liver Care Network and Organ Care Research, Swedish Medical Center, Seattle, Washington
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Niess H, Camaj P, Mair R, Renner A, Zhao Y, Jäckel C, Nelson PJ, Jauch KW, Bruns CJ. Overexpression of IFN-induced protein with tetratricopeptide repeats 3 (IFIT3) in pancreatic cancer: cellular "pseudoinflammation" contributing to an aggressive phenotype. Oncotarget 2016; 6:3306-18. [PMID: 25650658 PMCID: PMC4413655 DOI: 10.18632/oncotarget.2494] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 09/16/2014] [Indexed: 12/20/2022] Open
Abstract
Inflammation contributes to important traits that cancer cells acquire during malignant progression. Gene array data recently identified upregulation of interferon-induced protein with tetratricopeptide repeats 3 (IFIT3) in aggressive pancreatic cancer cells. IFIT3 belongs to the group of interferon stimulated genes (ISG), can be induced by several cellular stress stimuli and by its tetratricopeptide repeats interacts with a multitude of cellular proteins. Upregulation of IFIT3 was confirmed in the aggressive pancreatic cancer cell line L3.6pl compared with its less aggressive cell line of origin, COLO357FG. Transgenic induction of IFIT3 expression in COLO357FG resulted in greater mass of orthotopic tumors and higher prevalence of metastases. Several important traits that mediate malignancy were altered by IFIT3: increased VEGF and IL-6 secretion, chemoresistance and decreased starvation-induced apoptosis. IFIT3 showed binding to JNK and STAT1, the latter being an important inducer of IFIT3 expression. Despite still being alterable by “classical” IFN or NFκB signaling, our findings indicate constitutive - possibly auto-regulated - upregulation of IFIT3 in L3.6pl without presence of an adequate inflammatory stimulus. The transcription factor SOX9, which is linked to regulation of hypoxia-related genes, was identified as a key mediator of upregulation of the oncogene IFIT3 and thereby sustaining a “pseudoinflammatory” cellular condition.
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Affiliation(s)
- Hanno Niess
- Department of Surgery, Medical Center of the Ludwig-Maximilians-University, Campus Grosshadern, Munich, Germany
| | - Peter Camaj
- Department of Surgery, Medical Center of the Otto-von-Guericke-University, Magdeburg, Germany
| | - Ruth Mair
- Department of Surgery, Medical Center of the Ludwig-Maximilians-University, Campus Grosshadern, Munich, Germany
| | - Andrea Renner
- Department of Surgery, Medical Center of the Ludwig-Maximilians-University, Campus Grosshadern, Munich, Germany
| | - Yue Zhao
- Department of Surgery, Medical Center of the Ludwig-Maximilians-University, Campus Grosshadern, Munich, Germany
| | - Carsten Jäckel
- Medizinische Klinik und Poliklinik IV, Campus Innenstadt, Klinikum der Universitaet Muenchen, Arbeitsgruppe Klinische Biochemie, Munich, Germany
| | - Peter J Nelson
- Medizinische Klinik und Poliklinik IV, Campus Innenstadt, Klinikum der Universitaet Muenchen, Arbeitsgruppe Klinische Biochemie, Munich, Germany
| | - Karl-Walter Jauch
- Department of Surgery, Medical Center of the Ludwig-Maximilians-University, Campus Grosshadern, Munich, Germany
| | - Christiane J Bruns
- Department of Surgery, Medical Center of the Otto-von-Guericke-University, Magdeburg, Germany
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Vieth M, Neumann H. Current issues in inflammatory bowel disease neoplasia. Histopathology 2015; 66:37-48. [PMID: 25263272 DOI: 10.1111/his.12565] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Recent histological criteria and developments in the field of endoscopic imaging have led to higher detection rates of neoplasms in ulcerative colitis. Once a lesion is detected, endoscopic resection is recommended to guide subsequent surveillance or therapy and to gain adequate material for histological diagnosis. Further management is based on the grade of neoplasia and on whether the neoplasia is categorized as sporadic or colitis-associated. Nevertheless it may sometimes be difficult to distinguish colitis-associated neoplasms from sporadic neoplasms. A better way to report this may be ultimately classified. Here, we review endoscopic and histological parameters to help to differentiate colitis-associated neoplasia from sporadic lesions and discuss pathogenesis and therapeutic options.
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Affiliation(s)
- Michael Vieth
- Institute of Pathology, Klinikum Bayreuth, Bayreuth, Germany
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Su J, Liu F, Xia M, Xu Y, Li X, Kang J, Li Y, Sun L. p62 participates in the inhibition of NF-κB signaling and apoptosis induced by sulfasalazine in human glioma U251 cells. Oncol Rep 2015; 34:235-43. [PMID: 25937318 DOI: 10.3892/or.2015.3944] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Accepted: 10/13/2014] [Indexed: 11/06/2022] Open
Abstract
Nuclear factor-κB (NF-κB) is constitutively activated in most malignant gliomas and is involved in cancer progression and drug resistance to chemotherapy. Sulfasalazine (SAS) is a classic inhibitor of NF-κB. Apoptosis and autophagy were induced by SAS accompanied by inhibition of NF-κB signaling in U251 cells. Inhibition of autophagy by 3-MA suppressed the effects of SAS on NF-κB signaling and apoptosis in U251 cells. Multifunctional scaffold protein p62 is well known as an autophagy marker protein and provides crosstalk for important signaling pathways, including NF-κB signaling. SAS-induced decrease in the p62 protein levels may be the result of degradation through autophagy. SAS induced the inhibition of NF-κB signaling and apoptosis at least partly via a p62-dependent effect in U251 cells. Collectively, our data shed light on the link between p62 and the NF-κB signaling pathway, particularly in glioma cells. The results may facilitate the design of more effective targeted therapies for the treatment of tumors in which NF-κB signaling is altered.
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Affiliation(s)
- Jing Su
- Department of Pathophysiology, Key Laboratory of Pathophysiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, P.R. China
| | - Fei Liu
- Department of Nursing, First Hospital, Jilin University, Changchun 130021, P.R. China
| | - Meihui Xia
- Department of Obstetrics, First Hospital, Jilin University, Changchun 130021, P.R. China
| | - Ye Xu
- Medical Research Laboratory, Jilin Medical College, Jilin 132013, P.R. China
| | - Xiaoning Li
- Department of Pathophysiology, Key Laboratory of Pathophysiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, P.R. China
| | - Jinsong Kang
- Department of Pathophysiology, Key Laboratory of Pathophysiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, P.R. China
| | - Yulin Li
- Department of Pathophysiology, Key Laboratory of Pathophysiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, P.R. China
| | - Liankun Sun
- Department of Pathophysiology, Key Laboratory of Pathophysiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, P.R. China
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Romberg-Camps M, Kuiper E, Schouten L, Kester A, Hesselink-van de Kruijs M, Limonard C, Bos R, Goedhard J, Hameeteman W, Wolters F, Russel M, Stockbrügger R, Dagnelie P. Mortality in inflammatory bowel disease in the Netherlands 1991-2002: results of a population-based study: the IBD South-Limburg cohort. Inflamm Bowel Dis 2010; 16:1397-410. [PMID: 20027652 DOI: 10.1002/ibd.21189] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND The aim was to evaluate overall and disease-specific mortality in a population-based inflammatory bowel disease (IBD) cohort in the Netherlands, as well as risk factors for mortality. METHODS IBD patients diagnosed between 1 January 1991 and 1 January 2003 were included. Standardized mortality ratios (SMRs) were calculated overall and with regard to causes of death, gender, as well as age, phenotype, smoking status at diagnosis, and medication use. RESULTS At the censoring date, 72 out of 1187 patients had died (21 Crohn's disease [CD], 47 ulcerative colitis [UC], and 4 indeterminate colitis [IC] patients). The SMR (95% confidence interval [CI]) was 1.1 (0.7-1.6) for CD, 0.9 (0.7-1.2) for UC and 0.7 (0.2-1.7) for IC. Disease-specific mortality risk was significantly increased for gastrointestinal (GI) causes of death both in CD (SMR 7.5, 95% CI: 2.8-16.4) and UC (SMR 3.4, 95% CI: 1.4-7.0); in CD patients, especially in patients <40 years of age at diagnosis. For UC, an increased SMR was noted in female patients and in patients <19 years and >80 years at diagnosis. In contrast, UC patients had a decreased mortality risk from cancer (SMR 0.5, 95% CI; 0.2-0.9). CONCLUSIONS In this population-based IBD study, mortality in CD, UC, and IC was comparable to the background population. The increased mortality risk for GI causes might reflect complicated disease course, with young and elderly patients at diagnosis needing intensive follow-up. Caution in interpreting the finding on mortality risk from cancer is needed as follow-up was probably to short to observe IBD-related cancers.
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Affiliation(s)
- Mariëlle Romberg-Camps
- Department of Gastroenterology and Hepatology, Maastricht University Medical Center, the Netherlands.
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Mesalamine protects against colorectal cancer in inflammatory bowel disease. Dig Dis Sci 2010; 55:1696-703. [PMID: 19705280 DOI: 10.1007/s10620-009-0942-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2009] [Accepted: 08/06/2009] [Indexed: 12/15/2022]
Abstract
BACKGROUND Individuals with inflammatory bowel disease (IBD) are at increased risk of developing colorectal cancer (CRC) compared with the general population. Previous studies show this risk is strongly associated with dysplasia, extent of disease, duration of disease, and degree of inflammation, while chemoprevention of CRC has less support. AIM Evaluate factors influencing risk of colorectal cancer development in inflammatory bowel disease patients. METHODS IBD patients with CRC were matched to controls by IBD type, age at diagnosis, sex, race, extent of disease, and disease duration. We compared body mass index, family history of IBD, family history of CRC, tobacco use, and cumulative and daily use of aminosalicylates, immunomodulators, folic acid, steroids, and nonsteroidal anti-inflammatory drugs. Statistical analysis was performed with logistic regression and receiver operating characteristic (ROC) curves. RESULTS Of 1,594 IBD patients, 30 CRC patients were identified. Of these, 18 CRC patients were matched to 30 controls. More control patients used a cumulative aminosalicylate dose of >or=4,500 g (46.6% versus 5.6%; P = 0.047), folic acid (40.0% versus 16.7%; P = 0.002), cumulative folic acid dose of >or=1,400 mg (30.0% versus 11.1%; P = 0.014), and average daily folic acid dose of >or=1 mg (30.0% versus 16.7%; P = 0.002) compared with CRC patients. Multivariate analysis showed that a cumulative aminosalicylate dose of >or=4,500 g reduced the risk of CRC by 97.6% (P = 0.047). Folic acid reduced CRC risk by 89% (P = 0.002). CONCLUSIONS Aminosalicylate and folic acid use may decrease the risk of CRC among IBD patients.
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Colorectal carcinoma and preceding fistula in Crohn's disease. J Crohns Colitis 2010; 4:189-93. [PMID: 21122504 DOI: 10.1016/j.crohns.2009.11.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2009] [Revised: 10/07/2009] [Accepted: 11/03/2009] [Indexed: 02/08/2023]
Abstract
BACKGROUND An increased risk for intestinal carcinoma is known in Crohn's disease, but there are also several reports on patients with perianal fistula and later carcinoma at this location - so to call fistula associated carcinoma. METHODS We retrospectively investigated 591 patients with CD who underwent abdominal surgery during the last 10 years (1997-2006) and found seven patients (5 male, 2 female, median age: 53 years (range 37-74)) with colorectal cancer (Dukes A-C), four of them (57%) with fistula associated CRC. These seven patients with CRC were matched 1:3 to randomly selected Crohn's patients based on age. The medical records of these 21 patients (11 with perianal fistula (52%)) were evaluated with respect to duration and pattern of intestinal involvement of CD, fistula history, intestinal surgery, perianal surgery, prior immunosuppressive and 5-ASA derivative intake. RESULTS Colorectal cancer was significantly (p=0.048) associated with longstanding anorectal fistula (median=11 years (range 0-28 years)) in the CRC group compared to the matched Crohn's patients (median=1 year (range 0-6 years)). Earlier colonic surgery seemed to protect from later malignancy (p=0.036). No significant symptoms preceded rectal carcinoma, except for new blood drainage from fistula in 2 patients. Two patients underwent ileocolonoscopy within 1 year before the diagnosis of malignancy and 2 patients underwent MRI of the pelvic region within 4 months. CONCLUSION Colorectal carcinoma is frequently associated with the presence of longstanding anorectal fistula.
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Terdiman JP, Johnson LK, Kim YS, Sleisenger MH, Gum JR, Hayes A, Weinberg VK, McQuaid KR. Chemoprevention of colonic polyps with balsalazide: an exploratory, double-blind, placebo-controlled study. Dig Dis Sci 2009; 54:2488-96. [PMID: 19757048 PMCID: PMC2762046 DOI: 10.1007/s10620-009-0966-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2009] [Accepted: 08/20/2009] [Indexed: 01/19/2023]
Abstract
BACKGROUND A number of agents, including aspirin, nonsteroidal antiinflammatory drugs, cyclooxygenase-2 inhibitors, folic acid, calcium, and vitamins, have been evaluated for their potential in chemoprevention of sporadic colorectal adenomas or cancer. Preclinical data suggest that 5-aminosalicylates also may have a chemopreventive effect. AIM To investigate chemoprevention of colonic polyps with balsalazide, a 5-aminosalicylate prodrug. METHODS In this randomized, double-blind, placebo-controlled study, adults diagnosed with small polyps in the rectosigmoid colon were treated with either balsalazide 3 g/d or placebo for 6 months. Follow-up lower endoscopy was performed, and all polyps were measured and analyzed histologically. The primary endpoint was reduction in mean size of the largest polyp per subject. RESULTS Among 241 participants screened, 86 were randomized to treatment, with 75 subjects evaluable. Balsalazide 3 g/d (n = 38) did not significantly reduce the mean size of the largest colonic polyp or the number of polyps compared with placebo (n = 37). Although not significant, post-hoc analysis revealed that total adenoma burden per subject, calculated as the sum of the volumes of all adenomas in mm3, increased by 55% in the balsalazide group compared with 95% in the placebo group. CONCLUSIONS Although balsalazide did not have significant chemopreventive effects on established colonic polyps, these results can aid in designing future prospective studies.
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Affiliation(s)
- Jonathan P. Terdiman
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA USA
| | | | - Young S. Kim
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA USA ,Department of Veterans Affairs Medical Center, San Francisco, CA USA
| | - Marvin H. Sleisenger
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA USA ,Department of Veterans Affairs Medical Center, San Francisco, CA USA
| | - James R. Gum
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA USA ,Department of Veterans Affairs Medical Center, San Francisco, CA USA
| | - Ann Hayes
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA USA ,Department of Veterans Affairs Medical Center, San Francisco, CA USA
| | - Vivian K. Weinberg
- Helen Diller Family Cancer Center Biostatistics Core, University of California, San Francisco, Box 1623, San Francisco, CA 94143 USA
| | - Kenneth R. McQuaid
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA USA ,Department of Veterans Affairs Medical Center, San Francisco, CA USA
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Kodaira C, Osawa S, Mochizuki C, Sato Y, Nishino M, Yamada T, Takayanagi Y, Takagaki K, Sugimoto K, Kanaoka S, Furuta T, Ikuma M. A case of small bowel adenocarcinoma in a patient with Crohn’s disease detected by PET/CT and double-balloon enteroscopy. World J Gastroenterol 2009; 15:1774-8. [PMID: 19360924 PMCID: PMC2668786 DOI: 10.3748/wjg.15.1774] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Small bowel adenocarcinoma (SBA) in patients with Crohn’s disease (CD) is quite rare, difficult to diagnose without surgery, and has a poor prognosis. Here, we report a 48-year-old man with SBA and a 21-year history of CD who was diagnosed by a combination of positron emission tomography/computed tomography (PET/CT) and double-balloon enteroscopy (DBE). Since the age of 27 years, the patient had been treated for ileal CD and was referred to our hospital with persistent melena. Multiple hepatic tumors were found by CT. PET/CT detected an accumulation spot in the small bowel. DBE revealed an ulcerative tumor in the ileum about 100 cm from the ileocecal valve. An endoscopic forceps biopsy specimen showed poorly differentiated adenocarcinoma. There were some longitudinal ulcer scars near the tumor, and the chronic inflammation in the small bowel appeared to be associated with the cancer development. Previous reports suggest the risk of SBA in patients with CD is higher than in the overall population. Since early diagnosis is extremely difficult in these cases, novel techniques, such as PET/CT and DBE, may be expected to help in making a preoperative diagnosis of the development of SBA in CD.
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Lakatos PL, Lakatos L. Risk for colorectal cancer in ulcerative colitis: changes, causes and management strategies. World J Gastroenterol 2008; 14:3937-47. [PMID: 18609676 PMCID: PMC2725331 DOI: 10.3748/wjg.14.3937] [Citation(s) in RCA: 305] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2008] [Revised: 04/18/2008] [Accepted: 04/25/2008] [Indexed: 02/06/2023] Open
Abstract
The risk of colorectal cancer for any patient with ulcerative colitis is known to be elevated, and is estimated to be 2% after 10 years, 8% after 20 years and 18% after 30 years of disease. Risk factors for cancer include extent and duration of ulcerative colitis, primary sclerosing cholangitis, a family history of sporadic colorectal cancer, severity of histologic bowel inflammation, and in some studies, young age at onset of colitis. In this review, the authors discuss recent epidemiological trends and causes for the observed changes. Population-based studies published within the past 5 years suggest that this risk has decreased over time, despite the low frequency of colectomies. The crude annual incidence rate of colorectal cancer in ulcerative colitis ranges from approximately 0.06% to 0.16% with a relative risk of 1.0-2.75. The exact mechanism for this change is unknown; it may partly be explained by the more widespread use of maintenance therapy and surveillance colonoscopy.
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Fang HM, Mei Q, Xu JM, Ma WJ. 5-aminosalicylic acid in combination with nimesulide inhibits proliferation of colon carcinoma cells in vitro. World J Gastroenterol 2007; 13:2872-7. [PMID: 17569127 PMCID: PMC4395643 DOI: 10.3748/wjg.v13.i20.2872] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the effects of 5-aminosalicylic acid (5-ASA) in combination with nimesulide on the proliferation of HT-29 colon carcinoma cells and its potential mechanisms.
METHODS: Inhibitory effects of drugs (5-ASA, nimesulide and their combination) on HT-29 colon carcinoma cells were investigated by thiazolyl blue tetrazolium bromide (MTT) assay. Cellular apoptosis and proliferation were detected by TUNEL assay and immunocytochemical staining, respectively.
RESULTS: Pretreatment with 5-ASA or nimesulide at the concentration of 10-1000 μmol/L inhibited proliferation of HT-29 colon carcinoma cells in a dose-dependent manner in vitro (t = 5.122, P < 0.05; t = 3.086, P < 0.05, respectively). The inhibition rate of HT-29 colon carcinoma cell proliferation was also increased when pretreated with 5-ASA (100 μmol/L) or nimesulide (100 μmol/L) for 12-96 h, which showed an obvious time-effect relationship (t = 6.149, P < 0.05; t = 4.159, P < 0.05, respectively). At the concentration of 10-500 μmol/L, the apoptotic rate of HT-29 colon carcinoma cells significantly increased (t = 18.156, P < 0.001; t = 19.983, P < 0.001, respectively), while expression of proliferating cell nuclear antigen (PCNA) was remarkably decreased (t = 6.828, P < 0.05; t = 14.024, P < 0.05, respectively). 5-ASA in combination with nimesulide suppressed the proliferation of HT-29 colon carcinoma cells more than either of these agents in a dose-dependent and time-dependent manner (t = 5.448, P < 0.05; t = 4.428, P < 0.05, respectively).
CONCLUSION: 5-ASA and nimesulide may inhibit the proliferation of HT-29 colon carcinoma cells and coadministration of these agents may have additional chemopreventive potential.
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Affiliation(s)
- Hai-Ming Fang
- Department of Gastroenterology, The First Affiliated Hospital, Anhui Medical University, Hefei 230032, Anhui Province, China
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Terdiman JP, Steinbuch M, Blumentals WA, Ullman TA, Rubin DT. 5-Aminosalicylic acid therapy and the risk of colorectal cancer among patients with inflammatory bowel disease. Inflamm Bowel Dis 2007; 13:367-71. [PMID: 17206695 DOI: 10.1002/ibd.20074] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Patients with inflammatory bowel disease (IBD) affecting the colon are at increased risk of developing colorectal cancer (CRC). Published data are conflicting about whether 5-aminosalicylic acid (5-ASA) has chemopreventive properties against IBD-related carcinogenesis. The objective of this observational study was to determine if an association between 5-ASA therapy and CRC risk exists in IBD patients. METHODS Adult patients with a new CRC diagnosis (n = 18,440) were identified from 2 large administrative claims databases. For each case, 20 control patients with no record of CRC diagnosis or bowel surgery (n = 368,800) were identified. RESULTS An IBD diagnosis was associated with a 6- to 7-fold increased risk of CRC (ulcerative colitis, crude odds ratio [OR] = 6.72, 95% CI, 5.79-7.81; Crohn's disease, crude OR = 6.60, 95% CI, 5.56-7.82). Among patients with IBD (364 CRC cases, 1172 controls), exposure to 5-ASA therapy of any dose or duration during the 12 months before CRC diagnosis was not associated with a reduced risk of CRC (OR = 0.97; 95% CI, 0.77-1.23). However, there was a trend toward a decreased risk of CRC with increasing number of mesalamine prescriptions in the previous year, though statistical significance was not achieved (trend P = 0.08). CONCLUSIONS Treating IBD patients with 5-ASA medications was not found to have a protective effect against colitis-related CRC when assessed over a short period of exposure.
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Affiliation(s)
- Jonathan P Terdiman
- University of California, San Francisco, San Francisco, California 94143-1623, USA.
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van Bodegraven AA, Mulder CJJ. Indications for 5-aminosalicylate in inflammatory bowel disease: is the body of evidence complete? World J Gastroenterol 2006; 12:6115-23. [PMID: 17036381 PMCID: PMC4088103 DOI: 10.3748/wjg.v12.i38.6115] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2005] [Revised: 11/28/2005] [Accepted: 02/20/2006] [Indexed: 02/06/2023] Open
Abstract
Mesalazine is a safe drug, although adverse events may be seen in a minority of patients. This applies also to pregnant women and children. The role of mesalazine in combination therapy to improve efficacy and concomitant drug pharmacokinetics, or in chemoprevention against inflammatory bowel disease (IBD)-related colonic carcinoma has not yet been completely elucidated. Therapeutic success of mesalazine may be optimized by a combination of high dose and low frequency of dosage to improve compliance. Therefore, due to its superior safety profile and pharmacokinetic characteristics, mesalazine is preferable to sulphasalazine. This paper reviews the literature concerning mechanisms of action, indications and off-label use, pharmacokinetic properties and formulations, therapeutic efficacy, compliance, paediatric indications, chemoprevention, and safety issues and adverse event profile of mesalazine treatment versus sulphasalazine. It also highlights these controversies in order to clarify the potential benefits of mesalazines in IBD therapy and evidence for its use.
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Affiliation(s)
- A A van Bodegraven
- Department of Gastroenterology, VU University medical centre, PO Box 7057, 1007 MB Amsterdam, The Netherlands.
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Olivier S, Robe P, Bours V. Can NF-κB be a target for novel and efficient anti-cancer agents? Biochem Pharmacol 2006; 72:1054-68. [PMID: 16973133 DOI: 10.1016/j.bcp.2006.07.023] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2006] [Revised: 07/20/2006] [Accepted: 07/24/2006] [Indexed: 12/23/2022]
Abstract
Since the discovery of the NF-kappaB transcription factor in 1986 and the cloning of the genes coding for NF-kappaB and IkappaB proteins, many studies demonstrated that this transcription factor can, in most cases, protect transformed cells from apoptosis and therefore participate in the onset or progression of many human cancers. Molecular studies demonstrated that ancient widely used drugs, known for their chemopreventive or therapeutic activities against human cancers, inhibit NF-kappaB, usually among other biological effects. It is therefore considered that the anti-cancer activities of NSAIDs (non-steroidal anti-inflammatory drugs) or glucocorticoids are probably partially related to the inhibition of NF-kappaB and new clinical trials are being initiated with old compounds such as sulfasalazine. In parallel, many companies have developed novel agents acting on the NF-kappaB pathway: some of these agents are supposed to be NF-kappaB specific (i.e. IKK inhibitors) while others have wide-range biological activities (i.e. proteasome inhibitors). Today, the most significant clinical data have been obtained with bortezomib, a proteasome inhibitor, for the treatment of multiple myeloma. This review discusses the preclinical and clinical data obtained with these various drugs and their putative future developments.
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Affiliation(s)
- Sabine Olivier
- Department of Rheumatology, Centre for Biomedical Integrative Genoproteomics, University of Liège, CHU B35, Sart-Tilman, 4000 Liège, Belgium
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Lakatos L, Mester G, Erdelyi Z, David G, Pandur T, Balogh M, Fischer S, Vargha P, Lakatos PL. Risk factors for ulcerative colitis-associated colorectal cancer in a Hungarian cohort of patients with ulcerative colitis: results of a population-based study. Inflamm Bowel Dis 2006; 12:205-11. [PMID: 16534422 DOI: 10.1097/01.mib.0000217770.21261.ce] [Citation(s) in RCA: 151] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND There is an increased risk of colorectal cancer (CRC) in ulcerative colitis (UC). The prevalence of UC-associated CRC is different in various geographic regions. The risk depends primarily on the duration and extent of disease. The aim of this study was to identify the risk factors for and the epidemiology of CRC in Hungarian patients with UC. METHODS We retrospectively evaluated the relevant epidemiological and clinical data of all patients with UC in Veszprem province in our 30-year IBD database (723 patients with UC; male/female, 380/343; non-CRC related colectomies, 3.7%). RESULTS CRC was diagnosed in 13 patients (13/8564 person-year duration) during follow-up. Age at diagnosis of CRC was at a median of 51 (range 27-70) years. Eight patients are still alive, 4 died of CRC, and 1 died of an unrelated cause. Longer disease duration, extensive colitis, primary sclerosing cholangitis, and dysplasia found in the biopsy specimen were identified as risk factors for developing CRC. The cumulative risk of developing CRC after a disease duration of 10 years was 0.6% (95% confidence interval [CI] 0.2%-1.0%); 20 years, 5.4% (95% CI 3.7%-7.1%); and 30 years, 7.5% (95% CI 4.8%-10.2%). CRC diagnosed at surveillance colonoscopy was associated with a tendency for longer survival (P = 0.08). CONCLUSIONS The cumulative risk of CRC was high in our patients with UC; however, it was lower compared with that reported in Western European and North American studies. CRC developed approximately 15 years earlier compared with sporadic CRC patients in Hungary. Longer disease duration, extensive colitis, dysplasia, and primary sclerosing cholangitis were identified as important risk factors for developing CRC.
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Affiliation(s)
- Laszlo Lakatos
- 1st Department of Medicine, Csolnoky F. County Hospital, Veszprem, Hungary
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Kronberger IE, Graziadei IW, Vogel W. Small bowel adenocarcinoma in Crohn’s disease: A case report and review of literature. World J Gastroenterol 2006; 12:1317-20. [PMID: 16534894 PMCID: PMC4124452 DOI: 10.3748/wjg.v12.i8.1317] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Small bowel adenocarcinomas are remarkable for their rarity, difficult diagnosis and poor prognosis. Here we report an unusual case of a 33-year-old patient in whom infiltrative adenocarcinoma of the small bowel was diagnosed after a 10-year history of Crohn’s disease. In most previously reported cases, detection of Crohn’s disease was subsequent to that of carcinoma of the small bowel or the patients involved had an even longer history of the disease. Our literature review suggests that the risk of small bowel adenocarcinoma is higher in patients with Crohn’s disease than in the overall population. We present details on epidemiology as well as clinical and diagnostic aspects of this rare disease entity.
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Affiliation(s)
- Irmgard E Kronberger
- Department of Gastroenterology and Hepatology, Anichstrasse 35, A-6020 Innsbruck, Austria.
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20
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Silva MA, Jambulingam PS, Mirza DF. Colorectal cancer after orthotopic liver transplantation. Crit Rev Oncol Hematol 2005; 56:147-53. [PMID: 16140543 DOI: 10.1016/j.critrevonc.2004.12.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2004] [Revised: 11/25/2004] [Accepted: 12/14/2004] [Indexed: 01/28/2023] Open
Abstract
There is an increased incidence of de novo malignancies in post-liver transplant patients, commonly associated with chronic viral infection comprising lymphoproliferative disease and skin cancers, including squamous cell carcinoma and Kaposi's sarcoma. The overall incidence of colorectal cancer however in this population seems to be no different to the age and sex matched general population. In identified high risk patients like those with primary sclerosing cholangitis (PSC) and inflammatory bowel disease (IBD), the incidence of colorectal cancer appears to be higher. In IBD, like other pre-malignant conditions, the risk of developing malignancy increases exponentially with time, raising the question of whether the apparent increase in the incidence of colorectal cancer is the result of liver transplantation and immunosuppression or due to the natural history of IBD. For these PSC recipients, pre-transplant screening with colonoscopy and post-transplant surveillance for malignant change in the large bowel is crucial. The behaviour of inflammatory bowel disease post-liver transplant is largely unpredictable despite immunosuppression. Colorectal cancer when it occurs in the post-liver transplant patient should be managed according to current guidelines, stage for stage as for the population in general coupled with reduction in immunosuppression treatment.
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Affiliation(s)
- Michael A Silva
- The Liver Unit, 3rd Floor, Nuffield House, Queen Elizabeth Hospital, University Hospital Birmingham NHS Trust, Edgbaston, Birmingham B15 2TH, UK
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Cheng Y, Desreumaux P. 5-aminosalicylic acid is an attractive candidate agent for chemoprevention of colon cancer in patients with inflammatory bowel disease. World J Gastroenterol 2005; 11:309-14. [PMID: 15637733 PMCID: PMC4205326 DOI: 10.3748/wjg.v11.i3.309] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Inflammatory bowel disease (IBD) is classically subdivided into ulcerative colitis (UC) and Crohn’s disease (CD). Patients with IBD have increased risk for colorectal cancer. Because the pathogenesis of colorectal carcinoma has not been entirely defined yet and there is no ideal treatment for colon cancer, cancer prevention has become increasingly important in patients with IBD. The two adopted methods to prevent the development of colon cancer in clinical practice include the prophylactic colectomy and colonoscopic surveillance. But patients and physicians seldom accept colectomy as a routine preventive method and most patients do not undergo appropriate colonoscopic surveillance. Chemoprevention refers to the use of natural or synthetic chemical agents to reverse, suppress, or to delay the process of carcinogenesis. Chemoprevention is a particularly useful method in the management of patients at high risk for the development of specific cancers based on inborn genetic susceptibility, the presence of cancer-associated disease, or other known risk factors. Prevention of colorectal cancer by administration of chemopreventive agents is one of the most promising options for IBD patients who are at increased risks of the disease. The chemopreventive efficacy of nonsteroidal anti-inflammatory drugs (NSAIDs) against intestinal tumors has been well established. But with reports that NSAIDs aggravated the symptoms of colitis, their sustained use for the purpose of cancer chemoprevention has been relatively contraindicated in IBD patients. Another hopeful candidate chemoprevention drug for IBD patients is 5-aminosalicylic acid (5-ASA), which is well tolerated by most patients and has limited systemic adverse effects, and no gastrointestinal toxicity. 5-ASA lacks the well-known side effects of long-term NSAIDs use. Retrospective correlative studies have suggested that the long-term use of 5-ASA in IBD patients may significantly reduce the risk of development of colorectal cancer. According to the literature, this agent might well satisfy clinical expectations with respect to a safe and effective chemopreventive agent.
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Affiliation(s)
- Yang Cheng
- Institute of Liver Disease, Shanghai University of Traditional Chinese Medicine, No.1200 Cailun Road, Pudong District, Shanghai 201203, China.
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Raedler A, Behrens C, Bias P. Mesalazine (5-aminosalicylic acid) micropellets show similar efficacy and tolerability to mesalazine tablets in patients with ulcerative colitis--results from a randomized-controlled trial. Aliment Pharmacol Ther 2004; 20:1353-63. [PMID: 15606398 DOI: 10.1111/j.1365-2036.2004.02282.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Formulations containing 5-aminosalicylic acid, such as mesalazine, are the gold standard of treatment for mild-to-moderate ulcerative colitis. Current oral regimens require the use of large tablets and frequent dosing to reach the recommended treatment dose. Mesalazine micropellets were designed to allow less frequent dosing in an easier to swallow formulation. AIM To compare the efficacy of mesalazine micropellets with the tablet formulation in patients with mild-to-moderate ulcerative colitis. METHODS This phase 2, double-blind, active-controlled, parallel-group, multiple dose clinical trial randomized 362 patients to either mesalazine micropellets or tablets, at a dosage of 3 g/day. The primary efficacy end-point was the incidence of clinical remission within 8 weeks, defined as the sum of clinical activity index components 1-4 (CAI(C1-4)) < or = 2. RESULTS CAI(C1-4) decreased significantly in both treatment groups within 8 weeks. The micropellet formulation showed confirmatory non-inferiority with statistical significance compared with the tablet formulation, with regard to the incidence of clinical remission (odds ratio in according-to-protocol population 1.008; 95% CI: 0.623-1.632). There was no significant difference in the incidence of adverse events. CONCLUSIONS The mesalazine micropellet formulation is as effective as tablets in patients with mild-to-moderate ulcerative colitis, enabling a larger dose to be taken comfortably and conveniently, thereby potentially improving patient compliance, treatment response and quality of life.
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Affiliation(s)
- A Raedler
- Department of Internal Medicine II--Gastroenterology, Asklepios Westklinikum Hamburg, Teaching Hospital of the University of Hamburg, Hamburg, Germany
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de Bruin M, Peters GJ, Oerlemans R, Assaraf YG, Masterson AJ, Adema AD, Dijkmans BAC, Pinedo HM, Jansen G. Sulfasalazine down-regulates the expression of the angiogenic factors platelet-derived endothelial cell growth factor/thymidine phosphorylase and interleukin-8 in human monocytic-macrophage THP1 and U937 cells. Mol Pharmacol 2004; 66:1054-60. [PMID: 15269287 DOI: 10.1124/mol.104.000315] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Platelet-derived endothelial cell growth factor/thymidine phosphorylase (PD-ECGF/TP) and interleukin-8 (IL-8) are angiogenic factors produced by tumor infiltrating macrophages. Here, we show that prolonged exposure of human monocytic/macrophage THP1 and U937 cells to sulfasalazine, an anti-inflammatory drug and inhibitor of nuclear factor-kappaB (NF-kappaB), resulted in down-regulation of PD-ECGF/TP and IL-8 (mRNA, protein and activity) along with elimination of their induction by tumor necrosis factor-alpha and interferon-gamma. Concomitantly, sulfasalazine-exposed cells were markedly resistant to 5'-deoxyfluorouridine, the last intermediate of capecitabine requiring activation by PD-ECGF/TP. This is the first report suggesting that disruption of NF-kappaB-dependent signaling pathways can provoke a marked and sustained down-regulation of macrophage-related angiogenic factors. However, this may also negatively affect capecitabine efficacy.
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Affiliation(s)
- Michiel de Bruin
- Department of Medical Oncology, VU University Medical Center, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
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Shanahan F, Quera R. CON: surveillance for ulcerative colitis-associated cancer: time to change the endoscopy and the microscopy. Am J Gastroenterol 2004; 99:1633-6. [PMID: 15330892 DOI: 10.1111/j.1572-0241.2004.40829_2.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Fergus Shanahan
- Department of Medicine, Alimentary Pharmabiotic Centre, University College Cork, National University of Ireland, Ireland, UK
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Pompeia C, Hodge DR, Plass C, Wu YZ, Marquez VE, Kelley JA, Farrar WL. Microarray analysis of epigenetic silencing of gene expression in the KAS-6/1 multiple myeloma cell line. Cancer Res 2004; 64:3465-73. [PMID: 15150099 DOI: 10.1158/0008-5472.can-03-3970] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The epigenetic control of gene transcription in cancer has been the theme of many recent studies and therapeutic approaches. Carcinogenesis is frequently associated with hypermethylation and consequent down-regulation of genes that prevent cancer, e.g., those that control cell proliferation and apoptosis. We used the demethylating drug zebularine to induce changes in DNA methylation, then examined patterns of gene expression using cDNA array analysis and Restriction Landmark Genomic Scanning followed by RNase protection assay and reverse transcription-PCR to confirm the results. Microarray studies revealed that many genes were epigenetically regulated by methylation. We concluded that methylation decreased the expression of, or silenced, several genes, contributing to the growth and survival of multiple myeloma cells. For example, a number of genes (BAD, BAK, BIK, and BAX) involved in apoptosis were found to be suppressed by methylation. Sequenced methylation-regulated DNA fragments identified by Restriction Landmark Genomic Scanning were found to contain CpG islands, and some corresponded to promoters of genes that were regulated by methylation. We also observed that after the removal of the demethylating drug, the addition of interleukin 6 restored CpG methylation and re-established previously silenced gene patterns, thus implicating a novel role of interleukin 6 in processes regulating epigenetic gene repression and carcinogenesis.
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Affiliation(s)
- Celine Pompeia
- Laboratory of Molecular Immunoregulation, National Cancer Institute-Frederick Cancer Research and Development Center, Frederick, Maryland 21702, USA
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Farrow B, Sugiyama Y, Chen A, Uffort E, Nealon W, Mark Evers B. Inflammatory mechanisms contributing to pancreatic cancer development. Ann Surg 2004; 239:763-9; discussion 769-71. [PMID: 15166955 PMCID: PMC1360122 DOI: 10.1097/01.sla.0000128681.76786.07] [Citation(s) in RCA: 123] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
OBJECTIVE Pancreatic cancer is the most deadly of all gastrointestinal (GI) malignancies, yet relatively little is known regarding mechanisms of tumor development including the role of inflammation. SUMMARY BACKGROUND DATA Chronic pancreatitis (CP) increases the risk of developing cancer by 10- to 20-fold; mediators of the chronic inflammatory process and the surrounding fibrotic stroma likely support a transformation to malignancy, yet the exact mechanisms remain undefined. The purpose of our present study was to determine potential inflammatory components in epithelial and stromal cells that may contribute to both CP and pancreatic cancers. METHODS Specimens of normal pancreas, CP, and pancreatic cancer were examined using laser-capture microdissection (LCM), gene array, and immunohistochemistry. RESULTS Gene array analysis from LCM-dissected tissues demonstrated: (i) increased expression of interleukin-8 (IL-8), an activator of the inflammatory factor nuclear factor-kappaB (NF-kappaB), and (ii) decreased expression of IkappaB (an inhibitor of NF-kappaB) in CP ductal cells compared with normal ducts. Compared with CP, cancers demonstrated: (i) increased expression of tumor related genes including S100A4, cyclin E1, and epidermal growth factor (EGF) receptor, and (ii) expression of matrix metalloproteinase 2, a pro-invasive factor for tumor cells, which was not present in the CP stroma. Increased staining of both the p50 NF-kappaB subunit and IKKalpha kinase (a protein that allows activation of NF-kappaB) was noted in CP and cancers. CONCLUSIONS Our results demonstrate that similar inflammatory components and downstream effectors are present in CP and pancreatic cancers. Importantly, these findings suggest that a common pathway for pancreatic cancer development may be through a chronic inflammatory process including stroma formation. These findings may lead to novel strategies for pancreatic cancer prophylaxis based on inhibition of inflammatory mediators.
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Affiliation(s)
- Buckminster Farrow
- Department of Surgery, The University of Texas Medical Branch, Galveston, TX 77555-0536, USA
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Affiliation(s)
- Jeffrey W Pollard
- Center for the Study of Reproductive Biology and Women's Health and the Albert Einstein Cancer Center, Albert Einstein College of Medicine, New York, New York 10461, USA.
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