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Sökning: L773:1423 0232

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1.
  • Aldulaymi, Bahir, et al. (författare)
  • High Plasma TIMP-1 and Serum CEA Levels during Combination Chemotherapy for Metastatic Colorectal Cancer Are Significantly Associated with Poor Outcome
  • 2010
  • Ingår i: Oncology. - : S. Karger AG. - 0030-2414 .- 1423-0232. ; 79:1-2, s. 144-149
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To evaluate whether combination chemotherapy leads to early changes in plasma TIMP-1 and serum carcinoembryonic antigen (CEA) levels in patients with metastatic colorectal cancer (mCRC), and whether such changes relate to subsequent objective response, time to progression (TTP) and overall survival. Materials and Methods: Eighty-eight patients with mCRC were included. Blood samples were collected before initiation and after 2, 4 and 6 weeks of treatment with an irinotecan-5-fluorouracil combination. Plasma TIMP-1 and serum CEA levels were determined by validated ELISA platforms. The first response evaluation was performed after 8 weeks of chemotherapy. Results: Median plasma TIMP-1 and serum CEA levels did not change significantly during 6 weeks of treatment. High plasma TIMP-1 and high serum CEA levels before treatment and at weeks 2, 4 and 6 were related to poor objective response. Moreover, high levels of plasma TIMP-1 before treatment and at weeks 2 and 4 were significantly associated with short TTP, while high levels of serum CEA at week 4 were significantly associated with short TTP. Finally, high levels of plasma TIMP- 1 before and during treatment were significantly associated with poor overall survival; p < 0.0001 in all 4 determinations. A similar association between serum CEA and overall survival could only be demonstrated before treatment. Conclusion: Median plasma TIMP-1 or serum CEA levels do not change significantly during the first 6 weeks of chemotherapy for mCRC. The results indicate that plasma TIMP-1 in particular and serum CEA may be valuable biomarkers even in samples collected during treatment with chemotherapy.
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2.
  • Andersson, Bengt-Åke, et al. (författare)
  • Impact of Cigarette Smoking and Head and Neck Squamous Cell Carcinoma on Circulating Inflammatory Biomarkers
  • 2020
  • Ingår i: Oncology. - : S. Karger. - 0030-2414 .- 1423-0232. ; 98:1, s. 42-47
  • Tidskriftsartikel (refereegranskat)abstract
    • INTRODUCTION: Smoking induces inflammation and an immune response. A cancer-related inflammatory response has been seen in smoking and nonsmoking head and neck squamous cell carcinoma (HNSCC) patients.OBJECTIVES: The aim of this study was to analyze the possible separated effects of smoking or HNSCC on 18 inflammatory or immune regulatory biomarkers.METHODS: Fifty-one nonsmoking and 36 smoking pretreated HNSCC patients and 101 nonsmoking and 39 smoking controls were included in this study. The levels of 18 inflammatory or immune regulatory biomarkers were analyzed. A multivariable linear regression model was used to predict the impact of smoking and HNSCC on the levels of the biomarkers.RESULTS: Smoking had the highest impact on total WBC, IFN-γ, and MCP-1 levels. The highest impact of HNSCC was found on neutrophils, neutrophil-to-lymphocyte ratio, HsCRP, MIP-1b, and TNF-α levels.CONCLUSION: Identifying HNSCC or smoking-related inflammatory biomarkers might contribute to the understanding of the immune response in HNSCC patients. This study could provide information of inflammatory biomarkers in HNSCC patients.
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3.
  • Barrett-Lee, Peter J., et al. (författare)
  • Independent risk factors for anemia in cancer patients receiving chemotherapy : results from the European Cancer Anaemia Survey
  • 2006
  • Ingår i: Oncology. - : S. Karger AG. - 0030-2414 .- 1423-0232. ; 70:1, s. 34-48
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: To develop a hitherto unavailable risk factor model for accurately predicting anemia development in cancer patients before chemotherapy (CT) administration. METHODS: 2,070 nonanemic patients from the European Cancer Anaemia Survey (ECAS) with hemoglobin (Hb) > or =12 g/dl at enrollment who received their first CT during ECAS and underwent at least two CT cycles were divided randomly into split half (SH) 1 and SH2 (n = 1,035 each). The model was developed on SH1 using logistic regression to simultaneously evaluate predictive factors, and was validated using SH2 and an additional similar subpopulation of 5,901 ECAS patients. Anemia risk values were assigned to the predictive factors and the sum of the predictive factors gave the total anemia risk score; lower-, higher-, and highest-risk cutoff points of the total anemia risk score were determined. RESULTS: Variables ultimately identified as significant predictive factors for anemia were: lower initial Hb (< or =12.9 g/dl in females, and < or =13.4 g/dl in males); having lung or gynecologic cancer versus gastrointestinal (GI)/colorectal cancer; cancer at any other site versus GI/colorectal cancer; treatment with platinum CT, and female gender. CONCLUSION: Using this evidence-based risk model, nonanemic patients who are at the highest risk of developing anemia prior to receiving CT can be identified clinically, allowing appropriate anemia management to be planned.
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4.
  • Beilmann-Lehtonen, Ines, et al. (författare)
  • The Relationship between the Tissue Expression of TLR2, TLR4, TLR5, and TLR7 and Systemic Inflammatory Responses in Colorectal Cancer Patients
  • 2021
  • Ingår i: Oncology. - : S. Karger. - 0030-2414 .- 1423-0232. ; 99:12, s. 790-801
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Colorectal cancer (CRC) is the third most commonly diagnosed malignancy globally. CRC patients with elevated plasma C-reactive protein (CRP) levels exhibit compromised prognoses. Toll-like receptors (TLRs), activating the innate and adaptive immune systems, may contribute to pro- and antitumorigenic inflammatory responses. We aimed to identify a possible link between local and systemic inflammatory responses in CRC patients by investigating the association between tissue TLRs and plasma CRP.Methods: Tissue expressions of TLR2, TLR4, TLR5, and TLR7 were assessed using immunohistochemistry of tissue microarray slides from 549 CRC patients surgically treated between 1998 and 2005. Blood samples were drawn preoperatively, centrifuged, aliquoted, and stored at −80°C until analysis. Plasma CRP was determined through high-sensitivity time-resolved immunofluorometric assay. We investigated the association of TLRs to clinicopathologic variables, plasma CRP, and survival.Results: High TLR2 expression (hazard ratio [HR] 0.59; 95% confidence interval [CI] 0.41–0.85; p = 0.005), high TLR5 expression (HR 0.60; 95% CI 0.45–0.83; p = 0.002), positive TLR7 expression (HR 0.49; 95% CI 0.33–0.72; p < 0.001), and low CRP (HR 1.48; 95% CI 1.08–2.11; p = 0.017) were associated with a better prognosis. A high TLR2 immunoexpression was associated with a better prognosis among low-CRP patients (HR 0.53; 95% CI 0.35–0.80; p = 0.002), high TLR4 expression among high-CRP patients (HR 2.04; 95% CI 1.04–4.00; p = 0.038), high TLR5 expression among low-CRP patients (HR 0.059; 95% CI 0.37–0.92; p = 0.021), and positive TLR7 expression among low-CRP patients (HR 0.53; 95% CI 0.28–1.00; p = 0.049). In multivariate analyses, no biomarkers emerged as significant independent variables.Conclusions: High tissue TLR2, TLR5, and TLR7 levels were associated with a better prognosis. Among low-CRP patients, those with high TLR2, TLR5, and TLR7 immunoexpressions exhibited a better prognosis. Among high CRP patients, a high TLR4 immunoexpression was associated with a better prognosis.
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5.
  • Birgegård, Gunnar, 1944-, et al. (författare)
  • Cancer-related anemia : pathogenesis, prevalence and treatment
  • 2005
  • Ingår i: Oncology. - : S. Karger AG. - 0030-2414 .- 1423-0232. ; 68:Suppl 1, s. 3-11
  • Tidskriftsartikel (refereegranskat)abstract
    • Cancer-related anemia is a cytokine-mediated disorder resulting from complex interactions between tumor cells and the immune system. Overexpression of certain inflammatory cytokines results in shortened survival of red blood cells, suppression of erythroid progenitor cells, impaired iron utilization, and inadequate erythropoietin production. Numerous other factors may also contribute to the development of anemia in cancer patients. The European Cancer Anaemia Survey (ECAS) has provided the most current, comprehensive, prospectively collected data on the incidence and prevalence of anemia among cancer patients, as well as important perspectives on anemia treatment and relationship of hemoglobin and performance status. ECAS enrolled over 15,000 treated and untreated patients with various malignancies from cancer centers in 24 European countries and followed them for up to 6 months. The initial analysis of the ECAS data revealed that 39% of the total cancer patient population was anemic (hemoglobin <12.0 g/dl) at enrollment, although the rate varied according to tumor type, disease status, and cancer treatment status. Of the patients who were not anemic at enrollment and started cancer treatment during the survey, those undergoing chemotherapy--either alone or in combination with radiotherapy--had the highest incidence of anemia (63 and 42%, respectively). Low hemoglobin levels correlated with poor performance status and only 40% of patients who were anemic at some time during the survey received treatment for their anemia. These findings are noteworthy, since a growing body of clinical evidence indicates that the treatment of anemia can significantly improve patients' quality of life and may also improve the clinical outcome.
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6.
  • Birgegård, Gunnar, 1944-, et al. (författare)
  • New guidelines on anaemia management in patients with cancer : How do these affect clinical practice?
  • 2005
  • Ingår i: Oncology. - : S. Karger AG. - 0030-2414 .- 1423-0232. ; 69:Suppl 2, s. 17-21
  • Tidskriftsartikel (refereegranskat)abstract
    • Anaemia is a condition that frequently occurs in patients with cancer, but a recent survey has cast doubt over whether it is being appropriately treated. These findings are disappointing considering the wealth of data showing the effectiveness of epoetin therapy in patients with cancer. Recently, evidence-based guidelines have been published that aim to provide physicians with the latest information required for optimal management of anaemia in patients with cancer. By increasing physician awareness of the appropriate therapy for anaemia management, more patients may receive the benefits of epoetin therapy.
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7.
  • Cloutier, B. Tessier, et al. (författare)
  • Breast Cancer in Systemic Lupus Erythematosus
  • 2013
  • Ingår i: Oncology. - : S. Karger AG. - 1423-0232 .- 0030-2414. ; 85:2, s. 117-121
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: Evidence points to a decreased breast cancer risk in systemic lupus erythematosus (SLE). We analyzed data from a large multisite SLE cohort, linked to cancer registries. Methods: Information on age, SLE duration, cancer date, and histology was available. We analyzed information on histological type and performed multivariate logistic regression analyses of histological types according to age, SLE duration, and calendar year. Results: We studied 180 breast cancers in the SLE cohort. Of the 155 cases with histology information, 11 were referred to simply as 'carcinoma not otherwise specified'. In the remaining 144 breast cancers, the most common histological type was ductal carcinoma (n = 95; 66%) followed by lobular adenocarcinoma (n = 11; 8%), 15 cancers were of mixed histology, and the remaining ones were special types. In our regression analyses, the independent risk factors for lobular versus ductal carcinoma was age [odds ratio (OR) 1.07, 95% confidence interval (Cl) 1.01-1.14] and for the 'special' subtypes it was age (OR 1.06, 95% Cl 1.01-1.10) and SLE duration (OR 1.05, 95% CI 1.00-1.11). Conclusions: Generally, up to 80% of breast cancers are ductal carcinomas. Though our results are not definitive, in the breast cancers that occur in SLE, there may be a slight decrease in the ductal histological type. In our analyses, age and SLE duration were independent predictors of histological status. Copyright (C) 2013 S. Karger AG, Basel
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8.
  • Dimberg, Jan, et al. (författare)
  • Genomic Profiling of Stage II Colorectal Cancer Identifies Candidate Genes Associated with Recurrence-Free Survival, Tumor Location, and Differentiation Grade.
  • 2020
  • Ingår i: Oncology. - : S. Karger. - 0030-2414 .- 1423-0232. ; 98:8, s. 575-582
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Identification of high-risk stage II colorectal cancer (CRC) patients, potential candidates for adjuvant chemotherapy, is challenging. Current clinical guidelines rely mainly on histopathological markers with relatively weak prognostic value. This motivates further search for prognostic markers.METHODS: This explorative study aimed to identify potential candidate gene mutations to facilitate differentiation between subgroups of patients with CRC stage II. Panel-based massive parallel sequencing was used to genetically characterize tumor tissues from 85 patients radically operated for CRC stage II, of which 12 developed recurrent cancer during follow-up. Genetic data was compared between patients with or without cancer recurrence, between tumors located in colon and in rectum, and for association with tumor differentiation grade.RESULTS: Genetic variation in ATM, C11ORF65 was associated with recurrence-free survival. Previous reports regarding the association between BRAF mutation and a higher age at diagnosis, and tumor location in colon were confirmed. APC, BRAF, or KRAS mutation was associated with tumor differentiation grade. Multiple correspondence analyses revealed no obvious clustering of patients with the studied clinical characteristics, indicating that the genetic signatures observed here were unique for each individual.CONCLUSIONS: Taken together, we have demonstrated the utility of panel-based massive parallel sequencing to explore the pathogenesis of CRC stage II. We have identified promising candidate gene mutations associated with cancer recurrence, tumor location, and differentiation grade in patients with CRC stage II, which merit further investigation.
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9.
  • Dimberg, Jan, et al. (författare)
  • Significance of Gene Polymorphism and Gene Expression of BACE2 in Swedish Patients with Colorectal Cancer
  • 2024
  • Ingår i: Oncology. - : S. Karger. - 0030-2414 .- 1423-0232.
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction: β-site amyloid precursor protein (APP) cleaving enzyme 2 (BACE2) cleaves APP which is ubiquitously expressed in a variety of cell types including cancer cells. BACE2 can process APP in several ways and appears to be involved in the pathogenesis of cancer. Our purpose was to assess the association of mRNA expression and genetic polymorphism of BACE2 in colorectal cancer (CRC) susceptibility and its association to clinicopathological factors in Swedish patients with CRC.Methods: A total of 720 CRC patients and 470 healthy controls were genotyped for BACE2 gene polymorphism rs2012050, using TaqMan single nucleotide polymorphism (SNP) assays based on polymerase chain reaction. Reverse transcription quantitative PCR was used to investigate the BACE2 gene expression in 192 CRC tissue and 181 paired normal tissue.Results: Assessing clinicopathological factors, we noted that carrying of T allele in C/T and C/T+T/T was significantly associated with a protective role against disseminated cancer and higher lymph node status. Moreover, individuals carrying T/T genotype were significantly more likely to have poorly differentiated cancer. Follow-up data for patients in poorly differentiated cancer and the Kaplan-Meier analysis showed that the cancer-specific survival curves differed between C/C and C/T+T/T for the BACE2 gene polymorphism and that the carriers of the genotype C/C were associated with more favorable prognosis. We found no significant differences in the genotypic frequencies between the patients and healthy controls. BACE2 mRNA level was significantly 2.2-fold upregulated in CRC tissue when compared to noncancerous tissue. A higher BACE2 mRNA level was observed in smaller tumors and in rectal cancer when compared to colon cancer.Conclusion: In patients with CRC, our results indicate BACE2 rs2012050 as a useful potential predictor of poor differentiation, disseminated cancer and lymph node status and that the BACE2 mRNA expression is associated to tumor size and cancer location.
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10.
  • Emterling, Anna, et al. (författare)
  • Clinicopathological significance of Nup88 expression in patients with colorectal cancer
  • 2003
  • Ingår i: Oncology. - : S. Karger AG. - 0890-9091 .- 0030-2414 .- 1423-0232. ; 64:4, s. 361-369
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The nucleoporin Nup88 is overexpressed in a series of human malignancies, however, its clinicopathological significance has not been studied. Our aims were to analyze Nup88 expression in normal mucosa, primary tumors and metastases from colorectal cancer patients and further to identify relationships of Nup88 expression with clinicopathological and other factors.Materials and Methods: Using immunohistochemistry, we investigated Nup88 expression in 198 primary colorectal tumors, 96 normal mucosa samples and 35 lymph node metastases.Results: The results showed that the intensity of Nup88 expression increased from the normal mucosa to the primary tumors (p < 0.0001) and tended to increase from the primary tumors to the metastases (p = 0.15). Both primary tumors and metastases presented stronger expression in the invasive margin and vascular-invaded areas. Nup88 expression was positively related to distal tumor location (p = 0.01), infiltrative growth pattern (p = 0.04) and higher proliferative activity (p = 0.04) and reversely to the grade of differentiation (p = 0.02) and apoptosis (p = 0.049). Strong expression of Nup88 predicted a worse outcome in the patients with distal tumors during the follow-up period of up to 3 years (p = 0.02).Conclusions: It seems that overexpression of Nup88 was involved in the tumorigenesis and aggressiveness of colorectal cancers, and Nup88 may be used as a prognostic factor in patients with distal tumors.
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