| 1. |
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| 2. |
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| 3. |
- Braekeveldt, Noémie, et al.
(författare)
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Neuroblastoma patient-derived orthotopic xenografts reflect the microenvironmental hallmarks of aggressive patient tumours
- 2016
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Ingår i: Cancer Letters. - : Elsevier BV. - 1872-7980 .- 0304-3835. ; 375:2, s. 384-389
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Tidskriftsartikel (refereegranskat)abstract
- Treatment of high-risk childhood neuroblastoma is a clinical challenge hampered by a lack of reliable neuroblastoma mouse models for preclinical drug testing. We have previously established invasive and metastasising patient-derived orthotopic xenografts (PDXs) from high-risk neuroblastomas that retained the genotypes and phenotypes of patient tumours. Given the important role of the tumour microenvironment in tumour progression, metastasis, and treatment responses, here we analysed the tumour microenvironment of five neuroblastoma PDXs in detail. The PDXs resembled their parent tumours and retained important stromal hallmarks of aggressive lesions including rich blood and lymphatic vascularisation, pericyte coverage, high numbers of cancer-associated fibroblasts, tumour-associated macrophages, and extracellular matrix components. Patient-derived tumour endothelial cells occasionally formed blood vessels in PDXs; however, tumour stroma was, overall, of murine origin. Lymphoid cells and lymphatic endothelial cells were found in athymic nude mice but not in NSG mice; thus, the choice of mouse strain dictates tumour microenvironmental components. The murine tumour microenvironment of orthotopic neuroblastoma PDXs reflects important hallmarks of aggressive and metastatic clinical neuroblastomas. Neuroblastoma PDXs are clinically relevant models for preclinical drug testing.
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| 4. |
- Chen, Tianhui, et al.
(författare)
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Distribution and risk of the second discordant primary cancers combined after a specific first primary cancer in German and Swedish cancer registries.
- 2015
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Ingår i: Cancer Letters. - : Elsevier BV. - 1872-7980 .- 0304-3835. ; 369:1, s. 152-166
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Tidskriftsartikel (refereegranskat)abstract
- We aimed at investigating the distribution and risk of all second discordant primary cancers (SDPCs) after a specific first primary cancer in Germany and Sweden to provide etiological understanding of SDPCs and insight into their incidence rates and recording practices. Among 1,537,004 survivors of first primary cancers in Germany and 588,103 in Sweden, overall 80,162 and 32,544 SDPCs were recorded, respectively. Standardized incidence ratios (SIRs) of all SDPCs were elevated at levels between 1.1 and 2.1 after 23 (out of overall 29) cancers in Germany and at levels between 1.1 and 1.6 after 24 cancers in Sweden, and among them, elevated SIRs were found after 19 cancers in both populations. Decreased SIRs at levels ranging from 0.5 to 0.9 were found for some cancers with poor prognosis in Germany only. We found elevated risk after 19 out of 29 cancers in both countries, suggesting common etiology of SDPCs after most of first cancers and registration similarity. Decreased risks after some fatal cancers were found only in Germany, which may be attributed to reporting practices or missed death data in Germany.
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| 5. |
- Dyczynski, Matheus, et al.
(författare)
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Targeting autophagy by small molecule inhibitors of vacuolar protein sorting 34 (Vps34) improves the sensitivity of breast cancer cells to Sunitinib
- 2018
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Ingår i: Cancer Letters. - : Elsevier. - 0304-3835 .- 1872-7980. ; 435, s. 32-43
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Tidskriftsartikel (refereegranskat)abstract
- Resistance to chemotherapy is a challenging problem for treatment of cancer patients and autophagy has been shown to mediate development of resistance. In this study we systematically screened a library of 306 known anti-cancer drugs for their ability to induce autophagy using a cell-based assay. 114 of the drugs were classified as autophagy inducers; for 16 drugs, the cytotoxicity was potentiated by siRNA-mediated knock-down of Atg7 and Vps34. These drugs were further evaluated in breast cancer cell lines for autophagy induction, and two tyrosine kinase inhibitors, Sunitinib and Erlotinib, were selected for further studies. For the pharmacological inhibition of autophagy, we have characterized here a novel highly potent selective inhibitor of Vps34, SB02024. SB02024 blocked autophagy in vitro and reduced xenograft growth of two breast cancer cell lines, MDA-MB-231 and MCF-7, in vivo. Vps34 inhibitor significantly potentiated cytotoxicity of Sunitinib and Erlotinib in MCF-7 and MDA-MB-231 in vitro in monolayer cultures and when grown as multicellular spheroids. Our data suggests that inhibition of autophagy significantly improves sensitivity to Sunitinib and Erlotinib and that Vps34 is a promising therapeutic target for combination strategies in breast cancer.
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| 6. |
- Hillert, Ellin-Kristina, et al.
(författare)
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Proteasome inhibitor b-AP15 induces enhanced proteotoxicity by inhibiting cytoprotective aggresome formation
- 2019
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Ingår i: Cancer Letters. - : ELSEVIER IRELAND LTD. - 0304-3835 .- 1872-7980. ; 448, s. 70-83
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Tidskriftsartikel (refereegranskat)abstract
- Proteasome inhibitors have been shown to induce cell death in cancer cells by triggering an acute proteotoxic stress response characterized by accumulation of poly-ubiquitinated proteins, ER stress and the production of reactive oxygen species. The aggresome pathway has been described as an escape mechanism from proteotoxicity by sequestering toxic cellular aggregates. Here we show that b-AP15, a small-molecule inhibitor of proteasomal deubiquitinase activity, induces poly-ubiquitin accumulation in absence of aggresome formation. b-AP15 was found to affect organelle transport in treated cells, raising the possibility that microtubule-transport of toxic protein aggregates is inhibited, leading to enhanced cytotoxicity. In contrast to the antiproliferative effects of the clinically used proteasome inhibitor bortezomib, the effects of b-AP15 are not further enhanced by the histone deacetylase inhibitor suberoylanilide hydroxamic acid (SAHA). Our results suggest an inhibitory effect of b-AP15 on the transport of misfolded proteins, resulting in a lack of aggresome formation, and a strong proteotoxic stress response.
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| 7. |
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| 8. |
- Karlsson, Jenny, et al.
(författare)
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Activation of human telomerase reverse transcriptase through gene fusion in clear cell sarcoma of the kidney.
- 2015
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Ingår i: Cancer Letters. - : Elsevier BV. - 1872-7980 .- 0304-3835. ; 357:2, s. 498-501
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Tidskriftsartikel (refereegranskat)abstract
- Clear cell sarcoma of the kidney (CCSK) is a rare tumor type affecting infants and young children. Most CCSKs display few genomic aberrations, and no general underlying mechanism for tumor initiation has yet been identified, although a YWHAE-NUTM2B/NUTM2E fusion gene has been observed in a minority of cases. We performed RNA-sequencing of 22 CCSKs to investigate the presence of additional fusion transcripts. The presence of the YWHAE-NUTM2B/NUTM2E fusion was confirmed in two cases. In addition, a novel IRX2-TERT fusion transcript was identified in one case. SNP-array analyses revealed the underlying event to be an interstitial deletion in the short arm of chromosome 5 (5p15.33). TERT was dramatically upregulated under the influence of the IRX2 promoter. In line with TERT expression being driven by active IRX2 regulatory elements, we found a high expression of IRX2 in CCSKs irrespective of fusion gene status. IRX2 was also expressed in human fetal kidney - the presumed tissue of origin for CCSK. We conclude that in addition to promoter mutations and epigenetic events, TERT can also be activated in tumors via formation of fusion transcripts.
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| 9. |
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| 10. |
- Lopez-Luque, Judit, et al.
(författare)
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Downregulation of Epidermal Growth Factor Receptor in hepatocellular carcinoma facilitates Transforming Growth Factor-beta-induced epithelial to amoeboid transition
- 2019
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Ingår i: Cancer Letters. - : ELSEVIER IRELAND LTD. - 0304-3835 .- 1872-7980. ; 464:Nov, s. 15-24
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Tidskriftsartikel (refereegranskat)abstract
- The Epidermal Growth Factor Receptor (EGFR) and the Transforming Growth Factor-beta (TGF-beta) are key regulators of hepatocarcinogenesis. Targeting EGFR was proposed as a promising therapy; however, poor success was obtained in human hepatocellular carcinoma (HCC) clinical trials. Here, we describe how EGFR is frequently downregulated in HCC patients while TGF-beta is upregulated. Using 2D/3D cellular models, we show that after EGFR loss, TGF-beta is more efficient in its pro-migratory and invasive effects, inducing epithelial to amoeboid transition. EGFR knock-down promotes loss of cell-cell and cell-to-matrix adhesion, favouring TGF-beta-induced actomyosin contractility and acquisition of an amoeboid migratory phenotype. Moreover, TGF-beta upregulates RHOC and CDC42 after EGFR silencing, promoting Myosin II in amoeboid cells. Importantly, low EGFR combined with high TGFBI or RHOC/CDC42 levels confer poor patient prognosis. In conclusion, this work reveals a new tumour suppressor function for EGFR counteracting TGF-beta-mediated epithelial to amoeboid transitions in HCC, supporting a rational for targeting the TGF-beta pathway in patients with low EGFR expression. Our work also highlights the relevance of epithelial to amoeboid transition in human tumours and the need to better target this process in the clinic.
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| 11. |
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| 12. |
- Mattsson, Johanna Sofia Margareta, 1985-, et al.
(författare)
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Prognostic impact of COX-2 in non-small cell lung cancer : a comprehensive compartment-specific evaluation of tumor and stromal cell expression
- 2015
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Ingår i: Cancer Letters. - : Elsevier BV. - 0304-3835 .- 1872-7980. ; 356:2, s. 837-845
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Tidskriftsartikel (refereegranskat)abstract
- Cyclooxygenase-2 (COX-2) is an enzyme that has been extensively investigated as a prognostic marker in cancer. In non-small cell lung cancer (NSCLC) previous results regarding the prognostic impact of COX-2 expression are inconsistent. Therefore we evaluated the association between transcript levels and overall survival in nine publicly available gene expression data sets (total n = 1337) and determined in situ compartment-specific tumor and stromal cell protein expression in two independent cohorts (n = 616). Gene expression did not show any correlation with clinical parameters or with overall survival. Protein expression in tumor and stromal cells did not correlate with any clinical parameter or with overall survival in one of the analyzed cohorts, while a significant association of high stromal expression with longer survival was observed in both univariate and multivariate analysis in the other cohort. Stromal expression of COX-2 has not been separately evaluated in NSCLC previously and may be a subject of further investigation, whereas the presented findings from this comprehensive compartment specific evaluation clearly reject the hypothesis of COX-2 tumor cell expression having a prognostic value in NSCLC. (C) 2014 Elsevier Ireland Ltd. All rights reserved.
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| 13. |
- Mi, Yushuai, et al.
(författare)
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miR-181a-5p promotes the progression of gastric cancer via RASSF6-mediated MAPK signalling activation
- 2017
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Ingår i: Cancer Letters. - : ELSEVIER IRELAND LTD. - 0304-3835 .- 1872-7980. ; 389, s. 11-22
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Tidskriftsartikel (refereegranskat)abstract
- We previously discovered that Ras association domain family member 6 (RASSF6) was downregulated and predicted poor prognosis in GC patients. However, the mechanisms of the down regulation of RASSF6 in GC remained unclear. Increasing evidence indicates that dysregulation of microRNAs promotes the progression of cancer through the repression of tumour suppressors. Here, we identified miR-181a-5p as a novel regulator of RASSF6 in GC. Functionally, ectopic expression or silencing of miR-181a-5p, respectively, promoted or inhibited GC cell proliferation, colony formation and cell cycle transition, as well as enhanced or prevented the invasion, metastasis of GC cells and epithelial to mesenchymal transition of GC cells in vitro and in vivo. Molecularly, miR-181a-5p functioned as an onco-miRNA by activating the RASSF6-regulated MAKP pathway. Overexpression or silencing of RASSF6 could partially reverse the effects of the overexpression or repression of miR-181a-5p on GC progress caused by activation of the MAKP pathway in vitro and in vivo. Clinically, high miR-181a-5p expression predicted poor survival in GC patients, especially combined with low RASSF6 expression. Collectively, we identified miR-181a-5p as an onco-miRNA, which acts by directly repressing RASSF6 in GC. (C) 2017 The Authors. Published by Elsevier Ireland Ltd.
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| 14. |
- Monteiro, Fátima Liliana, et al.
(författare)
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The histone H2A isoform Hist2h2ac is a novel regulator of proliferation and epithelial-mesenchymal transition in mammary epithelial and in breast cancer cells.
- 2019
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Ingår i: Cancer Letters. - : Elsevier. - 0304-3835 .- 1872-7980. ; 396, s. 42-52
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Tidskriftsartikel (refereegranskat)abstract
- Proliferation and differentiation are controlled through chromatin remodelling. Therefore, there is an enormous biological significance and clinical value in understanding how specific signalling pathways are affected by histone replacement in the nucleosome. In this work, mass spectrometry was used to screen HC11 mammary epithelial cells for changes in histone levels throughout cell differentiation. The canonical histone isoform Histone H2A type 2-C (Hist2h2ac) was found only in undifferentiated/proliferating cells. Hist2h2ac mRNA was induced by EGF, specifically in the CD24+/CD29hi/DC44hi cell subpopulation. Hist2h2ac mRNA was increased by MEK(1/2) or PI3-K activation in HC11 and EpH4 mammary epithelial cells, and in MC4-L2 and T47-D breast cancer cells. Hist2h2ac silencing inhibited EGF-induced Zeb-1 expression and E-cadherin down-regulation, and this effect was reverted by Hist2h2ac re-expression. Notably, silencing of Hist2h2ac increased EGFR, ERBB2, and ERK(1/2) activation but did not allow EGF-induced proliferation. HIST2H2AC was expressed in all breast cancer molecular subtypes and found altered in 17% breast cancers, being 16.8% of the cases related to HIST2H2AC gene amplification and/or mRNA upregulation. In summary, this is the first study that identifies a canonical histone isoform -Hist2h2ac-downstream of the EGFR pathway, regulating oncogenic signalling and thereby contributing to deregulation of target genes.
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| 15. |
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| 16. |
- Rucci, Nadia, et al.
(författare)
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The α2β1 binding domain of chondroadherin inhibits breast cancer-induced bone metastases and impairs primary tumour growth: A preclinical study.
- 2015
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Ingår i: Cancer Letters. - : Elsevier BV. - 1872-7980 .- 0304-3835. ; 358:1, s. 67-75
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Tidskriftsartikel (refereegranskat)abstract
- cyclicCHAD is a peptide representing the α2β1 integrin binding sequence of the matrix protein chondroadherin (CHAD), which in our hands proved effective at counteracting bone loss in ovariectomised mice by inhibiting osteoclastogenesis. Given that bone metastases are characterised by exacerbated osteoclast activity as well, we tested this therapy in mice intracardiacally injected with the osteotropic human breast cancer cell line MDA-MB-231. Treatment with cyclicCHAD significantly decreased cachexia and incidence of bone metastases, and induced a trend of reduction of visceral metastasis volume, while in orthotopically injected mice cyclicCHAD reduced tumour volume. In vitro studies showed its ability to impair tumour cell motility and invasion, suggesting a direct effect not only on osteoclasts but also on the tumour cell phenotype. Interestingly, when administered together with a suboptimal, poorly effective, dose of doxorubicin (DXR), cyclicCHAD improved survival and reduced visceral metastases volume to a level similar to that of the optimal dose of DXR alone. Taken together, these preclinical data suggest that cyclicCHAD is a new inhibitor of bone metastases, with an appreciable direct effect also on tumour growth and a synergistic activity in combination with low dose chemotherapy, underscoring an important translational impact.
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| 17. |
- Søreide, Kjetil, et al.
(författare)
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Epidemiological-molecular evidence of metabolic reprogramming on proliferation, autophagy and cell signaling in pancreas cancer
- 2015
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Ingår i: Cancer Letters. - : Elsevier BV. - 0304-3835 .- 1872-7980. ; 356:2, s. 281-288
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Tidskriftsartikel (refereegranskat)abstract
- Pancreatic cancer remains one of the deadliest human cancers with little progress made in survival over the past decades, and 5-year survival usually below 5%. Despite this dismal scenario, progresses have been made in understanding of the underlying tumor biology through among other definition of precursor lesions, delineation of molecular pathways, and advances in genome-wide technology. Further, exploring the relationship between epidemiological risk factors involving metabolic features to that of an altered cancer metabolism may provide the foundation for new therapies. Here we explore how nutrients and caloric intake may influence the KRAS-driven ductal carcinogenesis through mediators of metabolic stress, including autophagy in presence of TP53, advanced glycation end products (AGE) and the receptors (RAGE) and ligands (HMGB1), as well as glutamine pathways, among others. Effective understanding the cancer metabolism mechanisms in pancreatic cancer may propose new ways of prevention and treatment.
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| 18. |
- Welinder, Charlotte, et al.
(författare)
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Cytokeratin 20 improves the detection of circulating tumor cells in patients with colorectal cancer.
- 2015
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Ingår i: Cancer Letters. - : Elsevier BV. - 1872-7980 .- 0304-3835. ; 358:1, s. 43-46
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Tidskriftsartikel (refereegranskat)abstract
- Cytokeratin 20 (CK20) is a well-established marker for colon epithelium. Herein, we suggest that CK20 is a biomarker for detecting circulating tumor cells (CTCs) in patients with metastatic colorectal cancer. Blood specimens (7.5 mL) were collected during surgery after liver mobilization from 25 patients with colorectal cancer. The FDA approved CellSearch™ system and two panels of antibodies against cytokeratins, cytokeratin 8, 18 and 19 (CK8/18/19) and CK8/18/19/20, were used for the detection of CTCs. All the patients' samples were processed using the anti-CK8/18/19 panel. The number of detected CTCs was low, 52% of the patients lacked CTCs and 40% had ≤ 2 CTCs/7.5 mL blood. Nine of the patients' blood samples were processed with both antibody panels. The detection rate of CTCs was significantly higher using the anti-CK8/18/19/20 panel compared with the anti-CK8/18/19 panel, p-value 0.0078. Our data show that inclusion of CK20 as a biomarker efficiently improves the detection of CTCs in colorectal cancer patients. The finding in our study is of clinical importance since a new prognostic biomarker would provide an important tool in individual clinical decision-making for colorectal cancer patients.
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| 19. |
- Williams, Cecilia, et al.
(författare)
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Estrogen receptor beta as target for colorectal cancer prevention
- 2016
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Ingår i: Cancer Letters. - : Elsevier. - 0304-3835 .- 1872-7980. ; 372:1, s. 48-56
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Forskningsöversikt (refereegranskat)abstract
- Colorectal cancer (CRC) is a leading cause of death in the United States. Despite its slow development and the capacity for early diagnosis, current preventive approaches are not sufficient. However, a role for estrogen has been demonstrated in multiple epidemiologic studies, which may benefit CRC prevention. A large body of evidence from preclinical studies indicates that expression of the estrogen receptor beta (ER beta/ESR2) demonstrates an inverse relationship with the presence of colorectal polyps and stage of tumors, and can mediate a protective response. Natural compounds, including phytoestrogens, or synthetic ER beta selective agonists, can activate or upregulate ER beta in the colon and promote apoptosis in preclinical models and in clinical experience. Importantly, this activity has been associated with a reduction in polyp formation and, in rodent models of CRC, has been shown to lower incidence of colon adenocarcinoma. Collectively, these findings indicate that targeted activation of ER beta may represent a novel clinical approach for management of colorectal adenomatous polyps and prevention of colorectal carcinoma in patients at risk for this condition. In this review, we discuss the potential of new chemopreventive or dietary approaches based on estrogen signaling.
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| 20. |
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| 21. |
- Zheng, Daoshan, et al.
(författare)
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Regulation of sex hormone receptors in sexual dimorphism of human cancers
- 2018
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Ingår i: Cancer Letters. - : Elsevier. - 0304-3835 .- 1872-7980. ; 438, s. 24-31
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Forskningsöversikt (refereegranskat)abstract
- Gender differences in the incidences of cancers have been found in almost all human cancers. However, the mechanisms that underlie gender disparities in most human cancer types have been under-investigated. Here, we provide a comprehensive overview of potential mechanisms underlying sexual dimorphism of each cancer regarding sex hormone signaling. Fully addressing the mechanisms of sexual dimorphism in human cancers will greatly benefit current development of precision medicine. Our discussions of potential mechanisms underlying sexual dimorphism in each cancer will be instructive for future cancer research on gender disparities.
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| 22. |
- Al-Haidari, Amr, et al.
(författare)
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MiR-155-5p controls colon cancer cell migration via post-transcriptional regulation of Human Antigen R (HuR)
- 2018
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Ingår i: Cancer Letters. - : Elsevier BV. - 0304-3835. ; 421, s. 145-151
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Tidskriftsartikel (refereegranskat)abstract
- Colorectal cancer (CRC) is the third most common cancer and a significant cause of cancer-related deaths worldwide. Metastasis is the worst prognostic factor for patients with CRC. HuR (ELAVL1) is overexpressed in CRC and has been reported to promote colon cancer growth by targeting RNA in the cell cytoplasm. Herein, the role of miR-155-5p in regulating HuR expression and cell migration was examined in colon cancer cells. MiR-155-5p knockdown in serum-starved colon cancer cells decreased both colon cancer cell chemotaxis and cytoplasmic expression of HuR. Bioinformatics analysis predicted two putative binding sites in the AU-rich elements (AREs) at the 3′-UTR of HuR mRNA. MiR-155-5p binding to HuR was verified using specific target site blockers and functionally validated by use of RNA immunoprecipitation assays, showing that miR-155-5p-dependent regulation of HuR expression is mediated by AREs. Targeting AREs with a specific blocker inhibited colon cancer cell migration. Taken together, these novel findings demonstrate that AREs mediate miR-155-5p positive regulation of HuR mRNA levels and translation as well as migration in colon cancer cells, suggesting that targeting miR-155-5p and/or Hur might be useful therapeutic strategies against colon cancer metastasis.
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| 23. |
- Bellamkonda, Kishan, et al.
(författare)
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Montelukast, a CysLT1 receptor antagonist, reduces colon cancer stemness and tumor burden in a mouse xenograft model of human colon cancer
- 2018
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Ingår i: Cancer Letters. - : Elsevier BV. - 0304-3835. ; 437, s. 13-24
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Tidskriftsartikel (refereegranskat)abstract
- Inflammation is implicated in the etiology of sporadic colon cancer (CC), which is one of the leading causes of cancer-related deaths worldwide. Here, we report that inhibition of the inflammatory receptor CysLT1 through its antagonist, montelukast, is beneficial in minimizing stemness in CC and thereby minimizing tumor growth in a mouse xenograft model of human colon cancer. Upon treatment with montelukast, colonospheres derived from HT-29 and SW-480 human colon cancer cells exhibited a significant phenotypic change coupled with the downregulation of mRNA and protein expression of cancer stem cell (CSC) markers ALDH1 and DCLK1. Moreover, montelukast reduced the size of HT-29 cell-derived tumors in mice. The reduction in tumor size was associated with decreased levels of ALDH1A1, DCLK1, BCL2 mRNA and macrophage infiltration into the tumor tissue. Interestingly, this treatment elevated levels of the tumor suppressor 15-PGDH while reducing COX-2 expression. Our data highlight the association of CysLT1R with CSCs and demonstrate that inhibition of CysLT1R could prove beneficial in minimizing CSC-induced tumor growth. This work advances the notion that targeting CSCs is a promising approach to improve outcomes in those afflicted with colon cancer.
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| 24. |
- Catela Ivkovic, Tina, et al.
(författare)
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MicroRNAs as cancer therapeutics : A step closer to clinical application
- 2017
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Ingår i: Cancer Letters. - : Elsevier BV. - 0304-3835. ; 407, s. 113-122
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Forskningsöversikt (refereegranskat)abstract
- During the last decades, basic and translational research has enabled great improvements in the clinical management of cancer. However, scarcity of complete remission and many drug-induced toxicities are still a major problem in the clinics. Recently, microRNAs (miRNAs) have emerged as promising therapeutic targets due to their involvement in cancer development and progression. Their extraordinary regulatory potential, which enables regulation of entire signalling networks within the cells, makes them an interesting tool for the development of cancer therapeutics. In this review we will focus on miRNAs with experimentally proven therapeutic potential, and discuss recent advances in the technical development and clinical evaluation of miRNA-based therapeutic agents.
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| 25. |
- Chen, Tianhui, et al.
(författare)
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Risk of second primary cancers after malignant mesothelioma and vice versa
- 2016
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Ingår i: Cancer Letters. - : Elsevier BV. - 0304-3835. ; 379:1, s. 94-99
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Tidskriftsartikel (refereegranskat)abstract
- We aimed at investigating risk of specific second primary cancers (SPCs) after malignant mesothelioma (MM) and vice versa, which has not been reported. Among survivors of 3672 pleural MM and 895 peritoneal MM, overall 113 and 28 SPCs were recorded, respectively, while reverse analyses included overall 431 pleural and 88 peritoneal MMs after any first cancers. We found a bidirectional association of pleural MM with kidney cancer for overall [for second kidney cancer after pleural MM: standardized incidence ratios (SIRs) = 4.4, 95% confidence intervals (CIs): 2.0-8.3; for second pleural MM after kidney cancer: 2.3 (1.3-3.9)] and for
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