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  • American Association for Cancer Research (AACR)  (153)
  • 1
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    Online Resource
    Targeting c-Myc to Overcome Acquired Resistance of EGFR Mutant NSCLC Cells to the Third-Generation EGFR Tyrosine Kinase Inhibitor, Osimertinib
    American Association for Cancer Research (AACR) ; 2021
    In:  Cancer Research Vol. 81, No. 18 ( 2021-09-15), p. 4822-4834
    Details
    In: Cancer Research, American Association for Cancer Research (AACR), Vol. 81, No. 18 ( 2021-09-15), p. 4822-4834
    Abstract: Osimertinib (AZD9291 or TAGRISSO) is a promising and approved third-generation EGFR tyrosine kinase inhibitor (TKI) for treating patients with advanced non–small cell lung cancer (NSCLC) harboring EGFR-activating mutations or the resistant T790M mutation. However, the inevitable emergence of acquired resistance limits its long-term efficacy. A fuller understanding of the mechanism of action of osimertinib and its linkage to acquired resistance will enable the development of more efficacious therapeutic strategies. Consequently, we have identified a novel connection between osimertinib or other EGFR-TKIs and c-Myc. Osimertinib rapidly and sustainably decreased c-Myc levels primarily via enhancing protein degradation in EGFR-mutant (EGFRm) NSCLC cell lines and xenograft tumors. c-Myc levels were substantially elevated in different EGFRm NSCLC cell lines with acquired resistance to osimertinib in comparison with their corresponding parental cell lines and could not be reduced any further by osimertinib. Consistently, c-Myc levels were elevated in the majority of EGFRm NSCLC tissues relapsed from EGFR-TKI treatment compared with their corresponding untreated baseline c-Myc levels. Suppression of c-Myc through knockdown or pharmacologic targeting with BET inhibitors restored the response of resistant cell lines to osimertinib. These findings indicate that c-Myc modulation mediates the therapeutic efficacy of osimertinib and the development of osimertinib acquired resistance. Furthermore, they establish c-Myc as a potential therapeutic target and warrant clinical testing of BET inhibition as a potential strategy to overcome acquired resistance to osimertinib or other EGFR inhibitors. Significance: This study demonstrates a critical role of c-Myc modulation in mediating therapeutic efficacy of osimertinib including osimertinib acquired resistance and suggests targeting c-Myc as a potential strategy to overcome osimertinib acquired resistance.
    Type of Medium: Online Resource
    ISSN: 0008-5472 , 1538-7445
    URL: Article
    DOI: 10.1158/0008-5472.CAN-21-0556
    RVK:
    XA 36000
    RVK:
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    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2021
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  • 2
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    Abstract 2005: The evolutionarily conserved gene expression signatures SPARC and SPP1 are genetic determinants of progression from Barrett's esophagus to esophageal adenocarcinoma
    American Association for Cancer Research (AACR) ; 2010
    In:  Cancer Research Vol. 70, No. 8_Supplement ( 2010-04-15), p. 2005-2005
    Details
    In: Cancer Research, American Association for Cancer Research (AACR), Vol. 70, No. 8_Supplement ( 2010-04-15), p. 2005-2005
    Abstract: Esophageal adenocarcinoma (EAC) is thought to arise from the metaplastic condition known as Barrett's esophagus (BE), which is caused by chronic inflammation due to gastroesophageal reflux disease. Since the molecular mechanisms underlying the pathogenesis of EAC are unknown, understanding EAC development mechanisms and their regulation is crucial for the treatment of EAC. Comparative genomic studies of evolutionarily similar and dissimilar species have been suggested as a means of studying the evolutionary biology in the species. Thus, we performed a cross-species comparison of gene expression patterns in human and rat tissues, uncovering the evolutionarily conserved gene expression patterns during EAC progression across both species. Using a non-carcinogenic rat model that progresses from normal esophagus to BE to EAC, we were able to identify the biological mechanisms of EAC development. We analyzed gene expression data from rat specimens (15 NE, 18 BE, and 30 EAC) as well as from human tissues (28NE, 72BE, and 75EAC). Using the presence of orthologous genes in both microarray platforms and various statistical tests, we uncovered a number of genes whose expression patterns were well conserved during progression from NE to BE in humans and rats. The expression of 869 genes was commonly altered when NE progressed to BE in both humans and rats (P & lt;0.005). One of the most significantly conserved signaling pathways during the progression from NE to BE was IL-6-mediated E2F transcription factor1 (E2F1). The increased E2F1 induced activation of CCNA2, CCNB2, CCND1, CCNE 1 and 2, CDC 2 and 6, CASP3, CASP6, CASP8, CASP9, and Rad 51, which are important genes for the regulation of cell cycle, apoptosis, and DNA repair. These up-regulated genes may consequently cause abnormal cell cycle regulation and induce dysplasia and metaplasia of normal esophagus tissue during NE to BE progression. During BE to EAC progression in both species, 541 gene expressions were altered (P & lt;0.005). An increased TGF-β/RAS/SPI1 signaling pathway significantly increased the expression of SPARC and SPP1 during progression from BE to EAC. Increased SPP1 and SPARC activated MMP9, CCL2, CCL4, COL1A1, COL3A1, and SNAL1, which mostly function in invasion, cell adhesion, and migration. Intriguingly, SPP1 and SPARC already had been discovered in our previous study (Kim et al.,) as markers of poor prognosis for EAC patients, strongly indicating that SPP1 and SPARC are also genetic determinants for progression to EAC. In conclusion, systems-level characterization of gene expression data from humans and a rodent model shows evolutionarily conserved genes and pathways during EAC progression, and these genes and pathways could become reliable biomarkers for early detection, or therapeutic targets for the treatment of EAC patients. Citation Format: {Authors}. {Abstract title} [abstract]. In: Proceedings of the 101st Annual Meeting of the American Association for Cancer Research; 2010 Apr 17-21; Washington, DC. Philadelphia (PA): AACR; Cancer Res 2010;70(8 Suppl):Abstract nr 2005.
    Type of Medium: Online Resource
    ISSN: 0008-5472 , 1538-7445
    URL: Article
    DOI: 10.1158/1538-7445.AM10-2005
    RVK:
    XA 36000
    RVK:
    XA 10000
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2010
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  • 3
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    KEAP1 Is a Redox Sensitive Target That Arbitrates the Opposing Radiosensitive Effects of Parthenolide in Normal and Cancer Cells
    American Association for Cancer Research (AACR) ; 2013
    In:  Cancer Research Vol. 73, No. 14 ( 2013-07-15), p. 4406-4417
    Details
    In: Cancer Research, American Association for Cancer Research (AACR), Vol. 73, No. 14 ( 2013-07-15), p. 4406-4417
    Abstract: Elevated oxidative stress is observed more frequently in cancer cells than in normal cells. It is therefore expected that additional exposure to a low level of reactive oxygen species (ROS) will push cancer cells toward death, whereas normal cells might maintain redox homeostasis through adaptive antioxidant responses. We previously showed that parthenolide enhances ROS production in prostate cancer cells through activation of NADPH oxidase. The present study identifies KEAP1 as the downstream redox target that contributes to parthenolide's radiosensitization effect in prostate cancer cells. In vivo, parthenolide increases radiosensitivity of mouse xenograft tumors but protects normal prostate and bladder tissues against radiation-induced injury. Mechanistically, parthenolide increases the level of cellular ROS and causes oxidation of thioredoxin (TrX) in prostate cancer cells, leading to a TrX-dependent increase in a reduced state of KEAP1, which in turn leads to KEAP1-mediated PGAM5 and Bcl-xL (BCL2L1) degradation. In contrast, parthenolide increases oxidation of KEAP1 in normal prostate epithelial cells, leading to increased Nrf2 (NFE2L2) levels and subsequent Nrf2-dependent expression of antioxidant enzymes. These results reveal a novel redox-mediated modification of KEAP1 in controlling the differential effect of parthenolide on tumor and normal cell radiosensitivity. Furthermore, they show it is possible to develop a tumor-specific radiosensitizing agent with radioprotective properties in normal cells. Cancer Res; 73(14); 4406–17. ©2013 AACR.
    Type of Medium: Online Resource
    ISSN: 0008-5472 , 1538-7445
    URL: Article
    DOI: 10.1158/0008-5472.CAN-12-4297
    RVK:
    XA 36000
    RVK:
    XA 10000
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2013
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  • 4
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    Differential Sensitivity of Glioma- versus Lung Cancer–Specific EGFR Mutations to EGFR Kinase Inhibitors
    American Association for Cancer Research (AACR) ; 2012
    In:  Cancer Discovery Vol. 2, No. 5 ( 2012-05-01), p. 458-471
    Details
    In: Cancer Discovery, American Association for Cancer Research (AACR), Vol. 2, No. 5 ( 2012-05-01), p. 458-471
    Abstract: Activation of the epidermal growth factor receptor (EGFR) in glioblastoma (GBM) occurs through mutations or deletions in the extracellular (EC) domain. Unlike lung cancers with EGFR kinase domain (KD) mutations, GBMs respond poorly to the EGFR inhibitor erlotinib. Using RNAi, we show that GBM cells carrying EGFR EC mutations display EGFR addiction. In contrast to KD mutants found in lung cancer, glioma-specific EGFR EC mutants are poorly inhibited by EGFR inhibitors that target the active kinase conformation (e.g., erlotinib). Inhibitors that bind to the inactive EGFR conformation, however, potently inhibit EGFR EC mutants and induce cell death in EGFR-mutant GBM cells. Our results provide first evidence for single kinase addiction in GBM and suggest that the disappointing clinical activity of first-generation EGFR inhibitors in GBM versus lung cancer may be attributed to the different conformational requirements of mutant EGFR in these 2 cancer types. Significance: Approximately 40% of human glioblastomas harbor oncogenic EGFR alterations, but attempts to therapeutically target EGFR with first-generation EGFR kinase inhibitors have failed. Here, we demonstrate selective sensitivity of glioma-specific EGFR mutants to ATP-site competitive EGFR kinase inhibitors that target the inactive conformation of the catalytic domain. Cancer Discov; 2(5); 458–71. ©2012 AACR. Read the Commentary on this article by Park and Lemmon, p. 398. This article is highlighted in the In This Issue feature, p. 377.
    Type of Medium: Online Resource
    ISSN: 2159-8274 , 2159-8290
    URL: Article
    DOI: 10.1158/2159-8290.CD-11-0284
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2012
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  • 5
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    Abstract P3-08-09: Clinical and Pathological Characteristics of Breast Cancer in Women with Neurofibromatosis Type 1
    American Association for Cancer Research (AACR) ; 2012
    In:  Cancer Research Vol. 72, No. 24_Supplement ( 2012-12-15), p. P3-08-09-P3-08-09
    Details
    In: Cancer Research, American Association for Cancer Research (AACR), Vol. 72, No. 24_Supplement ( 2012-12-15), p. P3-08-09-P3-08-09
    Abstract: Background: Neurofibromatosis type 1(NF1) is an autosomal dominant genetic disorder affecting 1 in 3,000 individuals worldwide. Risk of cancer, including breast cancer, is increased, as NF1 is a tumour suppressor gene. There is limited data on the characteristics of breast cancer in individuals with NF1. Objectives: To study the clinical and pathological characteristics of breast cancer in women with NF1. Methodology: Patients with both NF1 and breast cancer were identified retrospectively from hospital records as well as prospectively when seen at National Cancer Centre Singapore (NCCS) and Singapore General Hospital (SGH). All women had histologically proven breast cancer and fulfilled at least 2 of the 7 criteria developed by the NIH Consensus Conference for clinical diagnosis of NF1. Germline NF1 mutation sequencing is being performed on patients with blood specimens available. Details on patient demographics, tumour grade, stage, receptor status and clinical outcome were evaluated. The pathological characteristics of NF1-associated breast cancer were then compared to sporadic breast cancers in our 2001–2004 cohort, with a focus on grade and HER2 positivity rate. Results: We identified 13 women with NF1 and breast cancer seen at our institutions from 2001 to present date. Average age of breast cancer diagnosis for women testing positive was 48 years (range 30–64). All 13 patients had invasive ductal carcinoma; of which 5 were stage 3 or 4 at diagnosis. To date, 4 out of 12 patients with stage 1–3 breast cancer have relapsed. Grade, estrogen, progesterone and HER2 receptor status were fully available for 12 patients. Ten out of 12 tumours (83%) were grade 3, compared to 45% (705/1578) among our sporadic breast cancers (p = 0.007). Eight out of 12(67%) NF1-associated breast cancers were HER2 positive (IHC 3+ or FISH positive), compared to 27% (367/1367) in sporadic cancers (p = 0.002). Two other NF1-associated tumours were triple negative, and two were hormone receptor positive and HER2 negative. Six out of 12 (50%) NF1-associated cancers were estrogen receptor (ER) positive, compared to 67% (1124/1689) in sporadic cancers (p = 0.2). Conclusion: Our findings suggest that NF1-associated breast cancer tends to be more aggressive, with a higher frequency of grade 3 and HER2 positive tumours compared to sporadic breast cancer. Further genomic profiling of these tumours (in progress) may elucidate the role of NF1 in breast cancer. This may also have implications for sporadic tumours with somatic NF1 mutations in individuals without NF1. Citation Information: Cancer Res 2012;72(24 Suppl):Abstract nr P3-08-09.
    Type of Medium: Online Resource
    ISSN: 0008-5472 , 1538-7445
    URL: Article
    DOI: 10.1158/0008-5472.SABCS12-P3-08-09
    RVK:
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    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2012
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  • 6
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    Single-Strand DNA-Binding Protein SSB1 Facilitates TERT Recruitment to Telomeres and Maintains Telomere G-Overhangs
    American Association for Cancer Research (AACR) ; 2015
    In:  Cancer Research Vol. 75, No. 5 ( 2015-03-01), p. 858-869
    Details
    In: Cancer Research, American Association for Cancer Research (AACR), Vol. 75, No. 5 ( 2015-03-01), p. 858-869
    Abstract: Proliferating mammalian stem and cancer cells express telomerase [telomerase reverse transcriptase (TERT)] in an effort to extend chromosomal G-overhangs and maintain telomere ends. Telomerase-expressing cells also have higher levels of the single-stranded DNA-binding protein SSB1, which has a critical role in DNA double-strand break (DSB) repair. Here, we report that SSB1 binds specifically to G-strand telomeric DNA in vitro and associates with telomeres in vivo. SSB1 interacts with the TERT catalytic subunit and regulates its interaction with telomeres. Deletion of SSB1 reduces TERT interaction with telomeres and leads to G-overhang loss. Although SSB1 is recruited to DSB sites, we found no corresponding change in TERT levels at these sites, implying that SSB1–TERT interaction relies upon a specific chromatin structure or context. Our findings offer an explanation for how telomerase is recruited to telomeres to facilitate G-strand DNA extension, a critical step in maintaining telomere ends and cell viability in all cancer cells. Cancer Res; 75(5); 858–69. ©2015 AACR.
    Type of Medium: Online Resource
    ISSN: 0008-5472 , 1538-7445
    URL: Article
    DOI: 10.1158/0008-5472.CAN-14-2289
    RVK:
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    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2015
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  • 7
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    Development of a Real-time RT-PCR Assay for Detecting EGFRvIII in Glioblastoma Samples
    American Association for Cancer Research (AACR) ; 2008
    In:  Clinical Cancer Research Vol. 14, No. 2 ( 2008-01-15), p. 488-493
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 14, No. 2 ( 2008-01-15), p. 488-493
    Abstract: Purpose: Epidermal growth factor receptor variant III (EGFRvIII) is an oncogenic, constitutively active mutant form of the EGFR that is commonly expressed in glioblastoma and is also detected in a number of epithelial cancers. EGFRvIII presents a unique antigenic target for anti-EGFRvIII vaccines and it has been shown to modulate response to EGFR kinase inhibitor therapy. Thus, detection in clinical samples may be warranted. Existing patents preclude the use of anti-EGFRvIII antibodies for clinical detection. Further, frozen tissue is not routinely available, particularly for patients treated in the community. Thus, detection of EGFRvIII in formalin-fixed paraffin-embedded (FFPE) clinical samples is a major challenge. Experimental Design: We developed a real-time reverse transcription-PCR (RT-PCR) assay for detecting EGFRvIII in FFPE samples and analyzed 59 FFPE glioblastoma clinical samples with paired frozen tissue from the same surgical resection. We assessed EGFRvIII protein expression by immunohistochemistry using two distinct specific anti-EGFRvIII antibodies and examined EGFR gene amplification by fluorescence in situ hybridization. Results: The FFPE RT-PCR assay detected EGFRvIII in 16 of 59 (27%) samples, exclusively in cases with EGFR amplification, consistent with the expected frequency of this alteration. The FFPE RT-PCR assay was more sensitive and specific for detecting EGFRvIII than either of the two antibodies alone, or in combination, with a sensitivity of 93% (95% confidence interval, 0.78-1.00) and a specificity of 98% (95% confidence interval, 0.93-1.00). Conclusion: This assay will facilitate accurate assessment of EGFRvIII in clinical samples and may aid in the development of strategies for stratifying patients for EGFRvIII-directed therapies.
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.CCR-07-1966
    RVK:
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    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2008
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  • 8
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    Abstract 1788: A high-throughput chemical genetic screen reveals SALL4-induced metabolic vulnerabilities in cancer
    American Association for Cancer Research (AACR) ; 2020
    In:  Cancer Research Vol. 80, No. 16_Supplement ( 2020-08-15), p. 1788-1788
    Details
    In: Cancer Research, American Association for Cancer Research (AACR), Vol. 80, No. 16_Supplement ( 2020-08-15), p. 1788-1788
    Abstract: Transcription factors are important drivers of cancer but the development of therapeutics against these factors has had limited success. We developed a stringent high-throughput chemical genetic screening platform to identify compounds that target oncogenic transcription factor SALL4 dependency in liver cancer. The platform comprises SALL4 low- and high-expressing endogenous and engineered isogenic liver cancer cell lines. Unexpectedly, from screening 21,575 natural product extracts, the top hits were four oxidative phosphorylation inhibitors that selectively reduced SALL4-dependent cell viability. The ATP synthase inhibitor oligomycin suppressed SALL4-expressing cancer in lung and liver cancer cell culture models, and in patient-derived xenograft models of liver cancer. Oligomycin also synergized with sorafenib, the standard-of-care targeted therapy in liver cancer, to effectively suppress SALL4-driven tumorigenesis in vivo. When aberrantly expressed in cancer, SALL4 binds ~50% of mitochondrial genes, including many oxidative phosphorylation genes, to predominantly upregulate their expression. SALL4 upregulation also alters the levels of oxidative phosphorylation-related metabolites and functionally increases oxidative phosphorylation activity. Application of our endogenous/isogenic transcription factor-screening platform revealed a therapeutically actionable oxidative phosphorylation vulnerability in SALL4-expressing cancers. Citation Format: Justin L. Tan, Feng Li, Joanna Z. Yeo, Kol Jia Yong, Mahmoud A. Bassal, Guo Hao Ng, May Yin Lee, Chung Yan Leong, Hong Kee Tan, Chan-Shuo Wu, Bee Hui Liu, Hon Man Chan, Zi Hui Tan, Yun Shen Chan, Siyu Wang, Zhi Han Lim, Tan Boon Toh, Lissa Hooi, Kia Ngee Low, Siming Ma, Nikki R. Kong, Alicia J. Stein, Yue Wu, Matan T. Thangavelu, Atsushi Suzuki, Giridharan Periyasamy, John M. Asara, Yock Young Dan, Glenn K. Bonney, Edward K. Chow, Guo-Dong Lu, Huck Hui Ng, Yoganathan Kanagasundaram, Siew Bee Ng, Wai Leong Tam, Li Chai, Daniel G. Tenen. A high-throughput chemical genetic screen reveals SALL4-induced metabolic vulnerabilities in cancer [abstract]. In: Proceedings of the Annual Meeting of the American Association for Cancer Research 2020; 2020 Apr 27-28 and Jun 22-24. Philadelphia (PA): AACR; Cancer Res 2020;80(16 Suppl):Abstract nr 1788.
    Type of Medium: Online Resource
    ISSN: 0008-5472 , 1538-7445
    URL: Article
    DOI: 10.1158/1538-7445.AM2020-1788
    RVK:
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    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2020
    detail.hit.zdb_id: 2036785-5
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  • 9
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    Abstract 3449: Development of small molecule Bcl-XL inhibitors for treatment of lung cancer.
    American Association for Cancer Research (AACR) ; 2013
    In:  Cancer Research Vol. 73, No. 8_Supplement ( 2013-04-15), p. 3449-3449
    Details
    In: Cancer Research, American Association for Cancer Research (AACR), Vol. 73, No. 8_Supplement ( 2013-04-15), p. 3449-3449
    Abstract: Bcl-XL is a major anti-apoptotic protein in the Bcl-2 family whose overexpression is more widely observed in human lung cancer cells than that of Bcl-2, suggesting that Bcl-XL is more biologically relevant and therefore a better therapeutic target for lung cancer. Here, we screened small molecules that selectively target the BH3 domain (aa 90-98) binding pocket of Bcl-XL using the UCSF DOCK 6.1 program suite and the NCI chemical library database. We identified two new Bcl-XL inhibitors (BXI-61 and BXI-72) that exhibit selective toxicity against lung cancer cells compared with normal human bronchial epithelial cells. Fluorescence polarization assay reveals that BXI-61 and BXI-72 preferentially bind to Bcl-XL protein but not Bcl2 in vitro with high binding affinities. Treatment of cells with BXI-72 results in disruption of Bcl-XL/Bak interaction, oligomerization of Bak and cytochrome c release from mitochondria. These two BXI compounds potently repress lung cancer xenografts in vivo without significant normal tissue toxicity within effective doses. Importantly, BXI-72 can also overcome acquired radioresistance of lung cancer. Based on our findings, the development of BXI(s) as a new class of anticancer agents is warranted and represents a novel strategy for improving lung cancer outcome. Citation Format: Dongkyoo Park, Andrew T. Magis, Rui Li, Taofeek K. K. Owonikoko, Gabriel L. Sica, Shi-Yong Sun, Suresh S. Ramalingam, Fadlo R. Khuri, Walter J. Curran, Xingming Deng. Development of small molecule Bcl-XL inhibitors for treatment of lung cancer. [abstract]. In: Proceedings of the 104th Annual Meeting of the American Association for Cancer Research; 2013 Apr 6-10; Washington, DC. Philadelphia (PA): AACR; Cancer Res 2013;73(8 Suppl):Abstract nr 3449. doi:10.1158/1538-7445.AM2013-3449
    Type of Medium: Online Resource
    ISSN: 0008-5472 , 1538-7445
    URL: Article
    DOI: 10.1158/1538-7445.AM2013-3449
    RVK:
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    RVK:
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    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2013
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  • 10
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    Polymorphisms in Inflammation Pathway Genes and Endometrial Cancer Risk
    American Association for Cancer Research (AACR) ; 2013
    In:  Cancer Epidemiology, Biomarkers & Prevention Vol. 22, No. 2 ( 2013-02-01), p. 216-223
    Details
    In: Cancer Epidemiology, Biomarkers & Prevention, American Association for Cancer Research (AACR), Vol. 22, No. 2 ( 2013-02-01), p. 216-223
    Abstract: Background: Experimental and epidemiologic evidence have suggested that chronic inflammation may play a critical role in endometrial carcinogenesis. Methods: To investigate this hypothesis, a two-stage study was carried out to evaluate single-nucleotide polymorphisms (SNP) in inflammatory pathway genes in association with endometrial cancer risk. In stage I, 64 candidate pathway genes were identified and 4,542 directly genotyped or imputed SNPs were analyzed among 832 endometrial cancer cases and 2,049 controls, using data from the Shanghai Endometrial Cancer Genetics Study. Linkage disequilibrium of stage I SNPs significantly associated with endometrial cancer (P & lt; 0.05) indicated that the majority of associations could be linked to one of 24 distinct loci. One SNP from each of the 24 loci was then selected for follow-up genotyping. Of these, 21 SNPs were successfully designed and genotyped in stage II, which consisted of 10 additional studies including 6,604 endometrial cancer cases and 8,511 controls. Results: Five of the 21 SNPs had significant allelic odds ratios (ORs) and 95% confidence intervals (CI) as follows: FABP1, 0.92 (0.85–0.99); CXCL3, 1.16 (1.05–1.29); IL6, 1.08 (1.00–1.17); MSR1, 0.90 (0.82–0.98); and MMP9, 0.91 (0.87–0.97). Two of these polymorphisms were independently significant in the replication sample (rs352038 in CXCL3 and rs3918249 in MMP9). The association for the MMP9 polymorphism remained significant after Bonferroni correction and showed a significant association with endometrial cancer in both Asian- and European-ancestry samples. Conclusions: These findings lend support to the hypothesis that genetic polymorphisms in genes involved in the inflammatory pathway may contribute to genetic susceptibility to endometrial cancer. Impact statement: This study adds to the growing evidence that inflammation plays an important role in endometrial carcinogenesis. Cancer Epidemiol Biomarkers Prev; 22(2); 216–23. ©2012 AACR.
    Type of Medium: Online Resource
    ISSN: 1055-9965 , 1538-7755
    URL: Article
    DOI: 10.1158/1055-9965.EPI-12-0903
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2013
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