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  • American Association for Cancer Research (AACR)  (3)
  • 1
    Online Resource
    Online Resource
    Matrix Metalloproteinase-12 Expression Correlates with Local Recurrence and Metastatic Disease in Non–Small Cell Lung Cancer Patients
    American Association for Cancer Research (AACR) ; 2005
    In:  Clinical Cancer Research Vol. 11, No. 3 ( 2005-02-01), p. 1086-1092
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 11, No. 3 ( 2005-02-01), p. 1086-1092
    Abstract: Purpose: Non–small cell lung cancer (NSCLC) is a very common and aggressive malignancy. Survival after resection of tumor is especially determined by the occurrence of distant metastasis. Matrix metalloproteinases (MMP) support this metastatic process by degradation of the extracellular matrix. Experimental Design: We used DNA microarray technology to examine the expression of 22 MMPs in 89 surgically treated NSCLC patients. Validation of microarray results was done using reverse transcription-PCR and immunohistology. Results: MMP-1, MMP-9, and MMP-12 expression was significantly increased in tumors versus corresponding lung tissues. MMP-12 expression significantly correlated with local recurrence and metastatic disease. Multivariate Cox regression analysis revealed MMP-12 expression as an independent prognostic factor for tumor relapse–free interval. Gene expression analysis of 158 healthy tissues from 32 different organs revealed no MMP-12 expression in these organs and immunohistology identified MMP-12 protein in NSCLC only in tumor cells. Conclusions: MMP-12 might be not only a prognostic marker, but also a valuable therapeutic target.
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.1086.11.3
    RVK:
    XA 36791
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2005
    detail.hit.zdb_id: 1225457-5
    detail.hit.zdb_id: 2036787-9
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  • 2
    Online Resource
    Online Resource
    Novel Theranostic Opportunities Offered by Characterization of Altered Membrane Lipid Metabolism in Breast Cancer Progression
    American Association for Cancer Research (AACR) ; 2011
    In:  Cancer Research Vol. 71, No. 9 ( 2011-05-01), p. 3236-3245
    Details
    In: Cancer Research, American Association for Cancer Research (AACR), Vol. 71, No. 9 ( 2011-05-01), p. 3236-3245
    Abstract: Activation of lipid metabolism is an early event in carcinogenesis and a central hallmark of many cancers. However, the precise molecular composition of lipids in tumors remains generally poorly characterized. The aim of the present study was to analyze the global lipid profiles of breast cancer, integrate the results to protein expression, and validate the findings by functional experiments. Comprehensive lipidomics was conducted in 267 human breast tissues using ultraperformance liquid chromatography/ mass spectrometry. The products of de novo fatty acid synthesis incorporated into membrane phospholipids, such as palmitate-containing phosphatidylcholines, were increased in tumors as compared with normal breast tissues. These lipids were associated with cancer progression and patient survival, as their concentration was highest in estrogen receptor–negative and grade 3 tumors. In silico transcriptomics database was utilized in investigating the expression of lipid metabolism related genes in breast cancer, and on the basis of these results, the expression of specific proteins was studied by immunohistochemistry. Immunohistochemical analyses showed that several genes regulating lipid metabolism were highly expressed in clinical breast cancer samples and supported also the lipidomics results. Gene silencing experiments with seven genes [ACACA (acetyl-CoA carboxylase α), ELOVL1 (elongation of very long chain fatty acid–like 1), FASN (fatty acid synthase), INSIG1 (insulin-induced gene 1), SCAP (sterol regulatory element–binding protein cleavage–activating protein), SCD (stearoyl-CoA desaturase), and THRSP (thyroid hormone–responsive protein)] indicated that silencing of multiple lipid metabolism–regulating genes reduced the lipidomic profiles and viability of the breast cancer cells. Taken together, our results imply that phospholipids may have diagnostic potential as well as that modulation of their metabolism may provide therapeutic opportunities in breast cancer treatment. Cancer Res; 71(9); 3236–45. ©2011 AACR.
    Type of Medium: Online Resource
    ISSN: 0008-5472 , 1538-7445
    URL: Article
    DOI: 10.1158/0008-5472.CAN-10-3894
    RVK:
    XA 36000
    RVK:
    XA 10000
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2011
    detail.hit.zdb_id: 2036785-5
    detail.hit.zdb_id: 1432-1
    detail.hit.zdb_id: 410466-3
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  • 3
    Online Resource
    Online Resource
    CD20-TCB with Obinutuzumab Pretreatment as Next-Generation Treatment of Hematologic Malignancies
    American Association for Cancer Research (AACR) ; 2018
    In:  Clinical Cancer Research Vol. 24, No. 19 ( 2018-10-01), p. 4785-4797
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 24, No. 19 ( 2018-10-01), p. 4785-4797
    Abstract: Purpose: Despite promising clinical activity, T-cell–engaging therapies including T-cell bispecific antibodies (TCB) are associated with severe side effects requiring the use of step-up-dosing (SUD) regimens to mitigate safety. Here, we present a next-generation CD20-targeting TCB (CD20-TCB) with significantly higher potency and a novel approach enabling safer administration of such potent drug. Experimental Design: We developed CD20-TCB based on the 2:1 TCB molecular format and characterized its activity preclinically. We also applied a single administration of obinutuzumab (Gazyva pretreatment, Gpt; Genentech/Roche) prior to the first infusion of CD20-TCB as a way to safely administer such a potent drug. Results: CD20-TCB is associated with a long half-life and high potency enabled by high-avidity bivalent binding to CD20 and head-to-tail orientation of B- and T-cell–binding domains in a 2:1 molecular format. CD20-TCB displays considerably higher potency than other CD20-TCB antibodies in clinical development and is efficacious on tumor cells expressing low levels of CD20. CD20-TCB also displays potent activity in primary tumor samples with low effector:target ratios. In vivo, CD20-TCB regresses established tumors of aggressive lymphoma models. Gpt enables profound B-cell depletion in peripheral blood and secondary lymphoid organs and reduces T-cell activation and cytokine release in the peripheral blood, thus increasing the safety of CD20-TCB administration. Gpt is more efficacious and safer than SUD. Conclusions: CD20-TCB and Gpt represent a potent and safer approach for treatment of lymphoma patients and are currently being evaluated in phase I, multicenter study in patients with relapsed/refractory non-Hodgkin lymphoma (NCT03075696). Clin Cancer Res; 24(19); 4785–97. ©2018 AACR. See related commentary by Prakash and Diefenbach, p. 4631
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.CCR-18-0455
    RVK:
    XA 36791
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2018
    detail.hit.zdb_id: 1225457-5
    detail.hit.zdb_id: 2036787-9
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