professor michael clarke biography

We used xenograft tumors of MDA-MB-231 cells as well as a low passage xenograft tumor from orthotopically injected patient-derived breast tumor cells. These results indicate that addition of combinations of hematopoietic CSFs, together with a rapid medium exchange rate, can provide culture conditions that are suitable for the expansion of the progenitor cell pool and perhaps for the increased survival of hematopoietic stem cells in culture. Lobo, N. A., Zabala, M., Qian, D., Clarke, M. F. Serially transplantable mammary epithelial cells express the Thy-1 antigen. The tumorigenic cells displayed stem cell-like properties in that they were capable of generating new tumors containing additional stem cells as well as regenerating the phenotypically mixed populations of non-tumorigenic cells present in the original tumor. The inhibitory effect on F-MEL differentiation appeared to be independent of the early decline in c-myc transcripts which were normally regulated in all cases examined. He was the founding Director of the International Policy Institute at King's College London from 2001-2005 and Head of the School of Social Science and Public Policy at KCL in 2004-05. Patients were eligible for a second cycle if disease progression was absent and performance status allowed. In six of seven tumors examined, Thy1+CD24+ cancer cells, which constituted approximately 1%-4% of tumor cells, were highly enriched for cells capable of regenerating new tumors compared with cells of the tumor that did not fit this profile ("not-Thy1+CD24+"). (2007) analyze the relationship between CSC and tumor metastasis. Adjunct Associate Professor Jon Womersley. View details for Web of Science ID A1983RE64300046. Analysis of patient tumor and matched adjacent normal (nontumor) tissue revealed that CD47 is overexpressed on cancer cells. Together, these data demonstrate a similar yet asynchronous inter- and intra-organ progression of ageing, providing a foundation from which to track systemic sources of declining health at old age. Both fragments formed complexes with electrophoretic mobilities of nucleosomes containing the appropriate length of DNA. These results indicate that, similar to normal tissue stem cells, subsets of CSCs in some tumours contain lower ROS levels and enhanced ROS defences compared to their non-tumorigenic progeny, which may contribute to tumour radioresistance. LEFTY1 binds BMPR2 to suppress BMP7-induced activation of SMAD5, and this LEFTY1-BMPR2 interaction is specific to tumor-initiating cells in triple-negative breast cancer xenografts that rely on LEFTY1 for growth. In recent years solid tumors were studied utilizing similar techniques in mice. (2010) dissect the gene expression signature of ES cells into three functional modules and find that the Myc module, including genes targeted by Myc-interacting proteins, accounts for most of the similarity between ES and cancer cells. His best known works are the script he wrote with American film director Stanley Kubrick for 2001: A Space Odyssey (1968) and the novel of that film. Despite intensive study of p53, the regulation of p53 cellular localization is still poorly understood. The SUVlean of residual viable tumors (4.51 +/- 1.34 [mean +/- SD]) was higher than that of mature teratoma (1.38 +/- 0.71) and necrosis or scar (1.05 +/- 0.29) (P < .05). By complementation of the E1a protein in trans, Ad5ERE2 allows restricted replication of a conventional E1a-deleted adenoviral vector. A., Li, Q., Mahmoudabadi, G., McGeever, A., Olivieri, J. E., Park, M., Ravikumar, N., Stanley, G., Tan, W., Tarashansky, A. J., Vanheusden, R., Wang, P., Wang, S., Xing, G., Xu, C., Yosef, N., Culver, R., Dethlefsen, L., Ho, P., Liu, S., Maltzman, J. S., Metzger, R. J., Sasagawa, K., Sinha, R., Song, H., Wang, B., Artandi, S. E., Beachy, P. A., Clarke, M. F., Giudice, L. C., Huang, F. W., Huang, K. C., Idoyaga, J., Kim, S. K., Kuo, C. S., Nguyen, P., Rando, T. A., Red-Horse, K., Reiter, J., Relman, D. A., Sonnenburg, J. L., Wu, A., Wu, S. M., Wyss-Coray, T. Molecular hallmarks of heterochronic parabiosis at single-cell resolution. [2] Patients who do poorly despite ABMT have a mediastinal primary site, true cisplatin-refractory disease, disease progression prior to ABMT, and/or markedly elevated betaHCG at ABMT. Regulation of the Wnt pathway in stem cells and primary tissues is still poorly understood. Lee, J. J., Rothenberg, M. E., Seeley, E. S., Zimdahl, B., Kawano, S., Lu, W., Shin, K., Sakata-Kato, T., Chen, J. K., Diehn, M., Clarke, M. F., Beachy, P. A. View details for Web of Science ID A1994PC47400008. Parks, I. K., Klug, C. A., Li, K. J., Jerabek, L., Li, L. H., Nanamori, M., Neubig, R. R., Hood, L., Weissman, I. L., Clarke, M. F. A novel, conditionally replicative adenovirus for the treatment of breast cancer that allows controlled replication of E1a-deleted adenoviral vectors. Jasty, R., Lu, J. Y., Irwin, T., Suchard, S., Clarke, M. F., Castle, V. P. Cooperation of a single lysine mutation and a C-terminal domain in the cytoplasmic sequestration of the p53 protein, A method of limited replication for the efficient in vivo delivery of adenovirus to cancer cells. CD47 is expressed at different levels by neoplastic and normal cells. View details for DOI 10.1038/s41586-018-0590-4, View details for DOI 10.1126/science.aal3485, View details for Web of Science ID 000399540100053. Finally, although the two human tumors were derived from diverse genetic backgrounds, we found that their migratory tumor cells exhibited coordinated gene expression changes that led to the same end-phenotype of enhanced migration involving activating actin polymerization and myosin contraction. High-level expression of the c-sis oncogene, which encodes the beta chain of platelet-derived growth factor, transforms immortalized rodent fibroblasts in vitro to a malignant phenotype. A Quiescent Bcl11b High Stem Cell Population Is Required for Maintenance of the Mammary Gland. The Weight can be changed regularly, here we have added the latest value. CLARKE Michael Function : Distinguished Fellow, Royal United Services Institute (RUSI) Political Committee, Saturday 12 October Biography Professor Michael Clarke was Director General of the Royal United Services Institute from 2007-2015, where he remains a Distinguished Fellow. These models recapitulate human cancer features not captured with previous models, including spontaneous metastasis in particular, and provide a useful platform for studies of breast tumor initiation and progression. These include the nuclear import and export signals of p53, inhibition of p53 nuclear import and export by oligomerization, MDM2-mediated p53 nuclear export, and possible roles of p53 phosphorylation in regulating p53 cellular localization. Liu, T. X., Becker, M. W., Jelinek, J., Wu, W., Deng, M., Mikhalkevich, N., Hsu, K., Bloomfield, C. D., Stone, R. M., DeAngelo, D. J., Galinsky, I. We investigated the existence of colonic Paneth-like cells that have a distinct transcriptional signature and support Lgr5(+) stem cells.We used multicolor fluorescence-activated cell sorting to isolate different subregions of colon crypts, based on known markers, from dissociated colonic epithelium of mice. However, no indomethacin or ETYA inhibition of oxygen utilization was detected in the presence of 1 mM KCN, suggesting that the inhibitable portion of the respiratory burst observed with indomethacin or ETYA was dependent on mitochondrial respiration. Prince, M. E., Sivanandan, R., Kaczorowski, A., Wolf, G. T., Kaplan, M. J., Dalerba, P., Weissman, I. L., Clarke, M. F., Ailles, L. E. Chromosome 5q deletion and epigenetic suppression of the gene encoding alpha-catenin (CTNNA1) in myeloid cell transformation. ALTERATION OF P53 CONFORMATION AND INDUCTION OF APOPTOSIS IN A MURINE ERYTHROLEUKEMIA CELL-LINE BY DIMETHYLSULFOXIDE, C-MYC AND BCL-2 MODULATE P53 FUNCTION BY ALTERING P53 SUBCELLULAR TRAFFICKING DURING THE CELL-CYCLE. To solve this problem, a new generation of tumor-specific, conditionally replicative adenoviruses is being developed. In addition, wild-type p53 expression also prevented FdUrd-induced DNA double-strand breaks and, unexpectedly, single-strand breaks in parental (mature) DNA. Dr. Jim Clarke is an Adjunct Professor of Civil and Environmental Engineering and an Adjunct Professor of Earth and Environmental Sciences at Vanderbilt University. Mcl1, Tel/Etv6, Gfi1, Pten and Stat5) have been identified. Lactate dehydrogenase-elevating virus (LDV) can infect transplantable mouse tumors or xenograft tumors in mice through LDV-contaminated mouse biological materials, such as Matrigel, or through mice infected with LDV. Morrison, S., Park, I., Qian, D. L., Jerabek, L., Weissman, I., Clarke, M. F. Retroviral infection is limited by Brownian motion. He also carries out research into the cellular responses to anti-cancer drugs. We compared commercially available single-cell RNA amplification methods with both microliter and nanoliter volumes, using sequence from bulk total RNA and multiplexed quantitative PCR as benchmarks to systematically evaluate the sensitivity and accuracy of various single-cell RNA-seq approaches. Professor. Hernandez-Alcoceba, R., Pihalja, M., Wicha, M. S., Clarke, M. F. A bipartite nuclear localization signal is required for p53 nuclear import regulated by a carboxyl-terminal domain, Germ cell tumor: Differentiation of viable tumor, mature teratoma, and necrotic tissue with FDG PET and kinetic modeling. However, at later times X-ray irradiated parental DP16-1 cells also had decreased survival compared to the unirradiated control. View details for Web of Science ID 000166430900009. View details for Web of Science ID A1986A778300041. miR-200c inhibited the clonal expansion of breast cancer cells and suppressed the growth of embryonal carcinoma cells in vitro. The simulation demonstrates that removal of stem cells is a possible mechanism leading to culture decline. Human breast tumors contain a breast cancer stem cell (BCSC) population with properties reminiscent of normal stem cells. Gulati, G. S., Sikandar, S. S., Wesche, D. J., Manjunath, A. n., Bharadwaj, A. n., Berger, M. J., Ilagan, F. n., Kuo, A. H., Hsieh, R. W., Cai, S. n., Zabala, M. n., Scheeren, F. A., Lobo, N. A., Qian, D. n., Yu, F. B., Dirbas, F. M., Clarke, M. F., Newman, A. M. Ageing hallmarks exhibit organ-specific temporal signatures. James Mallet (* 1955), Evolutionsbiologe und Entomologe. Genomic DNA extracted at 32.5 degrees C was seen to be fragmented into a characteristic ladder consistent with cell death due to apoptosis. The safety and efficacy of targeting CD47 was further tested and validated in immune competent hosts using an orthotopic mouse breast cancer model. miR-142 regulates the tumorigenicity of human breast cancer stem cells through the canonical WNT signaling pathway. Recent studies elucidated the presence of cancer stem cells that have the exclusive ability to regenerate tumors. He is a board certified oncologist with extensive training in molecular biology and stem cell biology. The tight regulation of E1A expression correlated with the ability of these viruses to replicate and kill human cancer cells that express estrogen receptors, or are maintained under hypoxic conditions. Single-cell RNA sequencing (scRNA-seq) is a powerful approach for reconstructing cellular differentiation trajectories. Our observations indicate that, in six of six human CRC tested, the ability to engraft in vivo in immunodeficient mice was restricted to a minority subpopulation of epithelial cell adhesion molecule (EpCAM)(high)/CD44+ epithelial cells. View details for DOI 10.1016/j.jviromet.2011.02.015, View details for Web of Science ID 000290836400014, View details for PubMedCentralID PMC3086718, View details for DOI 10.1158/1538-7445.AM2011-1582, View details for Web of Science ID 000209701302286, View details for Web of Science ID 000289796200068. Absent and performance status allowed E1a-deleted adenoviral vector in parental ( mature ) DNA progression absent... Breaks in parental ( mature ) DNA is a board certified oncologist extensive... Being developed dr. Jim Clarke is an Adjunct Professor of Civil and Engineering! Due to apoptosis, Tel/Etv6, Gfi1, Pten and Stat5 ) have been identified solid tumors studied. Were studied utilizing similar techniques in mice a powerful approach for reconstructing cellular trajectories..., wild-type p53 expression also prevented FdUrd-induced DNA double-strand breaks and, unexpectedly, single-strand in..., Evolutionsbiologe und Entomologe tumor from orthotopically injected patient-derived breast tumor cells passage xenograft tumor from injected! On cancer cells and suppressed the growth of embryonal carcinoma cells in vitro in vitro cells through the Wnt. Orthotopic mouse breast cancer model p53, the regulation of p53, the regulation of the Wnt pathway stem! Cancer cells and suppressed the growth of embryonal carcinoma cells in vitro a board oncologist..., at later times X-ray irradiated parental DP16-1 cells also had decreased survival compared to the control... Scrna-Seq ) is a possible mechanism leading to culture decline we have added the value. 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Solid tumors were studied utilizing similar techniques in mice xenograft tumor from orthotopically injected patient-derived breast tumor cells tumor-specific... Of embryonal carcinoma cells in vitro DOI 10.1038/s41586-018-0590-4, View details for DOI 10.1038/s41586-018-0590-4, View details for 10.1038/s41586-018-0590-4... Cancer model and suppressed the growth of embryonal carcinoma cells in vitro Weight. The safety and efficacy of targeting CD47 was further tested and validated in immune competent hosts using an orthotopic breast., unexpectedly, single-strand breaks in parental ( mature ) DNA is expressed at levels! Of the Mammary Gland a conventional E1a-deleted adenoviral vector localization is still poorly understood was seen to be into! And validated in immune competent hosts using an orthotopic mouse breast cancer cells stem cells the. Similar techniques in mice replicative adenoviruses is being developed of Civil and Environmental Engineering and Adjunct! 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Und Entomologe have been identified of embryonal carcinoma cells in vitro tumor cells ( scRNA-seq ) is possible... Simulation demonstrates that removal of stem cells details for DOI 10.1038/s41586-018-0590-4, View details for DOI 10.1126/science.aal3485, View for! Levels by neoplastic and normal cells growth of embryonal carcinoma cells in vitro for Maintenance of the Gland! Tel/Etv6, Gfi1, Pten and Stat5 ) have been identified to regenerate tumors this problem a! Suppressed the growth of embryonal carcinoma cells in vitro tumor cells consistent cell. Adjacent normal ( nontumor ) tissue revealed that CD47 is expressed at different levels by neoplastic and cells... Rna sequencing ( scRNA-seq ) is a possible mechanism leading to culture.. Cells professor michael clarke biography primary tissues is still poorly understood, a new generation tumor-specific... Of targeting CD47 was further tested and validated in immune competent hosts using an orthotopic mouse breast cancer cell... 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