Carlos Caldas

Dysregulated expression of Fau and MELK is associated with poor prognosis in breast cancer (2009)

Pickard, Mark R, Green, Andrew R, Ellis, Ian O, Caldas, Carlos, Hedge, Vanessa L, Mourtada-Maarabouni, Mirna, ...

Abstract Introduction Programmed cell death through apoptosis plays an essential role in the hormone-regulated physiological turnover of mammary tissue. Failure of this active gene-dependent process...

The breast cancer somatic 'muta-ome': tackling the complexity (2009)

Teschendorff, Andrew E, Caldas, Carlos

Abstract Acquired somatic mutations are responsible for approximately 90% of breast tumours. However, only one somatic aberration, amplification of the HER2 locus, is currently used to define a...

Germline CDH1 deletions in hereditary diffuse gastric cancer families (2009)

Oliveira, Carla, Senz, Janine, Kaurah, Pardeep, Pinheiro, Hugo, Sanges, Remo, Haegert, Anne, ...

Germline CDH1 point or small frameshift mutations can be identified in 30–50% of hereditary diffuse gastric cancer (HDGC) families. We hypothesized that CDH1 genomic rearrangements would be found...

CancerGrid: developing open standards for clinical cancer informatics (2008)

James Brenton, Carlos Caldas, Jim Davies, Steve Harris, Peter Maccallum

CancerGrid is a consortium developing open standards for clinical cancer informatics based on data and metadata representation, distributed service-oriented architectures, and collaborative working...

A comprehensive analysis of prognostic signatures reveals the high predictive capacity of the Proliferation, Immune response and RNA splicing modules in breast cancer (2008)

Reyal, Fabien, Van Vliet, Martin H, Armstrong, Nicola J, Horlings, Hugo M, De Visser, Karin E, Kok, Marlen, ...

Abstract Introduction Several gene expression signatures have been proposed and demonstrated to be predictive of outcome in breast cancer. In the present article we address the following issues: Do...

High-resolution array CGH clarifies events occurring on 8p in carcinogenesis (2008)

Cooke, Susanna L, Pole, Jessica CM, Chin, Suet-Feung, Ellis, Ian O, Caldas, Carlos, Edwards, Paul AW

Abstract Background Rearrangement of the short arm of chromosome 8 (8p) is very common in epithelial cancers such as breast cancer. Usually there is an unbalanced translocation breakpoint in 8p12...

Models for locating RFID nodes (2008)

François Caron, Saiedeh Navabzadeh Razavi, Jongchul Song, Emmanuel Duflos, Carlos Caldas, Carl Haas

Localization of randomly distributed wireless sensor nodes is a significant and fundamental problem in a broad range of emerging civil engineering applications. Densely deployed in physical...

PMC42, a breast progenitor cancer cell line, has normal-like mRNA and microRNA transcriptomes (2008)

Git, Anna, Spiteri, Inmaculada, Blenkiron, Cherie, Dunning, Mark J, Pole, Jessica CM, Chin, Suet-Feung, ...

Abstract Introduction The use of cultured cell lines as model systems for normal tissue is limited by the molecular alterations accompanying the immortalisation process, including changes in the mRNA...

Meta-analysis confirms BCL2 is an independent prognostic marker in breast cancer (2008)

Callagy, Grace M, Webber, Mark J, Pharoah, Paul DP, Caldas, Carlos

Abstract Background A number of protein markers have been investigated as prognostic adjuncts in breast cancer but their translation into clinical practice has been impeded by a lack of appropriate...

Effects of common germline genetic variation in cell cycle control genes on breast cancer survival: results from a population-based cohort (2008)

Azzato, Elizabeth M, Driver, Kristy E, Lesueur, Fabienne, Shah, Mitul, Greenberg, David, Easton, Douglas F, ...

Abstract Introduction Somatic alterations have been shown to correlate with breast cancer prognosis and survival, but less is known about the effects of common inherited genetic variation. Of...

Allele-Specific Up-Regulation of FGFR2 Increases Susceptibility to Breast Cancer (2008)

Kerstin B. Meyer, Ana-Teresa Maia, Martin O'Reilly, Andrew E. Teschendorff, Suet-Feung Chin, Carlos Caldas, ...

The recent whole-genome scan for breast cancer has revealed the FGFR2 (fibroblast growth factor receptor 2) gene as a locus associated with a small, but highly significant, increase in the risk of...

DNA repair polymorphisms and the risk of stomach adenocarcinoma and severe chronic gastritis in the EPIC-EURGAST study (2008)

Capellá, Gabriel, Pera, Guillem, Sala, Núria, Agudo, Antonio, Rico, Francisco, Del Giudicce, Giuseppe, ...

Background The contribution of genetic variation in DNA repair genes to gastric cancer (GC) risk remains essentially unknown. The aim of this study was to explore the relative contribution of DNA...

MicroRNA expression profiling of human breast cancer identifies new markers of tumor subtype (2007)

Blenkiron, Cherie, Goldstein, Leonard D, Thorne, Natalie P, Spiteri, Inmaculada, Chin, Suet-Feung, Dunning, Mark J, ...

Abstract Background MicroRNAs (miRNAs), a class of short non-coding RNAs found in many plants and animals, often act post-transcriptionally to inhibit gene expression. Results Here we report the...

High-resolution aCGH and expression profiling identifies a novel genomic subtype of ER negative breast cancer (2007)

Chin, Suet F, Teschendorff, Andrew E, Marioni, John C, Wang, Yanzhong, Barbosa-Morais, Nuno L, Thorne, Natalie P, ...

Abstract Background The characterization of copy number alteration patterns in breast cancer requires high-resolution genome-wide profiling of a large panel of tumor specimens. To date, most...

An immune response gene expression module identifies a good prognosis subtype in estrogen receptor negative breast cancer (2007)

Teschendorff, Andrew E, Miremadi, Ahmad, Pinder, Sarah E, Ellis, Ian O, Caldas, Carlos

Abstract Background Estrogen receptor (ER)-negative breast cancer specimens are predominantly of high grade, have frequent p53 mutations, and are broadly divided into HER2-positive and basal...

Elucidating the Altered Transcriptional Programs in Breast Cancer using Independent Component Analysis (2007)

Andrew E. Teschendorff, Michel Journée, Pierre A. Absil, Rodolphe Sepulchre, Carlos Caldas

The quantity of mRNA transcripts in a cell is determined by a complex interplay of cooperative and counteracting biological processes. Independent Component Analysis (ICA) is one of a few number of...

Cancer genetics of epigenetic genes (2007)

Miremadi, Ahmad, Oestergaard, Mikkel Z., Pharoah, Paul D.P., Caldas, Carlos

The cancer epigenome is characterised by specific DNA methylation and chromatin modification patterns. The proteins that mediate these changes are encoded by the epigenetics genes here defined as:...

Elucidating the Altered Transcriptional Programs in Breast Cancer using Independent Component Analysis (2007)

Andrew Erich Teschendorff, Michel Journee, Pierre A Absil, Rodolphe Sepulchre, Carlos Caldas

The quantity of mRNA transcripts in a cell is determined by a complex interplay of cooperative and counteracting biological processes. Independent Component Analysis (ICA) is one of a few number of...

A consensus prognostic gene expression classifier for ER positive breast cancer (2006)

Teschendorff, Andrew E, Naderi, Ali, Barbosa-Morais, Nuno L, Pinder, Sarah E, Ellis, Ian O, Aparicio, Sam, ...

Abstract Background A consensus prognostic gene expression classifier is still elusive in heterogeneous diseases such as breast cancer. Results Here we perform a combined analysis of three major...

Differential expression of selected histone modifier genes in human solid cancers (2006)

Özdağ, Hilal, Teschendorff, Andrew E, Ahmed, Ahmed, Hyland, Sarah J, Blenkiron, Cherie, Bobrow, Linda, ...

Abstract Background Post-translational modification of histones resulting in chromatin remodelling plays a key role in the regulation of gene expression. Here we report characteristic patterns of...

Da MPB como Fonte para Estudo da Religião: Análise do Elemento Religioso Presente em “Anunciação” de Alceu Valença e “Um Índio” de Caetano Veloso (2006)

Carlos Caldas

The Brazilian tradition of religious studies is characterized by an intensive use of auxiliary tools in the field of the Social Sciences, especially Sociology. Nevertheless, it is possible to use...

PACK: Profile Analysis using Clustering and Kurtosis to find molecular classifiers in cancer (2006)

Teschendorff, Andrew E., Naderi, Ali, Barbosa-Morais, Nuno L., Caldas, Carlos

Motivation: Elucidating the molecular taxonomy of cancers and finding biological and clinical markers from microarray experiments is problematic due to the large number of variables being measured....

Evidence that both genetic instability and selection contribute to the accumulation of chromosome alterations in cancer (2005)

Gorringe, Kylie L., Chin, Suet-Feung, Pharoah, Paul, Staines, Joanne M., Oliveira, Carla, Edwards, Paul A. W., ...

Cancer cells contain many genetic alterations, and genetic instability may be important in tumourigenesis. We evaluated 58 breast and ovarian cancer cell lines for microsatellite instability (MSI)...

Human and mouse oligonucleotide-based array CGH (2005)

Van Den IJssel, Paul, Tijssen, Marianne, Chin, Suet-Feung, Eijk, Paul, Carvalho, Beatriz, Hopmans, Erik, ...

Array-based comparative genomic hybridization is a high resolution method for measuring chromosomal copy number changes. Here we present a validated protocol using in-house spotted oligonucleotide...

A variational Bayesian mixture modelling framework for cluster analysis of gene expression data (2005)

Teschendorff, Andrew E., Wang, Yanzhong, Barbosa-Morais, Nuno L., Brenton, James D., Caldas, Carlos

Motivation: Accurate subcategorisation of tumour types through gene expression profiling requires analytical techniques that estimate the number of categories or clusters rigorously and reliably....

Evidence that both genetic instability and selection contribute to the accumulation of chromosome alterations in cancer (2005)

Gorringe, Kylie L., Chin, Suet-Feung, Pharoah, Paul, Staines, Joanne M., Oliveira, Carla, Edwards, Paul A.W., ...

Cancer cells contain many genetic alterations, and genetic instability may be important in tumourigenesis. We evaluated 58 breast and ovarian cancer cell lines for microsatellite instability (MSI)...

Expression microarray reproducibility is improved by optimising purification steps in RNA amplification and labelling (2004)

Naderi, Ali, Ahmed, Ahmed A, Barbosa-Morais, Nuno L, Aparicio, Samuel, Brenton, James D, Caldas, Carlos

Abstract Background Expression microarrays have evolved into a powerful tool with great potential for clinical application and therefore reliability of data is essential. RNA amplification is used...

Microarray segmentation methods significantly influence data precision (2004)

Ahmed, Ahmed Ashour, Vias, Maria, Iyer, N. Gopalakrishna, Caldas, Carlos, Brenton, James D.

Little consideration has been given to the effect of different segmentation methods on the variability of data derived from microarray images. Previous work has suggested that the significant source...

BMC Genomics BioMed Central Methodology article (2004)

Ali Naderi, Ahmed A Ahmed, Samuel Aparicio, James D Brenton, Carlos Caldas

Expression microarray reproducibility is improved by optimising purification steps in RNA amplification and labelling

Differential gene expression profile in the small intestines of mice lacking pacemaker interstitial cells of Cajal (2003)

Daigo, Yataro, Takayama, Ichiro, Ponder, Bruce AJ, Caldas, Carlos, Ward, Sean M, Sanders, Kenton M, ...

Abstract Background We previously identified eight known and novel genes differentially expressed in the small intestines of wild type and W/W V mice, which have greatly reduced populations of the...

Differential gene expression in the murine gastric fundus lacking interstitial cells of Cajal (2003)

Daigo, Yataro, Takayama, Ichiro, Ponder, Bruce AJ, Caldas, Carlos, Ward, Sean M, Sanders, Kenton M, ...

Abstract Background The muscle layers of murine gastric fundus have no interstitial cells of Cajal at the level of the myenteric plexus and only possess intramuscular interstitial cells and this...

Identification of CDH1 germline missense mutations associated with functional inactivation of the E-cadherin protein in young gastric cancer probands (2003)

Suriano, Gianpaolo, Oliveira, Carla, Ferreira, Paulo, Machado, José C., Bordin, Maria C., De Wever, Olivier, ...

E-cadherin is involved in the formation of cell-junctions and the maintenance of epithelial integrity. Direct evidence of E-cadherin mutations triggering tumorigenesis has come from the finding of...

Helicobacter pylori and Interleukin 1 Genotyping: An Opportunity to Identify High-Risk Individuals for Gastric Carcinoma (2002)

Figueiredo, Céu, Machado, José Carlos, Pharoah, Paul, Seruca, Raquel, Sousa, Sónia, Carvalho, Ralph, ...

Background: Both Helicobacter pylori genotype and host genetic polymorphisms play a role in determining the clinical consequences of H. pylori infection. We investigated whether there are any...

Molecular profiling of breast cancer: portraits but not physiognomy (2000)

Brenton, James D, Aparicio, Samuel AJR, Caldas, Carlos

Abstract Breast cancers differ in response to treatment and may have a divergent clinical course despite having a similar histopathological appearance. New technology using DNA microarrays provides a...

Does massively parallel transcriptome analysis signify the end of cancer histopathology as we know it? (2000)

Aparicio, Samuel AJR, Caldas, Carlos, Ponder, Bruce

Abstract Transcriptional analysis of all the genes expressed by breast tumors has provided the first steps towards defining a molecular signature for the disease, and might ultimately make...

EEN encodes for a member of a new family of proteins containing an Src homology 3 domain and is the third gene located on chromosome 19p13 that fuses to MLL in human leukemia

So, Chi Wai, Caldas, Carlos, Liu, Meng-Min, Chen, Sai-Juan, Huang, Qiu-Hua, Gu, Long-Jun, ...

The MLL gene, the closest human homologue to the Drosophila trithorax gene, undergoes chromosomal translocation with a large number of different partner genes in both acute lymphoid and acute myeloid...

Molecular profiling of breast cancer: portraits but not physiognomy

Brenton, James D, Aparicio, Samuel AJR, Caldas, Carlos

Breast cancers differ in response to treatment and may have a divergent clinical course despite having a similar histopathological appearance. New technology using DNA microarrays provides a...

Does massively parallel transcriptome analysis signify the end of cancer histopathology as we know it?

Aparicio, Samuel AJR, Caldas, Carlos, Ponder, Bruce

Transcriptional analysis of all the genes expressed by breast tumors has provided the first steps towards defining a molecular signature for the disease, and might ultimately make conventional...

Microarray segmentation methods significantly influence data precision

Ahmed, Ahmed Ashour, Vias, Maria, Iyer, N. Gopalakrishna, Caldas, Carlos, Brenton, James D.

Little consideration has been given to the effect of different segmentation methods on the variability of data derived from microarray images. Previous work has suggested that the significant source...

p300 regulates p53-dependent apoptosis after DNA damage in colorectal cancer cells by modulation of PUMA/p21 levels

Iyer, N. Gopalakrishna, Chin, Suet-Feung, Ozdag, Hilal, Daigo, Yataro, Hu, De-En, Cariati, Massimiliano, ...

Activation of the tumor suppressor p53 by DNA damage induces either cell cycle arrest or apoptosis, but what determines the choice between cytostasis and death is not clear. In this report, we show...

Human and mouse oligonucleotide-based array CGH

Van Den IJssel, Paul, Tijssen, Marianne, Chin, Suet-Feung, Eijk, Paul, Carvalho, Beatriz, Hopmans, Erik, ...

Array-based comparative genomic hybridization is a high resolution method for measuring chromosomal copy number changes. Here we present a validated protocol using in-house spotted oligonucleotide...

EEN encodes for a member of a new family of proteins containing an Src homology 3 domain and is the third gene located on chromosome 19p13 that fuses to MLL in human leukemia

So, Chi Wai, Caldas, Carlos, Liu, Meng-Min, Chen, Sai-Juan, Huang, Qiu-Hua, Gu, Long-Jun, ...

The MLL gene, the closest human homologue to the Drosophila trithorax gene, undergoes chromosomal translocation with a large number of different partner genes in both acute lymphoid and acute myeloid...

Molecular profiling of breast cancer: portraits but not physiognomy

Brenton, James D, Aparicio, Samuel AJR, Caldas, Carlos

Breast cancers differ in response to treatment and may have a divergent clinical course despite having a similar histopathological appearance. New technology using DNA microarrays provides a...

Does massively parallel transcriptome analysis signify the end of cancer histopathology as we know it?

Aparicio, Samuel AJR, Caldas, Carlos, Ponder, Bruce

Transcriptional analysis of all the genes expressed by breast tumors has provided the first steps towards defining a molecular signature for the disease, and might ultimately make conventional...

Microarray segmentation methods significantly influence data precision

Ahmed, Ahmed Ashour, Vias, Maria, Iyer, N. Gopalakrishna, Caldas, Carlos, Brenton, James D.

Little consideration has been given to the effect of different segmentation methods on the variability of data derived from microarray images. Previous work has suggested that the significant source...

p300 regulates p53-dependent apoptosis after DNA damage in colorectal cancer cells by modulation of PUMA/p21 levels

Iyer, N. Gopalakrishna, Chin, Suet-Feung, Ozdag, Hilal, Daigo, Yataro, Hu, De-En, Cariati, Massimiliano, ...

Activation of the tumor suppressor p53 by DNA damage induces either cell cycle arrest or apoptosis, but what determines the choice between cytostasis and death is not clear. In this report, we show...

Human and mouse oligonucleotide-based array CGH

Van Den IJssel, Paul, Tijssen, Marianne, Chin, Suet-Feung, Eijk, Paul, Carvalho, Beatriz, Hopmans, Erik, ...

Array-based comparative genomic hybridization is a high resolution method for measuring chromosomal copy number changes. Here we present a validated protocol using in-house spotted oligonucleotide...

A consensus prognostic gene expression classifier for ER positive breast cancer

Teschendorff, Andrew E, Naderi, Ali, Barbosa-Morais, Nuno L, Pinder, Sarah E, Ellis, Ian O, Aparicio, Sam, ...

A consensus prognostic classifier for estrogen receptor positive breast tumors has been developed and shown to be valid in nearly 900 samples across different microarray platforms.

Elucidating the Altered Transcriptional Programs in Breast Cancer using Independent Component Analysis

Teschendorff, Andrew E, Journée, Michel, Absil, Pierre A, Sepulchre, Rodolphe, Caldas, Carlos

The quantity of mRNA transcripts in a cell is determined by a complex interplay of cooperative and counteracting biological processes. Independent Component Analysis (ICA) is one of a few number of...

The Extracellular Matrix Protein TGFBI Induces Microtubule Stabilization and Sensitizes Ovarian Cancers to Paclitaxel

Ahmed, Ahmed Ashour, Mills, Anthony D., Ibrahim, Ashraf E.K., Temple, Jillian, Blenkiron, Cherie, Vias, Maria, ...

The extracellular matrix (ECM) can induce chemotherapy resistance via AKT-mediated inhibition of apoptosis. Here, we show that loss of the ECM protein TGFBI (transforming growth factor beta induced)...

MicroRNA—implications for cancer

Sassen, Stefanie, Miska, Eric A., Caldas, Carlos

MicroRNAs (miRNAs) are small RNA molecules that regulate gene expression post-transcriptionally. After the discovery of the first miRNA in the roundworm Caenorhabditis elegans, these short regulatory...

MicroRNA expression profiling of human breast cancer identifies new markers of tumor subtype

Blenkiron, Cherie, Goldstein, Leonard D, Thorne, Natalie P, Spiteri, Inmaculada, Chin, Suet-Feung, Dunning, Mark J, ...

Integrated analysis of miRNA expression and genomic changes in human breast tumors allows the classification of tumor subtypes.

High-resolution aCGH and expression profiling identifies a novel genomic subtype of ER negative breast cancer

Chin, Suet F, Teschendorff, Andrew E, Marioni, John C, Wang, Yanzhong, Barbosa-Morais, Nuno L, Thorne, Natalie P, ...

High resolution array-CGH and expression profiling identifies a novel genomic subtype of ER negative breast cancer, and provides a genome-wide list of common copy number alterations associated with...

Development of a benchmarking framework for pharmaceutical capital projects

Bon-Gang Hwang, Stephen Thomas, Deborah Degezelle, Carlos Caldas

Benchmarking is a proven technique for improving project performance and, as such, is a critical component of any mature project delivery system. Competitive benchmarking requires industry-specific...

An immune response gene expression module identifies a good prognosis subtype in estrogen receptor negative breast cancer

Teschendorff, Andrew E, Miremadi, Ahmad, Pinder, Sarah E, Ellis, Ian O, Caldas, Carlos

A feature selection method was used in an analysis of three major microarray expression datasets to identify molecular subclasses and prognostic markers in estrogen receptor-negative breast cancer,...

Allele-Specific Up-Regulation of FGFR2 Increases Susceptibility to Breast Cancer

Meyer, Kerstin B, Maia, Ana-Teresa, O'Reilly, Martin, Teschendorff, Andrew E, Chin, Suet-Feung, Caldas, Carlos, ...

The recent whole-genome scan for breast cancer has revealed the FGFR2 (fibroblast growth factor receptor 2) gene as a locus associated with a small, but highly significant, increase in the risk of...

Regulation of p53 tetramerization and nuclear export by ARC

Foo, Roger S.-Y., Nam, Young-Jae, Ostreicher, Marc Jason, Metzl, Mark D., Whelan, Russell S., Peng, Chang-Fu, ...

Inactivation of the transcription factor p53 is central to carcinogenesis. Yet only approximately one-half of cancers have p53 loss-of-function mutations. Here, we demonstrate a mechanism for p53...

Negotiation-based decision support model for utility relocations in transportation infrastructure projects

Carlos Caldas, Chien-Cheng Chou, Jim O'connor

Highway projects in metropolitan areas often require that adjacent utilities be relocated to accommodate new or expanded highway facilities. Traditionally, utility owners have been responsible for...

Analysing decision variables that influence preliminary feasibility studies using data mining techniques

Sungmin Yun, Carlos Caldas

The development of infrastructure contributes to the social and economic improvement of a country, and generally requires huge and immediate investments. To decide on appropriate infrastructure...

The breast cancer somatic 'muta-ome': tackling the complexity

Teschendorff, Andrew E, Caldas, Carlos

Acquired somatic mutations are responsible for approximately 90% of breast tumours. However, only one somatic aberration, amplification of the HER2 locus, is currently used to define a clinical...

Germline CDH1 deletions in hereditary diffuse gastric cancer families

Oliveira, Carla, Senz, Janine, Kaurah, Pardeep, Pinheiro, Hugo, Sanges, Remo, Haegert, Anne, ...

Germline CDH1 point or small frameshift mutations can be identified in 30–50% of hereditary diffuse gastric cancer (HDGC) families. We hypothesized that CDH1 genomic rearrangements would be found...