Research Topics
Genomes and GenesSpecies | Sevtap SavasSummaryAffiliation: Memorial University of Newfoundland Country: Canada Publications
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Detail Information
Publications
Serotonin transporter gene (SLC6A4) variations are associated with poor survival in colorectal cancer patientsSevtap Savas
Discipline of Genetics, Faculty of Medicine, Memorial University of Newfoundland, St John s, Newfoundland and Labrador, Canada
PLoS ONE 7:e38953. 2012..While our results remain to be replicated in other patient cohorts, we suggest that the genetic variations in the SLC6A4 gene contribute to poor survival in colorectal cancer patients...
A curated database of genetic markers from the angiogenesis/VEGF pathway and their relation to clinical outcome in human cancersSevtap Savas
Discipline of Genetics, Faculty of Medicine, Memorial University of Newfoundland, St John s, Canada
Acta Oncol 51:243-6. 2012..Genes and genetic variations in angiogenesis/VEGF pathway thus may be correlated with clinical outcome in cancer patients...
Useful genetic variation databases for oncologists investigating the genetic basis of variable treatment response and survival in cancerSevtap Savas
Memorial University of Newfoundland, St John s, NL, Canada
Acta Oncol 49:1217-26. 2010..Utilization of these databases can assist clinicians in their studies related to treatment response and prognosis in cancer patients...
dbCPCO: a database of genetic markers tested for their predictive and prognostic value in colorectal cancerSevtap Savas
Discipline of Genetics, Faculty of Medicine, Memorial University of Newfoundland, St John s, NL, Canada A1B 3V6
Hum Mutat 31:901-7. 2010..The dbCPCO is periodically updated and freely available for the scientific and medical community at http://www.med.mun.ca/cpco...
Genetic variations as cancer prognostic markers: review and updateSevtap Savas
Department of Medical Biophysics, Division of Applied Molecular Oncology, Ontario Cancer Institute, Toronto, Ontario, Canada
Hum Mutat 30:1369-77. 2009..We discuss the interrelatedness among the disease susceptibility, treatment response, and prognosis at the genetic level and focus on how the emerging technologies and approaches can uniquely benefit the genetic prognosis studies...
Studying genetic variations in cancer prognosis (and risk): a primer for cliniciansSevtap Savas
Division of Applied Molecular Oncology, Department of Medical Biophysics, Ontario Cancer Institute, Toronto, Canada
Oncologist 14:657-66. 2009..In this review, we summarize the current knowledge on how candidate genes and genetic variations are selected to evaluate gene-outcome, gene-prognosis, and gene-treatment response relationships as applicable to the practicing oncologist...
A comprehensive catalogue of functional genetic variations in the EGFR pathway: protein-protein interaction analysis reveals novel genes and polymorphisms important for cancer researchSevtap Savas
Division of Applied Molecular Oncology, Department of Medical Biophysics, Ontario Cancer Institute, Toronto, Ontario, Canada
Int J Cancer 125:1257-65. 2009..The genes and their SNPs identified in the network-based analysis represent potential candidates for gene-gene and SNP-SNP interaction studies in cancer research...
Genetic sequence variants and the development of secondary primary cancers in patients with head and neck cancersAbul Kalam Azad
Applied Molecular Oncology, Ontario Cancer Institute, Princess Margaret Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada
Cancer 118:1554-65. 2012..We thus hypothesized that the same sequence variants associated with HNC survival can also be associated with SPC...
Candidate nsSNPs that can affect the functions and interactions of cell cycle proteinsSevtap Savas
Fred A. Litwin Centre for Cancer Genetics, Samuel Lunenfeld Research Institute, Toronto, Ontario, Canada
Proteins 58:697-705. 2005..Our study strongly suggests the presence of naturally occurring genetic variations in the cell cycle proteins that may affect their interactions and functions with possible roles in complex human diseases, such as cancer...
Bioinformatic analyses identifies novel protein-coding pharmacogenomic markers associated with paclitaxel sensitivity in NCI60 cancer cell linesLawson Eng
Fred A Litwin Centre for Cancer Genetics, Samuel Lunenfeld Research Institute, Mount Sinai Hospital, and Department of Laboratory Medicine and Pathology, University of Toronto, Toronto, ON, Canada
BMC Med Genomics 4:18. 2011..Ingenuity Pathway Analysis software helped us understand how our identified genes may alter the cellular response to paclitaxel...
Phosphorylation states of cell cycle and DNA repair proteins can be altered by the nsSNPsSevtap Savas
Fred A, Litwin Centre for Cancer Genetics, Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, M5G 1X5, ON, Canada
BMC Cancer 5:107. 2005..Non-synonymous single nucleotide polymorphisms (nsSNPs) result in the substitution of the encoded amino acids and thus are likely to alter the phosphorylation motifs in the proteins...
Human non-synonymous single nucleotide polymorphisms can influence ubiquitin-mediated protein degradationSevtap Savas
Fred A Litwin Centre for Cancer Genetics, Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
OMICS 11:200-8. 2007..Although experimental analyses are required to confirm these results, they suggest that nsSNPs can induce changes in ubiquitin-mediated protein degradation...
Functional nonsynonymous single nucleotide polymorphisms from the TGF-beta protein interaction networkSevtap Savas
Fred A Litwin Centre for Cancer Genetics, Samuel Lunenfeld Research Institute, Toronto, Ontario, Canada
Physiol Genomics 29:109-17. 2007..The nsSNPs reported in here can be characterized by experimental approaches to elucidate their exact biological roles and whether they are related to human disease...
Discovery of genetic profiles impacting response to chemotherapy: application to gemcitabineHamdi Jarjanazi
Fred A Litwin Centre for Cancer Genetics, Samuel Lunenfeld Research Institute, Toronto, Ontario, Canada
Hum Mutat 29:461-7. 2008..The results obtained using this novel methodology can be used to better design the clinical trials for effective study of the chemotherapeutic agents and thus provide a basis for individualized chemotherapy...
NCI60 cancer cell line panel data and RNAi analysis help identify EAF2 as a modulator of simvastatin and lovastatin response in HCT-116 cellsSevtap Savas
Fred A Litwin Centre for Cancer Genetics, Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Canada
PLoS ONE 6:e18306. 2011..Our results indicated genes involved in the cellular response to these statins and siRNA studies confirmed the role of the EAF2 in response to these drugs in HCT-116 colon cancer cells...
Human SNPs resulting in premature stop codons and protein truncationSevtap Savas
Fred A. Litwin Centre for Cancer Genetics, Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, ON, M5G 1X5, Canada
Hum Genomics 2:274-86. 2006..We believe that the SNPs reported here are likely to affect gene/protein function, although their biological and evolutionary roles need to be further investigated...
A whole-genome SNP association study of NCI60 cell line panel indicates a role of Ca2+ signaling in selenium resistanceSevtap Savas
Fred A Litwin Centre for Cancer Genetics, Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
PLoS ONE 5:e12601. 2010....
Polymorphisms cMyc-N11S and p27-V109G and breast cancer risk and prognosisJane C Figueiredo
Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
BMC Cancer 7:99. 2007..In this study, we focus on a rare non-synonymous polymorphism in cMyc (N11S) and a common polymorphism in p27 (V109G) and determine their role in risk and prognosis using data collected from the Ontario Breast Cancer Family Registry...
Biological implications of SNPs in signal peptide domains of human proteinsHamdi Jarjanazi
Fred A Litwin Centre for Cancer Genetics, Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
Proteins 70:394-403. 2008..Functional evaluation of candidates identified herein may reveal effects on major cellular processes including immune cell function, cell recognition and adhesion, and signal transduction...
Functional nsSNPs from carcinogenesis-related genes expressed in breast tissue: potential breast cancer risk alleles and their distribution across human populationsSevtap Savas
Fred A. Litwin Centre for Cancer Genetics, Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, ON, M5G 1X5, Canada
Hum Genomics 2:287-96. 2006....
Identifying functional genetic variants in DNA repair pathway using protein conservation analysisSevtap Savas
Fred A. Litwin Centre for Cancer Genetics, Mount Sinai Hospital, Samuel Lunenfeld Research Institute, 600 University Avenue Room 992A, Toronto, ON M5G 1X5, Canada
Cancer Epidemiol Biomarkers Prev 13:801-7. 2004..The strategy developed and applied in this study has the potential to identify functional protein variants of DNA repair pathway that may be associated with cancer predisposition...
Validation of genetic sequence variants as prognostic factors in early-stage head and neck squamous cell cancer survivalAbul Kalam Azad
Applied Molecular Oncology, Ontario Cancer Institute, Princess Margaret Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada
Clin Cancer Res 18:196-206. 2012..The purpose of this study was to validate the role of these 23 sequence variants for overall (OS) and disease-free survival (DFS) in a large, comprehensive, well-annotated data set of patients with head and neck cancer...
