Zaida Garcia-Casado's research while affiliated with Instituto Valenciano de Oncologia and other places

Publications (21)

Article
Differences in survival according to the pTERT mutation subtypes (−124C > T, −146C > T, and tandem −138_139CC > TT) have been observed. The present study aimed to describe the clinical as the histopathological and molecular cutaneous melanoma features according to the presence of the three most prevalent pTERT mutation subtypes (−124C > T, −146C >...
Article
Background: Subungual melanoma (SM) is an unusual type of melanocytic tumor affecting the nail apparatus. The mutational prevalence of the most prominently mutated genes in melanoma has been reported in small cohorts of SM, with unclear conclusions on whether SM is different from the rest of melanomas arising in acral locations or not. Hence, the...
Article
Full-text available
Simple Summary In this study, based on the results of chemotherapy or poly(ADP-ribose) polymerase (PARP) inhibitor (PARPi) maintenance in other tumors, we explore whether olaparib, a PARP inhibitor, could be useful in terms of prolonging radiographic progression of the disease in patients with metastatic castration-resistant prostate cancer with sp...
Article
The origin of tumors has been under discussion over the years. Different theories have been suggested to explain this phenomenon. Among them, the Cancer-Stem Cells model, is one of the most outstanding. In this study, we reported a case of a 72-year-old man who presented two histologically different tumors with a 7-years gap, a Penile Squamous Cell...
Article
Full-text available
Simple Summary The response of high-grade serous ovarian cancer (HGSOC) to DNA-damaging agents largely depends on tumor genomic instability (GI), a phenomenon that affects the entire genome. Nowadays, surrogate biomarkers of this phenomenon, such as BRCA-gene mutations, are used in clinical practice to identify patients harboring this characteristi...
Article
Background Granulosa cell ovarian tumor (GCT) is characterized by a pathognomonic mutation in the FOXL2 gene (402 C > G) that leads to an overactivation of steroidogenesis. CYP17 is a key enzyme in such process and can be inhibited by ketoconazole. Methods We designed a phase II clinical trial to assess the efficacy of ketoconazole in advanced GCT...
Article
Full-text available
Germline and tumor BRCA testing constitutes a valuable tool for clinical decision-making in the management of epithelial ovarian cancer (EOC) patients. Tissue testing is able to identify both germline (g) and somatic (s) BRCA variants, but tissue preservation methods and the widespread implementation of NGS represent pre-analytical and analytical c...
Article
Background: Acral location of melanomas is associated with poor survival. It can be due, at least in part, to the fact that acral lentiginous melanoma, a distinct melanoma subtype, has a particular biological profile and a bad clinical behavior. However, since almost 50% of acral melanomas are not of acral lentiginous melanoma subtype, the worse c...
Article
Full-text available
Simple Summary: The divergent pathway model established at least two approaches for melanoma development. One was related to a propensity to melanocytic proliferation (nevogenic), and the other was associated with an accumulation of solar damage (CSD). We conducted a retrospective study to examine whether this model had a molecular support using se...
Article
e17550 Background: In epithelial ovarian cancer (EOC), the identification of mutations in homologous recombination repair (HRR) genes on tumor is prognostic, predictive of response to PARP inhibitors, and a tool to identify individuals at genetic cancer risk. The aim of this study is to compare the concordance between two laboratories in identifyin...
Article
Most relapses in melanoma patients occur during the first five years after diagnosis. Identifying characteristics associated with recurrence after this period could help delineate guidelines, specifically for follow-up protocols. Objectives: The aim of this study was to identify the prognostic factors for relapse and death caused by melanoma in pat...
Article
Background: KIT mutations are primarily associated with acral and mucosal melanoma, and have been reported to show higher prevalence in chronic sun-damaged (CSD) than non-CSD melanomas. Objectives: To investigate the prevalence of KIT mutations in melanoma according to subtype, and determine the clinical role of such mutations. Material & metho...
Conference Paper
Background & objectives: PARP inhibitors have shown efficacy in BRCA-mutated ovarian cancer (OC) patients. The aim of this study is to perform an inter-laboratory ring-trial to compare and evaluate different analytical approaches to identify and classify BRCA variants in formalinparaffin- embedded (FFPE) tumours. Methods: Five independent clinical...
Article
6055 Background: Epithelial ovarian cancer (EOC) identification of BRCA1 and BRCA2 mutations is usually carried out in germline, representing around 17% in high grade serous ovarian cancer (HGSOC) and further 5-7% are only identified in the tumor (somatic). The aim of this study was to identify in EOC tumor BRCA mutation frequency and inter-laborat...
Article
Full-text available
Most genetic susceptibility to cutaneous melanoma remains to be discovered. Meta-analysis genome-wide association study (GWAS) of 36,760 cases of melanoma (67% newly genotyped) and 375,188 controls identified 54 significant (P < 5 × 10−8) loci with 68 independent single nucleotide polymorphisms. Analysis of risk estimates across geographical region...
Article
Full-text available
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.

Citations

... A literature search performed in December 2023 identified eight studies that contained genomic, exomic, and/or transcriptomic data for AM 4,6,19,[24][25][26][27][28] . Of these articles, four provided sufficient genomic data for the evaluation of changes in copy number, translocations, InDels, gene expression for RTK proteins, and/or structural variants 4,6,19,28 . ...
... HRD testing for prediction of the therapy response can focus on pathogenic variants in genes of the HRR pathway and/or the presence of characteristic genomic scar patterns [16]. Such scar patterns independently predict the response to the drugs mentioned above and to prognosis in ovarian cancer patients [16,[23][24][25]. ...
... Also, in study of Sorin et al. 24 it was described the genomic landscape of patients with lung cancer (n = 997) with NGS in a Canadian hospital, founding a higher prevalence of KRAS mutations (39.2%) compared with most geographical locations, which proved the important to assess institutional rates of actionable driver mutations to help guide governing bodies. 24 On the other hand, Garcia-Casado et al. 25 and Sargas et al. 26 are prospective studies of epithelial ovarian cancer and acute myeloid leukemia, respectively, that provide an extensive molecular characterization, risk stratification, ensuring technical quality and equity in access to NGS studies. 25,26 In non-European countries, the decision analytic model of Matsuda et al. 27 that was used to estimate the budgetary impact of SSG testing versus NGS in newly diagnosed patients with advanced NSCLC in Japan, showing that the adoption of NGS instead of SSG would shorten the average turnaround time of testing (14.32 vs. 18.10, respectively). ...
... This shows the importance of carrying out further studies to characterize better the prognosis of certain lesion subtypes included in this study within the group defined as distal, especially the subungual and plantar lesions, and to include an analysis according to the new WHO histological classification [18]. In this context, plantar mechanical stress has been proposed as a production mechanism, with studies showing differences in the appearance of melanomas in weight-bearing regions of the plantar foot and that, perhaps, this could be a factor that encourages tumor dissemination [19][20][21]. ...
... With regard to the genomic classification of melanomas, there was no propensity for BRAF, NRAS, or NF1 mutations in any of the clinical subgroups in this study, although some authors suggest that BRAF mutations are associated with the nevogenic pathway of melanoma genesis and that NF1, ROS1, GNA11, and RAC1 mutations are associated with CSD-associated melanomas [34]. Our data were not sufficient to validate these findings, as the mutational status was available for only 105 melanomas (BRAF mutant: 44, BRAF wildtype: 61). ...
... Significantly mutated genes included BRAF, CDKN2A, NRAS, and TP53 in NAM, while BRAF, NRAS, and NF1 in AM [3]. And AM more frequently has KIT mutations when compared to NAM [4]. Therefore, AM should be acknowledged as a special subtype. ...
... The effect allele/non-effect allele for LRRC34 is A/T, and the effect allele frequency is 0.76. The effect allele in these two families is present in the heterozygous effect allele, where the odds ratio for the effect allele is previously reported to be 1.076 44 . The rs10936599 variant in MYNN has been previously identified for melanoma risk variants with the effect allele/ non-effect allele is C/T and the effect allele frequency is 0.75 with an odds ratio (95% confidence interval) of 1.06 (1.04-1.08) ...
... Results from genome-wide association studies (GWAS) show that cutaneous melanoma susceptibility is most likely related to a polygenic inheritance pattern [39,40]. Our study focused on a single susceptibility polymorphism and this could be a limitation. ...
... In addition, telomere length was found significantly shortened in chronic myeloid leukemia [6]. However, in most solid tumors such as glioma [7], lung adenocarcinoma [8], neuroblastoma [9], bladder cancer [10], melanoma [11,12], hepatocellular carcinoma [13], and kidney cancer [14], the telomere length was increased compared with normal tissues [15][16][17][18]. ...