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Pathology Oncology Research: POR

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https://www.readbyqxmd.com/read/28695322/the-tumor-entity-denominated-clear-cell-papillary-renal-cell-carcinoma-according-to-the-who-2016-new-classification-have-the-clinical-characters-of-a-renal-cell-adenoma-as-does-harbor-a-benign-outcome
#1
REVIEW
Francesco Massari, Chiara Ciccarese, Ondrej Hes, Michal Michal, Anna Caliò, Michelangelo Fiorentino, Francesca Giunchi, Alessandro D'Amuri, Francesca Sanguedolce, Roberto Sabbatini, Annalisa Guida, Andrea Ardizzoni, Camillo Porta, Roberto Iacovelli, Giampaolo Tortora, Luca Cima, Cinzia Ortega, Alberto Lapini, Guido Martignoni, Matteo Brunelli
The new WHO 2016 classification of renal neoplasia encounters the new entity called "clear cell papillary renal cell carcinoma" (ccpRCC). The ccpRCC has been long included as a subtype of clear cell RCC histotype and it actually ranges from 2 to 9% in different routinely available cohort of renal carcinomas. Of important note, ccpRCC does not show any recurrences or metastases or lymph-node invasion and the outcome is always good. We reviewed twenty-four publications with available follow-up for patients (no...
July 10, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28695321/angiogenesis-and-lymphangiogenesis-in-the-adrenocortical-tumors
#2
Sofia S Pereira, Madalena M Costa, Susana G Guerreiro, Mariana P Monteiro, Duarte Pignatelli
Adrenocortical tumors (ACT) are common adrenal tumors. The majority of ACTs are non-functioning and benign, while adrenocortical carcinomas (ACC) are rare, usually very aggressive and often metastasized when first diagnosed. Our aim was to assess whether blood and lymph vessel density within ACTs correlate with the malignancy character or tumor functionality. For that, the microvascular distribution was evaluated by immunohistochemistry staining with D2-40 antibody, for lymph vessels and CD-31 antibody, for blood vessels, in ACCs (n = 15), adenomas with Cushing syndrome (n = 9) and non-functioning adenomas (n = 10)...
July 10, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28685219/clinicopathological-significance-of-micropapillary-pattern-in-lung-adenocarcinoma
#3
Jung-Soo Pyo, Joo Heon Kim
The aim of this study was to elucidate the clinicopathological characteristics of the micropapillary (MP) subtype and its correlation with survival in lung adenocarcinoma. We investigated the clinicopathological characteristics, including the incidence, sex, smoking history, tumor size, lymph node metastasis, lymphovascular invasion, distant metastasis, genetic alteration, and prognosis in lung adenocarcinoma with the MP pattern through a meta-analysis. From 48 eligible studies, 19,502 lung adenocarcinomas were included...
July 6, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28685218/influence-of-cyp2c19-genotypes-on-the-occurrence-of-adverse-drug-reactions-of-voriconazole-among-hematological-patients-after-allo-hsct
#4
Beata Sienkiewicz, Donata Urbaniak-Kujda, Jarosław Dybko, Andrzej Dryś, Magdalena Hurkacz, Tomasz Wróbel, Anna Wiela-Hojeńska
The aim of this study was to determine the influence of different CYP2C19 genotypes on selected liver function parameters, and ADR occurrence during VCZ prophylaxis in adult patients after allo-HSCT (allogeneic hematopoietic stem cell transplantation). CYP2C19 mutations were determined in a cohort of 30 adults using PCR-RFLP methods established by Sim et al. and Goldstein and Blaisdell. The patients' protocol included biometrical and biochemical data, information on the underlying disease, chemotherapy, molds infections occurring during VCZ treatment, adverse drug reactions typical for the use of voriconazole, and probable drug - drug interactions...
July 6, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28681123/estrogen-receptor-%C3%AE-as-a-prognostic-marker-of-tumor-progression-in-colorectal-cancer-with-familial-adenomatous-polyposis-and-sporadic-polyps
#5
Paulo Roberto Stevanato Filho, Samuel Aguiar Júnior, Maria Dirlei Begnami, Fábio de Oliveira Ferreira, Wilson Toshihiko Nakagawa, Ranyell Matheus Sobreira Batista Spencer, Tiago Santoro Bezerra, Philip Edward Boggiss, Ademar Lopes
The incidence of colorectal cancer (CRC) is lower in women than in men, and sex steroids can be considered contributing factors because oral contraception usage and estrogen replacement therapy are associated with decreased risk. Conversely, colorectal polyp development in familial adenomatous polyposis (FAP) begins during puberty. The objectives were to evaluate the relationship between the expression of these hormone receptors and adenoma-carcinoma progression, CRC stage and overall survival. We studied 120 A...
July 5, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28681122/lewis-x-antigen-is-associated-to-head-and-neck-squamous-cell-carcinoma-survival
#6
Martín E Rabassa, Adrian Pereyra, Liliana Pereyra, Amada Segal-Eiras, Martín C Abba, Maria V Croce
Head and neck squamous cell carcinoma (HNSCC) is an aggressive disease with poor prognosis without appropriate prognostic markers. Previous research shows that Lewis antigens have been involved in carcinoma dissemination and patients´ survival. Fucosyl and sialyltransferases are the enzymes implicated in the Lewis antigens synthesis. The purpose of this study was to evaluate the prognostic utility of Lewis antigens in HNSCC. We conducted a prospective research including histological samples from 79 patients with primary HNSCC...
July 5, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28669081/distribution-of-vascular-patterns-in-different-subtypes-of-renal-cell-carcinoma-a-morphometric-study-in-two-distinct-types-of-blood-vessels
#7
Amparo Ruiz-Saurí, V García-Bustos, E Granero, S Cuesta, M A Sales, V Marcos, A Llombart-Bosch
To analyze the presence of mature and immature vessels as a prognostic factor in patients with renal cell carcinoma and propose a classification of renal cancer tumor blood vessels according to morphometric parameters. Tissue samples were obtained from 121 renal cell carcinoma patients who underwent radical nephrectomy. Staining with CD31 and CD34 was used to differentiate between immature (CD31+) and mature (CD34+) blood vessels. We quantified the microvascular density, microvascular area and different morphometric parameters: maximum diameter, minimum diameter, major axis, minor axis, perimeter, radius ratio and roundness...
July 1, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28669080/identification-of-potential-gene-network-associated-with-hcv-related-hepatocellular-carcinoma-using-microarray-analysis
#8
Yang Cheng, Jian Ping, Jianjie Chen
In order to identify potential specific gene networks of Hepatitis C virus (HCV) related hepatocellular carcinoma (HCC), weighted gene co-expression network analysis (WGCNA) was performed, which may provide an insight into the potential mechanism of the HCC development. HCV-related HCC and normal sample data were downloaded from GEO, T test of limma package was used to screen different expression genes (DEGs); KEGG pathway was used to analyze related biochemical pathways, and WGCNA was used to construct clustering trees and screen hub genes in the HCC-specific modules...
July 1, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28669079/immunohistochemical-analysis-of-foxp3-cd4-cd8-cell-infiltrates-and-pd-l1-in-oral-squamous-cell-carcinoma
#9
Olga Stasikowska-Kanicka, Małgorzata Wągrowska-Danilewicz, Marian Danilewicz
The immunoexpression of the PD-L1 and the number of immune infiltrating cells have been shown to be a significant prognostic factors in various human cancers. Immunohistochemical method was used to examine the immunoexpression of PD-L1 and number of Foxp3+, CD4+, CD8+ cells in 78 cases of oral squamous cell carcinomas (OSCCs): with better prognosis - OSCCBP (n = 37), and with poorer prognosis - OSCCPP (n = 41), and 18 cases of normal mucosa as a control. The immunoexpression of PD-L1 and the mean number of Foxp3+ cells was significantly increased in OSCCPP group in comparison to OSCCBP and control groups...
July 1, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28667494/single-nucleotide-polymorphisms-of-the-msh2-and-mlh1-genes-potential-molecular-markers-for-susceptibility-to-the-development-of-basal-cell-carcinoma-in-the-brazilian-population
#10
Poliane da Silva Calixto, Otávio Sérgio Lopes, Mayara Dos Santos Maia, Sylvia Satomi Takeno Herrero, Carlos Alberto Longui, Cynthia Germoglio Farias Melo, Ivan Rodrigues de Carvalho Filho, Leonardo Ferreira Soares, Arnaldo Correia de Medeiros, Plínio Delatorre, André Salim Khayat, Rommel Rodriguez Burbano, Eleonidas Moura Lima
Basal cell carcinoma - BCC is considered a multifactorial neoplasm involving genetic, epigenetic and environmental factors. Where UVB radiation is considered the main physical agent involved in BCC carcinogenesis. The Brazil and state of Paraíba are exposed to high levels of UVB rays. The mismatch repair - MMR is important DNA repair mechanisms to maintain replication fidelity. Therefore, single nucleotide polymorphisms (SNPs) in genes encoding proteins involved in MMR may be potential molecular markers of susceptibility to BCC...
June 30, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28667493/mir-16-1-targeted-silences-far-upstream-element-binding-protein-1-to-advance-the-chemosensitivity-to-adriamycin-in-gastric-cancer
#11
Danyi Zhao, Yang Zhang, Lei Song
Chemotherapy can prevent metastasis and recurrence of gastric cancer (GC), and is a well supplement for operation. But, chemotherapy resistance has severely restricted the application of chemotherapy. This study aimed to investigate the regulatory roles and molecular mechanism of miR-16-1 to the chemosensitivity to adriamycin in GC. In this study, the expression of miR-16-1 and FUBP1 was down-regulated and up-regulated respectively in adriamycin-resistant GC tissues and cell lines, and represented a negative relationship between them...
June 30, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28664476/tert-promoter-mutation-and-telomere-length-in-salivary-gland-tumors
#12
LETTER
Heejin Kim, Dongbin Ahn, Jin Ho Sohn, Yong-Hee Kim, Jae-Ho Lee, Hyunsu Lee
No abstract text is available yet for this article.
June 29, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28664475/discordance-rate-of-her2-status-in-primary-gastric-cancer-and-synchronous-lymph-node-metastases-its-impact-on-therapeutic-decision-and-clinical-management
#13
LETTER
A Ieni, G Angelico, G Giuffrè, G Tuccari
No abstract text is available yet for this article.
June 29, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28664474/intratumoral-heterogeneity-of-frameshift-mutations-of-gli1-encoding-a-hedgehog-signaling-protein-in-colorectal-cancers
#14
Ju Hwa Lee, Sang Yong Song, Min Sung Kim, Nam Jin Yoo, Sug Hyung Lee
GLI1 is a transcription factor for hedgehog signaling that plays a crucial role in signaling pathways for controlling cell proliferation, alterations of which are known to contribute to tumorigenesis. Aim of this study was to explore whether GLI1 gene is mutated in gastric (GC) and colorectal cancers (CRC). In a public database, we found that GLI1 had a G7 mononucleotide repeat in the coding sequences that could be a mutation target in the cancers with microsatellite instability (MSI). In this study, we analyzed frameshift mutation of GLI1 in 79 GCs and 129 CRCs (high MSI (MSI-H) or microsatellite stable (MSS)) by single-strand conformation polymorphism analysis and DNA sequencing...
June 29, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28660547/long-term-outcome-of-autologous-hematopoietic-stem-cell-transplantation-ahsct-for-acute-myeloid-leukemia-aml-single-center-retrospective-analysis
#15
Grzegorz Helbig, Anna Koclęga, Krzysztof Woźniczka, Małgorzata Kopera, Sławomira Kyrcz-Krzemień
For patients with acute myeloid leukemia (AML) in complete remission without an acceptable HLA donor, the autologous hematopoietic stem cell transplantation (AHSCT) may remain a therapeutic option as remission consolidation, however its role is still a subject of continued debate. One hundred and twenty patients who underwent AHSCT for AML were included in this retrospective single center analysis. The procedure was performed over a 19 years period and transplanted patients were in first complete remission (CR1; n = 109) or in second CR (CR2; n = 11)...
June 28, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28647900/breast-cancer-risk-associated-with-genotype-polymorphisms-of-the-aurora-kinase-a-gene-aurka-a-case-control-study-in-a-high-altitude-ecuadorian-mestizo-population
#16
Andrés López-Cortés, Alejandro Cabrera-Andrade, Fabián Oña-Cisneros, Felipe Rosales, Malena Ortiz, Eduardo Tejera, César Paz-Y-Miño
Breast cancer (BC) is the leading cause of cancer related death among women in 2014. The AURKA gene that encodes the protein called Aurora kinase A plays an important role in the progression of the cell cycle, by controlling and promoting the entry into the phase of mitosis. The single nucleotide polymorphism AURKA T91A (rs2273535) (Phe21Ile) has been identified as functional alternator of this kinase, the Ile allele is associated with the occurrence of chromosome segregation errors and tumor progression. Therefore, it is essential to know how BC risk is associated with histopathological characteristics, immunohistochemical characteristics, and genotype polymorphism in a high altitude Ecuadorian mestizo population...
June 24, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28584893/development-of-novel-monoclonal-antibodies-for-evaluation-of-transmembrane-prostate-androgen-induced-protein-1-tmepai-expression-patterns-in-gastric-cancer
#17
Mikhail S Karbyshev, Evgeniya S Grigoryeva, Viktor V Volkomorov, Elisabeth Kremmer, Alexander Huber, Irina V Mitrofanova, Evgeniya V Kaigorodova, Marina V Zavyalova, Julia G Kzhyshkowska, Nadezda V Cherdyntseva, Evgeny L Choynzonov
Transmembrane prostate androgen-induced protein 1 (TMEPAI) is a single-span membrane protein, functionally involved in transforming growth factor beta signaling pathway. The particular protein presented in cells in three isoforms, which differs in the length of the soluble N-terminal extracellular domain, making it challenging for the immunochemical recognition. By using quantitative real-time polymerase chain reaction, we identified significant upregulation of PMEPA1 gene expression in malignant tissues of patients with gastric adenocarcinoma...
June 5, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28578489/downregulation-of-lncrna-tuba4b-is-associated-with-poor-prognosis-for-epithelial-ovarian-cancer
#18
Fang-Fang Zhu, Fei-Yun Zheng, Hai-Ou Wang, Jing-Jie Zheng, Qian Zhang
A host of studies have revealed that long non-coding RNAs (lncRNAs) are critically involved in the development and progression of epithelial ovarian cancer. LncRNA TUBA4B is recently identified to be a critical mediator in non-small cell lung cancer. However, the clinical roles and biological functions of lncRNA TUBA4B in epithelial ovarian cancer have yet to be fully clarified. The present study was conducted to explore the expression of lncRNA TUBA4B in human epithelial ovarian cancer tissues and potential roles of lncRNA TUBA4B in ovarian cancer cells...
June 3, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28577130/gemcitabine-cisplatin-treatment-induces-concomitant-sertad1-cdkn2b-and-gadd45a-modulation-and-cellular-changes-in-bladder-cancer-cells-regardless-of-the-site-of-tp53-mutation
#19
Glenda Nicioli da Silva, Leandro Toshio Filoni, Maria Cecília Salvadori, Daisy Maria Fávero Salvadori
Simultaneous use of cisplatin (CIS) and gemcitabine (GEN) for treating bladder cancer has increased because of their complementary effects. However, the molecular mechanisms underlying the activities of these two antineoplastic drugs are not fully known. Here, molecular biology techniques and microscopy were used to investigate transcriptomic and morphological changes in low and high-grade urinary bladder transitional carcinoma cell lines [RT4 - wild type TP53; 5637 - two TP53 mutations, one in codon 72 (Arg-Pro) and other in codon 280 (Arg-Thr) and T24 - in-frame deletion of tyrosine 126 in the TP53 allele] simultaneously treated with CIS/GEN...
June 2, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28567600/dabrafenib-therapy-in-30-patients-with-melanoma-metastatic-to-the-brain-a-single-centre-controlled-retrospective-study-in-hungary
#20
Eszter Gorka, Dániel Fabó, András Gézsi, Kata Czirbesz, Imre Fedorcsák, Gabriella Liszkay
Dabrafenib is a potent BRAF inhibitor, which showed intracranial tumor activity. The purpose of our retrospective analysis was to evaluate the efficacy of dabrafenib for patients with melanoma brain metastasis (BM). We studied 30 BRAF mutant melanoma patients with BM, who received dabrafenib after local control of the brain between 2014 and 2017. Eastern Cooperative Oncology Group Performance Status (ECOG) was 0-2. The control arm consisted of 204 melanoma patients from our institutional melanoma database with BM and ECOG 0-2 treated with local therapies and/or chemotherapy, between 2003 and 2015...
June 1, 2017: Pathology Oncology Research: POR
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