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2 edition of Identification of a novel gene and its role as a putative suppressor of pancreatic cancer. found in the catalog.

Identification of a novel gene and its role as a putative suppressor of pancreatic cancer.

Kouros Latifpour Moozar

Identification of a novel gene and its role as a putative suppressor of pancreatic cancer.

by Kouros Latifpour Moozar

  • 220 Want to read
  • 38 Currently reading

Published .
Written in English


About the Edition

The breakpoint on the short arm of chromosome 6 (6p) was refined to within 31 kilobases, bisecting a putative gene. Gene identification experiments demonstrated 3 isoforms of a transcriptional unit at this locus. Molecular analyses identified a novel gene (TPC) with 13 exons and a 495 amino acid open-reading frame. A portion of this protein has high sequence homology to a membrane-bound O-acyltransferase motif and co-localizes to the endoplasmic reticulum. Loss of heterozygosity was detected in 55.7% of the informative cases of pancreatic cancer. A sequence variant (F412L) corresponds to a highly conserved phenylalanine. The combined results suggest this newly identified gene should be considered as a candidate for involvement in pancreatic cancer.A patient with early onset pancreatic cancer and a familial germline balanced translocation t(2;6)(p25;p22) was characterized. We hypothesize that by characterizing the translocation breakpoints we may identify generic factors of importance in pathogenesis of pancreatic cancer.

The Physical Object
Pagination88 leaves.
Number of Pages88
ID Numbers
Open LibraryOL19748037M
ISBN 100612915581

This can be achieved by identification of specific gene profiles, which may promote chronic inflammation and pancreatic cancer progression, and . Metastasis suppressor genes have been defined as a group of genes that suppress the metastatic potential of cancer cells without affecting tumorigenicity through targeting one of the key steps of the invasion–metastasis cascade (Smith and Theodorescu, ; Steeg, ).To date, only few metastasis suppressor genes have been characterized (Smith and .

Numerous studies also have indicated the roles of altered oncogenes and tumor suppressor genes in gastric cancer development and progression, including E-cadherin / CDH1, TP53, p16 (5 – 7, 14 – 17) and runt-related genes (18, 19). In addition, increasing evidence has indicated that Krüppel-like factor (KLF) 4 appears to be a putative. Pancreatic cancer is the fourth leading cause of cancer death in both men and women in the United States. In , it is estimated that 43 Americans will be diagnosed and 36 patients will die of pancreatic cancer. 1 Most pancreatic cancers are pancreatic ductal adenocarcinomas and the 5-year survival rate for patients with localized disease after surgical .

The integrin β6 gene, which is expressed in epithelial cancer, plays a pivotal role in various aspects of cancer progression. The present research for integrin β6 regulation mainly focuses on the post-transcription and translation related regulation mechanism and its role in tumorigenesis.   BackgroundMicroRNAs (miRNAs) represent a class of small non-coding RNAs that control gene expression by targeting mRNAs and triggering either translation repression or RNA degradation. Emerging evidence suggests the potential involvement of altered regulation of miRNA in the pathogenesis of cancers, and these genes are thought to function as both tumor .


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Identification of a novel gene and its role as a putative suppressor of pancreatic cancer by Kouros Latifpour Moozar Download PDF EPUB FB2

We verified that rap1GAP is down-regulated in pancreatic cancer and provide data to support its critical role in pancreatic cancer progression. Furthermore, we also show that a significant number of pancreatic cancer patients have loss of heterozygosity (LOH) of the rap1GAP gene located at chromosome 1pp35, indicating that rap1GAP may be a novel tumor suppressor gene in pancreatic by:   Microarray analysis, a powerful tool for identifying genes associated with cancer, recently revealed that expression of SA11 is up-regulated in pancreatic cancer (9).

The data suggest that SA11 may be a novel diagnostic marker for pancreatic by:   Thus, the VHL gene does not appear to play a pathogenic role in the development of sporadic pancreatic endocrine tumors. Instead, a locus at chromosome 3p25 may harbor a novel pancreatic endocrine tumor suppressor gene, and allelic loss of this chromosomal region may serve as a molecular marker that helps distinguish benign from Cited by:   HNF1A, a risk factor gene for pancreatic ductal adenocarcinoma, is critical to maintaining pancreatic cancer stem cell properties through regulating POU5F1 (OCT4) expression, providing a novel role for HNF1A in maintenance of the by: Request PDF | RBM5 as a Putative Tumor Suppressor Gene for Lung Cancer | RBM5 is one member of a group of structurally related genes that includes RBM6 and RBM RBM10 maps to Xp, and one.

Chromosome positions that have frequent LOH in pancreatic cancer often harbor important tumor suppressor genes 9,10, Chromosome losses are more common than chromosome gains in pancreatic cancer 4. According to allelotyping data in pancreatic cancer xenografts, DNA loss in xenografts ranges from % to 32% of the genome Despite this.

Aberrant promoter hypermethylation is a common mechanism for inactivation of tumor suppressor genes in cancer cells. To generate a global profile of genes silenced by hypermethylation in renal cell cancer (RCC), we did an expression microarray-based analysis of genes reactivated in theACHN, HRC51, and HRC59 RCC lines after treatment with.

The gene p16/CDKN2A, also known as INK4A, is the most commonly inactivated tumor suppressor gene in pancreatic cancers (59). The encoded protein belongs to the cyclin-dependent kinase (CDK) inhibitor family and inhibits cell cycle progression through the G1-S checkpoint mediated by CDKs such as CDK4 and   Identification of Putative Cancer-Susceptibility Genes.

The arrow refers to a putative oncogene or putative tumor suppressor gene inferred by associations between expression levels of these genes and risk alleles of index SNPs from GWAS.

(C) A total of 23 target genes commonly observed in different cancer types are located in the three. The putative tumour suppressor protein Latexin is secreted by prostate luminal cells and is downregulated in malignancy the normal function of LXN and subsequently its role. Due to its aggressive nature, pancreatic ductal adenocarcinoma cancer (PDAC) is the deadliest of all solid cancers [].Patients with PDAC often present without symptoms and, by the time of diagnosis, exhibit lymph node and distant metastases as well as vessel invasion [].The prognosis of patients with PDAC has not been improved by surgery or current chemotherapy, with the 5.

TP53 regulates miRa/b and TP53INP1 expression in pancreatic cancer cells TP53 is a tumor-suppressor gene and has a fundamental role in pancreatic cancer cell apoptosis (17). We constructed the pcMV6/TP53 vector or obtained SiTP53 and infected them into the pancreatic cancer cell lines.

Although genomic sequencing has provided a better understating of the genetic landmarks in triple-negative breast cancer (TNBC), functional validation of candidate cancer genes (CCG) remains unsolved.

In this study, we used a transposon mutagenesis strategy based on a two-step sleeping beauty (SB) forward genetic screen to identify and validate new tumor suppressors. Identification of genes correlated in expression with FOXM1 was performed using Pearson method.

Only genes associated with BH adjusted p pancreatic cancer cell lines were retrieved from Supplementary Material of.

The first novel SNP, rs, identified to be suggestively associated with breast cancer from this GWAS is located on chromosome 3q near to the 5′ end of ALCAM gene.

To investigate whether miRp directly regulates novel target genes, we focused on the SLC22A7 gene, which has been reported to be a transporter of 5-FU in cancer cells 21 and a putative. LIM homeobox domain 6 (LHX6) is a putative transcriptional regulator that controls the differentiation and development of neural and lymphoid cells.

However, the function of LHX6 in cancer. Gene Identification The RAS-association domain family 1, isoform A (RASSF1A) tumor suppressor gene (TSG), is a member of a new group of RAS effectors thought to regulate cell proliferation and apoptosis.

Formally known as F2, two laboratories independently cloned and sequenced RASSF1 (1, 2). The TSLC1 (tumor suppressor in lung cancer-1) gene is a novel tumor suppressor gene on chromosomal region 11q, and is frequently inactivated by concordant promoter hypermethylation and loss of.

In this issue of Clinical Cancer Research, Wartenberg and colleagues offer a novel approach to classifying patients with pancreatic cancer ().Traditionally, pancreatic cancer has been considered a disease with a uniformly poor outcome.

Nonetheless, as with every other malignancy, there is substantial heterogeneity in its behavior and clinical course. Specifically, the aberrant methylation of tumor-suppressor genes has an important role in the cancer development process.

8,9 Recent studies suggest that aberrant DNA methylation is also an.Genomic changes affecting tumour suppressor genes are fundamental to cancer. We applied SNP array analysis to a panel of testicular germ cell tumours to search for novel tumour suppressor genes and identified a frequent small deletion on 6q affecting just one gene, ZDHHC The expression of ZDH.

Author summary Centrosome amplification, i.e. an increased number of centrosomes—structures that exist inside cells, is a hallmark of cancer cells and therefore an Achilles' heel for the development of innovative therapies that specifically target tumour cells, sparing healthy ones.

To exploit centrosome amplification’s clinical potential, it is crucial to understand its role in cancer.