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Polymorphisms in Medical News

Single-nucleotide polymorphisms do not substantially improve risk prediction for breast cancer

Recently identified genetic markers, called single nucleotide polymorphisms (SNPs), that are associated with a small but statistically significant increase in the risk of breast cancer do not appear to substantially improve the accuracy of existing models that use clinical factors to predict an in...

Alcohol consumption and polymorphisms of cytochromes P4502E1 are high risks for ESCC

Heavier alcohol consumption increases the risk of ESCC. There are synergetic interactions among alcohol drinking and ALDH2, ADH1B, CYP2E1 genotypes. The risk of ESCC in moderate-to-heavy drinkers, ALDH2 (1/2) combined with the ADH1B (1/1) genotype; ALDH2 (1/2) combined with the CYP2E1 (c1/c1) geno...

GenVault's GenSolve(TM) Reagents Enable State-of-the-Art Genomic Analysis of Dried Blood Spots

...producibly recover sufficient quantities of DNA, of the correct size and quality, from dry archived FTA cards for analysis of 54,000 single nucleotide polymorphisms on Illumina's BovineSNP50 BeadChip," said Dr. Matthew McClure from the Division of Animal Science at the University of Missouri-Columbia. "GenS...

The GenoMEL project identifies a new region of the genome associated with the risk of melanoma

...- Hospital Clnic of Barcelona researchers Dr. Susana Puig and Dr. Josep Malvehy are the only Spanish authors of this article. Single-nucleotide polymorphisms (SNPs) are small variations in the sequence of nucleotides that make up DNA and can be associated with many genetic diseases. The study published in ...

Possible Gene Regions for Schizophrenia Located

...ipants had different ancestries. The researchers used the latest genetic technologies to search for tiny genetic variations called single base-pair polymorphisms (SNPs). They found that the largest genetic differences between people with schizophrenia and those without the disease were found on chromosome 6. ...

TGen and USC researchers find genetic markers to help fight diabetes

...sitivity in the patients taking the drug. Dr. DiStefano said the next steps in this research will be to characterize the functional effects of the polymorphisms and assess the effect of these variants in other patients. "This work may help treat the right people with the right drug, design better drugs that...
Polymorphisms in Medical Technology

Mayo Researchers Help Discover Genetic Cause for Primary Biliary Cirrhosis

...tients with primary biliary cirrhosis to those of 1,536 people who did not have the disease. Researchers looked at more than 300,000 single-nucleotide polymorphisms (SNPs), the most common genetic variations, among the approximately 11 million known to be present in the human genome. "There were significant d...

New Analysis Evaluated Impact of Genetic Variation on Response to Prasugrel

...-LLY (1) Mega J, Close S, Wiviott S, Shen L, Hockett R, Brandt J, Walker J, Antman E, Macias B, Braunwald E, Sabatine M, Cytochrome P450 Genetic polymorphisms and the Response to Prasugrel. Circulation. 2009 May 19 (2) Myrand SP, Sekiguchi K, Man MZ, Lin X, Tzeng RY, Teng CH, Hee B, Garrett M, Kikkawa...

The Children's Hospital of Philadelphia: New Gene-Searching Method Uncovers Possible New Targets for Crohn's Disease Drugs

...t the most significant gene variants associated with a given disease. Those variants, each a change in a single DNA base, are called single nucleotide polymorphisms (SNPs). However, individual GWA studies often do not have the statistical power to detect subtle but important variants that are involved in dise...

St. Jude Finds More Than 100 Gene Variations Linked With Response to Leukemia Treatment

... the children inherited from their parents. The researchers then determined which of those small, inherited variations, called single-nucleotide polymorphisms (SNPs), were associated with minimal residual disease (MRD). MRD is the small number of leukemic cells that survive after remission induction therapy ...

Scientists Unmask Genetic Markers Associated With Psoriasis

...st time by this study, and two more have since been confirmed by these researchers. Research details The team looked for single nucleotide polymorphisms (SNPs), or DNA changes, at 438,670 sites in 1,359 psoriasis cases and 1,400 healthy controls. Initial scans signaled differences in at least three pre...

St. Jude Identifies Genomic Causes of a Certain Type of Leukemia Relapse

...iagnosed and after they had relapsed. The investigators used millions of genetic markers -- characteristic genetic variations called single nucleotide polymorphisms -- as guideposts to pinpoint genetic changes characteristic of relapsed cells. Using these genetic markers, the researchers analyzed all of the cells'...
Polymorphisms in Medical Products

NanoChip Molecular Biology Workstation

Description:...ology Workstation is an automated multi-purpose instrument that facilitates detection of known sequences, such as in the analysis of Single Nucleotide polymorphisms (SNPs) and Short Tandem Repeats (STRs) using the NanoChip Electronic Microarray. The unique, open-architecture design permits researchers to define, s...
Company:Nanogen, Inc.

ABI PRISM 7900HT Sequence Detection System

Description:...throughput requirements of todays drug discovery process. Key applications include gene expression quantitation and the detection of single nucleotide polymorphisms (SNPs) using the fluorogenic 5 nuclease assay. Real-Time Throughput: Over 5,000 sample wells per day with 384-well block configuration and standard...
Company:Applied Biosystems

CEQ 8800 Genetic Analysis System

Features:...printing techniques. Quantitative analysis is possible by using an option to export the peak heights. Allow simultaneous analysis of single nucleotide polymorphisms at multiple sites of a template (or different templates). Delivers precise DNA sizing, accurate allele assignment and automated data review. Important...
Company:Beckman Coulter, Inc.

CEQ™ 8800 Genetic Analysis System

Features:...printing techniques. Quantitative analysis is possible by using an option to export the peak heights. Allow simultaneous analysis of single nucleotide polymorphisms at multiple sites of a template (or different templates). Delivers precise DNA sizing, accurate allele assignment and automated data review. Important...
Company:Beckman Coulter, Inc.
Polymorphisms in Biological News

Genetic finding could lead to targeted therapy for neuroblastoma

... The researchers reported additional genetic links in Nature Genetics in May. The team discovered that on the gene called BARD1, six single-nucleotide polymorphisms variations in tiny pieces of DNA were also associated with neuroblastoma. "Only two years ago we had very little idea of what causes neuroblasto...

Identification of genetic variants affecting age at menopause could help improve fertility treatment

...h Study, the ARIC study, the HAPI Heart Study), Iceland (AGES-Reykjavik) and Italy (the InCHIANTI study). The scientists found 20 single nucleotide polymorphisms (SNPs) in four different places on chromosomes 19 and 20. SNPs are common genetic variants that influence how humans look, behave, develop disease or...

Researchers gain genome-wide insights into patterns of the world's human population structures

...t Asia, East Asia, Europe, Middle East, and Oceania. This global sampling came from The Human Genome Diversity Project - Center for the Study of Human polymorphisms Most previous genomic studies of this nature have focused on broad-scale patterns of structure among geographically diverse populations, the UW res...

DNA blueprint for healthier and more efficient cows

...he implications of the genome project for the beef and dairy industries are enormous. "The availability of very large numbers of single nucleotide polymorphisms (DNA changes in the genetic blueprint) has allowed the development of gene chips that measure genetic variation in cattle populations and will allow t...

Bovine genome provides clues to possible new developments

...ed the complete sequence from a single Hereford cow and comparative genome sequences for six more breeds, looking for changes called single nucleotide polymorphisms SNPs markers that can help researchers identify favorable traits. "The biggest thing that came out of the SNP project was the resource of the SNP...

Altered gene can increase risk of schizophrenia

...dence for association, in this case between the altered gene and schizophrenia. The researchers evaluated 60 variants of the gene or single nucleotide polymorphisms (SNPs). "Our use of the PPLD was really helpful in sorting the evidence. It showed that of the 60 SNPs we were evaluating, three had a much higher...
Polymorphisms in Biological Technology

Genotyping Single Nucleotide Polymorphisms with Molecular Beacons

Stratagenes custom molecular beacon synthesis assists in detecting SNPs quickly and easily Fei Bao University of Colorado Health Sciences Center, Denver, Colorado We used Stratagenes custom molecular beacons ff, to detect a single nucleotide polymor...

New and Updated Online Tutorials for dbGaP, GAD, and DGV from OpenHelix

...is a database of genotypes and phenotypes with extensive variation data and clinical details GAD is an annotated resource connecting human genes and polymorphisms to diseases and traits, and DGV or Database of Genomic Variants, catalogs and displays structural variation in the human genome. These three new tut...

Data on WaferGen's SmartChip(TM) System to be Presented at 3rd Annual Rediscovering Biomarkers Conference

...in the Institute for Genome Sciences and Policy at Duke University Medical Center. The focus of this program is the validation of single-nucleotide polymorphisms (SNPs) that are related to breast cancer, as well as an examination of the impact the validated SNPs have on patients' disease prognosis and response ...

Vanda Pharmaceuticals to Present Data on Fanapt(TM) and Tasimelteon at the 162nd American Psychiatric Association Annual Meeting

...markers associated with iloperidone efficacy on long term clinical outcome of patients who switch to iloperidone. NR1-058 Effect of polymorphisms in the dopamine receptor 2 gene on iloperidone efficacy for the treatment of patients with schizophrenia. NR7-009 Common effect of anti...

deCODE and Celera Partner to Expand use of deCODE Risk Markers for Heart Attack, Stroke and Diabetes

...ariant of transcription factor 7-like 2 (TCF7L2) gene confers risk of type 2 diabetes," Nature Genetics (2006) 38, 320 - 323; Florez, et. al., "TCF7L2 polymorphisms and Progression to Diabetes in the Diabetes Prevention Program," N Engl J Med (2006); 355:241-250. Contacts: deCODE genetics Edward Fa...

Genomic Health Announces Fourth Quarter and Year-End 2008 Financial Results and Business Progress, Provides 2009 Financial Guidance

... possible in DCIS that is adjacent to invasive ductal carcinoma of the breast. - Results indicating that multiple single nucleotide polymorphisms in the genes that encode ER were not associated with the level of ER expression in breast cancer. This suggests that differences in...
Polymorphisms in Biological Products

ExcelGel DNA Analysis Kit from GE Healthcare, formerly Amersham Biosciences

Description:... ExcelGel DNA Analysis Kit, 1. *Fast, reproducible identification of DNA polymorphisms and high resolution DNA typing. *Semi-dry system offers fast and convenient set-up and clean-up. *Precast, plastic-backed gels and silver stain detect...
Company:GE Healthcare, formerly Amersham Biosciences

SNP Discovery Service from Polymorphic DNA Technologies, Inc.

Description:...ty, only data from the high resolution, high quality region of the DNA sequencing run are used. Our focus on this high quality region ensures that all polymorphisms are reliably detected, including heterozygotes. Simple and Competitive Price Structure Our price is competitive at just $.01 per base per sample, a...
Company:Polymorphic DNA Technologies, Inc.

P/ACE™ MDQ Molecular Characterization System from Beckman Coulter

Description:...ased system provides clear advantages over traditional electrophoresis for DNA quantitation (viral load, gene expression), mutation analysis, and size polymorphisms analysis. The easy-to-use system with microplate connectivity is ideal for basic research, method development, and quality control. The P/ACE Series...
Company:Beckman Coulter
Polymorphisms in Biological Definition

Cancer

... as to mount an immune response against cancer-specific epitopes) and to potential venues for gene therapy for individuals with genetic mutations or polymorphisms that put them at high risk of cancer. Meanwhile, genetic testing for high-risk individuals, with enhanced surveillance or prophylactic surgery for tho...

Human Genome Project

...in identifying differences between individuals. Most of the current effort in identifying differences between individuals involves single nucleotide polymorphisms . Benefits Clear practical results of the project emerged even before the work was finished. For example, a number of companies, such as Myri...

Isozyme

...urpose. Although they have now been largely superseded by more informative DNA -based approaches (such as direct DNA sequencing , Single nucleotide polymorphisms and microsatellites ), they are still amongst the quickest and cheapest marker systems to develop, and remain (as of 2005 ) an excellent choice for...

Promoter

...cs study: Hobbs, K.; Negri, J.; Klinnert, M.; Rosenwasser, L.J.; and Borish, L. (1998). Interleukin-10 and transforming growth factor-beta promoter polymorphisms in allergies and asthma . Am J Respir Crit Care Med . 158 (6), 1958-1962. population genetics study: Burchard, E.G.; Silverman, E.K.; Rosenwass...
Polymorphisms in Biological Dictionary

Polymorphisms

Polymorphism is common in nature; it is related to ... blood types, such as the ABO system, are genetic polymorphisms . ... a range of polymorphisms . ... Polymorphism (biology), having multiple allele of a gene within a population, ... Polymorphism in object-oriented programmi...

Simple Sequence Repeat

...R analysis using anchored simple . sequence repeat primers has gained attention recently ... inheritance of inter- simple sequence repeat polymorphisms ... Comparison of the genomes of mouse and humans, repeat sequences ... There are four times more simple sequence repeats (caused by sli...

Sequence Polymorphism

...netic analyses. IVDB Sequence Polymorphism . For sequence polymorphism analysis Help. Search Option ... Users are able to search sequence polymorphisms by host, subtype, and segment. ... polymorphism n. Biology. The occurrence of different forms, stages, or types in ... a polymorphism can be i...

RFLP

...s where restriction enzymes can RFLP . Restriction fragment length polymorphisms (RFLPs) were the first type of ... blotting with a probe specific for ... isozyme ... RFLP and Genetic Screening. Restriction fragment length polymorphisms ( RFLP ) have ... The first RFLP example will detect an individual with ...

MtDNA

.... Eve book named this mtDNA haplogroup Helena. ... Genome database of polymorphisms and mutations of the human mitochondrial DNA. ... Submittal form for unpublished mtDNA polymorphisms ... In contrast to nuclear DNA, mtDNA follows maternal clonal inheri...

MRNA processing

...ltiple processing body factors and the ARE ... ... affecting transcription and mRNA processing , including splicing and turnover, ... and polymorphisms affecting mRNA post-transcriptional processing is far from ... ... processing events include cleavage at a specific site in the pre- mRN...
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