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polymorphism

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polymorphism - 1. The occurrence of allelic variation at a locus. Polymorphism in nucleotide sequences has provided powerful diagnostic tools. See: DNA diagnostics, microsatellites, restriction fragment length polymorphism. 2. The occurrence of two or more forms in a population. See: balanced polymorphism, chromosomal polymorphism. [FAO]

News archive for polymorphism.

Applied Biosystems offers new service partnership  -  21 Aug 2007
OutSourcing-Pharma.com,...and SNP detection, such as validation or fine mapping studies that require obtaining high throughput single nucleotide polymorphism (SNP) data.

Genomic Polymorphism at the Interferon-Induced Helicase (IFIH1 ...  -  Aug 6, 2007
Journal of Clinical Endocrinology and Metabolism,Previous investigations have also demonstrated that an intronic polymorphism (termed PD1.3; SNP ID rs11568821) in the programmed cell death (PDCD1) gene was

Molecular Evidence for a Link between the N363S Glucocorticoid ...  -  Aug 6, 2007
Journal of Clinical Endocrinology and Metabolism,However, molecular studies in vitro using reporter gene expression systems have failed, for the most part, to define a link between this polymorphism and

Association of Prostaglandin E Synthase 2 (PTGES2) Arg298His ...  -  Aug 6, 2007
Journal of Clinical Endocrinology and Metabolism,The PTGES2 Arg298His polymorphism was reinvestigated in a population-based cross-sectional study (Cooperative Health Research in the Augsburg Region)

ADHD-Linked Gene Variant Associated with Good Outcomes  -  Aug 7, 2007
MedPage Today,The polymorphism is the 7-repeat form of the 48-base pair variable number tandem repeat in exon 3 of DRD4. In previous studies, the investigators found that

FDA Issues Generic Manufacturing Guidance on Polymorphic Ingredients  -  Aug 10, 2007
FDA news (subscription),Polymorphism refers to the existence of different forms of the same substance. Generic drugmakers should investigate whether active pharmaceutical

Keep On Top Of New Threats  -  Aug 9, 2007
Processor.com,One of our security team members put it this way: Polymorphism is just new ‘functionality’ making attacks more advanced and much more likely to bypass

Polymorphisms of the Dopamine D 4 Receptor, Clinical Outcome, and ...  -  Aug 6, 2007
Archives of General PsychiatryWe drew comparisons with a single nucleotide polymorphism in the dopamine D 1 receptor (DRD1) gene, which was associated with ADHD within our cohort,

Presence of lipoprotein lipase S447X stop codon affects the ...  -  Jul 30, 2007
The Journal of Thoracic and Cardiovascular SurgeryLipoprotein lipase S447X polymorphism has been shown to be protective against atherosclerosis. The aim of the study was to investigate the effect of

Novel agent counteracts cocaine-induced sympathetic activation  -  Aug 9, 2007
Medicexchange (press release),This counteraction occurred even in the seven subjects who were homozygous for a polymorphism in the alpha-2-C adrenergic receptor that causes a loss of

Storm Worm Surging Again  -  Aug 8, 2007
Security Pronews,Researcher Rachit Mathur wrote on McAfee's Avert Blog that variants of this Storm worm employ server-based polymorphism to evade detection.

The Catechol-O-Methyltransferase Met 158 Low-Activity Allele and ...  -  Aug 6, 2007
Journal of Clinical Endocrinology and Metabolism,Objective: The aim of our study was to determine whether this polymorphism is associated with bone parameters and fracture risk in elderly subjects.

Jeng-Yueh Hsiao, Ming-Chia Hsieh, Kai-Jen Tien, Shih-Chie Hsu ...  -  Aug 6, 2007
Journal of Clinical Endocrinology and Metabolism,The human Tg gene polymorphism has specific features that make it important in GD. Objective: This study investigated whether Tg single nucleotide

Worries of Storm forming massive botnet  -  Aug 9, 2007
Virus Bulletin,...carried new and improved versions of the malware, which uses server-side polymorphism and other techniques to minimise detection by security software.

Advances in Neuromuscular Disease  -  Aug 15, 2007
Medscape (subscription)It has been proposed that a polymorphism is likely to be detected only if the population in question is exposed to a toxin, the detoxification of which is

Cytotoxic T-Lymphocyte Associated Antigen 4 Gene Polymorphisms and ...  -  Aug 6, 2007
Journal of Clinical Endocrinology and Metabolism,Conclusion: The CT60 polymorphism of CTLA-4 maps an important genetic determinant for the risk of both GD and HT across diverse populations.

Shelley A Cole and Anthony G Comuzzie  -  Aug 7, 2007
Am J Clin Nutr (subscription),Very little, if anything, is known about the potential functional significance of any given ACDC polymorphism. It is now time for investigators to proceed

Applied Biosystems Launches Genotyping Service Provider Program  -  Aug 17, 2007
GenomicsProteomics.com (press release),...genotyping research, such as validation or fine mapping studies that require obtaining high-throughput single nucleotide polymorphism (SNP) data.

Metamorphic malware sets new standard in antivirus evasion  -  Aug 1, 2007
SearchSecurity.com,Evolving from the deficiencies of polymorphism, metamorphic malware brought virus mutation to the next level. Instead of mutating the EVB and reapplying a

Progress toward a systems biology approach to acute lung injury  -  Jul 31, 2007
AJP-Lung Physiology (subscription)In these cases, the polymorphism will be in a different location (usually on a different chromosome) from the gene with the altered level of transcript

Sanger wins more than £7m to probe genetic variations  -  Aug 16, 2007
Business Weekly,...and new findings are coming out of the TB scan and the non-synonymous single nucleotide polymorphism (SNP) study," said Dr Deloukas.

Epilepsy Diagnosis and Management  -  Aug 16, 2007
Medscape (subscription)Although carbamazepine is primarily metabolized by a different cytochrome enzyme (CYP3A4), this genetic polymorphism in the CYP3A5 enzyme may account for

Keeping Our Depressed Patients in the Right Treatment Long Enough ...  -  Aug 1, 2007
Am J Psychiatry (subscription)Associations with citalopram response were found with two genetic markers: a previously identified polymorphism in the serotonin 2A receptor gene, HTR2A,

Gene Variant Linked to Lou Gehrig's Disease  -  Aug 1, 2007
Forbes,The most significant association was for a SNP (single nucleotide polymorphism) near the FLJ10986 gene. The FLJ10986 protein was found to be produced in

Cystic Intraventricular Solitary Fibrous Tumor  -  Aug 13, 2007
AJNR (subscription),It is important to understand and recognize the protean nature and imaging polymorphism of this tumor. Fig 1. A, Axial contrast-enhanced T1-weighted image

Is Compulsive Hoarding a Genetically and Neurobiologically ...  -  Aug 10, 2007
Focus (subscription)...(8) found that the met/met (L/L) genotype of the catechol O-methyltransferase val158met polymorphism on chromosome 22q11 was significantly more prevalent in

Variant Of Dopamine Receptor Gene Linked To ADHD  -  Aug 10, 2007
Medical News Today,One of which is a polymorphism of the dopamine D4 receptor gene (DRD4), called 7-repeat form. The authors write "Previous studies have suggested that

Association of GRIK4 With Outcome of Antidepressant Treatment in ...  -  Aug 1, 2007
Am J Psychiatry (subscription)The T-allele of this single nucleotide polymorphism had a frequency of 43.1% in comparison subjects, 44.1% in responders, and 52.5% in nonresponders

Complement C3 Variant and the Risk of Age-Related Macular Degeneration  -  Aug 8, 2007
New England Journal of Medicine (subscription),Results The common functional polymorphism rs2230199 (Arg80Gly) in the C3 gene, corresponding to the electrophoretic variants C3S (slow) and C3F (fast),

Breast cancer and genome-wide association studies  -  Aug 8, 2007
Australian Life Scientist,...instead identified TNRC9, as well as another important gene polymorphism associated with an increased risk of estrogen receptor-positive breast cancer.

Variant of the dopamine receptor gene may be associated with ADHD  -  Aug 7, 2007
News-Medical.net,One of the most frequently cited is a polymorphism or different type of the dopamine D4 receptor gene (DRD4) known as the 7-repeat form.

Measuring happiness with nanotechnology?  -  Aug 4, 2007
Nanowerk LLC,For several years we have been applying nanotechnology to disease diagnosis, especially the detection of biomarkers, SNP [single nucleotide polymorphism]

HIV therapy leads way in personalised medicine  -  Aug 2, 2007
LabTechnologist.com,However, a second polymorphism, which was found near the HLA-C gene, could provide a better target for new therapies. The study suggests that for some

RPRC scientists crack plant genetic makeup  -  Aug 2, 2007
Newindpress (subscription),Various molecular markers like Random Fragment Length Polymorphism and Random Amplified Polymorphic DNA are used to understand the genetic structures at

Tepnel to launch new molecular services  -  Aug 1, 2007
US-PharmaTechnologist.com,The first will be a high throughput single nucleotide polymorphism (SNP) genotyping service that uses a semi-automated approach based on miniaturised,

Gene Variant Predicts Treatment Success in Depression  -  Aug 1, 2007
MedPage Today,This new association of treatment response with a single-letter genetic variation -- a single nucleotide polymorphism (SNP) -- is the second to come out of

BioTrove Reports Strong First Half  -  Aug 1, 2007
PharmaLive.com (press release),...multiple applications, including single nucleotide polymorphism (SNP) genotyping and real-time quantitative polymerase chain reaction (PCR)-based tests.

Buffering Mechanisms in Aging: A systems approach towards ...  -  Jul 31, 2007
Scientist Live,We study 66 common allelic site polymorphism in 36 candidate genes on the basis of their phenotype. Among them we have identified a candidate buffering

Esophageal atypical carcinoid tumor with tracheal invasion  -  Jul 30, 2007
The Journal of Thoracic and Cardiovascular SurgeryDiagnosis of atypical carcinoid tumor was reached owing to increased mitotic activity, nuclear polymorphism, increased cellularity with disorganized

New MS Genetic Risk Factors Found  -  Jul 30, 2007
MedPage Today,The variation - or single nucleotide polymorphism (SNP) -- is dubbed rs6897932. Dr. Hafler and colleagues and Dr. Haines and colleagues put the significance

New evidence for genetic factors in multiple sclerosis  -  Jul 30, 2007
PHG Foundation,The initial study looked at the association between more than 300000 single nucleotide polymorphism (SNP) markers across the genome in over 900 family trios

10 Reasons Why C Should Be Your First Programming Language  -  Jul 27, 2007
CGI Directory (press release),To master these languages you need to have a strong concept of programming element such as polymorphism, classes, inheritance etc.

Full Text  -  Jul 26, 2007
Science Magazine (subscription)Some 40957 positively coded character states, each with the potential for intraspecific polymorphism, were included [excluding missing, inapplicable,

SPI Dynamics Expert Researchers to Demonstrate Hacking Ajax Web ...  -  Jul 23, 2007
PR Newswire (press release),...bullet fix from stopping its propagation, and how web worms could implement polymorphism and source code mutation to evade signature detection systems.

Emotion recognition and genetic vulnerability to schizophrenia  -  Aug 1, 2007
British Journal of Psychiatry (subscription),...polymorphism affecting dopamine or serotonin neurotransmission as well as the correlation between emotion recognition performance and amygdala volume.

Neuroimaging and other neurobiological indices in schizophrenia ...  -  Jul 31, 2007
British Journal of Psychiatry (subscription),...brain morphometric correlates of brain-derived neurotrophic factor Val66Met gene polymorphism in patients with schizophrenia and healthy volunteers.




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