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Variation in Medical News

Genetic Variation Associated With Survival Advantage in African Americans With HIV

WASHINGTON, July 20 /PRNewswire-USNewswire/ -- From the start of the HIV epidemic, it appeared that some of the people who were infected with the virus were able to ward off the fatal effects of the disease longer than others. Recent studies have begun to unravel the cause of this phenom...

New Map of Genomic Variation Will Enable Disease Research

PHILADELPHIA, July 15 /PRNewswire-USNewswire/ -- Genetics researchers have unveiled a powerful new resource for scientists and health providers studying human illnesses -- a reference standard of deletions and duplications of DNA found in the human genome. Drawn from over 2,000 heal...

Global Testing Shows No Variation in Swine Flu Virus

Experts worry that it could mutate and become more dangerous as it travels from country to country THURSDAY, June 4 (HealthDay News) -- In what would seem to be some encouraging news in the ongoing H1N1 swine flu outbreak, a leading federal health official said Thursday that samples of...

Seasonal variation in blood pressure

A French study reported in the 12th January issue of Archives of Internal Medicine has found a strong correlation between blood pressure and outdoor temperature in a large sample of the elderly.(1) As a result, the investigators advise that, during periods of extreme temperatures, careful monito...

New study replicates association between genetic variation and antidepressant treatment response

Philadelphia, PA, July 15, 2008 Pharmacogenetics, the study of genetic variation that influences an individual's response to drugs, is an important and growing focus in all of medical research, including psychiatry. It is a complex field, however, revealed by the lack of consistent and replicabl...

Gene Variation Linked to Neuroblastoma, a Childhood Cancer

The variant is common in the aggressive form of the disease, researchers report WEDNESDAY, May 7 (HealthDay News) -- For the first time, a gene linked to the often fatal childhood cancer neuroblastoma has been identified, researchers report. "This is the first paper that helps us un...

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Variation in Medical Technology

New Analysis Evaluated Impact of Genetic Variation on Response to Prasugrel

TOKYO and INDIANAPOLIS, Ind., May 5 /PRNewswire-FirstCall/ -- A new substudy from 1,466 patients from the Phase III TRITON-TIMI 38 clinical trial showed that patients who took prasugrel and had a reduced function of the CYP2C19 gene did not have an increased risk of cardiovascular death, heart att...

Genetic Variation Associated with Treatment Response in a Clinical Study of a New Atypical Antipsychotic Fiaptatm (iloperidone)

ROCKVILLE, Md., Feb. 29 /PRNewswire-FirstCall/ -- A study reported in the journal Pharmacogenomics suggests that a genetic variation in the Ciliary Neurotrophic Factor gene (CNTF) may affect response to antipsychotic treatment. The study, conducted by Vanda Pharmaceuticals Inc., included patie...

Researchers Discover a Common Variation in a Gene Segment that Increases the Risk for Prostate Cancer

BETHESDA, Md., April 1, 2007--Researchers report that a variation in a portion of DNA strongly predicts prostate cancer risk and that this common variation may be responsible for up to 20 percent of prostate cancer cases in white men in the United States. The research was conducted by investigator...

University of Michigan Study Shows SEQUENOM's MassARRAY Technology Identifies HPV Infections Missed by Standard Hybridization Test

...tem facilitates a number of nucleic acid analysis applications including single nucleotide polymorphism (SNP) genotyping and allelotyping, copy number variation analysis, quantitative gene expression analysis, quantitative methylation marker analysis, comparative sequence analysis of haploid organisms, SNP dis...

Hand Washing with 4% CHG Antiseptic Kills Flu Viruses

...tiseptic/Antimicrobial Skin Cleanser and Hibistat Healthcare Personnel Hand Antiseptic Towelettes have been tested and found to be effective against a variation of the A H1N1 Swine Flu Virus, when used according to package instructions. The strain tested was Swine Flu Influenza A H1N1 A/Swine/Iowa/15/3. ...

Gene Findings Unlocking Reasons for Neuroblastoma Risk

...of neuroblastoma. A second genome-wide study found that a copy number variation (CNV) -- a missing stretch of DNA -- along a structurally weak location on ...009. ( http://dx.doi.org/10.1038/ng.374 ) Diskin et al, "Copy number variation at 1q21.1 associated with neuroblastoma," Nature , published June 18, 2009...
Variation in Medical Products

Pipet Verification Service - PVS

Description:...ceipt, a report will be faxed and then mailed to your laboratory. PVS results include a mean volume delivered, standard deviation (SD), coefficient of variation (CV) and percent recovery. This data can be used to determine the performance of your pipets and filed for inspection purposes....
Company:Streck

Mini-PROTEAN 3 Dodeca Cell With Multi-Casting Chamber

Description:...utes. Handcast gels can be poured 12 at a time with the new Model 485 gradient former and Mini-PROTEAN 3 multi-casting chamber, eliminating sources of variation and improving reproducibility. Alternatively, Ready Gel precast gels offer the convenience and reproducibility demanded by higher throughput labs....
Company:Bio-Rad Lab Equipment

Mini-PROTEAN 3 Dodeca Cell

Description:...utes. Handcast gels can be poured 12 at a time with the new Model 485 gradient former and Mini-PROTEAN 3 multi-casting chamber, eliminating sources of variation and improving reproducibility. Alternatively, Ready Gel precast gels offer the convenience and reproducibility demanded by higher throughput labs....
Company:Bio-Rad Lab Equipment

Fundus 20mm

Description:... The Fundus 20mm is a variation of Volk's standard Fundus Lens. The Fundus 20mm provides 1.44x magnification and has an increased 20mm contact element. The lens is designed so that t...
Company:Volk Optical, Inc.

Cortisol RIA Test

Description:...so secreted independently of the circadian rhythm in response to physical and psychological stress [4,5]. Elevated cortisol levels and lack of diurnal variation have been identified in patients with Cushings disease (ACTH hypersecretion) [2,6]. Elevated circulating cortisol levels have also been identified in ...
Company:Diagnostic Systems Laboratories, Inc.

IGFBP-3

Description:... IGFBP-3 contains 266 amino acids and is variably N-glycosylated. The variation accounts for its varying molecular weight estimates of between 43 and 56 kDa. Insulin-like growth factor binding proteins bind IGF-I and IGF-II with h...
Company:Nichols Institute Diagnostics
Variation in Medical Dictionary

Waardenburg syndrome

...,000 people. ... Waardenburg syndrome n. A hereditary syndrome characterized by varying degrees of deafness and facial bone defects and by variation in pigmentation Waardenburg syndrome (WS) is an inherited disorder often characterized by ... observed characteristic of Waardenburg syndro...

Skin color

...ge from almost black to nearly colorless in different people. Skin color is determined by the amount and type of melanin, the pigment in the skin . variation in skin color is largely due to genetics. As... Discussion on skin color and the origin of races ... The most obvious of these is skin co...

Simian crease

...30 people. ... Online Medical Dictionary and glossary with medical definitions ... Simian crease : A single transverse palmar crease , a minor variation associated ... However, a simian crease appears in approximately 1 out of 30 people. ... A simian crease is often a normal finding, occurr...

Reservoir

... and offers public recreational use of its reservoirs Normandy Reservoir rated poor in 2008, consistent with the poor to "low fair" ... Little variation in reservoir condition or individual indicators was observed ... COALBED METHANE: RESERVOIR PERFORMANCE PREDICTION. CBM: Performance Predictio...

Penis

... Explores male sexuality issues, including andropause, hypospadias, penis size, masturbation, and oral sex. Photographs of the variation in penile shaft, glans, and skin ... Erect penis size, shape & angle. Hypospadias/ Epispadias/ Peyronie's ... Information about penises, f...

Orgasm

...For other uses, see Orgasm (disambiguation). An orgasm (sexual climax) is the ... 3.1 Function of female orgasm . 3.2 Genetic basis of individual variation ... Real female orgasms captured on video and in movie samples. ... See her pussy drip and contract as she has an orgasm ! ... She loves to tea...
Variation in Biological News

Genetic variation may lead to early cardiovascular disease

Researchers from Duke University Medical Center have identified a variation in a particular gene that increases susceptibility to early coronary artery disease. For years, scientists have known that the devastating, early-onset form of the disease was inherited, but they knew little about the gene...

Why do people vote? Genetic variation in political participation

Washington, DCA groundbreaking new study finds that genes significantly affect variation in voter turnout, shedding new light on the reasons why people vote and participate in the political system. The research, conducted by political scientists James H. Fowler, Christopher T. Dawes (of UC San ...

Genetic variation linked to sugary food

Bethesda, MDA new study released today in the online edition of Physiological Genomics finds that individuals with a specific genetic variation consistently consume more sugary foods. The study offers the first evidence of the role that a variation in the GLUT2 gene a gene that controls sugar ent...

Gene variation may elevate risk of liver tumor in patients with cirrhosis

A particular gene variation appears to significantly increase the risk that individuals with cirrhosis of the liver will go on to develop hepatocellular carcinoma (HCC), a liver tumor that is the third leading cause of cancer death. In the January 2 Journal of the American Medical Association, re...

Copy number variation may stem from replication misstep

Genome rearrangements, resulting in variations in the numbers of copies of genes, occur when the cellular process that copies DNA during cell division stalls and then switches to a different genetic template, said researchers at Baylor College of Medicine in Houston in a report that appears today ...

Mental stress reduces blood flow to the heart in patients with gene variation

GAINESVILLE, Fla. University of Florida researchers have identified a gene variation in heart disease patients who appear especially vulnerable to the physical effects of mental stress to the point where blood flow to the heart is greatly reduced. Searching for the presence of this gene may b...

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Variation in Biological Technology

Matrix Genomics, Elizabeth Corder, PhD - Gene Variation in the LRRK2 Gene and High Risk for Parkinson's Disease

Researchers at the National Institute on Aging, University College London, and Matrix Genomics, Inc. have identified a concise genetic signature found among a third of Parkinson's disease (PD) patients - but at very low frequency in the general population. The signature is found in the LRRK2 gene...

454 Sequencing(TM): Science Paper Suggests That Structural Variation Plays an Important Role in Genetic Variation

BRANFORD, Conn., Sept. 27 /PRNewswire/ -- 454 Life Sciences, a Roche company, in collaboration with Yale University researchers today announced that they have developed a method, using the company's Genome Sequencer(TM) FLX system, to identify significant human genetic variability with an unpr...

Chromosome breakpoints contribute to genetic variation

CHAMPAIGN, Ill. A new study reveals that contrary to decades of evolutionary thought chromosome regions that are prone to breakage when new species are formed are a rich source of genetic variation. The functions of genes found in these "breakpoint regions" differ significantly from those o...

Transgenomic Awarded SBIR Grant to Support Development of SURVEYOR(R) Endonuclease Adaptor-ligated Libraries (SEAL) for Determining Whole Genome Sequence Variation

OMAHA, Neb., Nov. 20 /PRNewswire-FirstCall/ -- Transgenomic (OTC Bulletin Board: TBIO) today announced that it has been awarded a Phase I Small Business Innovation Research (SBIR) award by the National Science Foundation (NSF) to support the development of its proposed SURVEYOR Endonuclease Adapto...

Transgenomic Introduces SURVEYOR(R) Endonuclease Adaptor-Ligated Libraries (SEAL) for Determining Whole Genome Sequence Variation

High Throughput Technology Identifies DNA Variations Between a Reference Genome and Test Genome OMAHA, Neb., June 17 /PRNewswire-FirstCall/ -- Transgenomic (OTC Bulletin Board: TBIO) today announced that it is developing SURVEYOR Endonuclease Adaptor-ligated Libraries (...

Consortium publishes Phase II map of human genetic variation

The International HapMap Consortium today published analyses of its second-generation map of human genetic variation, which contains three times more markers than the initial version unveiled in 2005. In two papers in the journal Nature, the consortium describes how the higher resolution map offer...
Variation in Biological Products

Anti-P-selectin Glycoprotein Ligand-1 (PSGL-1) Monoclonal Antibody, Unconjugated, Clone KPL-1 from CHEMICON

Description:... all blood neutrophils, NK cells, blood cells, T cells, and monocytes, but PSGL-1 stains B cells at significantly lower levels than other cell types. variation in tyrosine sulfation during B cell differentiation may affect the stability of B cells to interact with P- and L-selectin....
Company:CHEMICON

Gene Pulser/E. coli Pulser Cuvette Rack from Bio-Rad

Description:...rchasing the highest-quality equipment for consistent protocol reproduction. The PulseTrac diagnostic algorithm of the Gene Pulser II system minimizes variation among experiments and delivers consistent electroporation over the lifetime of the unit. With the Gene Pulser II system, the electrical variables are ...
Company:Bio-Rad

Reacti-Bind White Opaque 96-Well plates from Pierce Biotechnology, Inc.

Description:...ing surface improves the overall performance in immunoassay applications Plates are certified for performance Consistent lower coefficients of variation Eight-well strips fit snugly in the plate frame, virtually elimi-nating strip loss while in use even if turned upside down Strip guides help ...
Company:Pierce Biotechnology, Inc.

96 Well Plate EB from Thermo Scientific

Description:...EB, RE bottom; high binding irradiated surface to provide increased binding affinity for hydrophilic proteins and complexes. Guaranteed coefficient of variation (CVs)....
Company:Thermo Scientific
Variation in Biological Definition

Animal

...data , whereas the various other forms have been separated out. The above lists represent our current understanding of the group, though there is some variation from source to source. Examples Some well-known types of animals, listed by their common names: alpaca , ant , antelope , badger , b...

Antibiotic resistance

...cape immunity induced by vaccines. While theoretically promising, anti-staphylococcal vaccines have shown limited efficacy, because of immunological variation between Staphylococcus species, and the limited duration of effectiveness of the antibodies produced. Development and testing of more effective vacc...

Antibody

...enes than exist in the genome . Instead, as Susumu Tonegawa showed in 1976, portions of the genome in B lymphocytes can recombine to form all the variation seen in the antibodies and more. Tonegawa won the Nobel Prize in Physiology or Medicine in 1987 for his discovery. IgG IgG is a monomeric i...

Biology

...logy to determine DNA sequences which assist in understanding the genetic variation of a population; and physiology borrows extensively from cell biology in de... cell types. Genetics is the science of genes , heredity , and the variation of organisms . In modern research, genetics provides important tools in ...

Full blood count

... cell hemoglobin concentration (MCHC) - the average concentration of hemoglobin in the cells. Red cell distribution width (RDW) - a measure of the variation of the RBC population White cells Total white blood cells - All the white cell types are given as a percentage and as an absolute number pe...

Cancer

...ope . Among the distinguishing traits are a large number of dividing cells, variation in nuclear size and shape, variation in cell size and shape, loss of specialized cell features, loss of normal t...
Variation in Biological Dictionary

Variation

Magnetic variation , difference between magnetic north and true north, ... Variation (music), formal technique where material is altered during repetition ... In music, variation is a formal technique where material is altered during repetition: reiteration with changes. The changes may...

Phase variation

Phase variation is an immune evasion technique employed by various types of bacteria, including Salmonella species. It involves the switching of surface antigens, to evade specific adaptive immune system responses. Identification of mutants with increased phase variation frequencies. M...

Antigenic variation

Antigenic variation is the process by which an infectious organism alters its surface proteins in order to evade a host immune response. This change in antigenic profile may occur as the pathogen passes through a host population or may take place in the originally infected host. T...

X-ray diffraction

...action , ... x-ray diffraction ( ′eks ′rā di′frakshən ) ( physics ) The scattering of x-rays by matter, especially crystals, with accompanying variation in x-ray crystallography n. The study of crystal structure by means of x-ray diffraction . ... What important scientific discoveries were mad...

Tandem repeat sequence

.... Polymorphism of tandem repeats within protein-coding sequences is known to ... expect higher levels of tandem repeat sequence length variation in these genes. ... sequence consisted of tandem repeats . Alligator mississip ... 6.— Sequence (59 to 39) of the tandem repeat region i...

Symbiogenesis

...ted by DNA mutations. ... Symbiogenesis is the resulting evolu- tionary change that occurs by perma ... Ever since I learned about the idea that variation in evolution arises by symbiogenesis , I ... Symbiogenesis and the Origin of Species, and by Ivan Wallin, ... The Subject Bibliographies in E...
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