Chromosomal

Cepheid Announces European Release of Improved Test for BCR-ABL Chromosomal Translocation Associated With Chronic Myelogenous Leukemia (CML)

Oncology Test Further Highlights Broad Market Applicability of GeneXpert System SUNNYVALE, Calif., June 17 /PRNewswire-FirstCall/ -- Cepheid (Nasdaq: CPHD ) today announced the release of its improved Xpert(R) BCR-ABL Monitor test to be marketed as a CE IVD product under the Euro...

'Ambry Genetics Announces Launch of Chromosomal Microarray to Offer Whole Genome Analysis'

ALISO VIEJO, Calif., June 3 /PRNewswire/ -- Ambry Genetics is pleased to announce the launch of whole-genome Chromosomal Microarray Analysis (CMA), offering the Ambry CMA: 105K Oligo Array, which is designed to identify chromosomal abnormalities associated with over 270 genetic disorders. In a pa...

Unusual chromosomal changes increase the risk of schizophrenia

People with schizophrenia have an increased number of unusual chromosomal changes, particularly structural changes that have the potential to alter the function of the genes. These results were published today in the scientific journal Nature . Research scientists found changes in the structur...

Prenatal biochemical screening only detects half of chromosomal abnormalities

Barcelona, Spain: Prenatal biochemical screening tests are widely used to look for chromosomal abnormalities in the fetus which can lead to serious handicap, or even death during gestation or in the first few days after birth. But these tests are only able to detect fewer than half of the total ...

New technique detects specific chromosomal damage, may indicate lung cancer risk

A new technique could pave the way toward screening people at risk for lung cancer for the genetic changes that may foreshadow malignancies, researchers from the University of Colorado say. The most successful way to reduce mortality in cancer is prevention, said researcher Wilbur A. Franklin, ...

Hunt for Chromosomal Errors Which Cause Genetic Diseases

Commercially available gene chips have been used by a pediatric research team to scrutinize all of a patient’s chromosomes in order to identify small defects that lead to genetic diseases //. Because currently used genetic tests usually cannot detect these abnormalities, the new research may l...

Chromosomal in Medical Technology

Research Teams at J. Craig Venter Institute and Ludwig Institute for Cancer Research Uncover New Chromosomal Alterations in Cancer Using Transcriptome Sequencing Approach

ROCKVILLE, Md. and NEW YORK, Jan. 27 /PRNewswire-USNewswire/ -- Researchers from the J. Craig Venter Institute (JCVI) and the Ludwig Institute for Cancer Research (LICR) have uncovered new genomic alterations that lead to gene fusions in a breast cancer cell line by using 454 Life Sciences sequenc...

Creighton Medical Laboratories First to Offer New Cancer Test

...mosomes in a cell. Normal human cells have two copies of each chromosome. Cancer cells will often duplicate or lose pieces of chromosomes, and these chromosomal changes can help physicians categorize a tumor, determine its aggressiveness, and/or determine which tumors will respond to specific drugs. With...

Quest Diagnostics ClariSure(TM) Postnatal Molecular Test Receives Clinical Laboratory Approval from New York State

...use of the ClariSure aCGH postnatal test as an aid in detecting copy-number chromosomal abnormalities implicated in dozens of medical conditions, including mental ...ted the ClariSure test's ability to use a single blood specimen to identify chromosomal abnormalities associated with dozens of disorders, including Down, cri du c...

Lenetix Launches Screening Study of New Down Syndrome Test

...omprehensive test yet developed for the detection of fetal aneuploidies, the presence of extra chromosomes, which cause Down syndrome (T-21) and other chromosomal abnormalities. Risk assessment for Down syndrome is routinely offered to patients in the first and/or second trimester of pregnancy. These eval...

Breakthrough in Prenatal Screening for Down Syndrome

...he development of an improved first and second trimester non-invasive fetal chromosomal screening test to detect Down syndrome and other genetic fetal conditions. ...ghly accurate screening for common fetal autosomal (Trisomy 18, 21) and sex chromosomal (47, XXY) chromosome abnormalities is feasible, particularly in the first t...

Nemours Center for Childhood Cancer Research Team at the Alfred I. duPont Hospital for Children Identifies the Function of a Biomarker Present in Prostate Cancer Cells: New Insight into Therapeutic Benefit for Patients with Advanced Prostate Cancer

...ase or monitor response to therapy. The discovery, titled "Prostate specific membrane antigen associates with anaphase promoting complex and induces chromosomal instability," is outlined in the July issue of Molecular Cancer Therapeutics, an American Association for Cancer Research journal and provides new ins...

Chromosomal in Medical Products

Baby Gender Mentor Home DNA Genter Test

Description:...nding technology to attain the earliest gender detection with unprecedented sensitivity and unsurpassed accuracy. The technique traces the amount of Y chromosomal DNA in the maternal blood to determine gender. Here's how it works: Your baby releases its DNA into your blood plasma. Because DNA between different p...
Company:Acu-Gen Biolab, Inc.

NON-INVASIVE BABY GENDER TEST

Description:...gnificant chance of miscarriage. As a result, the current standard care offers invasive prenatal baby gender testing only to those women whose risk of chromosomal or genetic abnormalities are greater than or equal to the risk of a procedure-related loss. This means that the vast majority of women never receive t...
Company:Paragon Genetics

Chromosomal in Medical Dictionary

Turner syndrome

...tions, of which monosomy X is most common. It is a chromosomal disorder in which all or part of one of the sex c... Turner Syndrome . Turner syndrome is a chromosomal condition that affects development in females. ......some of females that ... Turner syndrome is a chromosomal condition that alters development in females. ... ...

Trisomy 18

... common autosomal... Trisomy 18 , also called Edwards syndrome, is a chromosomal condition associated ... Individuals with trisomy 18 often have a low ...alies and severe to ... Trisomy 18 in the embryo/fetus is also a common chromosomal cause of ... Trisomy 18 is also called "Edwards syndrome," named af...

Trisomy

...enetic messages are confused and ... Trisomy 13 (also called Patau Syndrome) occurs in up to 1 out of 5,000 ... Trisomy 13 Syndrome is a rare chromosomal disorder in which all or a portion of ... In addition, those with trisomy 13 mosaicism typically have less severe symptoms; ... The term " tri...

Trisomy 13

... Patau syndrome, also known as trisomy 13 and trisomy D, is a chromosomal abnormality, a syndrome in which a patient has an additional chromosome 13 due to a non-disjunction of chromosomes during meiosis. Some are ca...

Translocation

...ollowing places at Britannica. Assorted References chromosomal disorder ( in chromosomal disorder (congenital); ...can be duplicated three ...on, and ... ... apparently balanced reciprocal chromosomal translocation 46XX,t(X:5) ... normal, it seems t...

Sex-linked recessive

... Sex linkage is the phenotypic expression of an allele that is related to the chromosomal sex of the individual. This mode of inheritance is in contrast to the inheritance of traits on autosomal chromosomes, where both sexes have the same...

Chromosomal in Biological News

New test can detect both genetic and chromosomal abnormalities in embryos

Amsterdam, The Netherlands: One-step screening for both genetic and chromosomal abnormalities has come a stage closer as scientists announced that an embryo test they have been developing has successfully screened cells taken from spare embryos that were known to have cystic fibrosis. They tol...

Physician-scientists seek solutions to reproductive problems related to chromosomal variations

NEW YORK (Dec. 19, 2007) -- Approximately one in every 500 to 650 baby boys is born with an extra X chromosome, a variation in their genetic code that until a few years ago was thought to result in infertility in all cases. However, this is no longer the case. A recent conference hosted by NewYork...

What controls stickiness of 'smart' chromosomal glue

Researchers have a new understanding of the process cells use to ensure that sperm and eggs begin life with exactly one copy of each chromosome ?a process that must be exquisitely regulated to prevent problems such as miscarriages and mental retardation. The new work reveals how gluelike protein co...

Speeding the search for elusive chromosomal errors

A pediatric research team has used commercially available gene chips to scrutinize all of a patient's chromosomes to identify small defects that cause genetic diseases. Because currently used genetic tests usually cannot detect these abnormalities, the new research may lead to more accurate diagnos...

Fox Chase researchers uncover one force behind the MYC oncogene in many cancers

...ndings are published in the July 31 edition of the Journal of Biological Chemistry , available online now. Previously the researchers found that a chromosomal inversion a genetic misalignment, where part of the chromosome containing the DLX5 gene gets flipped around during cell division cooperates with ano...

Comprehensive look at rare leukemia finds relatively few genetic changes launch disease

...ation lacked additional DNA abnormalities. Certain chromosomal re-arrangements are known as translocations. T...w cancer genes. The study also reports cryptic chromosomal translocations in 14 percent of patients in this s... focal CNAs adjacent to genes previously linked to chromosomal translocations. Those genes are MLL, MLLT4, NUP98 ...

Chromosomal in Biological Technology

PFGE Analysis of Chromosomal DNA From a Single Hair Root

Contributed by Jacqueline Boultwood, Gail M. Abrahamson, and J. S. Wainscoat, Leukemia Research Fund, Molecular and Cytogenetic Haematology Unit, John Radcliffe Hospital, Headington, Oxford OX3 9DU, United Kingdom Introduction Tumor diagnoses...

Fallopian tubes offer new stem cell source

...o, and are able to differentiate into muscle, fat, cartilage and bone cell lines. The cells' chromosome complement showed no abnormalities, suggesting chromosomal stability. Jazedje comments, "In addition to providing an additional potential source for regenerative medicine, these findings might contribute to re...

Ambry Genetics Announces the Addition of Array CGH Services Through Partnership With Baylor College of Medicine

...otide arrays through a partnership with Baylor College of Medicine . Large chromosomal abnormalities that are associated with over 270 genetic syndromes can be ea...ted and genome-wide studies (GWAS). Array CGH is used to detect genome-wide chromosomal imbalances with a single laboratory test consisting of multiple probes targ...

Beyond associations: Colorectal cancer culprit found

...rectal cancer cases and controls, identifying all variants residing in this chromosomal region common to colorectal cancer patients. Houlston and colleagues the...ery likely the causal basis for colorectal cancer risk associated with this chromosomal region. Houlston explained, "Our efforts show that many different method...

Chromosome breakpoints contribute to genetic variation

...g elsewhere in the chromosomes. This suggests that chromosomal organization plays an important evolutionary role,...nes function. Scientists once hypothesized that chromosomal breakage and recombination occurred randomly along...at the breakpoints occurred more often in specific chromosomal regions than in others. In 2004, Lewin and his ...

International science consortium publishes analysis of domestic cattle genome sequence

...ncluding a form of mental retardation and other neurological and birth defects. In the domestic cattle genome, researchers found that some of these chromosomal rearrangements affect genes related to immunity, metabolism, digestion, reproduction and lactation. For instance, researchers think some of these chan...

Chromosomal in Biological Products

Chromosomal Grade Agarose from Bio-Rad

Description:... chromosomal Grade Agarose was developed specifically for pulsed field separations of DN...ation of very low percentage agarose gels. Megabase DNA separations done in chromosomal Grade Agarose are up to 50% faster than with ...
Company:Bio-Rad

LNA-ISH Cytogenetics - Human centromere alpha satelliteISH probes from Exiqon

Description:... Exiqons LNA technology enables sensitive, fast and specific detection of chromosomal sequences directly on intact chromosomes. Short hybridisation time ( Works on fixed cells and chromosome spreads Multiplex capability Available...
Company:Exiqon

Mut S from USB Corp.

Description:... plays an integral role in proofreading the nascent strands in DNA replication, in transcription-coupled nucleotide excision repair and in preventing chromosomal recombination between different species of bacteria. Mut S binds to DNA specifically at base pair mismatches and small (<4 nt) insertions and deletion...
Company:USB Corp.

Chromosomal in Biological Definition

Bacterial conjugation

...plasmid is integrated, the transferred DNA consists of the F-plasmid sequence plus an amount of chomosomal DNA from the donor bacterium. The amount of chromosomal DNA that is transferred depends on how long the bacteria hold contact; the transfer of the whole bacterial chromosome would take about 100 minutes. Th...

Brain

...brain disorders are congenital . Tay-Sachs disease , Fragile X syndrome , Down syndrome , and Tourette syndrome are all linked to genetic or chromosomal errors. Malfunctions in the embryonic development of the brain can be caused by genetic factors or by drug use or disease in the mother. Brai...

Cancer

...nes . Oncogenes promote cancer when "switched on" by a mutation, whereas tumor suppressor genes prevent cancer unless "switched off" by a mutation. chromosomal translocation , such as the Philadelphia chromosome , is a special type of mutation and may involve oncogenes or tumor suppressor genes. In general, ...

Chromosome

...es 5 Karyotype 6 Human chromosome 7 chromosomal aberrations 8 See also 9 External links .... It seems to serve structural purposes during the chromosomal stages. Heterochromatin can be further distinguish...ve a small number of unclonable gaps. [1] chromosomal aberrations Some chromosome abnormalities do no...

Chromosomal crossover

... chromosomal crossover is the process by which two chromosomes , paired up during Prophase I of meiosis , exchange some distal portion of their DNA . Cross...

Developmental biology

...sity of organismal form in an evolutionary context. The findings of developmental biology can help to understand developmental malfunctions such as chromosomal aberrations , for example, Down syndrome . An understanding of the specialization of cells during embryogenesis may shield information on how to sp...

Chromosomal in Biological Dictionary

Trisomy

...er of cases of trisomy 21 are due to mosaicism. ... Online support groups for those whose lives have been touched by the diagnosis of a trisomy chromosomal disorder. Trisomy 13, also called Patau syndrome, is a genetic disorder associated with ... Partial trisomy -- the presence of a part of an ext...

Transposition

...is connected to the right ... Information about transposition in the free online ... transposition - (genetics) a kind of mutation in which a chromosomal segment is ... Transposition of the great arteries is a congenital (present at birth) heart defect. ... After a transposition of the grea...

Translocation

...n. A change of location. Genetics. A transfer of a chromosomal segment to a new position, especially on a nonho...logous chromosome ... Translocation ... Other chromosomal translocations may occur more frequently in the ... that carry chromosomal translocations are typically healthy; ... Tr...

Tetrad

... Tetrad (chromosomal formation), a chromosomal formation in meiosis. Tetrad (general relativity), a mathematical frame of reference in general relativity ... The tetrad is the four spores ...

Synapsis

... Synapsis is the pairing of two homologous chromosomes that occurs during meiosis. It is a form of chromosomal crossover. Synapsis takes place during prophase I. When homologous chromosomes synapse, they come closer together until they are connected by a ...

Supergene

...D. - SINGAPORE. Sole distributor of Supergene Hybrid Palm Seeds in Indonesia supergene ( ) n. A group of closely linked genes occupying a large chromosomal segment and frequently functioning as a genetic Psychology research, information, analysis and reviews from Psychology Journals, Newspapers, and ...