Navigation Links
Splicing in Medical News

Loss of gene leads to protein splicing and buildup of toxic proteins in neurons

JACKSONVILLE, Fla. -- Researchers at Mayo Clinic in Jacksonville have discovered how loss of a gene can lead to accumulation of toxic proteins in the brain, resulting in a common dementia, and they say this mechanism may be important in a number of age-related neurological disorders. In the S...

Alternative Splicing in Neuronal Development

In the July 1st issue of G&D, Dr. Douglas Black (UCLA) and colleagues detail how alternative splicing is reprogrammed during neuronal development. Alternative splicing refers to the processing of an RNA transcript into different mRNA molecules by including some exons and excluding others. Spe...

Alternative Splicing - Molecular Cloning

Alternative splicing is a molecular processwhich enables multiple genes to be produced from a single gene. By regulating this process, //cells can produce a wide variety of proteins from a finite number of genes. A new RNA map, created by researchers at Rockefeller University and the Howard Hughes ...

Protein Splicing Upsets the DNA Colinearity Paradigm

Understanding medical research problems often relies on the direct, linear relationship between the sequence of a protein and the DNA encoding that protein//. In fact, colinearity of DNA and protein sequences is thought to be a fundamental feature of the universal genetic code. However, a paper pub...

Damon Runyon Cancer Research Foundation awards prestigious fellowships to 17 top young scientists

...ingle gene may be expressed as multiple, distinct protein forms. Gaining a better understanding of this process is important, as disruption of normal splicing can give rise to cancer. Matthew F. Calabrese, PhD [HHMI Fellow] with his sponsor Brenda A. Schulman, PhD, at St. Jude Children's Research Hos...

Mayo Genomic Discovery: Protecting Kidney Function During Heart Failure

...se because many heart failure patients experience low blood pressure and BNP lowered it further. The Mayo investigators discovered an alternative splicing (AS) of BNP in messenger RNA (produced by the same gene). When they shortened the amino acid sequence of ASBNP for testing, they found that it had the...

Master molecular switch may prevent the spread of cancer cells to distant sites in the body

...re. The master-switch is called the Epithelial splicing Regulatory Protein, and comes in two closely relat...om genes are spliced together. This is achieved by splicing different exons -- the sequence of DNA that codes ...or of Medicine. "ESRP1 and ESRP2 are necessary for splicing FGFR2 mRNA in the epithelial cell manner. This is ...

Genes Seem to Affect Tissues Differently

...ght be important to disease formation. "A genetic variant might influence the expression of a gene or the type of protein that is made because of splicing changes in brain cells but not in blood cells, or in blood cells but not brain cells," senior author David Goldstein, director of the Center for Human...

Research Shows Why Statins Don't Work for Everyone

...icular exon when the protein is assembled. But depending on how this HMGCR splicing occurs, a statin drug has a better or worse chance of working as it should ...to the statin response than HMGCR. So, testing patients for the alternative splicing version of the protein before writing a statin prescription probably isn't ...

Penn researchers gain new insights on spinal muscular atrophy

...e snRNP repertoire or the 'snRNPertoire,'" says Dreyfuss. "When SMN levels are reduced, the biochemical balance needed to make the snRNP complexes for splicing RNA is impaired." The Dreyfuss lab looked at reduced SMN levels in cultured cells and mice and found that changes in levels of the snRNPs, as well ...
Splicing in Medical Technology

Families of Spinal Muscular Atrophy Announces Latest Developments on Three SMA Drug Discovery Programs

...ek for the previous three years for our work on tetracycline derivatives as a potential treatment of SMA. These compounds are intended to correct SMN2 splicing and in turn increase SMN protein levels. Using funding from FSMA to generate the preliminary data for a grant application, Paratek has been award...

Getting More From Whole-Transcript Microarrays

...matics shows scientists how to monitor alternative splicing activity on a genome-wide scale, without investing...new exon microarray technologies. Alternative splicing produces a variety of mRNA transcripts from a single gene by splicing together different combinations of exons, which ca...

ExonHit Reports Proof-of-Concept in Breast Cancer Diagnostic Using its SpliceArray(TM) Platform

...ast cancer through the analysis of alternative RNA splicing [1]. Study data demonstrate that exons are differe... exon level. They also provide a comprehensive RNA splicing analysis across the entire human genome and enable... Company's biomarker discovery process. RNA splicing represents a key regulatory mechanism of gene expr...

Amicus Therapeutics Presents Data from Clinical Ex Vivo Response Study and Phase 1 Studies of AT2220

... common splice site mutation IVS1-13T>G. It has been reported that more than 80% of Caucasian adult Pompe patients have at least 1 copy of this common splicing mutation. Phase 1 AT2220 data A total of 72 healthy volunteers were treated in three double-blind, placebo-controlled, dose escalation Phase 1 stu...
Splicing in Medical Dictionary

Epididymis

...is; carries sperm to vas deferens ... of the epididymis are? Read answer... What is in the epididymis secretion? ... Multiple promoter and splicing mRNA variants of the epididymis -specific gene EP2. ... a family of androgen-dependent, epididymis -specific secretory proteins. ... The devel...
Splicing in Biological News

Case Western Reserve finds mechanism underlying alt. splicing of premessenger RNA into messenger RNA

CLEVELAND December 24, 2008 An international research team led by Tim Nilsen, Ph.D., a professor of medicine and biochemistry and the director of the School of Medicine's Center for RNA Molecular Biology, has discovered an unexpected mechanism governing alternative splicing, the process by which...

CSHL team traces extensive networks regulating alternative RNA splicing

Two professors at Cold Spring Harbor Laboratory (CSHL) have succeeded in tracing intricate biochemical networks involving a class of proteins that enable genes to express themselves in specific tissues at particular moments in development. Michael Q. Zhang, Ph.D. and Adrian R. Krainer, Ph.D.,...

Yale scientists visualize the machinery of mRNA splicing

New Haven, Conn. Recent research at Yale provided a glimpse of the ancient mechanism that helped diversify our genomes; it illuminated a relationship between gene processing in humans and the most primitive organisms by creating the first crystal structure of a crucial self-splicing region of RNA...

University of Toronto finds humans and chimps differ at level of gene splicing

TORONTO, ON Researchers are closer to understanding why humans differ so greatly from chimpanzees in the way they look, behave, think, and fight off disease, despite having genes that are nearly 99% identical. Innovative research from the University of Torontos Centre for Cellular and Biomo...

RNA splicing factor implicated in ovarian tumor cell growth

An RNA-binding protein that is overproduced in ovarian cancer may present a new target for diagnosis or treatment of ovarian and other cancers, according to researchers at the University of Illinois at Chicago. Researchers in the UIC College of Pharmacy found that interfering with the production ...

Protein splicing upsets the DNA colinearity paradigm

Understanding medical research problems often relies on the direct, linear relationship between the sequence of a protein and the DNA encoding that protein. In fact, colinearity of DNA and protein sequences is thought to be a fundamental feature of the universal genetic code. However, a paper publi...

RNA splicing occurs in nerve-cell dendrites

Researchers at the University of Pennsylvania School of Medicine have discovered that nerve-cell dendrites have the capacity to splice messenger RNA (pre-mRNA), a process once believed to only take place in the nucleus of cells. By uncovering this capability in dendrites, the investigators hope t...

ISU researchers find possible treatment for spinal muscular atrophy

...opying genes. This copy is called pre-mRNA. Pre-mRNA then becomes mRNA by splicing out certain parts of the sequence that are non-coding, meaning they don't h...we succeed in treating Spinal Muscular Atrophy, we will know how to correct splicing of other genes in other diseases," he said. ...

Boston University biomedical engineers teach bacteria to count

...oning field of synthetic biology addresses biological research questions with an engineering approach. Researchers design and build networks of genes, splicing them into bacterial genomes to run specific tasks or manufacture desired molecules a process akin to installing biological computer software. Though ...

Research team finds important role for junk DNA

...provide templates for the rearrangement process," Landweber said. "Now we've been studying the actual machinery involved in the process of cutting and splicing tremendous amounts of DNA. Transposons are very good at that." The term "junk DNA" was originally coined to refer to a region of DNA that containe...
Splicing in Biological Technology

In vivo visualization of alternative splicing

The February 1 cover of G&D features an unprecedented use of fluorescent proteins to visualize developmentally regulated alternative mRNA splicing in a living organism. Dr. Hidehito Kuroyanagi and colleagues at the Tokyo Medical and Dental University engineered a transgenic alternative splicing re...

Isis and Partners Present New Research at the American Association for Cancer Research 2009 Annual Meeting

...s and titled "Molecular Control of RNA Alternative splicing by sigma RNA, a Marker for Carcinomas" showed that antisense inhibition of Malat-1 altered the splicing of multiple mRNAs. Altering splicing results in the production of different variations ...

VIRxSYS Publishes New Study on RNA Therapy

...A was only expressed in liver cells, and not in other cells, which could have triggered an immune response. The technology used to perform the albumin splicing process is owned by VIRxSYS and is known as spliceosomal mediated RNA trans- splicing, or SMaRT(TM). VIRxSYS now has 39 publications in top tier jour...

ExonHit Launches Rat Genome SpliceArray(TM) Products to Expand High Resolution Gene Expression Profiling for use in Disease Modeling and Toxicogenomics

...ctured on the Agilent Technologies and Affymetrix microarray platforms, now expand our product offering and enable researchers to leverage alternative splicing discovery in the rat model system. "ExonHit continues to grow its catalog of arrays for it genomics services. This most recent addition will expand ...

Seneca Valley High School Student Receives Science Award From MedImmune

...arded Li for her project entitled "Discovering New splicing Forms in von Willebrand Factor to Understand Clott...) and understanding the application of alternative splicing in individuals. VWD is an inherited bleeding disor...d was expected to have around 22 to 23 alternative splicing forms. With one...

Jivan Awarded US Patent #7,340,349 for Splice Array Analysis

... for DNA microarrays to detect alternative splicing," said Subha Srinivasan, PhD, CEO of JIVAN. "Powerful data analysis is critical to the adoption of splicing arrays, the next generation of expression arrays." The '349 Patent fits in JIVAN's broader strategy of providing a complete solution for splice isof...

Visualizing siRNA in Mammalian Cells: Fluorescence Analysis of the RNAi Effect

... appear to occur in mammalian cells since siRNA made against one splice form of a particular gene does not silence other splicing variants (Tom Tuschl, personal communication, March 2002). Within the cell, siRNA becomes associated with an RNA-induced ...

New Tools for Small RNA Analysis

...snRNA) play critical roles in a variety of cellular processes, from regulation of mRNA translation, pre-mRNA splicing or transcription to chromosome maintenance and gene imprinting. In addition, two novel classes of small non-...

Efficient Cellular Fractionation for RNA and Protein Isolation

... nuclear intronic sequences. Figure 2. Analysis of Fibronectin pre-mRNA Splicing. The mutually exclusive alternative splicing of fibronectin exon EIIIb was analyzed by RT-PCR (35 cycles) using total (T), cytoplasmic (C), and nuclear (N) RNA isolated from...

Gene Expression Arrays: Highly Sensitive Detection of Expression Patterns with Improved Tools for Target Amplification

... To investigate the bias of these amplification methods, we used yeast as a model eukaryotic organism due to its low level of splicing variants. The experiments included two different cell populations grown in rich and minimal media. ...
Splicing in Biological Products

Goat Anti-PAX3 Polyclonal Antibody, Unconjugated from GeneTex

Description:...cation t(2;13)(q35;q14), which represents a fusion between PAX3 and the forkhead gene, is a frequent finding in alveolar rhabdomyosarcoma. Alternative splicing results in transcripts encoding isoforms with different C-termini. Immunogen: Synthetic peptide: TTLAGAVPRMM, corresponding to N terminal amino aci...
Company:GeneTex

Custom Splice Arrays from ExonHit Therapeutics Inc.

Description:... Through its SpliceArray service, ExonHit can design custom microarrays to detect alternative splicing events starting with your gene list. Proprietary algorithms are used to identify splice events and design microarray probes from high quality, splice...
Company:ExonHit Therapeutics Inc.

Apoptosis Pathway SpliceArrays from ExonHit Therapeutics Inc.

Description:... Alternative splicing plays an important role in the regulation of signaling pathways involved in apoptosis and cell death. Splice variants have been reported that affect b...
Company:ExonHit Therapeutics Inc.

IMPACT-CN System from New England Biolabs

Description:... IMPACT (Intein Mediated Purification with an Affinity Chitin-binding Tag) utilizes the inducible self-cleavage activity of engineered protein splicing elements (termed inteins) to purify recombinant proteins by a single affinity column (1-4) (Figures 1 and 2). This system distinguishes itself from ot...
Company:New England Biolabs
Splicing in Biological Definition

Alternative splicing

Alternative splicing is the process that occurs in eukaryotes in which the splicing process of a pre-mRNA can lead to different ripe mRNA molecules and therefore to different proteins. Also viruses have adapted to this biochemical process when using the protein biosynthesis apparatu...

Enzyme

... in catalytic reactions. Ribozymes An RNA enzyme or " ribozyme " is made of RNA instead of protein. Generally, ribozymes only catalyze RNA splicing , though one notable exception is the RNA portion of the ribosome, which catalyzes the formation of peptide bonds in growing protein chains. Enzy...

Exon

...en gene will end up in the final protein due to the process of alternative splicing . Some mRNA transcripts have no exons whatsoever and thus are sometimes re...e creation of a new exon, as result of mutations in intronic sequences. splicing can be experimentally modified so that targeted exons are excluded from mat...

Gene

...ns are removed on the heels of transcription by splicing . In the primary molecular sense they represent pa...to be expressed. Because of the complexity of the splicing process, one transcribed RNA may be spliced in alt...ce not one but a variety of proteins ( alternative splicing ) from one pre-mRNA. Prokaryotes produce a similar...

Intron

...pliced mRNA are called exons . Introns sometimes allow for alternative splicing of a gene, so that several different proteins that share some sections in ...introns are actually ribozymes that are capable of catalyzing their own splicing out of the primary RNA transcript. They remove themselves on their own. T...

Proteome

...The proteome is larger than the genome , expecially in eukaryotes , in the sense there are more proteins than genes . This is due to alternative splicing of genes and post-translational modifications like glycosylation or phosphorylation . Moreover the proteome has at least two levels of complex...

Proteomics

...are proteins in the human proteome (~22,000 genes vs. ~200,000 proteins). The large increase in protein diversity is thought to be due to alternative splicing and post-translational modification of proteins. This discrepancy implies that protein diversity cannot be fully characterized by gene expression a...

Restriction enzyme

...how","hide") 1 Sites of cleavage 2 Fragment complementarity and splicing 3 Restriction enzymes as tools 4 Many Recognition sequences are p...each cleave DNA by a different mechanism. Fragment complementarity and splicing Because recognition sequences differ between restriction enzymes, the len...

RNA

... greater use of DNA and proteins. Biological role RNA plays several roles in biology: Messenger RNA ( mRNA ) is transcribed directly ( splicing in eukaryotes ) from a gene 's DNA (in eukaryotes exported into the cytoplasm ) and is used to encode proteins. RNA genes are genes that en...

Spliceosome

...wo exons are spliced together. Alternative splicing Alternative splicing (the re-combination of different introns ) is a ...diversity in eukaryotes. For example alternative splicing is what makes our immune systems so diverse (mu...
Splicing in Biological Dictionary

Splicing

In molecular biology, splicing is a modification of an RNA after transcription, in which introns are removed and exons are joined. This is needed for the typical eukaryotic messenger RNA before it can be used to produce a... On Wikipedia, Splice may refer to Wikipedia:Cut and paste mov...

RNA Splicing

In molecular biology, splicing is a modification of an RNA after transcription, in which introns are removed and exons are joined. This is needed for the typical eukaryotic messenger RNA before it can be used to produce a... Alternative splicing is a process by which the exons of...

Gene splicing

Genetic engineering, recombinant DNA technology, genetic modification/manipulation (GM) and gene splicing are terms that apply to the direct manipulation of an organism's genes. Genetic engineering is different from... In molecular biology, splicing is a modification of an RNA afte...

Alternative splicing

Alternative splicing is a process by which the exons of the RNA produced by transcription of a gene are reconnected in multiple ways during RNA splicing . The resulting different mRNAs may be translated into different protein... Did You Know? The sensitivity of the human ear to a wi...

Untranslated RNA

...2 Anti-sense mRNA. 3 RNA ... uracil is appropriate for RNA , where quantity is important but ... RNA is created in the transcription; after splicing and polyadenylation it is ... Untranslated regions ... DNA strand that the RNA was transcribed from. ... ...

Trans-splicing

... Trans - splicing is a special form of RNA processing in eukaryo...scripts are joined end to end and ligated. RNA splicing n The process by which base pairs that interrup...ty of genetic information in ... Cis- and trans - splicing of mRNAs mediated by ... Trans -...

Transmembrane proteins

...lved in Drosophila Embryogenesis ... Secreted and transmembrane proteins play an essential role in intercellular ... The Effects of Alternative splicing on Transmembrane Proteins in the Mouse Genome ... endoplasmic reticulum, and are frequently present in transmembrane proteins . ... Transme...

Splicing factor

...F2 and is found on chromosome 17. The resulting splicing factor is a protein of approximately 33 kDa. AS...also mediates... a b "Entrez Gene: SF3B1 splicing factor 3b, subunit 1, 155kDa" ... Molecular architecture of the multiprotein splicing factor SF3b. ... Human protein-coding ge...

Spliceosome

... ( ) n. A nucleoprotein particle that aids in the splicing of messenger RNA in eukaryotes ... A spliceoso... associated protein 155) (SAP155) (SF3b155) ... splicing factor 3A subunit 3 ( Spliceosome associated pro... the current model of pre-mRNA splicing, the five splicing snRNPs ... complex called a spliceosome (Protei...

SnRNP

...pliceosome (minor spliceosome, U1) · alternative splicing ... Retrieved from "http://en.wikipedia.org ...pliceosome (minor spliceosome, U1) · alternative splicing ... SnRNP information including symptoms, ca...y enriched in snRNPs but is devoid of non- snRNP splicing proteins. ... Some of them were shown to be co...

More>>

Other Tags
(Date:8/20/2014)... 20, 2014 BCC Research ( ... PHOTONIC SENSORS AND DETECTORS: TECHNOLOGIES AND GLOBAL MARKETS ... is expected to grow to $15.2 billion by ... (CAGR) of 15.9%. Increasing industrialization is driving ... a rapidly expanding range of industrial applications such ...
(Date:8/20/2014)... A Missouri federal judge has remanded a lawsuit filed ... GranuFlo and NaturaLyte to the City of St. Louis Circuit ... The judge rejected an assertion by the defendants that the ... et al. v. Fresenius Medical Care North America Inc., et ... the manufacturer of the dialysis products GranuFlo and NaturaLyte. In ...
(Date:8/20/2014)... (HealthDay News) -- Leaving the car at home and getting ... for your health, a new study indicates. Researchers looked ... that 76 percent of men and 72 percent of women ... of women used public transit, and 14 percent of men ... who drove to work weighed more and had higher levels ...
(Date:8/20/2014)... (PRWEB) August 20, 2014 The ... leading nonprofit authority on the use of health ... announced the full agenda for its annual fall ... IT Efficiency. WEDI-Con 2014 will take place at ... 20-23, 2014, attracting a diverse cross-section of payers, ...
(Date:8/20/2014)... Parents and kids across the nation are ... means buying textbooks and arranging after school care, there ... part of the annual re-commitment to your child’s education; ... Association, 27% of students say they experience "extreme stress" ... are stressed by school pressures. The study, Stress in ...
Breaking Medicine News(10 mins):Health News:Global Market for Photonic Sensors and Detectors to Reach $15.2 Billion in 2019 2Health News:Global Market for Photonic Sensors and Detectors to Reach $15.2 Billion in 2019 3Health News:GranuFlo/NaturaLyte Case Remanded to State Court By Missouri Federal Judge, Baron and Budd Reports 2Health News:Want to Stay Slim? Leave the Car at Home 2Health News:WEDI Releases Full Conference Agenda for Its Annual Fall Conference – WEDI-Con 2014 2Health News:WEDI Releases Full Conference Agenda for Its Annual Fall Conference – WEDI-Con 2014 3Health News:Five Easy Steps to Help Your Child Manage Back-to-school Stress 2Health News:Five Easy Steps to Help Your Child Manage Back-to-school Stress 3
(Date:8/19/2014)... biology and other science courses are increasingly being ... now they have a new textbook to help ... published this month by Princeton Press and co-authored ... and Biological Synthesis (NIMBioS), teaches readers about basic ... to explore and explain biological phenomena. , Suitable ...
(Date:8/19/2014)... awarded a nearly $40,000 grant from the National Center ... the National Park Service (NPS) and U.S. Department of ... of the energy efficiency and cost effectiveness of radiant ... , Radiant barriers are reflective thermal insulations commonly fitted ... reducing the amount of heat emitted in the direction ...
(Date:8/19/2014)... are superior to humans and animals in a number ... which enables them to regrow entire organs. After being ... back its entire crown. But there is one major ... literally rooted to the habitats in which they live ... In response to this dilemma, plants have developed mechanisms ...
Breaking Biology News(10 mins):New textbook introduces undergraduates to mathematics for the life sciences 2UTSA researcher awarded $38K+ to evaluate energy efficiency options for historic homes 2UTSA researcher awarded $38K+ to evaluate energy efficiency options for historic homes 3How steroid hormones enable plants to grow 2
Other Contents