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Endoplasmic in Medical News

Key protein may explain the anti-aging and anti-cancer benefits of dietary restriction

...ing from dietary restriction required activity in signaling pathways in the endoplasmic reticulum, the part of the cell involved in processing and the proper foldi...rich area of investigation to examine the mechanisms by which stress in the endoplasmic reticulum affects lifespan. ...

Retinal Gene Is Linked to Childhood Blindness

...nvolved in LCA, but SPATA7 is the first gene with a mutation that disrupts the protein transport between two important compartments of the cell -- the endoplasmic reticulum and the Golgi apparatus. Because all proteins in every cell have to pass through this transport system, a mutation in SPATA7 might affect ma...

Slices of living brain tissue are helping scientists identify new stroke therapies

...ly folded proteins they need for normal function. MCG Retinal Biologist Sylvia Smith and others have shown that sigma receptors are located within the endoplasmic reticulum of cells, which controls protein synthesis and regulates calcium levels. When needed, the receptors appear to chaperone these proteins to th...

Bionovo to Present Recent Findings of BN108, its Anticancer Agent, at the 31st Annual San Antonio Breast Cancer Symposium

...of Cancer Research at Bionovo, BN108 induces death in cancer cells but not in normal cells. BN108 induces apoptosis through induction of stress in the endoplasmic reticulum. Laboratory studies show that BN108 inhibits major oncogenic pathways, and therefore, can be used for many different cancers. "BN108...

Researchers identify toehold for HIV's assault on brain

...fect of Tat as well. Tat has a dramatic effect on an organelle known as the endoplasmic reticulum, where proteins are actually assembled and folded. Gelbard's team...s long-lasting effects on the brain, causing problems with mitochondria and endoplasmic reticulum weeks later. Perhaps most striking, Gelbard says, is the observa...

Researchers aim to over-stress already taxed mantle cell lymphoma cells

...to stress. They also found that the usually busy endoplasmic reticulum of these cells, which is supposed to be ...their fast pace. This also puts more stress on the endoplasmic reticulum. Independently hsp90 inhibitors are know...asome inhibitors to study protective versus lethal endoplasmic reticulum stress as a way to get rid of mantel cel...
Endoplasmic in Medical Technology

FDA Accepts Arno Therapeutics' IND for AR-12 a PDK1 Inhibitor That Blocks the PI3K/Akt Pathway

...r that blocks the PI3K/Akt pathway and induces the endoplasmic reticulum stress pathway. Acceptance of the IND p...r that blocks the PI3K/Akt pathway and induces the endoplasmic reticulum stress pathway. About Arno The...r that blocks the PI3K/Akt pathway and induces the endoplasmic reticulum stress pathway, that received FDA accept...

Cystic Fibrosis Axentis Pharma Initiates Clinical Trial for Lung Infections

...nology company. The company is using a patent-pending platform technology to develop therapies for diseases caused by incorrect protein folding in the endoplasmic reticulum. The most prominent example of such diseases is cystic fibrosis (mucoviscidosis). About Fluidosome(R) technology Axentis Pharma's Fluido...

Amicus Therapeutics Announces Successful Completion of End of Phase 2 Meeting With FDA for Amigal in Fabry Disease

...ible for Fabry disease, alpha-GAL. After binding to the enzyme, Amigal promotes the proper folding, processing, and trafficking of the enzyme from the endoplasmic reticulum to its final destination, the lysosome, the area of the cell where the enzyme does its work. Once it reaches the lysosome, the pharmacologic...

Arno Therapeutics, Inc. Completes $18 Million Financing and Reverse Merger with Laurier International, Inc.

...forme (GBM), a highly aggressive form of brain cancer. AR-12 is a PDK-1 inhibitor that targets the Akt pathway while also possessing activity in the endoplasmic reticulum (ER) stress and other pathways targeting apoptosis. Preclinical data have demonstrated that AR-12 has activity in a wide range of tumor type...
Endoplasmic in Medical Dictionary

Vesicles

...ensitive. ... Information about Vesicles in the free online English dictionary and encyclopedia. ... Vesicles bulge out and break off from the endoplasmic reticulum and the ... Vesicles are anterogradely transported in the axons at a fast rate as 'empty' ... The results show that vesicles are axo...

Intracellular

...ell rather than on its cell membrane. Examples are the class of nuclear receptors located in the cell nucleus and the IP3 receptor located on the endoplasmic reticulum. The ligands that bind to them are usually... Comparison of the levels in the intracellular lysates with the virion lysates on ... Abo...

Cell

... on 1000's of accessories for all major brands. Chapter 1 takes you on a guided tour of the major organelles in the cell , including the nucleus, endoplasmic reticulum, Golgi complex, lysosomes and mitochondria. Find a variety of cell phones including camera, Bluetooth and phones by manufacturer at AT...
Endoplasmic in Biological News

Little-known protein found to be key player

...ed. The tests showed that cells with extra atlastin had an overdeveloped endoplasmic reticulum (ER), a system of interconnected membrane tubes and chambers that...ted ER. Flies with defective atlastin were sterile and short-lived. "The endoplasmic reticulum is an ever-changing environment," McNew said. "It grows. It retra...

The battle for CRTC2: How obesity increases the risk for diabetes

...nic ER stress in obesity leads to abnormal activation of the fasting switch that normally controls glucose production in the liver." The ER, short for endoplasmic reticulum, is a protein factory within the cell. To test this hypothesis the Salk team asked whether ER stress can induce gluconeogenesis in lean m...

Visualizing virus replication in three dimensions

... Dengue viruses reproduce in what is known as the endoplasmic reticulum, a membrane network interconnected with ...ow that viral RNA is replicated in vesicles in the endoplasmic reticulum and is secreted through tiny pores. We w... into pre-stages of viruses and then penetrate the endoplasmic reticulum a second time. There they are enveloped ...

Tailor-made recombinant proteins in mammals

...isms and was just waiting for us to take advantage of," Bertozzi says. "It's called the formylglycine generating enzyme, or FGE, and it resides in the endoplasmic reticulum, a part of the eukaryotic cell that participates in protein secretion." In nature, FGE is part of the cell's machinery for regulating the...

How Toxoplasma gondii gets noticed

...own as cross-presentation. They find that the parasite gets noticed by the immune system when the membrane of the bug-containing vesicle fuses to the endoplasmic reticuluman organelle normally involved in presenting pathogens to T cellsallowing a swap of parasitic peptides. ...

'Deranged calcium signaling' contributes to neurological disorder, UT Southwestern researchers find

... a channel in the membrane of a sequestered chamber inside cells called the endoplasmic reticulum, or ER. The channel then releases calcium into the cell as a whol... The researchers now are studying whether blocking calcium release from the endoplasmic reticulum also can improve function in mouse models of Huntington's and oth...
Endoplasmic in Biological Technology

Discovery of a new retinal gene involved in childhood blindness

... involved in LCA, but SPATA7 is the first gene with a mutation that disrupts the protein transport between two important compartments of the cell: the endoplasmic reticulum and the Golgi apparatus. All proteins in every cell have to pass through this transport pathway; thus SPATA7 plays a major role and its muta...

Cystic Fibrosis - Axentis Pharma Takes Over Patents and Continues Development of Innovative Platform Technology

...nology company. The company is using a patent-pending platform technology to develop therapies for diseases caused by incorrect protein folding in the endoplasmic reticulum. The most prominent example of such diseases is cystic fibrosis (mucoviscidosis). The company is in final preparation to initiate a phase II...

Syndexa Pharmaceuticals Corporation and ChemDiv, Inc. Announce Discovery Collaboration

...c diseases including obesity, type 2 diabetes and atherosclerosis. Syndexa's current programs include the development of inhibitors of obesity-induced endoplasmic Reticulum (ER) stress and c-jun N-terminal kinase (JNK). Founded by leading scientists from Harvard and University of California, San Diego, the compa...

Glossary for The BioPharm Guide to Fermentation and Cell Culture

...a defense against foreign nucleic acids. endoplasmic reticulum A highly specialized and complex networ...ytoplasm of most animal and plant cells. The rough endoplasmic reticulum is where ribosomes make protei...it is covered with ribosomes. The smooth endoplasmic reticulum is the site for synthesis and ...

High Yield Protein Production from Pichia pastoris Yeast: A Protocol for Benchtop Fermentation

... protein into the medium which facilitates recovery of the protein. However, E. coli is a prokaryote and lacks intracellular organelles, such as the endoplasmic reticulum and the golgi apparatus that are present in eukaryotes, which are responsible for modifications of the proteins being produced. Many euk...

Gq-coupled receptor assays using FLEXstation: M1 muscarinic receptor

...transfected with the M1 muscarinic G q coupled receptor 1 . This receptor is stimulated with carbachol, which leads to the release of calcium from the endoplasmic reticulum into the cytosol. Activation of the M1 G q -coupled receptor can be monitored using FLEXstation in conjunction with either the calcium-sensi...
Endoplasmic in Biological Products

Mouse Anti-PRKAR2 Monoclonal Antibody, Unconjugated, Clone RS17 from GeneTex

Description:...e subcellular localization of AMPK. This subunit has been shown to regulate protein transport from endosomes to the Golgi apparatus and further to the endoplasmic reticulum (ER). Immunogen: Purified regulatory subunit of cAMP-dependent protein kinase type II from bovine brain. Specificity: Does not influen...
Company:GeneTex

Endoplasmic Reticulum Isolation Kit from Sigma-Aldrich

Description:... Application: For the efficient enrichment of functional endoplasmic reticulum (ER) from mammalian tissue or cell culture. The isolated ER are useful for protein synthesis, degradation and metabolic pathway analysis. Me...
Company:Sigma-Aldrich

Ubiquitin Fraction I Extract from GeneTex

Description:...ts most proteins in the eukaryotic cell cytosol and nucleus. Others are degraded via the vacuolar pathway which includes endosomes, lysosomes, and the endoplasmic reticulum. The 26S proteasome is an ATP-dependent, multisubunit (~31), barrel-shaped molecular machine with an apparent molecular weight of ~2.5 MDa. ...
Company:GeneTex

IRS Extract from GeneTex

Description:...ts most proteins in the eukaryotic cell cytosol and nucleus. Others are degraded via the vacuolar pathway which includes endosomes, lysosomes, and the endoplasmic reticulum. The 26S proteasome is an ATP-dependent, multisubunit (~31), barrel-shaped molecular machine with an apparent molecular weight of ~2.5 MDa. ...
Company:GeneTex

26S Proteasome Fraction Extract from GeneTex

Description:...ts most proteins in the eukaryotic cell cytosol and nucleus. Others are degraded via the vacuolar pathway which includes endosomes, lysosomes, and the endoplasmic reticulum. The 26S proteasome is an ATP-dependent, multisubunit (~31), barrel-shaped molecular machine with an apparent molecular weight of ~2.5 MDa. ...
Company:GeneTex

Ubiquitin Fraction I from ABR-Affinity BioReagents

Description:...s most proteins in the eukaryotic cell cytosol and nucleus. Others are degraded via the vacuolar pathway which includes endosomes, lysosomes, and the endoplasmic reticulum. The 26S proteasome is an ATP-dependent, multisubunit (~31), barrel-shaped molecular machine with an apparent molecular weight of ~2.5 MDa....
Company:ABR-Affinity BioReagents
Endoplasmic in Biological Definition

Cell biology

...membranes by detergents and salts . See also Active transport Adhesion Chloroplast Cilia Cytoplasm Cytoskeleton endoplasmic reticulum Flagella Glycolysis Golgi apparatus Lipid bilayer Membrane Mitochondrion Nucleus Organelle Passive trans...

Cell nucleus

.... The outer membrane is continuous with the rough endoplasmic reticulum (RER) and may be studded with ribosome...men of the RER. Drawing of nucleus and the endoplasmic reticulum . (1) Nuclear envelope . (2) Ribosome...4) Nucleolus . (5) Chromatin . (6) Nucleus. (7) endoplasmic reticulum. (8) Nucleoplasm . The whole structure...

Cisterna

...ther. The earliest cisternae are called the cis-cisternae, followed by the medial cisternae, then the trans-cisternae (as they move away from the endoplasmic reticulum ). The formation of new cisternae is often called the cis-Golgi network and at the end of the Golgi where transport to other parts of th...

Cytoplasm

...ria , the chloroplast , lysosomes , peroxysomes , ribosomes ), several vacuoles , cytoskeletons as well as complex membrane structures (e.g. endoplasmic reticulums or the golgi apparatus ). Differences between animal and vegetal cytoplasm While all cells possess a cytoplasm, cells from differe...

Disulfide bond

...icant role in the vulcanization of rubber . In eukaryotes In eukaryotic cells, disulfide bonds are formed in the lumen of the RER (rough endoplasmic reticulum) but not in the cytosol . Thus disulfide bonds are found only in secretory proteins, lysosomal proteins, and the exoplasmic domains of memb...

Endoplasmic reticulum

... The endoplasmic reticulum or ER (endoplasmic means "within the ...cture Figure 1 : Image of nucleus , endoplasmic reticulum and Golgi apparatus. (1) Nucleus. (2) Nuclear pore. (3) Rough endoplasmic reticulum (RER). (4) Smooth...
Endoplasmic in Biological Dictionary

Vesicle

...ts, doctor ... Vesicle - Definition of Vesicle at Dictionary.com a free online dictionary with ... Vesicles bulge out and break off from the endoplasmic reticulum and the ... MySpace Music profile for Vesicle . Download Vesicle music singles, watch music videos, listen to free streaming mp3s, &a...

Transmembrane proteins

...e 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 . ... Transmembrane Proteins ... Transmembrane proteins play vital roles...

Sarcoplasmic reticulum

... The endoplasmic reticulum (ER) is a eukaryotic organelle that ...sternae within cells. The lacey membranes of the endoplasmic reticulum were first seen by Keith R.... Aspe...ollowing places at Britannica. Assorted References endoplasmic reticulum ( in...

Rough ER

... Micrograph of rough endoplasmic reticulum network around the nucleus (shown in ...the rough ER to the Golgi complex. ... endoplasmic reticulum n. A membrane network within the cytop... involved in the synthesis, ... The term rough endoplasmic reticulum is based on the ... Biology4Kids.com...

Plasmalemma

... your question? Try Windows Live QnA ... plasmalemma /plas·ma·lem·ma/ (-lem'ah) 1. plasma membrane. ... The nature of the phagosomal membrane: endoplasmic reticulum versus plasmalemma ... ER OR PLASMALEMMA ? CONCLUDING REMARKS. REFERENCES ... ... penetrate through the plasmalemma of intestinal ....

Peroxisome

... Contribution of the endoplasmic reticulum to peroxisome formation" ... origin of peroxisomes: an ER- peroxisome connection" ... PeroxisomeDB: Peroxisome -Data...
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