A new take on growth factor signaling in tamoxifen resistance
Differences in growth factor (GF)
signaling may cause the poor prognosis in some breast cancer cases. A new study, published in the open access journal BMC Medical Genomics , suggests that some estrogen receptor-positive breast cancers respond poorly to tamoxifen because of increased GF signaling...
Mayo researchers discover mechanism of cell type-specific signaling in tumor development
ROCHESTER, Minn. Mayo Clinic researchers have discovered the mechanisms behind two key checkpoints in cell growth and development factors that may ultimately allow investigators to benchmark progression of tumor cells or stop them from further development. The findings appear in the current onli...
Schizophrenia linked to signaling problems in new brain study
Schizophrenia could be caused by faulty signalling in the brain, according to new research published today in the journal Molecular Psychiatry . In the biggest study of its kind, scientists looking in detail at brain samples donated by people with the condition have identified 49 genes that work ...
Dynatronics Reports Profitable Second Quarter - Signaling Significant Improvement Over Prior Year Results
SALT LAKE CITY, Feb. 13 /PRNewswire-FirstCall/ -- Dynatronics Corporation (Nasdaq: DYNT ) today announced results for its fiscal second quarter and six months ended December 31, 2008.
Operating results showed significant improvement over the three and six months ended December 31, 2007. Pr...
Neuroscientists show insulin receptor signaling regulates structure of brain circuits
A team of neuroscientists at Cold Spring Harbor Laboratory (CSHL) has demonstrated for the first time in living animals that insulin receptors in the brain can initiate
signaling that regulates both the structure and function of neural circuits.
The finding suggests a significant role for thi...
Blocking signaling protein prevents prostate cancer spread, Jefferson scientists find
(PHILADELPHIA) Researchers at the Kimmel Cancer Center at Jefferson in Philadelphia have shown that by blocking a
signaling protein, they can prevent prostate cancer cells from metastatic dissemination. The work opens the door to future studies examining the protein as a target for therapies aimed...
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Signaling in Medical Technology
SF1126, Semafore's PI3 Kinase Inhibitor, Found to Block Angiogenic Signaling From Both VEGF and Bv8 in Multiple Cell Lines
INDIANAPOLIS, Aug. 26 /PRNewswire/ -- Semafore Pharmaceuticals Inc.
announced data presented at the Seventh International Congress on Targeted
Therapies in Cancer in Washington, D.C., showing additional antiangiogenic
activity of vascular-targeted PI3 kinase (PI3K) inhibitor SF1126, by
blockin...
St. Jude Finds Signaling System That Halts the Growth of a Childhood Brain Cancer
Researchers discover that proteins BMP2, BMP4 and BMP7 inhibit the
growth of medulloblastoma tumors, while inducing malignant cells to develop
into normal neurons, a finding that may lead to better treatments for the
cancer
MEMPHIS, Tenn., March 14 /PRNewswire-USNewswire/ -- A discovery by...
Nature Publication Reports on Key Role of Bile Acids in Glucose Metabolism and Insulin Signaling
Intercept Pharmaceuticals is Advancing Bile Acid-Derived Small Molecules with Potential Applications in Treating Metabolic Diseases
NEW YORK, Aug. 7 /PRNewswire/ -- Historically, bile acids have been
recognized primarily as natural detergents that regulate the absorption of
dietary lipid...
AGI Dermatics Clinical Data Indicate Bicyclic Monoterpene Diols Suppress MMP1 and Stimulate Collagen Through TNF-a Signaling
Clinical Data Presented at the 66th Annual Meeting of the American Academy of Dermatology
FREEPORT, N.Y., Feb. 11 /PRNewswire/ -- AGI Dermatics clinical research
indicates that the ability of bicyclic monoterpene diols (BMTds) to reduce
collagenese MMP-1 secretion an...
Radius' Investigational Bone Anabolic Agent, BA058, Increased Bone Mineral Density (BMD) at Key Fracture Sites in Phase 2 Clinical Trial in Postmenopausal Osteoporosis
...ct through the same receptor, PTHrP and its analogs play a distinct biological role from the PTH (parathyroid hormone) peptide by activating different
signaling responses--PTH regulates calcium homeostasis and bone resorption by acting primarily on target cells in bone and kidney, whereas PTHrP and its analogs...
FDA Issues Complete Response Letter for INTUNIV(TM) (guanfacine) Extended Release for the Treatment of ADHD in Children and Adolescents
...997;18:211-219.
6. Wang M, Arnsten AF, Brennan A, et al. ÿ±2A-adrenoceptors strengthen
working memory networks by inhibiting cAMP-HCN channel
signaling in
prefrontal cortex. Cell. 2007;129:397-410.
7. Arnsten AF, Li BM. Neurobiology of executive functions: catecholamine
influences on prefrontal...
Signaling in Medical Dictionary
Slit
... Look up slit in Wiktionary, the free dictionary. ... in clothing, slit is a vertical cut from hem of the ... The midline repellant
signaling molecule Slit . ... Double- slit experiment. Davisson–Germer experiment. Stern–Gerlach experiment ... In quantum mechanics, the double- s...
Physiology
...or books: new ~ used ~ paperbacks ~ NYTBS. Buy Human Physiology for $134.99 now & save. ENDOCRINE PHYSIOLOGY AND METABOLISM. RECEPTORS AND
signaling PATHWAYS ... COMPARATIVE AND EVOLUTIONARY PHYSIOLOGY . SLEEP AND BIOLOGICAL RHYTHMS ... In October 2002, The Nobel Prize in Physiology or Medic...
Neuron
... on NEURON the software program used by neuroscientists to create models... A comprehensive theory and description of the neural system from the
signaling ... Go to MAJOR CONCEPTUAL CHANGES introduced by the Electrolytic Theory of the neuron ... Welcome to Neuron Skates home to vintage and collec...
Intracellular
...with the virion lysates on ... About 0.1-0.2% of the intracellular levels of endophilin were recovered in virus, ... A number of intracellular
signaling chemicals are fixed to subcellular ... Protective Role of Intracellular Zinc in Myocardial Ischemia/Reperfusion Is ... Information about intrac...
Insulin
...ension, a peer reviewed journal, provides a forum for scientific inquiry of the highest standard in the fields of hypertension and ... Insulin
signaling pathway (KEGG); Type II diabetes mellitus (KEGG); Type I ... Insulin is an anabolic (part of metabolism that builds larger molecules) ... Di...
Floaters
...ch the open ... To test yourself for floaters , look up at the sky (or wall) and slowly move your ... Floaters and flashes can be warning signs
signaling a more severe problem in your eye, including retinal tears and detachments. Floaters are little "cobwebs" or specks that float about in your fie...
Signaling in Biological News
'Disordered' amino acids may really be there to provide wiggle room for signaling protein
Sections of proteins previously thought to be disordered may in fact have an unexpected biological role providing certain proteins room to move -- according to a study published by researchers at Fox Chase Cancer Center in this month's issue of the journal Structure (Cell Press).
The resea...
Burnham researchers discover 'on switch' for cell death signaling mechanism
LA JOLLA, Calif., January 5, 2009-- Scientists at Burnham Institute for Medical Research (Burnham) have determined the structure of the interactions between proteins that form the heart of the death inducing
signaling complex (DISC), which is responsible for triggering apoptosis (programmed cell d...
Breast cancer treatment resistance linked to signaling pathway
PHILADELPHIA -- Activation of the Src
signaling pathway may cause resistance to standard medical treatment in some patients with breast cancer, and inhibition of this pathway holds the potential to overcome that resistance, according to data presented here at the American Association for Cancer Re...
Imiquimod, an immune response modifier, is dependent on the OGF-OGFr signaling pathway
Researchers at The Pennsylvania State University College of Medicine, Hershey, Pennsylvania have discovered that the efficacy of imiquimod, a clinically important immune response modifier with potent antiviral and antitumor activity, is dependent on the Opioid Growth Factor (OGF)-OGF receptor (OGF...
MIT probe may help untangle cells' signaling pathways
CAMBRIDGE, Mass.--MIT researchers have designed a new type of probe that can image thousands of interactions between proteins inside a living cell, giving them a tool to untangle the web of
signaling pathways that control most of a cell's activities.
"We can use this to identify new protein par...
Proteins that stop a major signaling pathway can also generate new proteins
DURHAM, N.C. Duke University Medical Center researchers have recently discovered that a crucial communications pathway in cells not only stops cells from making proteins, it also makes them go. The team was able to define the way in which proteins called beta arrestins (for their role in stopping...
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Signaling in Biological Technology
Novocell Announces Discovery Linking Key Cancer Cell Signaling Pathways With Proliferation and Self-Renewal of Human Embryonic Stem Cells
- Findings Published in Blood -
SAN DIEGO, Aug. 30 /PRNewswire/ -- Novocell Inc., a stem cell
engineering company, today announced research findings that for the first
time identify two prominent cancer cell
signaling pathways as essential for
the efficient proliferation an...
Data Published in Cell Stem Cell Demonstrates Potent Anti-Cancer Activity for OncoMed Pharmaceuticals' Lead Antibody
...and recurrence."
OMP-21M18 is a monoclonal antibody that blocks DLL4
signaling to reduce tumor growth two ways: by reducing cancer stem cell frequency an...ut OMP-21M18
OMP-21M18 is a monoclonal antibody optimized to block a key
signaling pathway in cancer stem cells. Specifically, OMP-21M18 selectively targets ...
Keryx Biopharmaceuticals, Inc. Announces Second Quarter 2009 Financial Results
...X-0401 (perifosine), a novel, potentially first-in-class, oral anti-cancer agent that inhibits the phosphoinositide 3-kinase (PI3K)/Akt pathway, a key
signaling cascade that has been shown to induce cell growth and cell transformation. KRX-0401 has demonstrated both safety and clinical efficacy in numerous adu...
Keryx Biopharmaceuticals, Inc. to Hold Conference Call on Second Quarter 2009 Financial Results on Thursday, August 6, 2009 at 8:30am EDT
...X-0401 (perifosine), a novel, potentially first-in-class, oral anti-cancer agent that inhibits the phosphoinositide 3-kinase (PI3K)/Akt pathway, a key
signaling cascade that has been shown to induce cell growth and cell transformation. KRX-0401 has demonstrated both safety and clinical efficacy in numerous adu...
Cardium Announces New Orthobiologics Product Initiative Extending Gene Activated Matrix Technology to Deliver Bone Growth Factors
...tor proteins stimulate cellular proliferation and cellular differentiation. Growth factors regulate a variety of cellular processes, as well as other
signaling molecules, which play key roles in the regeneration and repair of soft tissues (skin, ligaments, tendons and cartilage) and hard tissues (bone). Base...
Histogen Hair Regrowth Clinical Trial Presented at ISHRS Annual Meeting
...s Wnt proteins and other growth factors important to hair follicle maintenance and growth," said Dr. Gail K. Naughton, CEO of Histogen. "Wnt
signaling has been shown by a number of experts in the field to be responsible for initiating epidermal stem cells to form new hair follicles in mice, and to be...
Signaling in Biological Products
Rabbit Anti-Evolutionarily conserved signaling intermediate in Toll pathway Polyclonal Antibody, Unconjugated from GenWay Biotech, Inc.
Description: Evolutionarily conserved
signaling intermediate in Toll pathway...
Company:GenWay Biotech, Inc.
Rabbit Anti-Shh Polyclonal Antibody, Unconjugated from Cell Signaling Technology
Description: Shh Antibody Shipping Temperature: HOT Storage Temperature: -20C...
Company:Cell Signaling Technology
Anti-PERK, phospho (Thr980) Antibody, Unconjugated from Cell Signaling Technology
Description: Phospho-PERK (Thr980) Antibody...
Company:Cell Signaling Technology
Rabbit Anti-Chk1, phospho (Ser296) Polyclonal Antibody, Unconjugated from Cell Signaling Technology
Description: Phospho-Chk1 (Ser296) Antibody Shipping Temperature: HOT Storage Temperature: -20C...
Company:Cell Signaling Technology
Mouse Anti-PDK1 Docking Motif, phospho (Ser / Thr) Monoclonal Antibody, Unconjugated, Clone 18A2 from Cell Signaling Technology
Description: Phospho- (Ser/Thr) PDK1 Docking Motif (18A2) Mouse mAb...
Company:Cell Signaling Technology
Anti-FKHR, phospho (Thr24) / FKHRL1, phospho (Thr32) Antibody, Unconjugated from Cell Signaling Technology
Description: Phospho-FKHR (Thr24)/FKHRL1 (Thr32) Antibody...
Company:Cell Signaling Technology
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Signaling in Biological Definition
Actin
...Arp2/3 proteins , which serve as sites for nucleation, stimulating the formation of G-actin trimers. All of these three proteins are regulated by cell
signaling mechanism.
Organization
Actin filaments are assembled in two general types of structures: bundles and networks. Actin-binding proteins dictat...
Apoptosis
...ord and the floor plate secrete a gradient of the
signaling molecule Sonic hedgehog (Shh), and it is this gr...is factor ( TNF ), a 157 amino acid inter-cellular
signaling molecule ( cytokine ) produced mainly by activated...asL results in the formation of the death-inducing
signaling complex (DISC), which contains the Fas-associated ...
Cell growth
...sion of myocyes. Some of the key proteins are important for cell adhesion between myocytes and some are involved in adhesion-dependent cell-to-cell
signaling that allows for a cascade of cell fusion events.
Oocytes can be unusually large cells in species for which embryonic development takes place awa...
Cilium
... called " Primary cilium " that has been neglected for a long time. Recent studies led scientists to re-evaluate its physiological role(s) in the cell
signaling and the control of cell growth and development.
A cilium has an outer membrane that surrounds a core called an axoneme , which contains nine ...
Morphogenesis
...yncytial blastoderm.
Cells that make Engrailed can make the cell-to-cell
signaling protein Hedgehog (green in the figure to the left). Hedgehog is not free ...ze Engrailed expression after the cellular blastoderm forms. The reciprocal
signaling by Hedgehog and Wingless stabilizes the boundary between each segment. The ...
Lipase
... cell biology . Furthermore, lipases are involved in diverse biological processes ranging from routine metabolism of dietary triglycerides to cell
signaling and inflammation . Several different types of lipases are found in the human body , including pancreatic lipase, hepatic lipase, lysosomal lipase, ...
Signaling in Biological Dictionary
Transmembrane receptor
...he the cell and the outside world. Extracellular
signaling molecules attach to the receptor , triggering... ...idine kinases and ... mechanism of transmembrane
signaling by the aspartate receptor : a model. ... PolyM...nsmembrane receptor protein tyrosine kinase
signaling pathway ... 3.1.2 Signal transduction of tra...
Transmembrane proteins
...ne receptors are specialized integral membrane proteins that take part in communication between the the cell and the outside world. Extracellular
signaling molecules attach to the receptor, triggering... Transmembrane protein A transmembrane protein is a protein that spans the entire biologic...
Streptavidin
...ilized via covalent binding of primary amino ... Streptavidin is a 53,000 dalton tetrameric protein purified from the bacterium ... This Cell
signaling Technology product is useful for the detection of biotinylated proteins (1,2). Conjugation of horseradish peroxidase (HRP) to streptavidin is ... ...
Spermatogenesis
...process by ... Spermatogenesis ... This page covers the topic of spermatogenesis , the production of the male gametes. ... Hedgehog homeobox
signaling in Spermatogenesis Deletion of Dhh, a hedgehog ... Spermatogenesis summary with 9 pages of encyclopedia entries, essays, summaries, research in...
SiRNA
...edule ... SignalSilence<sup>®</sup > Akt siRNA I from Cell
signaling Technology (CST) allows the researcher to specifically inhibit Akt express...ion using RNA interference, a ... SignalSilence® MEK1 siRNA from Cell
signaling Technology allows the researcher to specifically inhibit MEK1 expression ...
Signal transduction
... page is an annotated index of major online resources dealing with cell
signaling ... Signal Transduction at Cell Membranes: Protein Kinases/Phosphatases...al transduction page provides a brief discussion of various biological
signaling molecules and pathways. ... and Phospholipids in Signal Transduction .....