Tyrosine

A new Eph receptor tyrosine kinase overexpressed in gastric cancer was found

The potential role of Eph receptor and ephrin ligand family in human cancer is receiving increasing attention. Compared with other Eph receptors, EphA4 is distinguished by its ability to bind to both type A ephrins and most type B ephrins. EphA4 reportedly forms a hetero receptor complex with FGFR...

Data Show SuperGen's Multi-Targeted Tyrosine Kinase Inhibitor Demonstrates Pre-clinical Activity in Glioblastoma Multiforme

Small molecule drug inhibits key DNA repair mechanism involved in resistance DUBLIN, Calif., Oct. 31 /PRNewswire-FirstCall/ -- SuperGen Inc. (Nasdaq: SUPG ), a pharmaceutical company dedicated to the discovery, rapid development and commercialization of therap...

Decision Resources' Updated Rheumatoid Arthritis Report Now Includes Forecast for Rigel Pharmaceuticals' Fostamatinib Disodium

...nt regarding additional Phase II clinical data for fostamatinib disodium. The report finds that, owing to its impressive efficacy, the spleen tyrosine kinase (Syk) inhibitor fostamatinib disodium will likely precede TNF-alpha inhibitors such as Amgen/Wyeth/Takeda's Enbrel and Abbott/Eisai's Humira in...

EntreMed Reports Second Quarter 2009 Financial Results

...ty, including tumor regression, in multiple solid and hematological malignancies. ENMD-2076 has been shown to inhibit a distinct profile of angiogenic tyrosine kinase targets in addition to the Aurora A kinase. Aurora kinases are key regulators of mitosis (cell division), and are often over-expressed in human...

Boehringer Ingelheim to Commence Phase III Study Investigating the Role of BIBW 2992 as First-Line Treatment for Non-Small Cell Lung Cancer (NSCLC) Patients with EGFR Mutations

...cine at the National Taiwan University (NTU). "BIBW 2992 is an irreversible tyrosine kinase inhibitor(1) whose clinical benefit we are hoping to confirm in the .... (4) Yang, Chih-Hsin et al., "BIBW 2992, a novel irreversible EGFR/HER2 tyrosine kinase inhibitor, in chemonaive patients with adenocarcinoma of the lung an...

Advanced targeted therapies effective as first-line treatment for lung cancer

...n EGF attaches to an EGFR, it activates the enzyme tyrosine kinase, triggering reactions that cause the cells ... reported to be associated with resistance to EGFR tyrosine kinase inhibitors." Dr. Mok will present this ...y. One of these targeted therapies is gefitinib, a tyrosine kinase inhibitor (TKI) that targets the epidermal ...

Tyrosine in Medical Technology

SuperGen Reports Initiation of Multi-arm Phase 1b Trial of Novel Tyrosine Kinase Inhibitor

DUBLIN, Calif., December 17 /PRNewswire-FirstCall/ -- SuperGen, Inc. (Nasdaq: SUPG ) today announced that investigators have dosed the first patient in a multi-arm Phase 1b clinical trial of MP470, a novel, oral, multi-targeted tyrosine kinase inhibitor (TKI). The trial will evaluate MP470 in...

VioQuest Pharmaceuticals Announces Dosing of First Patient in Phase IIa Solid Tumor Study for Lenocta(TM), a Novel Protein Tyrosine Phosphatase Inhibitor

BASKING RIDGE, N.J., Nov. 26 /PRNewswire-FirstCall/ -- VioQuest Pharmaceuticals (OTC Bulletin Board: VQPH) today announced the initiation of a Phase IIa study of Lenocta(TM) (sodium stibogluconate), a novel protein tyrosine phosphatase inhibitor, in combination with interferon alpha, an immune...

Pharmacyclics Announces Presentations on Its Novel and Selective HDAC and Bruton's Tyrosine Kinase Inhibitor Compounds

SUNNYVALE, Calif., April 11, 2007 /PRNewswire-FirstCall/ -- Pharmacyclics, Inc. announced today multiple presentations regarding its novel histone deacetylase (HDAC) inhibitor and Bruton's tyrosine kinase inhibitor compounds. The presentations will take place at the American Association for Cancer...

Pharmacyclics Identifies Functional Biomarkers for its Novel HDAC Inhibitor and Demonstrates Preclinical Anti-Tumor Activity with Bruton's Tyrosine Kinase Inhibitors

SUNNYVALE, Calif. and LOS ANGELES, April 18, 2007 /PRNewswire-FirstCall/ -- Pharmacyclics, Inc. today announced data from two preclinical studies, one identifying a functional biomarker for its novel histone deacetylase (HDAC) inhibitor and another demonstrating preclinical anti-tumor activity wit...

Data Show SuperGen's Multi-Targeted Tyrosine Kinase Inhibitor Suppresses Critical Double-Stranded DNA Repair Protein, Rad51

Other Presentations at AACR Highlight Progress in SuperGen's Oncology-Focused Pre-Clinical Pipeline LOS ANGELES, April 19, 2007 /PRNewswire-FirstCall/ -- SuperGen Inc. today announced that MP470, its multi-targeted tyrosine kinase inhibitor, suppresses the Rad51 protein, a critical component of do...

Cephalon Provides Clinical Update on Lestaurtinib in Relapsed Acute Myelogenous Leukemia

...to improve patient outcomes and the overall cost of healthcare." Developed by Cephalon scientists, lestaurtinib is a potent inhibitor of several tyrosine kinases including FLT3 and a Janus kinase (JAK2). In leukemic cells, lestaurtinib inhibits FLT3 activity and induces cell death (apoptosis). In myelop...

Tyrosine in Medical Products

Muscle-Specific Receptor Tyrosine Kinase Autoantibody (MuSKAb)

Description: RIA kit for the determination of autoantibodies to the muscle-specific receptor tyrosine kinase....
Company:KRONUS

Phenylalanine & Tyrosine

Description: ARUP Laboratories is a national reference laboratory and a worldwide leader in innovative laboratory research and development. ARUP offers an extensive test menu of highly complex and unique medical tests in clinical and anatomic pathology. Owned by the University of Utah, ARUP Laboratories' client...
Company:ARUP Laboratories

Total T4 RIA Test

Description:...lar cells of the thyroid gland [1]. T4 is synthesized via a series of steps involving: (i) iodide trapping by the follicular cells, (ii) iodination of tyrosine residues in the thyroglobulin substrate leading to formation of 3-monoiodotyrosine and 3,5-diiodotyrosine (MIT and DIT), and (iii) coupling of MIT and...
Company:Diagnostic Systems Laboratories, Inc.

Total T4 EIA Test

Description:...lar cells of the thyroid gland [1]. T4 is synthesized via a series of steps involving: (i) iodide trapping by the follicular cells, (ii) iodination of tyrosine residues in the thyroglobulin substrate leading to formation of 3-monoiodotyrosine and 3,5-diiodotyrosine (MIT and DIT), and (iii) coupling of MIT and...
Company:Diagnostic Systems Laboratories, Inc.

InSite™ Her-2/neu Kit

Description:... The Her-2/neu protein is a 185 kD trans-membrane glycoprotein associated with tyrosine kinase activity. Approximately 20-30% cases of breast cancer show an amplification and/or over-expression of Her-2/neu in tumor cells. Since the intro...
Company:BioGenex Laboratories

GAD/IA-2 Autoantibody Screen

Description:...hase, the characteristic circulation of autoantibodies against a variety of islet cell antigens including glutamic acid decarboxylase (GAD65), IA-2 (a tyrosine phosphatase-like protein), and insulin provides early markers of autoimmune disease activity. Measurement of these immunologic markers has been sh...
Company:KRONUS

Tyrosine in Biological News

CSHL-led team identifies key decision-point at which cells with broken DNA repair themselves or die

...led WSTF -- attaches phosphate to critical site, a tyrosine residue, at the extreme end of the protein," Tonks...to be understood as a large superfamily of protein tyrosine phosphatases, or PTPs enzymes that specifically r... i.e., it was thought to take phosphate groups off tyrosine residues in proteins - the identity of its target ...

Research supports toxoplasmosis link to schizophrenia

... first step in discovering why there is this link." The parasite infects the brain by forming a cyst within its cells and produces an enzyme called tyrosine hydroxylase, which is needed to make dopamine. Dopamine's role in mood, sociability, attention, motivation and sleep patterns are well documented and...

Decreasing insulin resistance prevents obesity-related cardiovascular damage

...ovascular disease is the biggest health threat of obesity and Medical College of Georgia researchers trying to understand why have knocked out protein tyrosine phosphatase 1B, or PTP1B, in genetically fat mice that get diabetes. "Even before you have really bad diabetes, you are walking around obese with y...

Recipe for capturing authentic embryonic stem cells may apply to any mammal, study suggests

...tural default state, allowing them to self-renew, or multiply, as generic stem cells. (The cocktails include inhibitors of GSK3, MEK, and FGF receptor tyrosine kinases.) Most importantly, the isolated cells can produce high rates of chimerism when reintroduced into early stage embryos and can transmit thro...

GUMC researchers find gene function 'lost' in melanoma and glioblastoma

...redisposition to cancer," Waldman says PTPRD produces a receptor protein tyrosine phosphatase that bisects the outer membrane of a cell. The part that protru...discovered yet in melanoma," Waldman says. "Before this study, no single tyrosine phosphatase was thought to play a generally important role as a tumor suppr...

JDRF funded research shows promise for prevention, reversal of type 1 diabetes

...respectively are used to treat cancer by blocking tyrosine kinases, an enzyme that modify cells' signaling pr...rigger cell growth, and it is widely believed that tyrosine kinases are a contributing factor to autoimmune di...ses and cancer. The researchers hypothesized that tyrosine kinases may also serve as a trigger to the body's ...

Tyrosine in Biological Technology

TKXtra DataFile: Homogenous tyrosine kinase detection using High Efficiency Fluorescence Polarization

A Sensitive, Robust, Homogenous,and Rapid Assay Uses High Efficiency Fluorescence Polarization (HEFP) detection method Assays a broad range of tyrosine kinases Requires no separation or wash steps Available in a kit and in bulk packaging Introduction Sc...

Homogeneous, chemiluminescent kinase assay kits for assessing the functional activity of a broad range of serine-threonine and tyrosine kinases

J. Turner GE Healthcare, The Maynard Centre, Cardiff, UK Competitive binding assays have been developed for measuring the functional activity of a range of serine-threonine and tyrosine kinases. Based on enzyme fragment complementation and the ...

TKB1 Cells Identify Receptor Tyrosine Kinase Interacting Proteins

In vivo phosphorylation with TKB1 competent cells David L. Dankort William J. Muller Institute for Molecular Biology and Biotechnology, McMaster University, Ontario, Canada GST-fusion proteins expressed in TKB1 bacteria are used to affinity purify cellular proteins, which ...

New Report Just Published: World Prostate Cancer Therapeutics Market Report

...erapy II-50 Targeted Therapy II-50 Selective Endothelia A Receptor Antagonist - (SERA(TM)) II-51 Other Select Targeted Therapies II-52 tyrosine Kinase Inhibitors II-52 Anti-Angiogenic Drugs II-52 Monoclonal Antibodies II-52 Vaccines II-52 Radioactive Monoclonal Antibodies II-52...

Scientists identify gene vital to early embryonic cells forming a normal heart and skull

...estigator of the study. "This leads to anatomical and functional deficits so severe that it precludes viability of the developing fetus." SHP2 is a tyrosine phosphatase an enzyme that helps trigger a cascade of biochemical reactions in cells as they specify to form certain tissues. Although the study ...

Quest Diagnostics to Present Genomic Studies Related to New Testing Techniques for Leukemia and Prostate Cancer at 2009 ASCO Meeting

...ddition, scientists from Quest Diagnostics and M.D. Anderson Cancer Center identified three novel (previously undescribed) mutations along the BCR-ABL tyrosine kinase that may constitute a new class of mutations that "confer significant drug resistance" to imatinib therapy by expressing a truncated BCR-ABL1. ...

Tyrosine in Biological Products

Non-Receptor Tyrosine Kinase Sampler Kit from BD Biosciences Pharmingen

Description: Non-Receptor Tyrosine Kinase Sampler Kit 10 mu g each...
Company:BD Biosciences Pharmingen

Protein Tyrosine Phosphatase Sampler Kit from BD Biosciences Pharmingen

Description: Protein Tyrosine Phosphatase Sampler Kit 10g each...
Company:BD Biosciences Pharmingen

Protein Tyrosine Phosphatase 1B Colorimetric Assay Kit from Calbiochem

Description: ...
Company:Calbiochem

Rabbit Anti-JAK2, phospho (Tyr1007) Polyclonal Antibody, Unconjugated from Abcam

Description:...o Y1007) ( Abpromise for all tested applications). Antigen: Synthesized phosphopeptide derived from human JAK2 around the phosphorylation site of tyrosine 1007 (K-E-Y P -Y-K). Entrez Gene ID: 3717 Swiss Protein ID: O60674...
Company:Abcam

Anti-3CH134 / CL100 PTPase Polyclonal Antibody, Unconjugated from Cell Sciences

Description:... Oxidative Stress-Inducible Protein tyrosine Phosphatase...
Company:Cell Sciences

Rabbit Anti-Tyrosine Hydroxylase, phospho (Ser40) Polyclonal Antibody, Unconjugated from IMGENEX

Description:... Antigen Afinity Purified tyrosine Hydroxylase (Ser40) Polyclonal Antibody This polyclonal antibody was raised... corresponding to amino acids residues surrounding the phospho-Ser40 of rat tyrosine Hydroxylase (rTH). The antibody was purified by sequential chromatography o...
Company:IMGENEX

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Tyrosine in Biological Definition

Amino acid

...bic 117.15 6.00 2.39 9.74 W Trp Tryptophan hydrophobic 204.23 5.89 2.46 9.41 Y Tyr tyrosine hydrophobic 181.19 5.64 2.20 9.21 10.46 Amino Acid hydrophobic positive negative polar charged smal...

Capacitation

...eyun; Olds-Clarke, Patricia; and Kopf, Gregory S. (1995). Capacitation of mouse spermatozoa: I. Correlation between the capacitation state and protein tyrosine phosphorylation. Development 121 , 1129-1137. PMID 7743926 . full article text available on-line ...

Cancer

...creased exponentially since the last decades of the 20th century, radically new therapies are only discovered and introduced gradually. Inhibitors of tyrosine kinases ( imatinib and gefitinib ) in the late 1990 were considered a major breakthrough; these interfere specifically with tumor-specific proteins....

Cell growth

...ion before reaching the normal size ( wee mutants). The Wee1 protein is a tyrosine kinase . It normally phosphorylates the Cdc2 cell cycle regulatory protein on a tyrosine residue. This covalent modification of the molecular structure of Cdc2 ...

Genetic code

...S) Serine UCA (Ser/S) Serine UCG (Ser/S) Serine UAU (Tyr/Y) tyrosine UAC (Tyr/Y) tyrosine UAA Ochre ( Stop ) UAG Amber ( Stop ) UGU (Cys/C) Cysteine ...

Enzyme

...nverts the essential amino acid phenylalanine into tyrosine does not work, resulting in a buildup of phenylala...ydrogen peroxide Trypsin : digests proteins tyrosine kinases : those enzymes which transfer phosphate groups to a tyrosine residue in a protein Tyrosinase Urease : ...

Tyrosine in Biological Dictionary

Transmembrane receptor

... but ... transmembrane protein - receptor tyrosine kinase - the ligand Jelly belly activates Alk .... as a consequence of a transmembrane receptor tyrosine kinase binding to its ... GO:0007169 : transmembrane receptor protein tyrosine kinase signaling pathway ... 3.1.2 Signal tr...

Ribonucleotides

...e polymerized next in solution onto a ... use either deoxyribonucleotides (dNTPs) or ribonucleotides ... unable to use ribonucleotides , and the tyrosine substitution ... ribonucleotides ' binding ... Ribonucleotides are found in RNA (ribonucleic acid) and sometimes in DNA. ... The ribonucleoti...

Proto-oncogene

...l into a cancer cell. The RET proto - oncogene encodes a receptor tyrosine kinase for members of the glial cell line-derived neurotrophic factor ...lls. ... The ret proto - oncogene ( proto -ret) encodes a receptor type tyrosine kinase with ... Proto - oncogene definition - Medical Dictionary def...

Norepinephrine

... medulla and the nerve endings of the A compilation of neurotranmitter and amino acid information and how it affects you. ... Phenylalanine and tyrosine are precursors to norepinephrine and epinephrine. ... Norepinephrine or noradrenaline is a hormone and a neurotransmitter; it is ... Like epi...

Drosophila

... the pebble gene; ... Robo3 extracellular ( Drosophila ) 15G1a(EcR-A) ecdysone receptor (EcR-A) ... rhodopsin Drosophila . 4C71B7. protein tyrosine phosphatase, receptor-linked, DPTP99A ... Molecular requirements for actin-based lamella formation in Drosophila S2 cells ... jaguar - Drosoph...

Capacitation

...essential prerequisite to fertilizion. ... The process of capacitation is a pre-requisite for mammalian spermatozoa ... Capacitation -associated tyrosine phosphorylation is thought to be primarily ... ...