Evolution of Escherichia Coli Expression System in Producing Antibody Recombinant Fragments
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The Role of Epidermal Growth Factor Receptor in Cancer and Their Application Oncology Section for New Targeted Cancer Therapy
DOI: 10.7860/JCDR/2018/35499.11680 Review Article The Role of Epidermal Growth Factor Receptor in Cancer and their Application Oncology Section for New Targeted Cancer Therapy FARAJOLAH MALEKI1, SADEGHIFARD NOORKHODA2, RAHELEH HALABIAN3, ELHAM BEHZADI4, ABBAS ALI IMANI FOOLADI5 ABSTRACT Epidermal Growth Factor Receptor (EGFR) has central role in cancer therapy because it causes tumour progression in many cases. The EGFR has seven ligands. Each factor that can block this binding, inhibits the intracellular signal transduction and prevents progression of the tumours. Immune system response is the most important factor for suppressing the initial stage of tumour growth and destroying some initial malignant cells, daily. On the other hand, tumours have different mechanisms to hide their antigens and escape from immune system responses. In contrary, tumours use some mechanisms to escape from immune system such as: 1) use of TGF-β to initiate angiogenesis and immune suppression; 2) Induces Treg cell activation to modulate other immune cells; 3) secretion of the prostaglandin E2 to convert T cell into Treg. So, if a superantigen fused to one of the EGFR-ligands, causes the induction of immune system responses against the tumour cells. One of the new methods is based on the use of the fused super antigen with a ligand of the EGFR to inhibit ligand attaching to the EGFR and inducing immune system responses. To achieve this goal, we can block binding of EGFR to their ligands in the extracellular domain by fusing ligands with bacterial superantigens, toxins or cytokines of the viruses and plants that can induce immune system responses and kill malignant cells. -
Predictive QSAR Tools to Aid in Early Process Development of Monoclonal Antibodies
Predictive QSAR tools to aid in early process development of monoclonal antibodies John Micael Andreas Karlberg Published work submitted to Newcastle University for the degree of Doctor of Philosophy in the School of Engineering November 2019 Abstract Monoclonal antibodies (mAbs) have become one of the fastest growing markets for diagnostic and therapeutic treatments over the last 30 years with a global sales revenue around $89 billion reported in 2017. A popular framework widely used in pharmaceutical industries for designing manufacturing processes for mAbs is Quality by Design (QbD) due to providing a structured and systematic approach in investigation and screening process parameters that might influence the product quality. However, due to the large number of product quality attributes (CQAs) and process parameters that exist in an mAb process platform, extensive investigation is needed to characterise their impact on the product quality which makes the process development costly and time consuming. There is thus an urgent need for methods and tools that can be used for early risk-based selection of critical product properties and process factors to reduce the number of potential factors that have to be investigated, thereby aiding in speeding up the process development and reduce costs. In this study, a framework for predictive model development based on Quantitative Structure- Activity Relationship (QSAR) modelling was developed to link structural features and properties of mAbs to Hydrophobic Interaction Chromatography (HIC) retention times and expressed mAb yield from HEK cells. Model development was based on a structured approach for incremental model refinement and evaluation that aided in increasing model performance until becoming acceptable in accordance to the OECD guidelines for QSAR models. -
Response to Trastuzumab, Erlotinib, and Bevacizumab, Alone and In
2664 Response to trastuzumab, erlotinib, and bevacizumab, alone and in combination, is correlated with the level of human epidermal growth factor receptor-2 expression in human breast cancer cell lines David R. Emlet, Kathryn A. Brown, not increase apoptosis substantially. These studies sug- Deborah L. Kociban, Agnese A. Pollice, gest that the effects of two and three-drug combinations Charles A. Smith, Ben Brian L. Ong, of trastuzumab, erlotinib, and bevacizumab might offer and Stanley E. Shackney potential therapeutic advantages in HER2-overexpressing breast cancers, although these effects are of low Laboratory of Cancer Cell Biology and Genetics, Department of magnitude, and are likely to be transient. [Mol Cancer Human Oncology, Drexel University College of Medicine and the Ther 2007;6(10):2664–74] Allegheny-Singer Research Institute, Allegheny General Hospital, Pittsburgh, Pennsylvania Introduction Human epidermal growth factor receptor-2 (HER2), a Abstract member of the epidermal growth factor receptor (EGFR) Human epidermal growth factor receptor-2 (HER2) and family of tyrosine kinases, is overexpressed in 25% to 30% epidermal growth factor receptor (EGFR) heterodimerize to of human breast cancers (1). It has been implicated in activate mitogenic signaling pathways. We have shown cancer progression (2, 3), and has been identified as a previously, using MCF7 subcloned cell lines with graded prognostic and predictive marker for breast cancer out- levels of HER2 expression, that responsiveness to trastu- come (4). Clinically, chemotherapeutic -
DRUGS REQUIRING PRIOR AUTHORIZATION in the MEDICAL BENEFIT Page 1
Effective Date: 08/01/2021 DRUGS REQUIRING PRIOR AUTHORIZATION IN THE MEDICAL BENEFIT Page 1 Therapeutic Category Drug Class Trade Name Generic Name HCPCS Procedure Code HCPCS Procedure Code Description Anti-infectives Antiretrovirals, HIV CABENUVA cabotegravir-rilpivirine C9077 Injection, cabotegravir and rilpivirine, 2mg/3mg Antithrombotic Agents von Willebrand Factor-Directed Antibody CABLIVI caplacizumab-yhdp C9047 Injection, caplacizumab-yhdp, 1 mg Cardiology Antilipemic EVKEEZA evinacumab-dgnb C9079 Injection, evinacumab-dgnb, 5 mg Cardiology Hemostatic Agent BERINERT c1 esterase J0597 Injection, C1 esterase inhibitor (human), Berinert, 10 units Cardiology Hemostatic Agent CINRYZE c1 esterase J0598 Injection, C1 esterase inhibitor (human), Cinryze, 10 units Cardiology Hemostatic Agent FIRAZYR icatibant J1744 Injection, icatibant, 1 mg Cardiology Hemostatic Agent HAEGARDA c1 esterase J0599 Injection, C1 esterase inhibitor (human), (Haegarda), 10 units Cardiology Hemostatic Agent ICATIBANT (generic) icatibant J1744 Injection, icatibant, 1 mg Cardiology Hemostatic Agent KALBITOR ecallantide J1290 Injection, ecallantide, 1 mg Cardiology Hemostatic Agent RUCONEST c1 esterase J0596 Injection, C1 esterase inhibitor (recombinant), Ruconest, 10 units Injection, lanadelumab-flyo, 1 mg (code may be used for Medicare when drug administered under Cardiology Hemostatic Agent TAKHZYRO lanadelumab-flyo J0593 direct supervision of a physician, not for use when drug is self-administered) Cardiology Pulmonary Arterial Hypertension EPOPROSTENOL (generic) -
Modifications to the Harmonized Tariff Schedule of the United States to Implement Changes to the Pharmaceutical Appendix
United States International Trade Commission Modifications to the Harmonized Tariff Schedule of the United States to Implement Changes to the Pharmaceutical Appendix USITC Publication 4208 December 2010 U.S. International Trade Commission COMMISSIONERS Deanna Tanner Okun, Chairman Irving A. Williamson, Vice Chairman Charlotte R. Lane Daniel R. Pearson Shara L. Aranoff Dean A. Pinkert Address all communications to Secretary to the Commission United States International Trade Commission Washington, DC 20436 U.S. International Trade Commission Washington, DC 20436 www.usitc.gov Modifications to the Harmonized Tariff Schedule of the United States to Implement Changes to the Pharmaceutical Appendix Publication 4208 December 2010 (This page is intentionally blank) Pursuant to the letter of request from the United States Trade Representative of December 15, 2010, set forth at the end of this publication, and pursuant to section 1207(a) of the Omnibus Trade and Competitiveness Act, the United States International Trade Commission is publishing the following modifications to the Harmonized Tariff Schedule of the United States (HTS) to implement changes to the Pharmaceutical Appendix, effective on January 1, 2011. Table 1 International Nonproprietary Name (INN) products proposed for addition to the Pharmaceutical Appendix to the Harmonized Tariff Schedule INN CAS Number Abagovomab 792921-10-9 Aclidinium Bromide 320345-99-1 Aderbasib 791828-58-5 Adipiplon 840486-93-3 Adoprazine 222551-17-9 Afimoxifene 68392-35-8 Aflibercept 862111-32-8 Agatolimod -
Bevacizumab) Injection, for Intravenous Use Persistent, Recurrent, Or Metastatic Cervical Cancer (2.6) Initial U.S
HIGHLIGHTS OF PRESCRIBING INFORMATION First-Line Nonsquamous nonsmall cell lung cancer (2.3) These highlights do not include all the information needed to use • 15 mg/kg every 3 weeks with carboplatin and paclitaxel AVASTIN safely and effectively. See full prescribing information for Recurrent glioblastoma (2.4) AVASTIN. • 10 mg/kg every 2 weeks Metastatic renal cell cancer (2.5) • 10 mg/kg every 2 weeks with interferon alfa AVASTIN (bevacizumab) injection, for intravenous use Persistent, recurrent, or metastatic cervical cancer (2.6) Initial U.S. Approval: 2004 • 15 mg/kg every 3 weeks with paclitaxel and cisplatin, or paclitaxel and topotecan WARNING: GASTROINTESTINAL PERFORATIONS, SURGERY Platinum-resistant recurrent epithelial ovarian, fallopian tube or primary AND WOUND HEALING COMPLICATIONS, and HEMORRHAGE peritoneal cancer (2.7) See full prescribing information for complete boxed warning. • 10 mg/kg every 2 weeks with paclitaxel, pegylated liposomal doxorubicin, Gastrointestinal Perforations: Discontinue for gastrointestinal or topotecan given every week perforation. (5.1) • 15 mg/kg every 3 weeks with topotecan given every 3 weeks Surgery and Wound Healing Complications: Discontinue in Platinum-sensitive recurrent epithelial ovarian, fallopian tube, or primary patients who develop wound healing complications that require peritoneal cancer (2.7) medical intervention. Withhold for at least 28 days prior to • 15 mg/kg every 3 weeks with carboplatin and paclitaxel for 6-8 cycles, elective surgery. Do not administer Avastin for at least 28 days followed by 15 mg/kg every 3 weeks as a single agent after surgery and until the wound is fully healed. (5.2) • 15 mg/kg every 3 weeks with carboplatin and gemcitabine for 6-10 cycles, Hemorrhage: Severe or fatal hemorrhages have occurred. -
BLA 761125 Page 7
BLA 761125 Page 7 HIGHLIGHTS OF PRESCRIBING INFORMATION -----------------------WARNINGS AND PRECAUTIONS---------------------- These highlights do not include all the information needed to use BEOVU Endophthalmitis and retinal detachments may occur following intravitreal safely and effectively. See full prescribing information for BEOVU. injections. Patients should be instructed to report any symptoms suggestive of endophthalmitis or retinal detachment without delay (5.1). BEOVU® (brolucizumab-dbll) injection, for intravitreal injection Increases in intraocular pressure (IOP) have been seen within 30 minutes of Initial U.S. Approval: 2019 an intravitreal injection (5.2). ----------------------------INDICATIONS AND USAGE------------------------- There is a potential risk of arterial thromboembolic events (ATE) following BEOVU is a human vascular endothelial growth factor (VEGF) inhibitor intravitreal use of VEGF inhibitors (5.3). indicated for the treatment of Neovascular (Wet) Age-Related Macular ------------------------------ADVERSE REACTIONS----------------------------- Degeneration (AMD) (1). The most common adverse reactions (≥ 5%) reported in patients receiving ----------------------DOSAGE AND ADMINISTRATION---------------------- BEOVU are vision blurred (10%), cataract (7%), conjunctival hemorrhage BEOVU is administered by intravitreal injection. The recommended dose for (6%), eye pain (5%), and vitreous floaters (5%) (6.1). BEOVU is 6 mg (0.05 mL of 120 mg/mL solution) monthly (approximately To report SUSPECTED ADVERSE REACTIONS, contact Novartis every 25-31 days) for the first three doses, followed by one dose of 6 mg (0.05 Pharmaceuticals Corporation at 1-888-669-6682 or FDA at 1-800-FDA mL) every 8-12 weeks (2). 1088 or www.fda.gov/medwatch. ---------------------DOSAGE FORMS AND STRENGTHS-------------------- See 17 for PATIENT COUNSELING INFORMATION. Injection: 6 mg/0.05 mL solution for intravitreal injection in a single-dose vial (3). -
Therapeutic Inhibition of VEGF Signaling and Associated Nephrotoxicities
REVIEW www.jasn.org Therapeutic Inhibition of VEGF Signaling and Associated Nephrotoxicities Chelsea C. Estrada,1 Alejandro Maldonado,1 and Sandeep K. Mallipattu1,2 1Division of Nephrology, Department of Medicine, Stony Brook University, Stony Brook, New York; and 2Renal Section, Northport Veterans Affairs Medical Center, Northport, New York ABSTRACT Inhibition of vascular endothelial growth factor A (VEGFA)/vascular endothelial with hypertension and proteinuria. Re- growth factor receptor 2 (VEGFR2) signaling is a common therapeutic strategy in ports describe histologic changes in the oncology, with new drugs continuously in development. In this review, we consider kidney primarily as glomerular endothe- the experimental and clinical evidence behind the diverse nephrotoxicities associ- lial injury with thrombotic microangiop- ated with the inhibition of this pathway. We also review the renal effects of VEGF athy (TMA).8 Nephrotic syndrome has inhibition’s mediation of key downstream signaling pathways, specifically MAPK/ also been observed,9 with the clinical ERK1/2, endothelial nitric oxide synthase, and mammalian target of rapamycin manifestations varying according to (mTOR). Direct VEGFA inhibition via antibody binding or VEGF trap (a soluble decoy mechanism and direct target of VEGF receptor) is associated with renal-specific thrombotic microangiopathy (TMA). Re- inhibition. ports also indicate that tyrosine kinase inhibition of the VEGF receptors is prefer- Current VEGF inhibitors can be clas- entially associated with glomerulopathies such as minimal change disease and FSGS. sifiedbytheirtargetofactioninthe Inhibition of the downstream pathway RAF/MAPK/ERK has largely been associated VEGFA-VEGFR2 pathway: drugs that with tubulointerstitial injury. Inhibition of mTOR is most commonly associated with bind to VEGFA, sequester VEGFA, in- albuminuria and podocyte injury, but has also been linked to renal-specificTMA.In hibit receptor tyrosine kinases (RTKs), all, we review the experimentally validated mechanisms by which VEGFA-VEGFR2 or inhibit downstream pathways. -
Global Analysis of Chaperone Effects Using a Reconstituted Cell-Free Translation System
Global analysis of chaperone effects using a reconstituted cell-free translation system Tatsuya Niwaa, Takashi Kanamorib,1, Takuya Uedab,2, and Hideki Taguchia,2 aDepartment of Biomolecular Engineering, Graduate School of Biosciences and Biotechnology, Tokyo Institute of Technology, Midori-ku, Yokohama 226-8501, Japan; and bDepartment of Medical Genome Sciences, Graduate School of Frontier Sciences, University of Tokyo, Kashiwa, Chiba 277-8562, Japan Edited by George H. Lorimer, University of Maryland, College Park, MD, and approved April 19, 2012 (received for review January 25, 2012) Protein folding is often hampered by protein aggregation, which can three chaperone systems are known to act cooperatively: TF and be prevented by a variety of chaperones in the cell. A dataset that DnaK exhibit overlapping cotranslational roles in vivo (13–15). evaluates which chaperones are effective for aggregation-prone Overexpression of DnaK/DnaJ and GroEL/GroES in E. coli proteins would provide an invaluable resource not only for un- rpoH mutant cells, which are deficient in heat-shock proteins, derstanding the roles of chaperones, but also for broader applications prevents aggregation of newly translated proteins (16). GroEL is in protein science and engineering. Therefore, we comprehensively believed to be involved in folding after the polypeptides are re- evaluated the effects of the major Escherichia coli chaperones, trigger leased from the ribosome, although the possible cotranslational factor, DnaK/DnaJ/GrpE, and GroEL/GroES, on ∼800 aggregation- involvement of GroEL has also been reported (17–20). prone cytosolic E. coli proteins, using a reconstituted chaperone-free Over the past two decades many efforts have been focused on translation system. -
XIAO-DISSERTATION-2015.Pdf
CELLULAR AND PROCESS ENGINEERING TO IMPROVE MAMMALIAN MEMBRANE PROTEIN EXPRESSION By Su Xiao A dissertation is submitted to Johns Hopkins University in conformity with the requirements for degree of Doctor of Philosophy Baltimore, Maryland May 2015 © 2015 Su Xiao All Rights Reserved Abstract Improving the expression level of recombinant mammalian proteins has been pursued for production of commercial biotherapeutics in industry, as well as for biomedical studies in academia, as an adequate supply of correctly folded proteins is a prerequisite for all structure and function studies. Presented in this dissertation are different strategies to improve protein functional expression level, especially for membrane proteins. The model protein is neurotensin receptor 1 (NTSR1), a hard-to- express G protein-coupled receptor (GPCR). GPCRs are integral membrane proteins playing a central role in cell signaling and are targets for most of the medicines sold worldwide. Obtaining adequate functional GPCRs has been a bottleneck in their structure studies because the expression of these proteins from mammalian cells is very low. The first strategy is the adoption of mammalian inducible expression system. A stable and inducible T-REx-293 cell line overexpressing an engineered rat NTSR1 was constructed. 2.5 million Functional copies of NTSR1 per cell were detected on plasma membrane, which is 167 fold improvement comparing to NTSR1 constitutive expression. The second strategy is production process development including suspension culture adaptation and induction parameter optimization. A further 3.5 fold improvement was achieved and approximately 1 milligram of purified functional NTSR1 per liter suspension culture was obtained. This was comparable yield to the transient baculovirus- insect cell system. -
Classification Decisions Taken by the Harmonized System Committee from the 47Th to 60Th Sessions (2011
CLASSIFICATION DECISIONS TAKEN BY THE HARMONIZED SYSTEM COMMITTEE FROM THE 47TH TO 60TH SESSIONS (2011 - 2018) WORLD CUSTOMS ORGANIZATION Rue du Marché 30 B-1210 Brussels Belgium November 2011 Copyright © 2011 World Customs Organization. All rights reserved. Requests and inquiries concerning translation, reproduction and adaptation rights should be addressed to [email protected]. D/2011/0448/25 The following list contains the classification decisions (other than those subject to a reservation) taken by the Harmonized System Committee ( 47th Session – March 2011) on specific products, together with their related Harmonized System code numbers and, in certain cases, the classification rationale. Advice Parties seeking to import or export merchandise covered by a decision are advised to verify the implementation of the decision by the importing or exporting country, as the case may be. HS codes Classification No Product description Classification considered rationale 1. Preparation, in the form of a powder, consisting of 92 % sugar, 6 % 2106.90 GRIs 1 and 6 black currant powder, anticaking agent, citric acid and black currant flavouring, put up for retail sale in 32-gram sachets, intended to be consumed as a beverage after mixing with hot water. 2. Vanutide cridificar (INN List 100). 3002.20 3. Certain INN products. Chapters 28, 29 (See “INN List 101” at the end of this publication.) and 30 4. Certain INN products. Chapters 13, 29 (See “INN List 102” at the end of this publication.) and 30 5. Certain INN products. Chapters 28, 29, (See “INN List 103” at the end of this publication.) 30, 35 and 39 6. Re-classification of INN products. -
Monovalent Antibody Design and Mechanism of Action of Onartuzumab, a MET Antagonist with Anti-Tumor Activity As a Therapeutic Ag
Monovalent antibody design and mechanism of PNAS PLUS action of onartuzumab, a MET antagonist with anti-tumor activity as a therapeutic agent Mark Merchanta,1,2, Xiaolei Mab,2,3, Henry R. Maunc,2, Zhong Zhenga,2,4, Jing Penga, Mally Romeroa,5, Arthur Huangd,6, Nai-ying Yanga, Merry Nishimuraa, Joan Grevee, Lydia Santellc, Yu-Wen Zhangf, Yanli Suf, Dafna W. Kaufmanf, Karen L. Billecig, Elaine Maih, Barbara Moffatg,7, Amy Limi, Eileen T. Duenasi, Heidi S. Phillipsa, Hong Xiangj, Judy C. Youngh, George F. Vande Woudef, Mark S. Dennisd, Dorothea E. Reillyk, Ralph H. Schwalla,8, Melissa A. Starovasnikb, Robert A. Lazarusc, and Daniel G. Yansurad Departments of aTranslational Oncology, bStructural Biology, cEarly d e Discovery Biochemistry, Antibody Engineering, Biomedical Imaging, fi gProtein Chemistry, hBiochemical and Cellular Pharmacology, iPurification Signi cance Development, jPharmacokinetic and Pharmacodynamic Sciences, and kEarly Stage Cell Culture, Genentech, Inc., South San Francisco, CA 94080; and Therapeutic antibodies have revolutionized the treatment of hu- fLaboratory of Molecular Oncology, Van Andel Research Institute, Grand Rapids, MI 49503 man disease. Despite these advances, antibody bivalency limits their utility against some targets. Here, we describe the de- Edited by Richard A. Lerner, The Scripps Research Institute, La Jolla, CA, and velopment of a one-armed (monovalent) antibody, onartuzumab, approved June 3, 2013 (received for review February 15, 2013) targeting the receptor tyrosine kinase MET. While initial screening Binding of hepatocyte growth factor (HGF) to the receptor tyrosine of bivalent antibodies produced agonists of MET, engineering kinase MET is implicated in the malignant process of multiple can- them into monovalent antibodies produced antagonists instead.