Discover therapeutic aptamers for VEGF165 and EGFR by high-fidelity pentamer condon set Dehui Kong, Department of Chemistry, University of Georgia Introduction Aptamers are ssDNA or RNA oligonucleotides with very high affinity for their target. They bind to their target with high selectivity and specificity because of their well-defined tertiary structures. Researchers speculate that aptamers have the potential to replace antibodies as high-affinity reagents in medical diagnostics and therapy. SELEX (Systematic evolution of ligands by exponential enrichment) is often used in evolve aptamers for various molecular targets[1]. The concept of using aptamers as therapeutic agents was first envisioned in the 1990s[2], with recent advances enabling their translation into the clinic[3]. In 2005, the first aptamer therapeutic was approved by the FDA to treat the wet form of age-related macular degeneration[4]. Aptamers have impressive advantages over antibodies[5]: (i) the in vitro selection process does not require the use of animals or cell culture which enables toxic or non-immunogenic targets aptamer selection;(ii) their generation through in vitro selection enables ready tuning of binding and specificity properties; (iii) their active structure can be reversibly formed by thermal denaturation and cooling; (iv) they exhibit excellent chemical stability and shelf-life; (v) their chemical synthesis is predictable and scalable. Fig.1 Antibody/Aptamer- protein
Case Study Assignment: RNA interference: what advances have been made in the last decade? Name: Ronghua Wei CID: 00740579 Supervisors:Professor Kurt Drikamer, Dr. Maureen Taylor MRes in Drug Discovery and Development (2015-2016) 1 Content Abstract.............................................................................................................................................. 3 Introduction ..................................................................................................................................... 3 Machinery.......................................................................................................................................... 4 Challenges ......................................................................................................................................... 8 Delivery ...................................................................................................................................................................
If you or your loved one has a cancer diagnosis, you want to find the best treatment possible. Understandably, this can be overwhelming. The good news is treatments and technologies advance quickly. When researching treatment options, you'll want the most accurate and recent knowledge. To help, we've compiled information about the latest cancer treatments in greater Baltimore so you can make informed decisions and find the expert care you and your family deserve.
Step 3: What protein will be your drug target? What property of that protein will you target? Design an assay/approach to identify an antidote for “degron”. (4 pts.)
AACR is a scientific association of over 17,000 laboratory and clinical cancer researchers. It was founded in 1907 by 11 physicians and scientists. The mission of the American Association for Cancer Research is to prevent and cure cancer through research, education, communication, and collaboration. Through its programs and services, the AACR fosters research in cancer and related biomedical science; accelerates the dissemination of new research findings among scientists and others dedicated to the conquest of cancer; promotes science education and training; and advances the understanding of cancer etiology, prevention, diagnosis, and treatment throughout the world.
As part of the Ludwig Center, I have had the opportunity to develop my own project for improved combination therapy with the targeted therapy Olaparib. Although inhibition of poly-ADP-ribose polymerases (PARPs) has demonstrated significant success in the treatment of
Since the early 1900’s scientists and doctors have been scrambling to obtain the knowledge of how to cure and prevent degenerative diseases. Since these illnesses are currently the fifth-highest cause of death in the United States (State of Aging and Health in America, 2016), it has become imperative to find a cure. However, there are many
Treatments have traditionally been target at specific symptoms that are present. Mexilentine has been shown to be effective in treating myotonia in patients with DM1 and is well tolerated with no serious complications(Logigian, Martens et al. 2010). Implantation of a pacemaker in patients with HV interval > 70 ms even when asymptomatics seems to be protective against sudden death due to arrthymia such as atrioventricular block(Lazarus, Varin et al. 2002). The cure for DM1 ultimately lies in targeting the underlying molecular causes. Antisense oligonucleatide have been synthesized against the mutant DMPK allele. PS58, a 2’-O-methyl phosphorothioate modified (CAG) 7 oligo has been shown to be effective in selectively reducing the level of the expanded CTG DMPK allele (with little effect on the normal allele) in vitro in myocytes derived from DM1 patients and in vivo in DM1 model mice(Mulders, van den Broek et al. 2009). The further development of these ASO to eventual clinical trials will hopefully lead to cure for
Design: This was a Phase 1 trial to determine the MTD of ceritinib in adult patients with tumors harboring a genetic alteration in ALK. Secondary objectives were to characterize the safety and side-effect profile, pharmacokinetic profile, and antitumor activity of ceritinib.
In personalized medicine, advances in protein biology is not limited to preventive care. Advances can aid in curing diseases past development; the drug Kalydeco is proof of that. Through improvements in protein biology, scientist created the first drug addressing
Soon this idea began to be tested in laboratories, but being this was related to subject of bioengineering, different viewpoints arose very quickly. The subject of bioengineering composes of multiple views concerning particularly the cost and accessibility to bioengineering of these drugs and if the effort put in would equal the benefits. When looking at this it is evident that much more research and testing would need to be put in this field before true consideration for use in the pharmaceutical world. From there it is critical that a standard must be set for the production of all enzymes used in this process, making sure they are produced in abundance to ensure stability. Concerning the cost it is evident that production of this drug through chemoenzymatic means compares similarly to that of through pig intestines. Moreover the more steadfast way of producing heparin through chinese hamster ovary cells (CHOs) would most likely greatly exceed production through pig intestines. This would make CHOs used more in designer Heparin doses (Vaidyanathan, 2017). Other methods show some progress as well but they unfortunately present numerous challenges most likely impossible to
Second generation Antibody-drug conjugate consider as a new approach for treatments of TNBC. The main idea is to use an antibody and cytotoxic agents together to produce a synergistic effect and to ensure delivery of the cytotoxic agent to the target cell (6) Our main goal in this research is to develop a novel antibody based therapy against LRP8. We hypothesis that an anti-LRP8 antibody conjugated to cytotoxic drug will lead toward effective therapy for TNBC. We will perform experiments using flow cytometry and confocal microscopy to prove that LRP8 is suitable ADC target. Two main factors will contribute to whether it is suitable target:
(2015). Immunosuppressive nano-therapeutic micelles downregulate endothelial cell inflammation and immunogenicity. The Royal Society of Chemistry 2015, 5, 43552-43562.
There are currently no widely accepted, precise clinical guidelines regarding the management of cnv during the pregnancy but actually there are no safety data of the use of anti-VEGF injection during the pregnancy althought, out-side the pregnancy, the use of anti-VEGF has proven helpful and safety .Then anti-VEGF injection is an off-label therapy for diseases that may affect pregnant women because these drugs may cause systemic side effect in the mother and fetal
We have selected different hPodxl mutants to generate (Figure 5). 1) PodxlDTHL: Podxl mutant lacking the C-terminal PDZ docking site, the docking site for NHERF1/2. This mutant will allow us to determine whether or not the ability to bind NHERF1/2 is critical for tumor progression. 2) PodxlTail, lacking all but three aminoacids of the cytoplasmic tail and, therefore, eliminating all intracellular binding (ezrin, NHERF1/2 and other potential unknown ligands). 3) PodxlEC missing the whole extracellular domain, allowing us to account for the lack of the highly negatively charged glycosylated portion as well as the stalk domain.
VOYAGER THERAPEUTICS, INC. is a growing Clinical stage Gene Therapy Company. The main focus of this company is based on developing life changing treatments for patients suffering from various types of disease associated with central nervous system or CNS. The gene therapy is called AAV or adeno-associated virus, which is a therapeutic approach to alter the expression of a specific protein, thereby reducing the symptom experienced by patients, and that, will have a clinically meaningful impact on the patient’s life. The company has created a product engine to engineer, optimize manufacture and deliver AAV based gene therapy which would have a sustainable efficacy that follows a single administration directly to the CNS. The product engine has launched a program to address the underlying cause or the predominant manifestation of CNS disease which includes five most common CNS indications; Parkinson’s disease, Friedreich 's ataxia, Huntington 's disease, spinal muscular atrophy, and Multiple, sclerosis.