Biocytogen | July 21, 2022
Biocytogen Pharmaceuticals Co., Ltd. entered a strategic collaboration with LiberoThera Co., Ltd to co-develop fully human GPCR antibodies using Biocytogen’s advanced antibody discovery platform based on fully human antibody RenMabTM mice combined with LiberoThera’s outstanding membrane antigen preparation technology. In around a year since the collaboration was established, the two parties have screened out a number of fully human therapeutic antibody clones with excellent anti-tumor activity in vitro and in vivo against the first mutually selected GPCR target, CCR8, which has the potential to become a best-in-class product. These antibody clones exhibit high affinity binding to human CCR8 with species cross-reactivity and good manufacturability. Mechanistically, these clones can deplete Tregs from the tumor micro-environment through enhanced ADCC activity, and can also inhibit the activities of Tregs in the tumor micro-environment by inhibiting CCR8 signaling mediated by its ligand CCL1, thereby enhancing the anti-tumor immune response. In the future, the collaborations between two parties will also be extended to other GPCR targets.
GPCRs are seven-transmembrane proteins with short extracellular domains and high homology among them which make it difficult to find antibodies against them with high specificity and desired functions. However, both the success rate and the speed of GPCR antibody discovery have greatly increased by combining Biocytogen’s target knocked-out fully human antibody mice RenMab KO, various immunization and antibody discovery technologies, high-throughput in vitro and in vivo screening platform and LiberoThera’s deep understanding of GPCR target structures plus membrane antigen preparation technologies.
“We are very pleased that with the joint efforts of us and LiberoThera, the drug development of CCR8, a potential target for tumor immunotherapy, is progressing smoothly. This undoubtedly validates that LiberoThera's advanced antigen preparation technology synergizes with our RenMice KO platform to generate diverse fully human antibodies. Furthermore, our high-throughput in vivo and in vitro screening capabilities ensured that antibodies against GPCRs can be efficiently obtained. We look forward to advancing our CCR8 antibodies into the clinic soon and we also look forward to continue working with LiberoThera to tackle more GPCR targets.”
Dr. Yuelei Shen, Founder, Chairman and CEO of Biocytogen
“Many GPCRs are important drug targets for a variety of indications. However, due to the special structure of such targets, the development of antibody drugs against them has always been challenging,” said Dr. Toru Kanke, CEO of LiberoThera. “The structural GPCR antigens prepared with LiberoThera’s proprietary cell-free membrane synthesis technologies together with non-natural amino acid incorporation methods can provide a solution for generating quality antibodies against the challenging targets. Biocytogen’s streamlined fully human antibody development platform greatly accelerates the translation of GPCR research. We are very happy to see the rapid progress and discovery of the best-in-class therapeutic antibodies against CCR8 under the collaboration of both parties. We also look forward to the collaborations in the future with Biocytogen to work on more GPCR targets so that to benefit more patients around the world.”
Biocytogen Pharmaceuticals Co., Ltd. is a global biotechnology company that drives the research and development of novel antibody-based drugs with innovative technologies. Using its proprietary RenMabTM /RenLite® mice platforms for fully human monoclonal and bispecific antibody development, Biocytogen has integrated its in vivo drug efficacy screening platforms and strong clinical development expertise to streamline the entire drug development process. Biocytogen is undertaking a large-scale project to develop antibody drugs for more than 1000 targets, known as Project Integrum, and has entered ongoing collaborations with dozens of partners worldwide to produce a variety of first-in-class and/or best-in-class antibody drugs. At present, many GPCR projects from Project Integrum are under development that are important for treating cancer, metabolic diseases and beyond. In the future, Project Integrum will continue producing more fully human antibodies against GPCRs and other difficult targets. Biocytogen wishes to collaborate with partners around the world to discover, develop and deliver new medicines through innovative technologies that benefit human health. The company's pipeline includes 12 core products, among which two products are in phase II multi-regional clinical trials and two products are in phase I. Headquartered in Beijing, Biocytogen has branches in Haimen Jiangsu, Shanghai, Boston, USA and Heidelberg, Germany.
LiberoThera is a drug discovery company targeting membrane proteins including GPCRs. Founded on the revolutionary research by Prof. Shigeyuki Yokoyama, Emeritus Professor at The University of Tokyo and Distinguished Senior Scientist at RIKEN, LiberoThera utilizes its cutting-edge cell-free protein expression system and non-natural amino acid technology which enable complexed membrane proteins to be prepared in natural forms with structural and functional integrity. LiberoThera is developing novel therapeutic candidates targeting physiologically important membrane proteins, such as GPCRs, in collaboration with multiple partners.
GRAIL | June 06, 2022
GRAIL, LLC, a healthcare company whose mission is to detect cancer early when it can be cured, today announced a broad strategic collaboration with AstraZeneca (LSE/STO/Nasdaq: AZN) to develop and commercialize companion diagnostic (CDx) assays for use with AstraZeneca’s therapies. The collaboration will initially focus on developing companion diagnostic tests to identify patients with high-risk, early-stage disease, with plans to embark on numerous studies across multiple indications over the next several years. The parties are additionally planning to use GRAIL’s technology to enable recruitment of patients with early-stage cancer for AstraZeneca’s clinical studies.
GRAIL has developed a novel approach to detect cancer signals in blood, regardless of whether or not the patient has clinical symptoms. We are excited to embark on this work with AstraZeneca to transform cancer outcomes through a broad, strategic collaboration, Through our collaboration, we hope to provide critical information to improve the identification of patients who may be eligible for clinical trials and change clinical paradigms for the treatment of early-stage cancers."
Sir Harpal Kumar, President, Biopharma Business and Europe at GRAIL.
Across the projects within this collaboration, GRAIL will use its methylation platform to perform testing for patients enrolled in AstraZeneca’s clinical trials. GRAIL will seek regulatory approval in key markets for the liquid biopsy companion diagnostics.
Identifying and treating cancer early is at the heart of this strategic collaboration. Combining GRAIL’s innovative blood-based methylation profiling platform with AstraZeneca’s leadership in Oncology, we hope to accelerate the adoption of circulating tumor DNA across clinical trials and make our cancer medicines available at an earlier stage of disease when there is greater potential to transform patient outcomes, and even cure.”
Susan Galbraith, Executive Vice President of Oncology R&D, AstraZeneca.
GRAIL is developing its proprietary methylation platform for use in multiple post-diagnostic settings to identify patients at high risk of future cancer recurrence, detect the presence or absence of residual disease, and to inform treatment decisions, including identifying patients with cancer who may be eligible for neoadjuvant or adjuvant therapy. GRAIL’s technology platform is designed to optimize circulating tumor DNA testing to enable detection of early stage disease and minimal residual disease (MRD).
GRAIL is a healthcare company whose mission is to detect cancer early, when it can be cured. GRAIL is focused on alleviating the global burden of cancer by developing pioneering technology to detect and identify multiple deadly cancer types early. The company is using the power of next-generation sequencing, population-scale clinical studies, and state-of-the-art computer science and data science to enhance the scientific understanding of cancer biology, and to develop its multi-cancer early detection blood test. GRAIL is headquartered in Menlo Park, CA with locations in Washington, D.C., North Carolina, and the United Kingdom. GRAIL, LLC, is a subsidiary of Illumina, Inc. (NASDAQ:ILMN) currently held separate from Illumina Inc. under the terms of the Interim Measures Order of the European Commission dated 29 October 2021.
Meridian | June 21, 2022
Meridian Bioscience, Inc. (NASDAQ: VIVO), a leading global provider of diagnostic testing solutions and life science raw materials, announced today two new sample-specific master mixes, Lyo-Ready™ Direct DNA qPCR Stool Mix, and Lyo-Ready™ Direct RNA/DNA qPCR Stool Mix. These innovative master mixes improve the molecular detection of DNA and RNA from crude fecal specimens while allowing room temperature stabilization of diagnostic assays.
Stool samples are used in many gastrointestinal diagnostic tests to screen for harmful bacteria, fungi, viruses, autoimmune conditions, and colorectal cancer (CRC). The fecal occult blood test (FOBT) has been the most widely used gastrointestinal immunoassay to screen CRC for over three decades. However, recent large-scale studies have shown that the FOBT lacks the sensitivity to detect early stages of CRC. Better diagnostic tools are needed to improve assay accuracy, sensitivity, and affordability. Molecular testing is the newest alternative and offers significant improvement in sensitivity and accuracy, especially when multiple targets are detected in the results of a multiplex test. Detection of DNA or RNA from stool is challenging because it contains an array of PCR inhibitors including bile salts, polysaccharides, and catabolic substances. To overcome these challenges, assays typically require expensive and time-consuming sample processing and extraction steps which increase the time to results and cost – ultimately delaying physician diagnosis and patient treatment.
Meridian's new Lyo-Ready™ Direct DNA qPCR Stool and Lyo-Ready™ Direct RNA/DNA qPCR Stool Mixes remove the need for time-consuming nucleic acid extraction or lengthy component optimization. This enables test developers to quickly develop faster and more sensitive assays for stool sample analysis. In addition, the mixes can be used in liquid or lyophilized format when ambient temperature assay stabilization is needed, removing the need for cold storage.
The use of Lyo-Ready™ Direct qPCR Stool mixes for DNA and RNA is ideal for cancer biomarker detection, early cancer detection, and cancer treatment monitoring where assay sensitivity can be lifesaving. The specific adaptation of our chemistries to stool specimens makes our master mixes the perfect tool for any developer seeking faster new product introduction, shorter time to results, or the ability to transform a wet assay to an ambient temperature-stable assay with minimum developmental time."
Florent Chang-Pi-Hin, Ph.D., Vice President of Research & Development - Life Science.
About Meridian Bioscience, Inc.
Meridian is a fully integrated life science company that develops, manufactures, markets, and distributes a broad range of innovative diagnostic products. We are dedicated to developing and delivering better solutions that give answers with speed, accuracy, and simplicity that are redefining the possibilities of life from discovery to diagnosis. Through discovery and development, we provide critical life science raw materials used in immunological and molecular tests for human, animal, plant, and environmental applications. Through diagnosis, we provide diagnostic solutions in areas including gastrointestinal and upper respiratory infections and blood lead level testing. We build relationships and provide solutions to hospitals, reference laboratories, research centers, veterinary testing centers, physician offices, diagnostics manufacturers, and biotech companies in more than 70 countries around the world.