Blog | HemaCare

Minimizing Risk from the Start: HemaCare Publication Spotlights Starting Material Logistics

May 14, 2019 9:21:09 AM / by Nancy Andon, MSc posted in gene therapy, cell therapy, quality control, cell therapy starting material

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As the industry and regulatory landscape continues to evolve, it’s vital that as an industry, we take a lifecycle approach to risk management –to ensure that we mitigate as much risk as possible all the way from discovery through to commercialization.” - Dr. Dominic Clarke, Global Head of Cell Therapy, HemaCare

Cell and Gene Therapy Insights has just published HemaCare’s white paper on how to manage starting material quality and stability to maximum effect during cell therapy manufacturing. [1] Quality cell therapies can only be created from quality starting materials, yet paradoxically, starting materials are the single greatest source of variability in the cell therapy manufacturing process. Mitigating risk requires minimizing that variability, and also managing shelf-life limitations and biopreservation logistics.

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HemaCare Leukopaks Support Novel Gene Editing Strategy

May 7, 2019 10:07:00 AM / by Nancy Andon, MSc posted in leukopaks, gene editing, hematopoietic stem cells

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In an independent publication [1] researchers at UCLA cited using leukopaks obtained from HemaCare in order to investigate a new gene editing method.

The group is researching strategies to treat genetic blood disorders such as sickle cell anemia. While there has been a great deal of research focused on using CRISPR/Cas9 gene therapy to treat these illnesses [2], current strategies for gene editing in hematopoietic stem cells are inefficient, and thus costly.

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HemaCare Leukopaks Aid T Cell Cryopreservation Study

Apr 30, 2019 10:00:00 AM / by Nancy Andon, MSc posted in leukopaks, cell therapy, cell therapy starting material

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An independent publication in Nature: Scientific Reports cites using fresh leukopaks sourced from HemaCare in their T cell cryopreservation study. The authors, who work at the Cell and Gene Therapy Catapult in London, are studying the impact of cooling and thawing rates on cryopreserved human peripheral blood-derived T cells. In order for the emerging cell and gene therapy industry to effectively ship and store cell-based therapies to global markets, it will be necessary to cryopreserve cell therapy starting materials, as well as the final therapeutic products. To retain peak cellular function, and therefore therapeutic efficacy upon patient administration, it is necessary to understand how to optimize the cryopreservation process.

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Improving Immune Checkpoint Therapy for Melanoma

Apr 23, 2019 10:07:00 AM / by Stacy Matthews Branch, DVM, PhD posted in cytotoxic T cells, immunotherapy, T cells

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Melanoma is the most serious form of skin cancer and more likely to grow and metastasize. It has a high response rate to checkpoint inhibitor therapy compared to other cancers; however, about 60% of patients treated do not respond well or relapse. Immune checkpoints are proteins expressed on T cells and function to ensure self-tolerance, but they are also used by tumor cells to limit anti-tumor immune function.

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The Connection Between Dendritic Cells and Anaphylaxis

Apr 16, 2019 10:12:00 AM / by Stacy Matthews Branch, DVM, PhD posted in Dendritic cells, food allergy

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Anaphylaxis is a severe allergic response characterized by the development of hives, swelling, and dramatic drops in blood pressure. It is estimated that 1,500 people in the United States die yearly from anaphylaxis. A plethora of substances can elicit allergic reactions, and the exact allergen is often unknown. What is known is that an allergen binds to IgE found on mast cells, and this leads to the release of inflammatory mediators such as histamine, the substances responsible for the allergic response. Mast cells are found in tissue, yet can respond to allergens in the blood via a mechanism that is not well understood.

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