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HemaCare Leukopaks Used for Production of Allogeneic CAR T cells

May 28, 2019 10:04:00 AM / by Nancy Andon, MSc posted in Leukopak, CAR-T, allogeneic

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A study out of Research Triangle Park, North Carolina [1] cites using HemaCare leukopaks as the starting material for new research on allogeneic CAR T cells.  

As most people know, the cancer fighting technique known as CAR T cell therapy has been getting a lot of attention these days, due to some remarkably positive clinical trial results. Two different versions of CAR T therapy have now earned FDA approval, so it seems that this type of therapy will inevitably be expanded to meet the needs of a considerably wider patient population. There’s a fairly large obstacle standing in the way of this expectation, however. Most clinical trials to date have been based on CAR T cell treatment as an autologous therapy, with the starting materials coming straight from the patients themselves. The problem with this autologous model is that it’s difficult to implement on a commercial scale, due to the limited availability of starting material.

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HemaCare Leukopaks Support Novel Gene Editing Strategy

May 7, 2019 10:07:00 AM / by Nancy Andon, MSc posted in Leukopak, Stem Cells, Blood Disorders

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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 Leukopak, CAR-T, Cell Therapy, Cryopreservation, T Cells

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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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HemaCare Leukopaks Employed for Development of Bi-Specific Antibodies for Cancer Immunotherapy

Mar 26, 2019 10:09:00 AM / by Nancy Andon, MSc posted in Leukopak, Cancer, Cytotoxic T Cells, T Cells

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Scientists at antibody engineering company Xencor in Monrovia, CA have just published a research paper that cites using HemaCare sourced leukopaks in the development of their new antibody platform. 

Monoclonal antibody therapy has become central to the treatment of many different diseases, including autoimmune disorders, asthma and cancer. Yet in spite of this success, many disease targets have yet to be effectively addressed. Monoclonal antibodies have trouble binding to antigens that are weakly expressed, which results in a need for higher dosing concentrations. High treatment dosages, in turn, can lead to toxicity effects. Monoclonals are also limited in that they can only block one target at a time, leaving parallel disease pathways open that can lead to treatment resistance.

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HIV Cell Therapy in Development

Oct 8, 2018 10:13:00 AM / by Stacy Matthews Branch, DVM, PhD posted in Leukopak, T Cells, Infectious Disease

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Combining various treatment approaches is seen as a viable, more powerful means to achieve HIV cure states.

From the time that HIV-related illness and death was first realized in the 1980s until now, efforts to fully understand HIV infection and pathogenesis have been ongoing along with massive research efforts to discover a cure or means to control the spread of the virus. The newest antiviral therapies have made an extraordinary impact on the control of disease progression; however, these do not cure HIV infection and the viral activity returns shortly after antiviral dosing stops. Approaches to achieve HIV immunity are heavily studied, including developing means to provide HIV immunity in T cells and conferring HIV-resistance via gene editing. However, combining various approaches is seen as a viable, more powerful means to achieve HIV control or even a cure.

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