Blog | HemaCare

HemaCare Starting Material Plays Key Role in Dendritic Cell Assay Development

Mar 2, 2021 10:04:00 AM / by Nancy Andon, MSc posted in Dendritic Cells, PBMCs

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Pharmaceutical giant Pfizer cite the use of HemaCare starting materials in the development of a new immune cell validation assay. [1]

The new assay is designed to measure dendritic cell activation as a predictor of immunogenicity, so that scientists can assess risk early in the development of new pharmaceuticals. Low immunogenicity points toward a better overall safety profile.

Dendritic cells (DC) are antigen-presenting cells, involved in the initiation and regulation of the immune response. Since DC are tumor-infiltrating cells central to the initiation of antigen-specific immunity, they have long been investigated as a means of improving cancer immunotherapy.

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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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Atopic Dermatitis More Severe for African Americans

Mar 5, 2019 10:10:00 AM / by Stacy Matthews Branch, DVM, PhD posted in Dendritic Cells

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Research efforts across different disciplines are beginning to uncover biological factors that underlie racial differences in health status and disease severity. One common condition with a prevalence of 7.3 percent among U.S. adults is atopic dermatitis. In terms of prevalence and disease severity, African Americans are disproportionately affected when compared to European Americans.

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Combat Viral and Bacterial Infections with Targeted Immune Cells

Feb 26, 2019 10:02:00 AM / by Stacy Matthews Branch, DVM, PhD posted in Dendritic Cells, immune system, immune cells

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Dendritic cell molecules within the body’s immune system can be modified to improve our ability to combat viral and bacterial infections. 

The body’s immune system is designed to protect it from invading organisms and other pathogens. However, the immune system alone may not always be able to combat viral and bacterial infections, and antimicrobial therapies are implemented. A different approach would be to manipulate or affect immune system cells to control infections. Researchers at the Scripps Research Institute, La Jolla, CA have discovered that immune system molecules exist that can make people more vulnerable to bacterial infections, and that modifying expression or function of these immune molecules can enhance resistance to detrimental bacterial infections.

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Cell Interactions for Immunotherapy and More

Feb 12, 2019 10:15:00 AM / by Stacy Matthews Branch, DVM, PhD posted in Dendritic Cells, T Cells, Immunotherapy (Immunology)

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“Kiss-and-run” approach helps researchers observe interaction between dendritic cells and T cells.

The normal biological processes needed for living beings to develop, grow, and function involve interactions between a diversity of cell types. Targeting these cellular interactions can enhance current cell-based immunotherapy and regenerative medicine, as well as provide the basis for new ones. Studying the mechanisms of these interactions is necessary in order to understand the means by which they affect cell signaling, immunity, growth and development, and more.

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