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Children’s Hospital of Philadelphia Researchers Unveil Key Mechanism in Immune System’s Fight Against Disease

Researchers at Children’s Hospital of Philadelphia (CHOP) and the Perelman School of Medicine at the University of Pennsylvania unlocked important new insights in how the immune system selects the right signals to alert T cells, a vital step in the prevention and treatment of serious illness. The findings were published in the journal Proceedings of the National Academy of Sciences (PNAS).

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Vaccine News & Notes — January 2025

A report estimates that vaccines were directly responsible for a 40% decrease in infant deaths over the last 50 years. Find out more. You'll also learn about the rates of long COVID and about antibiotic-resistant bacteria in Ukraine.

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Children’s Hospital of Philadelphia Researchers Develop New Tool with Potential to Advance Precision Medicine Treatment for Cancer

Researchers at Children’s Hospital of Philadelphia (CHOP) and the Perelman School of Medicine at the University of Pennsylvania developed a new screening technology, Aptamer-based T Lymphocyte Activity Screening and SEQuencing (ATLAS-seq), to better identify antigen-reactive T cells that are more likely to offer greater immune responses against cancer cells.

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First of Its Kind Gene Therapy Model Offers Hope for X-Linked Sideroblastic Anemia Treatment

Researchers at Children’s Hospital of Philadelphia (CHOP) and the University of Pennsylvania Perelman School of Medicine pioneered a first of its kind gene therapy model that offers a potential breakthrough in treating X-linked sideroblastic anemia (XLSA), a rare congenital anemia caused by mutations in the ALAS2 gene crucial for the synthesis of heme, a key compound in hemoglobin. This study marks the first time researchers studied gene therapy to treat this disease, which the authors underscore could have an impact on a broad spectrum of diseases. The research was published today and featured on the cover of the journal Blood.

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