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Articles on T cell exhaustion

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This microscopy image shows a cytotoxic T cell (blue) attacking a cancer cell (green) by releasing toxic chemicals (red). Alex Ritter and Jennifer Lippincott Schwartz and Gillian Griffiths/National Institutes of Health via Flickr

Immune cells that fight cancer become exhausted within hours of first encountering tumors – new research

T cells recognize and kill cancer cells but quickly lose their effectiveness. This fast dysfunction may help explain why immunotherapy doesn’t lead to long-term remission for many patients.
Immunosenescence, or immune aging, can lead to less effective responses to vaccines and greater vulnerability to invading pathogens. Kudryavtsev Pavel/iStock via Getty Images Plus

Social stress can speed up immune system aging – new research

While the immune system naturally gets weaker with age, social stressors like trauma and discrimination can hasten immunosenescence.
The estimated lifetime costs of antiretroviral therapy for someone who acquires HIV at age 35 is $358,380. YakubovAlim/iStock via Getty Images Plus

Combining an HIV vaccine with immunotherapy may reduce the need for daily medication

People with HIV need to take daily medication to keep the virus at bay. A study has found that a new treatment combination could boost immunity and control virus levels even after stopping medication.

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