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Bacteria May Aid Anti-Cancer Immune Response

Bacteria May Aid Anti-Cancer Immune Response
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Study sheds new light on immune system interactions with cancer

Study sheds new light on immune system interactions with cancer Cancers like melanoma are hard to treat, not least because they have a varied bag of tricks for defeating or evading treatments. A combined research effort by scientists at the Weizmann Institute of Science and researchers in the Netherlands Cancer Institute in Amsterdam and the University of Oslo, Norway, shows exactly how tumors, in their battles to survive, will go so far as to starve themselves in order to keep the immune cells that would eradicate them from functioning. The immunotherapies currently administered for melanomas work by removing obstacles that keep immune cells called T cells from identifying and killing tumor cells. Recent research suggested that in melanoma, another blocker could assist the T cells - this one to stop an enzyme called IDO1 that is overproduced by the cancer cells.

How cancers hurt themselves to hurt immune cells more

 E-Mail IMAGE: Ribosomes (large, dark circles) working their way down a strand of mRNA. Proteins are forming to the top and bottom. Amino acid scarcity results in ribosome logjams view more  Credit: the Weizmann Institute of Science Cancers like melanoma are hard to treat, not least because they have a varied bag of tricks for defeating or evading treatments. A combined research effort by scientists at the Weizmann Institute of Science and researchers in the Netherlands Cancer Institute in Amsterdam and the University of Oslo, Norway, shows exactly how tumors, in their battles to survive, will go so far as to starve themselves in order to keep the immune cells that would eradicate them from functioning.

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