Scientists have identified key changes in immune cells within cancerous tumours that could help improve the development of treatments.
\nThe study also found a set of genes that are expressed at high levels in breast cancer tumours and linked to more aggressive cancer types.
\nResearchers say the discoveries offer clues to diagnosis and predicting patient survival and reveal significant insights into how tumours behave in common cancers.
\nImmune cells normally help the body stay healthy by warding off pathogens such as viruses and bacteria. However, sometimes immune cells can wrongly identify cancer tissue as healthy tissue, aiding the spread of tumours.
\nResearchers therefore focused on the role of immune cells in endometrium and breast cancers.
Until now, little was known about how these cells behave in human cancer, making them difficult to spot and target.
\nThey found differences in white blood cells known as monocytes present in the blood of breast and endometrial cancer patients compared with those in healthy individuals.
The discovery could accelerate the development of biomarkers to detect cancer and track how patients respond to treatment.
\nThe researchers also identified 37 genes that were highly expressed in breast cancer tumour immune cells \u2013 known as tumour-associated macrophages (TAMs) \u2013 compared with healthy tissue.
This genetic signature is particularly strong in aggressive cancers, including triple negative breast cancer, which is notoriously difficult to treat.
\nIt is also linked to shorter survival in patients, suggesting that it could be used to improve the accuracy of breast cancer prognosis.
\nThe scientists used this discovery to identify specific genes within the signature that could be targeted with future treatments. They honed in on two genes \u2013 SIGLEC1 and CCL8 \u2013 which were found to be linked to patient survival.
\nUniversity of Edinburgh\nhttps:\/\/tinyurl.com\/y3u4xyt2<\/link>\n","protected":false},"excerpt":{"rendered":"
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