Abstract:
:While chemotherapy is an important and widely used therapeutic for cancer, it may facilitate cancer metastasis. Herein, we report that human lung cancer cells exert higher invasion and metastasis after chemotherapy. In a human lung cancer xenograft model, chemotherapy promotes the cancer invasion and metastasis in HMGB1-dependent manner. Further studies identify HMGB1-containing nucleosome from chemotherapy-induced apoptotic cancer cells as an effective factor. Such nucleosome functions through TLR4 and TLR9 to drive cancer invasion and metastasis. In lung cancer patients, circulating HMGB1-containing nucleosome is higher in those under chemotherapy, predicting poorly cancer cell differentiation state, enhanced cancer invasion and advanced TNM stages. These findings provide a novel mechanism by which the tumor metastasis is propagated in lung cancer patients, especially in those under chemotherapy, and a clue for developing therapeutic strategies against chemotherapy-induced metastasis.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Wang K,Shan S,Wang S,Gu X,Zhou X,Ren Tdoi
10.1016/j.bbrc.2018.04.150subject
Has Abstractpub_date
2018-06-07 00:00:00pages
758-764issue
3eissn
0006-291Xissn
1090-2104pii
S0006-291X(18)30931-8journal_volume
500pub_type
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