Researchers at Umeå University, Sweden, have discovered a previously unknown type of connective tissue cells that surround cancer cells in pancreatic tumors. The newly discovered cells counteract tumor development and may therefore be a target for research into new treatments for pancreatic cancer, which is one of the deadliest forms of cancer.

One of the challenges of fighting pancreatic cancer is finding ways to penetrate the organ’s dense tissue to define the margins between malignant and normal tissue. A new study uses DNA origami structures to selectively deliver fluorescent imaging agents to pancreatic cancer cells without affecting normal cells. The study, led by University of Illinois Urbana-Champaign mechanical science and engineering professor Bumsoo Han and professor Jong Hyun Choi at Purdue University, found that specially engineered DNA origami structures carrying imaging dye packets can specifically target human KRAS mutant cancer cells, which are present in 95% of pancreatic cancer cases.

The Board of Trustees of the Josep Carreras Leukaemia Research Institute has approved the appointment of Dr Ari Melnick as the new Director of the centre. Dr Melnick will take on the leadership of the Institute, which focuses on leukaemia and other haematological malignancies research.