Christchurch has breast cancer research hub

Guest post by: Kim Thomas, Communications Manager at the University of Otago, Christchurch

Research Radar UOC

A team of specialist cancer researchers have joined forces to focus on the impact of obesity on breast cancer.

The researchers all work at the University of Otago, Christchurch’s Mackenzie Cancer Research Group. The Group is headed by Canterbury District Health Board oncologist Professor Bridget Robinson, a breast cancer expert.

Researchers Associate Professor Gabi Dachs, Dr Margaret Currie and Dr Logan Walker have previously investigated various aspects of cancer but decided to team up and focus on the significant health issue of obesity.

Associate Professor Dachs says that international studies have shown breast cancer patients who were obese before or after diagnosis are less likely to survive than patients with normal BMI. Risk of dying from breast cancer increases by a third for every increment of 5kg/m2 in BMI.

autumn15obesity

From left to right: A/Prof Gabi Dachs, Dr Margaret Currie, Dr Logan Walker

The three researchers are investigating different aspects of obesity and breast cancer:

  • Associate Professor Dachs is looking at molecular factors associated with obesity in cancer, particularly how fat cells communicate with cancer cells and negatively affect them.
  • Dr Margaret Currie is putting fat and breast cancer cells together to see how the fat cells make tumours more resistant to treatment. She suspects the fat cells provide ‘an extra energy hit’ to cancer cells by providing lipids, or fats, in addition to glucose.
  • Geneticist Dr Logan Walker will investigate whether the obesity-related gene responsible for the amylase enzyme in saliva (AMY1) contributes to breast cancer development. He will also explore the role of key genes that behave differently in breast tumours from obese women.

The researchers’ work is funded by the NZ Breast Cancer Foundation, the Cancer Society of New Zealand, the Canterbury and West Coast Division of the Cancer Society NZ, the Mackenzie Charitable Foundation and the University of Otago.

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