DEPARTMENT FOR BUSINESS, ENERGY & INDUSTRIAL STRATEGY

OPTIMISE: Optimal preconception nutrition to offset inflammation and non-communicable disease risk in pregnant women and their children

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Description

Non-communicable diseases (NCDs) such as heart disease and diabetes rapidly increasing in low- and middle-income countries (LMICs). These diseases are occurring at younger ages in LMICs compared with high-income countries with accompanying economic and societal costs. Between 1980 and 2014, the prevalence of diabetes doubled in sub-Saharan Africa, India and China and is now higher there than in many high-income countries. There are now ~166 million people with diabetes in India and China alone (40% of the world's total). Current approaches to preventing diabetes or heart disease focus on weight reduction and increased physical activity in middle-aged adults with existing risk factors such as obesity or high blood pressure. While such approaches offer some benefit to the individual, they do little to address the risk in future generations. Research from many countries across the world has shown that low birth weight and poor growth of the fetus in the womb is related to an increased risk of developing diabetes and heart disease in later life. These effects are exacerbated by greater weight gain during childhood, adolescence or adulthood. With rapid socio-economic transition, LMICs are experiencing not only undernutrition and low birth weight, but also increased weight gain during later childhood and adolescence. The consequence of this combination results in women in these countries entering pregnancy with poorer nutrition and increased rates of diabetes during pregnancy. It is therefore possible that measures to improve the nutrition of young women before and during pregnancy may have long-term beneficial effects. Research has also shown that chronic inflammation (a normally protective response of the body to injury or infection) has been associated with NCDs including diabetes and heart disease. Nutrition plays a key role in the regulation of this inflammatory response. It has been shown that diets consisting of a greater intake of red meat, high-fat products, refined grains, and simple carbohydrates can result in higher levels of markers of inflammation, even in the absence of injury or infection. In this context, the Healthy Life Trajectories Initiative (HeLTI) programme was set up as a joint initiative funded by the Canadian Institutes of Health Research, Department of Biotechnology (India), Medical Research Council (South Africa) and the National Natural Science Foundation (China), in collaboration with the World Health Organisation. There are four separate but harmonised intervention studies in Mysore (India), Johannesburg (South Africa), Shanghai (China) and two provinces in Canada. The studies will test the concept that interventions addressing maternal nutrition and well-being from before pregnancy, and continued through pregnancy and after birth will improve maternal and child health including the long-term well-being of the child. As part of the main study, we will collect a range of biological samples (blood, buccal and vaginal swabs, urine, stool, cord blood and placenta) from the women/mothers, fathers and children. In this study, we will undertake analyses of a selection of these biological samples. We aim to understand the nutritional factors (such as body size and diet) that affect inflammation in young women in three countries (China, India and South Africa). We will explore whether inflammation is related to maternal complications such as diabetes during pregnancy, and whether it affects fetal growth. We will also assess whether the intervention reduces inflammation and the risk of maternal complications, and improves fetal growth. Finally, we will explore the pathways by which nutrition, inflammation and NCDs are related. The findings will have important global policy implications for maternal and child health as the studies cover urban and rural populations in various stages of socio-economic transition.

Objectives

The Global Challenges Research Fund (GCRF) supports cutting-edge research to address challenges faced by developing countries. The fund addresses the UN sustainable development goals. It aims to maximise the impact of research and innovation to improve lives and opportunity in the developing world.

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Location

The country, countries or regions that benefit from this Programme.

China, India, South Africa

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