Self-Renewing Pig Fat Cell Line from Roslin Institute Could Resolve Key Bottleneck in Cultivated Meat Sector

Researchers at the Roslin Institute have developed a self-renewing pig fat cell line, FaTTy, that could revolutionize cultivated meat production by enabling consistent, efficient generation of fat tissue without genetic modification. These cells, derived from early-stage pig stem cells, can both proliferate indefinitely and reliably differentiate into fat cells, addressing a longstanding technical barrier in cultivated meat production. This breakthrough opens up new possibilities in cultivated meat and beyond, according to lead researcher Dr. Tom Thrower.

The research, published in NPJ Science of Food, involved isolating stem cells from piglets and cultivating them to develop the stable and self-renewing FaTTy cell line. Over a 40-day period, these cells consistently accumulated fat that closely resembled natural pig fat in composition, with slightly higher levels of monounsaturated fats. The availability of the FaTTy cell line to academic and commercial partners is expected to support further research into cellular agriculture and fat tissue engineering, ultimately advancing the field of cultivated meat production towards market viability.