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Background  Obesity is a cause of FGF21 resistance, which affects the browning and thermogenesis process of the adipose tissue. Decreased receptor expression is influenced by miR‐34a, whose expression is increased in obesity. While FGF21‐based therapies have been widely investigated, the potential activity of  Hibiscus sabdariffa  Linn. extract (HSE) against FGF21 resistance is unknown.    Objective  This study aims to determine the effects of HSE on the expression of miR‐34a and FGF21 receptors in white adipose tissue.    Methods  This experimental study used 24 male Sprague‐Dawley rats and divided into four groups: Control (N); diet‐induced‐obesity rats (DIO); DIO rats with HSE 200 mg/kgBW/day and DIO rats with HSE 400 mg/kgBW/day. Rats were fed a high‐fat diet for 17 weeks. HSE was administered daily for 5 weeks. The administration of HSE 400 mg/kgBW/day resulted in the equivalent expression of miR‐34a to that of the control ( p  > 0.05).    Results  FGFR1 receptor expression was also similar to controls ( p  > 0.05). Beta‐klotho expression was significantly lower than that of control ( p  < 0.05) but equivalent to that of DIO rats ( p  < 0.05).    Conclusions   H. sabdariffa  has the potential to reduce FGF21 resistance in DIO rats through the suppression of miR‐34a expression and an increase in the number of FGFR1 and beta‐klotho receptors in adipose tissue.

Potential of Hibiscus sabdariffa Linn. in managing FGF21 resistance in diet‐induced‐obesity rats via miR‐34a regulation