Response of lipoprotein lipase in various tissues to cold exposure

Abstract

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Adipose triglyceride lipase expression and fasting regulation are differently affected by cold exposure in adipose tissues of lean and obese Zucker rats

“…In this situation, the mobilization of fatty acids from WAT and/or the activation in IBAT of LPL, which is essential for the hydrolysis and distribution of triglyceriderich lipoprotein-associated fatty acids among extrahepatic tissues [38], would be necessary in order to replenish the tissue supply of fatty acids. In fact, several studies have demonstrated that LPL activity is stimulated rapidly in response to cold exposure in IBAT [38][39][40][41][42] but not in EWAT [39,42] or IWAT [38] depots of rodents. In agreement with these reports, in the present study, we have found an increase in LPL mRNA levels in IBAT of lean rats in response to cold exposure, but not in EWAT.…”

Increased thermoregulation in cold-exposed transgenic mice overexpressing lipoprotein lipase in skeletal muscle: an avian phenotype?

“…Several studies have shown that cold exposure increases LPL activity in the heart and BAT tissue (25)(26)(27). It has also been shown in piglets exposed to the cold that skeletal muscle LPL activity was increased by 71%, whereas WAT LPL activity was Fig.…”

Evolution de l'activité de l'acétyl-CoA-carboxylase et de la lipoprotéine lipase dans le foie et les tissus adipeux du rat mâle au cours du développement après sevrage. Influence du taux de lipides de la ration

“…Les travaux réalisés sur cette question ont porté sur les effets du jeûne et de la réalimentation (Allman et al, 1965 ;Numa et al, 1961Numa et al, , 1970, sur l'influence de la fré-quence des repas (Chakrabarty et Leveille, 1968Leveille, , 1969, celle de l'heure du repas protéique (Peret et al, 1976a) et celle du taux protéique de la ration (Peret et al, 1976b), sur la comparaison entre apport énergétique à base de glucides ou de lipides (Allred et Roehrig, 1973 ;Bortz et al, 1963 ; Desjardins, 1968Desjardins, , 1969 et enfin sur l'influence de la nature des lipides (Gibson et al,1972 ;Muto et Gibson,1970 Borensztajn et al, 1972 ;Rault et al, 1974 ;Husbands, 1972 ;Shotz et Garfinkel, 1972) Harris, 1975), la nature de l'apport lipidique (Bagdade et al, 1970), la nature de l'apport glucidique (Vrana et al, 1974), l'effet de la température ambiante (Radomski et Orme, 1971).…”