Effects of dietary proteins on some pancreatic mRNAs encoding digestive enzymes in the pig

Lhoste, Évelyne; Fiszlewicz, Michèle; Gueugneau, Anne-Marie; Wicker‐Planquart, Catherine; Puigserver, Antoine; Corring, T.

doi:10.1016/0955-2863(93)90042-u

Cited by 34 publications

(17 citation statements)

References 41 publications

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“…The reason may be the high pepsin expression level in larvae fed CP 53 resulted in good digestion of dietary protein and thus induced rapid growth of larvae, similar to Octopus vulgaris larvae (Villanueva et al, 2002). Dietary protein also affected the pancreatic enzyme activities and their corresponding mRNAs in pigs (Lhoste et al, 1993). Our results suggest that P. fulvidraco larvae can adjust their digestive enzymes to different levels of dietary protein and this digestive adaptation seems to be well correlated with larval growth.…”

Section: Discussionmentioning

confidence: 63%

Effects of age and dietary protein level on digestive enzyme activity and gene expression of Pelteobagrus fulvidraco larvae

et al. 2006

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Section: Discussionmentioning

confidence: 63%

Effects of age and dietary protein level on digestive enzyme activity and gene expression of Pelteobagrus fulvidraco larvae

et al. 2006

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“…Twenty micrograms of insect protein was loaded in each well. et al, 1977;Schick et al, 1984;Giorgi et al, 1985;Graf and Briegel, 1989;Corring et al, 1989;Barillas-Mury et al, 1991;Lhoste et al, 1993), the insect seems to adjust its digestive proteolytic system to the diet, both quantitatively and qualitatively. As shown on gelatin-containing gels, CPB larvae use a complex set of proteinase forms present in varying amounts depending on the diet.…”

Section: Discussionmentioning

confidence: 99%

“…Previous studies carried out on mammals (Johnson et al, 1977;Schick et al, 1984;Giorgi et al, 1985;Lhoste et al, 1993) or insects (Gooding, 1973;Briegel and Lea, 1975;Noriega et al, 1994) clearly demonstrated that both the size and the nature of the diet influence the amount of specific proteolytic enzymes available for dietary protein di-*Abbreviations used: BSA, bovine serum albumin; CPB, Colorado potato beetle; E-64, transepoxysuccinyl-L-leucylamido (4-guanidino) butane; PAGE, polyacrylamide gel electrophoresis.…”

Section: Introductionmentioning

confidence: 99%

Diet-related plasticity of the digestive proteolytic system in larvae of the Colorado potato beetle (Leptinotarsa decemlineata Say)

Overney

Fawe

Yelle

et al. 1997

Arch. Insect Biochem. Physiol.

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Quantitative and qualitative changes in digestive proteolytic activities were monitored in fourth‐instar larvae of the Colorado potato beetle (Leptinotarsa decemlineata Say) subjected to three different leaf diets. Depending on the diet, the larvae exhibited variable growth rates, similar for potato (Solanum tuberosum) and eggplant (Solanum melongena) diets but lower for the tomato (Lycopersicon esculentum) diet. Interestingly, these growth rates were not associated with total protease activity in the midgut. While growth of tomato‐fed insects was negligible, midgut protease activity in these insects was 1.5 and 4.2 times higher than that measured for potato‐ and eggplant‐fed insects, respectively. As seen on gelatin‐containing polyacrylamide gels, midgut extracts from insects that ingested eggplant leaves contained only a few proteinase forms, while numerous forms were observed in extracts of potato‐ and tomato‐fed larvae. Although several forms were common to the three diets, their relative importance in the insect midgut varied. This diet‐related plasticity of the digestive proteolytic system in Colorado potato beetle larvae leads one to question the potential for control approaches based on the inhibition of digestive proteases. Arch. Insect Biochem. Physiol. 36:241–250, 1997. © 1997 Wiley‐Liss, Inc.

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“…Pro [65]. In weaned pigs, pancreatic amylase and proteases also undergo large increases with increasing starch and protein intake, respectively [16,80]. The [103].…”

Section: Effect Of Age On Digestive Productions and Enzyme Expressionsmentioning

confidence: 99%

Development of gastrointestinal and pancreatic functions in mammalians (mainly bovine and porcine species): influence of age and ingested food

Zabielski¹,

Huërou-Luron²,

Guilloteau³

1999

Reprod. Nutr. Dev.

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-This review summarizes recent advances in knowledge on the development of digestive tissues and their productions as well as mechanisms of regulation in response to age and ingested food in mammalian species (mainly bovine and porcine species). In the first two sections, changes are reported for stomach, pancreas and small intestine, and examined in relation to different situations (colostral, milk feeding and weaned periods). The implication of some regulatory substances (growth factors, gut regulatory peptides and neurohormonal substances) in regulation mechanisms is discussed over these periods. For

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Effects of dietary proteins on some pancreatic mRNAs encoding digestive enzymes in the pig

Cited by 34 publications

References 41 publications

Effects of age and dietary protein level on digestive enzyme activity and gene expression of Pelteobagrus fulvidraco larvae

Effects of age and dietary protein level on digestive enzyme activity and gene expression of Pelteobagrus fulvidraco larvae

Diet-related plasticity of the digestive proteolytic system in larvae of the Colorado potato beetle (Leptinotarsa decemlineata Say)

Development of gastrointestinal and pancreatic functions in mammalians (mainly bovine and porcine species): influence of age and ingested food

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