Intake regulation in ruminants consuming nutrient deficient diets

2021 ◽  
Author(s):  
◽  
David Innes
Keyword(s):  
Intake Regulation

scholarly journals New findings on iron absorption conditioning factors

2004 ◽  
Vol 4 (3) ◽  
pp. 241-248 ◽  
Author(s):  
Rute Cândida Pereira ◽  
Alcides da Silva Diniz ◽  
Luiz Oscar Cardoso Ferreira
Keyword(s):  
Iron Absorption ◽  
The Body ◽  
Vulnerable Groups ◽  
Deficiency Anemia ◽  
Public Health Issue ◽  
Conditioning Factors ◽  
Risk Increase ◽  
New Findings ◽  
Intake Regulation ◽  
The Impact

The authors focus iron intake regulation in the body and the probable mechanisms related to iron absorption. They analyze the impact of iron absorption deficiency resulting in iron deficiency anemia, a public health issue of great impact in the world influencing child and maternal health risk increase. This paper aims at highlighting the problems affecting the uptake or inhibiting processes of iron absorption in an attempt to correlate information on conditioning factors and current findings. This study is a document based descriptive study comprising literature review. In food, iron has different forms, such as the heme and non-heme forms following different absorption pathways with different efficiency rates, depending on conditioning factors, such as diet profile, physiological aspects, iron chemical state, absorption regulation, transportation, storing, excretion and the presence of disease, They also discuss the current difficulties in dealing with iron nutritional deficiency in vulnerable groups, children and pregnant women, and focus data on iron consumption, adhesion to breast feeding and the frequency of prenatal care visits.

Role of serotonergic 5-HT1A and oxytocinergic receptors of the lateral septal area in sodium intake regulation

2010 ◽  
Vol 209 (2) ◽  
pp. 260-266 ◽  
Author(s):  
Gabriela Maria Pavan de Arruda Camargo ◽  
Luiz Antônio de Arruda Camargo ◽  
Wilson Abrão Saad
Keyword(s):  
Sodium Intake ◽  
Septal Area ◽  
Lateral Septal Area ◽  
Intake Regulation

scholarly journals Signals from intra-abdominal fat modulate insulin and leptin sensitivity through different mechanisms: Neuronal involvement in food-intake regulation

2006 ◽  
Vol 3 (3) ◽  
pp. 223-229 ◽  
Author(s):  
Tetsuya Yamada ◽  
Hideki Katagiri ◽  
Yasushi Ishigaki ◽  
Takehide Ogihara ◽  
Junta Imai ◽  
...  
Keyword(s):  
Food Intake ◽  
Abdominal Fat ◽  
Leptin Sensitivity ◽  
Food Intake Regulation ◽  
Intake Regulation

Appetite and Energy Intake Regulation in Response to Acute Exercise

2021 ◽  
Vol Publish Ahead of Print ◽  
Author(s):  
Tanya M. Halliday ◽  
Mollie H. White ◽  
Allison K. Hild ◽  
Molly B. Conroy ◽  
Edward L. Melanson ◽  
...  
Keyword(s):  
Energy Intake ◽  
Acute Exercise ◽  
Intake Regulation

scholarly journals Herbage intake regulation and growth of rabbits raised on grasslands: back to basics and looking forward

animal ◽  
2016 ◽  
Vol 10 (10) ◽  
pp. 1609-1618 ◽  
Author(s):  
G. Martin ◽  
A. Duprat ◽  
J.-P. Goby ◽  
J.-P. Theau ◽  
A. Roinsard ◽  
...  
Keyword(s):  
Herbage Intake ◽  
Intake Regulation

The anorexigenic cytokine ciliary neurotrophic factor stimulates POMC gene expression via receptors localized in the nucleus of arcuate neurons

2012 ◽  
Vol 302 (4) ◽  
pp. E458-E467 ◽  
Author(s):  
Odile Couvreur ◽  
Alain Aubourg ◽  
Delphine Crépin ◽  
Jéril Degrouard ◽  
Arieh Gertler ◽  
...  
Keyword(s):  
Gene Expression ◽  
Cell Nucleus ◽  
Neurotrophic Factor ◽  
Energy Homeostasis ◽  
Ciliary Neurotrophic Factor ◽  
Hypothalamic Region ◽  
Diet Induced Obesity ◽  
Food Intake Regulation ◽  
Pomc Gene ◽  
Intake Regulation

Ciliary neurotrophic factor (CNTF) is a neural cytokine that reduces appetite and body weight when administrated to rodents or humans. We have demonstrated recently that the level of CNTF in the arcuate nucleus (ARC), a key hypothalamic region involved in food intake regulation, is positively correlated with protection against diet-induced obesity. However, the comprehension of the physiological significance of neural CNTF action was still incomplete because CNTF lacks a signal peptide and thus may not be secreted by the classical exocytosis pathways. Knowing that CNTF distribution shares similarities with that of its receptor subunits in the rat ARC, we hypothesized that CNTF could exert a direct intracrine effect in ARC cells. Here, we demonstrate that CNTF, together with its receptor subunits, translocates to the cell nucleus of anorexigenic POMC neurons in the rat ARC. Furthermore, the stimulation of hypothalamic nuclear fractions with CNTF induces the phosphorylation of several signaling proteins, including Akt, as well as the transcription of the POMC gene. These data strongly suggest that intracellular CNTF may directly modulate POMC gene expression via the activation of receptors localized in the cell nucleus, providing a novel plausible mechanism of CNTF action in regulating energy homeostasis.

scholarly journals The long-chain fatty acid receptors FFA1 and FFA4 are involved in food intake regulation in fish brain

2020 ◽  
Vol 223 (17) ◽  
pp. jeb227330
Author(s):  
Cristina Velasco ◽  
Marta Conde-Sieira ◽  
Sara Comesaña ◽  
Mauro Chivite ◽  
Adrián Díaz-Rúa ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Free Fatty Acid ◽  
Food Intake ◽  
Mrna Abundance ◽  
Fish Brain ◽  
Protein Levels ◽  
Food Intake Regulation ◽  
Free Fatty Acid Receptors ◽  
Intake Regulation ◽  
Long Chain

ABSTRACTWe hypothesized that the free fatty acid receptors FFA1 and FFA4 might be involved in the anorectic response observed in fish after rising levels of long-chain fatty acids (LCFAs) such as oleate. In one experiment we demonstrated that intracerebroventricular (i.c.v.) treatment of rainbow trout with FFA1 and FFA4 agonists elicited an anorectic response 2, 6 and 24 h after treatment. In a second experiment, the same i.c.v. treatment resulted after 2 h in an enhancement in the mRNA abundance of anorexigenic neuropeptides pomca1 and cartpt and a decrease in the values of orexigenic peptides npy and agrp1. These changes occurred in parallel with those observed in the mRNA abundance and/or protein levels of the transcription factors Creb, Bsx and FoxO1, protein levels and phosphorylation status of Ampkα and Akt, and mRNA abundance of plcb1 and itrp3. Finally, we assessed in a third experiment the response of all these parameters after 2 h of i.c.v. treatment with oleate (the endogenous ligand of both free fatty acid receptors) alone or in the presence of FFA1 and FFA4 antagonists. Most effects of oleate disappeared in the presence of FFA1 and FFA4 antagonists. The evidence obtained supports the involvement of FFA1 and FFA4 in fatty acid sensing in fish brain, and thus involvement in food intake regulation through mechanisms not exactly comparable (differential response of neuropeptides and cellular signalling) to those known in mammals.

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