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. 2005 Nov;54(11):1638–1649. doi: 10.1136/gut.2004.062604

Table 3.

 Effects of ghrelin arranged in the order of an estimate of the number of publications related to them

Effect† No of &;studies‡
Central nervous system 133
    Increases appetite and food intake
Metabolic effects 108
    Increases blood glucose levels
    Stimulates fat deposit in adipose tissue
Growth hormone secretion 95
    More potent growth hormone* releaser than GHRH
Endocrine pancreas. 60
    Relation to insulin* secretion is unclear and may depend on plasma glucose level
    Increases somatostatin* and PP* secretion
Hypothalamic factors other than growth hormone 46
    High doses also release ACTH, prolactin, cortisol
    Affects gonadotroph secretion
Cardiovascular physiology 26
    Decreases blood pressure
    Increases cardiac output and stroke volume
    Improves cardiac performance also when dysfunction is present
Digestive system 19
    Increases gastric acid secretion
    Accelerates gastric emptying
    Offers gastroprotection against ulcerogens
Reproductive physiology* 15
    Possible link between energy status and fertility
Dose dependent inhibition or stimulation of cell proliferation of tumour cell lines. 14
Central nervous system (other than appetite) 9
    Enhances anxiety
    Increases memory retention
    Promotes slow wave sleep

†Compiled from two recent extensive reviews on ghrelin.16,17

‡Number of studies retrieved by PubMed when searching for the terms in italic as MeSH or major MeSH term (for those marked with *) considering only studies published in English with ghrelin in the title and with the exclusion of reviews.