S
Shiu-Fun Pang
Researcher at University of Hong Kong
Publications - 56
Citations - 1578
Shiu-Fun Pang is an academic researcher from University of Hong Kong. The author has contributed to research in topics: Melatonin & Pineal gland. The author has an hindex of 24, co-authored 56 publications receiving 1532 citations. Previous affiliations of Shiu-Fun Pang include Chinese Academy of Sciences.
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Journal ArticleDOI
Pretreatment with melatonin reduces volume of cerebral infarction in a rat middle cerebral artery occlusion stroke model.
TL;DR: Results indicate that pretreatment with melatonin at a dose between 5 and 15 mg/kg protects against focal cerebral ischemia.
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Melatonin concentrations in serum and tissues of porcine gastrointestinal tract and their relationship to the intake and passage of food
TL;DR: It is suggested that melatonin produced in the ileum, cecum, and colon may contribute significantly to the short‐term increase of serum melatonin levels observed after refeeding.
Journal ArticleDOI
The role of serotonin and melatonin in gastrointestinal physiology: Ontogeny, regulation of food intake, and mutual serotonin‐melatonin feedback
George A. Bubenik,Shiu-Fun Pang +1 more
TL;DR: The role of serotonin and megaton in gastrointestinal physiology: Ontogeny, regulation of food intake, and mutual serotonin‐melatonin feedback is studied.
Journal ArticleDOI
The effect of food deprivation on brain and gastrointestinal tissue levels of tryptophan, serotonin, 5-hydroxyindoleacetic acid, and melatonin.
TL;DR: Tissue levels of tryptophan (TRP), serotonin, 5‐hydroxyindoleacetic acid, and melatonin in the brain and the gastrointestinal tract (GIT) of mice on ad libitum diet as well as in mice deprived of food for 24 and 48 hr are determined.
Journal ArticleDOI
Circadian variation of portal, arterial and venous blood levels of melatonin in pigs and its relationship to food intake and sleep
George A. Bubenik,Shiu-Fun Pang,J.R. Cockshut,P. S. Smith,L.W. Grovum,R.M. Friendship,R. R. Hacker +6 more
TL;DR: There is no clear circadian rhythm of melatonin in the peripheral blood of pigs, relatively little melatonin is metabolized during the first liver passage, food intake may elevate melatonin levels in the hepatic portal vein, and increased levels ofmelatonin originated in the gastrointestinal tract may induce sleep.