The effect of creatine on the developing rat foetus

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dc.contributor.author Badenhorst, Frans Hendrik
dc.date.accessioned 2006-11-20T09:50:09Z
dc.date.available 2006-11-20T09:50:09Z
dc.date.issued 2006-11-20T09:50:09Z
dc.identifier.uri http://hdl.handle.net/10539/1900
dc.description Faculty of Health Sciences Master of Science in Medicine 0204267n en
dc.description.abstract Creatine is one of the most frequently or generally used ergogenic substances. It is used by professional and amateur athletes and the “man on the street”. Creatine is involved in energy production and protein synthesis in muscle. Although studies have been carried out on the effect of creatine on adults, no study has yet determined whether creatine would have an influence on the developing rat foetus if taken by a female during pregnancy. The aim of this study was thus to determine whether creatine had an effect on the developing foetus. Dams were divided into two groups, which we re injected between days 7-13 and on days 9 and 11 only of intra-uterine development respectively. Each group was subdivided into a control and two experimental groups. Experimental group one received a low dose of creatine (53.5mg/250g body weight); the other experimental group received a high dose of creatine (107mg/250g body weight). The control group received an equal volume (1ml) of the vehicle (saline) in which the creatine was constituted. Dams were sacrificed on day 20 of development. The foetuses were removed and their weight and length taken. Foetuses were examined for abnormalities. Two foetuses from each litter underwent skeletal staining. Tissue was excised from the remaining foetuses and processed for histology for histological investigation. Creatine positively affected the growth of the foetuses of dams injected between days 7-13, while foetuses of dams injected only on days 9 and 11 in the B-group showed reduced growth. Creatine also had a slightly negative effect on the histological structure of the liver, but enhanced skeletal muscle growth, endocrine cell formation (pancreas) and skeletal formation. From the results obtained it is hypothesized that creatine and insulin together may play a positive role from implantation to birth, while creatine given at certain stages of organogenesis delayed development of the foetus. en
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dc.language.iso en en
dc.subject Creatine en
dc.subject professional en
dc.subject amateur en
dc.subject muscle en
dc.subject athletes en
dc.title The effect of creatine on the developing rat foetus en
dc.type Thesis en


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