Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
2074573 | Animal Reproduction Science | 2007 | 21 Pages |
Abstract
The luteinizing hormone (LH) is secreted in multiple molecular forms into the blood stream; however, few studies have characterized the pattern of the circulating LH isoforms in domestic animals during different physiological stages. Most of the publications are related to the pattern of isoforms present in the anterior pituitary gland. This review includes recent evidence concerning the distribution of LH isoforms in the pituitary gland and serum in ruminants. The structural heterogeneity of this hormone is emphasized, including the glycosylation biosynthetic pathway, as well as the different proportions of oligosaccharides that confer particular functional characteristics to the heterodimer. Evidence for a regulating role of GnRH, estradiol and progesterone is discussed.
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Authors
G. Perera-MarÃn, C. Murcia, E. González-Padilla,