RGD Reference Report - TGF-beta type II receptor in rat renal vascular development: localization to juxtaglomerular cells. - Rat Genome Database

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TGF-beta type II receptor in rat renal vascular development: localization to juxtaglomerular cells.

Authors: Liu, A  Ballermann, BJ 
Citation: Liu A and Ballermann BJ, Kidney Int. 1998 Mar;53(3):716-25.
RGD ID: 1601618
Pubmed: PMID:9507219   (View Abstract at PubMed)
DOI: DOI:10.1046/j.1523-1755.1998.00810.x   (Journal Full-text)

To further define the role of transforming growth factor-beta (TGF-beta) receptors in renal vascular development, detailed immunohistochemical studies of TGF-beta receptor expression were performed from gestational day 15 through adulthood. On gestational day 15, TGF-beta type II receptor immunoreactivity was restricted to perirenal stromal and vascular cells. On gestational day 17 TGF-beta type II receptor immunoreactive stromal cells were observed within the kidney, with the same distribution as stromal alpha-smooth muscle actin and renin immunoreactive cells, and intense stromal TGF-beta type II receptor immunoreactivity continued through postnatal day 5. As vascular development progressed, TGF-beta type II receptor, alpha-smooth muscle actin and renin immunoreactivity became progressively restricted to small renal arteries and arterioles. Expression of TGF-beta type II receptors and renin was very intense in afferent glomerular arterioles during postnatal days 5 to 15, and then became progressively restricted only to juxtaglomerular cells in the mature kidney. TGF-beta type I receptor (ALK-5, ALK-1 and ALK-2) immunoreactivity was not detected in stromal or vascular elements during development or in the mature kidney. Intense TGF-beta type II receptor expression in renal stromal vascular smooth muscle cell precursors and developing blood vessels suggests a role for the TGF-beta type II receptors in the formation of the renal vascular smooth muscle compartment. The continued intense expression in juxtaglomerular cells argues for a role in renin synthesis and/or release. The absence of ALK-5, ALK-1, and ALK-2 in developing vascular smooth muscle and mature juxtaglomerular cells indicates that the canonical view of TGF-beta signaling may not hold in these locations.

Gene Ontology Annotations    Click to see Annotation Detail View

Biological Process
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
vasculogenesis  IEP 1601618 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Tgfbr2  (transforming growth factor, beta receptor 2)


Additional Information