Alpha-smooth muscle actin and serotonin receptors 2A and 2B in dogs with myxomatous mitral valve disease
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Alpha-smooth muscle actin and serotonin receptors 2A and 2B in dogs with myxomatous mitral valve disease. / Cremer, Signe Emilie; Moesgaard, S. G.; Rasmussen, C. E.; Zois, N. E.; Falk, T.; Reimann, Maria Josefine; Cirera Salicio, Susanna; Aupperle, H.; Oyama, M. A.; Olsen, Lisbeth Høier.
I: Research in Veterinary Science, Bind 100, 19.03.2015, s. 197-206.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Alpha-smooth muscle actin and serotonin receptors 2A and 2B in dogs with myxomatous mitral valve disease
AU - Cremer, Signe Emilie
AU - Moesgaard, S. G.
AU - Rasmussen, C. E.
AU - Zois, N. E.
AU - Falk, T.
AU - Reimann, Maria Josefine
AU - Cirera Salicio, Susanna
AU - Aupperle, H.
AU - Oyama, M. A.
AU - Olsen, Lisbeth Høier
N1 - Copyright © 2015 Elsevier Ltd. All rights reserved.
PY - 2015/3/19
Y1 - 2015/3/19
N2 - Canine Myxomatous mitral valve disease (MMVD) is an age-related disease. Serotonin (5-HT) is implicated in the pathogenesis as locally-produced or platelet-derived. Involvement of the 5-HT2A receptor (R) and 5-HT2BR in the induction of myxomatous-mediating valvular myofibroblasts (MF) has been suggested. In an age-matched population of dogs with non-clinical and clinical MMVD, the objectives were to investigate (1) gene expression of 5-HT2AR and 5-HT2BR, (2) protein expression and spatial relationship of 5-HT2AR, 5-HT2BR and MF in the mitral valve (MV) and the cardiac anterior papillary muscle (AP) and (3) serum 5-HT concentrations. Gene expression of 5-HT2BR was significantly higher in MV and AP among dogs with clinical MMVD. This was not found for 5-HT2BR protein expression, though association of 5-HT2BR with myxomatous pathology and co-localization of 5-HT2BR and MF in MV and AP support a functional relationship, perhaps perpetuation of clinical MMVD. 5-HT2AR-expression and serum 5-HT showed no differences between groups.
AB - Canine Myxomatous mitral valve disease (MMVD) is an age-related disease. Serotonin (5-HT) is implicated in the pathogenesis as locally-produced or platelet-derived. Involvement of the 5-HT2A receptor (R) and 5-HT2BR in the induction of myxomatous-mediating valvular myofibroblasts (MF) has been suggested. In an age-matched population of dogs with non-clinical and clinical MMVD, the objectives were to investigate (1) gene expression of 5-HT2AR and 5-HT2BR, (2) protein expression and spatial relationship of 5-HT2AR, 5-HT2BR and MF in the mitral valve (MV) and the cardiac anterior papillary muscle (AP) and (3) serum 5-HT concentrations. Gene expression of 5-HT2BR was significantly higher in MV and AP among dogs with clinical MMVD. This was not found for 5-HT2BR protein expression, though association of 5-HT2BR with myxomatous pathology and co-localization of 5-HT2BR and MF in MV and AP support a functional relationship, perhaps perpetuation of clinical MMVD. 5-HT2AR-expression and serum 5-HT showed no differences between groups.
U2 - 10.1016/j.rvsc.2015.03.020
DO - 10.1016/j.rvsc.2015.03.020
M3 - Journal article
C2 - 25843893
VL - 100
SP - 197
EP - 206
JO - Research in Veterinary Science
JF - Research in Veterinary Science
SN - 0034-5288
ER -
ID: 137750892