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Dopamine receptor subtypes D1 and D2, and many other seven-transmembrane receptors including adenosine receptor A2A, are colocalized in striatum of brain. These receptors stimulate or inhibit adenylyl cyclases (ACs) to produce distinct physiological and pharmacological responses and interact with each other synergistically or antagonistically at various(More)
AIMS Controversy exists regarding the effects of granulocyte colony-stimulating factor (G-CSF) on post-infarction remodelling, which is regulated by matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs). The aim of this study was to investigate the impact of G-CSF administration on cardiac MMP/TIMP ratios and long-term(More)
To understand the roles of p38 mitogen-activated protein kinase (p38 MAPK) isoforms in adult mouse brain, in vivo activities and detailed expression patterns of two p38 isoforms, p38alpha and p38beta, were examined by using biochemical and immunohistochemical analyses. The result indicated that the activity of both p38alpha and p38b MAPKs in normal adult(More)
Bone marrow mesenchymal stem cells (MSCs) are considered as a promising cell source to treat the acute myocardial infarction. However, over 90% of the stem cells usually die in the first three days of transplantation. Survival potential, migration ability and paracrine capacity have been considered as the most important three factors for cell(More)
Small heat shock proteins have been implicated in playing a role in various cellular processes, including stress-induced cell death. In kainic acid (KA)-treated rat brain, the immunoreactivity of heat-shock protein 27 (HSP27) was markedly increased in glia cells of the limbic system. In the present study, we demonstrated that alpha B-crystallin, a member of(More)
Activation of p38 mitogen-activated protein kinase (p38 MAPK) has been implicated in pathological changes in inflammatory and apoptotic processes in various cell types including neurons. Here we report the delayed induction of p38 MAPKs in the brain of mice following kainic acid (KA)-induced seizure. The immunoreactivities of p38alpha and p38beta MAPKs were(More)
In our previous work, we showed for the first time that the voltage-gated proton channel Hv1 is specifically expressed in highly metastatic human breast tumor tissues and cell lines. However, the contribution of Hv1 to breast carcinogenesis is not well known. In this study, we showed that Hv1 expression was significantly correlated with the tumor size (p =(More)
The members of a LRR family play crucial roles in the activation of innate and adaptive immune responses. We reported previously that LRRC33, a transmembrane protein of the LRR family, might potentially affect TLR-mediated activity. Here, we demonstrate that LRRC33 is a negative physiological regulator for multiple TLRs. Lrrc33(-/-) and Lrrc33(+/-) mice(More)
The p38 MAPK signaling pathway has been implicated in various pathological conditions of neuronal and non-neuronal cells. Here we report the differential induction of p38 MAPK isoforms, p38alpha and p38beta, in the adult gerbil brain following transient global ischemia. The p38alpha and p38beta kinase activities were gradually enhanced with the peak(More)
BACKGROUND Bone marrow (BM) stem cells have been reported to contribute to tissue repair after kidney injury model. However, there is no direct evidence so far that BM cells can trans-differentiate into renal stem cells. METHODS To investigate whether BM stem cells contribute to repopulate the renal stem cell pool, we transplanted BM cells from transgenic(More)