Abstract:
:Pericytes are known to communicate with endothelial cells by direct contact and by releasing cytokines such as TGF-beta. There is also strong evidence that pericytes act as regulators of endothelial cell proliferation and differentiation. We have investigated the effect of pericyte-conditioned medium (PCM) on proliferation of human microvascular endothelial cells in vitro, together with the expression of the vasoregulatory molecules, constitutive and inducible nitric oxide synthases (ecNOS and iNOS), and endothelin-1 (ET-1). Expression was measured at the mRNA level using semiquantitative RT-PCR for all three genes and at the protein level for ecNOS and iNOS using Western blotting. Growth curves for HMECs showed that PCM inhibits proliferation, eventually leading to cell death. Exposure to PCM repressed iNOS mRNA expression fivefold after 6 h. A similar, though delayed, reduction in protein levels was observed. ecNOS mRNA was slightly induced at 6 h, though there was no significant change in ecNOS protein. By contrast, ET-1 mRNA was induced 2.3-fold after 6 h exposure to PCM. We conclude that pericytes release a soluble factor or factors that are potent inhibitors of endothelial cell growth and promote vasoconstriction by up-regulating endothelin-1 and down-regulating iNOS.
journal_name
Microvasc Resjournal_title
Microvascular researchauthors
Martin AR,Bailie JR,Robson T,McKeown SR,Al-Assar O,McFarland A,Hirst DGdoi
10.1006/mvre.1999.2208keywords:
subject
Has Abstractpub_date
2000-01-01 00:00:00pages
131-9issue
1eissn
0026-2862issn
1095-9319pii
S0026-2862(99)92208-2journal_volume
59pub_type
杂志文章abstract::An ex vivo perfused solid tumor preparation provides control over the physiological, biochemical, and pharmacological composition of the arterial input and easy access to the venous output. This is advantageous for studies of transport and metabolism in solid tumors. Here we present a tissue-isolated tumor preparation...
journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1006/mvre.1994.1063
更新日期:1994-11-01 00:00:00
abstract::Recently the zebrafish has emerged as a promising vertebrate model of lymphatic vasculature development. The establishment of numerous transgenic lines that label the lymphatic endothelium in the zebrafish has allowed the fine examination of the developmental timing and the anatomy of their lymphatic vasculature. Alth...
journal_title:Microvascular research
pub_type: 杂志文章,评审
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abstract:BACKGROUND:Understanding the differences in skin blood flow (SBF) on the plantar and dorsal foot in people with diabetes mellitus (DM) may help to assess the influence of diabetes and neuropathy on microvascular dysfunction and risks of diabetic foot ulcers in this population. However, there is no study comparing SBF o...
journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2018.11.002
更新日期:2019-03-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2019.04.009
更新日期:2019-09-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1006/mvre.1998.2073
更新日期:1998-05-01 00:00:00
abstract:PURPOSE:To examine the possible role of Klotho (Kl) in human microvasculature. METHODS:The expression level of Kl in primary human dermal microvascular endothelial cells (HDMECs) and primary human dermal fibroblasts (HFb) was detected by real-time polymerase chain reaction amplification (qRT-PCR), Western blot analyse...
journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2016.05.005
更新日期:2016-09-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1006/mvre.1999.2163
更新日期:1999-09-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章,评审
doi:10.1016/j.mvr.2007.04.008
更新日期:2007-09-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1006/mvre.1997.2008
更新日期:1997-05-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2015.11.007
更新日期:2016-03-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1006/mvre.2001.2315
更新日期:2001-07-01 00:00:00
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journal_title:Microvascular research
pub_type: 临床试验,杂志文章
doi:10.1016/j.mvr.2008.04.004
更新日期:2008-08-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2014.05.002
更新日期:2014-07-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/0026-2862(92)90089-8
更新日期:1992-11-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2017.05.009
更新日期:2017-11-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/0026-2862(85)90040-8
更新日期:1985-07-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2019.103907
更新日期:2019-11-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2009.02.001
更新日期:2009-05-01 00:00:00
abstract::Rho-associated kinases are involved in regulation of actin-myosin contractility and the organization of the actin cytoskeleton in both endothelial and smooth muscle cells. By influencing the contraction of the intraendothelial filaments, Rho kinases may affect the size of the interendothelial gaps and thereby influenc...
journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/s0026-2862(03)00041-4
更新日期:2003-09-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1006/mvre.1995.1033
更新日期:1995-07-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2004.08.003
更新日期:2004-11-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2007.04.012
更新日期:2008-01-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/s0026-2862(02)00035-3
更新日期:2003-03-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2006.09.003
更新日期:2007-03-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/0026-2862(90)90020-r
更新日期:1990-09-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2020.104032
更新日期:2020-09-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/0026-2862(83)90018-3
更新日期:1983-05-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2008.02.004
更新日期:2008-05-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1016/j.mvr.2011.07.008
更新日期:2012-03-01 00:00:00
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journal_title:Microvascular research
pub_type: 杂志文章
doi:10.1006/mvre.1995.1064
更新日期:1995-11-01 00:00:00