نتایج جستجو برای: مدل vsm
تعداد نتایج: 122264 فیلتر نتایج به سال:
Vascular smooth muscle (VSM) cell proliferation contributes to the pathogenesis of atherosclerosis, restenosis after angioplasty and vein graft disease. The regulation of genes involved in VSM cell proliferation, particularly by naturally occurring inhibitors, is therefore of some importance. We have investigated the role of the c-myc proto-oncogene in growth arrest of exponentially proliferati...
This paper presents developments of traditional value stream mapping (VSM) related to enhancing system and method competencies of both individuals and organisations. Since systematic immersions in traditional VSM – a highly accepted technique for improving production systems – are necessary, this paper describes from a production research point of view approaches for systematic productivity inc...
Vascular smooth muscle (VSM) growth is integral in the pathophysiology of blood vessel diseases, and identifying approaches that have capacity to regulate VSM growth is critically essential. Cyclic nucleotide signaling has been generally considered protective in cardiac and vascular tissues and has been the target of numerous basic science and clinical studies. In this project, the influence of...
این پژوهش با الهام گرفتن از نتایج یک طرح مطالعاتی کاربردی، رویکرد سلسلهمراتبی جهت پیگیری فرایند توسعه تأمینکنندگان و حمایت تصمیمات موجود در هر مراحل آن ارائه میکند. ابتدا، زمینههای تأمین نیازمند سپس واجد شرایط هریک زمینهها به کمک تصمیمگیری چندشاخصه بهترین-بدترین مشخص میگردند. معیارهای شناسایی نیز مرور مطالعات پیشین بهرهگیری نظرات خبرگان حوزهی خرید استخراجشدهاند. درنهایت، مدل ریاضی ...
The decompensatory phase of hemorrhage (shock) is caused by a poorly defined phenomenon termed vascular hyporeactivity (VHR). VHR may reflect an acute in vivo imbalance in levels of contractile and relaxant stimuli favoring net vascular smooth muscle (VSM) relaxation. Alternatively, VHR may be caused by intrinsic VSM desensitization of contraction resulting from prior exposure to high levels of...
We demonstrated previously that membrane depolarization and excitatory receptor agonists such as noradrenaline induce Ca2+-dependent Rho activation in VSM (vascular smooth muscle), resulting in MP (myosin phosphatase) inhibition through the mechanisms involving Rho kinase-mediated phosphorylation of its regulatory subunit MYPT1. In the present study, we show in de-endothelialized VSM strips tha...
This paper addresses the issue of motion-based description of video contents within the framework of the future MPEG7 standard. A family of velocity-based similarity measures (VSM) is first defined, involving a generic distance function which can be specified according to the query type. VSM computation complexity, spatio-temporal alignment problems and translational and homogenous motion compo...
In this paper we explore the Viable System Model (VSM) as a basis for design of a component framework. The goal is to address complex application requirements by increasing the level of abstraction and through principled consistency in a component architecture. We develop a scenario around a Smart Lecture Room. This provides a hardware and software setting to illustrate how the VSM is used to d...
The mechanisms of nitric oxide (NO)-mediated inhibition of vascular smooth muscle (VSM) cell proliferation are still obscure. Cyclins A and E in association with cyclin-dependent kinase 2 (cdk2) serve as positive regulators for mammalian cell cycle progression through the G1/S checkpoint of the cell cycle and subsequent cell proliferation. Therefore, we have tested the effect of adenovirus-medi...
Microtubules are important cytoskeletal elements that have been shown to play a major role in many cellular processes because of their mechanical properties and/or their participation in various cell signaling pathways. We tested the hypothesis that depolymerization of microtubules would alter vascular smooth muscle (VSM) tone and hence contractile function. In our studies, isolated cremaster a...
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