منابع مشابه
Possible mechanisms of kidney repair
In most adult epithelia the process of replacing damaged or dead cells is maintained through the presence of stem/progenitor cells, which allow epithelial tissues to be repaired following injury. Existing evidence strongly supports the presence of stem cells in the adult kidney. Indeed, recent findings provide evidence in favour of a role for intrinsic renal cells and against a physiological ro...
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The mechanisms involved in kidney injury and repair are complex. In this chapter, I will briefl y summarize various components of this complexity. There are many potential causes of acute kidney injury (AKI), and each has its own characteristics, but I will focus on overriding themes, recognizing that the importance of some mechanisms may be dependent on the factors leading to the development o...
متن کاملMechanisms of epithelial repair and regeneration after acute kidney injury.
Acute kidney injury (AKI) is a common clinical problem and is associated with high mortality rates. It is accepted that after AKI cellular regeneration of the proximal tubule occurs from intrinsic tubule cells. Recently, scattered tubular cells (STCs) were discovered as a novel subpopulation of tubule cells involved in regeneration. STCs have a distinct morphology, unique protein expression pro...
متن کاملcardiovascular abnormalities in cirrhosis: the possible mechanisms
cirrhosis is characterized by marked abnormalities in the cardiovascular system. a hyperdynamic splanchnic and systemic circulation is typical of cirrhotic patients and has been observed in all experimental forms of portal hypertension. the hyperdynamic circulation is most likely initiated by arterial vasodilatation, leading to central hypovolemia, sodium retention, and an increased intravascul...
متن کاملpossible molecular mechanisms for paramecium learning
learning is a cornerstone of intelligent behavior in animals. this behavior has been mostly studied in organisms with a fairly complex nervous system. however, recent reports of learning in unicellular organisms suggested the existence of associative learning in unicellular organisms. in particular, the capability to associate different light intensities with cathodal stimulation in paramecium ...
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ژورنال
عنوان ژورنال: Fibrogenesis & Tissue Repair
سال: 2009
ISSN: 1755-1536
DOI: 10.1186/1755-1536-2-3