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The ultimate consequence of cytotoxic edema is the oncotic death of neurons. [1] The swelling of the individual cells of the brain is the main distinguishing characteristic of cytotoxic edema, as opposed to vasogenic edema, wherein the influx of fluid is typically seen in the interstitial space rather than within the cells themselves. [20]
Cerebral edema is mainly classified into cytotoxic edema, vasogenic edema and interstitial edema. Cytotoxic edema affects both the white and gray matter and results from the swelling of cellular elements such as neurons, glia and endothelial cells. Vasogenic edema affects white matter and results from blood brain barrier (BBB) breakdown ...
While there is strong evidence that vasogenic edema plays a major role in HACE, cytotoxic edema, cellular retention of fluids, may contribute as well. [13] [18] Cytotoxic edema may be caused by the failure of cellular ion pumps, which results from hypoxia. Then intracellular sodium and osmolarity increase, and there is an influx of water that ...
It was found that with treatment of the purinergic ligand 2-methylthioladenosine 5' diphosphate (2-MeSADP), which is an agonist and has a high preference for the purinergic receptor type 1 isoform (P2Y 1 R), significantly contributes to the reduction of an ischemic lesions caused by cytotoxic edema. Further pharmacological evidence has ...
Treating cells with the cytotoxic compound can result in a variety of prognoses. The cells may undergo necrosis , in which they lose membrane integrity and die rapidly as a result of cell lysis . The cells can stop actively growing and dividing (a decrease in cell viability), or the cells can activate a genetic program of controlled cell death ...
Lee's death was officially ruled the result of cerebral edema — swelling of the brain. While a normal human brain is about 3 pounds, Lee's was reportedly closer to 3½ pounds.
The "cytotoxic" theory suggests that it is direct cell damage by toxins (usually medications) that precipitates the edema. The "immunogenic" theory suggests a role for the immune system (specifically T cells). [1] [5] Some consider the cytotoxic and immunogenic theories together as a single "toxic" theory. [4]
However, in patients with increased apolipoprotein (APOE) e4 carriers, Bapineuzumab treatment is also accompanied by vasogenic edema, [28] a cytotoxic condition where the blood brain barrier has been disrupted thereby affecting white matter from excess accumulation of fluid from capillaries in intracellular and extracellular spaces of the brain ...