scholarly journals Cornel Iridoid Glycoside Protects Against White Matter Lesions Induced by Cerebral Ischemia in Rats via Activation of the Brain-Derived Neurotrophic Factor/Neuregulin-1 Pathway

2019 ◽  
Vol Volume 15 ◽  
pp. 3327-3340 ◽  
Author(s):  
Mingyang Wang ◽  
Xuesi Hua ◽  
Hongmei Niu ◽  
Zhengyu Sun ◽  
Li Zhang ◽  
...  
2003 ◽  
Vol 23 (2) ◽  
pp. 150-153 ◽  
Author(s):  
Matthias Endres ◽  
Guoping Fan ◽  
Lorenz Hirt ◽  
Rudolf Jaenisch

Neurotrophins play a protective role during cerebral ischemia, and mice lacking both alleles for neurotrophin 4 (Nt4−/-) or deficient in a single allele for brain-derived neurotrophic factor (Bdnf−/-) have increased susceptibility to cerebral ischemia. This study directly compared the biologic activities of brain-derived neurotrophic factor (BDNF) and NT4 by replacing the Bdnf coding sequence with the Nt4 sequence (Bdnf+/nt4–ki). Mice expressing one Nt4 allele in place of Bdnf develop 61% bigger lesions after 1-hour middle cerebral artery occlusion compared with wild-type littermates. Physiologic parameters did not contribute to ischemia susceptibility. In conclusion, NT4 is less potent than BDNF in promoting brain survival after stroke.


2018 ◽  
Vol 2 (4) ◽  
pp. 177-179
Author(s):  
Niyazi Acer ◽  
Mehmet Sait Dundar ◽  
Serap Bastepe-Gray

Abstract The brain consist of about 75 percent water. Diffusion tensor imaging (DTI) is an advanced magnetic resonance (MR) technique imaging that has been developed for diagnostic and research in medicine. It can be use DTI tractography to better understand degenerating axons of white matter lesions in some neurological diseases such as MS, AD, trauma, cerebral ischemia, epilepsy, brain tumors and metabolic disorders.


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