نتایج جستجو برای: n9
تعداد نتایج: 498 فیلتر نتایج به سال:
To counter the global threat caused by Plasmodium falciparum malaria, new drugs and vaccines are urgently needed. However, there are no practical animal models because P. falciparum infects human erythrocytes almost exclusively. Here we describe a reliable falciparum murine model of malaria by generating strains of P. falciparum in vivo that can infect immunodeficient mice engrafted with human ...
Enzymatic ribosylation of fluorescent 8-azapurine derivatives, like 8-azaguanine and 2,6-diamino-8-azapurine, with purine-nucleoside phosphorylase (PNP) as a catalyst, leads to N9, N8, and N7-ribosides. The final proportion of the products may be modulated by point mutations in the enzyme active site. As an example, ribosylation of the latter substrate by wild-type calf PNP gives N7- and N8-rib...
Although, the precise molecular mechanisms underlying Parkinson's disease (PD) are still elusive, it is now known that spreading of alpha-synuclein (aSyn) pathology and neuroinflammation are important players in disease progression. Here, we developed a novel microfluidic cell-culture platform for studying the communication between two different cell populations, a process of critical importanc...
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A major obstacle thwarting preclinical development of microbicides is the lack of a validated biomarker of cervicovaginal inflammation. Therefore, the present study aims to identify novel noninvasive soluble markers in a murine model for assessment of microbicide mucosal safety. By performing cytokine antibody array analysis, we identified two adhesion molecules, L-selectin and P-selectin, whic...
HUANG, S-S. (The Institute of Chinese Medicine of Guangdong province, Guangzhou, 510520, China), J.-P. LIAO (South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China). AND B. K. KIRCHOFF (University of North Carolina at Greensboro, Department of Biology, Greensboro, NC 27402), Calcium distribution and function in the glandular trichomes of Lavandula pinnata L. J. Torr...
Sequencing of the S1 genes of nine Australian strains of infectious bronchitis virus (IBV) identified two genotypically distinct groups of strains. The strains Vic S, V5/90, N1/62, N3/62, N9/74, and N2/75 comprised group I, sharing 80.7-98.3% identity in their deduced amino acid sequences. All group I strains were able to replicate in the trachea and kidney but only four strains, Vic S, N1/62, ...
The actin microstructure in dendritic spines is involved in synaptic plasticity. Inositol trisphosphate 3-kinase A (ITPKA) terminates Ins(1,4,5)P(3) signals emanating from spines and also binds filamentous actin (F-actin) through its amino terminal region (amino acids 1-66, N66). Here we investigated how ITPKA, independent of its kinase activity, regulates dendritic spine F-actin microstructure...
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