Abstract:
:Employing the yeast two-hybrid system, the Tat protein of the human immunodeficiency virus (HIV) was shown to interact with a region spanning the EGF-like repeats 1-6 of the mouse Notch1, the human Notch2 and the Drosophila Notch. This observation was confirmed in mammalian cells by demonstrating an interaction between the HIV Tat and the EGF-like repeats 1-6 of the various Notch proteins. The HIV Tat protein interacted also with the full-length mouse Notch1 receptor when co-expressed in mammalian cells. Moreover, the HIV Tat protein interacted also with the EGF-like repeats 1-4-spanning domain of the human EGF precursor. The ability of the HIV Tat protein to interact with the Notch proteins and possibly with other EGF-like repeats-bearing proteins, suggests that such interactions might modulate their physiological functions, thus affecting various AIDS-associated pathologies.
journal_name
Virus Resjournal_title
Virus researchauthors
Shoham N,Cohen L,Yaniv A,Gazit Adoi
10.1016/j.virusres.2003.08.016subject
Has Abstractpub_date
2003-12-01 00:00:00pages
57-61issue
1eissn
0168-1702issn
1872-7492pii
S0168170203002545journal_volume
98pub_type
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