نتایج جستجو برای: localized cyclophilin
تعداد نتایج: 105442 فیلتر نتایج به سال:
incidence of heart failure dramatically increases with aging. An important feature of cardiac aging is an increase in susceptibility to stress, such as ischemia and hemodynamic overload [1]. The heart is an organ in which mitochondria are abundant and mitochondrial dysfunction caused by oxidative stress is believed to be an important cause of aging and failure. Mitochondrial permeability transi...
Lentiviruses such as HIV-1 traverse nuclear pore complexes (NPC) and infect terminally differentiated non-dividing cells, but how they do this is unclear. The cytoplasmic NPC protein Nup358/RanBP2 was identified as an HIV-1 co-factor in previous studies. Here we report that HIV-1 capsid (CA) binds directly to the cyclophilin domain of Nup358/RanBP2. Fusion of the Nup358/RanBP2 cyclophilin (Cyp)...
Cyclosporin A (CsA), a widely used immunosuppressant, causes distal renal tubular acidosis (dRTA). It exerts its immunosuppressive effect by a calcineurin-inhibitory complex with its cytosolic receptor, cyclophilin A. However, CsA also inhibits the peptidyl prolyl cis-trans isomerase (PPIase) activity of cyclophilin A. We studied HCO(3)(-) transport and changes in beta-intercalated cell pH on l...
Cyclophilin 40 (Cyp40) comprises an N-terminal cyclophilin domain with peptidyl-prolyl isomerase (PPIase) activity and a C-terminal tetratricopeptide repeat (TPR) domain that binds to the C-terminal-EEVD sequence common to both heat shock protein 70 (Hsp70) and Hsp90. We show in the present study that binding of peptides containing the MEEVD motif reduces the PPIase activity by ∼30%. CD and flu...
Yellow dwarf viruses cause the most economically important virus diseases of cereal crops worldwide and are transmitted by aphid vectors. The identification of aphid genes and proteins mediating virus transmission is critical to develop agriculturally sustainable virus management practices and to understand viral strategies for circulative movement in all insect vectors. Two cyclophilin B prote...
A novel second streptomycete cyclophilin gene-designated sccypB-was isolated from a cosmid gene library of Streptomyces chrysomallus by using as gene probe a fragment of the previously isolated cyclophilin gene sccypA of the same organism. From its sequence the gene sccypB should encode a protein of M(r) 18868. Expression of sccypB in Escherichia coli as a hexaHis-tagged fusion protein (H6ScCyp...
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