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Microtubule-associated protein tau is essential for long-term depression in the...

Kimura, Tetsuya; Whitcomb, Daniel J.; Jo, Jihoon; Regan, Philip; Piers, Thomas; Heo, Seonghoo; Brown, Christopher; Hashikawa, Tsutomu; Murayama, Miyuki

The microtubule-associated protein tau is a principal component of neurofibrillary tangles, and has been identified as a key molecule in Alzheimer's disease and other tauopathies. However, it is unknown how a protein that is primarily located in axons is involved in a disease that is believed to have a synaptic origin. To investigate a possible synaptic function of tau, we studied synaptic plasticity in the hip...


Genotype testing and antiretroviral resistance profiles from HIV-1 patients exp...

Medeiros,Melissa Soares; Arruda,Érico Antônio Gomes; Guerrant,Richard Littleton; Brown,Christopher; Hammarskjold,Marie-Louise; Rekosh,David

Genotype testing for HIV-1 drug resistance is useful for selecting antiretroviral drug regimens for patients experiencing therapeutic failure, but the optimal means for interpreting the test results is unknown because many HIV-1 protease and reverse transcriptase (RT) mutations contribute to drug resistance. This study identified common combinations of resistance mutations related to antiretroviral resistance p...

Data: 2007   |   Origem: OASIS br

Impact of the number of failed therapeutic regimes on the development of resist...

Medeiros,Melissa Soares; Arruda,Érico Antônio Gomes; Guerrant,Richard Littleton; Brown,Christopher Cooley; Lima,Aldo Ângelo Moreira

Highly-potent antiretroviral therapy is necessary to avoid viral replication in HIV patients; however, it can favor the appearance of resistance mutations. The mutations 41L, 67N, 70R, 210W, 215Y/F, 219E/Q, 44D and 118I are defined as nucleoside analogous mutations (NAMs), because they affect the efficacy of all nucleoside reverse transcriptase inhibitors (NRTI). The mutation most frequently associated with non...

Data: 2007   |   Origem: OASIS br

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Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia