British journal of pharmacology, 127(5), 1135-1144 (1999-08-24)
This study characterized pharmacologically the functional responses to agonists at human dopamine D2(long) (hD2), D3 (hD3) and D4.4 (hD4) receptors separately expressed in cloned cells using the cytosensor microphysiometer. Dopaminergic receptor agonists caused increases in extracellular acidification rate in adherent
We studied effects of various sigma ligands on GTPase activity in mouse prefrontal membranes. Some representative sigma agonists, such as (+)-pentazocine, SA4503 and (+)-3-PPP, stimulated the GTPase activity in a concentration-dependent manner in ranges of 10 nM to 10 microM.
Several high affinity sigma (sigma) ligands, such as DTG, JO-1784, (+)-pentazocine, BD-737 and L-687,384, administered at low doses act as agonists by potentiating N-methyl-D-aspartate (NMDA)-induced activation of pyramidal neurons in the CA3 region of the rat dorsal hippocampus. This potentiation
Nature chemical biology, 5(10), 765-771 (2009-09-08)
Studies of gene function and molecular mechanisms in Plasmodium falciparum are hampered by difficulties in characterizing and measuring phenotypic differences between individual parasites. We screened seven parasite lines for differences in responses to 1,279 bioactive chemicals. Hundreds of compounds were
Nature chemical biology, 3(5), 268-273 (2007-04-10)
The identification of self-renewing and multipotent neural stem cells (NSCs) in the mammalian brain holds promise for the treatment of neurological diseases and has yielded new insight into brain cancer. However, the complete repertoire of signaling pathways that governs the
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