Results 41 to 50 of about 84,180 (270)

A Revised Model for Muscarine Biosynthesis Involving Lysine Trimethylation

Angewandte Chemie, EarlyView.
The fatal mushroom toxin l‐(+)‐muscarine is one of the most prominent natural products. We elucidated its biosynthetic origin in the sweating mushroom Collybia rivulosa based on incorporation of stable isotope‐labeled compounds and extensive mass spectrometric analyses.
Sebastian Dörner, Kai Rogge, Felix Trottmann, Christian Hertweck, Dirk Hoffmeister   +4 more
wiley   +2 more sources

Intrinsic Gating Properties of a Cloned G Protein-activated Inward Rectifier K^+ Channel [PDF]

, 1995
The voltage-, time-, and K^+-dependent properties of a G protein-activated inwardly rectifying K^+ channel (GIRK1/KGA/Kir3.1) cloned from rat atrium were studied in Xenopus oocytes under two-electrode voltage clamp. During maintained G protein activation
Davidson, Norman, Doupnik, Craig A., Kofuji, Paulo, Lester, Henry A., Lim, Nancy F.   +4 more
core   +1 more source

The Forefront for Novel Therapeutic Agents Based on the Pathophysiology of Lower Urinary Tract Dysfunction: Bladder Selectivity Based on In Vivo Drug–Receptor Binding Characteristics of Antimuscarinic Agents for Treatment of Overactive Bladder

Journal of Pharmacological Sciences, 2010
We have reviewed the binding of antimuscarinic agents, used to treat urinary dysfunction in patients with overactive bladder, to muscarinic receptors in target and non-target tissues in vivo.
Akira Yoshida, Tomomi Fujino, Shuji Maruyama, Yoshihiko Ito, Yuko Taki, Shizuo Yamada   +5 more
doaj   +1 more source

Dopamine D_2-receptor activation elicits akinesia, rigidity, catalepsy, and tremor in mice expressing hypersensitive 4 nicotinic receptors via a cholinergic-dependent mechanism [PDF]

, 2010
Recent studies suggest that high-affinity neuronal nicotinic acetylcholine receptors (nAChRs) containing α4 and β2 subunits (α4β2*) functionally interact with G-protein-coupled dopamine (DA) D_2 receptors in basal ganglia.
Andrew R. Tapper, Bruce N. Cohen, Coward D. M., Franklin K. B. J., Henry A. Lester, Herwig Just, Janssen P. A., Lester H. A., Mercuri N. B., Outi Salminen, Paul D. Gardner, Paul Whiteaker, Raz A., Rubing Zhao-Shea, Salminen O., Sharon R. Grady, Sotnikova T. D., Tapper A. R., Tristan McClure-Begley   +18 more
core   +3 more sources

Additive interaction of intrathecal ginsenosides and neostigmine in the rat formalin test [PDF]

Korean Journal of Anesthesiology, 2013
BackgroundThe authors evaluated the effect of intrathecal mixture of ginsenosides with neostigmine on formalin-induced nociception and made further clear the role of the spinal muscarinic (M) receptors on the activity of ginsenosides.MethodsA catheter ...
Cheon-Hee Park, Park-Ne Kim, Seong-Heon Lee, Myung Ha Yoon   +3 more
doaj   +1 more source

Antispasmodic Effect of Valeriana pilosa Root Essential Oil and Potential Mechanisms of Action: Ex Vivo and In Silico Studies

Pharmaceutics, 2023
Infusions of Valeriana pilosa are commonly used in Peruvian folk medicine for treating gastrointestinal disorders. This study aimed to investigate the spasmolytic and antispasmodic effects of Valeriana pilosa essential oil (VPEO) on rat ileum.
Roberto O. Ybañez-Julca, Ricardo Pino-Ríos, Iván M. Quispe-Díaz, Daniel Asunción-Alvarez, Edwin E. Acuña-Tarrillo, Elena Mantilla-Rodríguez, Patricia Minchan-Herrera, Marcelo A. Catalán, Liz Zevallos-Escobar, Edison Vásquez-Corales, Osvaldo Yáñez, Wilfredo O. Gutiérrez-Alvarado, Julio Benites   +12 more
doaj   +1 more source

Mir-34a-5p Mediates Cross-Talk between M2 Muscarinic Receptors and Notch-1/EGFR Pathways in U87MG Glioblastoma Cells: Implication in Cell Proliferation [PDF]

, 2018
Glioblastoma (GBM) is the most aggressive human brain tumor. The high growth potential and decreased susceptibility to apoptosis of the glioma cells is mainly dependent on genetic amplifications or mutations of oncogenic or pro-apoptotic genes ...
Bevilacqua, Valeria, Caffarelli, Elisa, De Jaco, Antonella, Di Bari, Maria, Laneve, Pietro, Piovesana, Roberta, Talora, Claudio, Tata, Ada Maria, Trobiani, Laura   +8 more
core   +2 more sources

The effects of kindling during pregnancy on long-term potentiation (LTP) induction and M1 muscarinic acetylcholine receptors in male rat offspring

Research in Pharmaceutical Sciences, 2023
Background and purpose: Neonates of pregnant women with epilepsy may compromise normal neurodevelopment and hippocampal morphology. Memory and learning disorders and a decrease in verbal IQ scores are seen in these children later in life. In the previous
Ali Pourmotabbed, Razieh Naghizadeh, Farshad Moradpour, Mozhgan Veisi, Seyed Ershad Nedaei, Fatemeh Zarei, Zahra Salimi   +6 more
doaj   +1 more source

Deconvolution of complex G protein-coupled receptor signaling in live cells using dynamic mass redistribution measurements [PDF]

, 2010
Label-free biosensor technology based on dynamic mass redistribution (DMR) of cellular constituents promises to translate GPCR signaling into complex optical 'fingerprints' in real time in living cells.
Blattermann, S, Drewke, C., Gomeza, J., Hennen, S., Janssen, N., Kebig, A., Kostenis, E., Merten, N., Milligan, G., Mohr, K., Mohr-Andra, M., Muller, A., Schmidt, J., Schroder, R., Smith, N.J., Wenzel, J., Zahn, S.   +16 more
core   +1 more source

Bitopic binding mode of an M1 muscarinic acetylcholine receptor agonist associated with adverse clinical trial outcomes [PDF]

, 2018
The realisation of the therapeutic potential of targeting the M1 muscarinic acetylcholine receptor (M1 mAChR) for the treatment of cognitive decline in Alzheimer's disease has prompted the discovery of M1 mAChR ligands showing efficacy in alleviating ...
Bradley, Sophie J., Broad, Lisa M., Brooke, Simon M., Bundgaard, Christoffer, Christopoulos, Arthur, Crabtree, Michael D., Dwomoh, Louis, Felder, Christian C., Langmead, Christopher J., Mogg, Adrian J., Molloy, Colin, Sanger, Helen E., Sexton, Patrick M., Thompson, Karen J., Tobin, Andrew B.   +14 more
core   +1 more source