Results 61 to 70 of about 165,902 (383)

Hydrophilic interaction liquid chromatography coupled to quadrupole-time-of-flight mass spectrometry for determination of nuclear and cytoplasmatic contents of nucleotides, nucleosides and their nucleobases in food yeasts

Talanta Open, 2021
Hydrophilic interaction liquid chromatography using a zwitterionic phase, coupled with high-resolution mass spectrometry based on quadrupole and time-of-flight mass analyser (HILIC-Q-TOF-MS) is applied for the determination of four nucleobases (adenine ...
Marta Pastor-Belda, Inmaculada Fernández-Caballero, Natalia Campillo, Natalia Arroyo-Manzanares, Manuel Hernández-Córdoba, Pilar Viñas   +5 more
doaj  

Effect of dietary fluorine from Araxá rock phosphate on the hepatic production of cyclic-adenosine monophosphate in broilers

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 1999
The cyclic adenosine 3’, 5’-monophosphate (cAMP) production was evaluated in liver thin sections of broiler chicks fed on a experimental diet containing bicalcium phosphate or Araxá rock phosphate (ARP) as source of P, with a high content of fluorine, at
M.J.M. Rezende, J.A.F. Veloso, R.M.M. Turchetti-Maia   +2 more
doaj   +1 more source

The origin, hormonal nature, and action of hepatotrophic substances in portal venous blood [PDF]

, 1973
The hepatotrophic factors previously reported to be in splanchnic venous blood are pancreatic hormones and specifically insulin and glucagon. Of these, insulin is anabolic and glucagon is mainly catabolic but not exclusively so, since glucagon also has ...
Brown, TH, Francavilla, A, Francavilla, FR, Halgrimson, CG, Porter, KA, Putnam, CW, Starzl, TE   +6 more
core  

β-Adrenergic Receptor Activation Inhibits Keratinocyte Migration via a Cyclic Adenosine Monophosphate-independent Mechanism [PDF]

, 2002
There is increasing evidence that G-protein-coupled receptors cross-talk with growth factor receptor-mediated signal transduction in a variety of cell types.
Chen, Jin, Hoffman, Brian B., Rivkah Isseroff, R.   +2 more
core   +1 more source

α‐Synuclein Pathology Spreads in a Midbrain–Hindbrain Assembloid Model

Advanced Science, EarlyView.
A novel midbrain–hindbrain assembloid model demonstrates the spread of α‐synuclein pathology, a hallmark of Parkinson's disease, mimicking Braak's hypothesis. This model reveals how pathology propagates from the hindbrain to the midbrain, inducing synaptic changes and early signs of neuronal vulnerability. It offers an innovative platform for exploring
Gemma Gomez‐Giro, Daniela Frangenberg, Daniela Vega, Alise Zagare, Kyriaki Barmpa, Paul M. A. Antony, Graham Robertson, Rahman Sabahi‐Kaviani, Kristian Haendler, Nathalie Kruse, Florentia Papastefanaki, Rebecca Matsas, Malte Spielmann, Regina Luttge, Jens C. Schwamborn   +14 more
wiley   +1 more source

Defining the Biologically Plausible Taxonomic Domain of Applicability of an Adverse Outcome Pathway: A Case Study Linking Nicotinic Acetylcholine Receptor Activation to Colony Death

Environmental Toxicology and Chemistry, Volume 42, Issue 1, Page 71-87, January 2023., 2023
Abstract For the majority of developed adverse outcome pathways (AOPs), the taxonomic domain of applicability (tDOA) is typically narrowly defined with a single or a handful of species. Defining the tDOA of an AOP is critical for use in regulatory decision‐making, particularly when considering protection of untested species.
Marissa A. Jensen, Donovan J. Blatz, Carlie A. LaLone   +2 more
wiley   +1 more source

The low KM-phosphodiesterase inhibitor denbufylline enhances neuronal excitability in guinea pig hippocampus in vitro [PDF]

, 1990
The actions of the phosphodiesterase inhibitor denbufylline on the excitability of hippocampal neurons were investigated by means of extracellular and intracellular recordings.
Alzheimer, Christian, Ameri, A., Sutor, Bernd, Ten Bruggencate, Gerrit   +3 more
core   +1 more source

Chemotherapy‐Mediated Induction of PD‐L1 via SEI1 Facilitates Myeloma Immune Evasion

Advanced Science, EarlyView.
Chemotherapy induces DNA damage, activating cyclic guanosine monophosphate (GMP)‐adenosine monophosphate (AMP) synthase (cGAS)/stimulator of interferon genes (STING), which phosphorylates interferon regulatory factor 7 (IRF7) to drive SERTA‐containing domain 1 (SEI1) transcription.
Rui Chen, Zongwei Li, Zhihong Fang, Zou Li, Daoyan Yang, Yuan Li, Shurong Liu, Zhiqiang Liu, Rui Liu, Huan Liu   +9 more
wiley   +1 more source

Adenosine monophosphate–activated protein kinase in diabetic nephropathy

Kidney Research and Clinical Practice, 2016
Diabetic nephropathy (DN) is the leading cause of end-stage renal disease, and its pathogenesis is complex and has not yet been fully elucidated. Abnormal glucose and lipid metabolism is key to understanding the pathogenesis of DN, which can develop in ...
Yaeni Kim, Cheol Whee Park
doaj   +1 more source

Implantable Self‐Powered Systems for Electrical Stimulation Medical Devices

Advanced Science, EarlyView.
In this paper, the design strategy and clinical application of ISS are discussed in depth from four aspects: the design and optimization of the energy collection module, the selection and preparation of adaptive electrode materials, the innovation of system design strategy, and the biological effect of electrical stimulation of ISS.
Xi Cui, Li Wu, Chao Zhang, Zhou Li
wiley   +1 more source