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2021 Targeting Trends Review
An acetylcholine-dopamine interaction in the nucleus accumbens and its involvement in ethanol’s dopamine-releasing effect.
Loftén A, Adermark L, Ericson M, Söderpalm B (2021) An acetylcholine-dopamine interaction in the nucleus accumbens and its involvement in ethanol’s dopamine-releasing effect. Addict Biol 26(3):e12959. doi: 10.1111/adb.12959
Summary: Basal extracellular levels of dopamine within the nucleus accumbens are not sustained by muscarinic acetylcholine, whereas accumbal Cholinergic interneurons-ACh are involved in mediating ethanol-induced dopamine release.
Usage: Anti-ChAT-SAP or Rabbit IgG-SAP were infused at a flow rate of 0.05 μl/min for 10 min giving a total volume of 0.5 μl.
Related Products: Anti-ChAT-SAP (Cat. #IT-42), Rabbit IgG-SAP (Cat. #IT-35)
Editorial: Toxic plant proteins as experimental drugs for human pathologies
Polito L, Bortolotti M, Iglesias R, Bolognesi A (2021) Editorial: Toxic plant proteins as experimental drugs for human pathologies. Front Pharmacol 12:689924. doi: 10.3389/fphar.2021.689924
Related Products: Saporin (Cat. #PR-01)
Placenta: A gold mine for translational research and regenerative medicine
Pethe P, Kale V (2021) Placenta: A gold mine for translational research and regenerative medicine. Reprod Biol 21(2):100508. doi: 10.1016/j.repbio.2021.100508
Objective: To review recent studies regarding the therapeutic potential of human placenta-derived mesenchymal stromal/stem cells (hPMSCs) and their extracellular vesicles (EVs).
Summary: These studies demonstrate salutary effects of hPMSC-EVs on a range of different difficult-to-treat conditions like Duchenne Muscular Dystrophy, Parkinson’s disease, acute kidney injury, etc., and therefore, it is imperative that these leads should be taken forward to clinical trials.
Usage: 8 µL of 192 IgG-saporin (0.63 µg/µL) were bilaterally injected into the ventricle to induce a dementia rat model.
Related Products: 192-IgG-SAP (Cat. #IT-01)
Medullary noradrenergic neurons mediate hemodynamic responses to osmotic and volume challenges
Marques SM, Naves LM, Silva TME, Cavalcante KVN, Alves JM, Ferreira-Neto ML, de Castro CH, Freiria-Oliveira AH, Fajemiroye JO, Gomes RM, Colombari E, Xavier CH, Pedrino GR (2021) Medullary noradrenergic neurons mediate hemodynamic responses to osmotic and volume challenges. Front Physiol 12:649535. doi: 10.3389/fphys.2021.649535
Summary: The study sought to determine the role of noradrenergic neurons in hypertonic saline infusion (HSI)-induced hemodynamic recovery. Findings show that together the A1 and A2 neurons are essential to HSI-induced cardiovascular recovery in hypovolemia.
Usage: Medullary catecholaminergic neurons were lesioned by nanoinjection of Anti-DBH-SAP (0.105 ng·nl−1) into A1, A2, or both (LES A1; LES A2; or LES A1+A2, respectively). Sham rats received nanoinjections of unconjugated saporin in the same regions.
Related Products: Anti-DBH-SAP (Cat. #IT-03), Saporin (Cat. #PR-01)
Developments in understanding diffuse noxious inhibitory controls: pharmacological evidence from pre-clinical research
Kucharczyk MW, Valiente D, Bannister K (2021) Developments in understanding diffuse noxious inhibitory controls: pharmacological evidence from pre-clinical research. J Pain Res 14:1083-1095. doi: 10.2147/JPR.S258602
Summary: This review discusses the pharmacological manipulation interrogation strategies that have been used to examine the functionality of diffuse noxious inhibitory controls (DNIC) and descending control of nociception (DCN).
Usage: Anti-DBH-SAP is one of the drugs tested to influence DNIC expression. They reference a publication that reported that icv injection of Anti-DBH-SAP abolished DCN expression. Anti-DBH-SAP (5 μg/5 μl) was injected in the left ventricle. Lesion of the LC resulted in failure of DNIC, an effect that mimics what is observed behaviorally after chronic TBI.
Related Products: Anti-DBH-SAP (Cat. #IT-03)
Dissection and surgical approaches to the mouse jugular-nodose ganglia
Han W, de Araujo IE (2021) Dissection and surgical approaches to the mouse jugular-nodose ganglia. STAR Protocols 2(2):100474. doi: 10.1016/j.xpro.2021.100474
Usage: Injected 0.5 µl of CCK-SAP (250 ng/µl) into the R-NG of VGlut2-ires-Cre mice.
Related Products: CCK-SAP (Cat. #IT-31)
For complete details on the use and execution of this protocol, please refer to Han et al.
See Also: Han W et al. A neural circuit for gut-induced reward. Cell 175:665-678, 2018.
Aptamer-driven toxin gene delivery in U87 model glioblastoma cells
di Leandro L, Giansanti F, Mei S, Ponziani S, Colasante M, Ardini M, Angelucci F, Pitari G, d’Angelo M, Cimini A, Fabbrini MS, Ippoliti R (2021) Aptamer-driven toxin gene delivery in U87 model glioblastoma cells. Front Pharmacol 12:588306. doi: 10.3389/fphar.2021.588306
Related Products: Saporin (Cat. #PR-01)
Cholinergic signaling, neural excitability, and epilepsy
Wang Y, Tan B, Wang Y, Chen Z (2021) Cholinergic signaling, neural excitability, and epilepsy. Molecules 26(8):2258. doi: 10.3390/molecules26082258
Summary: In this review, the authors briefly describe the distribution of cholinergic neurons, muscarinic, and nicotinic receptors in the central nervous system and their relationship with neural excitability and epilepsy. intraventricular administration of 192-IgG-SAP, which inhibits cholinergic projection to the hippocampus and cortex respectively, facilitates seizure induced by amygdala kindling
Usage: Ferencz et al. used 192-IgG-SAP (2.5 μg icv) to investigate the effect of eliminating cholinergic projections to the hippocampal formation and cerebral cortex on the induction of epilepsy through electrical stimulation of the rat brain. They determined that the loss of specific projections to the amygdala accelerates development of seizures.
Related Products: 192-IgG-SAP (Cat. #IT-01)
Biomaterials for protein delivery for complex tissue healing responses
Dorogin J, Townsend JM, Hettiaratchi MH (2021) Biomaterials for protein delivery for complex tissue healing responses. Biomater Sci 9(7):2339-2361. doi: 10.1039/d0bm01804j
Related Products: Saporin (Cat. #PR-01)
Striatal cholinergic interneurons exert inhibition on competing default behaviours controlled by the nucleus accumbens and dorsolateral striatum.
Ashkenazi SL, Polis B, David O, Morris G (2021) Striatal cholinergic interneurons exert inhibition on competing default behaviours controlled by the nucleus accumbens and dorsolateral striatum. Eur J Neurosci 53(7):2078-2089. doi: 10.1111/ejn.14873
Objective: To determine whether cholinergic interneurons contribute to the competition between both ventral and dorsolateral control systems.
Summary: Findings indicate a central role of cholinergic interneurons in regulating motivational impact on striatally controlled behaviors.
Usage: Anti-ChAT-SAP was diluted to 0.5 μg/μl in phosphate buffer saline and 0.5 μl were injected in each injection site.
Related Products: Anti-ChAT-SAP (Cat. #IT-42)