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Molecular and neural basis of contagious itch behavior in mice
Yu Y-Q, Barry DM, Hao Y, Liu X-T, Chen Z-F (2017) Molecular and neural basis of contagious itch behavior in mice. Science 355:1072. doi: 10.1126/science.aak9748
Summary: The authors selectively ablated the SCN gastrin-releasing peptide receptor (GRPR) neurons using Bombesin-SAP (Cat. #IT-40), a peptide-conjugated toxin that kills GRPR neurons in the spinal cord. After bilateral injection of Bombesin-SAP into the SCN, immunohistochemistry showed that Bombesin-SAP injection resulted in ablation of SCN GRPR+ neurons.
Related Products: Bombesin-SAP (Cat. #IT-40)
Sigma-1 (σ1) receptor in memory and neurodegenerative diseases
Maurice T, Goguadze N (2017) Sigma-1 (σ1) receptor in memory and neurodegenerative diseases. Handb Exp Pharmacol 244:81-108. doi: 10.1007/164_2017_15
Related Products: 192-IgG-SAP (Cat. #IT-01)
C-terminal phosphorylation regulates the kinetics of a subset of melanopsin-mediated behaviors in mice.
Somasundaram P, Wyrick G, Fernandez D, Ghahari A, Pinhal C, Simmonds Richardson M, Rupp A, Cui L, Wu Z, Brown R, Badea T, Hattar S, Robinson P (2017) C-terminal phosphorylation regulates the kinetics of a subset of melanopsin-mediated behaviors in mice. Proc Natl Acad Sci U S A 114:2741-2746. doi: 10.1073/pnas.1611893114 PMID: 28223508
Summary: The authors show that the melanopsin photoresponse shutoff due to C-terminal phosphorylation determines the kinetics of the intrinsic light response in ipRGCs, the PLR, and reentrainment, but not masking and phase angle of entrainment. Immunofluorescence was performed using rabbit Anti-Melanopsin (1:1,000, Cat. #AB-N38) as the primary antibody with a 2-d incubation period, followed by goat anti-rabbit IgG 488 as the secondary antibody.
Related Products: Melanopsin Rabbit Polyclonal (Cat. #AB-N38)
Identifying the appropriate time for deep brain stimulation to achieve spatial memory improvement on the Morris water maze.
Jeong D, Lee J, Chang W, Chang J (2017) Identifying the appropriate time for deep brain stimulation to achieve spatial memory improvement on the Morris water maze. BMC Neuroscience 18:29.. doi: 10.1186/s12868-017-0345-4
Summary: This study was performed to determine the stage of memory affected by medial septum deep brain stimulation (MS-DBS). Memory impairment due to cholinergic denervation can be improved by DBS. The improvement is significantly correlated with the up-regulation of BDNF expression and neurogenesis. Based on the results of this study, the use of MS-DBS during the early stage of disease may restore spatial memory impairment.
Usage: Rats were injected bilaterally with 8 μl of 192-IgG-SAP (0.63 μg/μl) at the cerebroventricle.
Related Products: 192-IgG-SAP (Cat. #IT-01)
Blocking microglial pannexin-1 channels alleviates morphine withdrawal in rodents
Burma NE, Bonin RP, Leduc-Pessah H, Baimel C, Cairncross ZF, Mousseau M, Shankara JV, Stemkowski PL, Baimoukhametova D, Bains JS, Antle MC, Zamponi GW, Cahill CM, Borgland SL, De Koninck Y, Trang T (2017) Blocking microglial pannexin-1 channels alleviates morphine withdrawal in rodents. Nat Med 23:355-360.. doi: 10.1038/nm.4281
Summary: The authors investigated the mechanisms underlying opiate withdrawal in rat. Depletion of spinal lumbar microglia by intrathecal injections of Mac-1–SAP (Cat. #IT-33; 20 mcg) decreased withdrawal behaviors and attenuated the severity of withdrawal without affecting morphine antinociception. Unconjugated Saporin (Cat. #PR-01; 20 mcg) was used as control and had no effect on spinal CD11b immunoreactivity or naloxone-induced morphine withdrawal.
Related Products: Mac-1-SAP rat (Cat. #IT-33), Saporin (Cat. #PR-01)
Plasticity of central and peripheral sources of noradrenaline in rats during ontogenesis.
Bondarenko N, Dilmukhametova L, Kurina A, Murtazina A, Sapronova A, Sysoeva A, Ugrumov M (2017) Plasticity of central and peripheral sources of noradrenaline in rats during ontogenesis. Biochemistry (Mosc) 82:373-379.. doi: 10.1134/S0006297917030166
Related Products: Anti-DBH-SAP (Cat. #IT-03)
Coordinated generation of multiple ocular-like cell lineages and fabrication of functional corneal epithelial cell sheets from human iPS cells
Hayashi R, Ishikawa Y, Katori R, Sasamoto Y, Taniwaki Y, Takayanagi H, Tsujikawa M, Sekiguchi K, Quantock AJ, Nishida K (2017) Coordinated generation of multiple ocular-like cell lineages and fabrication of functional corneal epithelial cell sheets from human iPS cells. Nat Protoc 12:683-696. doi: 10.1038/nprot.2017.007 PMID: 28253236
Usage: IHC 1:100
Related Products: NGFr (ME20.4, p75) Mouse Monoclonal (Cat. #AB-N07)
Lipid mapping of the rat brain for models of disease.
Martínez-Gardeazabal J, González de San Román E, Moreno-Rodríguez M, Llorente-Ovejero A, Manuel I, Rodríguez-Puertas R (2017) Lipid mapping of the rat brain for models of disease. Biochim Biophys Acta Biomembr 1859:1548-1557.. doi: 10.1016/j.bbamem.2017.02.011
Objective: To map the spatial distribution of different lipid species in the rat central nervous system (CNS) using IMS to find a possible relationship between anatomical localization and physiology. The data obtained were subsequently applied to a model of neurological disease, the 192IgG-saporin lesion model of memory impairment.
Summary: The specific distribution of different lipids supports their involvement not only in structural and metabolic functions but also as intracellular effectors or specific receptor ligands and/or precursors. Moreover, the specific localization in the CNS described here will enable us to analyze lipid distribution to identify their physiological conditions in rat models of neurodegenerative pathologies, such as Alzheimer’s disease.
Usage: 192 IgG-SAP in aCSF (135 ng/1 μl/hemisphere; 0.25 μl/min) was administered.
Related Products: 192-IgG-SAP (Cat. #IT-01)
Chronic lithium treatment in a rat model of basal forebrain cholinergic depletion: Effects on memory impairment and neurodegeneration.
Gelfo F, Cutuli D, Nobili A, De Bartolo P, D’Amelio M, Petrosini L, Caltagirone C (2017) Chronic lithium treatment in a rat model of basal forebrain cholinergic depletion: Effects on memory impairment and neurodegeneration. J Alzheimers Dis 56:1505-1518. doi: 10.3233/JAD-160892 PMID: 28222508
Objective: To evaluate the potential beneficial effects of a chronic lithium treatment in preventing the damage that a basal forebrain cholinergic neurodegeneration provokes.
Summary: The chronic lithium treatment significantly rescued memory performances but did not modulate ChAT availability and caspase-3 activity. The present findings support the lithium protective effects against the cognitive impairment that characterizes the brain cholinergic depletion.
Usage: Neurodegeneration was induced by injecting the immunotoxin 192 IgG-SAP in the medial septum (0.5 ug/side) and nucleus basalis magnocellularis (0.4 ug/side).
Related Products: 192-IgG-SAP (Cat. #IT-01)
Nonamyloidogenic processing of amyloid beta precursor protein is associated with retinal function improvement in aging male APP
Joly S, Lamoureux S, Pernet V (2017) Nonamyloidogenic processing of amyloid beta precursor protein is associated with retinal function improvement in aging male APP. Neurobiol Aging 53:181-191. doi: 10.1016/j.neurobiolaging.2017.02.004 PMID: 28262325
Objective: To determine amyloid beta role in the aging retina in Alzheimer’s Disease
Summary: Retinal-specific processing of amyloid may confer protection against AD and selectively preserve cone-dependent vision during aging.
Usage: Immunohistochemistry 1:1000
Related Products: Melanopsin Rabbit Polyclonal (Cat. #AB-N38)