2011
DOI: 10.1007/978-1-61779-005-8_8
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Localization of mRNA in Vertebrate Axonal Compartments by In Situ Hybridization

Abstract: The conclusive demonstration of RNA in vertebrate axons by in situ hybridization (ISH) has been elusive. We review the most important reasons for difficulties, including low concentration of axonal RNAs, localization in specific cortical domains, and the need to isolate axons. We demonstrate the importance of axon micro-dissection to obtain a whole mount perspective of mRNA distribution in the axonal territory. We describe a protocol to perform fluorescent ISH in isolated axons and guidelines for the preservat… Show more

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Cited by 5 publications
(4 citation statements)
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“…A fragment (nucleotides 3171–6599) of the chicken Myo5a cDNA (clone 32a, kindly provided by Enilza Espreafico) was cloned into pBluescript SK +/−. ISH was carried out according to Sotelo‐Silveira et al () for axonal whole mounts and Sotelo‐Silveira et al () for sciatic nerves. The plasmid was digested at the HPA site and transcribed using the T7 promoter at the 5′ end.…”
Section: Methodsmentioning
confidence: 99%
“…A fragment (nucleotides 3171–6599) of the chicken Myo5a cDNA (clone 32a, kindly provided by Enilza Espreafico) was cloned into pBluescript SK +/−. ISH was carried out according to Sotelo‐Silveira et al () for axonal whole mounts and Sotelo‐Silveira et al () for sciatic nerves. The plasmid was digested at the HPA site and transcribed using the T7 promoter at the 5′ end.…”
Section: Methodsmentioning
confidence: 99%
“…There is also evidence for the transport of subsets of mRNA traveling down the axon in association with RNA binding and transport proteins such as staufen and fragile X mental retardation protein (Price et al, 2006 ). In addition, both electronmicroscopy and in situ hybridization have revealed discrete ribosomal domains called periaxoplasmic ribosomal plaques (PARPs), distributed at periodic intervals along myelinated vertebrate peripheral axons (Koenig et al, 2000 ; Sotelo-Silveira et al, 2011 ). The weight of evidence, therefore, implies that the machinery for local translation is present in peripheral sensory fibers, particularly A-fibers.…”
Section: Mtorc1 and Primary Afferentsmentioning
confidence: 99%
“…Animals were euthanized by exposure to CO 2 . Sciatic nerves were exposed and excised (Sotelo-Silveira et al, 2011). Segments were cultured in DMEM F12 (GIBCO) and treated with GCA (20 mM).…”
Section: Ex Vivo Treatments Of Sciatic Nervesmentioning
confidence: 99%