## Background: Immunoreactivity for chromogranin a (cg a) is associated with the presence of neurosecretory granules in tumor cells, but immunohistochemical staining for cg a may be absent in small cell lung carcinoma (sclc), which has only a few secretory granules. localization of cg a mrna is a u
A reliable method for the use of oligonucleotides as probes in blot-hybridization experiments
β Scribed by Jean Paquette; Carmen Sapienza
- Publisher
- Springer-Verlag
- Year
- 1992
- Tongue
- English
- Weight
- 459 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0938-8990
No coin nor oath required. For personal study only.
β¦ Synopsis
We have developed a ligation and specific-primer radiolabeling method that allows the use of oligonucleotides as probes in blot-hybridization experiments. The major advantage of the protocol is that standard hybridization and washing conditions may be used and yield high signals and low background. The observed increase in the stability and intensity of the hybridization signals appears to result from both increased length and specific radioactivity of the hybridization probe.
π SIMILAR VOLUMES
W e read with great interest the article by Sumiyoshi et al., 1 in which the authors report that the detection of chromogranin A (Cg A) mRNA using a new in situ hybridization method is far more sensitive than immunohistochemistry. In their series, 100% of 20 small cell carcinoma (SCLC) cases were po