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biological source

human nerve

growth mode

Not specified


Not specified




Not specified


Not specified


cell culture | mammalian: suitable

relevant disease(s)


shipped in

dry ice

storage temp.


Related Categories

Cell Line Origin

Human Neural Crest-Derived Non-Neuronal Progenitor

Cell Line Description

LA1-5s is a clonal subline of the cell line LA-N-1 which was established by Seeger et al., (1977) from the primary site of a noncatecholamine-producing neuroblastoma of a 3-year-old female with clinical Stage IV neuroblastoma. The LA1-5s culture consists of large, flat, and tightly adherent cells. They are precursors of Schwann cell/glia/melanocyte lineages arising from the neural crest. This cell line is not tumourigenic in nude mice at a 1,000,000 cell inoculum. The cells can transdifferentiate to a neuroblastic phenotype. The N-myc gene has been reported to be amplified but exhibits very low expression.

LA-N-1 (Sigma catalog number 06041201), LA1-55n (Sigma catalog number 06041203) and LA1-5s (Sigma catalog number 06041204) have been shown to originate from the same patient by STR profiling.

Culture Medium

EMEM (with non-essential amino acids) and Ham′s F12 (1:1 mixture) + 2 mM Glutamine + 10% Fetal Bovine Serum (FBS)

Subculture Routine

For routine maintenance, split cultures every 2-3 weeks at a 1:10 to 1:100 ratio; 8% CO2; 37 °C. The cells are large, flat, fibroblast-like cells that adhere strongly to the substrate. They form a swirling monolayer with no mounding or multilayering when in culture for only a short time, but will increase in density in the stationary phase as the culture is maintained. The cells can be removed from the substrate by rinsing with PBS, then incubating with EDTA/trypsin (at room temperature). Cells will detach in 5-10 minutes. Cells will reattach within several hours after seeding into a new flask. Population doubling time is approximately 2 days. Cells grow best and are most adherent on a plastic substrate in medium at a pH of 6.9-7.2; they do not tolerate more alkaline pH well. Cultures hold well at high density with periodic medium changes, but may also give rise to neuroblastic variants.

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