Legume lectin FRIL preserves neural progenitor cells in suspension culture in vitro

Hailei Yao, Xiaoyan Xie, Yanhua Li, Dongmei Wang, Shu Han, Shuangshuang Shi, Xue Nan, Cixian Bai, Yunfang Wang, Xuetao Pei*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


In vitro maintenance of stem cells is crucial for many clinical applications. Stem cell preservation factor FRIL (Flt3 receptor-interacting lectin) is a plant lectin extracted from Dolichos Lablab and has been found preserve hematopoietic stem cells in vitro for a month in our previous studies. To investigate whether FRIL can preserve neural progenitor cells (NPCs), it was supplemented into serum-free suspension culture media. FRIL made NPC grow slowly, induced cell adhesion, and delayed neurospheres formation. However, FRIL did not initiate NPC differentiation according to immunofluorescence and semiquantitive RT-PCR results. In conclusion, FRIL could also preserve neural progenitor cells in vitro by inhibiting both cell proliferation and differentiation.

Original languageEnglish (US)
Article number531317
JournalClinical and Developmental Immunology
StatePublished - 2008
Externally publishedYes

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology


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