Reagents and instruments	Company
DMEM/F-12 medium, fetal bovine serum (FBS)	Thermo, USA
β-glycerophosphate, dexamethasone, ascorbic acid, Recombinant human CGRP, sodium alginate	Sigma USA
Trypsin, collagenase type I, MTT cell proliferation and cytotoxicity detection kit	Beyotime institute of Biotechnology
Rabbit Anti-CD44/CD45	Beijing Biosynthesis Biotechnology CO., Ltd.
FITC-labeled Goat anti-rabbit IgG	Beijing ZSGB-BIO
ALP kit, ALP staining kit, Calcium assay kit	Nanjing Jiangcheng Bioengineering Institute
Total RNA extraction kit, RT kit, PCR reaction liquid	TIANGEN BIOTECH (Beijing) CO., LTD
Laminar flow hood	Suzhou Purification Equipment Co., LTD
Phase-contrast microscope	Olympus Optical Co., Ltd
Enzyme-linked immunosorbent assays	Toshiba (Japan) Co., Ltd.
Fluorescence microscopy	Nikon (Japan) Co., Ltd.
PCR Instrument	MJ Research Co., Ltd.
UV Gel imaging system	Alpha Innotech Co., Ltd.