AA	Ascorbic acid
α-SMA	Alpha smooth muscle actin
COLLs	Collagens
COLLI-fs	COLLI-fragments
CM	Conditioned media
C-CM	Control cells-derived conditioned media
DAMPs	Damage-associated molecular patterns
DEPs	Differentially expressed proteins
doxy	Doxycycline
ER	Endoplasmic reticulum
MEM	Earle’s modified Eagle medium
ECM	Extracellular matrix
EVs	Extracellular vesicles
FDR	False discovery rate
FN	Fibronectin
FN-fs	FN-fragments
GO	Gene Ontology
HCTD	Heritable connective tissue disorder
hEDS	Hypermobile Ehlers-Danlos syndrome
hEDS-CM	hEDS cells-derived conditioned media
IF	Immunofluorescence microscopy
JHM	Joint hypermobility
LC-MS/MS	Liquid chromatography with tandem mass spectrometry
MMPs	Matrix metalloproteinases
OA	Osteoarthritis
RA	Rheumatoid arthritis
TNs	Tenascins
TNs-fs	TNs-fragments
TIMPs	Tissue inhibitor of metalloproteinases
WB	Western blotting