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Gingiva-derived mesenchymal stromal cells (GMSCs) have been considered as a promising alternative strategy for periodontal regeneration based on their potential for multilineage differentiation in vitro and the ability to form new bone in vivo. In order to investigate the capacity of GMSCs for periodontal regeneration and the fate of GMSCs during(More)
Recently, a genome-wide association study has indicated associations between single nucleotide polymorphisms in the Collagen Type XXVII Alpha 1 gene (COL27A1) and Tourette syndrome in several ethnic populations. To clarify the global relevance of the previously identified SNPs in the development of Tourette syndrome, the associations between polymorphisms(More)
OBJECTIVES Periodontal ligament stem cells (PDLSCs) are characterized by having multipotential differentiation and immunoregulatory properties, which are the main mechanisms of PDLSCs-mediated periodontal regeneration. Periodontal or bone regeneration requires coordination of osteoblast and osteoclast, however, very little is known about the interactions(More)
The aim of this study was to evaluate the effects of chitosan and quaternized chitosan (HTCC) modulate IL-1β and TNF-α in LPS-stimulated human periodontal ligament cells (HPDLCs). MTT assay revealed that chitosan stimulated the proliferation of HPDLCs. However, HTCC inhibited the proliferation of HPDLCs at concentrations of 1000 and 100 μg/mL more than the(More)
Mechanical strain is a key contributor in the pathogenesis of hypertrophic scarring, whose optimal stretch magnitudes to initiate the differentiation of normal skin fibroblasts into aberrant fibroblasts phenotype remains largely unresolved. Influence of varying cyclic strain magnitudes on cultured human normal skin fibroblasts and its transformation into(More)
Regeneration of alveolar bone is among the main purposes of periodontal treatment. However, it is a challenge for both dentists and patients. An injectable chitosan-based thermosensitive hydrogel scaffold (CS/CSn-GP) was successfully designed and prepared with the incorporation of bone morphogenetic protein-2 plasmid DNA (pDNA-BMP2)-loaded chitosan(More)
OBJECTIVE Multiple evidence suggests an involvement of the dopamine neurotransmitter system in Obsessive-compulsive disorder (OCD). Therefore, we explore the association of 3'UTR region of 40 bp variable tandem repeat (VNTR) polymorphism in Dopamine Transporter Gene (DAT1) in Chinese Han population. METHODS A total of 305 OCD patients and 435 healthy(More)
OBJECTIVE To explore the reaction of normal skin fibroblasts from different sites of human body to cyclic stretch. METHODS The normal skin tissues from scapular upper back and medial side of upper arm of 3 patients were cultured in vitro. Fibroblasts of experimental group were loaded by cyclic stretch with 10% amplitude for 24, 36, and 48 hours(More)
Mechanical stimulation is highly associated with pathogenesis of human hypertrophic scar. Although much work has focused on the influence of mechanical stress on fibroblast populations from various tissues and organs in the human body, their effects on cultured dermal fibroblasts by the area of the body have not been as well studied. In this study, cultures(More)
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