Publication Title: 
Journal of Endodontics

INTRODUCTION: Dental pulp stem cells (DPSCs) have received much attention as a promising population of stem cells in regenerative endodontics. Securing a good blood supply during regeneration is a challenging task because of the constricted apical canal opening, which allows only a limited blood supply. The aim of this study was to investigate any potential synergistic effects of dental pulp stem cells and endothelial cells (ECs) on osteo-/odontogenic and angiogenic differentiation in vitro.

Dissanayaka, Waruna Lakmal
Zhan, Xuan
Zhang, Chengfei
Hargreaves, Kenneth M.
Jin, Lijian
Tong, Edith H. Y.
Publication Title: 
Stem Cells (Dayton, Ohio)

Mesenchymal stem cells (MSCs) exhibit immune-suppressive properties, follow a pattern of multilineage differentiation, and exhibit transdifferentiation potential. Ease in expansion from adult bone marrow, as well as its separation from ethical issues, makes MSCs appealing for clinical application. MSCs treated with retinoic acid resulted in synaptic transmission, based on immunostaining of synaptophysin and electrophysiological studies. In situ hybridization indicated that the neurotransmitter gene preprotachykinin-I was expressed in these cells.

Cho, Kyung Jin
Trzaska, Katarzyna A.
Greco, Steven J.
McArdle, Joseph
Wang, Fu Shun
Ye, Jiang-Hong
Rameshwar, Pranela
Publication Title: 
The Journal of Investigative Dermatology

Wound healing is a complicated biological process that involves interactions of multiple cell types, various growth factors, their mediators, and the extracellular matrix proteins. In this study, we have studied the differential regulation of angiogenic genes during wound healing in transgenic (Lepr -/-) diabetic mice and non-diabetic mice. Under aseptic conditions, 8 mm full thickness cutaneous wounds were created on either side of the mid-dorsal. Wound tissues were studied at 4, 7, and 11 days post-wounding and healing was assessed by histology.

Sharma, Anuj
Singh, Anoop K.
Warren, James
Thangapazham, Rajesh L.
Maheshwari, Radha K.
Publication Title: 
Journal of Immunology (Baltimore, Md.: 1950)

T cell recruitment into inflamed skin is dependent on skin-homing receptor binding to endothelial (E)- and platelet (P)-selectin. These T cell receptors, or E- and P-selectin ligands, can be targeted by the metabolic fluorosugar inhibitor, 4-F-GlcNAc, to blunt cutaneous inflammation. Compelling new data indicate that, in addition to T cells, NK cells are also recruited to inflamed skin in allergic contact hypersensitivity (CHS) contingent on E- and P-selectin-binding.

Gainers, Madeliene E.
Descheny, Leyla
Barthel, Steven R.
Liu, Luzheng
Wurbel, Marc-André
Dimitroff, Charles J.
Publication Title: 
Proceedings of the National Academy of Sciences of the United States of America

How cancer cells bind to vascular surfaces and extravasate into target organs is an underappreciated, yet essential step in metastasis. We postulate that the metastatic process involves discrete adhesive interactions between circulating cancer cells and microvascular endothelial cells. Sialyl Lewis X (sLe(X)) on prostate cancer (PCa) cells is thought to promote metastasis by mediating PCa cell binding to microvascular endothelial (E)-selectin. Yet, regulation of sLe(X) and related E-selectin ligand expression in PCa cells is a poorly understood factor in PCa metastasis.

Barthel, Steven R.
Wiese, Georg K.
Cho, Jaehyung
Opperman, Matthew J.
Hays, Danielle L.
Siddiqui, Javed
Pienta, Kenneth J.
Furie, Bruce
Dimitroff, Charles J.
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