CDB15:0000429 DEFB103B — CCR2

Experimentally validated in Human; Orthology-inferred in Macaque, Pig, Dog, Chimp, Horse, Marmoset, Sheep

Title

Journal:; Year Published:

Abstract

Defensin DEFB103 bidirectionally regulates chemokine and cytokine responses to a pro-inflammatory stimulus.

Scientific reports, 2013; PubMed, Homo sapiens DEFB103B — Homo sapiens CCR2
ABSTRACT: Human β defensin DEFB103 acts as both a stimulant and an attenuator of chemokine and cytokine responses: a dichotomy that is not entirely understood. Our predicted results using an in silico simulation model of dendritic cells and our observed results in human myeloid dendritic cells, show that DEFB103 significantly (p < 0.05) enhanced 6 responses, attenuated 7 responses, and both enhanced/attenuated the CXCL1 and TNF responses to Porphyromonas gingivalis hemagglutinin B (HagB). In murine JAWSII dendritic cells, DEFB103 significantly attenuated, yet rarely enhanced, the Cxcl2, Il6, and Csf3 responses to HagB; and in C57/BL6 mice, DEFB103 significantly enhanced, yet rarely attenuated, the Cxcl1, Csf1, and Csf3 responses. Thus, DEFB103 influences pro-inflammatory activities with the concentration of DEFB103 and order of timing of DEFB103 exposure to dendritic cells, with respect to microbial antigen exposure to cells, being paramount in orchestrating the onset, magnitude, and composition of the chemokine and cytokine response.
Basic Information on DEFB103B
Ligand Name: defensin beta 103B
Other Symbols: N/A
Ligand Location: secreted based on perplexity
HGNC Gene Symbol Report: DEFB103B
GeneCards: DEFB103B
HGNC Gene Group: Defensins
Interactions with other Receptors for DEFB103B
Basic Information on CCR2
Receptor Name: C-C motif chemokine receptor 2
Other Symbols: CMKBR2, CC-CKR-2, CKR2, MCP-1-R, CD192, FLJ78302
Receptor Location: cell membrane based on hpa, perplexity, uniprot
HGNC Gene Symbol Report: CCR2
GeneCards: CCR2
HGNC Gene Group: 7TM proteins, CD molecules