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1. An integrin from oyster Crassostrea gigas mediates the phagocytosis toward Vibrio splendidus through LPS binding activity

Author:
Jiang, Shuai,   et al.   ; Jia, Zhihao; Zhang, Tao; Wang, Mengqiang; Cheng, Qi; Sun, Mingzhe; Wang, Lingling; Song, Linsheng;     Show all 8 Authors
Source:
Developmental and comparative immunology 2015 v.53 no.1 pp. 253-264
ISSN:
0145-305X
Subject:
Crassostrea gigas; Gram-negative bacteria; Gram-positive bacteria; Staphylococcus aureus; Vibrio splendidus; amino acids; apoptosis; binding capacity; cell adhesion; complementary DNA; dissociation; dose response; gene expression; hemocytes; hepatopancreas; integrins; latex; lipopolysaccharides; messenger RNA; muscles; open reading frames; oysters; peptidoglycans; phagocytosis; polyclonal antibodies; polypeptides
Abstract:
... Integrins are a family of cell adhesion molecules which play important roles in the regulation of cell adhesion, migration, proliferation, apoptosis and phagocytosis. In the present study, the immune function of an integrin from the oyster Crassostrea gigas (designated CgIntegrin) was characterized to understand the regulatory mechanism of hemocyte phagocytosis toward different microbes. The full- ...
DOI:
10.1016/j.dci.2015.07.014

2. A C1q domain containing protein from Crassostrea gigas serves as pattern recognition receptor and opsonin with high binding affinity to LPS

Author:
Jiang, Shuai,   et al.   ; Li, Hui; Zhang, Daoxiang; Zhang, Huan; Wang, Lingling; Sun, Jinsheng; Song, Linsheng;     Show all 7 Authors
Source:
Fish & shellfish immunology 2015 v.45 no.2 pp. 583-591
ISSN:
1050-4648
Subject:
Crassostrea gigas; Escherichia coli; Gram-negative bacteria; Vibrio splendidus; affinity chromatography; amino acids; binding capacity; complement; enzyme-linked immunosorbent assay; genes; hemocytes; hepatopancreas; humans; messenger RNA; muscles; oysters; pathogens; phagocytosis; polypeptides; receptors; topology
Abstract:
... C1q proteins serve as pattern recognition receptors and involve in the pathogen recognition and complement pathway activation. In the present study, a novel C1q domain containing protein from Crassostrea gigas (designated CgC1qDC-1) was isolated by liposaccharide-Sepharose 6B affinity chromatography. The coding sequence of CgC1qDC-1 gene was determined by performing a homologous search of eight tr ...
DOI:
10.1016/j.fsi.2015.05.021

3. A single-CRD C-type lectin from oyster Crassostrea gigas mediates immune recognition and pathogen elimination with a potential role in the activation of complement system

Author:
Jiang, Shuai,   et al.   ; Li, Hui; Zhang, Huan; Wang, Weilin; Xin, Lusheng; Wang, Hao; Wang, Lingling; Song, Linsheng;     Show all 8 Authors
Source:
Fish & shellfish immunology 2015 v.44 no.2 pp. 566-575
ISSN:
1050-4648
Subject:
Crassostrea gigas; Gram-negative bacteria; Gram-positive bacteria; Staphylococcus aureus; Vibrio anguillarum; Vibrio splendidus; amino acid sequences; amino acids; binding capacity; complement; gene expression; hemocytes; lectins; lipopolysaccharides; messenger RNA; oysters; pathogens; peptidoglycans; phagocytosis; receptors; tissues
Abstract:
... C-type lectins (CTLs), serving as pattern recognition receptors (PRRs), are a superfamily of Ca2+-dependent carbohydrate-recognition proteins that participate in nonself-recognition and pathogen elimination. In the present study, a single carbohydrate-recognition domain (CRD) CTL was identified from oyster Crassostrea gigas (designated as CgCLec-2). There was only one CRD within the deduced amino ...
DOI:
10.1016/j.fsi.2015.03.011

4. The immunomodulation mediated by a delta-opioid receptor for [Met5]-enkephalin in oyster Crassostrea gigas

Author:
Jiang, Shuai,   et al.   ; Liu, Zhaoqun; Zhou, Zhi; Wang, Lingling; Wang, Weilin; Zhang, Ran; Song, Linsheng;     Show all 7 Authors
Source:
Developmental and comparative immunology 2015 v.49 no.2 pp. 217-224
ISSN:
0145-305X
Subject:
Crassostrea gigas; G-protein coupled receptors; amino acids; antagonists; antibacterial properties; calcium; complementary DNA; cyclic AMP; gills; hemocytes; hepatopancreas; homeostasis; immune response; immunocytes; immunomodulation; kidneys; ligands; messenger RNA; muscles; narcotics; oysters; pathogens; second messengers
Abstract:
... Opioid receptors (OR) are a group of G protein-coupled receptors with opioids as ligands, which play an important role in triggering the second messengers to modulate immune response in vertebrate immunocytes. In the present study, the full length cDNA of a homologue of δ-opioid receptor (DOR) for [Met5]-enkaphalin was cloned from oyster Crassostrea gigas (designated as CgDOR), which was 1104 bp e ...
DOI:
10.1016/j.dci.2014.11.017