Djordje M Grbic

Djordje M Grbic
Immune Biosolutions

Ph.D.

About

15
Publications
1,436
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361
Citations

Publications

Publications (15)
Article
BACKGROUND: Carcinogenesis is a complex process induced by various genetic mutations, which is characterized by 3 phases. The initiation phase, inflammation is predominant, as in colitis-associated carcinogenesis, and involves the active recruitment of immune cells like macrophages, dendritic cells and T cells. The promotion and progression phases...
Article
Infection or inflammation during pregnancy is known to lead to maternal immune activation triggering a fetal inflammatory response syndrome associated with deleterious effects, such as brain injury and neurodevelopmental disabilities. Group B Streptococcus (GBS) - one of the most common bacterium colonizing pregnant women - can be responsible for c...
Chapter
It is known that gestational and/or perinatal inflammation combined or not with hypoxia-ischemia (HI) is a risk factor for brain injuries, but the mechanisms underlying are still unclear. This chapter discusses about animal models mimicking those conditions, allowing scientists to uncover mechanisms involved and to study the adverse effects on the...
Article
Full-text available
Inflammation due to remote pathogen exposure combined to hypoxia/ischemia (HI) is one of the most common causes of neonatal encephalopathy affecting at-term or near-term human newborn, which will consequently develop cerebral palsy. Within term-equivalent rat brains exposed to systemic lipopolysaccharide (LPS) plus HI, it was previously showed that...
Article
Full-text available
Infection-inflammation combined with hypoxia-ischemia (HI) is the most prevalent pathological scenario involved in perinatal brain damage leading to life-long neurological disabilities. Following lipopolysaccharide (LPS) and/or HI aggression, different patterns of inflammatory responses have been uncovered according to the brain differentiation sta...
Article
P2Y(2) receptor expression is increased in intestinal epithelial cells (IECs) during inflammatory bowel diseases (IBDs). In this context, P2Y(2) stimulates PGE(2) release by IECs, suggesting a role in wound healing. For this study, we have used the non-cancerous IEC-6 cell line. IEC-6 cell migration was determined using Boyden chambers and the sing...
Article
P2Y(6) nucleotide receptor (P2Y(6)-R) plays important physiological roles, such as insulin secretion and reduction of intraocular pressure. However, this receptor is still lacking potent and selective agonists to be used as potential drugs. Here, we synthesized uracil nucleotides and dinucleotides, substituted at the C5 and/or P(α) position with me...
Article
Inflammatory bowel diseases are characterized by the presence of CXCL8 at the site of lesions resulting in neutrophil recruitment and loss of tissue functions. We report that P2Y(6) receptor activation stimulates CXCL8 expression and release by intestinal epithelial cells (IECs). In this context, we investigated if uridine 5'-diphosphate (UDP) enem...
Article
Full-text available
Inflammatory stresses associated with inflammatory bowel diseases up-regulate P2Y(2) mRNA receptor expression in the human colon adenocarcinoma cell line Caco-2, the noncancerous IEC-6 cells and in colonic tissues of patient suffering from Crohn's disease and ulcerative colitis. However, the transcriptional events regulating P2Y(2) receptor (P2Y(2)...
Article
Full-text available
Epithelial cells participate in the immune response of the intestinal mucosa. Extracellular nucleotides have been recognized as inflammatory molecules. We investigated the role of extracellular nucleotides and their associated P2Y receptors in the secretion of cytokines by epithelial cells. The effect of intestinal inflammation on P2Y(6) receptor e...

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