5-LOX inhibitors(Arachidonate 5-lipoxygenase inhibitors), COX-1 inhibitors(Cyclooxygenase-1 inhibitors), COX-2 inhibitors(Cyclooxygenase-2 inhibitors)

Therapeutic Areas

Other Diseases

Active Indication-

Inactive Indication

Inflammation

Originator Organization

China Pharmaceutical University

Active Organization-

Inactive Organization

China Pharmaceutical University

Drug Highest PhasePendingDiscovery

First Approval Date-

Regulation-

100 Clinical Results associated with ZLJ-6

100 Translational Medicine associated with ZLJ-6

100 Patents (Medical) associated with ZLJ-6

Literatures (Medical) associated with ZLJ-6

01 Nov 2011·Vascular PharmacologyQ3 · MEDICINE

ZLJ-6, a novel COX/5-LOX inhibitor, attenuates TNF-α-induced endothelial E-selectin, ICAM-1 and VCAM-1 expression and monocyte–endothelial interactions via a COX/5-LOX-independent mechanism

Q3 · MEDICINE

Article

Author: Ran You ; Yi-Hua Zhang ; Yi-Sheng Lai ; Xu-Liang Wang ; Li Chen ; Hui Ji ; Qian Zhao

Nonsteroidal anti-inflammatory drugs (NSAIDs) are previously found to possess prostaglandin and leukotriene-independent anti-inflammatory effect. The aim of the present study was to investigate the prostaglandin and leukotriene-independent anti-inflammatory effect of an imidazolone COX/5-LOX inhibitor ZLJ-6 and the underlying mechanism. Pretreatment human umbilical vein endothelial cells (HUVECs) with ZLJ-6 (3, 10 and 30 μM) concentration-dependently decreased TNF-α-induced monocyte-endothelial interactions in both static and dynamic conditions whereas no effect was found after pretreatment with the COX-2 inhibitor celecoxib (30 μM), 5-LOX inhibitor zileuton (30 μM) and the combination of them. ZLJ-6 also attenuated expression of E-selectin, intercellular adhesion molecule-1 (ICAM-1) and vascular cytoadhesion molecule-1 (VCAM-1) on TNF-α-induced HUVECs. A further analysis indicated that ZLJ-6 attenuated TNF-α-induced nuclear translocation of NF-κB, IκB phosphorylation, IκB kinase β (IKKβ) activity, and subsequent NF-κB-DNA complex formation, suggesting that NF-κB pathway was involved in TNF-α-induced inflammation. However, ZLJ-6 did not affect TNF-α-induced extracellular signal-regulated kinases (ERK1/2), c-Jun N-terminal kinases (JNK) and p38 phosphorylation. Taken together, our results indicated that ZLJ-6 potently inhibited TNF-α-induced monocyte-endothelial interactions and adhesion molecule (E-selectin, ICAM-1 and VCAM-1) expression and these effects were mediated by NF-κB signaling pathway rather than its primary pharmacological target COX-2 or 5-LOX.

01 Apr 2009·European Journal of PharmacologyQ3 · MEDICINE

The anti-inflammatory effects of ZLJ-6, a novel dual cyclooxygenase/5-lipoxygenase inhibitor

Q3 · MEDICINE

Article

Author: Xiaorong Chen ; Yisheng Lai ; Yihua Zhang ; Liang Sheng ; Hui Ji ; Liwen Li

Compound ZLJ-6 [(Z)-1-methyl-1,5-dihydro-2-amino-5-[4-(mesyl)benzylidene]-4H-imi-dazole-4-one mesilate] is a potent inhibitor of cyclooxygenase (IC(50)=0.73 and 0.31 microM, for cyclooxygenase-1 and cyclooxygenase-2 respectively) in human whole blood. It also inhibited the production of thromboxane B(2) and prostaglandin E(2) in calcium ionophore A23187-induced human (IC(50)=0.50 microM) and rat whole blood (IC(50)=0.93 microM), and rat peritoneal leukocytes (IC(50)=2.27 microM). ZLJ-6 suppressed the activity of 5-lipoxygenase in the rat basophilic leukemia (RBL-1) cell lysate (IC(50)=0.32 microM) and in intact cells (IC(50)=1.06 microM) and reduced the generation of leukotriene B(4) (LTB(4)) in A23187-stimulated human (IC(50)=1.61 microM) or rat whole blood (IC(50)=0.99 microM), and rat peritoneal leukocytes (IC(50)=2.59 microM). In vivo, ZLJ-6, administered orally, demonstrated potent anti-inflammatory activity in the carrageenin-induced paw oedema model in rats and showed analgesic activity in the acetic acid-induced abdominal construction model in mice. No gastrointestinal ulcers were found with the anti-inflammatory dose (30 mg/kg) in normal rats. These results indicated that ZLJ-6 potently inhibited 5-lipoxygenase and cyclooxygenase, and blocked the production of LTB(4), TXB(2) and PGE(2). Thus ZLJ-6 is an ideal substitute for classical non-steroidal anti-inflammatory therapy.

100 Deals associated with ZLJ-6

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Indication	Highest Phase	Country/Location	Organization	Date
Inflammation	Discovery	CN	China Pharmaceutical University	-

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