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1.
Sheng Li Xue Bao ; (6): 864-876, 2023.
Article in Chinese | WPRIM | ID: wpr-1007796

ABSTRACT

With the acceleration of aging society, delaying aging or promoting healthy aging has become a major demand for human health. 5-Lipoxygenase (5-LOX) is a key enzyme catalyzing arachidonic acid into leukotrienes (LTs), which is a potent mediator of the inflammatory response. Previous studies showed that abnormal activation of 5-LOX and overproduction of LTs are closely related to the occurrence and development of aging-related inflammatory diseases. Therefore, inhibiting 5-LOX activation is a possibly potential strategy for treating age-related diseases. In this paper, the latest research progress in 5-LOX activation, 5-LOX in mediating aging-related diseases and its small molecule inhibitors is briefly reviewed to provide scientific theoretical basis and new ideas for the prevention and treatment of aging-related inflammatory diseases.


Subject(s)
Humans , Arachidonate 5-Lipoxygenase , Leukotrienes , Arachidonic Acid , Aging , Lipoxygenase Inhibitors/pharmacology
2.
Article in Chinese | WPRIM | ID: wpr-682945

ABSTRACT

Objective Effectiveness of two kinds of thermochemotherapy infusion from intraarterial approach were studied in the grafted liver VX2 tumors of rabbit.Methods VX2 tumor model was established in 30 Newzland rabbit's livers.Percutaneous transfemoral hepatic arterial catheterization with fixation of the cathether tip inside the feeding vessel was carried out under DSA guidance.All 30 rabbits were divided into three groups(n=10 in each group),normal temperature 100 ml saline+Adriamycin(ADM)infusion(group 1),60℃100 ml saline+ADM continuous perfusion(group 2)and 60℃100 ml saline+ADM intermittent perfusion(group 3).After the perfusion,the lasting time periods of 43-45℃for tumor tissue of group 2 and 3 together with the concentrations of ADM within tumor's tissue were measured.Results Concentrations of ADM were shown as(12.013?2.237)?g/ml,(17.622?1.368)?g/ml,and(11.519?1.225)?g/ml for group 2, group 3 and group 1 respectively.60℃intermittent perfusion vs 60℃continuous perfusion showed P<0.05, 60℃continuous pefusion vs normal temperature perfusion also showed P>0.05. 43-45℃period lasting time (min)for 60℃continuous pefusion vs 60℃intermittent pefusion were(4.1?2.7)min and(11.3?3.3)min respectively,the latter was three times more than the former.There were no differences shown betwen the temperature,respiration and heart rate of group 2 and group 3.Conclusion Intermittent intraarterial perfusion thermochemotherapy is a more effective interventional management among all thermochemotherapies.

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