1.Jagged1 promotes osteoclast differentiation and inhibits proliferation by activating of Notch signaling pathway induced
Rujie WANG ; Fuzhou LIU ; Weiwei SHEN ; Xu HU ; Pei CHEN ; Deju MAO ; Yunyun ZHUO ; Wugui CHEN ; Yue ZHOU ; Tongwei CHU
Chinese Journal of Immunology 2014;(7):865-869
Objective:To study the role of Jagged1 and Notch signaling pathway played in the differentiation and proliferation of RAW 264.7 cells.Methods: RAW 264.7 cells were divided into three groups to culture:The control group:RAW 264.7 cells were threated with culture and RANKL.The Jagged1 group:RAW 264.7 cells were threated with recombinant protein Jagged 1 besides the control group.The DAPT group:RAW 264.7 cells were threated with DAPT besides the Jagged 1 group.The mRNA expression of osteoclast markers(TRAP,CK,CTR) and Notch key target genes (HES-1 and HEY-1) were measured by real-time PCR.The formation of osteoclast , bone resorption , Notch expression and proliferation of RAW 264.7 cells were detected by TRAP staining , scanning electron microscope ,immunofluorescence and cell counting kit-8 ( CCK-8 ).Results: TRAP, CK, CTR , HES-1 and HEY-1 mRNA expression were significantly higher than the control group and DAPT group in Jadded 1 group ( P<0.05 ).TRAP+cell count ,osteolytic area was significantly increased in Jagged 1 group compared with control and DAPT group , and no significant difference observed between the last two groups.Immunofluorescence results showed high expression of N ICD in cell membrane and cytoplasm in all groups and additionally expressed in nucleus in Jadded 1 group.Cell proliferation was inhibited in Jagged 1 group also ( P<0.05 ).Conclusion:Jagged1 promotes RAW264.7 cells osteoclast differentiation and inhibits proliferation by activating Notch signaling pathway .
2.Ginsenoside Rk2,a dehydroprotopanaxadiol saponin,alleviates alcoholic liver disease via regulating NLRP3 and NLRP6 inflammasome signaling pathways in mice
Jian ZOU ; Rujie YANG ; Ruibing FENG ; Jiayue LIU ; Jian-Bo WAN
Journal of Pharmaceutical Analysis 2023;13(9):999-1012
Heavy alcohol consumption results in alcoholic liver disease(ALD)with inadequate therapeutic options.Here,we first report the potential beneficial effects of ginsenoside Rk2(Rk2),a rare dehy-droprotopanaxadiol saponin isolated from streamed ginseng,against alcoholic liver injury in mice.Chronic-plus-single-binge ethanol feeding caused severe liver injury,as manifested by significantly elevated serum aminotransferase levels,hepatic histological changes,increased lipid accumulation,oxidative stress,and inflammation in the liver.These deleterious effects were alleviated by the treatment with Rk2(5 and 30 mg/kg).Acting as an nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3(NLRP3)inhibitor,Rk2 ameliorates alcohol-induced liver inflammation by inhibiting NLRP3 inflammasome signaling in the liver.Meanwhile,the treatment with Rk2 alleviated the alcohol-induced intestinal barrier dysfunction via enhancing NLRP6 inflammasome in the intestine.Our findings indicate that Rk2 is a promising agent for the prevention and treatment of ALD and other NLPR3-driven diseases.
3.Effects of gastrodin on the expression of BDNF and IL-6 in the stria-tum of rats with cerebral ischemia
Min LIU ; Yanxia DING ; Yegui ZHANG ; Cuicui CHAN ; Rujie GONG ; Jingzhong NI
Chinese Journal of Clinical Pharmacology and Therapeutics 2024;29(4):440-446
AIM:To investigate the effect of gastro-din on the expression of brain-derived neurotroph-ic factor(BDNF)and interleukin-6(IL-6)in the stria-tum of cerebral ischemia rats,and to explore the potential mechanism of gastrodin in treating cere-bral ischemia.METHODS:The rats were randomly divided into four groups:normal,sham,model,and gastrodin groups,each consisting of 10 rats.After successful modeling using middle cerebral artery occlusion(MCAO),the gastrodin group received in-traperitoneal injection of gastrodin injection at a dose of 10 mg/kg once a day for 14 consecutive days.Pathological changes in striatal neurons were observed using Nissl staining.Immunohistochemis-try was utilized to detect positive expression of BDNF and IL-6 proteins in the striatum.Additional-ly,immunoblot analysis was performed to deter-mine the expression levels of BDNF and IL-6 pro-teins in the striatum.RESULTS:Nissl staining re-vealed clear and intact structures of striatal neu-rons in the normal and sham groups,with tightly arranged cells.In the model group,the number of cells was significantly reduced compared to the sham group(P<0.01),and there was a noticeable cytosolic atrophy and loose cell arrangement.The gastrodin group showed a significant increase in the number of Nissl-positive neurons compared to the model group(P<0.01),and there was also a sig-nificant improvement in cell morphology.The re-sults of immunohistochemistry and immunoblot were consistent,and there was no statistically sig-nificant difference in BDNF and IL-6 protein expres-sion between the normal group and the sham group(P>0.05).Compared to the sham group,the model group showed a decrease in the protein ex-pression level of BDNF in the striatum on the isch-emic side(P<0.01)and an increase in the protein expression level of IL-6(P<0.05,P<0.01).In con-trast,the gastrodin group showed an increase in the protein expression level of BDNF in the stria-tum on the ischemic side(P<0.05,P<0.01)and a decrease in the protein expression level of IL-6(P<0.05,P<0.01)compared to the model group.CON-CLUSION:Gastrodin has a significant protective ef-fect on striatal injury caused by cerebral ischemia,and its mechanism may be related to the up-regula-tion of the anti-inflammatory factor BDNF and the down-regulation of the pro-inflammatory factor IL-6.
4.Effects of gastrodin on the expression of BDNF and IL-6 in the stria-tum of rats with cerebral ischemia
Min LIU ; Yanxia DING ; Yegui ZHANG ; Cuicui CHAN ; Rujie GONG ; Jingzhong NI
Chinese Journal of Clinical Pharmacology and Therapeutics 2024;29(4):440-446
AIM:To investigate the effect of gastro-din on the expression of brain-derived neurotroph-ic factor(BDNF)and interleukin-6(IL-6)in the stria-tum of cerebral ischemia rats,and to explore the potential mechanism of gastrodin in treating cere-bral ischemia.METHODS:The rats were randomly divided into four groups:normal,sham,model,and gastrodin groups,each consisting of 10 rats.After successful modeling using middle cerebral artery occlusion(MCAO),the gastrodin group received in-traperitoneal injection of gastrodin injection at a dose of 10 mg/kg once a day for 14 consecutive days.Pathological changes in striatal neurons were observed using Nissl staining.Immunohistochemis-try was utilized to detect positive expression of BDNF and IL-6 proteins in the striatum.Additional-ly,immunoblot analysis was performed to deter-mine the expression levels of BDNF and IL-6 pro-teins in the striatum.RESULTS:Nissl staining re-vealed clear and intact structures of striatal neu-rons in the normal and sham groups,with tightly arranged cells.In the model group,the number of cells was significantly reduced compared to the sham group(P<0.01),and there was a noticeable cytosolic atrophy and loose cell arrangement.The gastrodin group showed a significant increase in the number of Nissl-positive neurons compared to the model group(P<0.01),and there was also a sig-nificant improvement in cell morphology.The re-sults of immunohistochemistry and immunoblot were consistent,and there was no statistically sig-nificant difference in BDNF and IL-6 protein expres-sion between the normal group and the sham group(P>0.05).Compared to the sham group,the model group showed a decrease in the protein ex-pression level of BDNF in the striatum on the isch-emic side(P<0.01)and an increase in the protein expression level of IL-6(P<0.05,P<0.01).In con-trast,the gastrodin group showed an increase in the protein expression level of BDNF in the stria-tum on the ischemic side(P<0.05,P<0.01)and a decrease in the protein expression level of IL-6(P<0.05,P<0.01)compared to the model group.CON-CLUSION:Gastrodin has a significant protective ef-fect on striatal injury caused by cerebral ischemia,and its mechanism may be related to the up-regula-tion of the anti-inflammatory factor BDNF and the down-regulation of the pro-inflammatory factor IL-6.
5.Effects of gastrodin on the expression of BDNF and IL-6 in the stria-tum of rats with cerebral ischemia
Min LIU ; Yanxia DING ; Yegui ZHANG ; Cuicui CHAN ; Rujie GONG ; Jingzhong NI
Chinese Journal of Clinical Pharmacology and Therapeutics 2024;29(4):440-446
AIM:To investigate the effect of gastro-din on the expression of brain-derived neurotroph-ic factor(BDNF)and interleukin-6(IL-6)in the stria-tum of cerebral ischemia rats,and to explore the potential mechanism of gastrodin in treating cere-bral ischemia.METHODS:The rats were randomly divided into four groups:normal,sham,model,and gastrodin groups,each consisting of 10 rats.After successful modeling using middle cerebral artery occlusion(MCAO),the gastrodin group received in-traperitoneal injection of gastrodin injection at a dose of 10 mg/kg once a day for 14 consecutive days.Pathological changes in striatal neurons were observed using Nissl staining.Immunohistochemis-try was utilized to detect positive expression of BDNF and IL-6 proteins in the striatum.Additional-ly,immunoblot analysis was performed to deter-mine the expression levels of BDNF and IL-6 pro-teins in the striatum.RESULTS:Nissl staining re-vealed clear and intact structures of striatal neu-rons in the normal and sham groups,with tightly arranged cells.In the model group,the number of cells was significantly reduced compared to the sham group(P<0.01),and there was a noticeable cytosolic atrophy and loose cell arrangement.The gastrodin group showed a significant increase in the number of Nissl-positive neurons compared to the model group(P<0.01),and there was also a sig-nificant improvement in cell morphology.The re-sults of immunohistochemistry and immunoblot were consistent,and there was no statistically sig-nificant difference in BDNF and IL-6 protein expres-sion between the normal group and the sham group(P>0.05).Compared to the sham group,the model group showed a decrease in the protein ex-pression level of BDNF in the striatum on the isch-emic side(P<0.01)and an increase in the protein expression level of IL-6(P<0.05,P<0.01).In con-trast,the gastrodin group showed an increase in the protein expression level of BDNF in the stria-tum on the ischemic side(P<0.05,P<0.01)and a decrease in the protein expression level of IL-6(P<0.05,P<0.01)compared to the model group.CON-CLUSION:Gastrodin has a significant protective ef-fect on striatal injury caused by cerebral ischemia,and its mechanism may be related to the up-regula-tion of the anti-inflammatory factor BDNF and the down-regulation of the pro-inflammatory factor IL-6.
6.Effects of gastrodin on the expression of BDNF and IL-6 in the stria-tum of rats with cerebral ischemia
Min LIU ; Yanxia DING ; Yegui ZHANG ; Cuicui CHAN ; Rujie GONG ; Jingzhong NI
Chinese Journal of Clinical Pharmacology and Therapeutics 2024;29(4):440-446
AIM:To investigate the effect of gastro-din on the expression of brain-derived neurotroph-ic factor(BDNF)and interleukin-6(IL-6)in the stria-tum of cerebral ischemia rats,and to explore the potential mechanism of gastrodin in treating cere-bral ischemia.METHODS:The rats were randomly divided into four groups:normal,sham,model,and gastrodin groups,each consisting of 10 rats.After successful modeling using middle cerebral artery occlusion(MCAO),the gastrodin group received in-traperitoneal injection of gastrodin injection at a dose of 10 mg/kg once a day for 14 consecutive days.Pathological changes in striatal neurons were observed using Nissl staining.Immunohistochemis-try was utilized to detect positive expression of BDNF and IL-6 proteins in the striatum.Additional-ly,immunoblot analysis was performed to deter-mine the expression levels of BDNF and IL-6 pro-teins in the striatum.RESULTS:Nissl staining re-vealed clear and intact structures of striatal neu-rons in the normal and sham groups,with tightly arranged cells.In the model group,the number of cells was significantly reduced compared to the sham group(P<0.01),and there was a noticeable cytosolic atrophy and loose cell arrangement.The gastrodin group showed a significant increase in the number of Nissl-positive neurons compared to the model group(P<0.01),and there was also a sig-nificant improvement in cell morphology.The re-sults of immunohistochemistry and immunoblot were consistent,and there was no statistically sig-nificant difference in BDNF and IL-6 protein expres-sion between the normal group and the sham group(P>0.05).Compared to the sham group,the model group showed a decrease in the protein ex-pression level of BDNF in the striatum on the isch-emic side(P<0.01)and an increase in the protein expression level of IL-6(P<0.05,P<0.01).In con-trast,the gastrodin group showed an increase in the protein expression level of BDNF in the stria-tum on the ischemic side(P<0.05,P<0.01)and a decrease in the protein expression level of IL-6(P<0.05,P<0.01)compared to the model group.CON-CLUSION:Gastrodin has a significant protective ef-fect on striatal injury caused by cerebral ischemia,and its mechanism may be related to the up-regula-tion of the anti-inflammatory factor BDNF and the down-regulation of the pro-inflammatory factor IL-6.
7.Effects of gastrodin on the expression of BDNF and IL-6 in the stria-tum of rats with cerebral ischemia
Min LIU ; Yanxia DING ; Yegui ZHANG ; Cuicui CHAN ; Rujie GONG ; Jingzhong NI
Chinese Journal of Clinical Pharmacology and Therapeutics 2024;29(4):440-446
AIM:To investigate the effect of gastro-din on the expression of brain-derived neurotroph-ic factor(BDNF)and interleukin-6(IL-6)in the stria-tum of cerebral ischemia rats,and to explore the potential mechanism of gastrodin in treating cere-bral ischemia.METHODS:The rats were randomly divided into four groups:normal,sham,model,and gastrodin groups,each consisting of 10 rats.After successful modeling using middle cerebral artery occlusion(MCAO),the gastrodin group received in-traperitoneal injection of gastrodin injection at a dose of 10 mg/kg once a day for 14 consecutive days.Pathological changes in striatal neurons were observed using Nissl staining.Immunohistochemis-try was utilized to detect positive expression of BDNF and IL-6 proteins in the striatum.Additional-ly,immunoblot analysis was performed to deter-mine the expression levels of BDNF and IL-6 pro-teins in the striatum.RESULTS:Nissl staining re-vealed clear and intact structures of striatal neu-rons in the normal and sham groups,with tightly arranged cells.In the model group,the number of cells was significantly reduced compared to the sham group(P<0.01),and there was a noticeable cytosolic atrophy and loose cell arrangement.The gastrodin group showed a significant increase in the number of Nissl-positive neurons compared to the model group(P<0.01),and there was also a sig-nificant improvement in cell morphology.The re-sults of immunohistochemistry and immunoblot were consistent,and there was no statistically sig-nificant difference in BDNF and IL-6 protein expres-sion between the normal group and the sham group(P>0.05).Compared to the sham group,the model group showed a decrease in the protein ex-pression level of BDNF in the striatum on the isch-emic side(P<0.01)and an increase in the protein expression level of IL-6(P<0.05,P<0.01).In con-trast,the gastrodin group showed an increase in the protein expression level of BDNF in the stria-tum on the ischemic side(P<0.05,P<0.01)and a decrease in the protein expression level of IL-6(P<0.05,P<0.01)compared to the model group.CON-CLUSION:Gastrodin has a significant protective ef-fect on striatal injury caused by cerebral ischemia,and its mechanism may be related to the up-regula-tion of the anti-inflammatory factor BDNF and the down-regulation of the pro-inflammatory factor IL-6.
8.Effects of gastrodin on the expression of BDNF and IL-6 in the stria-tum of rats with cerebral ischemia
Min LIU ; Yanxia DING ; Yegui ZHANG ; Cuicui CHAN ; Rujie GONG ; Jingzhong NI
Chinese Journal of Clinical Pharmacology and Therapeutics 2024;29(4):440-446
AIM:To investigate the effect of gastro-din on the expression of brain-derived neurotroph-ic factor(BDNF)and interleukin-6(IL-6)in the stria-tum of cerebral ischemia rats,and to explore the potential mechanism of gastrodin in treating cere-bral ischemia.METHODS:The rats were randomly divided into four groups:normal,sham,model,and gastrodin groups,each consisting of 10 rats.After successful modeling using middle cerebral artery occlusion(MCAO),the gastrodin group received in-traperitoneal injection of gastrodin injection at a dose of 10 mg/kg once a day for 14 consecutive days.Pathological changes in striatal neurons were observed using Nissl staining.Immunohistochemis-try was utilized to detect positive expression of BDNF and IL-6 proteins in the striatum.Additional-ly,immunoblot analysis was performed to deter-mine the expression levels of BDNF and IL-6 pro-teins in the striatum.RESULTS:Nissl staining re-vealed clear and intact structures of striatal neu-rons in the normal and sham groups,with tightly arranged cells.In the model group,the number of cells was significantly reduced compared to the sham group(P<0.01),and there was a noticeable cytosolic atrophy and loose cell arrangement.The gastrodin group showed a significant increase in the number of Nissl-positive neurons compared to the model group(P<0.01),and there was also a sig-nificant improvement in cell morphology.The re-sults of immunohistochemistry and immunoblot were consistent,and there was no statistically sig-nificant difference in BDNF and IL-6 protein expres-sion between the normal group and the sham group(P>0.05).Compared to the sham group,the model group showed a decrease in the protein ex-pression level of BDNF in the striatum on the isch-emic side(P<0.01)and an increase in the protein expression level of IL-6(P<0.05,P<0.01).In con-trast,the gastrodin group showed an increase in the protein expression level of BDNF in the stria-tum on the ischemic side(P<0.05,P<0.01)and a decrease in the protein expression level of IL-6(P<0.05,P<0.01)compared to the model group.CON-CLUSION:Gastrodin has a significant protective ef-fect on striatal injury caused by cerebral ischemia,and its mechanism may be related to the up-regula-tion of the anti-inflammatory factor BDNF and the down-regulation of the pro-inflammatory factor IL-6.
9.Effects of gastrodin on the expression of BDNF and IL-6 in the stria-tum of rats with cerebral ischemia
Min LIU ; Yanxia DING ; Yegui ZHANG ; Cuicui CHAN ; Rujie GONG ; Jingzhong NI
Chinese Journal of Clinical Pharmacology and Therapeutics 2024;29(4):440-446
AIM:To investigate the effect of gastro-din on the expression of brain-derived neurotroph-ic factor(BDNF)and interleukin-6(IL-6)in the stria-tum of cerebral ischemia rats,and to explore the potential mechanism of gastrodin in treating cere-bral ischemia.METHODS:The rats were randomly divided into four groups:normal,sham,model,and gastrodin groups,each consisting of 10 rats.After successful modeling using middle cerebral artery occlusion(MCAO),the gastrodin group received in-traperitoneal injection of gastrodin injection at a dose of 10 mg/kg once a day for 14 consecutive days.Pathological changes in striatal neurons were observed using Nissl staining.Immunohistochemis-try was utilized to detect positive expression of BDNF and IL-6 proteins in the striatum.Additional-ly,immunoblot analysis was performed to deter-mine the expression levels of BDNF and IL-6 pro-teins in the striatum.RESULTS:Nissl staining re-vealed clear and intact structures of striatal neu-rons in the normal and sham groups,with tightly arranged cells.In the model group,the number of cells was significantly reduced compared to the sham group(P<0.01),and there was a noticeable cytosolic atrophy and loose cell arrangement.The gastrodin group showed a significant increase in the number of Nissl-positive neurons compared to the model group(P<0.01),and there was also a sig-nificant improvement in cell morphology.The re-sults of immunohistochemistry and immunoblot were consistent,and there was no statistically sig-nificant difference in BDNF and IL-6 protein expres-sion between the normal group and the sham group(P>0.05).Compared to the sham group,the model group showed a decrease in the protein ex-pression level of BDNF in the striatum on the isch-emic side(P<0.01)and an increase in the protein expression level of IL-6(P<0.05,P<0.01).In con-trast,the gastrodin group showed an increase in the protein expression level of BDNF in the stria-tum on the ischemic side(P<0.05,P<0.01)and a decrease in the protein expression level of IL-6(P<0.05,P<0.01)compared to the model group.CON-CLUSION:Gastrodin has a significant protective ef-fect on striatal injury caused by cerebral ischemia,and its mechanism may be related to the up-regula-tion of the anti-inflammatory factor BDNF and the down-regulation of the pro-inflammatory factor IL-6.
10.Effects of gastrodin on the expression of BDNF and IL-6 in the stria-tum of rats with cerebral ischemia
Min LIU ; Yanxia DING ; Yegui ZHANG ; Cuicui CHAN ; Rujie GONG ; Jingzhong NI
Chinese Journal of Clinical Pharmacology and Therapeutics 2024;29(4):440-446
AIM:To investigate the effect of gastro-din on the expression of brain-derived neurotroph-ic factor(BDNF)and interleukin-6(IL-6)in the stria-tum of cerebral ischemia rats,and to explore the potential mechanism of gastrodin in treating cere-bral ischemia.METHODS:The rats were randomly divided into four groups:normal,sham,model,and gastrodin groups,each consisting of 10 rats.After successful modeling using middle cerebral artery occlusion(MCAO),the gastrodin group received in-traperitoneal injection of gastrodin injection at a dose of 10 mg/kg once a day for 14 consecutive days.Pathological changes in striatal neurons were observed using Nissl staining.Immunohistochemis-try was utilized to detect positive expression of BDNF and IL-6 proteins in the striatum.Additional-ly,immunoblot analysis was performed to deter-mine the expression levels of BDNF and IL-6 pro-teins in the striatum.RESULTS:Nissl staining re-vealed clear and intact structures of striatal neu-rons in the normal and sham groups,with tightly arranged cells.In the model group,the number of cells was significantly reduced compared to the sham group(P<0.01),and there was a noticeable cytosolic atrophy and loose cell arrangement.The gastrodin group showed a significant increase in the number of Nissl-positive neurons compared to the model group(P<0.01),and there was also a sig-nificant improvement in cell morphology.The re-sults of immunohistochemistry and immunoblot were consistent,and there was no statistically sig-nificant difference in BDNF and IL-6 protein expres-sion between the normal group and the sham group(P>0.05).Compared to the sham group,the model group showed a decrease in the protein ex-pression level of BDNF in the striatum on the isch-emic side(P<0.01)and an increase in the protein expression level of IL-6(P<0.05,P<0.01).In con-trast,the gastrodin group showed an increase in the protein expression level of BDNF in the stria-tum on the ischemic side(P<0.05,P<0.01)and a decrease in the protein expression level of IL-6(P<0.05,P<0.01)compared to the model group.CON-CLUSION:Gastrodin has a significant protective ef-fect on striatal injury caused by cerebral ischemia,and its mechanism may be related to the up-regula-tion of the anti-inflammatory factor BDNF and the down-regulation of the pro-inflammatory factor IL-6.