The unicellular green alga,Chlamydomonas reinhardtii is a model organism for studying various biological processes,such as photosynthesis,flagellar motility,and lipid metabolism.To find some novel genes regulating the...The unicellular green alga,Chlamydomonas reinhardtii is a model organism for studying various biological processes,such as photosynthesis,flagellar motility,and lipid metabolism.To find some novel genes regulating the lipid metabolism under various stress conditions,the paromomycin resistance gene aphVIII was transferred into the genome of C.reinhardtii to establish a mutant library.Two genes mutated in two of the TAG-reduced mutants(Cre06.g278111 in M2 mutant,Cre06.g278110 in M6 mutants)were neighboring in the genome,and their expression levels were down-regulated in their corresponding mutants in parallel with their reduced TAG levels following N deprivation.The proteins encoded by these two genes(KCN11 by Cre06.g278111,ACYC3 by Cre06.g278110)contained a conversed cyclic mononucleotide phosphate(cNMP)binding protein and an adenylate domain,respectively.Since cNMP binding protein and adenylate domain have been known as important components of cyclic adenosine monophosphate(cAMP)signaling pathway,suggesting that these two genes might af fect cellular TAG biosynthesis through cAMP signal pathway.展开更多
目的观察芪苓健脾配方颗粒辅助治疗肾病综合征脾肾亏虚证的临床疗效。方法将60例肾病综合征脾肾亏虚证患者采用随机数字表法分为2组,各30例。对照组给予西医常规治疗,治疗组在对照组治疗方法的基础上联合芪苓健脾配方颗粒治疗,2组均以4...目的观察芪苓健脾配方颗粒辅助治疗肾病综合征脾肾亏虚证的临床疗效。方法将60例肾病综合征脾肾亏虚证患者采用随机数字表法分为2组,各30例。对照组给予西医常规治疗,治疗组在对照组治疗方法的基础上联合芪苓健脾配方颗粒治疗,2组均以4周为1个疗程,治疗2个疗程后比较2组的临床疗效、复发率、不良反应发生情况,以及治疗前后中医证候总积分、实验室检查指标[24 h尿蛋白定量(24 h UPQ)、血浆白蛋白(ALB)、总胆固醇(TC)、三酰甘油(TAG)、血肌酐(Scr)]。结果治疗组总有效率为93.33%(28/30),对照组为70.00%(24/30),2组比较差异有统计学意义(P<0.05);治疗组复发率为3.33%(1/30),对照组为20.00%(6/30),2组比较差异有统计学意义(P<0.05)。2组治疗后中医证候总积分、24 h UPQ、TC、TAG均明显降低,ALB明显升高,与同组治疗前比较差异有统计学意义(P<0.01),且治疗组各项指标改善更明显,与对照组治疗后比较差异均有统计学意义(P<0.05或P<0.01)。2组治疗过程中心电图,血、粪常规,肝功能均未见明显异常。结论芪苓健脾配方颗粒可有效改善肾病综合征脾肾亏虚证患者的临床症状,降低复发率,且安全性高,值得临床推广应用。展开更多
基金Supported by the National High Technology Research and Development Program of China(863 Program)(No.2014AA022001)
文摘The unicellular green alga,Chlamydomonas reinhardtii is a model organism for studying various biological processes,such as photosynthesis,flagellar motility,and lipid metabolism.To find some novel genes regulating the lipid metabolism under various stress conditions,the paromomycin resistance gene aphVIII was transferred into the genome of C.reinhardtii to establish a mutant library.Two genes mutated in two of the TAG-reduced mutants(Cre06.g278111 in M2 mutant,Cre06.g278110 in M6 mutants)were neighboring in the genome,and their expression levels were down-regulated in their corresponding mutants in parallel with their reduced TAG levels following N deprivation.The proteins encoded by these two genes(KCN11 by Cre06.g278111,ACYC3 by Cre06.g278110)contained a conversed cyclic mononucleotide phosphate(cNMP)binding protein and an adenylate domain,respectively.Since cNMP binding protein and adenylate domain have been known as important components of cyclic adenosine monophosphate(cAMP)signaling pathway,suggesting that these two genes might af fect cellular TAG biosynthesis through cAMP signal pathway.
文摘目的观察芪苓健脾配方颗粒辅助治疗肾病综合征脾肾亏虚证的临床疗效。方法将60例肾病综合征脾肾亏虚证患者采用随机数字表法分为2组,各30例。对照组给予西医常规治疗,治疗组在对照组治疗方法的基础上联合芪苓健脾配方颗粒治疗,2组均以4周为1个疗程,治疗2个疗程后比较2组的临床疗效、复发率、不良反应发生情况,以及治疗前后中医证候总积分、实验室检查指标[24 h尿蛋白定量(24 h UPQ)、血浆白蛋白(ALB)、总胆固醇(TC)、三酰甘油(TAG)、血肌酐(Scr)]。结果治疗组总有效率为93.33%(28/30),对照组为70.00%(24/30),2组比较差异有统计学意义(P<0.05);治疗组复发率为3.33%(1/30),对照组为20.00%(6/30),2组比较差异有统计学意义(P<0.05)。2组治疗后中医证候总积分、24 h UPQ、TC、TAG均明显降低,ALB明显升高,与同组治疗前比较差异有统计学意义(P<0.01),且治疗组各项指标改善更明显,与对照组治疗后比较差异均有统计学意义(P<0.05或P<0.01)。2组治疗过程中心电图,血、粪常规,肝功能均未见明显异常。结论芪苓健脾配方颗粒可有效改善肾病综合征脾肾亏虚证患者的临床症状,降低复发率,且安全性高,值得临床推广应用。
文摘以14℃、21℃、37℃、52℃4种不同熔点的精炼棕榈油为原料,对其脂肪酸组成、sn-2位脂肪酸分布、甘三酯组成和VE含量进行了研究.结果表明:4种棕榈油随熔点升高,油酸含量分别为47.76%、43.46%、39.67%、28.01%,棕榈酸含量分别为34.17%、40.01%、44.54%、57.67%;棕榈油sn-2位脂肪酸中,油酸相对含量最高,可达70.46%,最低为46.69%;棕榈油甘三酯分子结构组成中OPO、POP相对含量较高,其他甘三酯含量较低.4种棕榈油随熔点升高OPO含量分别为25.22%、24.18%、21.17%、12.89%,POP含量分别为17.86%、24.66%、23.83%、31.46%;高效液相色谱法测定精炼棕榈油中VE含量,随着熔点的升高,VE的总含量呈下降趋势,其中14℃棕榈油VE含量最高,可达76.09 mg/100 g,52℃棕榈油VE含量最低,为25.63 mg/100 g.
