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Wilm′s tumor gene1肽疫苗Galinpepimut-S在肿瘤免疫治疗中的应用
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作者 高娜 梁平 +3 位作者 单彬 高亚乾 尹金妥 冯锐 《中国药业》 2024年第3期128-128,I0001-I0004,共5页
目的为Wilm′s tumor gene1(WT1)肽疫苗Galinpepimut-S(GPS)用于肿瘤免疫治疗的后续研究提供参考。方法采用计算机检索中国知网、PubMed等数据库自建库起至2022年12月的肿瘤免疫治疗相关文献,总结GPS在肿瘤免疫治疗中的应用现状。结果GP... 目的为Wilm′s tumor gene1(WT1)肽疫苗Galinpepimut-S(GPS)用于肿瘤免疫治疗的后续研究提供参考。方法采用计算机检索中国知网、PubMed等数据库自建库起至2022年12月的肿瘤免疫治疗相关文献,总结GPS在肿瘤免疫治疗中的应用现状。结果GPS能激发自身免疫系统,对WT1抗原产生强烈免疫反应而发挥抗肿瘤作用,在卵巢癌、恶性胸膜间皮瘤、急性髓系白血病、多发性骨髓瘤的治疗中均显示出较好的疗效。结论以GPS为代表的肿瘤疫苗是未来肿瘤治疗的重要方向,需进一步进行临床研究,以获取更多数据。 展开更多
关键词 Wilm′s tumor gene1肽疫苗 Galinpepimut-S 免疫治疗 新生抗原 肿瘤疫苗
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Knockdown of the atypical protein kinase genes GhABC1K2-A05 and GhABC1K12-A07 make cotton more sensitive to salt and PEG stress 被引量:1
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作者 Caixiang Wang Meili Li +3 位作者 Dingguo Zhang Xueli Zhang Juanjuan Liu Junji Su 《Journal of Integrative Agriculture》 SCIE CAS CSCD 2024年第10期3370-3386,共17页
Activity of bc1 complex kinase(ABC1K)is an atypical protein kinase(aPK)that plays a crucial role in plant mitochondrial and plastid stress responses,but little is known about the responses of ABC1Ks to stress in cotto... Activity of bc1 complex kinase(ABC1K)is an atypical protein kinase(aPK)that plays a crucial role in plant mitochondrial and plastid stress responses,but little is known about the responses of ABC1Ks to stress in cotton(Gossypium spp.).Here,we identified 40 ABC1Ks in upland cotton(Gossypium hirsutum L.)and found that the Gh ABC1Ks were unevenly distributed across 17 chromosomes.The GhABC1K family members included 35 paralogous gene pairs and were expanded by segmental duplication.The GhABC1K promoter sequences contained diverse cis-acting regulatory elements relevant to hormone or stress responses.The qRT-PCR results revealed that most Gh ABC1Ks were upregulated by exposure to different stresses.Gh ABC1K2-A05 and Gh ABC1K12-A07 expression levels were upregulated by at least three stress treatments.These genes were further functionally characterized by virus-induced gene silencing(VIGS).Compared with the controls,the Gh ABC1K2-A05-and Gh ABC1K12-A07-silenced cotton lines exhibited higher malondialdehyde(MDA)contents,lower catalase(CAT),peroxidase(POD)and superoxide dismutase(SOD)activities and reduced chlorophyll and soluble sugar contents under NaCl and PEG stress.In addition,the expression levels of six stress marker genes(Gh DREB2A,Gh SOS1,Gh CIPK6,Gh SOS2,Gh WRKY33,and Gh RD29A)were significantly downregulated after stress in the Gh ABC1K2-A05-and Gh ABC1K12-A07-silenced lines.The results indicate that knockdown of Gh ABC1K2-A05 and Gh ABC1K12-A07 make cotton more sensitive to salt and PEG stress.These findings can provide valuable information for intensive studies of Gh ABC1Ks in the responses and resistance of cotton to abiotic stresses. 展开更多
关键词 COTTON ABC1K abiotic stress responses expression patterns virus-induced gene silencing(VIGS)
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lncRNA GAS5调控miR-452-5p/Mcl-1通路对急性肺损伤大鼠肺组织细胞焦亡的影响
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作者 柯有力 罗东 +1 位作者 刘旭 别磊 《华中科技大学学报(医学版)》 CAS CSCD 北大核心 2024年第5期621-628,共8页
目的探讨长链非编码RNA生长抑制特异因子5(lncRNA GAS5)调控miR-452-5p/髓样细胞白血病序列-1(Mcl-1)通路对急性肺损伤(ALI)大鼠肺组织细胞焦亡的影响。方法取SD大鼠随机分成6组(每组10只):对照组、模型组、pUC57-lncRNA GAS5组、miR-45... 目的探讨长链非编码RNA生长抑制特异因子5(lncRNA GAS5)调控miR-452-5p/髓样细胞白血病序列-1(Mcl-1)通路对急性肺损伤(ALI)大鼠肺组织细胞焦亡的影响。方法取SD大鼠随机分成6组(每组10只):对照组、模型组、pUC57-lncRNA GAS5组、miR-452-5p抑制剂组、pUC57-NC+miR-452-5p-NC组、pUC57-lncRNA GAS5+miR-452-5p激活剂组。模型组和各干预组大鼠以腹腔注射脂多糖的方法构建ALI模型,对照组大鼠腹腔注射等量生理盐水,造模同时进行分组干预。然后检测大鼠肺功能,比较各组用力肺活量(FVC)、0.3秒用力呼气容积(FEV0.3)/FVC、潮气量(VT);HE染色观察大鼠肺组织病理损伤,并以Holfbauer评分评估其损伤程度;酶联免疫吸附法(ELISA)测定大鼠肺泡灌洗液(BALF)和血清炎症因子白细胞介素(IL)-18、IL-1β水平;免疫印迹法检测大鼠肺组织焦亡相关指标[消皮素D(GSDMD)、核苷酸结合寡聚化结构域样受体蛋白3(NLRP3)、天冬氨酸特异性半胱氨酸蛋白酶(Caspase)-1、Caspase-11]及Mcl-1蛋白表达;实时荧光定量PCR检测大鼠肺组织lncRNA GAS5、miR-452-5p及Mcl-1表达;双荧光素酶报告基因实验验证大鼠肺泡上皮细胞L2中lncRNA GAS5对miR-452-5p的靶向调节。结果与对照组比较,模型组大鼠FVC、FEV0.3/FVC、lncRNA GAS5表达、Mcl-1蛋白及mRNA表达降低(均P<0.05),VT、Holfbauer评分、IL-18及IL-1β水平、GSDMD、NLRP3、Caspase-1及Caspase-11蛋白表达、miR-452-5p表达升高(均P<0.05)。与模型组比较,pUC57-lncRNA GAS5组、miR-452-5p抑制剂组大鼠FVC、FEV0.3/FVC、Mcl-1蛋白及mRNA表达均升高(均P<0.05),VT、Holfbauer评分、IL-18及IL-1β水平、GSDMD、NLRP3、Caspase-1及Caspase-11蛋白表达、miR-452-5p表达均降低(均P<0.05);pUC57-NC+miR-452-5p-NC组大鼠各指标无显著差异(均P>0.05)。与pUC57-lncRNA GAS5组比较,pUC57-lncRNA GAS5+miR-452-5p激活剂组大鼠FVC、FEV0.3/FVC、Mcl-1蛋白及mRNA表达降低(均P<0.05),VT、Holfbauer评分、IL-18及IL-1β水平、GSDMD、NLRP3、Caspase-1及Caspase-11蛋白表达、miR-452-5p表达升高(均P<0.05)。结论lncRNA GAS5可通过靶向下调miR-452-5p而促进Mcl-1表达,进而抑制ALI大鼠炎症反应及肺组织细胞焦亡,最终减轻大鼠肺损伤并改善其肺功能。 展开更多
关键词 lncRNA GAS5 miR-452-5p/mcl-1通路 急性肺损伤 肺组织细胞焦亡
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Multi-genome evolutionary study of the ABC1 gene family and identification of the pleiotropic effects of OsABC1-13 in rice development
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作者 Fuying Ma Mingyu Liu +11 位作者 Peiwen Yan Shicong He Jian Hu Xinwei Zhang Fuan Niu Jinhao Cui Xinyu Yuan Xiaoyun Xin Liming Cao Jinshui Yang Ying Wang Xiaojin Luo 《The Crop Journal》 SCIE CSCD 2024年第4期1022-1030,共9页
In four rice genomes,85 ABC1-family genes were identified by comparative genomics,evolution,genetics,and physiology.One,OsABC1-13,was shown by knockdown and knockout experiments to affect plant height,grain size,and p... In four rice genomes,85 ABC1-family genes were identified by comparative genomics,evolution,genetics,and physiology.One,OsABC1-13,was shown by knockdown and knockout experiments to affect plant height,grain size,and photosynthetic capability. 展开更多
关键词 Multi-genome analysis Activity of bc1 complex gene PHOTOSYNTHESIS BIOMASS Osabc1-13 HAPLOTYPE
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Detection of Novel BEST1 Variations in Autosomal Recessive Bestrophinopathy Using Third-generation Sequencing
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作者 Jia-xun LI Ling-rui MENG +6 位作者 Bao-ke HOU Xiao-lu HAO Da-jiang WANG Ling-hui QU Zhao-hui LI Lei ZHANG Xin JIN 《Current Medical Science》 SCIE CAS 2024年第2期419-425,共7页
Objective:Autosomal recessive bestrophinopathy(ARB),a retinal degenerative disease,is characterized by central visual loss,yellowish multifocal diffuse subretinal deposits,and a dramatic decrease in the light peak on ... Objective:Autosomal recessive bestrophinopathy(ARB),a retinal degenerative disease,is characterized by central visual loss,yellowish multifocal diffuse subretinal deposits,and a dramatic decrease in the light peak on electrooculogram.The potential pathogenic mechanism involves mutations in the BEST1 gene,which encodes Ca2+-activated Cl−channels in the retinal pigment epithelium(RPE),resulting in degeneration of RPE and photoreceptor.In this study,the complete clinical characteristics of two Chinese ARB families were summarized.Methods:Pacific Biosciences(PacBio)single-molecule real-time(SMRT)sequencing was performed on the probands to screen for disease-causing gene mutations,and Sanger sequencing was applied to validate variants in the patients and their family members.Results:Two novel mutations,c.202T>C(chr11:61722628,p.Y68H)and c.867+97G>A,in the BEST1 gene were identified in the two Chinese ARB families.The novel missense mutation BEST1 c.202T>C(p.Y68H)resulted in the substitution of tyrosine with histidine in the N-terminal region of transmembrane domain 2 of bestrophin-1.Another novel variant,BEST1 c.867+97G>A(chr11:61725867),located in intron 7,might be considered a regulatory variant that changes allele-specific binding affinity based on motifs of important transcriptional regulators.Conclusion:Our findings represent the first use of third-generation sequencing(TGS)to identify novel BEST1 mutations in patients with ARB,indicating that TGS can be a more accurate and efficient tool for identifying mutations in specific genes.The novel variants identified further broaden the mutation spectrum of BEST1 in the Chinese population. 展开更多
关键词 autosomal recessive bestrophinopathy BEST1 gene third-generation sequencing MUTATION
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AGTR1 A1166C gene polymorphism is associated with the effectiveness of valsartan monotherapy in Chinese patients with essential hypertension:A retrospective analysis
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作者 Hanzhong Yu Lei Li +5 位作者 Shuyao Wei Qianqian Kong Wei Nu Bo Dong Yuewu Zhao Li Wang 《Asian Pacific Journal of Tropical Medicine》 SCIE CAS 2024年第9期418-424,共7页
Objective:To investigate whether angiotensinⅡtype 1 receptor(AGTR1 A1166C)gene polymorphism was associated with the effectiveness of valsartan monotherapy in Chinese patients with essential hypertension.Methods:This ... Objective:To investigate whether angiotensinⅡtype 1 receptor(AGTR1 A1166C)gene polymorphism was associated with the effectiveness of valsartan monotherapy in Chinese patients with essential hypertension.Methods:This retrospective analysis included 198 patients(≥18 years of age)who received valsartan monotherapy(80 mg/day)for newly developed essential hypertension at the authors’center between January 1,2020 and December 31,2023.Genotyping for AGTR1 A1166C gene polymorphism was done by polymerase chain reaction(PCR)-melting curve analysis of genomic DNA from peripheral blood samples.A dominant genetic model for AGTR1 A1166C(AA genotype versus AC+CC genotype)was used.Multivariate regression analysis of baseline variables and AGTR1 polymorphism was conducted to identify predictors of target blood pressure attainment(<140/90 mmHg)at the 4-week follow-up.Results:The median age of the 198 patients was(53.7±13.5)years,and 58%were men.Genotyping assays showed that 164 patients had the AA genotype,and 34 patients were of the AC/CC genotype,including 30 with the AC genotype and 4 with the CC genotype.Allele distribution was consistent with Hardy Weinberg equilibrium.109 Patients(55.1%)attained the blood pressure target.Multivariate analysis showed that smoking(versus no smoking,HR 0.314,95%CI 0.159-0.619,P=0.001)and AGTR1 A1166C AA genotype(versus AC/CC,HR 2.927,95%CI 1.296-6.611,P=0.023)were significant and independent predictors of target attainment.25 Patients(73.5%)with AGTR1 A1166C AC/CC genotype attained the target versus 51.2%(51/164)of patients with AGTR1 A1166C AA genotype(P=0.017).Patients with AGTR1 A1166C AC/CC genotype had a significantly greater reduction in systolic blood pressure[(33.1±10.8)mmHg versus(29.2±11.7)mmHg in AA carriers;(P=0.029)].Conclusions:Hypertensive patients carrying one or two C alleles of the AGTR1 A1166C gene were more responsive to valsartan treatment. 展开更多
关键词 Essential hypertension AngiotensinⅡtype 1 receptor antagonist VALSARTAN AGTR1 A1166C gene polymorphism
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Heat-inducible SlWRKY3 confers thermotolerance by activating the SlGRXS1 gene cluster in tomato
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作者 Ying Wang Wenxian Gai +9 位作者 Liangdan Yuan Lele Shang Fangman Li Zhao Gong Pingfei Ge Yaru Wang Jinbao Tao Xingyu Zhang Haiqiang Dong Yuyang Zhang 《Horticultural Plant Journal》 SCIE CAS CSCD 2024年第2期515-531,共17页
High temperature stress is one of the major environmental factors that affect the growth and development of plants. Although WRKY transcription factors play a critical role in stress responses, there are few studies o... High temperature stress is one of the major environmental factors that affect the growth and development of plants. Although WRKY transcription factors play a critical role in stress responses, there are few studies on the regulation of heat stress by WRKY transcription factors,especially in tomato. Here, we identified a group I WRKY transcription factor, SlWRKY3, involved in thermotolerance in tomato. First, SlWRKY3 was induced and upregulated under heat stress. Accordingly, overexpression of SlWRKY3 led to an increase, whereas knock-out of SlWRKY3 resulted in decreased tolerance to heat stress. Overexpression of SlWRKY3 accumulated less reactive oxygen species(ROS), whereas knock-out of SlWRKY3 accumulated more ROS under heat stress. This indicated that SlWRKY3 positively regulates heat stress in tomato. In addition,SlWRKY3 activated the expression of a range of abiotic stress-responsive genes involved in ROS scavenging, such as a SlGRXS1 gene cluster.Further analysis showed that SlWRKY3 can bind to the promoters of the SlGRXS1 gene cluster and activate their expression. Collectively, these results imply that SlWRKY3 is a positive regulator of thermotolerance through direct binding to the promoters of the SlGRXS1 gene cluster and activating their expression and ROS scavenging. 展开更多
关键词 TOMATO WRKY transcription factor SlWRKY3 THERMOTOLERANCE SlGRXS1 gene cluster Abiotic stress
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Unilateral rNurr1-V5 transgene expression in nigral dopaminergic neurons mitigates bilateral neuropathology and behavioral deficits in parkinsonian rats withα-synucleinopathy
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作者 Bismark Gatica-Garcia Michael J.Bannon +14 位作者 Irma Alicia Martínez-Dávila Luis O.Soto-Rojas David Reyes-Corona Lourdes Escobedo Minerva Maldonado-Berny ME Gutierrez-Castillo Armando J.Espadas-Alvarez Manuel A.Fernandez-Parrilla Juan U.Mascotte-Cruz CP Rodríguez-Oviedo Irais E.Valenzuela-Arzeta Claudia Luna-Herrera Francisco E.Lopez-Salas Jaime Santoyo-Salazar Daniel Martinez-Fong 《Neural Regeneration Research》 SCIE CAS CSCD 2024年第9期2057-2067,共11页
Parkinsonism by unilateral,intranigralβ-sitosterolβ-D-glucoside administration in rats is distinguished in that theα-synuclein insult begins unilaterally but spreads bilaterally and increases in severity over time,... Parkinsonism by unilateral,intranigralβ-sitosterolβ-D-glucoside administration in rats is distinguished in that theα-synuclein insult begins unilaterally but spreads bilaterally and increases in severity over time,thus replicating several clinical features of Parkinson’s disease,a typicalα-synucleinopathy.As Nurr1 repressesα-synuclein,we evaluated whether unilateral transfected of rNurr1-V5 transgene via neurotensin-polyplex to the substantia nigra on day 30 after unilateralβ-sitosterolβ-D-glucoside lesion could affect bilateral neuropathology and sensorimotor deficits on day 30 post-transfection.This study found that rNurr1-V5 expression but not that of the green fluorescent protein(the negative control)reducedβ-sitosterolβ-D-glucoside-induced neuropathology.Accordingly,a bilateral increase in tyrosine hydroxylase-positive cells and arborization occurred in the substantia nigra and increased tyrosine hydroxylase-positive ramifications in the striatum.In addition,tyrosine hydroxylase-positive cells displayed less senescence markerβ-galactosidase and more neuron-cytoskeleton markerβIII-tubulin and brain-derived neurotrophic factor.A significant decrease in activated microglia(positive to ionized calcium-binding adaptor molecule 1)and neurotoxic astrocytes(positive to glial fibrillary acidic protein and complement component 3)and increased neurotrophic astrocytes(positive to glial fibrillary acidic protein and S100 calcium-binding protein A10)also occurred in the substantia nigra.These effects followed the bilateral reduction inα-synuclein aggregates in the nigrostriatal system,improving sensorimotor behavior.Our results show that unilateral rNurr1-V5 transgene expression in nigral dopaminergic neurons mitigates bilateral neurodegeneration(senescence and loss of neuron-cytoskeleton and tyrosine hydroxylase-positive cells),neuroinflammation(activated microglia,neurotoxic astrocytes),α-synuclein aggregation,and sensorimotor deficits.Increased neurotrophic astrocytes and brain-derived neurotrophic factor can mediate the rNurr1-V5 effect,supporting its potential clinical use in the treatment of Parkinson’s disease. 展开更多
关键词 A1 astrocytes A2 astrocytes gene therapy microglia motor deficits nanoparticles neurodegeneration neuroinflammation senescence α-synuclein aggregates
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Pathogenesis of chronic enteropathy associated with the SLCO2A1 gene:Hypotheses and conundrums
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作者 Zhi-Xin Xie Yue Li +2 位作者 Ai-Ming Yang Dong Wu Qiang Wang 《World Journal of Gastroenterology》 SCIE CAS 2024年第19期2505-2511,共7页
Chronic enteropathy associated with the SLCO2A1 gene(CEAS)is a complex gastroenterological condition characterized by multiple ulcers in the small intestine with chronic bleeding and protein loss.This review explores ... Chronic enteropathy associated with the SLCO2A1 gene(CEAS)is a complex gastroenterological condition characterized by multiple ulcers in the small intestine with chronic bleeding and protein loss.This review explores the potential mechanisms underlying the pathogenesis of CEAS,focusing on the role of SLCO2A1-encoded prostaglandin transporter OATP2A1 and its impact on prostaglandin E2(PGE2)levels.Studies have suggested that elevated PGE2 levels contribute to mucosal damage,inflammation,and disruption of the intestinal barrier.The effects of PGE2 on macrophage activation and Maxi-Cl channel functionality,as well as its interaction with nonsteroidal anti-inflammatory drugs play crucial roles in the progression of CEAS.Understanding the balance between its protective and pro-inflammatory effects and the complex interactions within the gastrointestinal tract can shed light on potential therapeutic targets for CEAS and guide the development of novel,targeted therapies. 展开更多
关键词 SLCO2A1 Prostaglandin E2 Chronic enteropathy associated with the SLCO2A1 gene Small intestine MACROPHAGE
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AAV2-PDE6B restores retinal structure and function in the retinal degeneration 10 mouse model of retinitis pigmentosa by promoting phototransduction and inhibiting apoptosis
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作者 Ruiqi Qiu Mingzhu Yang +5 位作者 Xiuxiu Jin Jingyang Liu Weiping Wang Xiaoli Zhang Jinfeng Han Bo Lei 《Neural Regeneration Research》 SCIE CAS 2025年第8期2408-2419,共12页
Retinitis pigmentosa is a group of inherited diseases that lead to retinal degeneration and photoreceptor cell death.However,there is no effective treatment for retinitis pigmentosa caused by PDE6B mutation.Adeno-asso... Retinitis pigmentosa is a group of inherited diseases that lead to retinal degeneration and photoreceptor cell death.However,there is no effective treatment for retinitis pigmentosa caused by PDE6B mutation.Adeno-associated virus(AAV)-mediated gene therapy is a promising strategy for treating retinitis pigmentosa.The aim of this study was to explore the molecular mechanisms by which AAV2-PDE6B rescues retinal function.To do this,we injected retinal degeneration 10(rd10)mice subretinally with AAV2-PDE6B and assessed the therapeutic effects on retinal function and structure using dark-and light-adapted electroretinogram,optical coherence tomography,and immunofluorescence.Data-independent acquisition-mass spectrometry-based proteomic analysis was conducted to investigate protein expression levels and pathway enrichment,and the results from this analysis were verified by real-time polymerase chain reaction and western blotting.AAV2-PDE6B injection significantly upregulated PDE6βexpression,preserved electroretinogram responses,and preserved outer nuclear layer thickness in rd10 mice.Differentially expressed proteins between wild-type and rd10 mice were closely related to visual perception,and treating rd10 mice with AAV2-PDE6B restored differentially expressed protein expression to levels similar to those seen in wild-type mice.Kyoto Encyclopedia of Genes and Genome analysis showed that the differentially expressed proteins whose expression was most significantly altered by AAV2-PDE6B injection were enriched in phototransduction pathways.Furthermore,the phototransductionrelated proteins Pde6α,Rom1,Rho,Aldh1a1,and Rbp1 exhibited opposite expression patterns in rd10 mice with or without AAV2-PDE6B treatment.Finally,Bax/Bcl-2,p-ERK/ERK,and p-c-Fos/c-Fos expression levels decreased in rd10 mice following AAV2-PDE6B treatment.Our data suggest that AAV2-PDE6B-mediated gene therapy promotes phototransduction and inhibits apoptosis by inhibiting the ERK signaling pathway and upregulating Bcl-2/Bax expression in retinitis pigmentosa. 展开更多
关键词 APOPTOSIS AAV2-PDE6B ERK1/2 gene therapy PHOTOTRANSDUCTION PROTEOMICS rd10 retinitis pigmentosa
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Studies on the temporal,structural,and interacting features of the clubroot resistance gene Rcr1 using CRISPR/Cas9-based systems
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作者 Hao Hu Fengqun Yu 《Horticultural Plant Journal》 SCIE CAS CSCD 2024年第4期1035-1048,共14页
Clubroot disease is a severe threat to Brassica crops globally,particularly in western Canada.Genetic resistance,achieved through pyramiding clubroot resistance(CR)genes with different modes of action,is the most impo... Clubroot disease is a severe threat to Brassica crops globally,particularly in western Canada.Genetic resistance,achieved through pyramiding clubroot resistance(CR)genes with different modes of action,is the most important strategy for managing the disease.However,studies on the CR gene functions are quite limited.In this study,we have conducted investigations into the temporal,structural,and interacting features of a newly cloned CR gene,Rcr1,using CRISPR/Cas9 technology.For temporal functionality,we developed a novel CRISPR/Cas9-based binary vector,pHHIGR-Hsp18.2,to deliver Rcr1 into a susceptible canola line(DH12075)and observed that early expression of Rcr1 is critical for conferring resistance.For structural functionality,several independent mutations in specific domains of Rcr1 resulted in loss-offunction,highlighting their importance for CR phenotype.In the study of the interacting features of Rcr1,a cysteine protease gene and its homologous allele in canola were successfully disrupted via CRISPR/Cas9 as an interacting component with Rcr1 protein,resulting in the conversion from clubroot resistant to susceptible in plants carrying intact Rcr1.These results indicated an indispensable role of these two cysteine proteases in Rcr1-mediated resistance response.This study,the first of its kind,provides valuable insights into the functionality of Rcr1.Further,the new vector p HHIGR-Hsp18.2 demonstrated an inducible feature on the removal of add-on traits,which should be useful for functional genomics and other similar research in brassica crops. 展开更多
关键词 Clubroot resistance Brassica crops CANOLA Rcr1 CRISPR/Cas9 system gene knock-out Timing control Non-synonymous mutation Protein-protein interaction
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Association between 5-HTR1A gene C-1019G polymorphism and antidepressant response in patients with major depressive disorder:A meta-analysis
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作者 Huai-Neng Wu Shuang-Yue Zhu +2 位作者 Li-Na Zhang Bian-Hong Shen Lian-Lian Xu 《World Journal of Psychiatry》 SCIE 2024年第10期1573-1582,共10页
BACKGROUND Major depressive disorder(MDD)is a substantial global health concern,and its treatment is complicated by the variability in individual response to antide-pressants.AIM To consolidate research and clarify th... BACKGROUND Major depressive disorder(MDD)is a substantial global health concern,and its treatment is complicated by the variability in individual response to antide-pressants.AIM To consolidate research and clarify the impact of genetic variation on MDD treatment outcomes.METHODS Adhering to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines,a systematic search across PubMed,EMBASE,Web of Science,and the Cochrane Library was conducted without date restrictions,utilizing key terms related to MDD,serotonin 1A receptor polymorphism(5-HTR1A),C-1019G polymorphism,and antidepressant response.Studies meeting inclusion criteria were thoroughly screened,and quality assessed using the Newcastle-Ottawa Scale.Statistical analyses,includingχ2 and I²values,were used to evaluate heterogeneity and fixed-effect or random-effect models were applied accordingly.RESULTS The initial search yielded 1216 articles,with 11 studies meeting criteria for inclusion.Analysis of various genetic models showed no significant association between the 5-HTR1A C-1019G polymorphism and antidepressant efficacy.The heterogeneity was low to moderate,and no publication bias was detected through funnel plot symmetry and Egger's and Begg's tests.CONCLUSION This meta-analysis does not support a significant association between the 5-HTR1A C-1019G polymorphism and the efficacy of antidepressant treatment in MDD.The findings call for further research with larger cohorts to substantiate these results and enhance the understanding of antidepressant pharmacogenetics. 展开更多
关键词 Major depressive disorder Antidepressant efficacy 5-HTR1A gene C-1019G polymorphism META-ANALYSIS
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Assessment of pathogenicity and functional characterization of APPL1 gene mutations in diabetic patients
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作者 Ping Shi Yang Tian +7 位作者 Feng Xu Lu-Na Liu Wan-Hong Wu Ying-Zhou Shi An-Qi Dai Hang-Yu Fang Kun-Xia Li Chao Xu 《World Journal of Diabetes》 SCIE 2024年第2期275-286,共12页
BACKGROUND Adaptor protein,phosphotyrosine interacting with PH domain and leucine zipper 1(APPL1)plays a crucial role in regulating insulin signaling and glucose metabolism.Mutations in the APPL1 gene have been associ... BACKGROUND Adaptor protein,phosphotyrosine interacting with PH domain and leucine zipper 1(APPL1)plays a crucial role in regulating insulin signaling and glucose metabolism.Mutations in the APPL1 gene have been associated with the development of maturity-onset diabetes of the young type 14(MODY14).Currently,only two mutations[c.1655T>A(p.Leu552*)and c.281G>A p.(Asp94Asn)]have been identified in association with this disease.Given the limited understanding of MODY14,it is imperative to identify additional cases and carry out comprehensive research on MODY14 and APPL1 mutations.AIM To assess the pathogenicity of APPL1 gene mutations in diabetic patients and to characterize the functional role of the APPL1 domain.METHODS Patients exhibiting clinical signs and a medical history suggestive of MODY were screened for the study.Whole exome sequencing was performed on the patients as well as their family members.The pathogenicity of the identified APPL1 variants was predicted on the basis of bioinformatics analysis.In addition,the pathogenicity of the novel APPL1 variant was preliminarily evaluated through in vitro functional experiments.Finally,the impact of these variants on APPL1 protein expression and the insulin pathway were assessed,and the potential mechanism underlying the interaction between the APPL1 protein and the insulin receptor was further explored.RESULTS A total of five novel mutations were identified,including four missense mutations(Asp632Tyr,Arg633His,Arg532Gln,and Ile642Met)and one intronic mutation(1153-16A>T).Pathogenicity prediction analysis revealed that the Arg532Gln was pathogenic across all predictions.The Asp632Tyr and Arg633His variants also had pathogenicity based on MutationTaster.In addition,multiple alignment of amino acid sequences showed that the Arg532Gln,Asp632Tyr,and Arg633His variants were conserved across different species.Moreover,in in vitro functional experiments,both the c.1894G>T(at Asp632Tyr)and c.1595G>A(at Arg532Gln)mutations were found to downregulate the expression of APPL1 on both protein and mRNA levels,indicating their pathogenic nature.Therefore,based on the patient’s clinical and family history,combined with the results from bioinformatics analysis and functional experiment,the c.1894G>T(at Asp632Tyr)and c.1595G>A(at Arg532Gln)mutations were classified as pathogenic mutations.Importantly,all these mutations were located within the phosphotyrosinebinding domain of APPL1,which plays a critical role in the insulin sensitization effect.CONCLUSION This study provided new insights into the pathogenicity of APPL1 gene mutations in diabetes and revealed a potential target for the diagnosis and treatment of the disease. 展开更多
关键词 Adaptor protein phosphotyrosine interacting with PH domain and leucine zipper 1 Maturity-onset diabetes of the young Bioinformatics analysis gene mutation DOMAIN
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Understanding the role of transmembrane 9 superfamily member 1 in bladder cancer pathogenesis
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作者 Venkata Krishna Vamsi Gade Budhi Singh Yadav 《World Journal of Clinical Oncology》 2024年第4期468-471,共4页
In this editorial we comment on the article by Wei et al,published in the recent issue of the World Journal of Clinical Oncology.The authors investigated the role of Transmembrane 9 superfamily member 1(TM9SF1)protein... In this editorial we comment on the article by Wei et al,published in the recent issue of the World Journal of Clinical Oncology.The authors investigated the role of Transmembrane 9 superfamily member 1(TM9SF1)protein in bladder cancer(BC)carcinogenesis.Lentiviral vectors were used to achieve silencing or overexpression of TM9SF1 gene in three BC cell lines.These cell lines were then subject to cell counting kit 8,wound-healing assay,transwell assay,and flow cytometry.Proliferation,migration,and invasion of BC cells were increased in cell lines subjected to TM9SF1 overexpression.TM9SF1 silencing inhibited proliferation,migration and invasion of BC cells.The authors conclude that TM9SF1 may be an oncogene in bladder cancer pathogenesis. 展开更多
关键词 Urinary bladder cancer Transmembrane 9 superfamily member 1 gene cell line Lentiviral vectors Wound healing assay ONCOgene Proliferation Migration
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抑制lncRNA TUG1下调核苷酸结合寡聚结构域样受体蛋白1炎症小体在延缓阿尔茨海默病进展的作用 被引量:1
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作者 马婷婷 陈建红 +1 位作者 刘爱翠 李海宁 《解剖学报》 CAS CSCD 2024年第1期32-42,共11页
目的探讨敲低长链非编码RNA(lncRNA)牛磺酸上调基因1(TUG1)抑制核苷酸结合寡聚结构域样受体蛋白1(NLRP1)炎症小体在缓解阿尔茨海默病进展中的作用。方法选取9~10周龄遗传背景为C57/BL6的野生型小鼠(WT组,10只)或淀粉样前体蛋白(APP)/早... 目的探讨敲低长链非编码RNA(lncRNA)牛磺酸上调基因1(TUG1)抑制核苷酸结合寡聚结构域样受体蛋白1(NLRP1)炎症小体在缓解阿尔茨海默病进展中的作用。方法选取9~10周龄遗传背景为C57/BL6的野生型小鼠(WT组,10只)或淀粉样前体蛋白(APP)/早老素1(PS1)转基因小鼠(30只)。APP/PS1转基因小鼠随机分为模型(model)组,模型+敲低lncRNA TUG1组[model+lncRNA TUG1短发夹RNA(shRNA)组]和model+shRNA非靶标(NT)组,每组10只。分别采集12周龄第1天(3月龄)和32周龄第1天(8月龄)小鼠外周血和脑皮质组织,并分离皮质中的原代小胶质细胞和原代星形胶质细胞,每个时间点每组5只小鼠。Real-time PCR分别测定3月龄和8月龄上述4个分组小鼠脑皮质组织和原代小胶质细胞中lncRNA TUG1和巨噬细胞移动抑制因子(MIF)mRNA的水平,以及原代星形胶质细胞中补体蛋白C1r和C1s mRNA的水平。ELISA法测定其外周血浆中MIF含量。对3月龄和8月龄小鼠脑皮质原代小胶质细胞和原代星形胶质细胞共培养。CCK-8法测定上述2种细胞的增殖能力。Western blotting分别测定3月龄和8月龄上述4个分组小鼠脑皮质组织中MIF、白细胞介素1β前体(pro-IL-1β)、凋亡相关斑点样蛋白(ASC)、Caspase-1(p20)、Caspase-1(full)、NLRP1及NLRP3蛋白的表达水平。采用免疫荧光染色法测定8月龄各分组小鼠脑皮质组织中β淀粉样蛋白(Aβ)表达。结果3月龄和8月龄时,与WT组小鼠相比,model组小鼠脑皮质组织和原代小胶质细胞中lncRNA TUG1和MIF相对表达水平显著上调,原代小胶质细胞和原代星形胶质细胞增殖能力增强(P<0.05)。与model组相比,model+lncRNA TUG1 shRNA组小鼠脑皮质组织和原代小胶质细胞中lncRNA TUG1和MIF的相对表达水平显著降低,原代小胶质细胞和原代星形胶质细胞增殖能力降低(P<0.05)。与WT组相比,model组小鼠外周血浆中MIF含量显著升高;小鼠脑皮质组织中pro-IL-1β、ASC、Caspase-1(p20)、Caspase-1(full)、NLRP1以及NLRP3的蛋白表达水平显著升高;Aβ免疫荧光强度明显增强(P<0.05)。与model组相比,model+lncRNA TUG1 shRNA组小鼠外周血浆中MIF含量显著降低;小鼠脑皮质组织中pro-IL-1β、ASC、Caspase-1(p20)、Caspase-1(full)和NLRP1的蛋白表达水平显著降低,Aβ免疫荧光强度明显降低(P<0.05),而NLRP3蛋白质的表达水平无明显变化(P>0.05)。与model组相比,model+shRNA NT组小鼠上述所有检测指标差异均无显著性(P>0.05)。结论APP/PS1转基因小鼠脑皮质组织和原代小胶质细胞中lncRNA TUG1和MIF因子表达上调与脑皮质内NLRP1炎症小体激活成正相关,敲低lncRNA TUG1可缓解阿尔茨海默病的进展。 展开更多
关键词 阿尔茨海默病 长链非编码RNA 牛磺酸上调基因1 巨噬细胞移动抑制因子 核苷酸结合寡聚结构域样受体蛋白1 免疫印迹法 小鼠
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STXBP1基因相关脑病患儿的临床表型和基因变异分析
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作者 李小丽 张晓莉 +4 位作者 李肖 韩瑞 徐丹 甘玲 贾天明 《临床儿科杂志》 CAS CSCD 北大核心 2024年第2期127-132,共6页
目的探讨STXBP 1基因相关脑病患儿的临床表型和基因变异情况。方法回顾性总结2015年10月至2022年5月收治的11例STXBP 1基因相关脑病患儿的临床资料,分析其临床表型、基因结果、治疗及疗效情况。结果11例患儿中男4例,女7例,10例患儿存在... 目的探讨STXBP 1基因相关脑病患儿的临床表型和基因变异情况。方法回顾性总结2015年10月至2022年5月收治的11例STXBP 1基因相关脑病患儿的临床资料,分析其临床表型、基因结果、治疗及疗效情况。结果11例患儿中男4例,女7例,10例患儿存在癫痫发作伴发育迟缓,1例患儿仅表现为发育迟缓。癫痫首发年龄为3天~1岁半,3个月以内起病者6例,3~12个月起病者3例,1岁以上起病者1例。常见的发作类型为痉挛和局灶发作。11例患儿均存在脑电图异常包括背景慢、多灶放电、爆发抑制和高度失律等。2例早期为大田原综合征,后期演变为婴儿痉挛症,5例为婴儿痉挛症,余为不能分型的癫痫综合征。4例患儿头颅MRI存在非特异性异常,包括髓鞘化发育落后、额颞部蛛网膜下隙增宽。所有患儿均存在STXBP1基因变异,共有11种突变类型,其中错义突变7例、移码突变1例、剪切突变1例、缺失突变2例,7例患儿的突变位点尚未见文献报道,分别为c.1694T>A、c.1115T>G、C.133_135del、C.1543 dupG、6-17号外显子杂合缺失、C.429+1 G>C、C.855 C>G及c.842_843 insGGACGACGGCCTGTGGATAGC ACT。随访中11例患儿均存在不同程度发育迟缓,2例患儿已死亡,4例患儿存在孤独症样表现。10例癫痫患儿均应用左乙拉西坦治疗,1例为单独应用完全缓解,5例患儿部分有效,4例患儿无效。3例患儿癫痫发作完全缓解,余7例为药物难治性癫痫。结论STXBP1脑病患儿发育迟缓相对严重,婴儿痉挛症表型最常见,癫痫治疗效果存在明显异质性,7个未报道突变位点丰富了STXBP1脑病的基因谱。 展开更多
关键词 STXBP1基因 发育性癫痫性脑病 发育迟缓
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MCP-1基因对脓毒症急性肾损伤发生的作用研究
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作者 郭峻氚 王静静 +2 位作者 郭仁楠 肖东 刘艳 《新疆医科大学学报》 CAS 2024年第4期512-517,共6页
目的研究单核细胞趋化蛋白-1(MCP-1)基因对脓毒症急性肾损伤(AKI)发生的作用。方法选取2022年9月-2023年9月新疆维吾尔自治区人民医院重症医学科收治的50例脓毒症AKI患者作为AKI组,纳入同期50例健康受试者作为对照组。分别采集全部受试... 目的研究单核细胞趋化蛋白-1(MCP-1)基因对脓毒症急性肾损伤(AKI)发生的作用。方法选取2022年9月-2023年9月新疆维吾尔自治区人民医院重症医学科收治的50例脓毒症AKI患者作为AKI组,纳入同期50例健康受试者作为对照组。分别采集全部受试者清晨空腹静脉血5 mL,采用ELISA法测定AKI患者及健康人群血清中MCP-1的表达情况;通过原代培养肾小管上皮细胞,利用CK14和CK18抗体进行细胞免疫荧光鉴定,过表达和干扰MCP-1基因,利用CCK8细胞增殖检测试剂盒和RT-qPCR检测肾小管上皮细胞增殖情况和肿瘤坏死因子α(TNF-α)、白细胞介素-1β(IL-1β)、白细胞介素6(IL-6)、白细胞介素10(IL-10)、γ-干扰素(IFN-γ)炎性因子表达的变化。结果与对照组相比,AKI组患者外周血中和尿液中的MCP-1表达量显著升高(P均<0.05);通过细胞免疫荧光鉴定,选择上皮细胞标志物CK14和CK18,原代培养24 h,90%以上的细胞表达细胞标志物CK18,约84%的细胞表达CK14;与NC组相比,siRNA组在24、48 h细胞数量增加(P均<0.05);与MCP-1组相比,siRNA组在24、48、72 h的细胞数量增加(P均<0.05);NC组的IL-1β、IL-6、INF-γ因子的表达水平随时间推移逐渐升高,MCP-1组的IL-1β、IL-6、IL-10、INF-γ和TNF-α因子的表达水平随时间推移逐渐升高,siRNA组的IL-1β、IL-6、INF-γ因子表达水平随时间推移无明显升高趋势。结论MCP-1基因在脓毒症急性肾损伤的发病机制中可能发挥重要作用,该基因可能通过调节IL-1β等炎性细胞因子的表达来抑制肾小管上皮细胞的生长和增殖,从而参与脓毒症患者的AKI过程。 展开更多
关键词 MCP-1基因 脓毒症 肾小管上皮细胞 炎症反应
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lncRNA TUG1靶向调节miR-31-5p对急性胰腺炎小鼠炎症反应的影响 被引量:1
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作者 林昌永 王海波 朱千三 《中国免疫学杂志》 CAS CSCD 北大核心 2024年第5期1048-1054,共7页
目的:探讨长链非编码RNA牛磺酸上调基因1(lncRNA TUG1)在急性胰腺炎(AP)中的作用机制。方法:体外培养小鼠胰腺腺泡细胞系(MPC-83),用脂多糖(LPS,10μg/ml)和雨蛙素(Caerulein,100 nmol/L)处理3 h,建立AP模型。实验分为对照组(control组)... 目的:探讨长链非编码RNA牛磺酸上调基因1(lncRNA TUG1)在急性胰腺炎(AP)中的作用机制。方法:体外培养小鼠胰腺腺泡细胞系(MPC-83),用脂多糖(LPS,10μg/ml)和雨蛙素(Caerulein,100 nmol/L)处理3 h,建立AP模型。实验分为对照组(control组)、AP组、AP+sh-NC组、AP+sh-TUG1组、AP+sh-TUG1+inhibitor-NC组、AP+sh-TUG1+miR-31-5p inhibitor组。实时荧光定量PCR(qRT-PCR)检测细胞中lncRNA TUG1和miR-31-5p表达水平;CCK-8法检测细胞活力;流式细胞术检测细胞凋亡;ELISA检测细胞上清液中IL-1β、肿瘤坏死因子α(TNF-α)水平;双荧光素酶报告基因实验验证lncRNA TUG1和miR-31-5p之间的靶向关系。构建AP小鼠模型,给予相应的干预后,qRT-PCR检测胰腺组织中lncRNA TUG1和miR-31-5p表达水平;试剂盒检测血清中炎症因子IL-1β、TNF-α含量和淀粉酶(AMY)和脂肪酶(Lipase)活性;HE染色观察胰腺组织病理学变化;TUNEL检测胰腺组织中细胞凋亡。结果:在Caerulein和LPS共同处理的MPC-83细胞中lncRNA TUG1水平、细胞凋亡率、IL-1β和TNF-α水平升高,miR-31-5p水平、细胞活力降低(均P<0.05);敲低lncRNA TUG1可上调miR-31-5p,增加细胞活力,降低IL-1β和TNF-α水平,抑制细胞凋亡(均P<0.05);下调miR-31-5p表达可减弱敲低lncRNA TUG1对细胞炎症反应的抑制作用。miR-31-5p是lncRNA TUG1的直接靶标。在体内敲低lncRNA TUG1表达可上调AP小鼠胰腺组织中miR-31-5p表达,降低IL-1β、TNF-α水平,减少细胞凋亡,改善胰腺组织损伤。结论:敲低lncRNA TUG1可能通过上调miR-31-5p表达水平,抑制炎症反应,改善AP。 展开更多
关键词 长链非编码RNA牛磺酸上调基因1 急性胰腺炎 腺泡细胞 炎症 miR-31-5p
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唾液腺腺泡细胞癌中NR4A3基因重排及NOR-1蛋白表达分析
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作者 王敏 钱佳骏 +4 位作者 薛俊青 顾挺 胡宇华 陈颖 夏荣辉 《中国口腔颌面外科杂志》 CAS 2024年第3期249-254,共6页
目的:探讨NR4A3基因重排和NOR-1蛋白表达在唾液腺腺泡细胞癌中的表达及在鉴别诊断中的价值。方法:收集2020年5月—2024年1月于上海交通大学医学院附属第九人民医院口腔病理科诊断的唾液腺癌119例,包括腺泡细胞癌(acinic cell carcinoma,... 目的:探讨NR4A3基因重排和NOR-1蛋白表达在唾液腺腺泡细胞癌中的表达及在鉴别诊断中的价值。方法:收集2020年5月—2024年1月于上海交通大学医学院附属第九人民医院口腔病理科诊断的唾液腺癌119例,包括腺泡细胞癌(acinic cell carcinoma,AciCC)63例,黏液表皮样癌(mucoepidermoid carcinoma,MEC)31例,分泌性癌(secretory carcinoma,SC)25例。分别使用荧光原位杂交和免疫组织化学染色检测NR4A3基因重排和NOR-1蛋白表达情况,采用SPSS 18.0软件包对数据进行统计学分析。结果:AciCC主要发生于大唾液腺。与MEC和SC相比,AciCC好发于女性(P=0.006)。NR4A3基因重排在AciCC、MEC和SC中的阳性率分别为76.2%(48/63)、0%(0/10)和0%(0/7),NOR-1蛋白表达在AciCC、MEC和SC中的阳性率分别为92.1%(58/63)、9.7%(3/31)和0%(0/25),差异具有统计学意义(P<0.001)。单独使用NR4A3基因重排诊断AciCC时,灵敏度和特异度分别为76.2%和100%。单独使用NOR-1蛋白表达诊断AciCC时,灵敏度和特异度分别为92.1%和94.6%。联合使用NR4A3基因重排和NOR-1蛋白表达诊断AciCC时,灵敏度和特异度分别为96.8%和94.6%,曲线下面积为0.896,诊断价值最优。结论:AciCC好发于女性,主要发病部位为大唾液腺。NR4A3基因重排仅见于AciCC中,在诊断工作中具有100%的特异性,但敏感性较低。NOR-1蛋白表达检测具有很好的灵敏度和特异度,可作为鉴别AciCC、MEC和SC的初筛和替代方法。联合使用NR4A3基因重排和NOR-1蛋白表达检测具有最优的诊断价值。 展开更多
关键词 腺泡细胞癌 唾液腺 NR4A3 基因重排 NOR-1 蛋白表达
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食蟹猴重复给予溶瘤病毒药物HSV-1/hPD-1的毒性研究
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作者 王欣 田超 +8 位作者 赵锐 孙立 潘东升 屈哲 苗玉发 李路路 王田田 李劲风 耿兴超 《中国药事》 CAS 2024年第4期393-400,共8页
目的:考察食蟹猴重复给予溶瘤病毒药物HSV-1/hPD-1后的体内毒性,探索安全剂量范围,为后续临床试验提供参考信息。方法:30只食蟹猴随机分成3组,包括溶媒对照组和低、高剂量(1.0×10^(8)、4.0×10^(8)pfu)组,每组10只,雌雄各半。... 目的:考察食蟹猴重复给予溶瘤病毒药物HSV-1/hPD-1后的体内毒性,探索安全剂量范围,为后续临床试验提供参考信息。方法:30只食蟹猴随机分成3组,包括溶媒对照组和低、高剂量(1.0×10^(8)、4.0×10^(8)pfu)组,每组10只,雌雄各半。采用肌肉注射给药,每周给药2次,连续给药6周,恢复期8周。试验期间,每天观察动物的临床症状和摄食量,每次给药后1~2天观察注射部位症状,每周称量体重。分别在检疫期、首次给药后、给药期结束、恢复期结束的不同时间点进行安全药理(体温、血压、心电图)测定、临床病理(血液学、血凝、血清生化、尿生化)检查、免疫学(T淋巴细胞、细胞因子、免疫原性)测定、组织病理学检查和脏器称重。结果:给药后,动物未见异常症状、注射部位刺激性、体重和摄食量改变,未见安全药理和临床病理指标有意义的变化。与溶媒对照组比较,第41天,低剂量会引起动物CD3^(+)CD4^(+)T细胞比例升高,高剂量未见明显变化。第13至97天,低、高剂量均能引起动物产生抗载体结合抗体、抗抗体,以及个别动物检出hPD-1表达产物。证明药物在体内产生免疫活性和介导免疫原性。组织病理学检查显示,给药期结束时,低、高剂量组动物注射部位极轻度至中度混合细胞浸润,高剂量组动物坐骨神经极轻度髓鞘/轴突变性;恢复期结束时注射部位病变减为极轻度,坐骨神经病变未见恢复趋势。低、高剂量组动物未见组织脏器重量改变。结论:食蟹猴重复给予溶瘤病毒药物HSV-1/hPD-1后,动物体内耐受良好,受试物未见毒性反应剂量(NOAEL)是1.0×10^(8)pfu。上述研究结果为药物开展临床试验提供了数据支持。 展开更多
关键词 溶瘤病毒 基因治疗 食蟹猴 重复给药毒性 生物分布 免疫原性 PD-1抗体
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