This editorial reviews the molecular mechanisms underlying the roles of the long non-coding RNA(lncRNA)small nucleolar RNA host gene 16(SNHG16)in digestive system cancers based on two recent studies on lncRNAs in dige...This editorial reviews the molecular mechanisms underlying the roles of the long non-coding RNA(lncRNA)small nucleolar RNA host gene 16(SNHG16)in digestive system cancers based on two recent studies on lncRNAs in digestive system tumors.The first study,by Zhao et al,explored how hBD-1 affects colon cancer,via the lncRNA TCONS_00014506,by inhibiting mTOR and promoting autophagy.The second one,by Li et al,identified the lncRNA prion protein testis specific(PRNT)as a factor in oxaliplatin resistance by sponging ZNF184 to regulate HIPK2 and influence colorectal cancer progression and chemoresistance,suggesting PRNT as a potential therapeutic target for colorectal cancer.Both of these two articles discuss the mechanisms by which lncRNAs contribute to the development and progression of digestive system cancers.As a recent research hotspot,SNHG16 is a typical lncRNA that has been extensively studied for its association with digestive system cancers.The prevailing hypothesis is that SNHG16 participates in the development and progression of digestive system tumors by acting as a competing endogenous RNA,interacting with other proteins,regulating various genes,and affecting downstream target molecules.This review systematically examines the recently reported biological functions,related molecular mechanisms,and potential clinical significance of SNHG16 in various digestive system cancers,and explores the relationship between SNHG16 and digestive system cancers.The findings suggest that SNHG16 may serve as a potential biomarker and therapeutic target for human digestive system cancers.展开更多
Small nucleolar RNAs(snoRNAs)represent a class of non-coding RNAs that play pivotal roles in post-transcriptional RNA processing and modification,thereby contributing significantly to the maintenance of cellular funct...Small nucleolar RNAs(snoRNAs)represent a class of non-coding RNAs that play pivotal roles in post-transcriptional RNA processing and modification,thereby contributing significantly to the maintenance of cellular functions related to protein synthesis.SnoRNAs have been discovered to possess the ability to influence cell fate and alter disease progression,holding immense potential in controlling human diseases.It is suggested that the dysregulation of snoRNAs in cancer exhibits differential expression across various cancer types,stages,metastasis,treatment response and/or prognosis in patients.On the other hand,colorectal cancer(CRC),a prevalent malignancy of the digestive system,is characterized by high incidence and mortality rates,ranking as the third most common cancer type.Recent research indicates that snoRNA dysregulation is associated with CRC,as snoRNA expression significantly differs between normal and cancerous conditions.Consequently,assessing snoRNA expression level and function holds promise for the prognosis and diagnosis of CRC.Nevertheless,current comprehension of the potential roles of snoRNAs in CRC remains limited.This review offers a comprehensive survey of the aberrant regulation of snoRNAs in CRC,providing valuable insights into the discovery of novel biomarkers,therapeutic targets,and potential tools for the diagnosis and treatment of CRC and furnishing critical cues for advancing research into CRC and the judicious selection of therapeutic targets.展开更多
Objective:To determine the genetic diversity of Plasmodium(P.)knowlesi isolates from Sabah,Malaysian Borneo and Peninsular Malaysia,targeting the S-type SSU rRNA gene and including aspects of natural selection and hap...Objective:To determine the genetic diversity of Plasmodium(P.)knowlesi isolates from Sabah,Malaysian Borneo and Peninsular Malaysia,targeting the S-type SSU rRNA gene and including aspects of natural selection and haplotype.Methods:Thirty-nine blood samples infected with P.knowlesi were collected in Sabah,Malaysian Borneo and Peninsular Malaysia.The S-type SSU rRNA gene was amplified using polymerase chain reaction,cloned into a vector,and sequenced.The natural selection and haplotype of the S-type SSU rRNA gene sequences were determined using DnaSP v6 and illustrated using NETWORK v10.This study's 39 S-type SSU rRNA sequences and eight sequences from the Genbank database were subjected to phylogenetic analysis using MEGA 11.Results:Overall,the phylogenetic analysis showed no evidence of a geographical cluster of P.knowlesi isolates from different areas in Malaysia based on the S-type SSU rRNA gene sequences.The S-type SSU rRNA gene sequences were relatively conserved and with a purifying effect.Haplotype sharing of the S-type SSU rRNA gene was observed between the P.knowlesi isolates in Sabah,Malaysian Borneo,but not between Sabah,Malaysian Borneo and Peninsular Malaysia.Conclusions:This study suggests that the S-type SSU rRNA gene of P.knowlesi isolates in Sabah,Malaysian Borneo,and Peninsular Malaysia has fewer polymorphic sites,representing the conservation of the gene.These features make the S-type SSU rRNA gene suitable for comparative studies,such as determining the evolutionary relationships and common ancestry among P.knowlesi species.展开更多
Objective:To give a brief overview of the field of epigenetics and the potential predictive power that small non-coding RNA(sncRNA)may hold in relation to improving the treatment and diagnosis of male infertility.Meth...Objective:To give a brief overview of the field of epigenetics and the potential predictive power that small non-coding RNA(sncRNA)may hold in relation to improving the treatment and diagnosis of male infertility.Methods:PRISMA-ScR was used as the scoping review guideline for this investigation.All article data here have been accessed from MEDLINE–PubMed,Science Direct,EBSCO,Scopus,Sage Journals,and Google Scholar.The terms"small non coding RNA,male,infertility,miRNA,sperm"were used in the search between 2015 and 2023.Results:The study comprised 35 publications in total.Several sncRNAs,miR-155,miR-16,miR-196,miR-525-3p,miR-891 were found to be effective in regulating the mechanism of spermatozoa processing in the infertility of men.sncRNA can be used as a biomarker of male infertility.Conclusions:sncRNAs can act as biomarkers for the diagnosis of reproductive diseases.Actually,by recognizing sncRNAs and their mechanisms,a new way to treat infertile men would be paved.The functional annotation of sncRNAs in spermatogenesis is still in its infancy but has enormous potential.This is despite the fact that many potential sncRNAs have been found to date with the use of cutting-edge technology and publicly accessible sncRNA annotation tools.展开更多
目的探讨长链非编码RNA(lncRNA)-N1LR在脑缺血再灌注损伤后血脑屏障的作用机制。方法原代小鼠脑微血管内皮细胞常规培养,经氧糖剥夺/复糖复氧(OGD/R)处理模拟脑缺血再灌注损伤,实验分对照组、OGD组、lncRNA-N1LR过表达组(OGD处理后转染...目的探讨长链非编码RNA(lncRNA)-N1LR在脑缺血再灌注损伤后血脑屏障的作用机制。方法原代小鼠脑微血管内皮细胞常规培养,经氧糖剥夺/复糖复氧(OGD/R)处理模拟脑缺血再灌注损伤,实验分对照组、OGD组、lncRNA-N1LR过表达组(OGD处理后转染质粒lncRNA-N1LR过表达)、lncRNA-N1LR沉默组(OGD处理后转染质粒lncRNA-N1LR沉默)。采用逆转录聚合酶链反应检测各组中lncRNA-N1LR mRNA、紧密连接蛋白5(claudin-5)及闭合蛋白(occludin)mRNA表达水平;异硫氰酸荧光素-葡聚糖(FITC-dextran)渗透法检测血脑屏障通透性;免疫蛋白印迹法检测claudin-5、occludin蛋白表达。结果与对照组比较,OGD组lncRNA-N1LR mRNA、occludin、claudin-5 mRNA表达水平下降(0.31±0.01 vs 1.00±0.10,0.42±0.03 vs 1.01±0.13,0.38±0.03 vs 1.00±0.15,P<0.05),血脑屏障FITC-dextran通透性明显升高(58.79±3.04 vs 8.87±0.63,P<0.01)。与OGD组比较,lncRNA-N1LR过表达组lncRNA-N1LR mRNA、occludin、claudin-5 mRNA表达水平升高(0.67±0.07 vs 0.31±0.01,0.92±0.02 vs 0.42±0.03,0.70±0.08 vs 0.38±0.03,P<0.05),血脑屏障FITC-dextran通透性降低(41.57±2.43 vs 58.79±3.04,P<0.05)。与OGD组比较,lncRNA-N1LR沉默组lncRNA-N1LR mRNA、occludin、claudin-5 mRNA表达水平降低(0.21±0.02 vs 0.31±0.01,0.31±0.03 vs 0.42±0.03,0.22±0.02 vs 0.38±0.03,P<0.05),血脑屏障FITC-dextran通透性升高(72.34±1.43 vs 58.79±3.04,P<0.05)。结论LncRNA-N1LR上调可能通过降低血脑屏障通透性发挥神经保护作用。展开更多
文摘This editorial reviews the molecular mechanisms underlying the roles of the long non-coding RNA(lncRNA)small nucleolar RNA host gene 16(SNHG16)in digestive system cancers based on two recent studies on lncRNAs in digestive system tumors.The first study,by Zhao et al,explored how hBD-1 affects colon cancer,via the lncRNA TCONS_00014506,by inhibiting mTOR and promoting autophagy.The second one,by Li et al,identified the lncRNA prion protein testis specific(PRNT)as a factor in oxaliplatin resistance by sponging ZNF184 to regulate HIPK2 and influence colorectal cancer progression and chemoresistance,suggesting PRNT as a potential therapeutic target for colorectal cancer.Both of these two articles discuss the mechanisms by which lncRNAs contribute to the development and progression of digestive system cancers.As a recent research hotspot,SNHG16 is a typical lncRNA that has been extensively studied for its association with digestive system cancers.The prevailing hypothesis is that SNHG16 participates in the development and progression of digestive system tumors by acting as a competing endogenous RNA,interacting with other proteins,regulating various genes,and affecting downstream target molecules.This review systematically examines the recently reported biological functions,related molecular mechanisms,and potential clinical significance of SNHG16 in various digestive system cancers,and explores the relationship between SNHG16 and digestive system cancers.The findings suggest that SNHG16 may serve as a potential biomarker and therapeutic target for human digestive system cancers.
基金the National Natural Science Foundation of China,No.82273457Guangdong Basic and Applied Basic Research Foundation,No.2021A1515012180 and No.2023A1515012762+1 种基金Special Grant for Key Area Programs of Guangdong Department of Education,No.2021ZDZX2040and Science and Technology Special Project of Guangdong Province,No.210715216902829.
文摘Small nucleolar RNAs(snoRNAs)represent a class of non-coding RNAs that play pivotal roles in post-transcriptional RNA processing and modification,thereby contributing significantly to the maintenance of cellular functions related to protein synthesis.SnoRNAs have been discovered to possess the ability to influence cell fate and alter disease progression,holding immense potential in controlling human diseases.It is suggested that the dysregulation of snoRNAs in cancer exhibits differential expression across various cancer types,stages,metastasis,treatment response and/or prognosis in patients.On the other hand,colorectal cancer(CRC),a prevalent malignancy of the digestive system,is characterized by high incidence and mortality rates,ranking as the third most common cancer type.Recent research indicates that snoRNA dysregulation is associated with CRC,as snoRNA expression significantly differs between normal and cancerous conditions.Consequently,assessing snoRNA expression level and function holds promise for the prognosis and diagnosis of CRC.Nevertheless,current comprehension of the potential roles of snoRNAs in CRC remains limited.This review offers a comprehensive survey of the aberrant regulation of snoRNAs in CRC,providing valuable insights into the discovery of novel biomarkers,therapeutic targets,and potential tools for the diagnosis and treatment of CRC and furnishing critical cues for advancing research into CRC and the judicious selection of therapeutic targets.
基金This study was supported by the Ministry of Higher Education,Malaysia(FRGS0322-SG-1/2013)Universiti Malaysia Sabah(GUG0521-2/2020).
文摘Objective:To determine the genetic diversity of Plasmodium(P.)knowlesi isolates from Sabah,Malaysian Borneo and Peninsular Malaysia,targeting the S-type SSU rRNA gene and including aspects of natural selection and haplotype.Methods:Thirty-nine blood samples infected with P.knowlesi were collected in Sabah,Malaysian Borneo and Peninsular Malaysia.The S-type SSU rRNA gene was amplified using polymerase chain reaction,cloned into a vector,and sequenced.The natural selection and haplotype of the S-type SSU rRNA gene sequences were determined using DnaSP v6 and illustrated using NETWORK v10.This study's 39 S-type SSU rRNA sequences and eight sequences from the Genbank database were subjected to phylogenetic analysis using MEGA 11.Results:Overall,the phylogenetic analysis showed no evidence of a geographical cluster of P.knowlesi isolates from different areas in Malaysia based on the S-type SSU rRNA gene sequences.The S-type SSU rRNA gene sequences were relatively conserved and with a purifying effect.Haplotype sharing of the S-type SSU rRNA gene was observed between the P.knowlesi isolates in Sabah,Malaysian Borneo,but not between Sabah,Malaysian Borneo and Peninsular Malaysia.Conclusions:This study suggests that the S-type SSU rRNA gene of P.knowlesi isolates in Sabah,Malaysian Borneo,and Peninsular Malaysia has fewer polymorphic sites,representing the conservation of the gene.These features make the S-type SSU rRNA gene suitable for comparative studies,such as determining the evolutionary relationships and common ancestry among P.knowlesi species.
文摘Objective:To give a brief overview of the field of epigenetics and the potential predictive power that small non-coding RNA(sncRNA)may hold in relation to improving the treatment and diagnosis of male infertility.Methods:PRISMA-ScR was used as the scoping review guideline for this investigation.All article data here have been accessed from MEDLINE–PubMed,Science Direct,EBSCO,Scopus,Sage Journals,and Google Scholar.The terms"small non coding RNA,male,infertility,miRNA,sperm"were used in the search between 2015 and 2023.Results:The study comprised 35 publications in total.Several sncRNAs,miR-155,miR-16,miR-196,miR-525-3p,miR-891 were found to be effective in regulating the mechanism of spermatozoa processing in the infertility of men.sncRNA can be used as a biomarker of male infertility.Conclusions:sncRNAs can act as biomarkers for the diagnosis of reproductive diseases.Actually,by recognizing sncRNAs and their mechanisms,a new way to treat infertile men would be paved.The functional annotation of sncRNAs in spermatogenesis is still in its infancy but has enormous potential.This is despite the fact that many potential sncRNAs have been found to date with the use of cutting-edge technology and publicly accessible sncRNA annotation tools.
文摘目的探讨长链非编码RNA(lncRNA)-N1LR在脑缺血再灌注损伤后血脑屏障的作用机制。方法原代小鼠脑微血管内皮细胞常规培养,经氧糖剥夺/复糖复氧(OGD/R)处理模拟脑缺血再灌注损伤,实验分对照组、OGD组、lncRNA-N1LR过表达组(OGD处理后转染质粒lncRNA-N1LR过表达)、lncRNA-N1LR沉默组(OGD处理后转染质粒lncRNA-N1LR沉默)。采用逆转录聚合酶链反应检测各组中lncRNA-N1LR mRNA、紧密连接蛋白5(claudin-5)及闭合蛋白(occludin)mRNA表达水平;异硫氰酸荧光素-葡聚糖(FITC-dextran)渗透法检测血脑屏障通透性;免疫蛋白印迹法检测claudin-5、occludin蛋白表达。结果与对照组比较,OGD组lncRNA-N1LR mRNA、occludin、claudin-5 mRNA表达水平下降(0.31±0.01 vs 1.00±0.10,0.42±0.03 vs 1.01±0.13,0.38±0.03 vs 1.00±0.15,P<0.05),血脑屏障FITC-dextran通透性明显升高(58.79±3.04 vs 8.87±0.63,P<0.01)。与OGD组比较,lncRNA-N1LR过表达组lncRNA-N1LR mRNA、occludin、claudin-5 mRNA表达水平升高(0.67±0.07 vs 0.31±0.01,0.92±0.02 vs 0.42±0.03,0.70±0.08 vs 0.38±0.03,P<0.05),血脑屏障FITC-dextran通透性降低(41.57±2.43 vs 58.79±3.04,P<0.05)。与OGD组比较,lncRNA-N1LR沉默组lncRNA-N1LR mRNA、occludin、claudin-5 mRNA表达水平降低(0.21±0.02 vs 0.31±0.01,0.31±0.03 vs 0.42±0.03,0.22±0.02 vs 0.38±0.03,P<0.05),血脑屏障FITC-dextran通透性升高(72.34±1.43 vs 58.79±3.04,P<0.05)。结论LncRNA-N1LR上调可能通过降低血脑屏障通透性发挥神经保护作用。
