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
Tazarotene-induced gene 1(TIG1)is induced by a derivative of vitamin A and is known to regulate many important biological processes and control the development of cancer.TIG1 is widely expressed in various tissues;yet...Tazarotene-induced gene 1(TIG1)is induced by a derivative of vitamin A and is known to regulate many important biological processes and control the development of cancer.TIG1 is widely expressed in various tissues;yet in many cancer tissues,it is not expressed because of the methylation of its promoter.Additionally,the expression of TIG1 in cancer cells inhibits their growth and invasion,suggesting that TIG1 acts as a tumor suppressor gene.However,in some cancers,poor prognosis is associated with TIG1 expression,indicating its protumor growth characteristics,especially in promoting the invasion of inflammatory breast cancer cells.This review comprehensively summarizes the roles of the TIG1 gene in cancer development and details the mechanisms through which TIG1 regulates cancer development,with the aim of understanding its various roles in cancer development.展开更多
Ethylene plays essential roles in plant growth,development and stress responses.The ethylene signaling pathway and molecular mechanism have been studied extensively in Arabidopsis and rice but limited in peanuts.Here,...Ethylene plays essential roles in plant growth,development and stress responses.The ethylene signaling pathway and molecular mechanism have been studied extensively in Arabidopsis and rice but limited in peanuts.Here,we established a sand-culture method to screen pingyangmycin mutagenized peanut lines based on their specific response to ethylene(“triple response”).An ethylene-insensitive mutant,inhibition of peanut hypocotyl elongation 1(iph1),was identified that showed reduced sensitivity to ethylene in both hypocotyl elongation and root growth.Through bulked segregant analysis sequencing,a major gene related to iph1,named AhIPH1,was preliminarily mapped at the chromosome Arahy.01,and further narrowed to a 450-kb genomic region through substitution mapping strategy.A total of 7014 genes were differentially expressed among the ACC treatment through RNA-seq analysis,of which only the Arahy.5BLU0Q gene in the candidate mapping interval was differentially expressed between WT and mutant iph1.Integrating sequence variations,functional annotation and transcriptome analysis revealed that a predicated gene,Arahy.5BLU0Q,encoding SNF1 protein kinase,may be the candidate gene for AhIPH1.This gene contained two single-nucleotide polymorphisms at promoter region and was more highly expressed in iph1 than WT.Our findings reveal a novel ethylene-responsive gene,which provides a theoretical foundation and new genetic resources for the mechanism of ethylene signaling in peanuts.展开更多
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
目的探讨乳腺癌转移抑制基因(breast cancer metastasis suppressor 1,BRMS1)在声门上型喉鳞状细胞癌组织中的表达及其临床意义。方法免疫组化法检测60例原发性声门上型喉癌组织(肿瘤组)和其相邻的癌旁正常喉黏膜(对照组)石蜡标本组织...目的探讨乳腺癌转移抑制基因(breast cancer metastasis suppressor 1,BRMS1)在声门上型喉鳞状细胞癌组织中的表达及其临床意义。方法免疫组化法检测60例原发性声门上型喉癌组织(肿瘤组)和其相邻的癌旁正常喉黏膜(对照组)石蜡标本组织细胞中BRMS1蛋白的表达。结果对照组均有较强的BRMS1蛋白的表达,肿瘤组阳性表达率为35.0%(21/60),且均为低表达,两者之间差异有统计学意义(P<0.05)。BRMS1蛋白在病理高分化标本中阳性表达率为43.6%(17/39),在中、低分化标本阳性表达率19.0%(4/21),两者之间差异有统计学意义(P<0.05);在临床Ⅱ期标本阳性表达率为72.7%(8/11),临床Ⅲ+Ⅳ期标本阳性表达率26.5%(13/49),两者之间差异有统计学意义(P<0.05);颈部淋巴结N0组标本阳性表达率72.7%(16/22),颈部淋巴结N+组阳性率13.7%(5/38),两者之间差异有统计学意义(P<0.05)。BRMS1蛋白阳性组患者与BRMS1蛋白阴性组患者的术后生存率无统计学差异(P>0.05)。结论BRMS1蛋白在声门上型喉癌中低表达或不表达,且其表达可能与声门上型喉癌的临床分期、病理分化以及颈部淋巴结转移有关。展开更多
The study titled“Transient receptor potential-related risk model predicts prognosis of hepatocellular carcinoma patients”is a significant contribution to hepatocellular carcinoma(HCC)research,highlighting the role o...The study titled“Transient receptor potential-related risk model predicts prognosis of hepatocellular carcinoma patients”is a significant contribution to hepatocellular carcinoma(HCC)research,highlighting the role of transient receptor potential(TRP)family genes in the disease’s progression and prognosis.Utilizing data from The Cancer Genome Atlas database,it establishes a new risk assessment model,emphasizing the interaction of TRP genes with tumor proliferation pathways,key metabolic reactions like retinol metabolism,and the tumor immune microenvironment.Notably,the overexpression of the TRPC1 gene in HCC correlates with poorer patient survival outcomes,suggesting its potential as a prognostic biomarker and a target for personalized therapy,particularly in strategies combining immunotherapy and anti-TRP agents.展开更多
目的探讨乳腺癌转移抑制因子1(BRMS1)在肺癌中的表达及对肺癌细胞侵袭转移能力的影响。方法 Western blot及RT-PCR法检测肺癌及癌旁组织中BRMS1的表达,并将真核表达质粒p CMV-mycBRMS1及空白质粒转染到肺癌细胞A549。Transwell法检测细...目的探讨乳腺癌转移抑制因子1(BRMS1)在肺癌中的表达及对肺癌细胞侵袭转移能力的影响。方法 Western blot及RT-PCR法检测肺癌及癌旁组织中BRMS1的表达,并将真核表达质粒p CMV-mycBRMS1及空白质粒转染到肺癌细胞A549。Transwell法检测细胞迁移和侵袭能力;Western blot检测核因子-κB(NF-κB)磷酸化水平及下游蛋白基质金属蛋白酶(MMP2),MMP9,骨桥蛋白(Osteopontin),E-钙粘蛋白(Ecadherin)的表达量。结果肺癌组织中BRMS1的蛋白及mRNA表达量都显著低于癌旁组织。与空白质粒组比较,真核表达质粒组中细胞迁移及侵袭能力降低,比值分别为[(0.98±0.10)及(0.17±0.03)],[(1.29±0.14)及(0.22±0.04)];NF-κB p65磷酸化水平降低,MMP2,MMP9,Osteopontin表达量下降,E-cadherin表达量上升(P<0.01)。结论 BRMS1在肺癌组织中低表达,其过表达能显著抑制肺癌细胞A549侵袭转移,推测恢复肺癌组织BRMS1表达可能是转移性肺癌治疗方式之一。展开更多
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
基金supported by the State Key Laboratory of Aridland Crop Science,Gansu Agricultural University,China(GSCS-2019-10)the National Natural Science Foundation of China(31801414 and 32260478)+2 种基金the Gansu Province Science and Technology Program,China(20JR10RA531)the Natural Science Foundation of Xinjiang Uygur Autonomous Region,China(2022D01E103)the Education Technology Innovation Project of Gansu Province,China(2022QB-076)。
文摘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.
基金supported by the Taipei Tzu Chi Hospital through grants from the Buddhist Tzu Chi Medical Foundation under the Numbers TCRD-TPE-111-23(2/3)and TCRD-TPE-113-20,Taipei,Taiwan.
文摘Tazarotene-induced gene 1(TIG1)is induced by a derivative of vitamin A and is known to regulate many important biological processes and control the development of cancer.TIG1 is widely expressed in various tissues;yet in many cancer tissues,it is not expressed because of the methylation of its promoter.Additionally,the expression of TIG1 in cancer cells inhibits their growth and invasion,suggesting that TIG1 acts as a tumor suppressor gene.However,in some cancers,poor prognosis is associated with TIG1 expression,indicating its protumor growth characteristics,especially in promoting the invasion of inflammatory breast cancer cells.This review comprehensively summarizes the roles of the TIG1 gene in cancer development and details the mechanisms through which TIG1 regulates cancer development,with the aim of understanding its various roles in cancer development.
基金supported by the National Natural Science Foundation of China(32001578)Qingdao Science&Technology Key Projects(22-1-3-1-zyyd-nsh,23-1-3-8-zyyd-nsh)+1 种基金Salt-Alkali Agriculture Industry System of Shandong Province(SDAIT-29-03)Science&Technology Specific Projects in Agricultural High-tech Industrial Demonstration Area of the Yellow River Delta(2022SZX19)。
文摘Ethylene plays essential roles in plant growth,development and stress responses.The ethylene signaling pathway and molecular mechanism have been studied extensively in Arabidopsis and rice but limited in peanuts.Here,we established a sand-culture method to screen pingyangmycin mutagenized peanut lines based on their specific response to ethylene(“triple response”).An ethylene-insensitive mutant,inhibition of peanut hypocotyl elongation 1(iph1),was identified that showed reduced sensitivity to ethylene in both hypocotyl elongation and root growth.Through bulked segregant analysis sequencing,a major gene related to iph1,named AhIPH1,was preliminarily mapped at the chromosome Arahy.01,and further narrowed to a 450-kb genomic region through substitution mapping strategy.A total of 7014 genes were differentially expressed among the ACC treatment through RNA-seq analysis,of which only the Arahy.5BLU0Q gene in the candidate mapping interval was differentially expressed between WT and mutant iph1.Integrating sequence variations,functional annotation and transcriptome analysis revealed that a predicated gene,Arahy.5BLU0Q,encoding SNF1 protein kinase,may be the candidate gene for AhIPH1.This gene contained two single-nucleotide polymorphisms at promoter region and was more highly expressed in iph1 than WT.Our findings reveal a novel ethylene-responsive gene,which provides a theoretical foundation and new genetic resources for the mechanism of ethylene signaling in peanuts.
基金Supported by the National High-Level Hospital Clinical Research Fund,No.2022-PUMCH-A-020the Undergraduate Teaching Reform and Innovation Project,No.2022zlgc0108.
文摘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.
文摘目的探讨乳腺癌转移抑制基因(breast cancer metastasis suppressor 1,BRMS1)在声门上型喉鳞状细胞癌组织中的表达及其临床意义。方法免疫组化法检测60例原发性声门上型喉癌组织(肿瘤组)和其相邻的癌旁正常喉黏膜(对照组)石蜡标本组织细胞中BRMS1蛋白的表达。结果对照组均有较强的BRMS1蛋白的表达,肿瘤组阳性表达率为35.0%(21/60),且均为低表达,两者之间差异有统计学意义(P<0.05)。BRMS1蛋白在病理高分化标本中阳性表达率为43.6%(17/39),在中、低分化标本阳性表达率19.0%(4/21),两者之间差异有统计学意义(P<0.05);在临床Ⅱ期标本阳性表达率为72.7%(8/11),临床Ⅲ+Ⅳ期标本阳性表达率26.5%(13/49),两者之间差异有统计学意义(P<0.05);颈部淋巴结N0组标本阳性表达率72.7%(16/22),颈部淋巴结N+组阳性率13.7%(5/38),两者之间差异有统计学意义(P<0.05)。BRMS1蛋白阳性组患者与BRMS1蛋白阴性组患者的术后生存率无统计学差异(P>0.05)。结论BRMS1蛋白在声门上型喉癌中低表达或不表达,且其表达可能与声门上型喉癌的临床分期、病理分化以及颈部淋巴结转移有关。
文摘The study titled“Transient receptor potential-related risk model predicts prognosis of hepatocellular carcinoma patients”is a significant contribution to hepatocellular carcinoma(HCC)research,highlighting the role of transient receptor potential(TRP)family genes in the disease’s progression and prognosis.Utilizing data from The Cancer Genome Atlas database,it establishes a new risk assessment model,emphasizing the interaction of TRP genes with tumor proliferation pathways,key metabolic reactions like retinol metabolism,and the tumor immune microenvironment.Notably,the overexpression of the TRPC1 gene in HCC correlates with poorer patient survival outcomes,suggesting its potential as a prognostic biomarker and a target for personalized therapy,particularly in strategies combining immunotherapy and anti-TRP agents.
文摘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.
