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lentief1 flag p2a blast  (Addgene inc)


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    Structured Review

    Addgene inc lentief1 flag p2a blast
    Overexpression of CSN5 induces LEN sensitivity (A) Induction of LEN sensitivity in RPMI8226, KMS11, KMS12BM, and MM.1S cells overexpressing FLAG-CSN5. Empty vector <t>(lentiEF1-FLAG-P2A-Blast)</t> was used as a control. We used 100 μM and 1 μM LEN for LEN-resistant and -sensitive cells, respectively. Data represent the mean ± standard deviation ( n = 5). Student's t test. (B) Relationship between LEN sensitivity and the endogenous CSN5 expression levels in the 15 cell lines. Correlations between protein levels and cell viability were evaluated using simple linear regression in GraphPad Prism 8. Statistical significance was set at p < 0.05. (C) Western blots representing the expression of CUL4A and CSN5 in RPMI8226 cells overexpressing WT FLAG-CSN5 or FLAG-CSN5-H138Q. β-actin was used as a loading control. The larger proportion of neddylated CUL4A suggested that CSN5-H138Q decreased deneddylation activity. (D) LEN sensitivity in RPMI8226 cells overexpressing FLAG-CSN5-H138Q. The lentiEF1-FLAG-P2A-Blast vector harboring FLAG-tagged CSN5 or FLAG-tagged CSN5 with H138Q mutation was used for lentiviral infection with RPMI8226. We used 100 μM LEN in this assay. Data represent the mean ± standard deviation ( n = 5). Student's t test. (E) LEN response pathway (CRBN axis) involved in the antitumor mechanism of LEN. (F) Western blots of IKZF1, IKFZ3, IRF4, CSN5 expression levels after treatment with the indicated dose of LEN in FLAG-CSN5- or empty vector-overexpressing RPMI8226 cells. β-Αctin was used as the loading control. The protein bands in western blotting of IKZF1, IKZF3 and IRF4 were quantified using iBright Analysis Software. Band densities of IKZF1, IKZF3 and IRF4 were normalized to that of β-actin. Data represent the mean ( n = 2).
    Lentief1 Flag P2a Blast, supplied by Addgene inc, used in various techniques. Bioz Stars score: 95/100, based on 99 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/blast++sequence+alignment+software+package/Lenti%E2%80%90Cas9%E2%80%902A%E2%80%90Blast+(Plasmid+%2373310)/pmc11647120-351-9-19
    Average 95 stars, based on 99 article reviews
    lentief1 flag p2a blast - by Bioz Stars, 2026-10
    95/100 stars

    Images

    1) Product Images from "Increased CSN5 expression enhances the sensitivity to lenalidomide in multiple myeloma cells"

    Article Title: Increased CSN5 expression enhances the sensitivity to lenalidomide in multiple myeloma cells

    Journal: iScience

    doi: 10.1016/j.isci.2024.111399

    Overexpression of CSN5 induces LEN sensitivity (A) Induction of LEN sensitivity in RPMI8226, KMS11, KMS12BM, and MM.1S cells overexpressing FLAG-CSN5. Empty vector (lentiEF1-FLAG-P2A-Blast) was used as a control. We used 100 μM and 1 μM LEN for LEN-resistant and -sensitive cells, respectively. Data represent the mean ± standard deviation ( n = 5). Student's t test. (B) Relationship between LEN sensitivity and the endogenous CSN5 expression levels in the 15 cell lines. Correlations between protein levels and cell viability were evaluated using simple linear regression in GraphPad Prism 8. Statistical significance was set at p < 0.05. (C) Western blots representing the expression of CUL4A and CSN5 in RPMI8226 cells overexpressing WT FLAG-CSN5 or FLAG-CSN5-H138Q. β-actin was used as a loading control. The larger proportion of neddylated CUL4A suggested that CSN5-H138Q decreased deneddylation activity. (D) LEN sensitivity in RPMI8226 cells overexpressing FLAG-CSN5-H138Q. The lentiEF1-FLAG-P2A-Blast vector harboring FLAG-tagged CSN5 or FLAG-tagged CSN5 with H138Q mutation was used for lentiviral infection with RPMI8226. We used 100 μM LEN in this assay. Data represent the mean ± standard deviation ( n = 5). Student's t test. (E) LEN response pathway (CRBN axis) involved in the antitumor mechanism of LEN. (F) Western blots of IKZF1, IKFZ3, IRF4, CSN5 expression levels after treatment with the indicated dose of LEN in FLAG-CSN5- or empty vector-overexpressing RPMI8226 cells. β-Αctin was used as the loading control. The protein bands in western blotting of IKZF1, IKZF3 and IRF4 were quantified using iBright Analysis Software. Band densities of IKZF1, IKZF3 and IRF4 were normalized to that of β-actin. Data represent the mean ( n = 2).
    Figure Legend Snippet: Overexpression of CSN5 induces LEN sensitivity (A) Induction of LEN sensitivity in RPMI8226, KMS11, KMS12BM, and MM.1S cells overexpressing FLAG-CSN5. Empty vector (lentiEF1-FLAG-P2A-Blast) was used as a control. We used 100 μM and 1 μM LEN for LEN-resistant and -sensitive cells, respectively. Data represent the mean ± standard deviation ( n = 5). Student's t test. (B) Relationship between LEN sensitivity and the endogenous CSN5 expression levels in the 15 cell lines. Correlations between protein levels and cell viability were evaluated using simple linear regression in GraphPad Prism 8. Statistical significance was set at p < 0.05. (C) Western blots representing the expression of CUL4A and CSN5 in RPMI8226 cells overexpressing WT FLAG-CSN5 or FLAG-CSN5-H138Q. β-actin was used as a loading control. The larger proportion of neddylated CUL4A suggested that CSN5-H138Q decreased deneddylation activity. (D) LEN sensitivity in RPMI8226 cells overexpressing FLAG-CSN5-H138Q. The lentiEF1-FLAG-P2A-Blast vector harboring FLAG-tagged CSN5 or FLAG-tagged CSN5 with H138Q mutation was used for lentiviral infection with RPMI8226. We used 100 μM LEN in this assay. Data represent the mean ± standard deviation ( n = 5). Student's t test. (E) LEN response pathway (CRBN axis) involved in the antitumor mechanism of LEN. (F) Western blots of IKZF1, IKFZ3, IRF4, CSN5 expression levels after treatment with the indicated dose of LEN in FLAG-CSN5- or empty vector-overexpressing RPMI8226 cells. β-Αctin was used as the loading control. The protein bands in western blotting of IKZF1, IKZF3 and IRF4 were quantified using iBright Analysis Software. Band densities of IKZF1, IKZF3 and IRF4 were normalized to that of β-actin. Data represent the mean ( n = 2).

    Techniques Used: Over Expression, Plasmid Preparation, Control, Standard Deviation, Expressing, Western Blot, Activity Assay, Mutagenesis, Infection, Software


    Figure Legend Snippet:

    Techniques Used: Recombinant, Sequencing, Modification, Bicinchoninic Acid Protein Assay, Mass Spectrometry, Western Blot, Software

    Related Articles

    CRISPR:

    Article Title: CRISPR screens identify PRMT7 as a therapeutic target to enhance T cell-mediated killing in breast cancer
    Article Snippet: .. For CRISPR screens and validations, breast cell lines were transduced with Lenti-Cas9-2A-Blast (Addgene, Cat# 73310) or Lenti-dCas9-KRAB-Blast (Addgene, Cat# 89567). .. MCF7 cells stably expressing Cas9 or KRAB-dCas9 were established by transduction of the virus at MOI < 0.7 , selected in 10 μg/ml blasticidin (Gibco, Cat# A1113903) and maintained in 5 μg/ml blasticidin.

    Article Title: CRISPR screens identify PRMT7 as a therapeutic target to enhance T cell-mediated killing in breast cancer.
    Article Snippet: .. Pooled CRISPR screens for resistance to T cell cytotoxicity For CRISPR screens and validations, breast cell lines were transduced with Lenti-Cas9-2A-Blast (Addgene, Cat# 73310) or Lenti-dCas9-KRAB-Blast (Addgene, Cat# 89567). .. MCF7 cells stably expressing Cas9 or KRAB-dCas9 were established by transduction of the virus at MOI<0.7 51, selected in 10 μg/ml blasticidin (Gibco, Cat# A1113903) and maintained in 5 μg/ml blasticidin.

    Article Title: CRISPR knockout screens reveal JUN as the master mediator of resistance to MAPK inhibition in KRAS-mutant pancreatic cancer.
    Article Snippet: .. Cas9 (CRISPR-associated protein 9) expressing cell lines were obtained by lentiviral infection and selected either by fluorescence-associated cell sorting (FACS) of high Cas9-GFP (green fluorescence protein) levels (when the construct Addgene #63592 was used) or with Blasticidine (when using the construct Addgene #73310). ..

    Transduction:

    Article Title: CRISPR screens identify PRMT7 as a therapeutic target to enhance T cell-mediated killing in breast cancer
    Article Snippet: .. For CRISPR screens and validations, breast cell lines were transduced with Lenti-Cas9-2A-Blast (Addgene, Cat# 73310) or Lenti-dCas9-KRAB-Blast (Addgene, Cat# 89567). .. MCF7 cells stably expressing Cas9 or KRAB-dCas9 were established by transduction of the virus at MOI < 0.7 , selected in 10 μg/ml blasticidin (Gibco, Cat# A1113903) and maintained in 5 μg/ml blasticidin.

    Article Title: CRISPR screens identify PRMT7 as a therapeutic target to enhance T cell-mediated killing in breast cancer.
    Article Snippet: .. Pooled CRISPR screens for resistance to T cell cytotoxicity For CRISPR screens and validations, breast cell lines were transduced with Lenti-Cas9-2A-Blast (Addgene, Cat# 73310) or Lenti-dCas9-KRAB-Blast (Addgene, Cat# 89567). .. MCF7 cells stably expressing Cas9 or KRAB-dCas9 were established by transduction of the virus at MOI<0.7 51, selected in 10 μg/ml blasticidin (Gibco, Cat# A1113903) and maintained in 5 μg/ml blasticidin.

    Article Title: Splice isoform-perturbation coupled to single cell transcriptome profiling reveals functions of microexons in neurogenesis and autism-linked pathways
    Article Snippet: .. Neomycin resistance was subcloned from the plenti-Lb-Cas12a-2xNLS vector (Addgene: 155046) into pRDA_112 (Addgene: 136475) via restriction cloning to allow for multiple drug selection of cells transduced with Lenti-Cas9-2 A-Blast (Addgene: 73310). .. Addition of c-myc nuclear localization signals (NLSs) to the c-terminus, or removal of the n-terminal SV40 NLS of each vector, was achieved by site directed mutagenesis (Q5 Site-Directed Mutagenesis Kit (NEB)).

    Article Title: A myeloid-dormant metabolic transcriptome identifies a poor-prognosis subgroup in hyperdiploid multiple myeloma with targetable vulnerabilities.
    Article Snippet: .. Stable Cas9-expressing KMS-28-BM and MM.1S cell lines were generated via lentiviral transduction with the Lenti-Cas9-2A-Blast vector (Addgene, #73310) and selected with 17.5 μg/ml blasticidin (Invitrogen) for 7 days. .. For ACSL1 knockout, sgRNAs (sgACSL1-1: 5’-GTTTCCGAGAGCCTAAACAA-3’; sgACSL1-2: 5’-CAAGAGCCATCGCTTCAGCG-3’) were cloned into the CRISPseq-BFP vector (Addgene, #85707).

    Article Title: Splice isoform-perturbation coupled to single cell transcriptome profiling reveals functions of microexons in neurogenesis and autism-linked pathways.
    Article Snippet: .. CGR8 cells were transduced with lentivirus carrying the Cas9-2A-BlasticidinR-expressing cassette (Addgene, no. 73310) and selected with blasticidin (6 μgml-1) for 10 d. Cas9expressing cell lines were then transduced with lentivirus carrying enAs- or Lb-Cas12a-2A-NeoR expression cassettes and selected with G418 (500 μgml–1) for 14 d. Gfra1 microexon-deletion clones. .. CGR8 mouse embryonic stem cells (mESCs) were cultured on gelatincoated plates in GMEM supplemented with 100μM β-mercaptoethanol, 0.1mM nonessential amino acids, 2mM sodium pyruvate, 5000unitsml–1 of penicillin/streptomycin, 1000unitsml–1 of recombinant mouse LIF (all Life Technologies) and 10% ES fetal calf serum Nature Communications | (2026) 17:1217 10 (Wisent).

    Article Title: Splice isoform-perturbation coupled to single cell transcriptome profiling reveals functions of microexons in neurogenesis and autism-linked pathways.
    Article Snippet: .. Neomycin resistance was subcloned from the plenti-Lb-Cas12a-2xNLS vector (Addgene: 155046) into pRDA_112 (Addgene: 136475) via restriction cloning to allow for multiple drug selection of cells transduced with Lenti-Cas9-2A-Blast (Addgene: 73310). .. Addition of c-myc nuclear localization signals (NLSs) to the c-terminus, or removal of the n-terminal SV40 NLS of each vector, was achieved by site directed mutagenesis (Q5 Site-Directed Mutagenesis Kit (NEB)).

    Plasmid Preparation:

    Article Title: Dual-fluorescence reporter-based assay for rapid quantitative evaluation of antiviral activity against Venezuelan equine encephalitis virus
    Article Snippet: .. 4.13 Generation of BHK21J-H2B-miRFP-670 cells The pLenti-H2B-miRFP670-2A-Blasticidin vector was generated by replacing the Cas9 coding sequence in pLenti-Cas9-2A-Blasticidin (Addgene 73310) with the H2B-miRFP670 coding sequence (Integrated DNA Technologies) using the NEBuilder HiFi DNA Assembly kit. ..

    Article Title: A myeloid-dormant metabolic transcriptome identifies a poor-prognosis subgroup in hyperdiploid multiple myeloma with targetable vulnerabilities.
    Article Snippet: .. Stable Cas9-expressing KMS-28-BM and MM.1S cell lines were generated via lentiviral transduction with the Lenti-Cas9-2A-Blast vector (Addgene, #73310) and selected with 17.5 μg/ml blasticidin (Invitrogen) for 7 days. .. For ACSL1 knockout, sgRNAs (sgACSL1-1: 5’-GTTTCCGAGAGCCTAAACAA-3’; sgACSL1-2: 5’-CAAGAGCCATCGCTTCAGCG-3’) were cloned into the CRISPseq-BFP vector (Addgene, #85707).

    Generated:

    Article Title: Dual-fluorescence reporter-based assay for rapid quantitative evaluation of antiviral activity against Venezuelan equine encephalitis virus
    Article Snippet: .. 4.13 Generation of BHK21J-H2B-miRFP-670 cells The pLenti-H2B-miRFP670-2A-Blasticidin vector was generated by replacing the Cas9 coding sequence in pLenti-Cas9-2A-Blasticidin (Addgene 73310) with the H2B-miRFP670 coding sequence (Integrated DNA Technologies) using the NEBuilder HiFi DNA Assembly kit. ..

    Article Title: A myeloid-dormant metabolic transcriptome identifies a poor-prognosis subgroup in hyperdiploid multiple myeloma with targetable vulnerabilities.
    Article Snippet: .. Stable Cas9-expressing KMS-28-BM and MM.1S cell lines were generated via lentiviral transduction with the Lenti-Cas9-2A-Blast vector (Addgene, #73310) and selected with 17.5 μg/ml blasticidin (Invitrogen) for 7 days. .. For ACSL1 knockout, sgRNAs (sgACSL1-1: 5’-GTTTCCGAGAGCCTAAACAA-3’; sgACSL1-2: 5’-CAAGAGCCATCGCTTCAGCG-3’) were cloned into the CRISPseq-BFP vector (Addgene, #85707).

    Sequencing:

    Article Title: Dual-fluorescence reporter-based assay for rapid quantitative evaluation of antiviral activity against Venezuelan equine encephalitis virus
    Article Snippet: .. 4.13 Generation of BHK21J-H2B-miRFP-670 cells The pLenti-H2B-miRFP670-2A-Blasticidin vector was generated by replacing the Cas9 coding sequence in pLenti-Cas9-2A-Blasticidin (Addgene 73310) with the H2B-miRFP670 coding sequence (Integrated DNA Technologies) using the NEBuilder HiFi DNA Assembly kit. ..

    Expressing:

    Article Title: CRISPR knockout screens reveal JUN as the master mediator of resistance to MAPK inhibition in KRAS-mutant pancreatic cancer.
    Article Snippet: .. Cas9 (CRISPR-associated protein 9) expressing cell lines were obtained by lentiviral infection and selected either by fluorescence-associated cell sorting (FACS) of high Cas9-GFP (green fluorescence protein) levels (when the construct Addgene #63592 was used) or with Blasticidine (when using the construct Addgene #73310). ..

    Article Title: Splice isoform-perturbation coupled to single cell transcriptome profiling reveals functions of microexons in neurogenesis and autism-linked pathways.
    Article Snippet: .. CGR8 cells were transduced with lentivirus carrying the Cas9-2A-BlasticidinR-expressing cassette (Addgene, no. 73310) and selected with blasticidin (6 μgml-1) for 10 d. Cas9expressing cell lines were then transduced with lentivirus carrying enAs- or Lb-Cas12a-2A-NeoR expression cassettes and selected with G418 (500 μgml–1) for 14 d. Gfra1 microexon-deletion clones. .. CGR8 mouse embryonic stem cells (mESCs) were cultured on gelatincoated plates in GMEM supplemented with 100μM β-mercaptoethanol, 0.1mM nonessential amino acids, 2mM sodium pyruvate, 5000unitsml–1 of penicillin/streptomycin, 1000unitsml–1 of recombinant mouse LIF (all Life Technologies) and 10% ES fetal calf serum Nature Communications | (2026) 17:1217 10 (Wisent).

    Infection:

    Article Title: CRISPR knockout screens reveal JUN as the master mediator of resistance to MAPK inhibition in KRAS-mutant pancreatic cancer.
    Article Snippet: .. Cas9 (CRISPR-associated protein 9) expressing cell lines were obtained by lentiviral infection and selected either by fluorescence-associated cell sorting (FACS) of high Cas9-GFP (green fluorescence protein) levels (when the construct Addgene #63592 was used) or with Blasticidine (when using the construct Addgene #73310). ..

    Fluorescence:

    Article Title: CRISPR knockout screens reveal JUN as the master mediator of resistance to MAPK inhibition in KRAS-mutant pancreatic cancer.
    Article Snippet: .. Cas9 (CRISPR-associated protein 9) expressing cell lines were obtained by lentiviral infection and selected either by fluorescence-associated cell sorting (FACS) of high Cas9-GFP (green fluorescence protein) levels (when the construct Addgene #63592 was used) or with Blasticidine (when using the construct Addgene #73310). ..

    FACS:

    Article Title: CRISPR knockout screens reveal JUN as the master mediator of resistance to MAPK inhibition in KRAS-mutant pancreatic cancer.
    Article Snippet: .. Cas9 (CRISPR-associated protein 9) expressing cell lines were obtained by lentiviral infection and selected either by fluorescence-associated cell sorting (FACS) of high Cas9-GFP (green fluorescence protein) levels (when the construct Addgene #63592 was used) or with Blasticidine (when using the construct Addgene #73310). ..

    Construct:

    Article Title: CRISPR knockout screens reveal JUN as the master mediator of resistance to MAPK inhibition in KRAS-mutant pancreatic cancer.
    Article Snippet: .. Cas9 (CRISPR-associated protein 9) expressing cell lines were obtained by lentiviral infection and selected either by fluorescence-associated cell sorting (FACS) of high Cas9-GFP (green fluorescence protein) levels (when the construct Addgene #63592 was used) or with Blasticidine (when using the construct Addgene #73310). ..

    Cloning:

    Article Title: Splice isoform-perturbation coupled to single cell transcriptome profiling reveals functions of microexons in neurogenesis and autism-linked pathways
    Article Snippet: .. Neomycin resistance was subcloned from the plenti-Lb-Cas12a-2xNLS vector (Addgene: 155046) into pRDA_112 (Addgene: 136475) via restriction cloning to allow for multiple drug selection of cells transduced with Lenti-Cas9-2 A-Blast (Addgene: 73310). .. Addition of c-myc nuclear localization signals (NLSs) to the c-terminus, or removal of the n-terminal SV40 NLS of each vector, was achieved by site directed mutagenesis (Q5 Site-Directed Mutagenesis Kit (NEB)).

    Article Title: Splice isoform-perturbation coupled to single cell transcriptome profiling reveals functions of microexons in neurogenesis and autism-linked pathways.
    Article Snippet: .. Neomycin resistance was subcloned from the plenti-Lb-Cas12a-2xNLS vector (Addgene: 155046) into pRDA_112 (Addgene: 136475) via restriction cloning to allow for multiple drug selection of cells transduced with Lenti-Cas9-2A-Blast (Addgene: 73310). .. Addition of c-myc nuclear localization signals (NLSs) to the c-terminus, or removal of the n-terminal SV40 NLS of each vector, was achieved by site directed mutagenesis (Q5 Site-Directed Mutagenesis Kit (NEB)).

    Selection:

    Article Title: Splice isoform-perturbation coupled to single cell transcriptome profiling reveals functions of microexons in neurogenesis and autism-linked pathways
    Article Snippet: .. Neomycin resistance was subcloned from the plenti-Lb-Cas12a-2xNLS vector (Addgene: 155046) into pRDA_112 (Addgene: 136475) via restriction cloning to allow for multiple drug selection of cells transduced with Lenti-Cas9-2 A-Blast (Addgene: 73310). .. Addition of c-myc nuclear localization signals (NLSs) to the c-terminus, or removal of the n-terminal SV40 NLS of each vector, was achieved by site directed mutagenesis (Q5 Site-Directed Mutagenesis Kit (NEB)).

    Article Title: Splice isoform-perturbation coupled to single cell transcriptome profiling reveals functions of microexons in neurogenesis and autism-linked pathways.
    Article Snippet: .. Neomycin resistance was subcloned from the plenti-Lb-Cas12a-2xNLS vector (Addgene: 155046) into pRDA_112 (Addgene: 136475) via restriction cloning to allow for multiple drug selection of cells transduced with Lenti-Cas9-2A-Blast (Addgene: 73310). .. Addition of c-myc nuclear localization signals (NLSs) to the c-terminus, or removal of the n-terminal SV40 NLS of each vector, was achieved by site directed mutagenesis (Q5 Site-Directed Mutagenesis Kit (NEB)).

    Clone Assay:

    Article Title: Splice isoform-perturbation coupled to single cell transcriptome profiling reveals functions of microexons in neurogenesis and autism-linked pathways.
    Article Snippet: .. CGR8 cells were transduced with lentivirus carrying the Cas9-2A-BlasticidinR-expressing cassette (Addgene, no. 73310) and selected with blasticidin (6 μgml-1) for 10 d. Cas9expressing cell lines were then transduced with lentivirus carrying enAs- or Lb-Cas12a-2A-NeoR expression cassettes and selected with G418 (500 μgml–1) for 14 d. Gfra1 microexon-deletion clones. .. CGR8 mouse embryonic stem cells (mESCs) were cultured on gelatincoated plates in GMEM supplemented with 100μM β-mercaptoethanol, 0.1mM nonessential amino acids, 2mM sodium pyruvate, 5000unitsml–1 of penicillin/streptomycin, 1000unitsml–1 of recombinant mouse LIF (all Life Technologies) and 10% ES fetal calf serum Nature Communications | (2026) 17:1217 10 (Wisent).



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