We have developed a method to introduce novel paratopes into the human antibody repertoire by modifying the immunoglobulin (Ig) genes of mature B cells directly using genome editing technologies. We used CRISPR-Cas9 in a homology directed repair strategy, to replace the heavy chain (HC) variable region in B cell lines with that from an HIV broadly neutralizing antibody, PG9. Our strategy is designed to function in cells that have undergone VDJ recombination using any combination of variable (V), diversity (D) and joining (J) genes. The modified locus expresses PG9 HC which pairs with native light chains resulting in the cell surface expression of HIV specific B cell receptors (BCRs). Endogenous activation-induced cytidine deaminase (AID) in engineered cells allowed for Ig class switching and generated BCR variants with improved anti-HIV neutralizing activity. Thus, BCRs engineered in this way retain the genetic flexibility normally required for affinity maturation during adaptive immune responses. Peripheral blood derived primary B cells from three different donors were edited using this strategy. Engineered cells could bind the PG9 epitope by FACS and sequenced mRNA from these cells showed PG9 HC expressed as several different isotypes after culture with CD40 ligand and IL-4.
WT_IgM_R1.fastq
Ramos (RA 1) ATCC CRL-1596 Homo sapiens Burkitt's cell lymphoma immunoglobulin heavy chain variable sequences. RT-PCR and amplification from cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
WT_IgM_R2.fastq
Ramos (RA 1) ATCC CRL-1596 Homo sapiens Burkitt's cell lymphoma immunoglobulin heavy chain variable sequences. RT-PCR and amplification from cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
WT_LLC_R1.fastq
Ramos (RA 1) ATCC CRL-1596 Homo sapiens Burkitt's cell lymphoma immunoglobulin lambda light chain variable sequences. RT-PCR and amplification from cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
WT_LLC_R2.fastq
Ramos (RA 1) ATCC CRL-1596 Homo sapiens Burkitt's cell lymphoma immunoglobulin lambda light chain variable sequences. RT-PCR and amplification from cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
M1_IgM_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by one round of selection using HIV MGRM8 SOSIP. Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
M1_IgM_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by one round of selection using HIV MGRM8 SOSIP. Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
M1_LLC_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by one round of selection using HIV MGRM8 SOSIP. Immunoglobulin lambda light chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
M1_LLC_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by one round of selection using HIV MGRM8 SOSIP.Immunoglobulin lambda light chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
M2_IgM_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by two rounds of selection using HIV MGRM8 SOSIP. Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
M2_IgM_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by two rounds of selection using HIV MGRM8 SOSIP.Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
M2_LLC_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by two rounds of selection using HIV MGRM8 SOSIP. Immunoglobulin lambda light chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
M2_LLC_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by two rounds of selection using HIV MGRM8 SOSIP.Immunoglobulin lambda light chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
M3_IgM_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by three rounds of selection using HIV MGRM8 SOSIP. Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
M3_IgM_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by three rounds of selection using HIV MGRM8 SOSIP. Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
M3_LLC_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by three rounds of selection using HIV MGRM8 SOSIP. Immunoglobulin lambda light chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
M3_LLC_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by three rounds of selection using HIV MGRM8 SOSIP. Immunoglobulin lambda light chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
W1_IgM_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by one round of selection using HIV WITO SOSIP. Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
W1_IgM_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by one round of selection using HIV WITO SOSIP. Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
W1_LLC_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by one round of selection using HIV WITO SOSIP. Immunoglobulin lambda light chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
W1_LLC_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by one round of selection using HIV WITO SOSIP. Immunoglobulin lambda light chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
W2_IgM_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by two rounds of selection using HIV WITO SOSIP. Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
W2_IgM_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by two rounds of selection using HIV WITO SOSIP. Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
W2_LLC_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by two rounds of selection using HIV WITO SOSIP. Immunoglobulin lambda light chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
W2_LLC_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by two rounds of selection using HIV WITO SOSIP. Immunoglobulin lambda light chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
W3_IgM__R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by three rounds of selection using HIV WITO SOSIP. Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
W3_IgM_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by three rounds of selection using HIV WITO SOSIP. Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
W3_LLC_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by three rounds of selection using HIV WITO SOSIP. Immunoglobulin lambda light chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 1 (R1)
W3_LLC_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by three rounds of selection using HIV WITO SOSIP. Immunoglobulin heavy chain variable sequences from RT-PCR and amplification of cell mRNA performed using gene specific primers. TruSeq LT amplicon sequenced using 300x300 paired end reads on the Illumina MiSeq. This is read 2 (R2)
M3_RACE_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by three rounds of selection using HIV WITO SOSIP. Immunoglobulin heavy and light chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 1 (R1)
M3_RACE_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by three rounds of selection using HIV WITO SOSIP. Immunoglobulin heavy and light chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 2 (R2)
PU_RACE_R1.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by subsequent passage without further selection, passaged unselected (PU). Immunoglobulin heavy and light chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 1 (R1)
PU_RACE_R2.fastq
V781-PG9 engineered Ramos cells after HIV C108 SOSIP enrichment followed by subsequent passage without further selection, passaged unselected (PU). Immunoglobulin heavy and light chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 2 (R2)
D1_nonengineered_R1.fastq
Donor 1 control primary B cells 13 days post nucleofection. Immunoglobulin heavy chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 1.
D1_nonengineered_R2.fastq
Donor 1 control primary B cells 13 days post nucleofection. Immunoglobulin heavy chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq.This is read 2.
D1_V374_PG9_engineered_R1.fastq
Donor 1, V374-PG9 engineered primary B cells 13 days post nucleofection. Immunoglobulin heavy chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 1.
D1_V374_PG9_engineered_R2.fastq
Donor 1, V374-PG9 engineered primary B cells 13 days post nucleofection. Immunoglobulin heavy chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 1.
D2_nonengineered_R1.fastq
Donor 2 control primary B cells 13 days post nucleofection. Immunoglobulin heavy chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 1.
D2_nonengineered_R2.fastq
Donor 2 control primary B cells 13 days post nucleofection. Immunoglobulin heavy chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 2 (R2).
D2_V374_PG9_engineered_R1.fastq
Donor 2, V374-PG9 engineered primary B cells 13 days post nucleofection. Immunoglobulin heavy chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 1 (R1).
D2_V374_PG9_engineered_R2.fastq
Donor 2, V374-PG9 engineered primary B cells 13 days post nucleofection. Immunoglobulin heavy chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 2 (R2).
D3_nonengineered_R1.fastq
Donor 3 control primary B cells 13 days post nucleofection. Immunoglobulin heavy chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 1 (R1).
D3_nonengineered_R2.fastq
Donor 3 control primary B cells 13 days post nucleofection. Immunoglobulin heavy chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 2 (R2).
D3_V374_PG9_engineered_R1.fastq
Donor 3, V374-PG9 engineered primary B cells, 13 days post nucleofection. Immunoglobulin heavy chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 1 (R1).
D3_V374_PG9_engineered_R2.fastq
Donor 3, V374-PG9 engineered primary B cells 13 days post nucleofection. Immunoglobulin heavy chain variable regions amplified from cDNA made by RACE with barcoded 5' template switch adapters. NEBnext amplicon sequenced using 400x100 paired end reads on the Illumina MiSeq. This is read 2 (R2).