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Table 1 CRISPR/Cas9 variants and their applications in cancer treatment

From: Integration of CRISPR/Cas9 with artificial intelligence for improved cancer therapeutics

Tool

Cas9 fusion/

Cancer biology

Application

Ref.

CRISPRa

Cas9-SAM

Prostate cancer

Identification of genes associated with drug resistance

[53]

Cas9-VP64

Immunotherapy

Precision targeting of mutated genes

[135]

Cas9-VPR

Colorectal cancer

Models altered glycosylation associated with cancer

[136]

Cas9-BCL-xL

Hematologic malignancies

Regulation of CAR-T cells

[137]

CRISPRi

Cas9-KRAB / Cas9-suntag

Myelodysplastic syndrome

Mechanism of action (Rigosertib)

[138]

Cas9

Multiple myeloma

Mechanism of action (immunotherapy)

[139]

Cas9-KRAB

Glioblastoma

Identification of lncRNAs as therapeutic target

[140]

Cas9-KRAB

Squamous cell carcinoma

Suppression of oncogene ΔNp63

[141]

NGS

Perturb-CITE-seq

Melanoma

Define mechanisms of resistance

[39]

scRNA-seq

Cutaneous squamous cell carcinoma

Roles for specific tumor subpopulation-enriched gene networks in tumorigenesis

[142]

Spear-ATAC-seq

Leukemia

Identification of regulatory networks

[143]

scRNA-seq (scRibo-STAMP profiling)

Triple-negative breast cancer

Identification of RNA binding protein as therapeutic target

[144]

Base Editor

Campylobacter jejuni CRISPR-associated protein 9-fused adenine base editor (CjABE)

Glioblastoma

Precision targeting of mutated genes

[145]

BE3, BE4, and ABE

Leukemia

T-cell–based immunotherapy

[146, 147]

Knock in

Cas9

Esophageal squamous cell carcinoma

Development of cellular immunotherapies

[148]

Cas9

Colorectal cancer

Patient-derived organoids

[149]

Cas9

Glioblastoma

Understanding quiescent glioblastoma

[150]

Cas9

Colorectal cancer

Identification of stem cell markers

[151]

Knock out

Cas9

Breast cancer

Generation of organoid cancer models

[66]

Cas9

Colorectal cancer

Validation of cancer driver genes

[152]

Cas9

Ovarian high-grade serous carcinoma

Generation of cancer models

[153]

Cas9

Lung cancer

Generation of cancer models

[154]

Cas9

Head and neck squamous cell carcinoma

Validation of the function of NRF21 gene

[155]