Table 3.
Pre-clinical studies on PARP1 and DNA-PK inhibitors against hematologic malignancies
| Target | Inhibitors | Type of malignancy | Highlights | Ref |
|---|---|---|---|---|
| PARP1 | Olaparib (AZD2281, MK-7339) | MCL and MLL-AF9 rearranged Leukemia cells | Higher sensitivity of double-deficient ATM/p53 MCL cells, compared to mono-deficient MCL cells in ATM | [106] |
| AG14361 | MCL cells | Enhanced topotecan-induced apoptosis independent of TP53 status | [151] | |
| PJ-34 | Patient-derived ATLL cells | p53-mediated caspase 3-dependent apoptosis | [155] | |
| HL60, MOLT4, and K562 human leukemia cell lines | Synergistic effect in combination with histone deacetylase inhibitor, vorinostat | [156] | ||
| BMN-673 (talazoparib) | Patient-derived CLL samples | Inhibited the proliferation of CLL cells independently of p53/ATM function | [158] | |
| Primary AML samples AML mouse models | Enhanced apoptosis in combination with decitabine | [166] | ||
| Veliparib (ABT-888) | Patients with relapsed/refractory lymphoma and MM | Enhances the cytotoxicity of bendamustine and rituximab | [161] | |
|
MM cells MM xenografts in SCID mice |
Combined treatment with CDK inhibitor dinaciclib resulted in synthetic lethality of MM cells | [162] | ||
| Acute leukemia, high-risk MPNs | Promising results in Combined treatment with topotecan and carboplatin in phase I study | [164] | ||
| P10 | Human leukemic cell line Nalm6 | Induction of G2/M arrest and accumulation of DNA damage | [168] | |
| DNA-PK | Wortmannin | Human leukemia cells |
Sonolisib (PX-866) is Irreversible wortmannin analogue PWT-458 is PEGylated derivative of wortmannin |
[193, 194] |
| NU7026 | Primary CLL cells | Synergistic effects with chlorambucil | [195] | |
| CC-115 | CLL, NHL, and MM |
Phase I clinical trial A dual inhibitor of DNA-PK and mTOR |
[177, 196] | |
| IC86621 | NHL and HL | Synergistic effects with bleomycin and etoposide | [183] | |
| CC-122 (Avadomide) | NHL and MM | Phase I clinical trial | [178, 197] | |
| NU7441 | Pre-B ALL cells | Increase of chemosensitivity to doxorubicin | [198] | |
| OK-1035 | L5178Y cells (lymphoma cell line) | Preclinical testing | [199] | |
| Dbait (AsiDNA or DT01) | Lymphoma and leukemia cells |
32 bp double-stranded DNA fragment that mimics DNA lesion and traps DNA repair enzymes A dual inhibitor of DNA-PK and PARP1 |
[191] | |
| GRN163L (Imetelstat) | CLL |
Imetelstat sensitizes primary CLL lymphocytes to fludarabine A dual inhibitor of DNA-PK and telomerase |
[192] |