Engineering selective PI3Kγ inhibitors with antitumor and immunomodulatory potentials

KEY WORDS

PI3Kγ-targeted inhibitor

Machine learning

Molecular hybridization

Indole-hybrid aromatic ring

PI3K/AKT/NF-κB signaling axis

Tumor-associated macrophage reprograming

Immunomodulation

Melanoma treatment

AbbreviationsCADD

computer-aided drug design

CDK

cyclin-dependent kinases

CTLA-4

cytotoxic T lymphocyte associate protein-4

CETSA

cellular thermal shift assay

DMEM

dulbecco's modified eagle medium

DAPI

4',6-diamidino-2-phenylindole

DCFH-DA

2',7'-dichlorodihydrofluorescein diacetate

DAB

3,3-diaminobenzidine-tetrachloride

ELISA

enzyme-linked immunosorbent assay

ECL

enhanced chemiluminescence

ECFP

extended connectivity fingerprints

FITC

fluorescein isothiocyanate

GOSTAR

globe online structure-activity relationship database

IHA

indole-hybrid aromatic ring

IkK

inhibitor of kappa B kinase

KEGG

kyoto encyclopedia of genes and genomes

mTOR

mammalian target of rapamycin

MTT

3-(4,5-dimethylthiazol-2-yl)-2,5 diphenyl tetrazolium bromide methyl thiazolyl tetrazolium

NF-kB

nuclear factor kappa-B

PD-L1

programmed cell death ligand 1

PD-1

programmed death receptor 1

PI3K

phosphoinositide 3-kinase

PBS

phosphate buffer saline

PARP

poly adp-ribose polymerase

PVDF

polyvinylidene difluoride

ROS

reactive oxygen species

ROC

receiver operating characteristic

RMSD

root-mean-square deviation

RIPA

radioimmunoprecipitation assay buffer

SVM

support vector machine

SDS-PAGE

sodium dodecyl sulfate-polyacrylamide gel electrophoresis

TNFA

tumor necrosis factor-α

TNF-α

tumor necrosis factor-α.

TAMs

tumor-associated macrophages

TAM-M1

M1-type tumor-associated macrophages

TAM-M2

M2-type tumor-associated macrophage

t-SNE

t-distributed stochastic neighbor embedding

TUNEL

terminal deoxynucleotidyl transferase

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