PLCB1 Knockout HAP1 Cell Line

The choice depends on whether you are studying PLCB1's role as a Gαq-coupled GPCR-activated phospholipase C-β isoform or modeling early infantile epileptic encephalopathy type 12 (EIEE12). The Knockout line is the standard tool for asking whether PLCβ1 is required for Gαq-coupled receptor signaling — PLCβ1 hydrolyzes PIP2 to IP3 and DAG downstream of M1/M3 muscarinic, mGluR1/5, α1-adrenergic, and other Gq-coupled receptors, particularly important in neuronal contexts. Overexpression is useful for studying PLCβ1 in heterologous expression contexts or for testing disease-associated mutations. For Gq-GPCR signaling research, the EDITGENE PLCB1 Knockout in HAP1 enables study of PLCβ1-specific Gq-coupled receptor downstream signaling. PLCB1 mutations cause EIEE12 (autosomal recessive malignant migrating partial seizures of infancy) — disease variant rescue enables genotype-function studies. PLCβ2-4 paralog expression analysis aids interpretation. Rescue with wild-type, lipase-dead, or EIEE12-associated mutant PLCβ1 enables comprehensive structure-function studies.

Primary applications: • Gq-GPCR signaling: PIP2 hydrolysis, IP3 generation, and intracellular Ca²⁺ mobilization following Gq-coupled receptor stimulation (M1/M3 muscarinic, mGluR1/5, α1-adrenergic). • EIEE12 disease modeling: rescue with patient-derived PLCB1 mutations for genotype-function correlation studies of early infantile epileptic encephalopathy. • Neuronal signaling: in heterologous neural contexts, characterization of PLCβ1's role in synaptic plasticity and neurotransmitter signaling. • PLCβ paralog studies: PLCB2-4 expression analysis to interpret PLCβ1-specific functions. EDITGENE recommends this model for researchers investigating Gq-coupled receptor signaling, PLCβ family specialization, and EIEE12 disease mechanisms.

Yes. PLCβ1 rescue experiments require attention to Gαq coupling: • Construct design: use a codon-modified PLCB1 sequence with a small C-terminal tag (FLAG, HA). PLCβ1 has PH domain, EF hands, X-Y catalytic core, C2 domain, and C-terminal Gαq-binding region — preserve all elements including the C-terminal extension required for Gαq interaction. • Lipase-dead rescue: catalytic residue mutations in the X-Y core abolish phospholipase activity and serve as the standard specificity control. • EIEE12 mutation rescue: patient-derived PLCB1 mutations enable disease genotype-function studies. • Functional readout: rescue should restore Gq-coupled GPCR-stimulated PIP2 hydrolysis and downstream Ca²⁺ signaling. HAP1-specific considerations: • Diploidization: HAP1 cells gradually diploidize during extended culture — confirm ploidy by flow cytometry at the time of phenotypic assay. • Integration site sensitivity: position effects on transgene expression are more pronounced in near-haploid backgrounds; generating multiple independent rescue clones is strongly recommended. • Transduction efficiency: HAP1 transduces with lentivirus at moderate efficiency — increase MOI compared to standard immortalized lines.