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C57BL/6JCya-Kcnt2em1flox/Cya
Common Name:
Kcnt2-flox
Product ID:
S-CKO-08301
Background:
C57BL/6JCya
Product Type
Age
Genotype
Sex
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Basic Information
Strain Name
Kcnt2-flox
Strain ID
CKOCMP-240776-Kcnt2-B6J-VA
Gene Name
Kcnt2
Product ID
S-CKO-08301
Gene Alias
E330038N15Rik; Slick
Background
C57BL/6JCya
NCBI ID
240776
Modification
Conditional knockout
Chromosome
1
Phenotype
MGI:3036273
Document
Click here to download >>
Application
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Rare Disease Data Center >>
Note
Note: When using this mouse strain in a publication, please cite “C57BL/6JCya-Kcnt2em1flox/Cya mice (Catalog S-CKO-08301) were purchased from Cyagen.”
Strain Description
Ensembl Number
ENSMUST00000120796
NCBI RefSeq
NM_001081027
Target Region
Exon 2
Size of Effective Region
~1.5 kb
Detailed Document
Click here to download >>
Overview of Gene Research
Kcnt2, also known as Slick, encodes for pore-forming alpha subunits of the sodium-activated potassium (KNa) channel. This channel is rapidly gating, weakly voltage-dependent and sodium-dependent, and is involved in regulating neuronal excitability. It is expressed in specific neurons like those in the dorsal root ganglia, playing a role in pain-related processes [2].

In Slick knockout (KO) mice, increased basal heat detection and exacerbated thermal hyperalgesia were observed during neuropathic and chronic inflammatory pain. Electrophysiologic recordings of dorsal root ganglia neurons from these KO mice showed that Slick channels contribute to outward current, action potential firing propensity, and action potential properties, suggesting that Kcnt2-encoded channels restrain the excitability of certain neurons to diminish pain behavior [2].

Pathogenic variants in Kcnt2 are rare causes of developmental epileptic encephalopathy (DEE). Studies on patients with Kcnt2-related DEE found various phenotypes such as intellectual disability/developmental delay, epilepsy, neurological impairment, and dysmorphisms. In vitro functional studies of Kcnt2 variants showed gain-of-function (GoF) or loss-of-function (LoF) features, and different drugs had specific effects on these variants, indicating the need for in-vitro functional and pharmacological investigation for targeted therapies [1].

In conclusion, Kcnt2 plays a crucial role in regulating neuronal excitability, with implications for pain perception and epilepsy. The study of Kcnt2 using KO mouse models has provided insights into its function in pain-related biological processes, and research on human Kcnt2-related disorders has revealed its significance in developmental epileptic encephalopathies, highlighting potential directions for therapeutic development.

References:
1. Cioclu, Maria Cristina, Mosca, Ilaria, Ambrosino, Paolo, Rubboli, Guido, Taglialatela, Maurizio. 2023. KCNT2-Related Disorders: Phenotypes, Functional, and Pharmacological Properties. In Annals of neurology, 94, 332-349. doi:10.1002/ana.26662. https://pubmed.ncbi.nlm.nih.gov/37062836/
2. Tomasello, Danielle L, Hurley, Edward, Wrabetz, Lawrence, Bhattacharjee, Arin. 2017. Slick (Kcnt2) Sodium-Activated Potassium Channels Limit Peptidergic Nociceptor Excitability and Hyperalgesia. In Journal of experimental neuroscience, 11, 1179069517726996. doi:10.1177/1179069517726996. https://pubmed.ncbi.nlm.nih.gov/28943756/
Quality Control Standard
Sperm Test

Pre-cryopreservation: Measurement of sperm concentration, determination of sperm viability.

Post-cryopreservation: A vial of cryopreserved sperms is selected for in-vitro fertilization from each batch.

Environmental Standards:SPF
Available Region:Global
Source:Cyagen
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