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C57BL/6JCya-Kcnt2em1/Cya
Common Name:
Kcnt2-KO
Product ID:
S-KO-17709
Background:
C57BL/6JCya
Product Type
Age
Genotype
Sex
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Basic Information
Strain Name
Kcnt2-KO
Strain ID
KOCMP-240776-Kcnt2-B6J-VB
Gene Name
Kcnt2
Product ID
S-KO-17709
Gene Alias
E330038N15Rik; Slick
Background
C57BL/6JCya
NCBI ID
240776
Modification
Conventional 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-Kcnt2em1/Cya mice (Catalog S-KO-17709) 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 [2]. This channel is rapidly gating, weakly voltage-and sodium-dependent, and is involved in processes like limiting peptidergic nociceptor excitability and hyperalgesia [3]. It is expressed in small-sized and medium-sized calcitonin gene-related peptide (CGRP)-containing dorsal root ganglia (DRGs) neurons [3].

Pathogenic variants in Kcnt2 are rare causes of developmental epileptic encephalopathy (DEE). In a study of 25 patients with Kcnt2 variants, phenotypes included intellectual disability/developmental delay, epilepsy, neurological impairment, and dysmorphisms [1]. Nineteen pathogenic variants were found, with some showing gain-of-function (GoF) and some loss-of-function (LoF) in vitro [1]. Quinidine and fluoxetine blocked GoF variants, while loxapine and riluzole had variable effects on LoF variants [1]. Also, Kcnt2 variants have been associated with Lhermitte-Duclos disease, and in a deeply phenotyped neuropathy cohort, the KCNT2 locus was linked with pain intensity [2,4].

In conclusion, Kcnt2 plays a crucial role in maintaining normal neuronal excitability as seen through its functions in nociceptor regulation and its association with DEE. The study of Kcnt2-related disorders through patient-based research has provided insights into the genotype-phenotype correlations and potential targeted therapies for these rare neurological conditions.

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. Assi, Jeries, Chyta, Marianna, Mavridis, Ioannis. 2023. Lhermitte-Duclos disease with concomitant KCNT2 gene mutation: report of an extremely rare combination. In Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery, 39, 3295-3299. doi:10.1007/s00381-023-06039-3. https://pubmed.ncbi.nlm.nih.gov/37368068/
3. 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/
4. Åkerlund, Mikael, Baskozos, Georgios, Li, Wenqianglong, Lyssenko, Valeriya, Bennett, David L. 2024. Genetic associations of neuropathic pain and sensory profile in a deeply phenotyped neuropathy cohort. In Pain, , . doi:10.1097/j.pain.0000000000003463. https://pubmed.ncbi.nlm.nih.gov/39471050/
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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