Anti-SLC6A1 polyclonal antibody (CABT-BL5700)


Host Species
Antibody Isotype
Species Reactivity
Recombinant protein corresponding to amino acids of human SLC6A1.


Application Notes
IHC: 1:20-1:50
WB: 1:250-1:500
*Suggested working dilutions are given as a guide only. It is recommended that the user titrates the product for use in their own experiment using appropriate negative and positive controls.


Alternative Names
SLC6A1; solute carrier family 6 (neurotransmitter transporter, GABA), member 1; sodium- and chloride-dependent GABA transporter 1; GABATHG; GABATR; GAT1
Entrez Gene ID
UniProt ID

Product Background

GABA synthesis, release, reuptake and degradation, organism-specific biosystem; GABAergic synapse, organism-specific biosystem; GABAergic synapse, conserved biosystem; monoamine Transport, organism-specific biosystem; Na+/Cl- dependent neurotransmitter transporters, organism-specific biosystem; Neuronal System, organism-specific biosystem; Neurotransmitter Release Cycle, organism-specific biosystem;


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A missense mutation in SLC6A1 associated with Lennox-Gastaut syndrome impairs GABA transporter 1 protein trafficking and function


Authors: Cai, Kefu; Wang, Jie; Eissman, Jaclyn; Wang, Juexin; Nwosu, Gerald; Shen, Wangzhen; Liang, Hui-Ci; Li, Xiao-Jing; Zhu, Hai-Xia; Yi, Yong-Hong; Song, Jeffrey; Xu, Dong; Delpire, Eric; Liao, Wei-Ping; Shi, Yi-Wu; Kang, Jing-Qiong

Background: Mutations in SLC6A1 have been associated mainly with myoclonic atonic epilepsy (MAE) and intellectual disability. We identified a novel missense mutation in a patient with Lennox-Gastaut syndrome (LGS) characterized by severe seizures and developmental delay. Methods: Exome Sequencing was performed in an epilepsy patient cohort. The impact of the mutation was evaluated by H-3 gamma-aminobutyric acid (GABA) uptake, structural modeling, live cell microscopy, cell surface biotinylation and a high-throughput assay flow cytometry in both neurons and non neuronal cells. Results: We discovered a heterozygous missense mutation (c700G to A [pG234S) in the SLC6A1 encoding GABA transporter 1 (GAT-1). Structural modeling suggests the mutation destabilizes the global protein conformation. With transient expression of enhanced yellow fluorescence protein (YFP) tagged rat GAT-1 eDNAs, we demonstrated that the mutant GAT-1(G234S) transporter had reduced total protein expression in both rat cortical neurons and HEK 293 T cells. With a high-throughput flow cytometry assay and live cell surface biotinylation, we demonstrated that the mutant GAT-1(G234S) had reduced cell surface expression. H-3 radioactive labeling GABA uptake assay in HeLa cells indicated a reduced function of the mutant GAT-1(G234S). Conclusions: This mutation caused instability of the mutant transporter protein, which resulted in reduced cell surface and total protein levels. The mutation also caused reduced GABA uptake in addition to reduced protein expression, leading to reduced GABA clearance, and altered GABAergic signaling in the brain. The impaired trafficking and reduced GABA uptake function may explain the epilepsy phenotype in the patient.

Overexpression of SLC6A1 associates with drug resistance and poor prognosis in prostate cancer


Authors: Chen, Chaojiang; Cai, Zhiduan; Zhuo, Yangjia; Xi, Ming; Lin, Zhuoyuan; Jiang, Funeng; Liu, Zezhen; Wan, Yueping; Zheng, Yu; Li, Jianxin; Zhou, Xing; Zhu, Jianguo; Zhong, Weide

Background Solute Carrier Family 6 Member 1 (SLC6A1) has been identified as a cancer-promoting gene in various human cancers, such as clear cell renal cell carcinoma and ovarian cancer. However, its roles in prostate cancer (PCa) has not been fully elucidated. The aim of this study was to investigate the expression and clinical significance of SLC6A1 in PCa tissues and its effect on drug resistance to docetaxel in PCa. Methods Expression patterns of SLC6A1 protein in PCa tissues were examined by immunohistochemistry based on Tissue microarray. Associations of SLC6A1 protein expression with various clinicopathological features and patients' prognosis of PCa were also statistically evaluated based on TCGA data. Roles of SLC6A1 deregulation in prostate carcinogenesis and drug resistance was further determined in vitro and in vivo experiments. Results Based on TCGA Dataset, SLC6A1 expression was markedly higher in patients with high Gleason score, advanced clinical stage and positive biochemical recurrence than those with control features (all P < 0.05). Both unvariate and multivariate analyses demonstrated that SLC6A1 expression was significantly associated with biochemical recurrence-free survival in PCa patients. In addition, enforced expression of SLC6A1 effectively promoted cell proliferation, migration and invasion of PCa cells in vitro. Moreover, the inhibition of SLC6A1 suppressed the tumor growth in vivo. Additionally, immunohistochemical notches of PCNA and MMP-9 in the low-expression cluster were pointedly lower compared to those of NC group. Finally, the cell viability revealed that the overexpression of SLC6A1 obviously promoted the PCa cell resistant to docetaxel (DTX), and the transplanted tumor in the overexpression group had no significant reduction compared with the untreated group. Conclusions Our data suggest that SLC6A1 overexpression may be associated with aggressive progression and short biochemical recurrence-free survival of PCa, and may be related to the resistance to docetaxel therapy.

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