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SLC25A1

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All listed services and products are For Research Use Only. Do Not use in any diagnostic or therapeutic applications.

Background

Solute carrier family 25 member 1(SLC25A1, also known as CIC) is a mitochondrial inner membrane reverse transporter encoded by SLC25A1 gene, which is specifically located in the lipid bilayer of mitochondrial inner membrane and widely expressed in proliferating cells, epithelial cells and nerve cells. Different from other SLC25 family mitochondrial transporters, SLC25A1 mediates the reversible exchange process of citric acid and malic acid, which can transport citric acid in mitochondria to cytoplasm and transport cytoplasmic malic acid back to mitochondria. Under the steady state of metabolism, the moderate activity of SLC25A1 can provide citric acid substrate for cytoplasm to produce acetyl-CoA, and maintain the stability of physiological lipid synthesis and glycolysis flux. Under the condition of tumor proliferation or oxidative stress, the expression of SLC25A1 is up-regulated, which promotes the massive excretion of citric acid, accelerates the de novo synthesis of lipids, stabilizes FSP1 protein and enhances the viability of tumor cells. As a specific mitochondrial transporter with rate-limiting citric acid excretion function, its biological function can not be completely compensated by other transporters, and it can effectively connect mitochondrial tricarboxylic acid cycle with cytoplasmic anabolism and redox pathway. The loss of SLC25A1 function will exhaust the cytosolic acetyl coenzyme A reserve, inhibit tumor growth and enhance the sensitivity of cell iron death. The germ line mutation of this gene can induce compound 2- hydroxyglutaric aciduria, making it the core research target of mitochondrial vector biology and targeted screening of tumor metabolism.

SLC25A1 locates in the inner membrane of mitochondria and plays a reverse transport function. It relies on conservative substrate binding pocket to accurately mediate the two-way exchange of citric acid and malic acid, and its unique substrate selectivity makes it different from other tricarboxylic acid transport carriers. The protein-mediated metabolic shuttle system effectively connects mitochondrial energy metabolism with cytoplasmic lipid synthesis and redox regulation pathways, and can dynamically balance the level of synthetic metabolism and iron death resistance according to the cell proliferation state. SLC25A1 is widely involved in biological processes such as embryo metabolism regulation, neurolipid homeostasis maintenance and tumor metabolism reprogramming. The functional defect of SLC25A1 will lead to the depletion of cytoplasmic acetyl-CoA library and induce the abnormal accumulation of carcinogenic toxic metabolites. To sum up, SLC25A1 is the key research target of mitochondrial solute carrier mechanism research and metabolic targeted therapy screening.

Fig. 1 Model of SLC25A1-mediated citrate transport controlling FSP1 acetylation and ferroptosis for tumor metabolism research reagents. (OA Literature)Fig. 1 Schematic diagram of SLC25A1-ACLY-FSP1 axis regulating cellular ferroptosis via protein acetylation modification.1

SLC25A1 Protein Function: Core Roles in Citrate Export and Metabolic Tuning

The biological functions of SLC25A1 are focused on citrate-malate exchange, cytosolic acetyl-CoA production and ferroptosis regulation:

  • Mitochondrial Citrate Efflux: Exports matrix citrate to cytoplasm in exchange for malate import.
  • Cytosolic Acetyl-CoA Supply: Feeds substrate for de novo lipid synthesis and histone acetylation.
  • Metabolic Homeostasis: Maintains balanced TCA-cytosolic metabolite flux under resting cells.
  • Ferroptosis & Tumor Modulation: Stabilizes FSP to suppress lipid peroxidation and support cancer proliferation.
  • Disease Relevance: SLC25A1 deficiency causes 2-HGA metabolic disorder; overexpression drives tumor lipid metabolism and ferroptosis resistance.

SLC25A1 Protein Product

Creative Biolabs offers high-quality SLC25A1 proteins through optimized expression systems, including full mitochondrial carrier and isolated substrate-binding loop variants. These products retain native citrate-malate antiport biological activity, suitable for metabolite transport and metabolic modulator screening. All SLC25A1 proteins undergo strict quality control to ensure consistent performance and reliable application across diverse research platforms.

SLC25A1 Protein Product

Not finding the membrane protein product you need? Contact us to start your one-stop custom service!

SLC25A1 Stable Cell Line Product

Creative Biolabs provides custom-engineered SLC25A1 stable cell lines, including overexpression and blank control models. These cell lines are optimized for mitochondrial carrier profiling and lipogenic/ferroptosis signal functional analysis. Each cell line undergoes stringent validation to ensure stable expression profiles and consistent functional performance in diverse experimental contexts.

SLC25A1 Stable Cell Line Product

Not finding the stable cell line product you need? Contact us to start your one-stop custom service!

SLC25A1 Recombinant Antibody Product

High-specificity recombinant antibodies targeting SLC25A1 are developed via advanced antibody engineering technologies, with no cross-reactivity with other SLC25 mitochondrial carriers. These antibodies are validated for inner mitochondrial membrane localization detection and tumor/neural tissue profiling, and can be combined with metabolic enzyme markers to analyze citrate transport axis in cancer cell models.

SLC25A1 Recombinant Antibody Product

Not finding the recombinant antibody product you need? Contact us to start your one-stop custom service!

Product Features

  • Native Citrate-Malate Antiport Activity: Preserves intact metabolite exchange capacity for mitochondrial metabolism research.
  • SLC25A1 Specificity: Eliminates non-specific cross-recognition of other mitochondrial transporters.
  • Tumor Metabolism Compatibility: Optimized reagent series for lipogenesis and ferroptosis compound screening workflows.
  • Comprehensive Customization Support: Facilitates end-to-end development of customized proteins, antibodies and stable cell lines to address carrier research demands.

Custom SLC25A1 Research Services

Beyond catalog products, Creative Biolabs offers specialized custom services for SLC25A1 research:

  • Custom SLC25A1 Protein Production: Tailored expression of mutant and tagged SLC25A1 constructs for citrate transport analysis.
  • Custom Antibody Development: Generation of SLC25A1-specific antibodies for mitochondrial immunostaining.
  • Stable Cell Line Engineering: Construction of SLC25A1-modified cell models for lipid/ferroptosis research.
  • Functional Assay Development: Custom design of citrate efflux and lipid peroxidation detection workflows.

Frequently Asked Questions (FAQ)

  1. What is the primary function of SLC25A1?

    SLC25A1 is mitochondrial citrate-malate antiporter that exports citrate to cytosol to supply acetyl-CoA for lipogenesis and regulate ferroptosis resistance.

  2. Why is SLC25A1 a significant research target?

    SLC25A1 links mitochondrial TCA metabolism to tumor anabolic pathways and redox balance, a key target for metabolic cancer therapy.

  3. Are Creative Biolabs' SLC25A1 products suitable for clinical use?

    No, all SLC25A1 products and services are strictly for research use only, not intended for clinical diagnosis or treatment.

  4. What types of SLC25A1 products does Creative Biolabs offer?

    Offerings include full SLC25A1 carrier proteins, isoform-specific detection antibodies and custom stable cell lines for metabolic research.

  5. How are SLC25A1 proteins validated for activity?

    SLC25A1 proteins are validated via in vitro citrate-malate exchange transport assays.

Reference
  1. Li, Wei, et al. "SLC25A1 and ACLY maintain cytosolic acetyl-CoA and regulate ferroptosis susceptibility via FSP1 acetylation." The EMBO journal 44.6 (2025): 1641. Under Open Access license CC BY 4.0, without modification. https://doi.org/10.1038/s44318-025-00369-5
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