• Product name
    Anti-KCNK18/TRESK antibody
    See all KCNK18/TRESK primary antibodies
  • Description
    Rabbit polyclonal to KCNK18/TRESK
  • Host species
  • Tested applications
    Suitable for: WB, ELISA, IHC-Pmore details
  • Species reactivity
    Reacts with: Rat, Human
    Predicted to work with: Mouse
  • Immunogen

    KLH conjugated synthetic peptide derived from internal sequence of Human KCNK18/TRESK.

  • Positive control
    • Human Heart tissue; Rat brain tissue lysate.



Our Abpromise guarantee covers the use of ab113883 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
WB Use a concentration of 1 - 2 µg/ml. Predicted molecular weight: 44 kDa.
ELISA Use at an assay dependent concentration.
IHC-P Use a concentration of 5 µg/ml.


  • Function
    Outward rectifying potassium channel. Produces rapidly activating outward rectifier K(+) currents. May function as background potassium channel that sets the resting membrane potential. Channel activity is directly activated by calcium signal. Activated by the G(q)-protein coupled receptor pathway. The calcium signal robustly activates the channel via calcineurin, whereas the anchoring of 14-3-3/YWHAH interferes with the return of the current to the resting state after activation. Inhibited also by arachidonic acid and other naturally occurring unsaturated free fatty acids. Channel activity is also enhanced by volatile anesthetics, such as isoflurane. Appears to be the primary target of hydroxy-alpha-sanshool, an ingredient of Schezuan pepper. May be involved in the somatosensory function with special respect to pain sensation.
  • Tissue specificity
    Expressed specifically in dorsal root ganglion and trigeminal ganglion neurons. Detected at low levels in spinal cord.
  • Involvement in disease
    Defects in KCNK18 are a cause of migraine with or without aura type 13 (MGR13) [MIM:613656]. A form of migraine trasmitted in an autosomal dominant pattern. Migraine is a disabling symptom complex of periodic headaches, usually temporal and unilateral. Headaches are often accompanied by irritability, nausea, vomiting and photobia, preceded by constriction of the cranial arteries. The two major subtypes are common migraine (migraine without aura) and classic migraine (migraine with aura). Classic migraine is characterized by recurrent attacks of reversible neurological symptoms (aura) that precede or accompany the headache. Aura may include a combination of sensory disturbances, such as blurred vision, hallucinations, vertigo, numbness and difficulty in concentrating and speaking. Note=Susceptibility to migraine has been shown to be conferred by a frameshift mutation that segregates with the disorder in a large multigenerational family. Migraine was associated with sensitivity to lights, sounds, and smells, as well as nausea and occasional vomiting. Triggers included fatigue, alcohol and bright lights. Mutations in KCNK18 are a rare cause of migraine.
  • Sequence similarities
    Belongs to the two pore domain potassium channel (TC 1.A.1.8) family.
  • Post-translational
    Phosphorylation of Ser-252 is required for the binding of 14-3-3eta/YWHAH. Calcineurin-mediated dephosphorylation of Ser-264 enhances channel activity.
  • Cellular localization
    Cell membrane.
  • Information by UniProt
  • Database links
  • Alternative names
    • K2p18.1 antibody
    • KCNK18 antibody
    • KCNKI_HUMAN antibody
    • MGR13 antibody
    • OTTHUMP00000020575 antibody
    • Potassium channel subfamily K member 18 antibody
    • TRESK 2 antibody
    • TRESK antibody
    • TRESK2 antibody
    • TRIK antibody
    • TWIK related individual K+ channel antibody
    • TWIK related individual potassium channel antibody
    • TWIK related spinal cord K+ channel antibody
    • TWIK related spinal cord potassium channel antibody
    • TWIK-related individual potassium channel antibody
    • TWIK-related spinal cord potassium channel antibody
    see all


  • ab113883, at 5 µg/ml, staining KCNK18/TRESK in formalin-fixed, paraffin-embedded Human heart tissue by Immunohistochemistry.
  • Lane 1 : Anti-KCNK18/TRESK antibody (ab113883) at 1 µg/ml
    Lane 2 : Anti-KCNK18/TRESK antibody (ab113883) at 2 µg/ml

    All lanes : Rat brain tissue lysate

    Predicted band size: 44 kDa


ab113883 has not yet been referenced specifically in any publications.

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