Human TAFA1/FAM19A1 Antibody

Catalog # Availability Size / Price Qty
MAB5154
MAB5154-SP
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Human TAFA1/FAM19A1 Antibody Summary

Species Reactivity
Human
Specificity
Detects human TAFA1/FAM19A1 in direct ELISAs and Western blots. In direct ELISAs and Western blots, no cross‑reactivity with recombinant human TAFA2, 3, 4, or 5 is observed.
Source
Monoclonal Mouse IgG1 Clone # 492821
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
E. coli-derived recombinant human TAFA1/FAM19A1
Ser26-Thr133
Accession # Q7Z5A9
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Applications

Recommended Concentration
Sample
Western Blot
1 µg/mL
Recombinant Human TAFA1/FAM19A1 (Catalog # 5154-TA)

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: TAFA1/FAM19A1

TAFA1 (also FAM19A1) is a secreted, 13 kDa member of the FAM19/TAFA family of chemokine-like proteins (1). It is synthesized as a 133 amino acid (aa) precursor that contains a 19 aa signal sequence and a 114 aa mature chain. Like other members of the FAM19/TAFA family, mature TAFA1 contains 10 regularly spaced cysteine residues that follow the pattern CX7CCX13CXCX14CX11CX4CX5CX10C, in which C represents a conserved cysteine residue and X represents a noncysteine amino acid (1). Human TAFA1 is 100% aa identical to mouse TAFA1. TAFA1 is expressed exclusively in the brain, with highest expression in the frontal cortex, temporal cortex, occipital cortex, parietal cortex and medulla, and low levels in the basal ganglion, thalamus, and cerebellum (1). First, TAFAs may modulate immune responses in the CNS by functioning as brain-specific chemokines, and may act with other chemokines to optimize the recruitment and activity of immune cells in the CNS (1). Second, TAFAs may represent a novel class of neurokines that act as regulators of immune nervous cells (1, 2). And third, TAFAs may control axonal sprouting following brain injury (1).

References
  1. Tang, Y.T. et al. (2004) Genomics 83:727.
  2. Benveniste, E. (1998) Cytokine Growth Factor Rev. 9:259.
Long Name
Family with Sequence Similarity 19, Member A1
Entrez Gene IDs
407738 (Human); 320265 (Mouse); 500266 (Rat)
Alternate Names
Chemokine-like protein TAFA-1; FAM19A1; family with sequence similarity 19 (chemokine (C-C motif)-like), member A1; TAFA1; TAFA-1

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