Human Tryptophan Hydroxylase 1/TPH-1 Antibody
Human Tryptophan Hydroxylase 1/TPH-1 Antibody Summary
Met102-Pro403
Accession # P17752
Applications
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.
Scientific Data
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Detection of Human Tryptophan Hydroxylase 1/TPH‑1 by Western Blot. Western blot shows lysates of AGS human gastric adenocarcinoma cell line. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human Tryptophan Hydroxylase 1/TPH-1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5276) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for Tryptophan Hydroxylase 1 at approximately 60 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
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Tryptophan Hydroxylase 1/TPH‑1 in Human Brain. Tryptophan Hydroxylase 1/TPH-1 was detected in immersion fixed paraffin-embedded sections of human brain (substantia nigra) using Goat Anti-Human Tryptophan Hydroxylase 1/TPH-1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5276) at 1 µg/mL for 1 hour at room temperature followed by incubation with the Anti-Goat IgG VisUCyte™ HRP Polymer Antibody (Catalog # VC004). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to neurons. View our protocol for IHC Staining with VisUCyte HRP Polymer Detection Reagents.
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Tryptophan Hydroxylase 1/TPH‑1 in Rat Brain. Tryptophan Hydroxylase 1/TPH-1 was detected in perfusion fixed frozen sections of rat brain using Goat Anti-Human Tryptophan Hydroxylase 1/TPH-1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5276) at 1.7 µg/mL overnight at 4 °C. Tissue was stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to neurons. View our protocol for Fluorescent IHC Staining of Frozen Tissue Sections.
Reconstitution Calculator
Preparation and Storage
- 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: Tryptophan Hydroxylase 1/TPH-1
Tryptophan Hydroxylase 1 (TPH-1) is a 50‑60 kDa intracellular enzyme that belongs to the biopterin-dependent, aromatic amino acid hydroxylase family. It is expressed in gut enterochromaffin cells and pineal gland. TPH-1 catalyzes the hydroxylation of L-Trp, which is the rate-limiting step in serotonin biosynthesis. Human TPH-1 is 444 amino acids (aa) in length. It contains an N-terminal regulatory domain (aa 1‑98), a catalytic region (aa 99‑424), and a C‑terminal Leu-zipper tetramerization domain (aa 425‑444). TPH-1 is phosphorylated on Ser58, and subsequently binds to 14-3-3 proteins, resulting in activation. It functions as a noncovalent Fe-binding 230 kDa homotetramer. There are three potential splice variants. One shows a 29 aa substitution for aa 438‑444, a second shows a 50 aa substitution for aa 157‑444, and a third shows a 68 aa substitution for aa 1‑21. Over aa 102‑403, Human TPH-1 shares 95% aa identical with mouse TPH-1.
Product Datasheets
Citation for Human Tryptophan Hydroxylase 1/TPH-1 Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
1 Citation: Showing 1 - 1
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Single-Cell Transcriptomics of Parkinson's Disease Human In�Vitro Models Reveals Dopamine Neuron-Specific Stress Responses
Authors: HJR Fernandes, N Patikas, S Foskolou, SF Field, JE Park, ML Byrne, AR Bassett, E Metzakopia
Cell Rep, 2020-10-13;33(2):108263.
Species: Human
Sample Types: Whole Cells
Applications: ICC
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