Human/Mouse PIWIL1/HIWI Antibody Summary
Accession # Q96J94
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.
PIWIL1/HIWI in Mouse Testes. PIWIL1/HIWI was detected in perfusion fixed frozen sections of mouse testes using Goat Anti-Human PIWIL1/HIWI Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6548) at 1.7 µg/mL overnight at 4 °C. Tissue was stained using the Northern-Lights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to the cytoplasm of spermatocytes. View our protocol for Fluorescent IHC Staining of Frozen Tissue Sections.
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.
PIWI (P-element-induced wimpy testis; also HIWI and PIWIL1) is a 92-98 kDa member of the Piwi subfamily, Argonaute family of proteins. It is expressed in germline cells, particularly spermatocytes and spermatids, and also appears in CD34+ hematopoietic stem cells plus select tumor types. PIWI binds to a series of 28‑34 nucleic acid long noncoding RNAs that participate in gametogenesis. It does so under the influence of Arg methyltransferases, and in conjunction with Tudor‑containing proteins. Human PIWI/PIWIL1 is 861 amino acids (aa) in length. It contains a methylation target region in the N-terminus, followed by an RNA-binding PAZ domain (aa 277-391) and an RNA-cleaving PIWI domain (aa 555-847). There are two isoform variants. One is widely expressed and shows a three aa substitution for aa 1‑89. The second contains a six aa substitution for aa 824-861. Over aa 82-290, human PIWI (HIWI) shares 95% aa sequence identity with mouse PIWI (MIWI).
Citation for Human/Mouse PIWIL1/HIWI 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
Biopathological Significance of PIWI-piRNA Pathway Deregulation in Invasive Breast Carcinomas
Authors: D Meseure, S Vacher, S Boudjemaa, M Laé, A Nicolas, R Leclere, W Chemlali, G Champenois, A Schnitzler, L Lesage, T Dubois, I Bieche
Cancers (Basel), 2020;12(10):.
Sample Types: Whole Tissue
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