Western blot shows lysates of 3T3-L1 mouse embryonic fibroblast adipose-like cell line and mouse embryo tissue. PVDF membrane was probed with 0.1 µg/mL of Rabbit Anti-Mouse Pref-1/DLK1/FA1 Monoclonal Antibody (Catalog ...read more
3T3‑L1 mouse embryonic fibroblast adipose-like cell line was stained with Rabbit Anti-Mouse Pref‑1/DLK1/FA1 Monoclonal Antibody (Catalog # MAB8634, filled histogram) or isotype control antibody (Catalog # AB-108-C, ...read more
Pref‑1/DLK1/FA1 was detected in immersion fixed frozen sections of mouse embryonic liver tissue (13 d.p.c.) using Rabbit Anti-Mouse Pref‑1/DLK1/FA1 Monoclonal Antibody (Catalog # MAB8634) at 1 µg/mL for 1 ...read more
Simple Western lane view shows lysates of mouse embryo tissue, loaded at 0.2 mg/mL. A specific band was detected for Pref‑1/DLK1/FA1 at approximately 63 kDa (as indicated) using 1 μg/mL of Rabbit ...read more
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.
Buffer
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.
Preservative
Sodium Azide
Reconstitution Instructions
Reconstitute at 0.5 mg/mL in sterile PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Pref-1/DLK1/FA1 Antibody (1168B) [Unconjugated]
delta-like 1 homolog (Drosophila)
DLK
DLK1
DLK-1
FA1
FA1fetal antigen 1
pG2
pG2delta-like homolog (Drosophila)
preadipocyte factor 1
Pref1
Pref-1
protein delta homolog 1
secredeltin
ZOG
Background
Pref-1 (Preadipocyte factor 1), also known as Protein delta homolog 1, DLK1, FA1 and Fetal antigen 1, is a 45-60 kDa transmembrane glycoprotein that is highly expressed in fetal liver, placenta, adult adrenal gland, brain, testis and ovary. Expression of Pref-1 is elevated in liver after birth but starts to decline around postnatal day 16. Mature mouse Pref-1 is a 362 amino acid (aa) type I transmembrane N- and O-linked glycoprotein. It contains a 282 aa extracellular region (aa 24-305), a 24 aa transmembrane segment (aa 306-329), and a 56 aa cytoplasmic domain (aa 330-385). It contains 6 EGF-like domains and is involved in embryonic skeletal system development. Pref-1 inhibits preadipocyte proliferation by regulating their entry into G1/S-phase and represses preadipocyte differentiation. It is a master regulator of preadipocyte homeostasis and adipose tissue expansion. Pref-1 manipulation may, therefore, be utilized in obesity treatments. Mouse Pref-1 shares 85% and 94% aa identity with human and rat Pref-1, respectively
Limitations
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
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