Reg1A/B Antibody [Unconjugated]

Images

 
Western blot shows lysates of human pancreas tissue. PVDF membrane was probed with 1 µg/mL of Sheep Anti-Human Reg1A Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4937) followed by HRP-conjugated ...read more
Reg1A was detected in immersion fixed paraffin-embedded sections of human pancreas using Sheep Anti-Human Reg1A Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4937) at 3 µg/mL overnight at 4 °C. Before ...read more

Product Details

Summary
Reactivity HuSpecies Glossary
Applications WB, IHC
Clonality
Polyclonal
Host
Sheep
Conjugate
Unconjugated
Concentration
LYOPH

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Catalog# & Formulation Size Price

Reg1A/B Antibody [Unconjugated] Summary

Immunogen
Chinese hamster ovary cell line CHO-derived recombinant human Reg1A
Gln23-Asn166
Accession # P05451
Specificity
Detects human Reg1A in direct ELISAs. In direct ELISAs, approximately 80% cross-reactivity with recombinant human (rh) Reg1B is observed, approximately 20% cross-reactivity with recombinant mouse Reg1, and less than 5% cross-reactivity with rhReg3A and recombinant rat Reg1A is observed. 100% cross-reactivity with rhReg1B in Western blot is observed.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Sheep
Gene
REG1A
Purity Statement
Antigen Affinity-purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Immunohistochemistry 5-15 ug/mL
  • Western Blot 1 ug/mL

Packaging, Storage & Formulations

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.
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
No Preservative
Concentration
LYOPH
Reconstitution Instructions
Sterile PBS to a final concentration of 0.2 mg/mL.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Reg1A/B Antibody [Unconjugated]

  • Reg1A/B

Background

Reg1A (Regenerating gene IA/ alpha ; also REG, ICRF, PSPS, PTP and Lithostathine-1 alpha ) is a secreted, variably glycosylated 15-22 kDa type I member of the REG gene family of proteins. It is induced in proliferating cell types such as colonic epithelium, islet beta -cells, and multiple tumor types, and is constitutively expressed by pancreatic acinar cells. Thus, Reg1A is found both in blood (ng/mL quantities) and pancreatic secretions. It would appear that Reg1A plays a role in blocking apoptosis, and is upregulated by both IL-22 and IL-6. Human Reg1A is synthesized as a 166 amino acid (aa) precursor. It contains a 22 aa signal sequence plus a 144 aa mature region that is characterized by the presence of three intrachain disulfide bonds, one C-type lectin domain (aa 34-164), and a utilized N-terminal O-linked glycosylation site (Thr27). Variablility in the glycosylation pattern, plus proteolytic cleavage after Arg11 generates Reg1A isoforms in the 15-22 kDa range. There is one potential isoform variant that shows an alternative start site at Met9. Mature (aa 23-166) human Reg1A shares 76% and 69% aa sequence identity with mouse and rat Reg1A, respectively.

Reg1B, also known as secretory pancreatic stone protein 2 and lithostathine 1 beta, is a type I subclass member of the Reg family, which comprises secreted proteins with a C-type lectin domain. Reg1B is highly related to Reg1A, a protein that is implicated in islet cell regeneration and diabetogenesis.

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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Product General Protocols

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Video Protocols

WB Video Protocol

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Secondary Antibodies

 

Isotype Controls

Additional Reg1A/B Products

Array AF4937

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Bioinformatics

Gene Symbol REG1A
Uniprot