Key Product Details

Species Reactivity

Validated:

Mouse

Cited:

Mouse

Applications

Validated:

Western Blot

Cited:

Immunohistochemistry, Western Blot

Label

Unconjugated

Antibody Source

Polyclonal Sheep IgG
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Product Specifications

Immunogen

E. coli-derived recombinant mouse Reg1
Gln22-Gly165
Accession # P43137

Specificity

Detects mouse Reg1 in direct ELISAs and Western blots. In Western blots, approximately 10% cross-reactivity with recombinant mouse (rm) Reg2 is observed and less than 5% cross-reactivity with rmReg3A, recombinant human (rh) Reg1B, rhReg4, recombinant rat (rr) Reg3 and rrReg2 is observed.

Clonality

Polyclonal

Host

Sheep

Isotype

IgG

Scientific Data Images for Mouse Reg1 Antibody

Detection of Mouse Reg1 by Western Blot

Detection of Mouse Reg1 by Western Blot

Reg family proteins stimulated PSCs activation contributing to fibrosis in chronic pancreatitis. (a) Immunofluorescence analysis of alpha-smooth muscle actin ( alpha SMA, an activated PSCs marker, red) in the pancreas sections of indicated genotypes at 2 weeks, and 4 weeks (n = 3–4 mice). Nuclei were counterstained by DAPI (blue). (b) The percentage of epithelial cells with alpha SMA positive signals. Results represent mean ± SEM (n = 3–4 mice). Statistical analysis was performed by one-way ANOVA with Tukey’s multiple comparison tests among four groups. **P < 0.01 (c) Cropped images of western blot gels of Amylase, alpha SMA, Desmin, Reg1, Reg2, Reg3b of the pancreas of indicated genotypes at 0.5 day after birth(P0.5), 1w and 4w, p44/42 MAPK (ERK 1/2) and Akt were used as the loading control (n = 3 mice). The samples derived from the same experiment and gels were processed in parallel. Images of the entire gels are presented in Supplementary Fig. 5–7. The right panel showed the respective densitometric quantification analysis of the relative intensity of alpha SMA. Densitometric quantification analysis of other proteins is presented in Supplementary Fig. 4.Results represent mean ± SEM (n = 3 mice). Statistical analysis was performed by one-way ANOVA with Tukey’s multiple comparison tests among four groups. ns: not significant; #P < 0.0001. Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/37500741), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse Reg1 by Western Blot

Detection of Mouse Reg1 by Western Blot

Reg family proteins stimulated PSCs activation contributing to fibrosis in chronic pancreatitis. (a) Immunofluorescence analysis of alpha-smooth muscle actin ( alpha SMA, an activated PSCs marker, red) in the pancreas sections of indicated genotypes at 2 weeks, and 4 weeks (n = 3–4 mice). Nuclei were counterstained by DAPI (blue). (b) The percentage of epithelial cells with alpha SMA positive signals. Results represent mean ± SEM (n = 3–4 mice). Statistical analysis was performed by one-way ANOVA with Tukey’s multiple comparison tests among four groups. **P < 0.01 (c) Cropped images of western blot gels of Amylase, alpha SMA, Desmin, Reg1, Reg2, Reg3b of the pancreas of indicated genotypes at 0.5 day after birth(P0.5), 1w and 4w, p44/42 MAPK (ERK 1/2) and Akt were used as the loading control (n = 3 mice). The samples derived from the same experiment and gels were processed in parallel. Images of the entire gels are presented in Supplementary Fig. 5–7. The right panel showed the respective densitometric quantification analysis of the relative intensity of alpha SMA. Densitometric quantification analysis of other proteins is presented in Supplementary Fig. 4.Results represent mean ± SEM (n = 3 mice). Statistical analysis was performed by one-way ANOVA with Tukey’s multiple comparison tests among four groups. ns: not significant; #P < 0.0001. Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/37500741), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse Reg1 by Western Blot

Detection of Mouse Reg1 by Western Blot

Reg deficiency led to the remission of chronic pancreatitis. (a) Representative pancreatic tissue section from mice of the indicated genotype at 8 weeks was stained with H&E or Azan (for collagen, dark blue) and Immunofluorescence staining of alpha-smooth muscle actin ( alpha SMA, an activated PSCs marker, red) (n = 5 mice). Scale bars: H&E, 50 μm; Azan, 100 μm (b) Pancreatic mRNA expression of proinflammatory cytokines interleukin 6(Il6), tumor necrosis factor a (Tnfa) and Il1b of indicated genotypes were assessed by qRT-PCR. The expression amounts of each gene were calculated relative to those of ribosomal protein S3 (Rps3) with the fold change to CP model_Reg+/+ mice. Mean ± SEM (n = 5 mice). Statistical analysis was performed by two-tailed unpaired Student t-test between two groups. *P < 0.05 (c) Cropped images of western blot gels of Amylase, alpha SMA and Reg1 of the pancreas of indicated genotypes at 8 weeks and Akt was used as the loading control (n = 5 mice). The samples derived from the same experiment and gels were processed in parallel. Images of the entire gels and respective densitometric quantification analysis of the relative intensity of protein are presented in Supplementary Fig. 4,8. Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/37500741), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse Reg1 by Western Blot

Detection of Mouse Reg1 by Western Blot

Reg deficiency led to the remission of chronic pancreatitis. (a) Representative pancreatic tissue section from mice of the indicated genotype at 8 weeks was stained with H&E or Azan (for collagen, dark blue) and Immunofluorescence staining of alpha-smooth muscle actin ( alpha SMA, an activated PSCs marker, red) (n = 5 mice). Scale bars: H&E, 50 μm; Azan, 100 μm (b) Pancreatic mRNA expression of proinflammatory cytokines interleukin 6(Il6), tumor necrosis factor a (Tnfa) and Il1b of indicated genotypes were assessed by qRT-PCR. The expression amounts of each gene were calculated relative to those of ribosomal protein S3 (Rps3) with the fold change to CP model_Reg+/+ mice. Mean ± SEM (n = 5 mice). Statistical analysis was performed by two-tailed unpaired Student t-test between two groups. *P < 0.05 (c) Cropped images of western blot gels of Amylase, alpha SMA and Reg1 of the pancreas of indicated genotypes at 8 weeks and Akt was used as the loading control (n = 5 mice). The samples derived from the same experiment and gels were processed in parallel. Images of the entire gels and respective densitometric quantification analysis of the relative intensity of protein are presented in Supplementary Fig. 4,8. Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/37500741), licensed under a CC-BY license. Not internally tested by R&D Systems.

Applications for Mouse Reg1 Antibody

Application
Recommended Usage

Western Blot

0.1 µg/mL
Sample: Recombinant Mouse Reg1

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.


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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.

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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Reg1

Reg1, also known as pancreatic thread protein (PTP), pancreatic stone protein (PSP) and lithostathine, is the founding member of the Reg family of proteins, which are secreted proteins with a C-type lectin domain. Reg1 is expressed during islet regeneration. Reg1 functions in an autocrine/paracrine fashion via a cell surface Reg receptor that mediates a growth signal for beta -cell regeneration (1).

References

  1. Okamoto, H. and S. Takasawa (2002) Diabetes 51:5462.

Long Name

Regenerating Islet-derived 1

Alternate Names

ICRF, Islet cells regeneration factor, Islet of Langerhans regenerating protein, lithostathine-1-alpha, Pancreatic stone protein, pancreatic stone protein, secretory, Pancreatic thread protein, protein-X, PSPregenerating islet-derived 1 alpha (pancreatic stone protein, pancreatic threadprotein), PSPS1REG-1-alpha, PSPSMGC12447, PTPP19, regenerating islet-derived 1 alpha, Regenerating islet-derived protein 1-alpha, Regenerating protein I alpha, REGlithostathine 1 alpha

Entrez Gene IDs

19692 (Mouse)

Gene Symbol

REG1

UniProt

Additional Reg1 Products

Product Documents for Mouse Reg1 Antibody

Certificate of Analysis

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Product Specific Notices for Mouse Reg1 Antibody

For research use only

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Citations for Mouse Reg1 Antibody

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