产品名称
Pancreatic Polypeptide Recombinant Rabbit Monoclonal Antibody [PSH0-84] - BSA and Azide free
抗体类型
Recombinant Rabbit monoclonal Antibody
免疫原
Recombinant protein within human PPY aa 30-95.
靶点分子量
Predicted band size: 10 kDa
阳性对照
Mouse pancreas tissue, rat pancreas tissue.
存放说明
Store at 2-8℃. Avoid freeze.
纯化方式
Protein A affinity purified.
功能
Pancreatic polypeptide (PP) is a polypeptide secreted by PP cells in the endocrine pancreas. It regulates pancreatic secretion activities, and also impacts liver glycogen storage and gastrointestinal secretion. Its secretion may be impacted by certain endocrine tumours. The PPY gene encodes an unusually short protein precursor. This precursor is cleaved to produce pancreatic polypeptide, pancreatic icosapeptide, and a 5- to 7- amino-acid oligopeptide. Pancreatic polypeptide regulates pancreatic secretion activities by both endocrine and exocrine tissues. It also affects hepatic glycogen levels and gastrointestinal secretions. Its secretion in humans is increased after a protein meal, fasting, exercise, and acute hypoglycaemia, and is decreased by somatostatin and intravenous glucose. Plasma pancreatic polypeptide has been shown to be reduced in conditions associated with increased food intake and elevated in anorexia nervosa. In addition, peripheral administration of polypeptide has been shown to decrease food intake in rodents. Pancreatic polypeptide inhibits pancreatic secretion of fluid, bicarbonate, and digestive enzymes. It also stimulates gastric acid secretion. It is the antagonist of cholecystokinin and opposes pancreatic secretion stimulated by cholecystokinin. It may stimulate the migrating motor complex, synergistic with motilin. On fasting, pancreatic polypeptide concentration is 80 pg/ml; after the meal, it rises up from 8 to 10 times more; glucose and fats also induce PP's level increase, but on parenteral introduction of those substances, the level of hormones doesn't change. The administration of atropine, the vagotomy, blocks pancreatic polypeptide secretion after meals. The excitation of the vagus nerve, the administration of gastrin, secretin or cholecystokinin induce PP secretion.
背景文献
1. Zhu W et al. Pancreatic polypeptide revisited: Potential therapeutic effects in obesity-diabetes. Peptides. 2023 Feb
2. Schaper SJ et al. Pancreatic Polypeptide but Not Other Members of the Neuropeptide Y Family Shows a Moderate Association With Perceived Anxiety in Obese Men. Front Hum Neurosci. 2020 Oct
别名
Pancreatic polypeptide antibody
Pancreatic polypeptide Y antibody
Pancreatic prohormone antibody
PNP antibody
PP antibody
PPY antibody
prepro-PP (prepropancreatic polypeptide) antibody
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Immunofluorescence analysis of frozen mouse pancreas tissue with Rabbit anti-Pancreatic Polypeptide antibody (HA750664) at 1/500 dilution.
The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for about 2 minutes in microwave oven. The tissues were blocked in 10% negative goat serum for 1 hour at room temperature, washed with PBS, and then probed with the primary antibody (HA750664, green) at 1/500 dilution overnight at 4 ℃, washed with PBS. Goat Anti-Rabbit IgG H&L (iFluor™ 488, HA1121) was used as the secondary antibody at 1/1,000 dilution. Nuclei were counterstained with DAPI (blue).
Insulin (EM80714, red) was stained at 1/500 dilution overnight at +4℃. Goat Anti-Mouse IgG H&L (iFluor™ 594, HA1126) was used as the secondary antibody at 1/1,000 dilution.
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Immunofluorescence analysis of frozen rat pancreas tissue with Rabbit anti-Pancreatic Polypeptide antibody (HA750664) at 1/500 dilution.
The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for about 2 minutes in microwave oven. The tissues were blocked in 10% negative goat serum for 1 hour at room temperature, washed with PBS, and then probed with the primary antibody (HA750664, green) at 1/500 dilution overnight at 4 ℃, washed with PBS. Goat Anti-Rabbit IgG H&L (iFluor™ 488, HA1121) was used as the secondary antibody at 1/1,000 dilution. Nuclei were counterstained with DAPI (blue).
Insulin (EM80714, red) was stained at 1/500 dilution overnight at +4℃. Goat Anti-Mouse IgG H&L (iFluor™ 594, HA1126) was used as the secondary antibody at 1/1,000 dilution.
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Immunofluorescence analysis of frozen mouse pancreas tissue with Rabbit anti-Pancreatic Polypeptide antibody (HA750664) at 1/500 dilution.
The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for about 2 minutes in microwave oven. The tissues were blocked in 10% negative goat serum for 1 hour at room temperature, washed with PBS, and then probed with the primary antibody (HA750664, green) at 1/500 dilution overnight at 4 ℃, washed with PBS. Goat Anti-Rabbit IgG H&L (iFluor™ 488, HA1121) was used as the secondary antibody at 1/1,000 dilution. Nuclei were counterstained with DAPI (blue).
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☑ Relative expression (RE)
Immunofluorescence analysis of frozen mouse liver tissue (negative) with Rabbit anti-Pancreatic Polypeptide antibody (HA750664) at 1/500 dilution.
The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for about 2 minutes in microwave oven. The tissues were blocked in 10% negative goat serum for 1 hour at room temperature, washed with PBS, and then probed with the primary antibody (HA750664, green) at 1/500 dilution overnight at 4 ℃, washed with PBS. Goat Anti-Rabbit IgG H&L (iFluor™ 488, HA1121) was used as the secondary antibody at 1/1,000 dilution. Nuclei were counterstained with DAPI (blue).
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Immunohistochemical analysis of paraffin-embedded mouse pancreas tissue with Rabbit anti-Pancreatic Polypeptide antibody (HA750664) at 1/1,000 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA750664) at 1/1,000 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
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Immunohistochemical analysis of paraffin-embedded rat pancreas tissue with Rabbit anti-Pancreatic Polypeptide antibody (HA750664) at 1/1,000 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA750664) at 1/1,000 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
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Application: Immunofluorescence (IF-tissue)
Species: Mouse
Tissue: pancreas
Sample: Paraffin-embedded section
Antigen retrieval: Heat-mediated, Tris-EDTA buffer (pH 9.0), 20 minutes at 95℃.
Wash buffer: 1× PBS
Endogenous peroxidase blocking: 3% H₂O₂, 10 minutes.
Blocking: 1% BSA + 10% normal goat serum, 10 minutes at room temperature.
Primary antibody: HA750664, 1/500, overnight at 4℃.
Secondary antibody: Goat Anti-Rabbit IgG (iFluor™ 488, HA1121), 1.5 hours at room temperature.
请注意: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"