Galantide
Galantide, a non-specific galanin receptor antagonist, is a peptide consisting of fragments of galanin and substance P. Galantide recognizes two classes of galanin binding sites (KD<0.1 nM and ~6 nM) in the rat hypothalamus. Galantide dose dependently (IC50=1.0 nM) antagonizes the galanin-mediated inhibition of the glucose-induced insulin secretion from mouse pancreatic islets. Galantide appears to bind to a single population of SP receptors (KD~40 nM).
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- CAS 番号: 138579-66-5
- 分子式: C104H151N25O26S
- 分子量:2199.53
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保管条件:
Sealed storage, away from moisture.
Powder -80°C, 2 years , -20°C, 1 year* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
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生物活性
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化学情報
- プロトコル
- 純度とドキュメンテーション
- 参考文献
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Help & FAQs
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Neuropeptide Y Receptor アイソフォーム固有の製品をすべて表示
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生物活性
製品説明
体外実験
Galantide do not activate the K+ conductance but produces a concentration-dependent antagonism (IC50=4 nM) of the galanin-induced increase in K+ conductance. Galantide acts like galanin and inhibits the voltage-dependent Ba2+ current (IBa). The inhibition of IBa also is concentration dependent (IC50=16 nM) and the maximum inhibition produced by galantide is approximately 40%[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
体内実験
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
化学情報
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CAS 番号 138579-66-5
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性状 Solid
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分子量 2199.53
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分子式 C104H151N25O26S
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Color White to off-white
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配列
Gly-Trp-Thr-Leu-Asn-Ser-Ala-Gly-Tyr-Leu-Leu-Gly-Pro-Gln-Gln-Phe-Phe-Gly-Leu-Met-NH2
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シーケンスの短縮
GWTLNSAGYLLGPQQFFGLM-NH2
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輸送条件
Room temperature in continental US; may vary elsewhere.
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保管条件
Sealed storage, away from moisture
Powder -80°C 2 years -20°C 1 year * In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
プロトコル
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Research Protocol for Endocrine Diseases
Endocrine diseases often arise from disrupted hormone production, hormone signaling, or target-tissue responsiveness; for diabetes-focused endocrine disease models, insulin signaling regulates glucose uptake, hepatic glucose output, lipid metabolism, and β-cell compensation. Type 2 diabetes develops through interacting defects in insulin resistance, β-cell dysfunction, adipose inflammation, hepatic glucose overproduction, altered incretin signaling, and ectopic lipid metabolism. A major unresolved question is whether endocrine dysfunction is driven primarily by target-tissue insulin resistance, intrinsic β-cell failure, immune/inflammatory stress, or combined multi-organ failure that differs by disease stage.
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Human Islet Cell Culture
The method of preserving islets in vitro, with purified reduced immunogenicity. The steps are islet isolation, islet cell purification, in vitro determination of islet function and islet cell culture.
純度とドキュメンテーション
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データシート (264 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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取扱説明書 (2659 KB)
参考文献
[1]. Langel U, et al. Design of chimeric peptide ligands to galanin receptors and substance P receptors. Int J Pept Protein Res. 1992;39(6):516-522. [Content Brief]
[2]. Lindskog S, et al. The novel high-affinity antagonist, galantide, blocks the galanin-mediated inhibition of glucose-induced insulin secretion. Eur J Pharmacol. 1992;210(2):183-188. [Content Brief]
[3]. Mulvaney JM, et al. Galantide distinguishes putative subtypes of galanin receptors in mudpuppy parasympathetic neurons. Eur J Pharmacol. 1995;287(1):97-100. [Content Brief]
Calculators
濃度 (開始) × 体積 (開始) = 濃度 (終了) × 体積 (終了)
Galantide 関連分類
HY-P0262 関連分類
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