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Galanin (porcine)

* Please kindly note that our products are not to be used for therapeutic purposes and cannot be sold to patients.

Galanin (porcine) is an endogenous porcine galanin receptor agonist (pKi = 9.63, 9.49, 9.02, 8.98, 8.01 and 8.14 at hGAL1, rGAL1, hGAL2, rGAL2, hGAL3 and rGAL3, respectively). It causes an increase in food intake under free access conditions and also plays roles in learning and memory, anxiety and sexual behavior.

Category

Peptide Inhibitors

Catalog number

BAT-010730

CAS number

88813-36-9

Molecular Formula

C146H213N43O40

Molecular Weight

3210.55

Specification
Reference Reading

IUPAC Name

(3S)-3-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[(2-aminoacetyl)amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-hydroxybutanoyl]amino]-4-methylpentanoyl]amino]-4-oxobutanoyl]amino]-3-hydroxypropanoyl]amino]propanoyl]amino]acetyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]acetyl]pyrrolidine-2-carbonyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]propanoyl]amino]-3-methylpentanoyl]amino]-3-carboxypropanoyl]amino]-4-oxobutanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-5-carbamimidamidopentanoyl]amino]-3-hydroxypropanoyl]amino]-3-phenylpropanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-4-[[(2S)-6-amino-1-[[(2S)-1-[[2-[[(2S)-1-[[(2S)-1-amino-1-oxopropan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-2-oxoethyl]amino]-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]amino]-1-oxohexan-2-yl]amino]-4-oxobutanoic acid

Sequence

GWTLNSAGYLLGPHAIDNHRSFHDKYGLA

InChI

InChI=1S/C146H213N43O40/c1-15-75(10)119(187-123(207)78(13)167-129(213)101(51-84-60-154-68-162-84)182-143(227)110-31-24-42-189(110)116(200)65-161-124(208)93(43-71(2)3)173-130(214)95(45-73(6)7)174-132(216)98(49-82-34-38-88(194)39-35-82)170-114(198)63-159-122(206)77(12)166-141(225)108(66-190)186-137(221)105(55-112(150)196)179-131(215)96(46-74(8)9)183-145(229)120(79(14)192)188-140(224)100(168-113(197)58-148)50-83-59-158-90-28-20-19-27-89(83)90)144(228)184-107(57-118(203)204)139(223)180-104(54-111(149)195)136(220)178-102(52-85-61-155-69-163-85)134(218)172-92(30-23-41-157-146(152)153)127(211)185-109(67-191)142(226)176-99(47-80-25-17-16-18-26-80)133(217)177-103(53-86-62-156-70-164-86)135(219)181-106(56-117(201)202)138(222)171-91(29-21-22-40-147)126(210)175-97(48-81-32-36-87(193)37-33-81)125(209)160-64-115(199)169-94(44-72(4)5)128(212)165-76(11)121(151)205/h16-20,25-28,32-39,59-62,68-79,91-110,119-120,158,190-194H,15,21-24,29-31,40-58,63-67,147-148H2,1-14H3,(H2,149,195)(H2,150,196)(H2,151,205)(H,154,162)(H,155,163)(H,156,164)(H,159,206)(H,160,209)(H,161,208)(H,165,212)(H,166,225)(H,167,213)(H,168,197)(H,169,199)(H,170,198)(H,171,222)(H,172,218)(H,173,214)(H,174,216)(H,175,210)(H,176,226)(H,177,217)(H,178,220)(H,179,215)(H,180,223)(H,181,219)(H,182,227)(H,183,229)(H,184,228)(H,185,211)(H,186,221)(H,187,207)(H,188,224)(H,201,202)(H,203,204)(H4,152,153,157)/t75-,76-,77-,78-,79+,91-,92-,93-,94-,95-,96-,97-,98-,99-,100-,101-,102-,103-,104-,105-,106-,107-,108-,109-,110-,119-,120-/m0/s1

InChI Key

SLZIZIJTGAYEKK-CIJSCKBQSA-N

Canonical SMILES

CCC(C)C(C(=O)NC(CC(=O)O)C(=O)NC(CC(=O)N)C(=O)NC(CC1=CN=CN1)C(=O)NC(CCCNC(=N)N)C(=O)NC(CO)C(=O)NC(CC2=CC=CC=C2)C(=O)NC(CC3=CN=CN3)C(=O)NC(CC(=O)O)C(=O)NC(CCCCN)C(=O)NC(CC4=CC=C(C=C4)O)C(=O)NCC(=O)NC(CC(C)C)C(=O)NC(C)C(=O)N)NC(=O)C(C)NC(=O)C(CC5=CN=CN5)NC(=O)C6CCCN6C(=O)CNC(=O)C(CC(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC7=CC=C(C=C7)O)NC(=O)CNC(=O)C(C)NC(=O)C(CO)NC(=O)C(CC(=O)N)NC(=O)C(CC(C)C)NC(=O)C(C(C)O)NC(=O)C(CC8=CNC9=CC=CC=C98)NC(=O)CN

1.The Influence of Prolonged Acetylsalicylic Acid Supplementation-Induced Gastritis on the Neurochemistry of the Sympathetic Neurons Supplying Prepyloric Region of the Porcine Stomach.

Palus K1, Całka J1. PLoS One. 2015 Nov 25;10(11):e0143661. doi: 10.1371/journal.pone.0143661. eCollection 2015.

This experiment was designed to establish the localization and neurochemical phenotyping of sympathetic neurons supplying prepyloric area of the porcine stomach in a physiological state and during acetylsalicylic acid (ASA) induced gastritis. In order to localize the sympathetic perikarya the stomachs of both control and acetylsalicylic acid treated (ASA group) animals were injected with neuronal retrograde tracer Fast Blue (FB). Seven days post FB injection, animals were divided into a control and ASA supplementation group. The ASA group was given 100 mg/kg of b.w. ASA orally for 21 days. On the 28th day all pigs were euthanized with gradual overdose of anesthetic. Then fourteen-micrometer-thick cryostat sections were processed for routine double-labeling immunofluorescence, using primary antisera directed towards tyrosine hydroxylase (TH), dopamine β-hydroxylase (DβH), neuropeptide Y (NPY), galanin (GAL), neuronal nitric oxide synthase (nNOS), leu 5-enkephalin (LENK), cocaine- and amphetamine- regulated transcript peptide (CART), calcitonin gene-related peptide (CGRP), substance P (SP) and vasoactive intestinal peptide (VIP).

2.Localization and chemical coding of the dorsal motor vagal nucleus (DMX) neurons projecting to the porcine stomach prepyloric area in the physiological state and after stomach partial resection.

Gańko M1, Całka J. J Mol Neurosci. 2014 Jan;52(1):90-100. doi: 10.1007/s12031-013-0102-9. Epub 2013 Sep 10.

The aim of our study was to localize and define immunocytochemical characteristic of the dorsal motor nucleus of the vagus (DMX) neurons projecting to the porcine stomach prepyloric region in the physiological state and after gastric partial resection. To identify the stomach-projecting perikarya, the neuronal retrograde tracer--Fast Blue (FB) was injected into the studied region of control and resection group (RES). In the RES group, on 22nd day after FB injection, the partial resection of the stomach region previously injected with FB was performed. Sections were immunostained with ChAT, pituitary adenylate cyclase-activating peptide (PACAP), vasoactive intestinal polypeptide (VIP), nitric oxide synthase (NOS), galanin (GAL), substance P (SP), leu-enkephalin (LENK), and cocaine- and amphetamine-regulated transcript (CART). In the DMX of control and RES group, the stomach-projecting perikarya were found in the entire extent of the nucleus bilaterally.

3.The influence of intravesical administration of resiniferatoxin (RTX) on the chemical coding of sympathetic chain ganglia (SChG) neurons supplying the porcine urinary bladder.

Lepiarczyk E1, Majewski M2, Bossowska A2. Histochem Cell Biol. 2015 Nov;144(5):479-89. doi: 10.1007/s00418-015-1355-x. Epub 2015 Jul 21.

Resiniferatoxin (RTX) is used as an experimental drug in therapy of neurogenic urinary bladder disorders. The present study investigated the chemical coding of sympathetic chain ganglia (SChG) neurons supplying porcine urinary bladder after intravesical RTX instillation. The SChG neurons were visualized with retrograde tracing method and their chemical profile was disclosed with double-labeling immunohistochemistry using antibodies against dopamine β-hydroxylase (DβH; marker of noradrenergic neurons), neuropeptide Y (NPY), vasoactive intestinal polypeptide (VIP), somatostatin (SOM), galanin, Leu(5)-enkephalin and neuronal nitric oxide synthase (nNOS). It was found that in both the control (n = 5) and RTX-treated pigs (n = 5), the vast majority (90.4 ± 2.8 and 89.7 ± 2.3%, respectively) of FB-positive (FB+) nerve cells were DβH+. RTX instillation caused a decrease in the number of FB+/DβH+ neurons immunopositive to NPY (71.1 ± 12.1 vs 43.

4.[Galanin-like peptide (GALP): localization, receptors and biological function].

Wodowska J1, Ciosek J1. Postepy Hig Med Dosw (Online). 2015 Sep 20;69:1067-76.

Galanin-like peptide (GALP) was isolated from porcine hypothalamus in 1999 on the basis of its ability to activate galanin receptors in vitro. Extensive studies carried out since the discovery of GALP contributed to the significant progress in our knowledge regarding this neuropeptide. GALP is synthesized mainly in the neurons of the hypothalamic arcuate nucleus and in the pituicytes of the posterior pituitary. The effects of GALP are mediated by well-characterized G-protein coupled galanin receptor subtypes. The fact that GALP shares homology only with 13 amino acids of the galanin sequence suggests that it might also interact with its own specific receptor. This relatively small 60-amino acid peptide belongs to a growing list of neuropeptides that play a crucial role in the regulation of food intake, energy balance and the reproductive axis. This peptide appears to be involved in integrating energy balance control and reproduction. The paper presents the current state of knowledge about the biosynthesis, structure, localization of GALP and its receptors, with particular emphasis on its role.