Goralatide |CAS 127103-11-1|DC Chemicals

Cas No.:	127103-11-1
Chemical Name:	L-Proline,N-acetyl-L-seryl-D-a-aspartyl-L-lysyl- (9CI)
Synonyms:	L-Proline,N-acetyl-L-seryl-D-a-aspartyl-L-lysyl- (9CI);Ac-Ser-Asp-Lys-Pro-OH;1-[2-[[2-[(2-acetamido-3-hydroxypropanoyl)amino]-3-carboxypropanoyl]amino]-6-aminohexanoyl]pyrrolidine-2-carboxylic acid;ACSDKP;Thymosin β4 (1-4), Goralatide;SDKP;Ser-Asp-Lys-Pro;Acetyl-Ser-Asp-Lys-Pro;AC-SDKP;GORALATIDE;SERASPENIDE;Acetyl-SDKP;AC-SDKP-DELTA;Thymosin β4 (1-4);AC-SER-ASP-LYS-PRO;N-Ac-Ser-Asp-Lys-Pro-OH
SMILES:	CC(NC(C(NC(C(NC(C(N1CCCC1C(O)=O)=O)CCCCN)=O)CC(O)=O)=O)CO)=O
Formula:	C₂₀H₃₃N₅O₉
M.Wt:	487.50412
Purity:	>98%
Sotrage:	2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO

Description:	N-Acetyl-Ser-Asp-Lys-Pro is a natural and specific substrate for the N-terminal site of ACE.
In Vivo:	N-Acetyl-Ser-Asp-Lys-Pro prevents hypertension-induced inflammatory cell infiltration, collagen deposition, nephrin downregulation and albuminuria, which could lead to renoprotection in hypertensive mice[4].
In Vitro:	N-Acetyl-Ser-Asp-Lys-Pro is an endogenous tetrapeptide secreted by bone marrow and is ubiquitously found in plasma and various tissues. N-Acetyl-Ser-Asp-Lys-Pro is degraded specifically by ACE, and its plasma level rises substantially during ACE inhibitor therapy. N-Acetyl-Ser-Asp-Lys-Pro inhibits the proliferation of isolated cardiac fibroblasts but significantly stimulates the proliferation of vascular smooth muscle cells. Flow cytometry of rat cardiac fibroblasts treated with N-Acetyl-Ser-Asp-Lys-Pro shows significant inhibition of the progression of cells from G0/G1 phase to S phase of the cell cycle. In cardiac fibroblasts transfected with a Smad-sensitive luciferase reporter construct, N-Acetyl-Ser-Asp-Lys-Pro decreases luciferase activity by 55%. Moreover, phosphorylation and nuclear translocation of Smad2 is decreased in cardiac fibroblasts treated with N-Acetyl-Ser-Asp-Lys-Pro[1]. N-acetyl-seryl-aspartyl-lysyl-proline is a negative regulator of hematopoietic stem cell proliferation. N-acetyl-seryl-aspartyl-lysyl-proline is involved in the control of hematopoietic stem cell proliferation by preventing their recruitment into S-phase. N-acetyl-seryl-aspartyl-lysyl-proline appears to exert this function by blocking the action of a stem cell-specific proliferation stimulator and acts selectively on quiescent progenitors[2]. N-Acetyl-Ser-Asp-Lys-Pro inhibits collagenase expression and activation is associated with increased expression of TIMP-1 and TIMP-2. N-Acetyl-Ser-Asp-Lys-Pro does not alter collagenase or gelatinase activity in cardiac fibroblasts under basal conditions, but blunts the IL-1β-induced increase in total collagenase activity. Similarly, N-Acetyl-Ser-Asp-Lys-Pro normalizes the IL-1β-mediated increase in MMP-2 and MMP-9 activities and MMP-13 expression[3].
Kinase Assay:	The kinetics of N-Acetyl-Ser-Asp-Lys-Pro hydrolysis are determined by incubating enzymes (0.4 nM wild-type ACE, 0.3 nM ACE K959 963, and 9 nM ACE K361 365) with N-Acetyl-Ser-Asp-Lys-Pro over a concentration range of 0.35-40 μM, added to [3H]N-Acetyl-Ser-Asp-Lys-Pro (5 μCi). The reaction is stopped by freezing on dry ice, and samples are then analyzed[2].
Animal Administration:	Mice: 16-week-old C57BL/6J mice are treated with either placebo, DCOA (10 mg/10 g body weight subcutaneous) and 1% sodium chloride with 0.2% potassium chloride in drinking water (DOCA-salt) or DOCA-salt with Ac-SDKP (800 μg/kg per day) for 12 weeks. Bloof pressure, urine albumin, glomerular matrix, renal collagen content, monocyte/macrophage infiltration and glomerular nephrin expression are measured[4].
References:	[1]. Rousseau A, et al. The hemoregulatory peptide N-acetyl-Ser-Asp-Lys-Pro is a natural and specificsubstrate of the N-terminal active site of human angiotensin-converting enzyme. J Biol Chem. [2]. Pokharel S, et al. N-acetyl-Ser-Asp-Lys-Pro inhibits phosphorylation of Smad2 in cardiac fibroblasts. Hypertension. [3]. Rhaleb NE, et al. N-acetyl-Ser-Asp-Lys-Pro inhibits interleukin-1β-mediated matrix metalloproteinase activation in cardiac fibroblasts. Pflugers Arch. [4]. Rhaleb NE, et al. Renal protective effects of N-acetyl-Ser-Asp-Lys-Pro in deoxycorticosterone acetate-salt hypertensive mice. J Hypertens.

MSDS

Cat. No.	Product name	Field of application
DC12145	DLinDMA	DLinDMA is a key lipid component of stable nucleic acid lipid particles as a benchmark.
DC40169	DMG-PEG2000	DMG-PEG 2000 is used for the preparation of liposome for siRNA delivery with improved transfection efficiency in vitro. DMG-PEG 2000 is also used for the lipid nanoparticle for an oral plasmid DNA delivery approach in vivo through a facile surface modific
DC45611	DMPC	1,2-Dimyristoyl-sn-glycero-3-phosphocholine (DMPC) is a synthetic phospholipid used in liposomes. 1,2-Dimyristoyl-sn-glycero-3-phosphocholine is used for the study of lipid monolayers and bilayers.
DC70000	Lysyllysyllysine	Lysyllysyllysine is a cationic moietie that may be used in the construction of gene delivery vectors and DNA nanoparticles.
DC33580	DODMA	DODMA, also known as MBN 305A is a a cationic lipid containing the unsaturated long-chain (18:1) oleic acid inserted at both the sn-1 and sn-2 positions. It has been used in the composition of lipospomes formulated as stable nucleic acid lipid particles that can encapsulate siRNA or other small molecules to be used for drug delivery
DC33635	DODAP	DODAP, also known as 1,2-Dioleoyl-3-dimethylammonium-propane, is a cationic lipid. It has been used as a component in liposomes that can be used to encapsulate siRNA, immunostimulatory oligodeoxynucleotides, antisense oligonucleotides, or chemotherapeutic agents for in vitro and in vivo delivery.
DC59010	C14-4 (C14-494,Lipid B-4,Lipid B4)	C14-4 (C14-494,Lipid B-4,Lipid B4) is a novel ionizable lipid with the highest T-cell transfection efficiency and low cytotoxicity.The C14-4 ionizable lipid has been explored for CAR-T therapy.To screen the excellent formulations for mRNA delivery, a lipid library of 24 ionizable lipids was constructed to make iLNPs, which were used to deliver luciferase mRNA into Jurkat cells.[115] The optimal iLNPs formulation was C14-4 iLNPs (C14-4 ionizable lipid, DOPE, chol, and PEG at a molar ratio of 35%, 16%, 46.5%, and 2.5%) (Figure 6c). The optimal dose of luciferase mRNA for C14-4 iLNPs was 30 ng. Compared with electroporated CAR T cells, the CAR T cells engineered via C14-4 iLNPs showed potent cancer-killing activity when they were cocultured with Nalm-6 acute lymphoblastic leukemia cells. To obtain a safer and more effective CAR mRNA delivery vehicle, the orthogonal design provided 256 potential formulations, and 16 representative iLNPs formulations were evaluated.Through evaluating the safety, delivery efficiency, and transfection efficiency of 16 iLNPs, the formulation B10 (C14-4 ionizable lipid, DOPE, chol, PEG at a molar ratio of 40%, 30%, 25%, and 2.5%) was screened out as the optimal performing formulation. The luciferase expression based on B10 formulation was increased threefold than the initial formulation. Reducing the accumulation and clearance of iLNPs in the liver can increase the expression of CAR mRNA in T cells, further improving the therapeutic effect of CAR-T. Studies have shown that cholesterol analogs can alter the mechanisms of intracellular circulation and enhance the delivery of mRNA, which may be related to the reduced recognition of iLNPs by the Niemann Pick C1 (NPC1) enzyme.The addition of a hydroxyl group to various locations in the cholesterol molecule can alter the binding kinetics between the modified cholesterol and NPC1, and reduced NPC1 recognition of cholesterol. The results showed that replacement of 25% and 50% 7 α-hydroxycholesterol for cholesterol in iLNPs improved mRNA delivery to primary human T cells in vitro by 1.8-fold and twofold, respectively.C14-4 is one of the ionizable lipids to efficiently deliver mRNA to Jurkat cells or primary human T cells. It will effectively promote the development of mRNA delivery by iLNPs for CAR-T therapy.
DC33636	DOTAP	DOTAP, also known as 1,2-Dioleoyl-3-trimethylammoniumpropane, is a cationic liposome-forming compound used for transfection of DNA, RNA, and other negatively charged molecules into eukaryotic cells. It has been used in gene delivery vectors for gene ther
DC58047	DSPE-PEG 2000	PEG2000-DSPE is used for creating micelles that are able to carry drugs with low solubility.
DC31000	LP-01	LP-01 is an ionizable cationic amino lipid (pKa = ~6.1). It has been used in the generation of lipid nanoparticles (LNPs). LNPs containing LP-01 and encapsulating both Cas9 mRNA and modified single-guide RNA (sgRNA) for the transport protein transthyretin (Ttr) induce gene editing in liver cells in mice in a dose-dependent manner resulting in reduced serum Ttr levels for at least 12 months.