KYP-2047
Based on 1 publication(s) in Google Scholar
KYP-2047 is a potent and BBB-penetrating prolyl-oligopeptidase (POP) inhibitor, with an Ki value of 0.023 nM. KYP-2047 reduces glioblastoma proliferation through angiogenesis and apoptosis modulation.
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- 純度 : 99.94%
- CAS 番号: 796874-99-2
- 分子式: C20H25N3O2
- 分子量:339.43
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保管条件:Pure form -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
MedChemExpress(MCE)の使用を引用している文献 KYP-2047
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生物活性
製品説明
Cellular Effect
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| HEK293 | IC50 |
>10 μM
Compound: 17, KYP-2047
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Inhibition of mouse recombinant FAP expressed in HEK293 cells assessed as pNA release from Ala-Pro-p-nitroanilide pre-incubated with enzyme for 15 mins prior to substrate addition by fluorescence technique
Inhibition of mouse recombinant FAP expressed in HEK293 cells assessed as pNA release from Ala-Pro-p-nitroanilide pre-incubated with enzyme for 15 mins prior to substrate addition by fluorescence technique
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[PMID: 23121075] |
体外実験
KYP-2047 (0-100 μM) decreases U-87, U-138 and A-172 cell viability in a concentration-dependent manner[2].
KYP-2047 (0-100 μM) increases the pro-apoptotic protein Bax, p53 and caspase-3 expression whereas reduces Bcl-2 expression, and reduced significantly TGF-β expression[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
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Cell Line:U-87, U-138 and A-172 cell[2]
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Concentration:0.01 μM, 0.1 μM, 0.5 μM, 1 μM, 10 μM, 30 μM, 50 μM and 100 μM
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Incubation Time:24 h
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Result:Decreased U-87, U-138 and A-172 cell viability in a concentration-dependent manner.
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Cell Line:U-87 cell[2]
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Concentration:0, 50, 100 μM
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Incubation Time:24 h
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Result:Increased the pro-apoptotic protein Bax, p53 and cleaved-caspase-3 expression, reduced significantly Bcl2 expression, reduced Ang1 and Ang2 expression, and decreased Ki-67 expression.
体内実験
KYP-2047 (9 or 27 μmol/kg; IP; once, 1 or 3 h before decapitation; two daily doses for 10 days) increases neurotensin concentration in the hypothalamus[1].
KYP-2047 (0-5 mg/kg) significantly reduces tumor mass and neutrophil infiltration[2].
KYP-2047 (0-5 mg/kg) significantly reduces vascular endothelial-growth-factor (VEGF), CD34, angiopoietins (Ang) and endothelial-nitric-oxide synthase (eNOS) expression[2].
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 796874-99-2
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性状 Solid-Liquid Mixture
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分子量 339.43
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分子式 C20H25N3O2
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Color Colorless to light yellow
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SMILES
N#C[C@H]1N(C([C@H]2N(C(CCCC3=CC=CC=C3)=O)CCC2)=O)CCC1
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輸送条件
Room temperature in continental US; may vary elsewhere.
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保管条件
Pure form -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Publications (1)
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Journal Impact Factor
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Most Recent
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J Med Chem
Structure-Guided Optimization of 4-Chloro-Pyrazolopyridine Analogs for Covalent PREP Inhibition. [Abstract]2026 Jan 22;69(2):1303-1321. PMID: 41512187
溶剤 & 溶解度
体外:
DMSO : 100 mg/mL (294.61 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
濃度 (開始) × 体積 (開始) = 濃度 (終了) × 体積 (終了)
体内:
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: 2.5 mg/mL (7.37 mM); Clear solution; Need ultrasonic
This protocol yields a clear solution of 2.5 mg/mL.
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: 2.5 mg/mL (7.37 mM); Clear solution; Need ultrasonic
This protocol yields a clear solution of 2.5 mg/mL.
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
プロトコル
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Human pluripotent stem cell endothelial-cell differentiation
Human pluripotent stem cell endothelial differentiation is based on stepwise developmental patterning: early activation of WNT/GSK3β inhibition promotes mesodermal or vascular progenitor entry, followed by endothelial specification using VEGF-related signaling, BMP4, FGF2, Notch modulation, or cAMP depending on the published protocol. Endothelial differentiation is read out by acquisition of CD31, CD34, VE-cadherin/CD144, KDR/VEGFR2, vWF, Tie2, NOS3, acetylated LDL uptake, tube/network formation, barrier function, and in vivo vessel-forming capacity where tested.
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Apoptosis
Apoptosis, also called programmed cell death, is generally characterized by distinct morphological characteristics.
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TUNEL staining for apoptotic DNA fragmentation
TUNEL staining detects DNA strand breaks by using terminal deoxynucleotidyl transferase to add labeled nucleotides to exposed 3′-OH DNA termini, generating either microscopic staining in fixed cells or tissue sections, or fluorescence/cytometric signal in cell suspensions. TUNEL positivity reflects DNA fragmentation but should not be interpreted alone as definitive apoptosis, because TUNEL can also label necrotic, autolytic, mechanically damaged, or DNA-repair-associated DNA breaks.
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Vascular/Branching Fractal Analysis
Vascular/branching fractal analysis quantifies the geometric complexity of vessel trees or vascular networks from segmented 2D images, commonly by converting vessels into binary and/or skeletonized maps and estimating fractal dimension using box-counting or related approaches. Fractal dimension is interpreted as an image-derived readout of vascular branching complexity, space filling, or density, and has been applied to retinal photographs, fluorescein angiography, OCT angiography, capillary perfusion maps, and in vitro Matrigel angiogenesis networks. The assay readout is generated from vessel-positive pixels after image preprocessing, vessel segmentation, binarization, and optional skeletonization; reported outputs include fractal dimension, vessel density, branchpoint density, endpoint density, vessel length density, tortuosity, and generation-based branching metrics when VESGEN-style analysis is used. The biological interpretation is limited to quantitative vascular patterning and s
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Annexin V plus membrane-impermeant dye apoptosis staining
Annexin V-based apoptosis assays rely on the detection of phosphatidylserine (PS) externalization from the inner leaflet of the plasma membrane to the outer leaflet, an early biochemical hallmark of apoptosis. Fluorescently labeled Annexin V binds PS in a calcium-dependent manner, enabling identification of early apoptotic cells by flow cytometry or fluorescence microscopy. When combined with a membrane-impermeant DNA-binding dye (e. g. , propidium iodide), this approach allows discrimination between viable (Annexin V−/dye−), early apoptotic (Annexin V+/dye−), and late apoptotic or necrotic (Annexin V+/dye+) cell populations by assessing membrane integrity and PS exposure.
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Endothelial Tube Formation Assay
Endothelial tube formation assay evaluates the ability of endothelial cells to attach, migrate, align, and organize into capillary-like networks when cultured on gelled basement membrane extract or Matrigel; the readout is the morphology and quantity of tube-like networks, which reflects an in vitro endothelial morphogenesis step related to angiogenesis. Basement membrane extract/Matrigel provides laminin-rich extracellular matrix cues that support endothelial differentiation into capillary-like structures, but it can contain biologically active growth factors, so growth-factor-reduced matrix is preferred when testing defined angiogenic stimulators or inhibitors.
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Apoptosis Solutions
Apoptosis is a regulated, generally non-lytic cell-death pathway that removes unwanted, damaged, infected, or abnormal cells through coordinated morphological changes, caspase activation, DNA fragmentation, and membrane remodeling. The intrinsic apoptosis pathway is controlled mainly by mitochondrial outer membrane permeabilization, BCL-2 family proteins, cytochrome c release, apoptosome formation, caspase-9 activation, and downstream executioner caspase-3/7 activation. The extrinsic apoptosis pathway is initiated by death receptors such as Fas, TNFR, and TRAIL receptors, which recruit adaptor proteins and activate caspase-8 before engaging executioner caspases or mitochondrial amplification through BID cleavage. Apoptosis is linked to many phenotypes, including cancer cell killing, tissue homeostasis, immune regulation, neurodegeneration, infection response, and treatment-induced cytotoxicity; unresolved questions include how apoptosis interacts with necroptosis, pyroptosis, ferroptos
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Endothelial Cell Migration/Angiogenic Sprouting Assay
Endothelial cell migration and angiogenic sprouting assays are in vitro (and partially ex vivo-adapted) functional models that quantify the ability of endothelial cells to undergo coordinated migration, extracellular matrix invasion, and multicellular organization into capillary-like sprouts in response to pro-angiogenic stimuli such as VEGF, bFGF, or conditioned microenvironments. These assays are used to model early angiogenic events including tip-cell formation, directional migration, and lumen-like sprout extension, which collectively reflect angiogenic activation and vascular morphogenesis processes observed in vivo.
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Cell Viability Determination by MTT Colorimetric Assay
The following protocol uses the MTT colorimetric assay as a classic literature-established method for assessing cell viability/metabolic activity in cultured mammalian cells. MTT[3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] is reduced by metabolically active cells to a colored formazan product; the amount of formazan is quantified spectrophotometrically and provides an indirect measure of metabolically active viable cells. Importantly, MTT reduction reflects cellular oxidoreductase/metabolic activity rather than an absolute direct count of living cells, so changes in cellular metabolism can alter the signal independently of cell number.
純度とドキュメンテーション
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データシート (276 KB)
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SDS (393 KB)
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- Français - FR (393 KB)
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- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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取扱説明書 (2659 KB)
参考文献
[1]. Jalkanen AJ, et al. Beneficial effect of prolyl oligopeptidase inhibition on spatial memory in young but not in old scopolamine-treated rats. Basic Clin Pharmacol Toxicol. 2007 Feb;100(2):132-8. [Content Brief]
[2]. Scuderi SA, et al. KYP-2047, an Inhibitor of Prolyl-Oligopeptidase, Reduces GlioBlastoma Proliferation through Angiogenesis and Apoptosis Modulation. Cancers (Basel). 2021 Jul 9;13(14):3444. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 2.9461 mL | 14.7306 mL | 29.4612 mL | 73.6529 mL |
| 5 mM | 0.5892 mL | 2.9461 mL | 5.8922 mL | 14.7306 mL | |
| 10 mM | 0.2946 mL | 1.4731 mL | 2.9461 mL | 7.3653 mL | |
| 15 mM | 0.1964 mL | 0.9820 mL | 1.9641 mL | 4.9102 mL | |
| 20 mM | 0.1473 mL | 0.7365 mL | 1.4731 mL | 3.6826 mL | |
| 25 mM | 0.1178 mL | 0.5892 mL | 1.1784 mL | 2.9461 mL | |
| 30 mM | 0.0982 mL | 0.4910 mL | 0.9820 mL | 2.4551 mL | |
| 40 mM | 0.0737 mL | 0.3683 mL | 0.7365 mL | 1.8413 mL | |
| 50 mM | 0.0589 mL | 0.2946 mL | 0.5892 mL | 1.4731 mL | |
| 60 mM | 0.0491 mL | 0.2455 mL | 0.4910 mL | 1.2275 mL | |
| 80 mM | 0.0368 mL | 0.1841 mL | 0.3683 mL | 0.9207 mL | |
| 100 mM | 0.0295 mL | 0.1473 mL | 0.2946 mL | 0.7365 mL |