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Chemical Structure| 1229582-33-5 Chemical Structure| 1229582-33-5

Structure of URMC-099
CAS No.: 1229582-33-5

Chemical Structure| 1229582-33-5

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URMC-099 is an orally bioavailable, brain penetrant inhibitor of Mixed Lineage Kinase 3 (MLK3) with IC50 of 14 nM. It inhibits LPS-induced TNFα release in microglial cells, HIV-1 Tat-induced release of cytokines in human monocytes, and up-regulation of phospho-JNK in Tat-injected brains of mice.

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Product Details of URMC-099

CAS No. :1229582-33-5
Formula : C27H27N5
M.W : 421.54
SMILES Code : CN1CCN(CC2=CC=C(C3=CN=C(NC=C4C5=CC6=C(NC=C6)C=C5)C4=C3)C=C2)CC1
MDL No. :MFCD28168077
InChI Key :QKKIWEILHCXECO-UHFFFAOYSA-N
Pubchem ID :54764565

Safety of URMC-099

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Related Pathways of URMC-099

MAPK

Isoform Comparison

Biological Activity

Target
  • LRRK2

    LRRK2, IC50:11 nM

  • MLK1

    MLK1, IC50:19 nM

  • MLK3

    MLK3, IC50:14 nM

  • MLK2

    MLK2, IC50:42 nM

In Vitro:

Cell Line
Concentration Treated Time Description References
BEnd.3 cells 200 nM 1 hour To evaluate the preventive effect of URMC-099 on barrier integrity and inflammation in bEnd.3 monolayers. Results showed that URMC-099 pretreatment significantly reduced barrier damage and inflammatory responses induced by COVID-QDs or Spike protein. PMC10463222
Human monocyte-derived macrophages (MDMs) 400 ng/ml 1, 3, 5 days Evaluate the ability of URMC-099 to affect the anti-HIV activity of nanoformulated ARVs, results showed that URMC-099 co-administered with 1 μM nanoATV reduced virion production by 4-fold PMC5330738
BV-2 cells 100 nM 12 hours URMC-099 significantly reduced the phagocytic activity of Tat-activated BV-2 cells. PMC3682381
Human monocyte-derived macrophages 1 μM 14 days To evaluate the effect of URMC-099 on autophagy markers such as LC3B and p62, results showed that URMC-099 significantly increased autophagosome formation and drug retention in autophagosomes. PMC6219451
Human monocyte-derived macrophages (MDM) 10 ng/mL 16 hours To evaluate the effect of URMC-099 on HIV-1 infection, results showed URMC-099 enhanced the antiviral activity of nanoATV PMC4728028
Primary rat hippocampal neurons 100 nM 18 hours URMC-099 protected neuronal axons from destruction by Tat-activated microglia. PMC3682381
HEK293 cells 5 µM and 10 µM 24 hours To evaluate the effect of MLK3 overexpression on AP-1 activity, results showed that MLK3 overexpression significantly increased AP-1-mediated luciferase activity. PMC9501218
Mouse N9 microglia cells 0.20 μM (EC50) 24 hours To assess the inhibitory effect of URMC-099 on TNFα secretion in LPS-stimulated microglia, results showed URMC-099 significantly and dose-dependently decreased TNFα secretion PMC7253076
Bend.3 cells 300 nM 30 min pretreatment followed by 16 h stimulation To evaluate the inhibitory effect of URMC-099 on IL-1β-induced brain endothelial cell activation. Results showed URMC-099 pretreatment virtually abolished the IL-1β-induced increase in VCAM-1 immunoreactivity and reduced basal PECAM-1 immunoreactivity. PMC9175136
Murine microglia 100 nM 30 minutes URMC-099 inhibited phosphorylation of MKK3/MKK4 and p38/JNK in Aβ42-stimulated microglia, reduced the expression of pro-inflammatory cytokines IL-1β, IL-6, and TNF-α, and induced the expression of anti-inflammatory cytokines IL-4 and IL-13. PMC4940949
BV-2 cells 100 nM 30 minutes URMC-099 significantly reduced Tat-induced JNK phosphorylation but had minimal effect on p38 MAPK phosphorylation. PMC3682381
BV-2 cells 100 nM 4, 8, 12 hours URMC-099 significantly decreased the production of TNFα, IL-6, and MCP-1 but had no effect on IL-10 expression. PMC3682381
U-118 MG 3 μM 48 hours Evaluate the inhibitory effect of URMC-099 on glioblastoma cell proliferation, results showed that URMC-099 significantly inhibited cell proliferation PMC7789614
U-87 MG 3 μM 48 hours Evaluate the inhibitory effect of URMC-099 on glioblastoma cell proliferation, results showed that URMC-099 significantly inhibited cell proliferation PMC7789614
Huh7 cells 200 nM 48 hours URMC-099 enhanced ZIKV infection PMC6714800
HeLa cells 200 nM 48 hours URMC-099 enhanced ZIKV infection PMC6714800
SNB-19 cells 200 nM 48 hours URMC-099 significantly enhanced ZIKV infection in a dose-dependent manner PMC6714800
RAW264.7 cells 10 µM 5-60 minutes To evaluate the effect of LPS stimulation on inflammatory gene expression in RAW264.7 cells, results showed that LPS significantly increased the mRNA levels of COX-2 and CCL-12. PMC9501218
Human motor neurons 0.6 μM 72 hours To evaluate the neuroprotective effects of URMC-099 against ER-stress-mediated neurodegeneration, results showed URMC-099 restored survival to 90% at 0.6 μM PMC7253076
Primary human monocytes 100, 300, 1000 nM 8 hours Inhibition of HIV-1 Tat-induced cytokine release PMC4032177
Mouse microglial BV-2 cells 100, 300, 1000 nM 8 hours Inhibition of LPS-induced TNF-α release PMC4032177

In Vivo:

Species
Animal Model
Administration Dosage Frequency Description References
Mice BALB/cJ mice and humanized NSG mice Intraperitoneal injection 10 mg/kg Twice daily for 21 days Assess the effect of URMC-099 on autophagy induction and pharmacokinetics of nanoformulated ARVs in vivo, results showed URMC-099 treatment increased plasma DTG levels by 52.3-fold PMC5330738
Mice APP/PS1 double-transgenic mice Intraperitoneal injection 10 mg/kg Daily for 3 weeks URMC-099 inhibited MAPK3/4-mediated activation, attenuated β-amyloidosis, restored synaptic integrity and hippocampal neurogenesis PMC5935963
Mice Orthopedic surgery model Intraperitoneal injection 10 mg/kg Three injections, 12 hours apart, last injection one hour before surgery Prevent surgery-induced neuroinflammation and cognitive impairment PMC6816182
Mice HIV-1 Tat injection model Intraperitoneal injection 10 mg/kg Every 12 hours, total of 3 doses before Tat injection and 2 doses post injection Inhibition of HIV-1 Tat-induced JNK signaling pathway activation PMC4032177
Mice MLK3 knockout mice Intraperitoneal injection 10 mg/kg Twice daily for 14 days To evaluate the effect of MLK3 kinase inhibition on left ventricular function PMC8492323
APPSwDI/mNos2−/− AD mice Orthopedic surgery model (tibial fracture/fixation) Intraperitoneal injection 10 mg/kg Three doses at 12-hour intervals before surgery, with the last dose immediately prior to surgery. To evaluate the prophylactic effect of URMC-099 on hippocampal vascular vulnerability and synaptic damage following orthopedic surgery. Results showed URMC-099 prophylaxis reduced cerebrovascular VCAM-1 expression, prevented BBB breakdown and synapse loss, and inhibited microglial activation. PMC9175136
Mice HIV-1 Tat exposure model Intraperitoneal injection 10 mg/kg Every 12 hours throughout the experiment URMC-099 reduced Tat-induced inflammatory cytokine production, protected neuronal architecture, and altered the morphologic and ultrastructural response of microglia to HIV-1 Tat exposure. PMC3682381
NOD/SCID/IL2R γc−/− mice HIV-1-infected humanized mouse model Intraperitoneal injection 10 mg/kg Daily for three weeks To evaluate the antiviral effect of URMC-099 in combination with nanoATV/r, results showed combined treatment significantly reduced viral load and infected cell numbers PMC4728028
Balb/C nude mice Subcutaneous glioblastoma xenograft model Intraperitoneal injection 3 mg/kg Once daily for 7 days Evaluate the inhibitory effect of URMC-099 on glioblastoma xenograft growth, results showed that URMC-099 combined with AZD6482 significantly inhibited tumor growth PMC7789614
BALB/c mice ZIKV infection model Intracerebral injection 5 mg/kg Single dose, observed for 3 days URMC-099 significantly increased ZIKV E protein levels and viral RNA load in mouse brains PMC6714800
Mice Breast cancer model Intraperitoneal injection 7.5 mg/kg Once daily for 3 weeks Evaluate the effect of MLK3 inhibition on T cell activation and cytotoxicity, results showed increased CD8+ GZMB+ T cell population PMC7149389

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

2.37mL

0.47mL

0.24mL

11.86mL

2.37mL

1.19mL

23.72mL

4.74mL

2.37mL

Dissolving Methods
Please choose the appropriate dissolution scheme according to your animal administration guide.For the following dissolution schemes, clear stock solution should be prepared according to in vitro experiments, and then cosolvent should be added in turn:

in order to ensure the reliability of the experimental results, the clarified stock solution can be properly preserved according to the storage conditions; The working fluid for in vivo experiment is recommended to be prepared now and used on the same day;

The percentage shown in front of the following solvent refers to the volume ratio of the solvent in the final solution; If precipitation or precipitation occurs in the preparation process, it can be assisted by heating and/or ultrasound.
Protocol 1
Protocol 2

References

 

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