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  4. LP17 TFA

LP17 TFA  (Synonyms: LQVTDSGLYRCVIYHPP TFA)

Cat. No.: HY-P3400A Pureza: 99.18%
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LP17 (LQVTDSGLYRCVIYHPP) TFA is a BBB-penetrable triggering receptor expressed on myeloid cells (TREM-1) inhibitory peptide. LP17 TFA substantially alleviates ischemia-induced infarction and neuronal injury. LP17 TFA can get access into brain and block TREM-1.

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LP17 TFA

LP17 TFA Estructura química

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Revisión del cliente

Based on 3 publication(s) in Google Scholar

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Descripciòn

LP17 (LQVTDSGLYRCVIYHPP) TFA is a BBB-penetrable triggering receptor expressed on myeloid cells (TREM-1) inhibitory peptide. LP17 TFA substantially alleviates ischemia-induced infarction and neuronal injury. LP17 TFA can get access into brain and block TREM-1[1].

IC50 & Target

TREM-1[1]

In Vitro

LP17 (1 or 10 μM; 24 h) TFA substantially decreases mRNA levels of pro-inflammatory cytokines and chemokines after reoxygenation and remarkably attenuates extracellular protein levels of IL-1β and IL-18 in a microglia oxygen-glucose deprivation (OGD) model[1].
LP17 (10 μM; 24 h) TFA interacts with microglial SYK[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

RT-PCR[1]

Cell Line: Primary microglia
Concentration: 1 or 10 μM
Incubation Time: 24 h
Result: Decreased mRNA levels of NLRP3, IL-1β, IL-18, IL-6, CD16, CD32, iNOS, MCP-1, CXCL-1, and CXCL-2 after reoxygenation.

Western Blot Analysis[1]

Cell Line: Primary microglia
Concentration: 10 μM
Incubation Time: 24 h
Result: Suppressed ischemia/reperfusion-induced increments in CARD9, p-p65 in CARD9/NF-κB signaling and NLRP3, ASC, cleaved caspase-1, mature IL-1β, and mature IL-18 in NLRP3/caspase-1 signaling in a microglia oxygen-glucose deprivation (OGD) model.
In Vivo

LP17 (0.5 or 1 mg/kg; intranasal; daily for 3 days) TFA alleviates ischemia-induced infarction and neuronal injury in mice[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Adult male C57BL/6J mice (20-25 g), mice cerebral ischemia/reperfusion (I/R) model induced by middle cerebral artery occlusion (MCAO)[1]
Dosage: 0.5 mg/kg or 1 mg/kg
Administration: Intranasal administration, once daily for 3 consecutive days after MCAO
Result: Abolished ischemia-induced TREM-1 elevation at 1 mg/kg.
Significantly reduced infarct volume by 27.3%, induced a markedly reduction in TUNEL positive cells and FJC positive neurons at 1 mg/kg.
Rescued neurological deficits and cognitive dysfunction of MCAO mice. Inhibited microglial M1 polarization and neutrophil infiltration.
Peso molecular

1961.24 (free base)

Fòrmula

C89H137N23O25S.xC2HF3O2

Appearance

Solid

Color

White to off-white

Sequence

Leu-Gln-Val-Thr-Asp-Ser-Gly-Leu-Tyr-Arg-Cys-Val-Ile-Tyr-His-Pro-Pro

Sequence Shortening

LQVTDSGLYRCVIYHPP

Envío

Room temperature in continental US; may vary elsewhere.

Almacenamiento

Sealed storage, away from moisture and light

Powder -80°C 2 years
-20°C 1 year

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

Solvente y solubilidad
In Vitro: 

H2O : 3.33 mg/mL (Need ultrasonic)

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This equation is commonly abbreviated as: C1V1 = C2V2

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In Vivo Dissolution Calculator
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The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only.If necessary, please contact MedChemExpress (MCE).
Pureza y Documentación

Purity: 99.18%

Referencias
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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Inquiry Information

Nombre del producto:
LP17 TFA
Cat. No.:
HY-P3400A
Cantidad:
MCE Japan Authorized Agent: