2. GPCR/G Protein
  3. Protease Activated Receptor (PAR)
  4. Parstatin(human) TFA

Parstatin(human) TFA, a cell-penetrating PAR-1 thrombin receptor agonist peptide, is a potent inhibitor of angiogenesis.

For research use only. We do not sell to patients.

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Parstatin(human) TFA Chemical Structure

Parstatin(human) TFA Chemical Structure

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Other Forms of Parstatin(human) TFA:

Parstatin(human) TFA Related Antibodies

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Description

Parstatin(human) TFA, a cell-penetrating PAR-1 thrombin receptor agonist peptide, is a potent inhibitor of angiogenesis[1][2].

In Vitro

Parstatin (0-10 µM) increases recovery of LVDP in a concentration-dependent manner. The optimal concentration was 1 µM which produced a 23% recovery of LVDP[2].

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

Parstatin(human) TFA Related Antibodies
In Vivo

Parstatin (single dose, 1-25 µg/kg, iv) administered prior to ischaemia confers immediate cardioprotection by recruiting the Gi-protein activation pathway including p38 MAPK, ERK1/2, NOS, and KATP channels. Parstatin exerts effects on both the cardiomyocytes and the coronary circulation to induce cardioprotection. This suggests a potential therapeutic role of parstatin in the treatment of cardiac injury resulting from ischaemia and reperfusion[1].

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

Animal Model: Male Sprague–Dawley rats at 8 weeks of age (250-300 g)[1].
Dosage: 1-25 µg/kg.
Administration: IV injected 15 min prior to ischaemia.
Result: A significant decrease in infarct size was detected with the 5-15 µg/kg doses with 10 µg/kg as the optimal dose. These hearts had an infarct size of 46 ± 3% of the area at risk, which is a 26% reduction in infarct size compared with the control.
Molecular Weight

4581.28

Formula

C193H331F3N64O55S3
Sequence Shortening

MGPRRLLLVAACFSLCGPLLSARTRARRPESKATNATLDPR
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.
Solvent & Solubility
In Vitro: 

H2O

Peptide Solubility and Storage Guidelines:

1.  Calculate the length of the peptide.

2.  Calculate the overall charge of the entire peptide according to the following table:

  Contents Assign value
Acidic amino acid Asp (D), Glu (E), and the C-terminal -COOH. -1
Basic amino acid Arg (R), Lys (K), His (H), and the N-terminal -NH2 +1
Neutral amino acid Gly (G), Ala (A), Leu (L), Ile (I), Val (V), Cys (C), Met (M), Thr (T), Ser (S), Phe (F), Tyr (Y), Trp (W), Pro (P), Asn (N), Gln (Q) 0

3.  Recommended solution:

Overall charge of peptide Details
Negative (<0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, add NH4OH (<50 μL).
3.  If the peptide still does not dissolve, add DMSO (50-100 μL) to solubilize the peptide.
Positive (>0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, try dissolving the peptide in a 10%-30% acetic acid solution.
3.  If the peptide still does not dissolve, try dissolving the peptide in a small amount of DMSO.
Zero (=0) 1.  Try to dissolve the peptide in organic solvent (acetonitrile, methanol, etc.) first.
2.  For very hydrophobic peptides, try dissolving the peptide in a small amount of DMSO, and then dilute the solution with water to the desired concentration.
Purity & Documentation
References
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Parstatin(human) TFA Related Classifications

  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass   Concentration   Volume   Molecular Weight *
= × ×

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2
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.

Keywords:

Parstatin(human)Protease Activated Receptor (PAR)Thrombin receptorsInhibitorinhibitorinhibit

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