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  2. 多肽產(chǎn)品
  3. 多肽及其衍生物
  4. 激素肽與神經(jīng)肽
  5. Cerebellin

Cerebellin是廣泛分布于中樞神經(jīng)系統(tǒng)的神經(jīng)調(diào)節(jié)肽。

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Custom Peptide Synthesis

Cerebellin Chemical Structure

Cerebellin Chemical Structure

CAS No. : 94071-26-8

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  • 生物活性

  • 實(shí)驗(yàn)參考方法

  • 純度 & 產(chǎn)品資料

  • 參考文獻(xiàn)

生物活性

Cerebellin is a neuromodulatory peptide widely distributed in the central nervous system.

體外研究
(In Vitro)

Cerebellin concentration-dependently (from 1 to 100 nM) increases norepinephrine (but not epinephrine) and cyclic-AMP production by adrenomedullary tissue in vitro[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
體內(nèi)研究
(In Vivo)

Cerebellin potently stimulates norepinephrine release by rat adrenal medulla, acting through adenylate-cyclase/PKA-coupled receptors, and enhances adrenocortical steroid secretion in vivo (i.e. when the integrity of adrenal gland is preserved) through an indirect paracrine mechanism involving the release of medullary catecholamines[1]. Cerebellin reduces plasma insulin levels in rats after 1 and 2 h. Cerebellin decreases insulin secretion from isolated rat pancreatic islets at high (11 mM), but not at low (3.33 mM) glucose concentration. Cerebellin inhibits stimulated insulin secretion from clonal rat insulinoma (INS-1) cells, reduces forskolin-induced production of cAMP and intracellular calcium concentration[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
分子量

1632.78

Formula

C69H113N23O23
CAS 號(hào)
Sequence

Ser-Gly-Ser-Ala-Lys-Val-Ala-Phe-Ser-Ala-Ile-Arg-Ser-Thr-Asn-His
Sequence Shortening

SGSAKVAFSAIRSTNH
運(yùn)輸條件

Room temperature in continental US; may vary elsewhere.
儲(chǔ)存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
Solvent & Solubility
細(xì)胞實(shí)驗(yàn)： 

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.
純度 & 產(chǎn)品資料
參考文獻(xiàn)
Kinase Assay
[1]

Some adrenomedullary samples are incubated with 10 μM H89, U-73122 or calphostin-C alone or in the presence of 0.1 μM cerebellin. When cyclic-AMP production is assayed, 100 μM 3-isobutyl-1-methylxanthine is added to prevent cyclic-AMP metabolism by phosphodiesterases. Incubation is carried out for 60 min (aldosterone or corticosterone production), 30 min (catecholamine production) or 10 min (cyclic-AMP production) in a shaking bath at 37°C in an atmosphere of 95% air -5% CO2. At the end of the experiments, the incubation tubes are centrifuged at 4°C, and media are collected and kept frozen at -80°C[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[2]

Rats[2]

Adult female Wistar rats (180–190 g body weight, 8–12 weeks of age) are injected daily with 0.2 mL of 0.9% NaCl (s.c.) for 14 days. On day 15, animals receive s.c. injections of 0.2 mL of 0.9% NaCl (control groups), while experimental groups are treated with 0.5 or 1.5 nmol/100 g body weight Cerebellin0.5 or 1.5 nmol/100 g body weight Cerebellin. Rats are decapitated 60 or 120 min after injection. Blood is collected into ice-cold tubes containing EDTA (1 mg/mL) and analyzed for the concentration of glucose. Plasma is separated and stored at ?80 °C for the determination of the insulin and glucagon concentration[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
參考文獻(xiàn)

  • 摩爾計(jì)算器

  • 稀釋計(jì)算器

The molarity calculator equation

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

質(zhì)量   濃度   體積   分子量 *
= × ×

The dilution calculator equation

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

This equation is commonly abbreviated as: C1V1 = C2V2

濃度 (start) × 體積 (start) = 濃度 (final) × 體積 (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.

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產(chǎn)品名稱：
Cerebellin
目錄號(hào)：
HY-P1544
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