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  2. Anti-infection
  3. Bacterial Antibiotic
  4. Gamithromycin

Gamithromycin  (Synonyms: 加米霉素; ML-1709460)

目錄號(hào): HY-108365 純度: 99.92%
COA 產(chǎn)品使用指南

Gamithromycin 是一種可以抑制 MmmSC 菌株 B237 和 Tan8 生長(zhǎng)的抗菌劑，MIC 值分別為 0.00012 和 0.00006 μg/mL。

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Gamithromycin Chemical Structure

Gamithromycin Chemical Structure

CAS No. : 145435-72-9

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規(guī)格 價(jià)格 是否有貨 數(shù)量
Free Sample (0.1 - 0.2 mg)   Apply now  
10 mM * 1 mL in DMSO ￥997
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1 mg ￥371
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5 mg ￥800
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10 mg ￥1166
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25 mg ￥2192
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50 mg ￥3179
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100 mg ￥4610
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200 mg   詢價(jià)  
500 mg   詢價(jià)  

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Customer Review

  • 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

Gamithromycin is an antimicrobial agent which can inhibit the growth of MmmSC strains B237 and Tan8 with MICs of 0.00012 and 0.00006 μg/mL, respectively.

IC50 & Target

MIC: 0.00012 μg/mL (MmmSC strain B237), 0.00006μg/mL (MmmSC strain Tan8)[1]
體外研究
(In Vitro)

The MIC values in serum are significantly lower than those in artificial medium; at an initial inoculum size of 106 cfu/mL, these are 64-, 8- and 64-fold lower for gamithromycin, tylosin and tilmicosin, respectively, against MmmSC strain B237 in serum compare to artificial medium. A similar pattern emerges for Tan8. Heat-inactivation of serum results in an MIC for gamithromycin that is higher than in either non-treated serum or artificial medium[1].

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

The proportion of foals that recover without the need for a change in treatment is significantly (P<0.048) higher for foals treated with Gamithromycin (GAM) (38 of 40; 95%) or AZM-RIF (39 of 40; 98%) compare to control foals (32 of 41; 78%). The clinical scores, number of abscesses and the abscess scores after 1 and 2 weeks of treatment are significantly lower for foals treated with Gamithromycin (GAM) or AZM-RIF compare to control foals. The WBC count of foals treated with Gamithromycin (GAM) is significantly higher than that of foals treated with AZM-RIF on week 3 of treatment[2].

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

777.04

Formula

C40H76N2O12
CAS 號(hào)
性狀

固體

顏色

White to off-white

中文名稱

加米霉素
運(yùn)輸條件

Room temperature in continental US; may vary elsewhere.
儲(chǔ)存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
溶解性數(shù)據(jù)
細(xì)胞實(shí)驗(yàn)： 

DMSO 中的溶解度 : 100 mg/mL (128.69 mM; 超聲助溶; 吸濕的 DMSO 對(duì)產(chǎn)品的溶解度有顯著影響，請(qǐng)使用新開(kāi)封的 DMSO)

配制儲(chǔ)備液
濃度 溶劑體積 質(zhì)量 1 mg 5 mg 10 mg
1 mM 1.2869 mL 6.4347 mL 12.8694 mL
5 mM 0.2574 mL 1.2869 mL 2.5739 mL
查看完整儲(chǔ)備液配制表

* 請(qǐng)根據(jù)產(chǎn)品在不同溶劑中的溶解度選擇合適的溶劑配制儲(chǔ)備液；一旦配成溶液，請(qǐng)分裝保存，避免反復(fù)凍融造成的產(chǎn)品失效。
儲(chǔ)備液的保存方式和期限：-80°C, 2 years; -20°C, 1 year。-80°C儲(chǔ)存時(shí)，請(qǐng)?jiān)?年內(nèi)使用， -20°C儲(chǔ)存時(shí)，請(qǐng)?jiān)?年內(nèi)使用。

  • 摩爾計(jì)算器

  • 稀釋計(jì)算器

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

質(zhì)量
=
濃度
×
體積
×
分子量 *

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

This equation is commonly abbreviated as: C1V1 = C2V2

濃度 (start)

C1

×
體積 (start)

V1

=
濃度 (final)

C2

×
體積 (final)

V2

動(dòng)物實(shí)驗(yàn)：

請(qǐng)根據(jù)您的 實(shí)驗(yàn)動(dòng)物和給藥方式 選擇適當(dāng)?shù)娜芙夥桨浮?

以下溶解方案都請(qǐng)先按照 In Vitro 方式配制澄清的儲(chǔ)備液，再依次添加助溶劑：
——為保證實(shí)驗(yàn)結(jié)果的可靠性，澄清的儲(chǔ)備液可以根據(jù)儲(chǔ)存條件，適當(dāng)保存；體內(nèi)實(shí)驗(yàn)的工作液，建議您現(xiàn)用現(xiàn)配，當(dāng)天使用；
以下溶劑前顯示的百分比是指該溶劑在您配制終溶液中的體積占比；如在配制過(guò)程中出現(xiàn)沉淀、析出現(xiàn)象，可以通過(guò)加熱和/或超聲的方式助溶

  • 方案 一

    請(qǐng)依序添加每種溶劑： 10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.5 mg/mL (3.22 mM); 澄清溶液

    此方案可獲得 ≥ 2.5 mg/mL（飽和度未知）的澄清溶液。

    以 1 mL 工作液為例，取 100 μL 25.0 mg/mL 的澄清 DMSO 儲(chǔ)備液加到 400 μL PEG300 中，混合均勻；再向上述體系中加入 50 μL Tween-80，混合均勻；然后再繼續(xù)加入 450 μL 生理鹽水 定容至 1 mL。

    生理鹽水的配制：將 0.9 g 氯化鈉，溶解于 ddH?O 并定容至 100 mL，可以得到澄清透明的生理鹽水溶液。
  • 方案 二

    請(qǐng)依序添加每種溶劑： 10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: 2.5 mg/mL (3.22 mM); 懸濁液; 超聲助溶

    此方案可獲得 2.5 mg/mL的均勻懸濁液，懸濁液可用于口服和腹腔注射。

    以 1 mL 工作液為例，取 100 μL 25.0 mg/mL 的澄清 DMSO 儲(chǔ)備液加到 900 μL 20% 的 SBE-β-CD 生理鹽水水溶液 中，混合均勻。

    2 g SBE-β-CD（磺丁基醚 β-環(huán)糊精）粉末定容于 10 mL 的生理鹽水中，完全溶解至澄清透明。
動(dòng)物溶解方案計(jì)算器
請(qǐng)輸入動(dòng)物實(shí)驗(yàn)的基本信息：

給藥劑量

mg/kg

動(dòng)物的平均體重

g

每只動(dòng)物的給藥體積

μL

動(dòng)物數(shù)量

只
由于實(shí)驗(yàn)過(guò)程有損耗，建議您多配一只動(dòng)物的量
請(qǐng)輸入您的動(dòng)物體內(nèi)配方組成：
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
如果您的動(dòng)物是免疫缺陷鼠或者體弱鼠，建議 DMSO 中的在最后工作液體系中的占比盡量不超過(guò) 2%。
方案所需 助溶劑 包括：DMSO， ，均可在 MCE 網(wǎng)站選購(gòu)。 ，Tween 80，均可在 MCE 網(wǎng)站選購(gòu)。
計(jì)算結(jié)果
工作液所需濃度 : mg/mL
儲(chǔ)備液配制方法 : mg 藥物溶于 μL  DMSO（母液濃度為 mg/mL）。
您所需的儲(chǔ)備液濃度超過(guò)該產(chǎn)品的實(shí)測(cè)溶解度，以下方案僅供參考，如有需要，請(qǐng)與 MCE 中國(guó)技術(shù)支持聯(lián)系。
動(dòng)物實(shí)驗(yàn)體內(nèi)工作液的配制方法 : 取 μL DMSO 儲(chǔ)備液，加入 μL 。 μL ，混合均勻至澄清，再加 μL Tween 80，混合均勻至澄清，再加 μL 生理鹽水。
連續(xù)給藥周期超過(guò)半月以上，請(qǐng)謹(jǐn)慎選擇該方案。
請(qǐng)確保第一步儲(chǔ)備液溶解至澄清狀態(tài)，從左到右依次添加助溶劑。您可采用超聲加熱 （超聲清洗儀，建議頻次 20-40 kHz），渦旋吹打等方式輔助溶解。
純度 & 產(chǎn)品資料
參考文獻(xiàn)
Cell Assay
[1]

Minimum inhibitory concentrations (MICs) for gamithromycin, tylosin and tilmicosin against MmmSC strains B237 and Tan8 are determined using a macrodilution technique. Equal volumes of MmmSC culture in logarithmic phase are added to each antimicrobial dilution to give an inoculum size of 107 cfu/mL, i.e. the intending initial titre for subsequent time-kill assays, in a volume of 4 mL. Cultures are incubated for 24 h at 37°C. At 0 and 24 h time points, samples are removed and serially diluted 10-fold down to 10-5. Aliquots (10 μL) of each dilution are transferred to solid medium; after incubation at 37°C in a humidified atmosphere of 5% carbon dioxide in air for at least 4 days, colonies are counted from the dilution that yields between 30 and 300 colonies per plate. Counts are converted into cfu/mL and MIC is defined as the lowest concentration of antimicrobial that prevents an increase in cfu/mL over 24 h[1].

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

Foals with ultrasonographic evidence of pulmonary abscesses are randomly assigned in 3 treatment groups: (1)gamithromycin at a dose of 6.0 mg/kg body weight is administered in the semimembranosus/semitendinosus muscles once a week (GAM; n=40); (2) azithromycin at a dose of 10 mg/kg PO once daily in combination with rifampin at a dose of 10 mg/kg PO once daily (AZM-RIF; n=40); and (3) no antimicrobial treatment (controls; n=41). All the foals in each treatment group also receive acetylcysteine at a dose of 10 mg/kg PO a day to provide the same daily manipulation of the foals in each group[2].

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

Gamithromycin 相關(guān)分類

完整儲(chǔ)備液配制表

* 請(qǐng)根據(jù)產(chǎn)品在不同溶劑中的溶解度選擇合適的溶劑配制儲(chǔ)備液；一旦配成溶液，請(qǐng)分裝保存，避免反復(fù)凍融造成的產(chǎn)品失效。
儲(chǔ)備液的保存方式和期限：-80°C, 2 years; -20°C, 1 year。-80°C儲(chǔ)存時(shí)，請(qǐng)?jiān)?年內(nèi)使用， -20°C儲(chǔ)存時(shí)，請(qǐng)?jiān)?年內(nèi)使用。

可選溶劑 濃度 溶劑體積 質(zhì)量 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 1.2869 mL 6.4347 mL 12.8694 mL 32.1734 mL
5 mM 0.2574 mL 1.2869 mL 2.5739 mL 6.4347 mL
10 mM 0.1287 mL 0.6435 mL 1.2869 mL 3.2173 mL
15 mM 0.0858 mL 0.4290 mL 0.8580 mL 2.1449 mL
20 mM 0.0643 mL 0.3217 mL 0.6435 mL 1.6087 mL
25 mM 0.0515 mL 0.2574 mL 0.5148 mL 1.2869 mL
30 mM 0.0429 mL 0.2145 mL 0.4290 mL 1.0724 mL
40 mM 0.0322 mL 0.1609 mL 0.3217 mL 0.8043 mL
50 mM 0.0257 mL 0.1287 mL 0.2574 mL 0.6435 mL
60 mM 0.0214 mL 0.1072 mL 0.2145 mL 0.5362 mL
80 mM 0.0161 mL 0.0804 mL 0.1609 mL 0.4022 mL
100 mM 0.0129 mL 0.0643 mL 0.1287 mL 0.3217 mL
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：
Gamithromycin
目錄號(hào)：
HY-108365
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