| 规格 | 价格 | 库存 | 数量 |
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| 50mg |
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| 100mg |
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| 250mg |
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| 500mg |
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| 1g |
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| 10g |
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| Other Sizes |
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| 靶点 |
Progesterone Receptor (PR): Altrenogest acts as a synthetic progestin by binding to equine PR to regulate luteal function and pregnancy maintenance [1][2]
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| 体外研究 (In Vitro) |
孕激素丙烯孕酮(Allyltrenbolone)与兽用类固醇群勃龙具有结构相似性。当接受胚胎的母马接受 Altrenogest(烯丙群勃龙)治疗时,成功胚胎移植所需的供体-受体同步程度似乎会延长[1]。在控制发情行为以及发情和排卵之间的持续时间方面,Altrenogest(烯丙群勃龙)的凝胶和油形式同样有效。在发情间期后期开始使用丙烯孕酮(Allyltrenbolone)治疗似乎会增加治疗期间排卵的可能性。当治疗期间发生排卵和黄体溶解时,随后的黄体期通常会延长,因为 CL 不会消退[2]。
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| 体内研究 (In Vivo) |
1. 未同步马胚胎受体的妊娠维持([1]):
选用40匹未同步马胚胎受体(3–8岁,未妊娠,生殖系统健康),随机分为烯丙孕素组(n=20)和对照组(n=20,不给药)。烯丙孕素以0.044 mg/kg/天口服给药,从胚胎移植(ET)前7天开始,持续至移植后30天。烯丙孕素组妊娠维持率为65%(13/20),显著高于对照组的30%(6/20)。通过经直肠超声(ET后14天,检测胚泡)和经直肠触诊(ET后30天,确认胎儿发育)诊断妊娠。烯丙孕素组治疗期间血清孕酮水平维持在>5 ng/mL,而对照组在ET后21天孕酮水平降至<2 ng/mL [1] 2. 母马排卵后黄体期延长([2]): 12匹健康周期母马(4–6岁,发情周期21–23天)口服烯丙孕素0.044 mg/kg/天,连续15天(从发情周期第5天开始,第0天为排卵日);另设10匹对照母马(不给药)。停药后母马在7–10天内排卵,烯丙孕素组排卵后黄体期(血清孕酮>5 ng/mL的时期)持续28±3天,显著长于对照组的正常黄体期(14±2天)。通过放射免疫法(RIA)检测血清孕酮,烯丙孕素组峰值达12±2 ng/mL,对照组为8±1 ng/mL [2] |
| 动物实验 |
1. Equine Embryo Recipient Pregnancy Maintenance Protocol ([1]):
- Animal Selection: 40 unsynchronized mares (3–8 years old, non-pregnant, healthy reproductive tract) randomized to Altrenogest group (n=20) and control group (n=20). - Drug Preparation: Altrenogest was dissolved in corn oil to a concentration of 0.22 mg/mL (to deliver 0.044 mg/kg/day for a 500 kg mare: 100 mL/day). - Administration: Oral gavage once daily, starting 7 days before embryo transfer (ET) and continuing for 30 days post-ET; control group received corn oil only. - Detection: 1. Pregnancy Diagnosis: Transrectal ultrasonography on day 14 post-ET (to detect embryonic vesicles) and transrectal palpation on day 30 post-ET (to confirm fetal development). 2. Progesterone Monitoring: Serum collected weekly, progesterone levels measured via radioimmunoassay (RIA) [1] 2. Equine Luteal Phase Regulation Protocol ([2]): - Animal Selection: 12 healthy cyclic mares (4–6 years old, normal estrous cycle length: 21–23 days) and 10 control mares (no Altrenogest). - Drug Preparation: Altrenogest dissolved in corn oil to 0.22 mg/mL (same as [1]). - Administration: Oral gavage once daily for 15 consecutive days, starting on day 5 of the estrous cycle (day 0 = ovulation); control mares received corn oil. - Detection: 1. Ovulation Monitoring: Transrectal ultrasonography daily after drug withdrawal to detect ovulation (follicle rupture). 2. Luteal Phase & Progesterone: Serum collected every 3 days after ovulation; progesterone levels measured via RIA, luteal phase length defined as days with progesterone >5 ng/mL [2] |
| 参考文献 |
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| 其他信息 |
Altrenogest is a 3-hydroxy steroid.
Altrenogest, also known as allyltrenbolone, is a steroidal progestin that is widely used in veterinary medicine to suppress estrus in animals. 1. Drug Background ([1][2]): Altrenogest is a synthetic progestin specifically used in equine reproductive management. It mimics the action of endogenous progesterone to regulate the estrous cycle and maintain pregnancy [1][2] 2. Mechanism of Action ([1][2]): Altrenogest binds to equine progesterone receptors (PR) in the uterus and ovaries, suppressing luteolysis (corpus luteum regression) and maintaining elevated serum progesterone levels. This supports embryo implantation and fetal development (for pregnancy maintenance) and prolongs the luteal phase after ovulation [1][2] 3. Therapeutic Use ([1][2]): - Primary indication: Improvement of pregnancy success rate in unsynchronized equine embryo recipients [1] - Secondary use: Regulation of equine estrous cycles (prolonging luteal phase to control ovulation timing) [2] |
| 分子式 |
C21H26O2
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|---|---|---|
| 分子量 |
310.43
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| 精确质量 |
310.193
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| CAS号 |
850-52-2
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| 相关CAS号 |
Altrenogest-d5
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| PubChem CID |
10041070
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| 外观&性状 |
Light yellow to yellow solid powder
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| 密度 |
1.1±0.1 g/cm3
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| 沸点 |
495.6±45.0 °C at 760 mmHg
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| 熔点 |
120ºC
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| 闪点 |
210.1±21.3 °C
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| 蒸汽压 |
0.0±2.9 mmHg at 25°C
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| 折射率 |
1.594
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| LogP |
3.49
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| tPSA |
37.3
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| 氢键供体(HBD)数目 |
1
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| 氢键受体(HBA)数目 |
2
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| 可旋转键数目(RBC) |
2
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| 重原子数目 |
23
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| 分子复杂度/Complexity |
665
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| 定义原子立体中心数目 |
4
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| SMILES |
C[C@]12C=CC3=C4CCC(=O)C=C4CC[C@H]3[C@@H]1CC[C@]2(CC=C)O
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| InChi Key |
VWAUPFMBXBWEQY-ANULTFPQSA-N
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| InChi Code |
InChI=1S/C21H26O2/c1-3-10-21(23)12-9-19-18-6-4-14-13-15(22)5-7-16(14)17(18)8-11-20(19,21)2/h3,8,11,13,18-19,23H,1,4-7,9-10,12H2,2H3/t18-,19+,20+,21+/m1/s1
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| 化学名 |
(8S,13S,14S,17R)-17-allyl-17-hydroxy-13-methyl-1,2,6,7,8,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one
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| 别名 |
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| HS Tariff Code |
2934.99.9001
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| 存储方式 |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
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| 运输条件 |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| 溶解度 (体外实验) |
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| 溶解度 (体内实验) |
配方 1 中的溶解度: ≥ 3 mg/mL (9.66 mM) (饱和度未知) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (这些助溶剂从左到右依次添加,逐一添加), 澄清溶液。
例如,若需制备1 mL的工作液,可将100 μL 30.0 mg/mL 澄清的 DMSO 储备液加入到400 μL PEG300中,混匀;再向上述溶液中加入50 μL Tween-80,混匀;然后加入450 μL 生理盐水定容至1 mL。 *生理盐水的制备:将 0.9 g 氯化钠溶解在 100 mL ddH₂O中,得到澄清溶液。 配方 2 中的溶解度: ≥ 3 mg/mL (9.66 mM) (饱和度未知) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (这些助溶剂从左到右依次添加,逐一添加), 澄清溶液。 例如,若需制备1 mL的工作液,可将 100 μL 30.0 mg/mL澄清DMSO储备液加入900 μL 20% SBE-β-CD生理盐水溶液中,混匀。 *20% SBE-β-CD 生理盐水溶液的制备(4°C,1 周):将 2 g SBE-β-CD 溶解于 10 mL 生理盐水中,得到澄清溶液。 View More
配方 3 中的溶解度: ≥ 3 mg/mL (9.66 mM) (饱和度未知) in 10% DMSO + 90% Corn Oil (这些助溶剂从左到右依次添加,逐一添加), 澄清溶液。 1、请先配制澄清的储备液(如:用DMSO配置50 或 100 mg/mL母液(储备液)); 2、取适量母液,按从左到右的顺序依次添加助溶剂,澄清后再加入下一助溶剂。以 下列配方为例说明 (注意此配方只用于说明,并不一定代表此产品 的实际溶解配方): 10% DMSO → 40% PEG300 → 5% Tween-80 → 45% ddH2O (或 saline); 假设最终工作液的体积为 1 mL, 浓度为5 mg/mL: 取 100 μL 50 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中,混合均匀/澄清;向上述体系中加入50 μL Tween-80,混合均匀/澄清;然后继续加入450 μL ddH2O (或 saline)定容至 1 mL; 3、溶剂前显示的百分比是指该溶剂在最终溶液/工作液中的体积所占比例; 4、 如产品在配制过程中出现沉淀/析出,可通过加热(≤50℃)或超声的方式助溶; 5、为保证最佳实验结果,工作液请现配现用! 6、如不确定怎么将母液配置成体内动物实验的工作液,请查看说明书或联系我们; 7、 以上所有助溶剂都可在 Invivochem.cn网站购买。 |
| 制备储备液 | 1 mg | 5 mg | 10 mg | |
| 1 mM | 3.2213 mL | 16.1067 mL | 32.2134 mL | |
| 5 mM | 0.6443 mL | 3.2213 mL | 6.4427 mL | |
| 10 mM | 0.3221 mL | 1.6107 mL | 3.2213 mL |
1、根据实验需要选择合适的溶剂配制储备液 (母液):对于大多数产品,InvivoChem推荐用DMSO配置母液 (比如:5、10、20mM或者10、20、50 mg/mL浓度),个别水溶性高的产品可直接溶于水。产品在DMSO 、水或其他溶剂中的具体溶解度详见上”溶解度 (体外)”部分;
2、如果您找不到您想要的溶解度信息,或者很难将产品溶解在溶液中,请联系我们;
3、建议使用下列计算器进行相关计算(摩尔浓度计算器、稀释计算器、分子量计算器、重组计算器等);
4、母液配好之后,将其分装到常规用量,并储存在-20°C或-80°C,尽量减少反复冻融循环。
计算结果:
工作液浓度: mg/mL;
DMSO母液配制方法: mg 药物溶于 μL DMSO溶液(母液浓度 mg/mL)。如该浓度超过该批次药物DMSO溶解度,请首先与我们联系。
体内配方配制方法:取 μL DMSO母液,加入 μL PEG300,混匀澄清后加入μL Tween 80,混匀澄清后加入 μL ddH2O,混匀澄清。
(1) 请确保溶液澄清之后,再加入下一种溶剂 (助溶剂) 。可利用涡旋、超声或水浴加热等方法助溶;
(2) 一定要按顺序加入溶剂 (助溶剂) 。