harlan teklad官网动物饲料代理商
他莫昔芬饮食 harlan teklad官网动物饲料代理商 他莫昔芬饮食 Tamoxifen diets TD.130855
他莫昔芬激活Creer的饮食
有几篇文献引用了含有他莫昔芬的饮食对CRE模型在雌激素受体突变的控制下的应用。恩维戈特克乐饮食使各种含他莫昔芬的饮食定制,以满足您的研究需要。我们还制作了各种各样的含多西环素饮食对于被监管的系统。如果你有任何问题,请咨询营养师。
枸橼酸他莫昔芬和他莫昔芬
他莫昔芬作为他莫昔芬-蔗糖混合物添加到饮食中.鼓励用户使用库存供应。然而,泰克乐将继续与客户准备的混合。如果您选择此选项,请咨询营养师,以获得有关配制和发送混合物的更多信息。
鼓励用户从以下库存选项中进行选择,以便在几天内随时可供装运。
1假设体重20-25克,摄入量3-4克。
2枸橼酸他莫昔芬为66%他莫昔芬
3在欧洲称为TAM 400/Creer(TD.55125)
请为辐照饮食增加5-10天的准备时间;库存和定制产品至少需要3公斤订单。
这些饲料都有他莫昔芬与~5%蔗糖预混合,作为一种适口性增强剂;然而,饲料厌恶仍有可能发生。如果摄入是一个问题,请参阅下面的建议。
TeculadGlobal2016-这些例子中的基础饮食-仅仅是少数几种植物雌激素饮食中的一种。咨询营养学家关于其他基础饮食的使用。
- 最低订货量为3公斤,足以喂养20只小鼠一个月。
- 储存冷冻饮食,并计划在六个月内使用。
- 典型的准备时间为两周(如果经过辐照,则为四周)
- 辐照(可选)20 kGy的最低剂量(必须按顺序要求)
- 订购:请致电800.483.5523或在线启动订单
计划:
- 最初减少食物摄入量和减肥
- 日常观察动物的耐受性-咨询您的IACUC监测指标。
- 必要时进行干预
如果摄入似乎是一个问题:
- 通过进行他莫昔芬给药试验,确定低剂量对你的模型是否有效。
- 用含他莫昔芬颗粒与常规饲料颗粒混合逐渐驯服小鼠
- 把食物弄湿,然后放在笼子里的盘子里(需要每天更换)。
- 平日喂饲他莫昔芬饮食,周末有规律饮食。
- 每隔一周(三苯氧胺饮食两周,休息一周)进行更长时间的治疗
- 他莫昔芬是一种选择性雌激素受体调节剂(SERM),这意味着它可以抑制雌激素的作用或具有促进雌激素的作用。
- 人体治疗效果的一般剂量为20毫克/天。用于啮齿动物的他莫昔芬饮食通常含有~1至2毫克/粒。
- 当处理饮食时,可以使用典型的实验室预防措施,如实验室外套、手套和面罩,尽量减少接触他莫昔芬的事故。
- 您的化学品安全部门应联系,以获得更多的机构特定的指导方针,以处理和处置含有他莫昔芬的饮食。
- 治疗时间从一周到两周不等。1,2,5,6,7,8一至两个月3,4,8
- 纯他莫昔芬1,5,8和枸橼酸他莫昔芬1,2,3,4,6,7都是有效的
- 通常他莫昔芬剂量为每天40-80毫克/公斤体重。
- 纯他莫昔芬的典型包合物为250 mg。8或500毫克1,5枸橼酸他莫昔芬为每公斤400毫克。1,2,3,4,6,7
- 报告的初始重量损失为10%。1,2,4,7,8,与食物摄入量减少有关2
- 恢复正常饮食后体重的恢复可能会因基因失活而受损。2,7
- 安德森·KB,Winer LH,Mork HK,Molkentin JD,Jaisser F.2010。他莫昔芬诱导CRE介导的小鼠心脏基因断裂的给药途径和剂量。 转基因RES 19:715-725。
- 蒋介明,凌杰,郑永赫,价格DL,Aja SM,Wong PC.2010年。TDP-43的缺失下调了与肥胖相关的基因Tbc1d1,并改变了身体的脂肪代谢。 美国Acad Sci美国:16320-16324。
- Kardakaris R.,Gareus R.,Xandomlea S,Pasparakis M.2011。内皮和巨噬细胞特异性P38αMAPK缺乏不影响ApoE-/-小鼠动脉粥样硬化的发病机制。 PLOSOne 6:e21055。
- [2]Kiermayer C,Conrad M,Schneider M,Schmidt J,Brielmeier M.枸橼酸他莫昔芬口服对小鼠心脏时空基因灭活的优化。 创世纪45:11-16。
- Koitabashi N,Bedja D,Zaiman AL,Pinto Ym,Zhang M,Gabrielson KL,Takimoto E,Kass DA。2009年。心肌细胞靶向他莫昔芬诱导MerCreMer基因缺失模型中短暂性心肌病的避免。 中国保监会第105:12-15号决议
- Kratsios P,Catela C,Salimova E,Huth M,Berno V,Rosenthal N,Morkioti F.2009。细胞自主Notch信号在胚胎和成年心脏心肌细胞中的独特作用。 PCirc第106:559-572号决议。
- Miro-Murillo M,Elorza A,Soro-ArNaiz I,Albacete-Albacete L,Ordonz A,Balsa E,Vara-Vega A,Vazquez S,Fuertes E,Fernandez-Criado C,Landazuri MO,Aragones J.2011。急性VHL基因失活可诱导心脏HIF依赖的促红细胞生成素基因表达. PLOS One 6:E 22589。
- Welle S,Burgess K,Thornton CA,Tawil R.2009。成熟小鼠肌生长抑素耗竭程度与肌肉生长的关系。 李玉玲.医学杂志.1997(4):E 935-40.
Tamoxifen diets
Diets with tamoxifen activate CreER
Several references cite use of tamoxifen-containing diets for models with Cre under the control of a mutated estrogen receptor. Envigo Teklad diets makes a variety of tamoxifen-containing diets customized to meet your research needs. We also make a variety of doxycycline-containing diets for tet regulated systems. If you have any questions, don’t hesitate to consult a nutritionist.
Teklad stocks tamoxifen and tamoxifen citrate
Tamoxifen is added to the diet as a tamoxifen-sucrose mixture. Users are encouraged to use the stocked supply. However, Teklad will continue to work with customer prepared mixes. If you choose this option, please consult a nutritionist for additional information about preparing and sending the mixture.
Users are encouraged to select from the stocked options below supply readily available to ship within days.
1 Assumes 20-25 g body weight and three-four g intake
2 Tamoxifen citrate is 66% tamoxifen
3 Referred to as TAM400/CreER in Europe (TD.55125)
Please add 5-10 day lead time for irradiated diets; minimum 3 kg orders are required for stocked and customized items.
These diets all have tamoxifen premixed with ~five percent sucrose as a palatability enhancer; however, feed aversion may still occur. If intake is a problem, see below for advice.
Teklad Global 2016 — base diet in these examples — is only one of several minimal phytoestrogen diets Teklad produces. Consult a nutritionist about use of other base diets.
- Minimum order quantity is three kg, sufficient for feeding ~20 mice for one month
- Store diet refrigerated and plan to use within six months
- Typical lead time is two weeks (four weeks if irradiated)
- Irradiation (optional) minimal dose of 20 kGy (Must be requested at time of order)
- To place an order: contact Teklad Customer Service at 800.483.5523 or initiate order online
Plan for:
- Initial reduction in food intake and weight loss
- Daily observation of animal tolerance — consult your IACUC for monitoring metrics
- Intervene when necessary
If intake seems to be a problem:
- Determine if a lower dose is effective for your model by conducting a tamoxifen dose feeding trial
- Gradually acclimate mice by mixing tamoxifen-containing pellets with regular feed pellets
- Wet the food, then place in a dish inside the cage (requires daily replacement)
- Feed tamoxifen diet on weekdays, regular diet on weekends
- Alternate weeks (two weeks on tamoxifen diet, one week off) for longer treatments
- Tamoxifen is a selective estrogen receptor modulator (SERM) meaning it can repress actions of estrogen or have pro-estrogen effects
- Usual dose for therapeutic effects in humans is 20 mg/day. Tamoxifen diets for rodents typically contain ~one to two mg/pellet
- Accidental tamoxifen exposure can be minimized by using typical lab precautions of lab coat, gloves, and mask when handling the diet.
- Your chemical safety department should be contacted for additional institution specific guidelines for handling and disposal of tamoxifen containing diets.
- Length of treatment varies from one to two weeks1,2,5,6,7,8 to one to two months3,4,8
- Pure tamoxifen1,5,8 and tamoxifen citrate1,2,3,4,6,7 are both effective
- Usual tamoxifen doses are ~40-80 mg per kg body weight per day
- Typical inclusion for pure tamoxifen is 250 mg8 or 500 mg1,5 and for tamoxifen citrate is 400 mg per kg diet1,2,3,4,6,7
- Initial weight loss of ten % is reported1,2,4,7,8, associated with reduced food intake2
- Subsequent recovery of body weight after returning to regular diet may be compromised by gene inactivation2,7
- Andersson KB, Winer LH, Mork HK, Molkentin JD, Jaisser F. 2010. Tamoxifen administration routes and dosage for inducible Cre-mediated gene disruption in mouse hearts. Transgenic Res 19:715-725.
- Chiang PM, Ling J, Jeong YH, Price DL, Aja SM, Wong PC. 2010. Deletion of TDP-43 down-regulates Tbc1d1, a gene linked to obesity, and alters body fat metabolism. Proc Natl Acad Sci USA 107:16320-16324.
- Kardakaris R, Gareus R, Xanthoulea S, Pasparakis M. 2011. Endothelial and macrophage-specific deficiency of P38alpha MAPK does not affect the pathogenesis of atherosclerosis in ApoE-/- mice. PLoS One 6:e21055.
- Kiermayer C, Conrad M, Schneider M, Schmidt J, Brielmeier M. 2007. Optimization of spatiotemporal gene inactivation in mouse heart by oral application of tamoxifen citrate. Genesis 45:11-16.
- Koitabashi N, Bedja D, Zaiman AL, Pinto YM, Zhang M, Gabrielson KL, Takimoto E, Kass DA. 2009. Avoidance of transient cardiomyopathy in cardiomyocyte-targeted tamoxifen-induced MerCreMer gene deletion models. Circ Res 105:12-15.
- Kratsios P, Catela C, Salimova E, Huth M, Berno V, Rosenthal N, Mourkioti F. 2009. Distinct roles for cell-autonomous Notch signaling in cardiomyocytes of the embryonic and adult heart. PCirc Res 106:559-572.
- Miro-Murillo M, Elorza A, Soro-Arnaiz I, Albacete-Albacete L, Ordonez A, Balsa E, Vara-Vega A, Vazquez S, Fuertes E, Fernandez-Criado C, Landazuri MO, Aragones J. 2011. Acute Vhl gene inactivation induces cardiac HIF-dependent erythropoietin gene expression. PLoS One 6:e22589.
- Welle S, Burgess K, Thornton CA, Tawil R. 2009. Relation between extent of myostatin depletion and muscle growth in mature mice. Am J Physiol Endocrinol Metab.Oct;297(4):E935-40.