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- 详细信息
- 文献和实验
- 技术资料
- 库存:
有现货
- 英文名:
2-Ketobutyric acid
- CAS号:
600-18-0
- 保质期:
根据瓶身LOT查询
- 供应商:
浙江羽翔生物科技有限公司
- 保存条件:
2-8°C
- 规格:
5G
属性:
质量水平:100
检测方案:97%
形式:liquid
Bp:84 °C/20 mmHg (lit.)
Mp:30-34 °C (lit.)
储存温度:2-8°C
SMILES字符串:CCC(=O)C(O)=O
应用:
2-酮丁酸可作为反应物合成:
通过酶催化胺化反应生成
(S)-2-氨基丁酸。
在乙醇环境下通过活细胞反应生成
L-异亮氨酸。
在硫酸环境下通过 1,2-二氨 ji 苯生成 3-乙基-2-喹 lin 醇。
在生物催化剂环境下使用 2,3-二氨基萘生成
3-乙苯[g]喹喔啉-2(1H)-酮。
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文献和实验Signatures of cell stress and altered bioenergetics in skin fibroblasts from patients with multiple sclerosis.
Multiple sclerosis (MS) is a central nervous system inflammatory demyelinating disease and the most common cause of non-traumatic disability in young adults. Despite progress in the treatment of the active relapsing disease, therapeutic options targeting irreversible progressive decline remain limited. Studies using skin fibroblasts derived from patients with neurodegenerative disorders demonstrate that cell stress pathways and bioenergetics are altered when compared to healthy individuals. However, findings in MS skin fibroblasts are limited. Here, we collected skin fibroblasts from 24 healthy control individuals, 30 patients with MS, and ten with amyotrophic lateral sclerosis (ALS) to investigate altered cell stress profiles. We observed endoplasmic reticulum swelling in MS skin fibroblasts, and increased gene expression of cell stress markers including BIP, ATF4, CHOP, GRP94, P53, and P21. When challenged against hydrogen peroxide, MS skin fibroblasts had reduced resiliency compared to ALS and controls. Mitochondrial and glycolytic functions were perturbed in MS skin fibroblasts while exhibiting a significant increase in lactate production over ALS and controls. Our results suggest that MS skin fibroblasts have an underlying stress phenotype, which may be disease specific. Interrogating MS skin fibroblasts may provide patient specific molecular insights and aid in prognosis, diagnosis, and therapeutic testing enhancing individualized medicine.
提取样品的总RNA后,一般根据RNA的凝胶电泳图来判断RNA的质量。由于RNA容易形成二级结构,因此常用甲醛变性胶来进行RNA电泳,得到的电泳图能真实反映RNA的质量状况。一、试剂:DEPC(Sigma公司产品),MOPs(Bocherigmer公司产品),甲酰胺(Formamide,Sigma公司产品),溴酚蓝(Bromphenol Blue,Sigma公司产品)。EDTA-Na2,氢氧化钠,醋酸钠,甲醛,甘油,分析纯,国产。二、试剂配制:1、DEPC 水的处理:用量筒量取去离子水2L
。3 亚硫酸铋琼脂(BS)成分:蛋白胨 10g牛肉膏 5g葡萄糖 5g硫酸亚铁 0.3g磷酸氢二钠 4g煌绿 0.025g柠檬酸铋铵 2g亚硫酸钠 6g琼脂 18~20g蒸馏水 1000mLpH7.5制法:1 将前面5种成分溶解于300mL蒸馏水中。2 将柠檬酸铋铵和亚硫酸钠另用50mL蒸馏水溶解。3 将琼脂于600mL蒸馏水中煮沸溶解,冷至80℃4 将以上三液合并,补充蒸馏水至1000mL,校正pH,加0.5%煌绿水溶液5mL,摇匀。冷至50~55℃,倾注平皿。注:此培养基不需高压灭菌。制备过程不宜过分
, incubate for 30 min at 37°C. ( 5g powdered milk in 95 ml PBS)5 Rinse with PBS 3x.6 Add 50 µl of antibody, incubate 30 min at 37°C.7 Rinse with PBS 3x.8 Add 50 µl of goat anti-mouse IgG conjugate with alkaline phosphatase.(1 µl of conjugate in 4 ml of PBS
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