MicrONTM miRNA agomir是经过特别化学修饰的miRNA振作剂,可径直打针于动物体内,用于师法内源性miRNA。比拟细胞用miRNA mimic,动物用miRNA agomir具有更高的踏实性和miRNA活性,更易通过细胞膜、细胞谬误而富集于靶细胞。在动物履行中agomir时时不错通过系统或局部打针等方法进行给药。对于科研履行中的给药阵势一般莫得固定的模式推特 文爱,给药阵势应该把柄具体的履行生动野心,在实质履行经过中不断养息养息和优化。
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本期著述小编给宇宙带来的是对于动物用miRNA agomir给药阵势的客户哄骗案例,咱们也将不定时地更新更多miRNA agomir在动物体内的哄骗政策,但愿大致对正在或行将要作念动物履行的诸君小伙伴有一定的匡助!
锐博生物miRNA agomir
华文名:miRNA振作剂
功能:师法内源性的miRNA
纯化阵势:in vivo(Standard in vivo)
踏实性:经特别化学修饰,踏实性高
给药阵势:局部给药(1-10 nmol);系统给药(5-20 nmol)
作用阵势:双链RNA,作用链为正义链,通过模拟miRNA参预miRISC复合物来调理靶mRNA的抒发而流露作用
客户哄骗案例1:
Signal Transduction and Targeted Therapy(IF39.3)丨A Kaposi’s sarcoma-associated herpes virus-encoded microRNA contributes to dilated cardiomyopathy
疾病模子:延迟型心肌病(对于CVB3感染,BALB/c小鼠腹腔打针0.1mL含有105 50%组织培养感染剂量(TCID50)CVB3的 PBS以指令病毒性心肌炎。)
动物模子:CVB3指令的病毒性心肌炎小鼠模子(分为4组,agomir-8-5p组、NC组)
给药阵势:尾静脉打针
给药剂量:20 nmol
给药频率:在CVB3感染前贯穿3天
Fig1. 尾静脉打针kshv-miR-K12-1-5p agomiR加多了腹黑中的CVB3复制,以及腹黑组织中炎症细胞的浸润和血清炎症细胞因子的水平,并加剧了腹黑组织的纤维化水平,以及心输出量减少和舒张功能进犯
参考文件:Zhao Y, Li H, Du H, et al. A Kaposi’s sarcoma-associated herpes virus-encoded microRNA contributes to dilated cardiomyopathy[J]. Signal Transduction and Targeted Therapy, 2023, 8(1): 226.
客户哄骗案例2:
Science Advances(IF13.6)丨Tau pathology epigenetically remodels the neuron-glial cross-talk in Alzheimer’s disease
疾病模子:阿尔茨海默氏病(使用5周龄3×Tg小鼠看成AD履行模子)
动物模子:3×Tg小鼠模子(分为4组,区别为WT、3×Tg、3×Tg A-miR-133a-3p、3×Tg shRNA-A1R)
给药阵势:海马CA3区打针
给药剂量:2 ul, 100 μM
给药频率:使用Hamilton微量打针器以0.2 μl/min的打针速度向海马CA3区立体定向打针,针头在动物的大脑中停留10 min,然后舒缓取出
Fig2. 打针A-miR-133a-3p(agomir miR-133a-3p)可援手3×Tg小鼠的挂牵弱势和树突突出
参考文件:Zhou L T, Liu D, Kang H C, et al. Tau pathology epigenetically remodels the neuron-glial cross-talk in Alzheimer’s disease[J]. Science Advances, 2023, 9(16): eabq7105.
客户哄骗案例3:
Autophagy(IF13.3)丨CircEPS15, as a sponge of MIR24-3p ameliorates neuronal damage in Parkinson disease through boosting PINK1-PRKN-mediated mitophagy
疾病模子:帕金森病(使用亚急性小鼠PD模子看成履行模子)
动物模子:亚急性小鼠PD模子(分为6组,ago-Mir24-3p negative control (NC) + Saline、ago-Mir24-3p + Saline、ago-Mir24-3p + CircEPS15-GFP + Saline、ago-NC + MPTP、ago-Mir24-3p + MPTP、ago-Mir24 -3p + CircEPS15-GFP + MPTP)
给药阵势:中脑打针
给药剂量:2.5 μL/一侧,淫色1 nmol
给药频率:显微打针1次
Fig3. 打针Mir24-3p agomir导致中脑中的TH+和Nissl+神经元彰着减少,而circEPS15过抒发则逆转了这些影响
参考文件:Zhou Y, Liu Y, Kang Z, et al. CircEPS15, as a sponge of MIR24-3p ameliorates neuronal damage in Parkinson disease through boosting PINK1-PRKN-mediated mitophagy[J]. Autophagy, 2023: 1-18.
客户哄骗案例4:
Redox Biology(IF11.4)丨Translocator protein 18 kDa regulates retinal neuron apoptosis and pyroptosis in glaucoma
疾病模子:青光眼(通过将野生型SD大鼠的眼内压教养到120 mmHg,并保管45 min来开拓大鼠ph-IOP模子)
动物模子:ph-IOP大鼠模子(分为6组,区别为ph-IOP、ph-IOP+miR-1839 agomir (Ago)、ph-IOP+miR-1839 antagomir (Anta)、ph-IOP+Ago+Ier2 siRNA (dIer2)、ph-IOP+Anta+dIer2、ph-IOP+dIer2+TSPO-siRNA (dTSPO))
给药阵势:玻璃体内打针
给药剂量:2 nmol/eye
给药频率:在剖解显微镜下通过玻璃体内打针,打针1次
Fig4. 打针miR-1839 agomir (Ago)可抑制ph-IOP指令的NLRP3/caspase1/GSDMD通路激活
参考文件:Zeng Z, You M, Rong R, et al. Translocator protein 18 kDa regulates retinal neuron apoptosis and pyroptosis in glaucoma[J]. Redox Biology, 2023, 63: 102713.
客户哄骗案例5:
Molecular Therapy-Nucleic Acids(IF8.8)丨Role of miR-300-3p in Leydig cell function and differentiation: A therapeutic target for obesity-related testosterone deficiency
疾病模子:肥美有关睾酮阑珊症(使用C57BL/6J小鼠看成履行模子以议论miR-300-3p在体内的功能)
动物模子:C57BL/6J小鼠模子(分为3组,Ctrl (PBS)、NC-Ago、300-Ago)
给药阵势:睾丸打针
给药剂量:15 μL,1.875nmol
给药频率:将微量打针器从小鼠阴囊外插入三分之一的睾丸中,打针速度为15μL/min。打针后,将针头舍弃30秒,直到药物富有摄取。
Fig5. 打针miR-300-3p agomir(300-Ago)显赫下调血清睾酮水平,导致睾丸间质中积存了大皆脂滴
参考文件:Liang J, Chen D, Xiao Z, et al. Role of miR-300-3p in Leydig cell function and differentiation: A therapeutic target for obesity-related testosterone deficiency[J]. Molecular Therapy-Nucleic Acids, 2023, 32: 879-895.
客户哄骗案例6:
Cell Reports(IF8.8)丨Exosomal miR-27b-3p secreted by visceral adipocytes contributes to endothelial inflammation and atherogenesis
疾病模子:内皮炎症和动脉粥样硬化(将6-8周龄雄性ApoE-/-小鼠赐与WD(42%脂肪,0.2%总胆固醇)3-4个月,看成履行动物模子)
动物模子:ApoE-/-小鼠模子(分为2组,agomiR-NC、agomiR-27b-3p)
给药阵势:尾静脉打针
给药剂量:0.3 mol/kg
给药频率:每周1次,执续1个月
Fig6. 打针agomiR-27b-3p加快了ApoE-/-小鼠动脉粥样硬化斑块酿成
参考文件:Tang Y, Yang L J, Liu H, et al. Exosomal miR-27b-3p secreted by visceral adipocytes contributes to endothelial inflammation and atherogenesis[J]. Cell Reports, 2023, 42(1).
客户哄骗案例7:
Cellular & Molecular Biology Letters(IF8.3)丨A frog peptide provides new strategies for the intervention against skin wound healing
疾病模子:皮肤创伤愈合(全层皮肤毁伤的SD大鼠模子看成履行动物模子)
动物模子:全层皮肤毁伤SD大鼠模子(分为2组,agomir NC、miR-632 agomir)
给药阵势:皮下打针
给药剂量:5 nM
给药频率:手术后第0天、第4天打针
Fig7. 打针miR-632 agomir促进l 大鼠皮肤创面再生
参考文件:Li C, Fu Z, Jin T, et al. A frog peptide provides new strategies for the intervention against skin wound healing[J]. Cellular & Molecular Biology Letters, 2023, 28(1): 1-32.
客户哄骗案例8:
Biomedicine & Pharmacotherapy(IF7.5)丨Rgl-exomiR-7972, a novel plant exosomal microRNA derived from fresh Rehmanniae Radix, ameliorated lipopolysaccharide-induced acute lung injury and gut dysbiosis
疾病模子:急性肺毁伤和肠谈失调(将BALB/c雄性小鼠麻醉,然后气管内打针LPS(32 mg/kg) 2 h,以构建LPS指令的肺毁伤小鼠模子)
动物模子:LPS指令的肺毁伤小鼠模子(分为2组,agomir NC、miR-7972 agomir)
给药阵势:静脉打针
给药剂量:200 nmol
给药频率:每天1次、贯穿3天
Fig8. 打针miR-7972 agomir可抑制LPS指令的炎症
参考文件:Qiu F S, Wang J F, Guo M Y, et al. Rgl-exomiR-7972, a novel plant exosomal microRNA derived from fresh Rehmanniae Radix, ameliorated lipopolysaccharide-induced acute lung injury and gut dysbiosis[J]. Biomedicine & Pharmacotherapy, 2023, 165: 115007.
更多动物用miRNA agomir哄骗案例执续更新中推特 文爱,敬请期待……