以下是一些建议:
o 在获取板之前,在 Luminex 仪器上运行校准和验证珠。
o 查看仪器设置并确保它们适合正在运行的检测(调整针高,确保选择正确的珠门和正确的 DD 设置)。
o 在仪器上采集前摇动板以重新悬浮珠子。
o 将珠子涡旋 30 秒,然后再将它们添加到板中。
o 清洗:在清空板之前,不要忘记将板放在手持式磁性洗板机上约 2 分钟。
这种模式表明样本基质效应。以下是一些建议:
o 确认样品已澄清且不含碎片和脂质(建议离心 5-10 分钟)。
o 确认血清、血浆样品的样品与测定稀释剂的比例至少为 1:1。对于细胞裂解物或组织匀浆,确认样品已在测定缓冲液中适当稀释,以将裂解缓冲液中的去污剂浓度降低至≤0.01%。对于其他样品类型,可能需要进一步的样品优化。
Cleavage of hyaluronan is impaired in aged dermal wounds.
Authors:Reed MJ, Damodarasamy M, Chan CK, Johnson MN, Wight TN, Vernon RB,
Journal:Matrix Biol
PubMed ID:23022999
'Changes in extracellular matrix (ECM) are one of many components that contribute to impaired wound healing in aging. This study examined the effect of age on the glycosaminoglycan hyaluronan (HA) in normal and wounded dermis from young (4-6 month-old) and aged (22-24 month-old) mice. HA content and size were similar ... More
Thyroid hormone controls the gene expression of HSV-1 LAT and ICP0 in neuronal cells.
'Various factors/pathways including hormonal regulation have been suggested to control herpes simplex virus type 1 (HSV-1) latency and reactivation. Our computer analysis identified a DNA repeat containing thyroid hormone-responsive elements (TRE) in the regulatory region of HSV-1 latency-associated transcript (LAT). Thyroid hormone (triiodothyronine, T(3)) functions via its receptor TR (thyroid ... More
miRNA-214 is related to invasiveness of human non-small cell lung cancer and directly regulates alpha protein kinase 2 expression.
Authors:Salim H, Arvanitis A, de Petris L, Kanter L, Hååg P, Zovko A, Özata DM, Lui WO, Lundholm L, Zhivotovsky B, Lewensohn R, Viktorsson K,
Journal:
PubMed ID:23929716
'The prognosis of non-small cell lung cancer (NSCLC) is poor, since it has often metastasized to distant organs by the time of diagnosis. Therefore, biomarkers predicting metastasis are crucial. miRNAs play important roles in the regulation of different tumor cell processes, including metastasis. We recently showed that miRNA-214 is linked ... More
miR-205 expression promotes cell proliferation and migration of human cervical cancer cells.
Authors:Xie H, Zhao Y, Caramuta S, Larsson C, Lui WO,
Journal:PLoS One
PubMed ID:23056551
MicroRNAs (miRNAs) are short non-coding RNA regulators that control gene expression mainly through post-transcriptional silencing. We previously identified miR-205 in a signature for human cervical cancer using a deep sequencing approach. In this study, we confirmed that miR-205 expression was frequently higher in human cervical cancer than their matched normal ... More
A preclinical assessment of neural stem cells as delivery vehicles for anti-amyloid therapeutics.
Authors:Njie eG, Kantorovich S, Astary GW, Green C, Zheng T, Semple-Rowland SL, Steindler DA, Sarntinoranont M, Streit WJ, Borchelt DR,
Journal:PLoS One
PubMed ID:22496779
Transplantation of neural stems cells (NSCs) could be a useful means to deliver biologic therapeutics for late-stage Alzheimer's disease (AD). In this study, we conducted a small preclinical investigation of whether NSCs could be modified to express metalloproteinase 9 (MMP9), a secreted protease reported to degrade aggregated Aß peptides that ... More