نتایج جستجو برای: mir 9
تعداد نتایج: 526754 فیلتر نتایج به سال:
The specification of motor neuron (MN) subtypes and columnar organization in developing spinal cord is controlled by multiple transcription factors. FoxP1 drives specification of lateral motor neuron (LMN) subtypes, and we demonstrated in our previous work that FoxP1 expression levels are regulated by the microRNA miR-9. Here we show that ectopic FoxP1 expression in the chick spinal cord can re...
سابقه و هدف: مطالعات اخیر بیانگر نقش کلیدی miR-221 و miR-21 در سرطان معده می باشند . هر چند دانش ما در مورد مکانیسم مولکولی عملکرد miR-221 و miR- 21 در سرطان بطور کلی و در سرطان معده بطور خاص محدود است. در این مطالعه دو microRNA بالقوه انکوژن (miR-221 و miR-21) انتخاب شده تا ارتباط سطوح بیان این microRNA ها و ژن های هدف آنها در بافت سالم و سرطانی معده مقایسه شوند. هدف این مطالعه بررسی ارتباط بی...
A typical molecular beacon (MB) composing of a fluorophore and a quencher has been used to sense various intracellular biomolecules including microRNAs (miRNA, miR). However, the on/off-tunable miRNA MB is difficult to distinguish whether the observed low fluorescence brightness results from low miRNA expression or low transfection of the miRNA MB. We developed a color-tunable miRNA-9 MB (ColoR...
Hodgkin Lymphoma (HL) is a neoplasia characterized by the restrict number of malignant cells present in the lymph node. Actual criteria in diagnostic standards don’t consider genetic and epigenetic alterations as risk factors in the development of this disease or in the response of the treatment. MicroRNAs (miRNAs) are important regulatory elements of genic expression that can be altered in the...
A major unmet medical need to better manage Type 2 Diabetes (T2D) is the accurate disease prediction in subjects who show glucose dysmetabolism, but are not yet diagnosed as diabetic. We investigated the possibility to predict/monitor the progression to T2D in these subjects by retrospectively quantifying blood circulating microRNAs in plasma of subjects with i) normal glucose tolerance (NGT, n...
The invasive behavior of glioblastoma multiforme (GBM) cells is one of the most important reasons for the poor prognosis of this cancer. For invasion, tumor cells must acquire an ability to digest the extracellular matrix and infiltrate the normal tissue bordering the tumor. Preventing this by altering effector molecules can significantly improve ...
We introduce aligned hierarchies, a low-dimensional representation for music-based data streams, such as recordings of songs or digitized representations of scores. The aligned hierarchies encode all hierarchical decompositions of repeated elements from a high-dimensional and noisy music-based data stream into one object. These aligned hierarchies can be embedded into a classification space wit...
MicroRNAs (miRs) are small, non-protein coding transcripts involved in many cellular functions. Many miRs have emerged as important cancer biomarkers. In the present study, we investigated whether miR levels in breast tumors are predictive of breast cancer local recurrence (LR). Sixty-eight women who were diagnosed with breast cancer at the Lombardi Comprehensive Cancer Center were included in ...
MicroRNAs (miRNA) are small, non-coding RNAs mediating post-transcriptional regulation of gene expression. miRNAs have recently been implicated in hippocampus-dependent functions such as learning and memory, although the roles of individual miRNAs in these processes remain largely unknown. Here, we achieved stable inhibition using AAV-delivered miRNA sponges of individual, highly expressed and ...
Purpose. This study aimed to determine the dynamic changes of NF-κB-related microRNAs (miRNAs) and cytokines over the course of experimental autoimmune anterior uveitis (EAAU) and elucidate the possible immunopathogenesis. Materials and Methods. Uveitis was induced in Lewis rats using bovine melanin-associated antigen. The inflammatory activity of the anterior chamber was clinically scored, and...
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