نتایج جستجو برای: cell and intra
تعداد نتایج: 17126314 فیلتر نتایج به سال:
objective: in necrotic immature teeth, intra canal medicaments such as triple antibiotic paste (tap) and calcium hydroxide (ch) are used for root canal disinfection and regeneration treatment. however, the effect of these medicaments on dental pulp fibroblasts has yet to be known. this study aimed to assess the cytotoxicity of ch and tap against cultured human dental pulp fibroblasts (hdpfs) ob...
A key problem in developmental biology is how pattern and planar polarity are transmitted in epithelial structures. Examples include Drosophila neuronal differentiation, ommatidia formation in the compound eye, and wing hair polarization. A key component for the generation of such patterns is direct cell-cell signalling by transmembrane ligands, called juxtacrine signalling. Previous models for...
Abstract Background As an object’s electrical passive property, the conductivity is proportional to mobility and concentration of charged carriers that reflect brain micro-structures. The measured multi- b diffusion-weighted imaging (M -DWI) data by controlling degree applied diffusion weights can quantify apparent water molecules within biological tissues. Without any external stimulation, mag...
objective: to evaluate the functional outcome and extensor apparatus of operative management of intra-articular fractures of distal humerus using modification of the triceps tongue flap approach. methods: this prospective study was conducted between june, 2012 to april,2014 in nims medical college and hospital, jaipur, rajasthan(india). we included 23 patients with intraarticular fractures of d...
abstract squamous cell carcinoma (scc) is the most common malignant tumors of oral cavity. the ratio of men to women is about 2: 1. generally, it is admitted that 60% of carcinoma of the mandibular gingival are located in the posterior of premolars. gingiva is one of the less common sites of oral squamous cell carcinoma (oscc). due to the variable clinical and behavioral presentations, it c...
oct4 یکی از ژنهای مهم و کلیدی در سلولهای بنیادی است و کد کننده یک فاکتور رونویسی است که نقش کنترل بیان ژنهای مرتبط با بنیادی بودن (stemness) را به عهده دارد. با فرایند پیرایش افتراقیalternative splicing) ) حداقل سه واریانت مختلف با عملکرد متفاوت از این ژن سنتز میگردد. عمده ترین نقش این ژن کنترل پرتوانی (pluripotency) و خود باز آفرینی (self-renewal) در سلولهای بنیادی است، بطوریکه بیان این ژن نشا...
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