Positive Feedback
A phase plane graph based model of the ovulatory cycle lacking the "positive feedback" phenomenon
... exerts positive feedback on the anterior pituitary and sensitizes it to ...negative feedback, and in part as a result of loss of the positive feedback that is derived from ...
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A positive feedback-based gene circuit to increase the production of a membrane protein
... of positive or negative feedback is commonly used as a motif in gene regulatory ...topology, feedback often leads to improved performance of the gene regula- tory ...a positive feedback ...
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The positive feedback between snail and DAB2IP regulates EMT, invasion and metastasis in colorectal cancer
... a positive feedback loop in CRC ...the positive feedback between DAB2IP and Snail modulates Snail stability via proteasome-dependent ubiquitination mediated by GSK3β in SW480 cells, we treated ...
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Crossveinless 2 is an essential positive feedback regulator of Bmp signaling during zebrafish gastrulation
... Signaling by bone morphogenetic proteins (Bmps) plays a pivotal role in developmental and pathological processes, and is regulated by a complex interplay with secreted Bmp binding factors, including Crossveinless 2 ...
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Positive feedback regulation between IL10 and EGFR promotes lung cancer formation
... Based on our data and the result of previous studies, we suggest that IL10 activates IL10RA to recruit JAK1 and induce its autophosphorylation. The activation of JAK1 increases Src phosphorylation and subsequently ...
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A positive-feedback mechanism promotes reovirus particle conversion to the intermediate associated with membrane penetration
... Many animal viruses, both enveloped and nonenveloped, follow a similar pathway for activation of the membrane-fusion or -penetration function of the capsid (36–39). First, a priming or deprotection step results in a ...
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Research on the Impact of Short Selling Mechanism on Investors’ Positive Feedback Trading Behavior
... investors’ positive feedback trading ...tive feedback trading behavior exists in Chinese stock market, and the launching of the short sell- ing mechanism inhibits effectively the positive ...
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Design and Implementation of Vedic Multiplier using Positive Feedback Adiabatic Logic
... ABSTRACT: In recent years, low power circuit design is crucial issue in any system. Adiabatic logic dissipates less power than static CMOS logic. It has been a significant approach in low power circuit design. A high ...
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Positive Feedback Based Enhanced Gain Operational Amplifier in 45nm Technology
... ABSTRACT: A gain boosted operational amplifier designed using positive feedback technique is presented in this paper. In this design, a differential output differential amplifier merged with a single output ...
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Research on Island Detection Based on Improved Positive Feedback Active Frequency Shift
... this time, the load capacitance is the most serious condition in the isolated island. From the above, we can see that increasing the parameters of positive feedback factor k can effectively reduce the blind ...
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Improving the positive feedback adiabatic logic familiy
... Abstract. Positive Feedback Adiabatic Logic (PFAL) shows the lowest energy dissipation among adiabatic logic fami- lies based on cross-coupled transistors, due to the reduc- tion of both adiabatic and ...
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COMMD7 is correlated with a novel NF-κB positive feedback loop in hepatocellular carcinoma
... The correlation between nuclear factor-kappa B (NF-κB) and COMMD7 in hepatocellular carcinoma (HCC) development remained unclear. Here, our clinicopathological data showed that COMMD7 is overexpressed in HCC with a ...
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Fibrotic extracellular matrix activates a profibrotic positive feedback loop
... a positive feedback loop between the diseased ECM and fibrob- lasts propagates the fibrosis, a concept that aligns well with the characteristic pattern of contiguous spreading during IPF ...
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The Role of Positive Feedback in Intelligent Tutoring Systems
... given positive feedback performed bet- ter in an assessment task than subjects receiving neg- ative ...the positive over negative messages in her corpus of expert tu- toring dialogues is about 4 to ...
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Assessing the impact of positive feedback in constraint based ITSs
... of positive feedback messages seen, while in the case of the control group, the strongest predictor turns out to be the number of negative feedback messages ...negative feedback is the ...
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Assessing the Impact of Positive Feedback in Constraint based Tutors
... of feedback in the facilitation of learning including the impacts of feedback intervention, different types of feedback content, presentation of feedback and the scheduling of ...executing ...
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A modular positive feedback-based gene amplifier
... Similar to what we observed with the one-component tetracycline receptor, we found that the amplifier increased both the range and sensitivity when coupled to the two-component aspartate sensor as compared to an ...
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INSM1 increases N-myc stability and oncogenesis via a positive- feedback loop in neuroblastoma
... a positive-feedback loop that resulted from an increase in N-myc stability through INSM1 activation of the PI3K/AKT signaling pathway thus resulting into NB cell growth, invasion, and ...
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Mechanisms of choice in the primate brain: a quick look at positive feedback
... that positive feedback can add to a selection system, namely the ability to raise weak sensory (and motivational) salience signals to the level required to elicit ...
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Design of Low Noise Amplifier using Positive Feedback Gain Enhancement Technique
... -------------------------------------------------------------------ABSTRACT--------------------------------------------------------------- Low Noise Amplifier (LNA) is a digital amplifier that amplifies a completely low ...
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