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Related Concept Videos

Critical Region, Critical Values and Significance Level01:16

Critical Region, Critical Values and Significance Level

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The critical region, critical value, and significance level are interdependent concepts crucial in hypothesis testing.
In hypothesis testing, a sample statistic is converted to a test statistic using z, t, or chi-square distribution. A critical region is an area under the curve in  probability distributions demarcated by the critical value. When the test statistic falls in this region, it suggests that the null hypothesis must be rejected. As this region contains all those values of the...
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Critical Values01:31

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A critical value is a definite value obtained from a particular probability distribution at a predecided confidence level (or a predecided significance level) for a given population parameter. The critical value provides demarcation that separates the sample statistics that are likely to occur from the ones that are unlikely to occur based on the given probability distribution and the population parameter to be estimated. The critical value for normal distribution is obtained from the z...
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Critical Thinking I01:24

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Critical thinking helps decision-making and allows nurses to recognize barriers to success and find solutions to possible issues. It helps to brainstorm and implement ideas to achieve goals. Critical thinking helps acknowledge and state workflow inefficiencies while improving management techniques. Nurses understand the value of critical thinking and look for fellow nurses with critical thinking skills to upgrade their professional standards. Critical thinking can advance a nurse's career...
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Critical Thinking II01:25

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Critical thinking is a cognitive process with several attributes. The attributes of critical thinking include the following:
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Critical Thinking01:19

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Critical thinking involves reflective and productive thinking and the evaluation of evidence. Critical thinkers seek to understand the deeper meaning of ideas, question assumptions, and make independent decisions about what to believe or do. Scientists, for instance, are often critical thinkers. Critical thinking also requires humility about what we know and don't know and the motivation to look beyond the obvious. It is essential for effective problem-solving.
Colleges and universities are...
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C4 Pathway and CAM01:27

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Most plants use the C3 pathway for carbon fixation. However, some plants, such as sugar cane, corn, and cacti that grow in hot conditions, use alternative pathways to fix carbon and conserve energy loss due to photorespiration. Photorespiration is the process that occurs when the oxygen concentration is high. Under such conditions, the rubisco enzyme in the Calvin cycle binds O2 instead of CO2, which halts photosynthesis and consumes energy.
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Critical molecular pathways in CLL therapy.

Gerardo Ferrer1, Emili Montserrat2

  • 1Karches Center for Oncology Research, The Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, USA.

Molecular Medicine (Cambridge, Mass.)
|August 24, 2018
PubMed
Summary

Chronic lymphocytic leukemia (CLL) involves abnormal B lymphocyte accumulation. Targeted therapies, including kinase inhibitors and BCL-2 mimics, offer improved outcomes for this incurable leukemia.

Keywords:
BTKBcl-2 and pathway inhibitorsCLLPI3K

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Area of Science:

  • Hematology
  • Oncology
  • Molecular Biology

Background:

  • Chronic lymphocytic leukemia (CLL) is the most common leukemia in Western countries, characterized by monoclonal B lymphocyte accumulation.
  • Despite therapeutic advances, CLL remains largely incurable, highlighting the need for novel treatment strategies.
  • Key pathogenic factors include B-cell receptor (BCR) signaling, anti-apoptotic protein upregulation, and microenvironment interactions.

Purpose of the Study:

  • To review the current understanding of CLL pathogenesis.
  • To discuss established and emerging molecularly targeted therapies for CLL.
  • To highlight the potential of novel small molecules in improving patient outcomes.

Main Methods:

  • Literature review of recent advancements in CLL research.
  • Analysis of molecular pathways implicated in CLL pathogenesis.
  • Evaluation of targeted therapeutic agents, including kinase inhibitors and BCL-2 family protein modulators.

Main Results:

  • BCR signaling, anti-apoptotic mechanisms, and microenvironment interactions are critical in CLL.
  • BTK and PI3K inhibitors, along with BH3-mimetic drugs, are established treatments.
  • The increasing number of small molecules targeting CLL pathways promises better therapeutic results.

Conclusions:

  • Targeting specific molecular pathways in CLL is a rapidly evolving field.
  • Novel small molecules are expected to further enhance treatment efficacy and patient outcomes in CLL.
  • Continued research into CLL biology is crucial for developing more effective and potentially curative therapies.