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Related Concept Videos

Curing Methods01:26

Curing Methods

Concrete members with a small surface-to-volume ratio are cured by oiling and moistening the forms before casting the concrete member. These forms can be left in place for a prolonged period to prevent moisture loss, and can be wetted if made of a material suitable for wetting. If the forms are removed early, the concrete member is moistened and covered with polythene sheets to maintain moisture. For large horizontal concrete surfaces exposed to dry weather, a temporary covering is suspended...
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Punishment

Negative reinforcement and punishment are often confused but serve distinct functions in behavior modification. Reinforcement, whether positive or negative, increases the likelihood of a desired behavior, while punishment decreases it.
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Simpson's Rule II01:28

Simpson's Rule II

In warehouse roofing applications, corrugated or curved metal sheets are commonly used to improve structural strength, water drainage, and ventilation efficiency. To accurately estimate material requirements and optimize design parameters, engineers must determine the curved surface area of these sheets. Because the sheet profiles often repeat smoothly along their length, they can be effectively approximated by parabolic curves, enabling the use of numerical integration techniques for area...
Restarting Stalled Replication Forks02:37

Restarting Stalled Replication Forks

DNA replication is initiated at sites containing predefined DNA sequences known as origins of replication. DNA is unwound at these sites by the minichromosome maintenance (MCM) helicase and other factors such as Cdc45 and the associated GINS complex.The unwound single strands are protected by replication protein A (RPA) until DNA polymerase starts synthesizing DNA at the 5’ end of the strand in the same direction as the replication fork. To prevent the replication fork from falling apart, a...
Restarting Stalled Replication Forks02:37

Restarting Stalled Replication Forks

DNA replication is initiated at sites containing predefined DNA sequences known as origins of replication. DNA is unwound at these sites by the minichromosome maintenance (MCM) helicase and other factors such as Cdc45 and the associated GINS complex.The unwound single strands are protected by replication protein A (RPA) until DNA polymerase starts synthesizing DNA at the 5’ end of the strand in the same direction as the replication fork. To prevent the replication fork from falling apart, a...
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The hydration of cement takes place within the water-filled capillary pores. However, environmental elements can disrupt this process by evaporating water from the concrete surfaces. Sealed concrete with a water-cement ratio below 0.5 experiences self-desiccation, leading to water loss. The water loss in concrete is mitigated by curing. This technique involves keeping the concrete saturated to maintain the necessary temperature and moisture conditions, to optimally fill the spaces in the cement...

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Extinction Training During the Reconsolidation Window Prevents Recovery of Fear
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Published on: August 24, 2012

Three Strikes and You're Cured.

Anita S Chong1, Graeme I Bell

  • 1Department of Surgery, University of Chicago, Chicago, IL 60637, USA. achong@surgery.bsd.uchicago.edu

Science Translational Medicine
|May 11, 2012
PubMed
Summary
This summary is machine-generated.

Researchers found a way to stop autoimmune attacks and encourage pancreatic beta cell regeneration in mice with type 1 diabetes, potentially restoring blood sugar control.

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Area of Science:

  • Immunology
  • Endocrinology
  • Regenerative Medicine

Background:

  • Type 1 diabetes is an autoimmune disease where the body's immune system mistakenly attacks pancreatic beta cells.
  • Destruction of beta cells leads to insulin deficiency and hyperglycemia, requiring lifelong management.
  • Current treatments focus on insulin replacement and blood glucose monitoring.

Purpose of the Study:

  • To investigate a novel therapeutic strategy for type 1 diabetes in a preclinical mouse model.
  • To determine if abrogating autoimmunity can enable endogenous pancreatic beta cell regeneration.
  • To assess the potential for restoring glycemic control through beta cell recovery.

Main Methods:

  • Utilized a mouse model of type 1 diabetes.
  • Implemented a strategy to suppress the autoimmune response against beta cells.
  • Monitored beta cell mass, function, and blood glucose levels post-intervention.

Main Results:

  • Successful abrogation of autoimmunity was achieved in the treated mice.
  • Evidence of pancreatic beta cell regeneration and increased beta cell mass was observed.
  • Restoration of normal blood glucose regulation was demonstrated.

Conclusions:

  • Combining immune suppression with the promotion of beta cell regeneration is a promising therapeutic approach for type 1 diabetes.
  • This strategy offers a potential path towards disease reversal rather than just management.
  • Further research is warranted to translate these findings to human clinical applications.