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Related Concept Videos

Antiprotozoal Agents01:21

Antiprotozoal Agents

Leishmaniasis is a widespread parasitic disease caused by several Leishmania species. It affects millions of people each year and remains a major public health problem in endemic regions. First-line treatment relies on pentavalent antimonials, including meglumine antimoniate and sodium stibogluconate. Even so, how these drugs work has not been fully clear, especially their interaction with parasite-specific biochemical pathways. One key target is trypanothione reductase (TR), an enzyme that...
LTR Retrotransposons03:08

LTR Retrotransposons

LTR retrotransposons are class I transposable elements with long terminal repeats flanking an internal coding region. These elements are less abundant in mammals compared to other class I transposable elements. About 8 percent of human genomic DNA comprises LTR retrotransposons. Some of the common examples of LTR retrotransposons are Ty elements in yeast and Copia elements in Drosophila.
The internal coding region of LTR retrotransposons and their mechanism of transposition closely resembles a...
Rabies01:28

Rabies

Rabies is a lethal zoonotic disease caused by a single-stranded, negative-sense RNA virus of the Lyssavirus genus, within the family Rhabdoviridae. Its primary mode of transmission to humans is through bites or saliva-contaminated scratches from infected mammals such as dogs, bats, raccoons, or foxes. Transmission can also occur if infectious saliva contacts abraded skin or intact mucous membranes, including the conjunctiva.Viral Entry and Early ReplicationOnce introduced at the bite or scratch...
Feedback Loops01:01

Feedback Loops

In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a particular substance, like a hormone, to maintain a certain level before triggering a signal that results in a decrease in further release of the hormone.
Non-LTR Retrotransposons03:18

Non-LTR Retrotransposons

As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...
Leaky Scanning02:28

Leaky Scanning

During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R stands for...

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Polymerase Chain Reaction and Dot-Blot Hybridization for Leptospira Detection in Water Samples
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Leptin: back and forward.

Julian Mercer1

  • 1Division of Obesity and Metabolic Health, Rowett Institute of Nutrition and Health, University of Aberdeen, Aberdeen, UK.

Journal of Neuroendocrinology
|October 21, 2009
PubMed
Summary
This summary is machine-generated.

Leptin discovery transformed obesity research. Current progress shows promise for leptin monotherapy in deficiency states and combination therapy for common obesity, with potential in brain development.

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Area of Science:

  • Endocrinology
  • Neuroscience
  • Metabolic research

Background:

  • Leptin, a hormone regulating energy balance, significantly impacted obesity research.
  • Therapeutic applications of leptin have faced challenges but are advancing.

Purpose of the Study:

  • To review the progress and potential of leptin in obesity research.
  • To explore leptin's role in early brain development and its therapeutic implications.

Main Methods:

  • Literature review of leptin's therapeutic applications.
  • Analysis of leptin's function in metabolic regulation and neurodevelopment.

Main Results:

  • Leptin monotherapy shows efficacy in specific deficiency conditions.
  • Combination therapies are emerging as a strategy for common obesity.
  • Leptin's role in brain development presents new research avenues.

Conclusions:

  • Leptin's therapeutic journey in obesity is ongoing, with recent advancements.
  • Further mechanistic studies on leptin's neurodevelopmental roles may yield novel treatments.