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Related Concept Videos

Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase01:11

Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase

Genetic polymorphisms in drug targets have emerged as critical determinants of interindividual variability in drug response and toxicity. Pharmacogenomic investigations increasingly focus on identifying these variations to personalize and optimize therapeutic interventions. A drug target may be a receptor, enzyme, or signaling protein involved in pharmacologic responses or disease-related pathways. While early pharmacogenetic studies focused primarily on drug metabolism, current research...
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...
Peroxisomes01:24

Peroxisomes

Peroxisomes are specialized organelles present in fungi, plant, and animal cells. It can vary in number, size, morphology, and activity depending on the type of tissue and the nutritional state of the cell. For example, cells with active lipid metabolism, such as adipocytes, neurons, and hepatocytes, have more peroxisomes than other cells in the body. Besides their primary role in breaking down complex organic molecules, peroxisomes can also synthesize specific macromolecules and participate in...

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Related Experiment Videos

Lupeol: connotations for chemoprevention.

Pranav K Chaturvedi1, Kulpreet Bhui, Yogeshwer Shukla

  • 1Proteomics Laboratory, Industrial Toxicology Research Centre, Environmental Carcinogenesis Division, P.O. Box 80, M.G. Marg, Lucknow 226001, India.

Cancer Letters
|March 25, 2008
PubMed
Summary

Lupeol, a natural compound from fruits, shows promise for cancer prevention. Further research is needed to establish its role in chemoprevention and develop new anti-cancer drugs.

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Area of Science:

  • Natural product chemistry
  • Cancer chemoprevention research
  • Pharmacology

Background:

  • Chemoprevention, using natural or synthetic substances to reduce cancer risk, is an emerging medical strategy.
  • Pentacyclic lupane-type triterpenes, like lupeol found in fruits, possess various biological activities.
  • While lupeol shows anti-inflammatory and anti-mutagenic effects, its chemopreventive potential requires extensive investigation.

Purpose of the Study:

  • To review the chemopreventive prospects of lupeol.
  • To identify potential drug targets for lupeol-based chemoprevention.
  • To elucidate the mechanisms underlying lupeol's action.

Main Methods:

  • Literature review of studies on lupeol and its derivatives.
  • Analysis of biological activities and mechanisms of action.
  • Identification of cell cycle regulatory pathways as key targets.

Main Results:

  • Lupeol exhibits diverse biological activities, including anti-inflammatory, anti-arthritic, anti-mutagenic, and anti-malarial properties.
  • Development of lupeol derivatives has led to potent anti-neoplastic agents with improved therapeutic indices.
  • Cell cycle regulatory pathway genes are identified as central targets for lupeol's chemopreventive action.

Conclusions:

  • Lupeol holds significant potential as a chemopreventive agent.
  • Lupeol derivatives represent promising candidates for anti-cancer drug development.
  • Understanding the mechanism of action, particularly involving cell cycle regulation, is crucial for advancing lupeol-based chemoprevention.