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Related Concept Videos

Principles of Pharmacogenetics: Types of Genetic Variants01:27

Principles of Pharmacogenetics: Types of Genetic Variants

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The human genome is over 99.9% identical between individuals, yet genetic differences exist at millions of bases. The human genome contains approximately 3 million variant positions per individual, many of which are heterozygous, contributing to genetic diversity and individual traits. Genetic variations include single-nucleotide polymorphisms (SNPs), insertions, deletions, and copy number variations (CNVs).SNPs, the most common variation, involve single-base changes in DNA. These can be...
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Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu01:29

Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu

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Genetic variations significantly influence drug response through pharmacokinetics, receptor interactions, and biologic milieu modifications. Pharmacokinetic alterations impact drug metabolism and clearance, affecting efficacy and toxicity. Variants in drug-metabolizing enzymes, such as CYP2C9 and CYP2C19, alter drug activation and elimination. For example, CYP2C9 loss-of-function variants require lower warfarin doses to prevent excessive bleeding, while CYP2C19 variants reduce clopidogrel...
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Genetic Variation01:25

Genetic Variation

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Genetic variation is the diversity in DNA sequences found among individuals of the same species. This diversity is crucial for a species' survival because it helps organisms adapt to environmental changes. Genetic variation begins with fertilization, where an egg and sperm cell merge. Each of these cells carries 23 chromosomes, up to 46 in the fertilized egg. Chromosomes are long DNA strands that contain genes, the basic units of heredity.
Genes exist in different versions called alleles,...
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Genomic Imprinting and Inheritance02:30

Genomic Imprinting and Inheritance

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Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
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Pharmacogenetics of Drug Metabolism: Overview01:27

Pharmacogenetics of Drug Metabolism: Overview

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Genetic polymorphism in drug metabolism is crucial to the inter-individual variability observed in drug responses. Drug metabolism primarily involves the chemical modification of drugs and other xenobiotics to enhance their elimination by increasing their polarity. Two main classes of enzymes mediate this biotransformation process: Phase I enzymes, primarily cytochrome P450s, catalyze oxidation and reduction reactions, while other enzymes, such as esterases, mediate hydrolysis, and Phase II...
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Dosage Compensation02:50

Dosage Compensation

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In animals, gender is determined by the number and type of sex chromosome. For example, human females have two X chromosomes, and males have one X and one Y chromosome, whereas C.elegans with one X chromosome is a male, and the one with two X chromosomes is a hermaphrodite.
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Related Experiment Video

Updated: Apr 30, 2026

Using Mouse Oocytes to Assess Human Gene Function During Meiosis I
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Gene polymorphisms in female reproduction.

Livio Casarini1, Manuela Simoni

  • 1Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via Universtita 4, Modena, 41121, Italy.

Methods in Molecular Biology (Clifton, N.J.)
|May 1, 2014
PubMed
Summary

Gene variations in ovarian receptors impact female fertility. These polymorphisms are linked to conditions such as infertility, premature ovarian failure, and polycystic ovary syndrome.

Area of Science:

  • Reproductive biology and genetics.

Background:

  • Ovarian receptors play a crucial role in female reproductive functions.
  • Gene polymorphisms can influence receptor activity and contribute to reproductive health issues.

Purpose of the Study:

  • To provide an overview of gene polymorphisms affecting ovarian receptor function.
  • To explore the clinical implications of these polymorphisms on female fecundity.

Main Methods:

  • Review of genetic studies.
  • Analysis of associations between receptor polymorphisms/mutations and pathological conditions.

Main Results:

  • Significant associations found between specific receptor polymorphisms and conditions like female infertility, premature ovarian failure, polycystic ovary syndrome, and endometriosis.

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Related Experiment Videos

Last Updated: Apr 30, 2026

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Using Mouse Oocytes to Assess Human Gene Function During Meiosis I

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Transgenic Rodent Assay for Quantifying Male Germ Cell Mutant Frequency
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A Method to Study the C924T Polymorphism of the Thromboxane A2 Receptor Gene
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Conclusions:

  • Gene polymorphisms in ovarian receptors are clinically relevant to female fecundity.
  • Understanding these genetic factors is important for diagnosing and potentially treating reproductive disorders.