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Related Concept Videos

Skin Cancer01:30

Skin Cancer

5.6K
Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
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Pigmentation01:19

Pigmentation

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The color of the skin is influenced by a number of pigments, including melanin, carotene, and hemoglobin. Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis. The melanin is transferred to the keratinocytes via melanosomes.
Melanin occurs in two primary forms: eumelanin that provides black and brown pigment and pheomelanin that provides red color. Dark-skinned individuals produce more melanin than those with pale...
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Mutations01:35

Mutations

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Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
Chromosomal Alterations Are Large-Scale Mutations
While point mutations are changes in a single nucleotide in...
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Cancer Prevention02:59

Cancer Prevention

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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...
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Nucleotide Excision Repair01:38

Nucleotide Excision Repair

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DNA Distortion and Damage
Cells are regularly exposed to mutagens—factors in the environment that can damage DNA and generate mutations. UV radiation is one of the most common mutagens and is estimated to introduce a significant number of changes in DNA. These include bends or kinks in the structure, which can block DNA replication or transcription. If these errors are not fixed, the damage can cause mutations, which in turn can result in cancer or disease depending on which sequences are...
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Nucleotide Excision Repair01:08

Nucleotide Excision Repair

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Overview
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Related Experiment Video

Updated: Dec 13, 2025

Pharmacologic Induction of Epidermal Melanin and Protection Against Sunburn in a Humanized Mouse Model
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Pharmacologic Induction of Epidermal Melanin and Protection Against Sunburn in a Humanized Mouse Model

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Skin Cancer Epidemiology and Sun Protection Behaviors Among Native Americans

M E Logue, A Smidt, M Berwick

    Journal of Drugs in Dermatology : JDD
    |July 28, 2020
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    Summary
    This summary is machine-generated.

    This study examines skin cancer epidemiology and sun protection behaviors among Native Americans. Findings highlight the need to address healthcare disparities in sun safety for American Indians.

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    Area of Science:

    • Dermatology
    • Public Health
    • Epidemiology

    Background:

    • The study addresses sun protection behaviors among American Indians (AIs) based on prior research.
    • It highlights the University of New Mexico's commitment to improving healthcare access for New Mexican AIs.

    Discussion:

    • Focuses on understanding skin cancer epidemiology within the AI population.
    • Emphasizes the importance of sun protection behaviors in preventing skin cancer.

    Key Insights:

    • Identifies gaps in current knowledge regarding AI sun protection.
    • Underscores the need for culturally relevant interventions.

    Outlook:

    • Aims to inform strategies for reducing skin cancer disparities among AIs.
    • Promotes equitable access to dermatological care and sun safety education.