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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...
Preventive Healthcare Services01:30

Preventive Healthcare Services

Preventive healthcare services keep people healthy via frequent check-ups, screening, and counseling. They primarily aid in disease prevention rather than treating an acute or chronic illness. Preventive treatment also keeps individuals productive and energetic, allowing them to work well into their retirement years. Examples of preventive care services include:
Cancer Vaccines01:30

Cancer Vaccines

Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Levels of Health Promotion and Illness Prevention01:26

Levels of Health Promotion and Illness Prevention

Health promotion allows a person to control the determinants of health, resulting in an improved health status. It enhances the quality of life and reduces premature deaths. Health promotion and illness prevention programs help people make beneficial choices to reduce the risk of disease and disabilities. There are three health promotion and illness prevention levels: primary, secondary, and tertiary prevention.
In primary prevention, actions taken before disease onset prevent the disease from...
Cancer Survival Analysis01:21

Cancer Survival Analysis

Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...

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Related Experiment Video

Updated: Jul 11, 2026

Intraductal Delivery and X-ray Visualization of Ethanol-Based Ablative Solution for Prevention and Local Treatment of Breast Cancer in Mouse Models
13:43

Intraductal Delivery and X-ray Visualization of Ethanol-Based Ablative Solution for Prevention and Local Treatment of Breast Cancer in Mouse Models

Published on: April 1, 2022

Breast cancer prevention.

J Russo1, G Balogh, I H Russo

  • 1Breast Cancer Research Laboratory, Fox Chase Cancer Center, Philadelphia, PA, USA.

Climacteric : the Journal of the International Menopause Society
|October 27, 2007
PubMed
Summary
This summary is machine-generated.

Early first full-term pregnancy creates a genomic signature in breast tissue, reducing cancer susceptibility. This signature, identified through gene expression and protein analysis, marks a shift from cancer-prone to cancer-refractory stem cells.

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X-Ray Visualization of Intraductal Ethanol-Based Ablative Treatment for Prevention of Breast Cancer in Rat Models
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X-Ray Visualization of Intraductal Ethanol-Based Ablative Treatment for Prevention of Breast Cancer in Rat Models

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Changes in Mammary Gland Morphology and Breast Cancer Risk in Rats
09:36

Changes in Mammary Gland Morphology and Breast Cancer Risk in Rats

Published on: October 16, 2010

Related Experiment Videos

Last Updated: Jul 11, 2026

Intraductal Delivery and X-ray Visualization of Ethanol-Based Ablative Solution for Prevention and Local Treatment of Breast Cancer in Mouse Models
13:43

Intraductal Delivery and X-ray Visualization of Ethanol-Based Ablative Solution for Prevention and Local Treatment of Breast Cancer in Mouse Models

Published on: April 1, 2022

X-Ray Visualization of Intraductal Ethanol-Based Ablative Treatment for Prevention of Breast Cancer in Rat Models
12:57

X-Ray Visualization of Intraductal Ethanol-Based Ablative Treatment for Prevention of Breast Cancer in Rat Models

Published on: December 9, 2022

Changes in Mammary Gland Morphology and Breast Cancer Risk in Rats
09:36

Changes in Mammary Gland Morphology and Breast Cancer Risk in Rats

Published on: October 16, 2010

Area of Science:

  • Oncology
  • Genomics
  • Preventive Medicine

Background:

  • Breast cancer susceptibility is linked to stem cell populations.
  • Early pregnancy induces protective genomic changes in breast tissue.
  • Identifying biomarkers for cancer risk reduction is crucial.

Purpose of the Study:

  • To identify the genomic signature associated with early pregnancy-induced breast cancer risk reduction.
  • To characterize the cellular and molecular changes in breast tissue after early pregnancy.
  • To explore the potential of this signature as a biomarker and therapeutic target.

Main Methods:

  • Case-control study comparing gene expression profiles in normal breast tissue.
  • Analysis of genomic signatures in nulliparous and parous postmenopausal women.
  • ELISA assay to detect signature-related proteins in plasma.

Main Results:

  • Early first full-term pregnancy induces a specific genomic signature (Stem Cell 2) in postmenopausal breast tissue.
  • This signature is associated with a shift from cancer-susceptible (Stem Cell 1) to cancer-refractory stem cells.
  • Proteins encoded by the signature genes were detected in plasma.

Conclusions:

  • The genomic signature of early pregnancy serves as a biomarker for reduced breast cancer risk.
  • This represents a novel preventive strategy, distinct from traditional chemoprevention.
  • Clinical trials are underway to validate recombinant human chorionic gonadotropin (r-hCG) for inducing this protective signature.