Switch to हिंदी

Health, Fitness, Beauty & Diet | Pregnancy & Parenting | Diseases & Home Remedies | TheHealthSite.com

Health, Fitness, Beauty & Diet | Pregnancy & Parenting | Diseases & Home Remedies | TheHealthSite.com

हिंदी
  • Health A-Z
  • Diabetes
  • Diseases
    • Type 1 Diabetes
    • Type 2 Diabetes
    • Cancer
    • Heart Attack
    • Pneumonia
    • Diseases A-Z
  • Diet & Fitness
    • Weight Management
    • Exercise & Body Building
    • Diet & Recipes
    • Yoga
  • Coronavirus
  • News
  • Pregnancy
    • Conceiving
    • Infertility
    • Labour & Delivery
    • Pregnancy week-by-week
    • Breastfeeding
    • Baby Names
  • Beauty
    • Skin
    • Hair
    • Grooming
  • Photos
  • Videos
Home / Health News / Gut bacteria may increase the risk of some breast cancers: Study

Gut bacteria may increase the risk of some breast cancers: Study

A new study has found that gut bacteria may promote some breast cancers. Here’s what you need to know.

By: Arushi Bidhuri   | | Updated: January 7, 2021 4:00 pm
Tags: breast cancer causes  Breast cancer risk  Gut bacteria  
gut bacteria, gut microbe, breast cancer, women’s health, breast cancer causes, breast cancer risk
A new study has found that gut bacteria may promote some breast cancers. Here’s what you need to know.

Breast cancer is a major health concern across the globe. Reports suggest that it is the leading cause of morbidity and mortality among women. It is a disease in which cells in the breast grow out of control. According to the Centers for Disease Prevention and Control (CDC), here are various types of breast cancer, which depends on which cells in the breast turn into cancer. There are many causes that lead to breast cancer. Also Read - Breast cancer in men: Warning signs and symptoms to look out for

A new study published in the journal of Cancer Discovery suggests that a microbe found in the colon and commonly associated with the development of colitis and colon cancer also may play a role in the development of some breast cancers. Also Read - Beware! Dimples on breast could be a sign of breast cancer



As per the study, breast tissue cells exposed to this toxin retain a long-term memory, increasing the risk for disease. In a series of laboratory experiments, researchers discovered that when enterotoxigenic Bacteroides fragilis (ETBF) was introduced to the guts or breast ducts of mice, it always induced growth and metastatic progression of tumour cells. Also Read - Boost health of gut microbe to reduce severity of COVID-19 symptoms

“While microbes are known to be present in body sites such as the gastrointestinal tract, nasal passages and skin, breast tissue was considered sterile until recently,” said senior author Dipali Sharma, Professor of oncology at Johns Hopkins Medicine in the US.

According to the team, additional studies are needed to clarify how ETBF moves throughout the body, whether ETBF can be a sole driver to directly trigger the transformation of breast cells in humans, and/or if other microbiota also have cancer-causing activity for breast tissue.

“Despite multiple established risk factors for breast cancer, such as age, genetic changes, radiation therapy and family history, many breast cancers arise in women harbouring none of these, indicating the need to look beyond,” Sharma said.

“Our study suggests another risk factor, which is the microbiome. If your microbiome is perturbed, or if you harbour toxigenic microbes with the oncogenic function that could be considered an additional risk factor for breast cancer,” she added.

For the study, the team performed several experiments to study the role of ETBF. First, they performed a meta-analysis of clinical data looking at published studies comparing microbial composition among benign and malignant breast tumours and nipple aspirate fluids of breast cancer survivors and healthy volunteers.

B. fragilis was consistently detected in all breast tissue samples as well as the nipple fluids of cancer survivors.
In the lab, the team gave the ETBF bacteria by mouth to a group of mice. First, it colonized the gut. Then, within three weeks, the mouse mammary tissue had observable changes usually present in ductal hyperplasia, a precancerous condition.

Published : January 7, 2021 3:54 pm | Updated:January 7, 2021 4:00 pm
Read Disclaimer

Protective immunity against novel coronavirus may last for over years: Study

Protective immunity against novel coronavirus may last for over years: Study

Olfactory dysfunction and COVID-19: It takes 21.6 days to recover from smell, taste loss, says study

Olfactory dysfunction and COVID-19: It takes 21.6 days to recover from smell, taste loss, says study

Please Wait. Article Loading ....

Coronavirus Updates

Coronavirus Updates

Stay Informed, Be Safe

  • COVID-19 Live Updates: Cases in India surge to 10,595,660 while death toll reaches 1,52,718
  • Obesity, alcohol consumption can lower effectiveness of Covid-19 vaccines
  • Catastrophic moral failure: WHO warns against unequal COVID-19 vaccine distribution
  • Covid-19 vaccine alert: Covishield not advised to those allergic to any of its ingredients
  • Almost 30% of recovered COVID-19 patients develop complications within 5 months, over 12% die

Health Calculators

BMI Calculator
bmi Calculator
Ideal Body Weight
ideal body weight
Daily Calorie Intake
Daily calorie intake
Calories Burned
calories burned

Related Stories

Breast cancer in men: Warning signs and symptoms to look out for

Breast cancer in men: Warning signs and symptoms to look out for

Beware! Dimples on breast could be a sign of breast cancer

Beware! Dimples on breast could be a sign of breast cancer

Boost health of gut microbe to reduce severity of COVID-19 symptoms

Boost health of gut microbe to reduce severity of COVID-19 symptoms

Gut microbiome imbalances influence the likelihood of ‘long Covid’

Gut microbiome imbalances influence the likelihood of ‘long Covid’

Health News in Hindi

Corona Vaccine: बिल्‍कुल कॉमन नहीं है कोरोना वैक्‍सीन के ये 5 साइड इफेक्‍ट, इनके दिखने पर हो जाएं गंभीर

LIVE Covid-19 Live Updates: भारत में कोरोना के मरीजों की संख्या हुई 1,05,95,660 अब तक 1,52,718 लोगों की मौत

कोविड-19 वैक्सीन को लेकर WHO प्रमुख ने दी चेतावनी, कहा- होने वाला है बड़ा नैतिक पतन

Covaxin से साइड इफेक्‍ट हुआ तो भारत बायोटेक देगा मुआवजा, जानिए कितनी मिलेगी राशि

Menopause Symptoms: भूलने की बीमारी और फोकस की कमी हो सकते हैं मेनोपॉज़ के लक्षण, इस मुश्किल दौर में महिलाएं हेल्दी रहने के लिए फॉलो करें ये हेल्थ टिप्स

Read All

Recent Posts

  • COVID-19 Live Updates: Cases in India surge to 10,595,660 while death toll reaches 1,52,718
  • Obesity, alcohol consumption can lower effectiveness of Covid-19 vaccines
  • Green Mediterranean diet could benefit people with non-alcoholic fatty liver disease
  • Eluru-like mysterious illness emerges in Andhra Pradesh’s Pulla village
  • ‘Don’t take Covid-19 vaccine shot if…’: Covaxin company warns people amid concerns

About The health Site

TheHealthSite.com is India's largest health site with more than 40 lakh unique visitors per month. We focus on fitness, beauty, health, pregnancy and more.

Most popular health and wellness website in India in 2012 at the Website of the year awards.

health@corp.india.com
+91 – 22 – 6697 1234
Landline Phone number 91 – 22 – 2490 0302.

ZEE ENTERTAINMENT ENTERPRISES LTD, 18th floor, A-Wing, Marathon Futurex, N. M. Joshi Marg, Lower Parel, Mumbai, Maharashtra 400013.

Useful Links

  • Weight Loss
  • Keto Diet Tips
  • Skin Care Tips
  • Intermittent Fasting
  • Apple Cider Vinegar
  • Ashwagandha
  • Cancer
  • Pneumonia
  • Diarrhoea
  • Dengue
  • Typhoid
  • Tuberculosis
  • Chickenpox
  • Chikungunya
  • Depression
  • Hepatitis
  • Diabetes
  • Type 2 diabetes
  • Arthritis
  • Swine Flu
  • Baby Names
  • Cough and cold
  • Heart Attack
  • Breast Cancer
  • Ebola Virus
  • Dengue
  • Malaria
  • International Yoga Day
  • Hypotension
  • Heart Failure
  • Asthma
  • Brain Tumour
  • Celebrity Fitness
  • Goitre
  • HIV/AIDS

We respect your privacy

  • Disclaimer
  • Privacy Policy
  • Contact Us
  • Author Profiles

Copyright © 2021 Zee Entertainment Enterprises Limited. All rights reserved.