Articles that explore the connection between epigenetics and diseases and disorders, including cancer, cardiovascular disease, diabetes, autoimmune disease, and more.

Parenteral Nutrition May Alter Epigenetic Marks in Infant Guinea Pigs

August 4, 2020 Brandon Eudy

Parenteral nutrition (PN) is a means of administering intravenous nutrition to critically ill patients or individuals who cannot otherwise consume food through the normal oral route. Although PN is a critical part of patient care in many clinical situations, it must be carefully administered to avoid harmful side effects. Infants may be especially vulnerable to complications caused by receiving suboptimal PN due to having specific nutrient requirements for growth and development. One other concern with PN mixtures is that they [more…]

Bisphenol A Can Reprogram Liver’s Epigenome and Result in Disease in Rats

July 7, 2020 Sadman Sakib

There has been growing literature that suggests how environmental chemical exposure can lead to birth defects but the majority of the studies are association based. A fraction of those studies have shown how ambient chemical exposure affects insulin sensitivity and lipid metabolism1  or affecting gut-microbiota2. But how early life chemical exposure can affect epigenetics—or change the epigenome and drive the effect till later life was missing. A new study published recently in Nature Communication by Dr. Lindsey Treviño and her [more…]

New Drug Targets Epigenetic Mark, May Help Treat Rare Cancer

June 23, 2020 Danton Ivanochko

In 2020, the FDA approved Epizyme’s drug tazemetostat (Brand name: Tazverik) to treat a rare type of solid tumor called epithelioid sarcoma. Tazemetostat targets the epigenetic enzyme EZH2, which is strongly linked to several cancer types. Now, Epizyme is seeking accelerated approval for tazemetostat to treat a common form of blood cancer called follicular lymphoma, and has clinical trials running for several additional cancer types. Cancer is a genetic disease that causes unrestrained cell proliferation. Typically, chemotherapies treat cancer by [more…]

Betaine Intake During Pregnancy May Epigenetically Effect Transcription

May 26, 2020 Brandon Eudy

Betaine is a methyl-donor nutrient that can be obtained through the diet and is especially rich in spinach, beets, and whole-wheat foods. Alternatively, betaine can be synthesized from choline obtained through other dietary sources. Methyl donor nutrients provide precursors for methyl groups used in important biological processes including methyltransferase enzymes which regulate DNA methylation. There is currently great interest in better understanding how dietary methyl donors can effect epigenetics, and whether changes in DNA methylation can be carried from generation [more…]

Epigenetics Could Explain Why COVID-19 Affects People Differently

May 12, 2020 Fanni Daniella Szakal

Disclaimer: One of the reference papers has not yet been peer-reviewed. The COVID-19 pandemic spread around the globe in a matter of months, leaving devastating human health and economic consequences in its wake. From a viral point of view, this incredible success is the result of a careful balance between its deadliness and contagiousness. While the number of deaths is nearing the 300,000 mark as of May 2020, many who are infected show only mild symptoms or no symptoms at [more…]

Premature Birth Can Leave Epigenetic Marks on Child’s DNA

May 6, 2020 Andrea P

According to the World Health Organization (WHO), the annual figure for preterm births is 15 million babies, which is somewhere in between 5% and 10% of all births worldwide. These babies are born before 37 weeks’ gestation, and are known to be at higher risk for health complications at birth that include: respiratory issues, eye problems, and even neurodevelopmental disorders. But what are the specific molecular mechanisms that drive these health problems? After all, once born, premature babies are given [more…]

Epigenetic Marks May Regulate Liver Disease

April 21, 2020 Brandon Eudy

Nonalcoholic fatty liver disease (NAFLD) is an increasingly alarming health problem in the United States where it is estimated that up to 30% of the population has a fatty liver. Approximately 10% of NAFLD patients will progress in disease severity leading to inflammation and fibrosis and eventually more serious consequences such as cirrhosis or liver cancer. Better understanding the molecular and epigenetic changes in the liver driving disease progression could lead to better treatments. Understanding how DNA methylation is altered [more…]

Epigenetic Marker in Blood May Help Detect Alzheimer’s

April 14, 2020 Andrea P

According to the Alzheimer’s Association, 47 million people worldwide are living with Alzheimer’s. But since it can take 20 years for brain changes to accumulate into the symptoms that lead to diagnosis, effective intervention can be difficult. Even diagnosis itself poses a challenge, with only one out of every four people suffering from Alzheimer’s actually receiving a diagnosis. This is why scientists have been looking to find anything they can leverage to help pinpoint which patients are more likely to have [more…]

Insight Into the Inheritance of Epigenetic Marks

April 3, 2020 Andrea P

An individual’s DNA contains the sequence of nucleotide bases that provide instructions for how every cell in their body is to develop and differentiate. When DNA is read, its instructions are followed to guide the development of cells, allowing genes to be “expressed”. Scientists are actively working to map out the cellular signaling pathways that determine how DNA is differentially expressed, as well as the things that could go wrong, which could ultimately end up in disease. But there’s an added [more…]

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