Chromosome 6 News and Research

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Humans normally have 46 chromosomes in each cell, divided into 23 pairs. Two copies of chromosome 6, one copy inherited from each parent, form one of the pairs. Chromosome 6 spans about 171 million base pairs (the building blocks of DNA) and represents between 5.5 percent and 6 percent of the total DNA in cells.

Identifying genes on each chromosome is an active area of genetic research. Because researchers use different approaches to predict the number of genes on each chromosome, the estimated number of genes varies. Chromosome 6 likely contains between 1,100 and 1,600 genes.

Genes on chromosome 6 are among the estimated 20,000 to 25,000 total genes in the human genome.

Researchers uncover dozens of traits driven by maternal versus paternal genes

Researchers developed a high-accuracy method to infer whether genetic variants come from the mother or father without needing parental genomes, analysing 286,666 UK Biobank participants. They uncovered over 30 parent-of-origin effects on traits from growth and metabolism to diabetes, many showing opposite effects depending on parental source.

7 Aug 2025

Scientists map the genes behind diet and dementia risk

Researchers established a high-quality genetic dataset from the MIND diet trial, enabling new studies of gene–diet interactions in cognitive health. This resource allows deeper investigation into why individuals respond differently to dietary interventions targeting dementia risk.

6 Aug 2025

Gfi1 regulates exhausted CD8+ T cells to improve cancer immunotherapy

Killer immune cells destroy cancer cells and cells infected by virus. These CD8+ T cells are activated after detection of viral infection or growth of "non-self" tumor cells.

5 Aug 2025

Scientists reveal how rare gene mutations drive schizophrenia risk

Researchers analyzed the largest exome-sequencing dataset to date and identified new rare coding variants and genes linked to schizophrenia risk. The study highlights converging genetic pathways, implicating chromatin organization and GABAergic signaling in schizophrenia neurobiology.

4 Aug 2025

Programmable Chromosome Engineering systems enable precise DNA manipulations

A team of Chinese researchers led by Prof. GAO Caixia from the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences has developed two new genome editing technologies, known collectively as Programmable Chromosome Engineering (PCE) systems.

4 Aug 2025

$5.5 million federal grant funds research to improve measurement of FXTAS treatments

UC Davis Health Professor of Psychiatry and Behavioral Sciences David Hessl will help lead a major research project to develop better ways to measure treatments for fragile X-associated tremor/ataxia syndrome (FXTAS).

31 Jul 2025

Reactivating silent genes offers hope for Rett syndrome treatment

Researchers led by UC Davis Health scientist Sanchita Bhatnagar have developed a promising gene therapy that could treat Rett syndrome.

23 Jul 2025

Study identifies SDR42E1's role in vitamin D pathway

Vitamin D is not only an essential nutrient, but also the precursor of the hormone calcitriol, indispensable for health: it regulates the uptake of phosphate and calcium necessary for bones by the intestines, as well as cell growth and the proper function of muscles, nerve cells, and the immune system.

18 Jul 2025

Van Andel Institute scientists develop improved technique to profile DNA methylation in single cells

Van Andel Institute scientists have developed an improved technique to comprehensively profile DNA methylation in single cells, an advance that will help researchers better study the role of epigenetics in cancer and other diseases.

16 Jul 2025

Genetic links between type 2 diabetes and subcortical brain structure revealed

Recently, the team led by Chief Physician Quan Zhang and Associate Professor Feng Liu at Tianjin Medical University General Hospital systematically evaluated the genetic associations between type 2 diabetes mellitus and subcortical brain structures using large-scale genome-wide association summary statistics and advanced statistical genetic methods.

11 Jul 2025

Psilocybin may have potential to revolutionize anti-aging therapies

As revenues from the anti-aging market-- riddled with hope and thousands of supplements–– surged past $500 million last year, Emory University researchers identified a compound that actively delays aging in cells and organisms.

9 Jul 2025

Novel tool offers a glimpse into the black box of ALT in aggressive cancers

Each time a cell divides, a small section of each chromosome's protective cap - the telomere - is worn away. Most cells use an enzyme called telomerase to help mitigate this loss, but 10% to 15% of cancers have another mechanism called the alternative lengthening of telomeres (ALT) pathway.

4 Jul 2025

Breakthrough AI uncovers promising Rett syndrome treatment

Rett syndrome is a devastating rare genetic childhood disorder primarily affecting girls. Merely 1 out of 10,000 girls are born with it and much fewer boys.

2 Jul 2025

How 50,000 years of ancestry shaped India’s unique disease patterns

Scientists sequenced the genomes of 2,762 individuals across India, revealing the country’s unique ancestral makeup and a wealth of previously undocumented disease-related gene variants. The study highlights how ancient migrations, founder effects, and endogamy have shaped both diversity and disease risk in India.

29 Jun 2025

Proteome imbalance from aneuploidy linked to mitochondrial dysfunction

It has been known for several years that abnormal chromosome numbers lead to protein imbalances in the affected cells. Researchers at RPTU have now investigated the detailed effects of such imbalances.

27 Jun 2025

Using machine learning to map brain aging at the cellular level

In a comprehensive Genomic Press interview, Stanford University researcher Eric Sun reveals how machine learning is revolutionizing our understanding of brain aging at an unprecedented cellular resolution.

24 Jun 2025

New genomic test predicts chemotherapy resistance in cancer patients

Chemotherapy seeks to destroy tumor cells and has been a standard treatment for cancer for decades.

24 Jun 2025

Scientists discover on/off gene switches that could revolutionize personalized medicine

Scientists identified 473 human genes that act as genetic “on/off switches,” shaping disease risk through tissue-specific or universal patterns regulated by DNA changes and hormones. These findings could pave the way for more precise diagnostics and personalized therapies across cancers, immune, skin, and metabolic diseases.

22 Jun 2025

Histone modification involved in chromosome and spindle stabilization in mouse oocytes

The accurate distribution of chromosomes in an oocyte is essential for the correct transmission of genetic information to the next generation.

20 Jun 2025

Study finds high levels of iron in the brains of people diagnosed with Down syndrome and Alzheimer's

Scientists at the USC Leonard Davis School of Gerontology have discovered a key connection between high levels of iron in the brain and increased cell damage in people who have both Down syndrome and Alzheimer's disease.

19 Jun 2025