Model Organisms News and Research

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Krill oil rewires global gene expression programs and promotes healthy aging

A new research paper was published in Aging (listed as "Aging (Albany NY)" by MEDLINE/PubMed and "Aging-US" by Web of Science) Volume 14, Issue 21, entitled, "Krill oil protects dopaminergic neurons from age-related degeneration through temporal transcriptome rewiring and suppression of several hallmarks of aging."

24 Nov 2022

Researchers identify best methods to study resting state of the brain in marmosets

A team led by researchers from Tokyo Metropolitan University have identified the best methods to study the resting state of the brain in marmosets using functional MRI.

21 Nov 2022

Study shows the importance of preserving microglia and Sirt1 functional efficiency for longevity

A new research paper was published in Aging (listed as "Aging (Albany NY)" by MEDLINE/PubMed and "Aging-US" by Web of Science) Volume 14, Issue 20, entitled, "Age-associated changes in microglia activation and Sirtuin-1- chromatin binding patterns."

11 Nov 2022

High-quality reference genome assembly of the Nile rat facilitates diabetes research

Model organisms are essential for biomedical research and have enabled many important scientific discoveries. The ability to sequence the genomes of these models is a powerful tool to study the genetic factors that impact human health.

9 Nov 2022

Coral genome reveals an alternative pathway for cysteine biosynthesis

Model animals, such as mice and fruit flies, have provided scientists with powerful insights into how cellular biology works. However, model animals are really just a guide, and it can be risky to generalize findings across animals from studying a selection of model organisms.

23 Sep 2022

Study investigates link between plasma miRNAs and cognitive function among cognitively normal men

A new research paper was published on the cover of Aging (listed as "Aging (Albany NY)" by Medline/PubMed and "Aging-US" by Web of Science) Volume 14, Issue 17, entitled, "Extracellular microRNA and cognitive function in a prospective cohort of older men: The Veterans Affairs Normative Aging Study."

15 Sep 2022

Biological effects of nanoplastics in paints

A recent study analyzed paint composition and its biological properties, as paints release polymers and particles into the environment.

24 Aug 2022

The eyes of mutant zebrafish help understand the role of a protein in preventing cell death

Around 15 years ago, a group of researchers discovered mutant zebrafish. The eyes of these zebrafish did not develop correctly, resulting in them being significantly smaller than the eyes of wild zebrafish.

9 Aug 2022

Locusts can differentiate between cancer cells and healthy cells, research shows

Researchers at Michigan State University have shown that locusts can not only "smell" the difference between cancer cells and healthy cells, but they can also distinguish between different cancer cell lines.

5 Aug 2022

Novel age predictor helps investigate heterogeneity in brain aging

A new research paper was published in Aging (abbreviated as "Aging (Albany NY)" by Medline/PubMed and as "Aging-US" by Web of Science) on the cover of Volume 14, Issue 14, entitled, "Aging the brain: multi-region methylation principal component based clock in the context of Alzheimer's disease."

3 Aug 2022

Study investigates the combined effects of aging and HIV-1 Tat expression in mice

A new research paper was published in Aging ("Aging (Albany NY)" by Medline/PubMed, "Aging-US" by Web of Science) Volume 14, Issue 13, entitled, "Age-related neuroendocrine, cognitive, and behavioral co-morbidities are promoted by HIV-1 Tat expression in male mice."

29 Jul 2022

Two UTHSC research teams receive CORNET Awards for novel projects

Two research teams at the University of Tennessee Health Science Center (UTHSC) have been awarded the 2022 UTHSC Collaborative Research Network (CORNET)-Functional Genomics Award. Each team will receive $50,000 to support their novel projects.

22 Jul 2022

Wistar scientists reveal a novel ADAR1-SIRT1-p16INK4a axis in regulating cellular senescence

Aging and age-related disorders pose a complex challenge to the biomedical research community. To better understand how senescence is regulated is of high significance to promote healthy aging and treat age-associated disorders.

18 Jul 2022

Biologists shed light on the evolution and consequences of selfish genetic elements

The human genome is littered with "selfish genetic elements," which do not seem to benefit their hosts, but instead seek only to propagate themselves.

6 Jul 2022

New study investigates the epigenetic drift of time passing

A new research paper was published in Aging (Aging-US) on the cover of Volume 14, Issue 12, entitled, "Time makes histone H3 modifications drift in mouse liver."

30 Jun 2022

Three-dimensional microscope data reveals an expanded network of interneurons in the human brain

The analysis of the human brain is a central goal of neuroscience. However, for methodological reasons, research has largely focused on model organisms, in particular the mouse.

23 Jun 2022

Study highlights the positive effects of Humanin G in reducing inflammation in AMD

A new research paper was published in Aging (Aging-US) on the cover of Volume 14, Issue 10, entitled, "Effect of Humanin G (HNG) on inflammation in age-related macular degeneration (AMD)."

31 May 2022

Scientists discover a new role for protein complex at the center of Bardet-Biedl syndrome

Scientists have identified a new role for a protein complex at the center of a human genetic disorder called Bardet-Biedl syndrome, or BBS, for which there is currently no cure.

31 May 2022

A review on the hallmarks of cancer and aging

Dr. Mikhail Blagosklonny published his new review paper in Aging (Aging-US) Volume 14, Issue 9, entitled, "Hallmarks of cancer and hallmarks of aging."

18 May 2022

Researchers find gene that shapes mutation rate in mice

Every organism is born with a few mutations in their genome that differ genetically from both of their parents.

11 May 2022