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Black and white portrait by Mariella Bodemeier Loayza Careaga, PhD

Mariella Bodemeier Loayza Careaga, PhD

Mariella joined The Scientist in 2023. Before that, she was a postdoctoral researcher at the Uniformed Services University of the Health Sciences studying sex differences on the effects of chronic stress and traumatic brain injury. Mariella holds a master’s and a PhD in neuroscience from the Universidade Federal de Sao Paulo, Brazil, and a certificate in Science Communication from the University of California, San Diego.

Articles by Mariella Bodemeier Loayza Careaga, PhD
Shielding From Allergies: It’s Not Just About Microbes
Mariella Bodemeier Loayza Careaga, PhD | Feb 7, 2024 | 4 min read
Clean and dirty mice respond similarly to allergens, challenging the idea that reduced microbial exposure is the primary cause behind the uptick in allergies.
a Taenia solium parasite, a human brain, and lines that represent an electroencephalogram (EEG) recording.
How a Parasite Excites the Brain
Mariella Bodemeier Loayza Careaga, PhD | Feb 1, 2024 | 2 min read
Tapeworm larvae may cause seizures by releasing excitatory amino acids into the brain.
The mouse peripheral nervous system with nerve cells farther away from the camera represented in yellow and pink, while nerves closer to the camera are shown in blue tones.
A Glowing Mouse Map
Mariella Bodemeier Loayza Careaga, PhD | Feb 1, 2024 | 2 min read
A whole-body immunostaining method allowed researchers to achieve cellular resolution at the whole-organism level.
A Master Regulator of Gene Expression
Mariella Bodemeier Loayza Careaga, PhD | Jan 31, 2024 | 4 min read
A CRISPR-based screening platform helped scientists identify a transcription factor that makes CAR T cells better at killing cancer cells. 
A Molecular Switch for Bone Loss
Mariella Bodemeier Loayza Careaga, PhD | Jan 23, 2024 | 4 min read
Blocking an abnormally active signaling pathway in skeletal stem and progenitor cells alleviates bone mass decline in middle-aged mice. 
The image shows different people exercising in a gym.
What Happens to Muscles During Exercise?
Mariella Bodemeier Loayza Careaga, PhD | Jan 1, 2024 | 2 min read
Exercise changes our muscles, but its molecular effects depend on the type of exercise. 
Haydeh Payami is wearing a purple dress and an orange and pink scarf and standing in front of a whiteboard.
A Microbial Link to Parkinson’s Disease
Mariella Bodemeier Loayza Careaga, PhD | Dec 4, 2023 | 6 min read
Haydeh Payami helped uncover the genetic basis of Parkinson’s disease. Now, she hopes to find new ways to treat the disease by studying the gut microbiome.
3D illustration of damaged myelin sheath seen in demyelinating diseases such as multiple sclerosis.
Tracking Down Innate Immune Cells in Multiple Sclerosis
Mariella Bodemeier Loayza Careaga, PhD | Dec 4, 2023 | 5 min read
A novel PET tracer targeting a receptor in myeloid cells can help monitor disease progression in a mouse model of multiple sclerosis.
Human lung with viruses
Gut Signals Influence Lung Responses to Infection
Mariella Bodemeier Loayza Careaga, PhD | Nov 1, 2023 | 2 min read
Diet-derived molecules spur a biological mechanism in the lung barriers of mice that prevents viral lung injury.
Genome sequence map concept
Mind the Genome Gap
Mariella Bodemeier Loayza Careaga, PhD | Nov 1, 2023 | 2 min read
Population geneticist Tábita Hünemeier seeks out isolated indigenous groups living in the Brazilian Amazon rainforest to expand understanding of the human genome.
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