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PhD Public Seminar: Celso Santos Gonçalves Catumbela, MSc

When & Where

June 20
12:00 PM - 1:00 PM
UTHH McGovern Medical School MSB 3.001 (View in Google Map)

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Event Description

In vivo Examination of Peripheral Drivers of Alzheimer’s Disease

Celso Santos Gonçalves Catumbela, MSc (Advisor: Rodrigo Morales, PhD)

Alzheimer’s disease (AD) is the leading cause of dementia worldwide, and predominantly affects elderly populations. This disease is well known for its effects on the brain, but a wealth of clinical reports show that dementia can also modify, or be modified by, various peripheral and systemic processes. Yet, the pathological contribution of peripheral comorbidities to AD remains to be fully understood. In an attempt to address some knowledge gaps, we characterized the cerebral and peripheral pathology in mice with history of either liver injury or sepsis. In the former subjects, we found that even in the absence of genetic risk factors for AD, elderly mice submitted to recurrent hepatotoxicity since an adult age display memory impairment congruent with persistent, but not robust deleterious changes to AD-relevant regulators in the brain and periphery. In another study, our evaluation of septic AD mice revealed a worsened progression and severity of cognitive decline, neuropathology, and various gut-brain axis modulators. Altogether, this dissertation work crucially advances knowledge of two seldom examined potential risk factors for AD.

Advisory Committee:

  • Rodrigo Morales, PhD, Chair
  • Jaroslaw Aronowski, MD, PhD
  • Cameron Jeter, PhD
  • Rodrigo Hasbun, MD, MPH
  • Kevin Morano, PhD

Join via Zoom

Meeting ID: 917 2221 0656

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In vivo Examination of Peripheral Drivers of Alzheimer’s Disease

Celso Santos Gonçalves Catumbela, MSc (Advisor: Rodrigo Morales, PhD)

Alzheimer’s disease (AD) is the leading cause of dementia worldwide, and predominantly affects elderly populations. This disease is well known for its effects on the brain, but a wealth of clinical reports show that dementia can also modify, or be modified by, various peripheral and systemic processes. Yet, the pathological contribution of peripheral comorbidities to AD remains to be fully understood. In an attempt to address some knowledge gaps, we characterized the cerebral and peripheral pathology in mice with history of either liver injury or sepsis. In the former subjects, we found that even in the absence of genetic risk factors for AD, elderly mice submitted to recurrent hepatotoxicity since an adult age display memory impairment congruent with persistent, but not robust deleterious changes to AD-relevant regulators in the brain and periphery. In another study, our evaluation of septic AD mice revealed a worsened progression and severity of cognitive decline, neuropathology, and various gut-brain axis modulators. Altogether, this dissertation work crucially advances knowledge of two seldom examined potential risk factors for AD.

Advisory Committee:

  • Rodrigo Morales, PhD, Chair
  • Jaroslaw Aronowski, MD, PhD
  • Cameron Jeter, PhD
  • Rodrigo Hasbun, MD, MPH
  • Kevin Morano, PhD

Join via Zoom

Meeting ID: 917 2221 0656

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