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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
The Effects Of Oxygen On The Electrophysiology Of Co2/H+-Chemosensitive And -Insensitive Neurons Of The Solitary Complex Of The Rat, Michael Patrick Matott
The Effects Of Oxygen On The Electrophysiology Of Co2/H+-Chemosensitive And -Insensitive Neurons Of The Solitary Complex Of The Rat, Michael Patrick Matott
USF Tampa Graduate Theses and Dissertations
This study tested the hypothesis that decreasing the control O2 level from 95% to 40% (5% CO2 + 55% N2) maintains viability in caudal solitary complex (cSC) neurons in transverse slices (~300-400ꝳ) prepared from neonatal rat (P2-22) maintained at 32-34°C. The underlying rationale is to reduce exposure to redox and nitrosative stimuli generated during several hours of exposure to 95% O2 that produces a tissue O2 tension throughout the slice which is in excess of 203 kPa (2.0 atmospheres absolute,ATA) oxygen. Whole cell recordings of cSC neurons maintained in 40% O2 exhibited spontaneous …
Behavioral And Immunological Phenotypes Of Transgenic Mice Overexpressing Human Secreted Amyloid Precursor Protein Alpha: Implications For Autism, Antoinette R. Bailey
Behavioral And Immunological Phenotypes Of Transgenic Mice Overexpressing Human Secreted Amyloid Precursor Protein Alpha: Implications For Autism, Antoinette R. Bailey
USF Tampa Graduate Theses and Dissertations
Autism is a heterogeneous neurodevelopmental disorder that is characterized by impaired social interaction and communication as well as restricted and repetitive behaviors and focused interests. In addition to the cardinal behavioral characteristics observed for diagnosis, autistic individuals exhibit a number of comorbid conditions as well as a variety of aberrant immunological features. Recent studies report that plasma from autistic children contained elevated levels of secreted amyloid precursor protein alpha (sAPP-á), the á-secretase cleavage product of the amyloid precursor protein (APP) which is ubiquitously expressed in the brain, spleen, thymus and other organs. Interestingly, the sAPP-á fragment functions as a neurotrophic …
Maternal Immune Dysregulation In The Pathogenesis Of Neurodevelopmental Disorders: Interleukin-6 As A Central Mechanism And Therapeutic Target Of Flavonoids, Ellisa Carla Parker-Athill
Maternal Immune Dysregulation In The Pathogenesis Of Neurodevelopmental Disorders: Interleukin-6 As A Central Mechanism And Therapeutic Target Of Flavonoids, Ellisa Carla Parker-Athill
USF Tampa Graduate Theses and Dissertations
Activation of the maternal immune system and resultant maternal cytokine expression due to prenatal infection has been implicated as a significant contributor to the pathology of neuropsychiatric and neurodevelopmental disorders such as schizophrenia and Autism Spectrum Disorder (ASD). Increased maternal interleukin-6 (IL-6) expression, observed clinically and in animal models of prenatal infection, and resultant activation of key signaling pathways, has been shown to be a biological indicator of pathology, and a central component of the pathological mechanism. In animal models of prenatal infection and clinically in pregnancy disorders hallmarked by immunological irregularities and increased IL-6 expression, inhibition of IL-6 has …
The Role Of Epigenetics In Evolution: The Extended Synthesis, Aaron W. Schrey, Christina L. Richards, Victoria Meller, Vincent Sollars, Douglas M. Ruden
The Role Of Epigenetics In Evolution: The Extended Synthesis, Aaron W. Schrey, Christina L. Richards, Victoria Meller, Vincent Sollars, Douglas M. Ruden
Integrative Biology Faculty and Staff Publications
No abstract provided.
Epigenetic Variation May Compensate For Decreased Genetic Variation With Introductions: A Case Study Using House Sparrows (Passer Domesticus) On Two Continents, Aaron W. Schrey, Courtney A. C. Coon, Michael T. Grispo, Mohammed Awad, Titus Imboma, Earl D. Mccoy, Henry R. Mushinsky, Christina L. Richards, Lynn B. Martin
Epigenetic Variation May Compensate For Decreased Genetic Variation With Introductions: A Case Study Using House Sparrows (Passer Domesticus) On Two Continents, Aaron W. Schrey, Courtney A. C. Coon, Michael T. Grispo, Mohammed Awad, Titus Imboma, Earl D. Mccoy, Henry R. Mushinsky, Christina L. Richards, Lynn B. Martin
Integrative Biology Faculty and Staff Publications
Epigenetic mechanisms impact several phenotypic traits and may be important for ecology and evolution. The introduced house sparrow (Passer domesticus) exhibits extensive phenotypic variation among and within populations. We screened methylation in populations from Kenya and Florida to determine if methylation varied among populations, varied with introduction history (Kenyan invasion < 50 years old, Florida invasion ~150 years old), and could potentially compensate for decrease genetic variation with introductions. While recent literature has speculated on the importance of epigenetic effects for biological invasions, this is the first such study among wild vertebrates. Methylation was more frequent in Nairobi, and outlier loci suggest that populations may be differentiated. Methylation diversity was similar between populations, in spite of known lower genetic diversity in Nairobi, which suggests that epigenetic variation may compensate for decreased genetic diversity as a source of phenotypic variation during introduction. Our results suggest that methylation differences may be common among house sparrows, but research is needed to discern whether methylation impacts phenotypic variation.