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Full-Text Articles in Physiology

Lipopolysaccharide‐Induced Inflammation Does Not Alter Muscle Spindle Afferent Mechanosensation Or Sensory Integration In The Spinal Cord Of Adult Mice, Dasha Zaytseva, Anusha Allawala, Joy Franco, Shea Putnam, Adam Abtahie, Nina Bubalo, Connor Criddle, Tuan Nguyen, Peter Nguyen, Shreejit Padmanabhan, Puneet Sanghera, Martina Bremer, Tzvia Abramson, Katherine A. Wilkinson Sep 2018

Lipopolysaccharide‐Induced Inflammation Does Not Alter Muscle Spindle Afferent Mechanosensation Or Sensory Integration In The Spinal Cord Of Adult Mice, Dasha Zaytseva, Anusha Allawala, Joy Franco, Shea Putnam, Adam Abtahie, Nina Bubalo, Connor Criddle, Tuan Nguyen, Peter Nguyen, Shreejit Padmanabhan, Puneet Sanghera, Martina Bremer, Tzvia Abramson, Katherine A. Wilkinson

Faculty Publications, Biological Sciences

Inflammation is known to alter nervous system function, but its effect on muscle spindle afferent mechanosensation and sensory integration in the spinal cord has not been well studied. We tested the hypothesis that systemic inflammation induced by an intraperitoneal injection of the endotoxin lipopolysaccharide (LPS; 7.5 × 105 endotoxin units/kg 18 h before experiment) would alter muscle spindle afferent mechanosensation and spinal cord excitability to Group Ia input in male and female adult C57Bl/6 mice. LPS injection caused a systemic immune response, evidenced by decreased white blood cell, monocyte, and lymphocyte concentrations in the blood, increased blood granulocyte concentration, and …


Diet Induced Obesity Alters Muscle Spindle Afferent Function In Adult Mice, Lubayna Elahi, Krystle Shamai, Adam Abtahie, Adam Cai, Shreejit Padmanabhan, Martina Bremer, Katherine A. Wilkinson May 2018

Diet Induced Obesity Alters Muscle Spindle Afferent Function In Adult Mice, Lubayna Elahi, Krystle Shamai, Adam Abtahie, Adam Cai, Shreejit Padmanabhan, Martina Bremer, Katherine A. Wilkinson

Faculty Publications, Biological Sciences

Populations with obesity are more likely to fall and exhibit balance instability. The reason for this is likely multifactorial, but there is some evidence that sensory function is impaired during obesity. We tested the hypothesis that muscle proprioceptor function is compromised in a mouse model of diet induced obesity. An in vitro muscle-nerve preparation was used to record muscle spindle afferent responses to physiological stretch and sinusoidal vibration. We compared the responses of C57/Bl6 male and female mice on a control diet (10% kcal fat) with those eating a high fat diet (HFD; 60% kcal fat) for 10 weeks (final …


Developmental Ethanol Exposure Causes Reduced Feeding And Reveals A Critical Role For Neuropeptide F In Survival, Amanda Guevara, Hillary Gates, Brianna Urbina, Rachael French Mar 2018

Developmental Ethanol Exposure Causes Reduced Feeding And Reveals A Critical Role For Neuropeptide F In Survival, Amanda Guevara, Hillary Gates, Brianna Urbina, Rachael French

Faculty Publications, Biological Sciences

Food intake is necessary for survival, and natural reward circuitry has evolved to help ensure that animals ingest sufficient food to maintain development, growth, and survival. Drugs of abuse, including alcohol, co-opt the natural reward circuitry in the brain, and this is a major factor in the reinforcement of drug behaviors leading to addiction. At the junction of these two aspects of reward are alterations in feeding behavior due to alcohol consumption. In particular, developmental alcohol exposure (DAE) results in a collection of physical and neurobehavioral disorders collectively referred to as Fetal Alcohol Spectrum Disorder (FASD). The deleterious effects of …


Incidence Of Second Malignancy In Patients With Papillary Thyroid Cancer From Surveillance, Epidemiology, And End Results 13 Dataset, Mayumi Endo, Jessica Liu, Marcelle Dougan, Jennifer Lee Jan 2018

Incidence Of Second Malignancy In Patients With Papillary Thyroid Cancer From Surveillance, Epidemiology, And End Results 13 Dataset, Mayumi Endo, Jessica Liu, Marcelle Dougan, Jennifer Lee

Faculty Publications

Increased risk of second primary malignancy (SPM) in papillary thyroid cancer (PTC) has been reported. Here, we present the most updated incidence rates of second primary malignancy from original diagnosis of PTC by using the data from the Surveillance, Epidemiology, and End Results. In this cohort, 3,200 patients developed SPM, a substantially higher number than in the reference population of 2,749 with observed to expected ratio (O/E) of 1.16 (95% CI; 1.12–1.21). Bone and joint cancer had the highest O/E ratio of 4.26 (95% confidence interval [CI] 2.33–7.15) followed by salivary gland (O/E 4.15; 95% CI 2.76–6.0) and acute lymphocytic …