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Articles 571 - 600 of 4162
Full-Text Articles in Entire DC Network
Oncostatin M Induces Lipolysis And Suppresses Insulin Response In 3t3-L1 Adipocytes, Jennifer L. Bailey, Hardy Hang, Anik Boudreau, Carrie M. Elks
Oncostatin M Induces Lipolysis And Suppresses Insulin Response In 3t3-L1 Adipocytes, Jennifer L. Bailey, Hardy Hang, Anik Boudreau, Carrie M. Elks
Division of Basic Science Faculty Publications
Oncostatin M (OSM) is an immune cell-derived cytokine that is upregulated in adipose tissue in obesity. Upon binding its receptor (OSMR), OSM induces the phosphorylation of the p66 subunit of Src homology 2 domain-containing transforming protein 1 (SHC1), called p66Shc, and activates the extracellular signal-related kinase (ERK) pathway. Mice with adipocyte-specific OSMR deletion (OsmrFKO) are insulin resistant and exhibit adipose tissue inflammation, suggesting that intact adipocyte OSM–OSMR signaling is necessary for maintaining adipose tissue health. How OSM affects specific adipocyte functions is still unclear. Here, we examined the effects of OSM on adipocyte lipolysis. We treated 3T3-L1 adipocytes with OSM, …
Hyperactivity Of A Midbrain Dopamine To 5-Ht Circuit Causes Anorexia, Hailan Liu, Xing Cai, Yanlin He, Yong Xu
Hyperactivity Of A Midbrain Dopamine To 5-Ht Circuit Causes Anorexia, Hailan Liu, Xing Cai, Yanlin He, Yong Xu
Division of Basic Science Faculty Publications
No abstract provided.
A D2 To D1 Shift In Dopaminergic Inputs To Midbrain 5-Ht Neurons Causes Anorexia In Mice, Xing Cai, Hailan Liu, Bing Feng, Meng Yu, Yang He, Hesong Liu, Chen Liang, Yongjie Yang, Longlong Tu, Nan Zhang, Lina Wang, Na Yin, Junying Han, Zili Yan, Chunmei Wang, Pingwen Xu, Qi Wu, Qingchun Tong, Yanlin He, Yong Xu
A D2 To D1 Shift In Dopaminergic Inputs To Midbrain 5-Ht Neurons Causes Anorexia In Mice, Xing Cai, Hailan Liu, Bing Feng, Meng Yu, Yang He, Hesong Liu, Chen Liang, Yongjie Yang, Longlong Tu, Nan Zhang, Lina Wang, Na Yin, Junying Han, Zili Yan, Chunmei Wang, Pingwen Xu, Qi Wu, Qingchun Tong, Yanlin He, Yong Xu
Division of Basic Science Faculty Publications
Midbrain dopamine (DA) and serotonin (5-HT) neurons regulate motivated behaviors, including feeding, but less is known about how these circuits may interact. In this study, we found that DA neurons in the mouse ventral tegmental area bidirectionally regulate the activity of 5-HT neurons in the dorsal raphe nucleus (DRN), with weaker stimulation causing DRD2-dependent inhibition and overeating, while stronger stimulation causing DRD1-dependent activation and anorexia. Furthermore, in the activity-based anorexia (ABA) paradigm, which is a mouse model mimicking some clinical features of human anorexia nervosa (AN), we observed a DRD2 to DRD1 shift of DA neurotransmission on 5-HTDRN neurons, which …
Artemisia Dracunculus L. Ethanolic Extract And An Isolated Component, Dmc2, Ameliorate Inflammatory Signaling In Pancreatic Β-Cells Via Inhibition Of P38 Mapk, Peter Smoak, Susan J. Burke, Thomas M. Martin, Heidi M. Batdorf, Z. Elizabeth Floyd, J. Jason Collier
Artemisia Dracunculus L. Ethanolic Extract And An Isolated Component, Dmc2, Ameliorate Inflammatory Signaling In Pancreatic Β-Cells Via Inhibition Of P38 Mapk, Peter Smoak, Susan J. Burke, Thomas M. Martin, Heidi M. Batdorf, Z. Elizabeth Floyd, J. Jason Collier
Division of Basic Science Faculty Publications
Non-resolving pancreatic islet inflammation is widely viewed as a contributor to decreases in β-cell mass and function that occur in both Type 1 and Type 2 diabetes. Therefore, strategies aimed at reducing or eliminating pathological inflammation would be useful to protect islet β-cells. Herein, we described the use of 2′,4′-dihydroxy-4-methoxydihydrochalcone (DMC2), a bioactive molecule isolated from an ethanolic extract of Artemisia dracunculus L., as a novel anti-inflammatory agent. The ethanolic extract, termed PMI 5011, reduced IL-1β-mediated NF-κB activity. DMC2 retained this ability, indicating this compound as the likely source of anti-inflammatory activity within the overall PMI 5011 extract. We further …
Nams 2021 Utian Translational Science Symposium September 2021, Washington, Dc - >Charting The Path To Health In Midlife And Beyond: The Biology And Practice Of Wellness, Nanette F. Santoro, Helen L. Coons, Samar R. El Khoudary, C. Neill Epperson, Julianne Holt-Lunstad, Hadine Joffe, Sarah H. Lindsey, Kara L. Marlatt, Patti Montella, Gloria Richard-Davis, Bonny Rockette-Wagner, Marcel E. Salive, Cynthia Stuenkel, Rebecca C. Thurston, Nancy Woods, Holly Wyatt
Nams 2021 Utian Translational Science Symposium September 2021, Washington, Dc - >Charting The Path To Health In Midlife And Beyond: The Biology And Practice Of Wellness, Nanette F. Santoro, Helen L. Coons, Samar R. El Khoudary, C. Neill Epperson, Julianne Holt-Lunstad, Hadine Joffe, Sarah H. Lindsey, Kara L. Marlatt, Patti Montella, Gloria Richard-Davis, Bonny Rockette-Wagner, Marcel E. Salive, Cynthia Stuenkel, Rebecca C. Thurston, Nancy Woods, Holly Wyatt
Clinical Research Faculty Publications
Charting the Path to Health in Midlife and Beyond: The Biology and Practice of Wellness was a Translational Science Symposium held on Tuesday, September 21, 2021. Foundational psychosocial and behavioral approaches to promote healthy aging and strategies to disseminate this information were discussed. The following synopsis documents the conversation, describes the state of the science, and outlines a path forward for clinical practice. Wellness, in its broadest sense, prioritizes an orientation toward health, and an embrace of behaviors that will promote it. It involves a journey to improve and maintain physical and mental health and overall well-being to fully engage …
A Qualitative Analysis Of The Remote Food Photography Method And The Automated Self-Administered 24-Hour Dietary Assessment Tool For Assessing Children's Food Intake Reported By Parent Proxy, Traci A. Bekelman, Susan L. Johnson, Rachel I. Steinberg, Corby K. Martin, Katherine A. Sauder, Sophie Luckett-Cole, Deborah H. Glueck, Daniel S. Hsia, Dana Dabelea, P. B. Smith, K. L. Newby, D. K. Benjamin
A Qualitative Analysis Of The Remote Food Photography Method And The Automated Self-Administered 24-Hour Dietary Assessment Tool For Assessing Children's Food Intake Reported By Parent Proxy, Traci A. Bekelman, Susan L. Johnson, Rachel I. Steinberg, Corby K. Martin, Katherine A. Sauder, Sophie Luckett-Cole, Deborah H. Glueck, Daniel S. Hsia, Dana Dabelea, P. B. Smith, K. L. Newby, D. K. Benjamin
Clinical Research Faculty Publications
Background: Accuracy and participant burden are two key considerations in the selection of a dietary assessment tool for assessing children's full-day dietary intake. Objective: The aim of this study was to identify barriers experienced by parents and burden when using two technology-based measures of dietary intake to report their child's intake: the Remote Food Photography Method (RFPM) and the Automated Self-Administered 24-hour Dietary Assessment Tool (ASA24). Design: Qualitative, semistructured, focus groups were conducted with parents who served as proxy reporters of their child's dietary intake using the two different dietary assessment methods (ie, RFPM and ASA24) 1 week apart. Participants/setting: …
State Of Ex Situ Conservation Of Landrace Groups Of 25 Major Crops, Julian Ramirez-Villegas, Colin K. Khoury, Harold A. Achicanoy, Maria Victoria Diaz, Andres C. Mendez, Chrystian C. Sosa, Zakaria Kehel, Luigi Guarino, Michael Abberton, Jorrel Aunario, Bashir Al Awar, Juan Carlos Alarcon, Ahmed Amri, Noelle L. Anglin, Vania Azevedo, Khadija Aziz, Grace Lee Capilit, Oswaldo Chavez, Dmytro Chebotarov, Denise E. Costich, Daniel G. Debouck, David Ellis, Hamidou Falalou, Albert Fiu, Michel Edmond Ghanem, Peter Giovannini, Alphonse J. Goungoulou, Badara Gueye, Amal Ibn El Hobyb, Ramni Jamnadass, Chris S. Jones, Bienvenu Kpeki, Jae Sung Lee
State Of Ex Situ Conservation Of Landrace Groups Of 25 Major Crops, Julian Ramirez-Villegas, Colin K. Khoury, Harold A. Achicanoy, Maria Victoria Diaz, Andres C. Mendez, Chrystian C. Sosa, Zakaria Kehel, Luigi Guarino, Michael Abberton, Jorrel Aunario, Bashir Al Awar, Juan Carlos Alarcon, Ahmed Amri, Noelle L. Anglin, Vania Azevedo, Khadija Aziz, Grace Lee Capilit, Oswaldo Chavez, Dmytro Chebotarov, Denise E. Costich, Daniel G. Debouck, David Ellis, Hamidou Falalou, Albert Fiu, Michel Edmond Ghanem, Peter Giovannini, Alphonse J. Goungoulou, Badara Gueye, Amal Ibn El Hobyb, Ramni Jamnadass, Chris S. Jones, Bienvenu Kpeki, Jae Sung Lee
Faculty Publications
Crop landraces have unique local agroecological and societal functions and offer important genetic resources for plant breeding. Recognition of the value of landrace diversity and concern about its erosion on farms have led to sustained efforts to establish ex situ collections worldwide. The degree to which these efforts have succeeded in conserving landraces has not been comprehensively assessed. Here we modelled the potential distributions of eco-geographically distinguishable groups of landraces of 25 cereal, pulse and starchy root/tuber/fruit crops within their geographic regions of diversity. We then analysed the extent to which these landrace groups are represented in genebank collections, using …
Sibling Resemblances In Physical Fitness In Three Distinct Regions In Peru: The Peruvian Sibling Study On Growth And Health, Carla Santos, Alcibíades Bustamante, Olga Vasconcelos, Sara Pereira, Rui Garganta, J. Timothy Lightfoot, Go Tani, Donald Hedeker, Peter T. Katzmarzyk, José Maia
Sibling Resemblances In Physical Fitness In Three Distinct Regions In Peru: The Peruvian Sibling Study On Growth And Health, Carla Santos, Alcibíades Bustamante, Olga Vasconcelos, Sara Pereira, Rui Garganta, J. Timothy Lightfoot, Go Tani, Donald Hedeker, Peter T. Katzmarzyk, José Maia
Population and Public Health Science Faculty Publications
We estimated sibling resemblance in health-related physical fitness (PF) and examined how individual characteristics and shared natural environment accounted for sibling similarities. The sample comprised 656 sibling pairs and 102 triplets (6–15 years of age), from three geographical areas of Peru. PF components included morphological (waist circumference, sum of skinfolds), muscular (handgrip strength, standing long jump), and motor (shuttle-run). Body mass index (BMI) and somatic maturation were also assessed. In general, sibling intraclass correlations differed significantly across sib-ship types for waist circumference and handgrip strength but were the same for sum of skinfolds, standing long jump, and shuttle-run. Further, in …
Regional Variation In Growth Status. The Peruvian Health And Optimist Growth Study, Alcibíades Bustamante, Carla Santos, Sara Pereira, Duarte Freitas, Peter T. Katzmarzyk, José Maia
Regional Variation In Growth Status. The Peruvian Health And Optimist Growth Study, Alcibíades Bustamante, Carla Santos, Sara Pereira, Duarte Freitas, Peter T. Katzmarzyk, José Maia
Population and Public Health Science Faculty Publications
Objective: This study aims to (1) investigate differences in weight, body mass index (BMI), and waist circumference (WC) among Peruvian children and adolescents living in three areas located at different altitudes; (2) compare age- and sex-specific height, weight, and BMI within each site with US reference data. Methods: We sampled 8753 subjects (4130 boys), aged 4 to 17 years from sea level, rainforest, and high-altitude. Height, weight, and WC were measured and BMI was calculated. Analysis of variance was used to compare variables across geographic regions, and the Hoff and Blackburn procedure was used to compare the Peruvian results with …
Crossover Food Businesses In Louisiana, United States: A Descriptive Study Of Their Characteristics And Food Safety Training Needs From Public Health Inspectors’ Perspective, Wenqing Xu, Evelyn Watts, Carolyn Bombet, Melissa Cater
Crossover Food Businesses In Louisiana, United States: A Descriptive Study Of Their Characteristics And Food Safety Training Needs From Public Health Inspectors’ Perspective, Wenqing Xu, Evelyn Watts, Carolyn Bombet, Melissa Cater
Faculty Publications
Objectives: Integrating retail and manufacturing enables limitless potential for food businesses, but also creates challenges for navigating within complex food safety regulations. From public health inspectors’ (PHIs) perspective, this study aimed (1) to describe the characteristics of crossover businesses in Louisiana, and (2) to evaluate regulation awareness and food safety education needs for business owners and PHIs who inspect crossover businesses. Methods: A self-administered questionnaire was administered to Louisiana Department of Health PHIs using Qualtrics®. A descriptive analysis was performed, focusing on the frequency of each item. Results: In total, 1774 retailers were conducting or planned to conduct specialized processes, …
A Reappraisal Of Polyploidy Events In Grasses (Poaceae) In A Rapidly Changing World, Acga Cheng, Noraikim Mohd Hanafiah, Jennifer Ann Harikrishna, Niranjan Baisakh, Muhamad Shakirin Mispan, Lim Phaik Eem
A Reappraisal Of Polyploidy Events In Grasses (Poaceae) In A Rapidly Changing World, Acga Cheng, Noraikim Mohd Hanafiah, Jennifer Ann Harikrishna, Niranjan Baisakh, Muhamad Shakirin Mispan, Lim Phaik Eem
Faculty Publications
Around 80% of megaflora species became extinct at the Cretaceous–Paleogene (K–Pg) boundary. Subsequent polyploidy events drove the survival of thousands of plant species and played a significant historical role in the development of the most successful modern cereal crops. However, current and rapid global temperature change poses an urgent threat to food crops worldwide, including the world’s big three cereals: rice, wheat, and maize, which are members of the grass family, Poaceae. Some minor cereals from the same family (such as teff) have grown in popularity in recent years, but there are important knowledge gaps regarding the similarities and differences …
Thinking Inside The Box: The Future Of Young Children's Physical Activity And The Home Environment, Chelsea L. Kracht, Amanda E. Staiano
Thinking Inside The Box: The Future Of Young Children's Physical Activity And The Home Environment, Chelsea L. Kracht, Amanda E. Staiano
Population and Public Health Science Faculty Publications
Parrish et al.‘s (2021) investigation of caregiver perceptions of preschoolers' physical activity (PA) within the home environment posits important opportunities for public policy to consider space and available opportunities for PA for preschoolers. This study uncovered qualitative themes on preschoolers' PA in the home, referencing the use of indoor and outdoor spaces, adaptations within the home, interplay between space and caregiving, and variability in child's PA. This work sparks a discussion into the current understanding of the home environment for preschooler PA and future research directions. We propose three main areas to bring forward physical activity and public health research, …
A Comparison Of The Remote Food Photography Method And The Automated Self-Administered 24-H Dietary Assessment Tool For Measuring Full-Day Dietary Intake Among School-Age Children, Traci A. Bekelman, Corby K. Martin, Susan L. Johnson, Deborah H. Glueck, Katherine A. Sauder, Kylie K. Harrall, Rachel I. Steinberg, Daniel S. Hsia, Dana Dabelea
A Comparison Of The Remote Food Photography Method And The Automated Self-Administered 24-H Dietary Assessment Tool For Measuring Full-Day Dietary Intake Among School-Age Children, Traci A. Bekelman, Corby K. Martin, Susan L. Johnson, Deborah H. Glueck, Katherine A. Sauder, Kylie K. Harrall, Rachel I. Steinberg, Daniel S. Hsia, Dana Dabelea
Clinical Research Faculty Publications
The limitations of self-report measures of dietary intake are well-known. Novel, technology-based measures of dietary intake may provide a more accurate, less burdensome alternative to existing tools. The first objective of this study was to compare participant burden for two technology-based measures of dietary intake among school-age children: the Automated-Self-Administered 24-hour Dietary Assessment Tool-2018 (ASA24-2018) and the Remote Food Photography Method (RFPM). The second objective was to compare reported energy intake for each method to the Estimated Energy Requirement for each child, as a benchmark for actual intake. Forty parent-child dyads participated in two, 3-d dietary assessments: a parent proxy-reported …
Musculoskeletal Markers: A Comparison Of The Influence Of Three Biological Factors On Robusticity, Megan Greene
Musculoskeletal Markers: A Comparison Of The Influence Of Three Biological Factors On Robusticity, Megan Greene
LSU Master's Theses
Research suggests that musculoskeletal markers (MSMs) can provide information about the lives of deceased individuals. The majority of studies focus on single factors that influence the morphology of MSMs in pre-modern societies (i.e., medieval, hunter-gatherers, preindustrial, etc.). This study analyzes MSMs of modern skeletons of 72 females and 83 males from the United States whose ages at death range from 30 to 89 to understand the relationship between various biological factors and MSM morphology. Eight MSMs (attachments of pectoralis major, deltoid, brachialis, supinator, iliopsoas, gluteus maximus, quadriceps, and soleus) were analyzed and categorized as phases zero, one, two, or three …
Development And Characterization Of Physicochemical Properties And Consumer Perception Of Gluten-Free Oat-Based Snack Bars Containing Orange Peel, Andrea R. Muela Negrete
Development And Characterization Of Physicochemical Properties And Consumer Perception Of Gluten-Free Oat-Based Snack Bars Containing Orange Peel, Andrea R. Muela Negrete
LSU Master's Theses
Orange peel (OP) is a major byproduct from orange juice production, and is a good source of fiber and flavonoids, particularly nobiletin. Nobiletin has been reported to exhibit pharmacological activities including anti-inflammation and antioxidation. Incorporating orange peel into food products would harness economic benefit of this industrial byproduct and support a sustainable food chain. This study was performed to evaluate consumer perception of gluten-free oat-based snack bars (GFOSBs) containing orange peel.
In the first study three GFOSBs were formulated to contain 17%, 20%, and 23% orange peel by weight. Consumers (N=103) evaluated GFOSBs for sensory liking (9-point hedonic scale) and …
Re-Evaluation Of Late Season Action Thresholds And The Effect Of Seed Treatments On Early Season Colonization Of Threecornered Alfalfa Hopper, Spissistilus Festinus (Say), In Louisiana Soybean, Glycine Max (L) Merr, Tyler Ray Tagle Musgrove
Re-Evaluation Of Late Season Action Thresholds And The Effect Of Seed Treatments On Early Season Colonization Of Threecornered Alfalfa Hopper, Spissistilus Festinus (Say), In Louisiana Soybean, Glycine Max (L) Merr, Tyler Ray Tagle Musgrove
LSU Master's Theses
Soybean, Glycine max (L.) Merr, is considered the most economically important oil and feed crop in the US and is grown on nearly 35,000,000 ha on an annual basis. Factors that limit yield include weed pressure, disease infection, and of particular interest to entomologists, insect herbivory. Soybean is targeted by a range of above and below ground pests which are primarily controlled by insecticides. Neonicotinoids are a recently popularized insecticide class that when applied as a seed treatment, can provide protection from early season pests. The most economically significant early season pest is threecornered alfalfa hopper, Spissistilus festinus (Say), whose …
Development Of Alternative Materials And Strategies For Enhancing Rice Health, Jobelle S. Bruno
Development Of Alternative Materials And Strategies For Enhancing Rice Health, Jobelle S. Bruno
LSU Master's Theses
Bacterial panicle blight (BPB) and sheath blight (ShB) are economically important diseases of rice (Oryza sativa) in Louisiana and other rice-growing regions around the world. However, there are challenges in the current disease management practices for these diseases. Thus, the main goal of this study is to identify new materials and their application methods that effectively suppress BPB and ShB. To achieve this goal, we evaluated the effect of various materials and application methods against the rice diseases. In 2020 and 2021, various materials, such as ascorbic acid (AA), N-acetylcysteine, chitosan, the avirulent strain of Burkholderia glumae 257sh-1 …
Effect Of Steam Conditioning On Pecan Safety And Quality And Utilization Of Pecan Shell Extract As An Antimicrobial Coating To Maintain The Quality And Safety Of Fresh Produce, Karuna Kharel
LSU Doctoral Dissertations
Pre- and post-harvest practices can pose microbial risk on fresh produce thus, appropriate intervention strategies to inactivate foodborne pathogens without compromising quality is important. The first part of this study investigated the effect of steam conditioning on inactivating Enterococcus faecium, a surrogate for Salmonella enterica, on in-shell pecans; and second part determined the in vitro and in vivo antimicrobial efficacy of pullulan coating incorporated with pecan shell extract on produce. The treatments’ effect on quality of pecans and produce during storage were also evaluated. In-shell pecans inoculated with Enterococcus faecium (7.28±0.17logCFU/g) were treated with steam at 70°C, 80°C …
Nutrient Transporter Gene Expression In The Early Conceptus—Implications From Two Mouse Models Of Diabetic Pregnancy, Claudia Kappen, Claudia Kruger, Sydney Jones, J. Michael Salbaum
Nutrient Transporter Gene Expression In The Early Conceptus—Implications From Two Mouse Models Of Diabetic Pregnancy, Claudia Kappen, Claudia Kruger, Sydney Jones, J. Michael Salbaum
Division of Basic Science Faculty Publications
Maternal diabetes in early pregnancy increases the risk for birth defects in the offspring, particularly heart, and neural tube defects. While elevated glucose levels are characteristic for diabetic pregnancies, these are also accompanied by hyperlipidemia, indicating altered nutrient availability. We therefore investigated whether changes in the expression of nutrient transporters at the conception site or in the early post-implantation embryo could account for increased birth defect incidence at later developmental stages. Focusing on glucose and fatty acid transporters, we measured their expression by RT-PCR in the spontaneously diabetic non-obese mouse strain NOD, and in pregnant FVB/N mouse strain dams with …
Experts’ Views On Issues Affecting Egg Labeling In The United States: A Delphi Study, Rexanna Powers
Experts’ Views On Issues Affecting Egg Labeling In The United States: A Delphi Study, Rexanna Powers
LSU Doctoral Dissertations
When purchasing food, many consumers have reported they question the ethical and humane treatment of products derived from animals at the point of purchase. To complicate this issue further, many U.S. consumers lack exposure, interaction, and involvement with the agricultural industry. As a result, they have reported a willingness to pay premium prices for meats, dairy, and eggs whose packaging suggests quality welfare practices. Therefore, the purpose of this investigation was three-fold: (1) establish operational definitions for poorly understood poultry industry terms, i.e., cage-free, free-range, pasture-raised, and organic; (2) describe experts’ perceptions of the strengths, weaknesses, opportunities, and threats (SWOT) …
Effects Of Experimental Sleep Restriction On Energy Intake, Energy Expenditure, And Visceral Obesity, Naima Covassin, Prachi Singh, Shelly K. Mccrady-Spitzer, Erik K. St Louis, Andrew D. Calvin, James A. Levine, Virend K. Somers
Effects Of Experimental Sleep Restriction On Energy Intake, Energy Expenditure, And Visceral Obesity, Naima Covassin, Prachi Singh, Shelly K. Mccrady-Spitzer, Erik K. St Louis, Andrew D. Calvin, James A. Levine, Virend K. Somers
Clinical Research Faculty Publications
Background: Although the consequences of sleep deficiency for obesity risk are increasingly apparent, experimental evidence is limited and there are no studies on body fat distribution. Objectives: The purpose of this study was to investigate the effects of experimentally-induced sleep curtailment in the setting of free access to food on energy intake, energy expenditure, and regional body composition. Methods: Twelve healthy, nonobese individuals (9 males, age range 19 to 39 years) completed a randomized, controlled, crossover, 21-day inpatient study comprising 4 days of acclimation, 14 days of experimental sleep restriction (4 hour sleep opportunity) or control sleep (9 hour sleep …
Environment And Co-Occurring Native Mussel Species, But Not Host Genetics, Impact The Microbiome Of A Freshwater Invasive Species (Corbicula Fluminea), Marlène Chiarello, Jamie R. Bucholz, Mark Mccauley, Stephanie N. Vaughn, Garrett W. Hopper, Irene Sánchez González, Carla L. Atkinson, Jeffrey D. Lozier, Colin R. Jackson
Environment And Co-Occurring Native Mussel Species, But Not Host Genetics, Impact The Microbiome Of A Freshwater Invasive Species (Corbicula Fluminea), Marlène Chiarello, Jamie R. Bucholz, Mark Mccauley, Stephanie N. Vaughn, Garrett W. Hopper, Irene Sánchez González, Carla L. Atkinson, Jeffrey D. Lozier, Colin R. Jackson
Faculty Publications
The Asian clam Corbicula fluminea (Family: Cyneridae) has aggressively invaded freshwater habitats worldwide, resulting in dramatic ecological changes and declines of native bivalves such as freshwater mussels (Family: Unionidae), one of the most imperiled faunal groups. Despite increases in our knowledge of invasive C. fluminea biology, little is known of how intrinsic and extrinsic factors, including co-occurring native species, influence its microbiome. We investigated the gut bacterial microbiome across genetically differentiated populations of C. fluminea in the Tennessee and Mobile River Basins in the Southeastern United States and compared them to those of six co-occurring species of native freshwater mussels. …
Louisiana Agriculture Spring, 2022, Lsu Agcenter
Louisiana Agriculture Spring, 2022, Lsu Agcenter
Louisiana Agriculture
LSU AgCenter researchers and extension agents are well known for their contributions to rice breeding, horticulture and helping the seafood industry, and examples of this important work are featured in the Louisiana Agriculture spring issue. Another AgCenter program, the Healthy Communities initiative, works throughout the state to improve the healthfulness and well-being of Louisiana residents. The initiative aims to make Louisiana towns healthier places to live, work, learn and play. Three articles in this issue of the magazine detail the activities of the researchers and agents involved in this important work.
Molecular Characterization And Expression Variation Of The Odorant Receptor Co-Receptor In The Formosan Subterranean Termite, Paula Castillo, Claudia Husseneder, Qian Sun
Molecular Characterization And Expression Variation Of The Odorant Receptor Co-Receptor In The Formosan Subterranean Termite, Paula Castillo, Claudia Husseneder, Qian Sun
Faculty Publications
Subterranean termites live in underground colonies with a division of labor among castes (i.e., queens and kings, workers, and soldiers). The function of social colonies relies on sophisticated chemical communication. Olfaction, the sense of smell from food, pathogens, and colony members, plays an important role in their social life. Olfactory plasticity in insects can be induced by long- and short-term environmental perturbations, allowing adaptive responses to the chemical environment according to their physiological and behavioral state. However, there is a paucity of information on the molecular basis of olfaction in termites. In this study, we identified an ortholog encoding the …
Resistance Allele Frequency To Cry1ab And Vip3aa20 In Helicoverpa Zea (Boddie) (Lepidoptera: Noctuidae) In Louisiana And Three Other Southeastern U.S. States, Shucong Lin, Isaac Oyediran, Ying Niu, Sebe Brown, Don Cook, Xinzhi Ni, Yan Zhang, Francis P.F. Reay-Jones, Jeng Shong Chen, Zhimou Wen, Marcelo Dimase, Fangneng Huang
Resistance Allele Frequency To Cry1ab And Vip3aa20 In Helicoverpa Zea (Boddie) (Lepidoptera: Noctuidae) In Louisiana And Three Other Southeastern U.S. States, Shucong Lin, Isaac Oyediran, Ying Niu, Sebe Brown, Don Cook, Xinzhi Ni, Yan Zhang, Francis P.F. Reay-Jones, Jeng Shong Chen, Zhimou Wen, Marcelo Dimase, Fangneng Huang
Faculty Publications
The corn earworm/bollworm, Helicoverpa zea (Boddie), is a pest species that is targeted by both Bacillus thuringiensis (Bt) maize and cotton in the United States. Cry1Ab and Vip3Aa20 are two common Bt toxins that are expressed in transgenic maize. The objective of this study was to determine the resistance allele frequency (RAF) to Cry1Ab and Vip3Aa20 in H. zea populations that were collected during 2018 and 2019 from four southeastern U.S. states: Louisiana, Mississippi, Georgia, and South Carolina. By using a group-mating approach, 104 F2 iso-lines of H. zea were established from field collections with most iso-lines (85) from Louisiana. …
Attenuation Of Maternal Obesity Before And During Pregnancy Restores Pro- Angiogenic Factors And Reduces Pro-Inflammatory Cytokines In The Bph/5 Mouse Model Of Preeclampsia, Brianna Rogers
Honors Capstones
No abstract provided.
Beef Steer Performance On Irrigated Monoculture Legume Pastures Compared With Grass-And Concentrate-Fed Steers, Lance R. Pitcher, Jennifer W. Macadam, Robert E. Ward, Kun Jun Han, Thomas C. Griggs, Xin Dai
Beef Steer Performance On Irrigated Monoculture Legume Pastures Compared With Grass-And Concentrate-Fed Steers, Lance R. Pitcher, Jennifer W. Macadam, Robert E. Ward, Kun Jun Han, Thomas C. Griggs, Xin Dai
Faculty Publications
Fall-or spring-born steers grazed monoculture irrigated birdsfoot trefoil (BFT; Lotus corniculatus L.) or cicer milkvetch (CMV; Astragalus cicer L.) pastures for approximately 12 weeks for 3 years and were compared with steers on concentrate diets. In the 3rd year, an irrigated meadow bromegrass (MBG; Bromus biebersteinii Roem. and Schult.) pasture treatment was added for further comparison. Steer average daily gain (ADG) was 1.31, 0.94, 0.83 and 0.69 kg d−1 on concentrate, ‘Norcen’ BFT, ‘Oberhaunstadter’ BFT, and ‘Monarch’ CMV diets, respectively; ADG on grass pastures was 0.43 kg d−1. The ADG on the concentrate diet was greater than ADG on legume …
Role Of Akr1b10 And Akr1b8 In The Pathogenesis Of Non-Alcoholic Steatohepatitis (Nash) In Mouse, Sangam Rajak, Pratima Gupta, Baby Anjum, Sana Raza, Archana Tewari, Sujoy Ghosh, Madhulika Tripathi, Brijesh K. Singh, Rohit A. Sinha
Role Of Akr1b10 And Akr1b8 In The Pathogenesis Of Non-Alcoholic Steatohepatitis (Nash) In Mouse, Sangam Rajak, Pratima Gupta, Baby Anjum, Sana Raza, Archana Tewari, Sujoy Ghosh, Madhulika Tripathi, Brijesh K. Singh, Rohit A. Sinha
Division of Basic Science Faculty Publications
Non-alcoholic steatohepatitis (NASH) is a clinically important spectrum of non-alcoholic fatty liver disease (NAFLD) in humans. NASH is a stage of NAFLD progression wherein liver steatosis accompanies inflammation and pro-fibrotic events. Presently, there are no approved drugs for NASH, which has become a leading cause of liver transplant worldwide. To discover novel drug targets for NASH, we analyzed a human transcriptomic NASH dataset and found Aldo-keto reductase family 1 member B10 (AKR1B10) as a significantly upregulated gene in livers of human NASH patients. Similarly murine Akr1b10 and Aldo-keto reductase family 1 member B8 (Akr1b8) gene, which is a murine ortholog …
Sympathomimetic Increases Resting Energy Expenditure Following Bariatric Surgery: A Randomized Controlled Clinical Trial, Candida J. Rebello, Frank L. Greenway, Dachuan Zhang, William D. Johnson, Emma Patterson, William Raum
Sympathomimetic Increases Resting Energy Expenditure Following Bariatric Surgery: A Randomized Controlled Clinical Trial, Candida J. Rebello, Frank L. Greenway, Dachuan Zhang, William D. Johnson, Emma Patterson, William Raum
Clinical Research Faculty Publications
Objective: The aim of this study was to test the hypothesis that ephedrine + caffeine (EC) reduces the fall in resting energy expenditure (REE) following bariatric surgery. Methods: This 32-week, randomized, double-blinded, placebo-controlled trial included 142 patients who underwent Roux-en-Y gastric bypass (RYGB) or sleeve gastrectomy (SG) surgery. Participants were randomized to either EC or placebo for 27 weeks, beginning 5 weeks post surgery. The primary end points were change in REE (measured), percentage of predicted REE ([measured REE/Harris-Benedict equation-predicted REE] × 100), and body composition. Secondary outcomes included change in percentage of weight. Adverse events (AEs) were recorded. Results: …
Financial Challenges And Capacity Among African Refugees In The Southern Usa: A Study Of Socio-Demographic Differences, Njeri Kagotho, Jennifer Scott, Mckenzie M. Ketchum, Youn Kyoung Kim, Arati Maleku, Younghee Lim
Financial Challenges And Capacity Among African Refugees In The Southern Usa: A Study Of Socio-Demographic Differences, Njeri Kagotho, Jennifer Scott, Mckenzie M. Ketchum, Youn Kyoung Kim, Arati Maleku, Younghee Lim
Faculty Publications
Refugees’ successful integration into US society requires adaptation to economic, financial and social norms. Despite the importance of considering financial challenges (financial stress and financial anxiety) and financial capacity (financial literacy and financial self-efficacy) in reaching personal financial goals, literature examining the relationship between financial challenges and capacity—critical in refugee resettlement and integration—is sparse and fragmented. This study explored financial challenges and capacity amongst resettled African refugees (N ¼ 130) in the southern USA using data from a larger community-based participatory research study that used a mixed-methods approach. We explored socio-demographic differences in financial stress, financial anxiety, financial literacy and …