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Full-Text Articles in Dairy Science

Cocoa Polyphenols Modulate The Fecal Microbiome In A Mouse Model Of Colitis, Independent Of Basal Diet And Colon Inflammation, Abby D. Benninghoff Apr 2024

Cocoa Polyphenols Modulate The Fecal Microbiome In A Mouse Model Of Colitis, Independent Of Basal Diet And Colon Inflammation, Abby D. Benninghoff

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Chronic inflammation increases the risk of developing multiple chronic diseases, including cancer. The risk of developing colorectal cancer (CRC) specifically is increased in individuals who suffer from colitis, a characteristic of Inflammatory Bowel Disease (IBD). Diet is another risk factor for developing CRC, particularly an inflammation-promoting Western-type diet. Thus, supplementing a Western diet with functional foods containing anti-inflammatory polyphenols is a potential approach to decreasing CRC risk by reducing gut inflammation and altering gut microbiome profile. This study aimed to determine the effects of cocoa polyphenol (CP) supplementation on inflammation status and microbiome profile before, during, and after colitis when …

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Effects Of Pregnancy And Progesterone On Atrial Fibrillation, Heloisa M. Rutigliano Apr 2023

Effects Of Pregnancy And Progesterone On Atrial Fibrillation, Heloisa M. Rutigliano

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Atrial Fibrillation (AF) is the most common cardiac arrythmia in adults with likely sex-specific risk factors. Female sex hormones may be important in modulating risk for atrial fibrillation. We hypothesize that pregnancy and progesterone (P4), a hormone found in high levels during pregnancy with abrupt withdrawal immediately after parturition, modulates AF susceptibility in female goats. Cardiac specific TGF-?1 transgenic female goats and age-matched wild-type (WT) female goats were utilized. Pacemakers were implanted in all animals for continuous arrhythmia monitoring and AF inducibility. AF inducibility was evaluated using 5 separate 10 s bursts of atrial pacing (160 - 200 ms). In …

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Mice Pups Breastfed By Foster Mothers Whose Breast Milk Contains Plasmodium Falciparum Recombinant Se36 Antigen Develop Specific Antibodies, Margaret Mendi Njoroge, Victor Irungu Mwangi, Tonny Jimmy Owalla, Hastings Ozwara, Thomas G. Egwang Mar 2021

Mice Pups Breastfed By Foster Mothers Whose Breast Milk Contains Plasmodium Falciparum Recombinant Se36 Antigen Develop Specific Antibodies, Margaret Mendi Njoroge, Victor Irungu Mwangi, Tonny Jimmy Owalla, Hastings Ozwara, Thomas G. Egwang

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Intranasal instillation of SE36, a malaria vaccine candidate antigen, in lactating BALB/c strain (derived from the Bagg and albino laboratory inbred mice) female mice resulted in the appearance of the antigen in breast milk as demonstrated by sandwich ELISA and Western blot. Pups born of immunologically naive mice and breastfed on lactating foster mothers exposed intranasally to SE36 developed IgG anti-SE36 antibodies. These data demonstrate that maternal immunization in mice by this route in lactating mothers can result in active immunization of offspring via ingestion of breast milk containing antigen. If confirmed in a nonhuman primate model and in human …

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Comparative Genomic Analysis Of Six Glossina Genomes, Vectors Of African Trypanosomes, Geoffrey M. Attardo, Adly M.M. Abd-Alla, Alvaro Acosta-Serrano, James E. Allen, Rosemary Bateta, Joshua B. Benoit, Kostas Bourtzis, Jelle Caers, Guy Caljon, Mikkel B. Christensen, David W. Farrow, Markus Friedrich, Aurélie Hua-Van, Emily C. Jennings, Denis M. Larkin, Daniel Lawson, Michael J. Lehane, Vasileios P. Lenis, Ernesto Lowy-Gallego, Rosaline W. Macharia, Anna R. Malacrida, Heather G. Marco, Daniel Masiga, Gareth L. Maslen, Irina Matetovici, Richard P. Meisel, Irene Meki, Veronika Michalkova Sep 2019

Comparative Genomic Analysis Of Six Glossina Genomes, Vectors Of African Trypanosomes, Geoffrey M. Attardo, Adly M.M. Abd-Alla, Alvaro Acosta-Serrano, James E. Allen, Rosemary Bateta, Joshua B. Benoit, Kostas Bourtzis, Jelle Caers, Guy Caljon, Mikkel B. Christensen, David W. Farrow, Markus Friedrich, Aurélie Hua-Van, Emily C. Jennings, Denis M. Larkin, Daniel Lawson, Michael J. Lehane, Vasileios P. Lenis, Ernesto Lowy-Gallego, Rosaline W. Macharia, Anna R. Malacrida, Heather G. Marco, Daniel Masiga, Gareth L. Maslen, Irina Matetovici, Richard P. Meisel, Irene Meki, Veronika Michalkova

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Background: Tsetse flies (Glossina sp.) are the vectors of human and animal trypanosomiasis throughout sub-Saharan Africa. Tsetse flies are distinguished from other Diptera by unique adaptations, including lactation and the birthing of live young (obligate viviparity), a vertebrate blood-specific diet by both sexes, and obligate bacterial symbiosis. This work describes the comparative analysis of six Glossina genomes representing three sub-genera: Morsitans (G. morsitans morsitans, G. pallidipes, G. austeni), Palpalis (G. palpalis, G. fuscipes), and Fusca (G. brevipalpis) which represent different habitats, host preferences, and vectorial capacity. Results: Genomic analyses validate established evolutionary relationships and sub-genera. Syntenic analysis of Glossina relative …

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Pathology In Practice - Fascioliasis In A Dahl Sheep, David J. Wilson, T. J. Baldwin, Kerry A. Rood Jan 2015

Pathology In Practice - Fascioliasis In A Dahl Sheep, David J. Wilson, T. J. Baldwin, Kerry A. Rood

Animal, Dairy, and Veterinary Science Faculty Publications

In early fall 2012, a 48-kg (106-lb) sexually intact male Dahl ram in fair body condition was found dead; the owner observed no clinical signs prior to death. The ram was part of a flock of 50 game animals used for high-fence hunting that was moved among pastures in Idaho, Utah, and Montana. The ram was housed primarily on flood-irrigated pasture in common with approximately 170 captive Rocky Mountain elk (Cervus canadensis). The owner reported that 12 other sheep had died over the past year without observed clinical signs, but none were submitted for postmortem examination. Both sheep and elk …

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Aquaporins Are Critical For Provision Of Water During Lactation And Intrauterine Progeny Hydration To Maintain Tsetse Fly Reproductive Success, Joshua B. Benoit, Immo A. Hansen, Geoffrey M. Attardo, Veronika Michalková, Paul O. Mireji, Joel L. Bargul, Lisa L. Drake, Daniel K. Masiga, Serap Aksoy Jan 2014

Aquaporins Are Critical For Provision Of Water During Lactation And Intrauterine Progeny Hydration To Maintain Tsetse Fly Reproductive Success, Joshua B. Benoit, Immo A. Hansen, Geoffrey M. Attardo, Veronika Michalková, Paul O. Mireji, Joel L. Bargul, Lisa L. Drake, Daniel K. Masiga, Serap Aksoy

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Tsetse flies undergo drastic fluctuations in their water content throughout their adult life history due to events such as blood feeding, dehydration and lactation, an essential feature of the viviparous reproductive biology of tsetse. Aquaporins (AQPs) are transmembrane proteins that allow water and other solutes to permeate through cellular membranes. Here we identify tsetse aquaporin (AQP) genes, examine their expression patterns under different physiological conditions (blood feeding, lactation and stress response) and perform functional analysis of three specific genes utilizing RNA interference (RNAi) gene silencing. Ten putative aquaporins were identified in the Glossina morsitans morsitans (Gmm) genome, two more than …

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Ultrastructural Changes In The Milk Gland Of Tsetse Glossina Morsitans Centralis (Diptera; Glissinidae) Female Infected By A Dna Virus, Rosemary C. Sang, Walter G.Z.O. Jura, Leonard H. Otieno, Peter Ogaja Jan 1996

Ultrastructural Changes In The Milk Gland Of Tsetse Glossina Morsitans Centralis (Diptera; Glissinidae) Female Infected By A Dna Virus, Rosemary C. Sang, Walter G.Z.O. Jura, Leonard H. Otieno, Peter Ogaja

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Milk glands, dissected out and collected from Glossina morsitans centralis (Machado) females, artificially inoculated at the third-instar larval stage with a virus suspension obtained from hypertrophied salivary glands of wild-caught virus-infected Glossina pallidipes (Austen), were processed for routine electron microscopy and examined for pathological changes. They were compared to milk glands dissected out from normal female G.m. centralis at the same stage of pregnancy cycle. Upon dissection there were notable physical differences between control and virus-infected milk glands. Histologically, some areas of the gland developed severe degeneration while other areas developed less severe pathological changes. Ultrastructural studies revealed the presence …

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Structural Studies On The Major Milk Gland Protein Of The Tsetse Fly, Glossina Morsitans Morsitans, Ellie O. Osir, Michael Kotengo, Mohammed F.B. Chaudhury, Leonard H. Otieno Jan 1991

Structural Studies On The Major Milk Gland Protein Of The Tsetse Fly, Glossina Morsitans Morsitans, Ellie O. Osir, Michael Kotengo, Mohammed F.B. Chaudhury, Leonard H. Otieno

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1. 1. The major protein in the milk gland secretions of the tsetse fly, Glossina morsitans morsitans, was isolated by a combination of gel permeation chromatography and crystallization. 2. 2. It has a native Mr ∼47,000 and is composed of two identical polypeptide chains (Mr ∼21,000) as determined by chemical cross-linking studies. The protein has no covalently-bound carbohydrates or lipids. Amino acid analysis of the protein revealed relatively high amounts of the aromatic amino acids, tyrosine (9.1 mol.%) and phenylalanine (8.5 mol.%). Immunoblotting experiments using antiserum against the protein revealed no cross-reactivity with any other milk proteins. 3. 3. Quantitation …

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