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Dissertations / Theses on the topic 'Bovine lactoferrin'

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Published: 10 March 2023

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1

Nam, Seung-Hee. "Affinity Purification of Bovine Lactoferrin and Bovine Transferrin from Using Immobilized Gangliosides." DigitalCommons@USU, 2000. https://digitalcommons.usu.edu/etd/5471.

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Bovine lactoferrin (BLF) and bovine transferrin (BTF) are major-iron transport and regulation proteins found in bovine whey. BLF and BTF must interact with the eukaryotic cell surface to mediate their biological function of iron delivery and cellular functions of inflammatory and immunological modulation. As common components of the eukaryotic cell surface, gangliosides were used for affinity purification of BLF and BTF. Bovine gangliosides were isolated from fresh buttermilk and covalently immobilized onto controlled-pore glass beads (66 μg/g beads). After the matrix was loaded with whey prot
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2

Zhang, Norman Tianshu. "Isolation of lactoferrin from bovine colostrum by chromatographic techniques." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0010/MQ59911.pdf.

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3

Prgomet, Christian. "Lactoferrin: protective role in the bovine mammary gland and newborn calves." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=98032033X.

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4

Hogshead, Bradley Thomas. "Bovine Parainfluenza-3 Specific Antibodies in Veal Calves Supplemented with Cinnamaldehyde or Lactoferrin." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1512121726642402.

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5

Yamauchi, Koji. "Studies on host defense effects of bovine lactoferrin and its utilization as functional food materials." Kyoto University, 2000. http://hdl.handle.net/2433/151611.

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6

Goodman, Richard E. "Bovine mammary lactoferrin : cDNA cloning, Northern blots, and analysis of the mRNA sequence and deduced protein structure /." The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487678444258466.

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7

Merrifield, Daniel Lee. "Evaluation of selected probiotics and bovine lactoferrin as feed supplements for rainbow trout (Oncorhynchus mykiss Walbaum) for applications in aquaculture." Thesis, University of Plymouth, 2009. http://hdl.handle.net/10026.1/614.

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A series of investigations were carried out to assessth e intestinal microbiota of rainbow trout and the potential applications of probiotics and bovine lactoferrin (M). Farm and aquarium reared rainbow trout were examined with specific emphasis on the autochthonous microbial communities. Culture-based, culture-independent and electron microscopical investigations revealed mixed, complex microbial communities in all intestinal regions. DGGE based analysis revealed unique species present either only as allochthonous populations or autochthonous populations. 16S rRNA sequence analysis allowed sp
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8

Chand, Amita. "On-farm fractionation of milk components." The University of Waikato, 2006. http://hdl.handle.net/10289/2669.

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Methods for on-farm extraction of low-concentration (minor) proteins from raw whole bovine milk directly after milking were explored. These minor proteins have high commercial value. Lactoferrin (LF) and lactoperoxidase (LP) were used as model proteins for extraction using cation exchange chromatography. Laboratory fractionations showed that milk could be processed by conventional column chromatography without excessive column backpressures if resin with large particles sizes were used and the temperature was high enough so fat in the milk was malleable; ideally the milk should be near the sec
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9

Ndiaye, Nafissatou. "Étude de la séparation de la lactoferrine bovine par électrodialyse avec membrane d'ultrafiltration." Thesis, Université Laval, 2009. http://www.theses.ulaval.ca/2009/26581/26581.pdf.

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10

Bédard, Sarah. "Étude de l'interaction entre la lactoferricine bovine et des monocouches de phospholipides." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24450/24450.pdf.

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11

PAKDAMAN, ROWCHANAK. "Capture du fer par la serum transferrie humaine et la lactoferrine bovine en presence d'hydrogenocarbonate." Paris 7, 1997. http://www.theses.fr/1997PA077060.

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Le mecanisme d'echange du fer entre le nitrilotriacetato-fer(iii) et la serumtransferrine humaine ainsi que la lactoferrine bovine est determine en presence d'hydrogenocarbonate entre ph 6,5 et 9 par les techniques et methodes de la relaxation chimique associees aux spectroscopies d'absorption et d'emission de fluorescence. La serumtransferrine humaine et la lactoferrine bovine interagissent avec l'hydrogenocarbonate pour former chacune une entite proteique capable d'extraire le fer du nitrilotriacetate. Nous montrons que la capture du fer par les deux proteines carbonatees se fait d'une manie
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12

Duthille-Dhennin, Isabelle. "Rôle de la lactoferrine dans la maturation des cellules T : induction d'un signal de transduction aboutissant à l'expression du CD4 dans les cellules lymphoblastiques T Jurkat : effets comparatifs des lactoferrines humaine et bovine." Lille 1, 2000. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2000/50376-2000-284.pdf.

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La lactoferrine est une glycoproteine secretee dans les liquides de secretion, notamment dans le lait, et liberee dans le plasma par degranulation des neutrophiles. Les principales proprietes biologiques de la lactoferrine concernent les processus inflammatoire et immunitaire. La lactoferrine est, en effet, capable d'accelerer la maturation des cellules t en augmentant l'expression de l'antigene de surface cd4. Afin d'approfondir cet effet de la lactoferrine humaine sur les cellules t, nous avons utilise la lignee humaine lymphoblastique t jurkat. Nous avons ainsi montre que la lactoferrine au
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13

DEBBABI, HAJER. "Absorption et interactions de la lactoferrine bovine avec le systeme immunitaire intestinal systemique chez la souris." Paris 7, 1997. http://www.theses.fr/1997PA077198.

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Notre travail a consiste en l'etude du transport intestinal de la lactoferrine bovine et des effets de l'ingestion reguliere de lactoferrine bovine sur son absorption et sur la reponse immunitaire intestinale et systemique chez la souris. La lactoferrine est une glycoproteine de la famille des transferrines, presente dans le lait et diverses secretions externes de l'organisme. Elle est dotee de proprietes bacteriostatiques, de par sa capacite a lier le fer. Elle est consideree comme un facteur regulateur de croissance pour differents types cellulaires et est capable d'agir sur differentes fonc
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14

Gualdi, Lucien Peroni. "Efeito de lactoferrina bovina na replicação viral e doença clínica em modelo murino de vírus sincicial respiratório." Pontifícia Universidade Católica do Rio Grande do Sul, 2013. http://hdl.handle.net/10923/4641.

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Made available in DSpace on 2013-08-07T19:06:29Z (GMT). No. of bitstreams: 1 000446716-Texto+Completo-0.pdf: 2485126 bytes, checksum: d0edbbefdafd57b69ebba83d7dfd395f (MD5) Previous issue date: 2013<br>Background : Lactoferrin (LF) is a glycoprotein present in human milk with known antimicrobial effects. In vitro, LF has shown to impair the growth of respiratory syncytial virus (RSV). We sought to assess the effect of bovine (b)LF in RSV replication and different aspects of RSV disease in an in vivo murine model. Methods : BALB/C mice were inoculated with 107 PFU RSV A2 or 10% EMEM. bLF or p
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15

Jacquot, Arnaud. "Étude de l'activité immunomodulante de peptides issus de protéines du lactoserum bovin." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/25030/25030.pdf.

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16

Barreto, Arce Liz Judith. "Efecto de la lactoferrina bovina en la invasión de Salmonella typhimurium cepa SL 1344 a células HEp-2." Master's thesis, Universidad Nacional Mayor de San Marcos, 2017. https://hdl.handle.net/20.500.12672/6131.

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Analiza el efecto de la lactoferrina en la cinética de crecimiento de Salmonella typhimurium cepa SL 1344 ΔhilA, evalúa el efecto citotóxico del tratamiento con gentamicina a células HEp-2, determina el efecto in vitro de la lactoferrina sobre la adhesión de Salmonella typhimurium SL 1344 ΔhilA y especifica el tratamiento y concentración de lactoferrina que permita mayor disminución de la adherencia e invasión a las células HEp-2.<br>Tesis
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17

Ruiz, Giménez Pedro. "Efecto antihipertensivo, mediante inhibición de la enzima conversora de angiotensina I, de péptidos derivados de lactoferrina bovina y péptidos diseñados racionalmente." Doctoral thesis, Universitat Politècnica de València, 2013. http://hdl.handle.net/10251/31123.

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En esta Tesis Doctoral se ha estudiado en modelos experimentales el potencial antihipertensivo de dos tipos de péptidos bioactivos: péptidos derivados de distintas zonas de la secuencia de la lactoferrina bovina (LF), incluido su dominio antimicrobiano lactoferricina (LfcinB), y heptapéptidos obtenidos mediante diseño racional a partir de hexapéptidos parentales. Se han realizado tres tipos de ensayos: ensayos in vitro para determinar los efectos inhibitorios sobre la actividad de la enzima conversora de la angiotensina I (ECA); ensayos funcionales ex vivo, usando segmentos arter
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18

Gualdi, Lucien Peroni. "Efeito de lactoferrina bovina na replica??o viral e doen?a cl?nica em modelo murino de v?rus sincicial respirat?rio." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2013. http://tede2.pucrs.br/tede2/handle/tede/1411.

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Made available in DSpace on 2015-04-14T13:33:03Z (GMT). No. of bitstreams: 1 446716.pdf: 2485126 bytes, checksum: d0edbbefdafd57b69ebba83d7dfd395f (MD5) Previous issue date: 2013-03-12<br>Background : Lactoferrin (LF) is a glycoprotein present in human milk with known antimicrobial effects. In vitro, LF has shown to impair the growth of respiratory syncytial virus (RSV). We sought to assess the effect of bovine (b)LF in RSV replication and different aspects of RSV disease in an in vivo murine model. Methods : BALB/C mice were inoculated with 107 PFU RSV A2 or 10% EMEM. bLF or placebo (DPBS)
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19

Bernardi, Daniela Miotto 1986. "Aspectos nutricionais e buiquímicos da fibrose cística em paciente pediátricos = suplementação com um concentrado protéico do soro do leite bovino enriquecido com TGF-'beta' e lactoferrina." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/255714.

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Orientadores: Valdemiro Carlos Sgarbieri, Antônio Fernando Ribeiro<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-16T14:45:40Z (GMT). No. of bitstreams: 1 Bernardi_DanielaMiotto_M.pdf: 2175104 bytes, checksum: cb8cf27a5c2ba0db8cf94fbc2965beec (MD5) Previous issue date: 2010<br>Resumo: A fibrose cística (FC) é caracterizada por intenso processo inflamatório, doença pulmonar obstrutiva, infecção das vias aéreas e má digestão/ má absorção de nutrientes e micronutrientes, sendo a nutrição determinante no
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20

Su, Jia Kai, and 蘇家愷. "Separation of immunoglobulin and lactoferrin from bovine colostrum." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/38293512744189694340.

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21

Chien, Yu-Jung, and 簡鈺蓉. "Antiviral Activity of Bovine Lactoferrin Against Japanese Encephalitis Virus." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/20438633384218739217.

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碩士<br>國立嘉義大學<br>生物科技研究所<br>95<br>Japanese encephalitis (JE) has been an important endemic zoonoses in Taiwan. Since beginning in 1968, a mass vaccination program, using mouse-brain-derived and formalin-inactivated JEV Nakayama as vaccine, against JE for children was implemented in Taiwan. Dramatic decrease of JE virus infection has been reported, but still approximately 20-30 cases annually. Approximately 25 percent of infectious patients and 50 percent of the survivals develop permanent neurologic and/or psychiatric sequelae. Recently, the anti-JEV drug was unavailable in clinical therapy. Th
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22

Wang, Yinglu Baumrucker Craig R. "Effect of retinoid analogs, bovine lactoferrin, and retinoid receptor expression in bovine mammary cells." 2009. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-4467/index.html.

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23

Chan, Judy Chuk Kwan. "Production, characterization, and elucidation of structure-function relationship of lactoferricin and other peptides derived from food-grade bovine lactoferrin." Thesis, 2006. http://hdl.handle.net/2429/18532.

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Lactoferricin (Lfcin), a cationic antimicrobial peptide, was purified by peptic digestion of food grade bovine lactoferrin (LF) followed by fractionation on an industrial grade cation exchange resin with stepwise salt gradient elution. A 2-step process using competitive displacement cation exchange chromatography led to 35% recovery of peptides with masses of 3124 and 3196 Da corresponding to Lfcin. Other cationic peptides produced concurrently with Lfcin were tentatively identified. Varying iron saturation levels of LF had no effect on the production of Lfcin. Two approaches were used to unde
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24

曹李宏. "The antibiotic effect of bovine lactoferrin on Escherichia coli and Helicobacter pylori." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/17799022890594175599.

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碩士<br>國立中興大學<br>獸醫微生物學研究所<br>87<br>Lactoferrin is an antimicrobial iron-binding glycoprotein, and the molecular weight is about 80 kDa. It is found in most mucous secretion of mammals including milk, saliva, tears, and released from activated neutrophil in the inflammatory response. The antibacterial activity and the possible mechanism of lactoferrin was studied. The results showed that lactoferrin could effectively inhibit the growth of 5 strains of E. coli that cause severe diarrhea of piglets, and 9 strains of H. pylori that cause gastrointestine disease. The effective dose of lactoferrin f
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25

Prgomet, Christian [Verfasser]. "Lactoferrin: protective role in the bovine mammary gland and newborn calves / Christian Prgomet." 2006. http://d-nb.info/98032033X/34.

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26

Chen, Yu-Chih, and 陳玉芝. "Effect of Bovine Lactoferrin on the Disease Resistance of Tiger Shrimp (Penaeus monodon)." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/15806277192679362643.

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碩士<br>國立臺灣大學<br>漁業科學研究所<br>88<br>To investigate the peptide-antimicrobial activity relationship of shrimp, bovine lactoferrin (bLF), the basic amino acid-rich region of lactoferricin B, RRWQWRMKKLG (N: 11 mer), yellowfin progy (Acanthopagrus latus) recombinant growth hormone (ypGH) and carp (Cyprinus carpio) recombinant interlukin-1 (cIL-1) were selected. Tiger shrimp (Penaeus monodon) hemocytes were incubated with bLF, N: 11 mer, ypGH and cIL-1, respectively, and quantified the production of superoxide anion (O2) by nitroblue tetrazolium (NBT) staining. All of the peptides could enhance
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27

Spagnuolo, Paul Anthony. "Effects of Dietary Bovine Lactoferrin on Intestinal Lymphocytes of Mice After Dextran Sulfate Sodium or Acute Exercise Challenge." Thesis, 2008. http://hdl.handle.net/10012/4109.

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Background: Inflammation, if uncontrolled, can promote the formation of colon cancer. Intestinal lymphocytes (IL) are immune cells that can participate in inflammation through the generation of cytokines and by causing direct cellular injury. Apoptosis, or programmed cell death, regulates the population of lymphocytes and dysregulation of this process results in the prolonged activation of IL that occurs during inflammation. Therefore, inducing apoptosis of IL is a viable mechanism by which inflammation and possibly colon carcinogenesis could be prevented. Experimentally, inflammation may be
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28

Zhang, Yunlei. "Study of the mechanisms underlying the cytotoxic effects of bovine lactoferrin on breast cancer cells." Doctoral thesis, 2013. http://hdl.handle.net/1822/28856.

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Tese de doutoramento em Engenharia Biomédica<br>Lactoferrin (LF) is an iron-binding protein predominantly found in mammalian secretions. This protein and its variants have been proposed for cancer therapy for many years owing to their tumor-targeting properties. Previous studies showed that LF and its derived peptides inhibit the proliferation of cancer cells. However, the detailed mechanisms by which LF exerts its effect are still fairly unknown. Moreover, there are few reports concerning LF effect on breast cancer cells, which is one of the most common malignant tumors in the World. I
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29

Chiu, Clovis Ka Kui. "Fractionation of casein Glycomacropeptide, lactoperoxidase and lactoferrin from bovine whey using ion exchange membranes or beads." 1996. http://catalog.hathitrust.org/api/volumes/oclc/37365117.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1996.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 56-60).
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30

Jiang, Li-Hui, and 蔣力惠. "The study of bovine lactoferrin hydrolysate and EDTA on antioxidative and antimicrobial activities of fresh meat and meat product." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/03508901622102066394.

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碩士<br>東海大學<br>食品科學系<br>95<br>In this study, lactoferrin hydrolysate (bLFH) was prepared by pepsin cleavage of bovine lactoferrin (bLF) at 37°C and pH 2.5, and the purposes of this study are to investigate the anti-microbial and anti-oxidative properties of bLFH and EDTA. The study was divided into three parts. The first part is to investigate the antimicrobial activities of bLF and bLFH solution. Preparing bLFH solution with different hydrolyzing time (0, 10, 20, 30, 40, 50 min and 1, 2, 3, 4, 5, 6 h) to investigate their degree of hydrolysis (DH). Results indicted that the DH of bLFH solution
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31

Bédard, Sarah. "Étude de l'interaction entre la lactoferricine bovine et des monocouches de phospholipides /." 2007. http://www.theses.ulaval.ca/2007/24450/24450.pdf.

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32

Chen, Yinghua, and 陳瀅樺. "Production of Recombinant Bovine Lactoferricin Trimer Peptide Using Pichia pastoris." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/74326063536435416029.

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33

Jacquot, Arnaud. "Étude de l'activité immunomodulante de peptides issus des protéines du lactoserum bovin /." 2007. http://www.theses.ulaval.ca/2007/25030/25030.pdf.

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