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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Eletroforese bidimensional em gel de poliocrilamida do plasma seminal equino e a sua relação com a congelabilidade do sêmen / Two-dimensional polyacrylamide gel electrophoresis of equine seminal plasma proteins and their relation with semen freezability

Trein, Cristina Rodrigues January 2012 (has links)
O objetivo deste estudo foi avaliar o perfil proteico do plasma seminal equino utilizando eletroforese bidimensional de gel de acrilamida (2D-PAGE) e determinar se algumas das proteínas presentes estavam relacionadas com a congelabilidade do sêmen. O plasma seminal foi coletado de dez garanhões, de alta e baixa congelabilidade de sêmen, provenientes do Haras Estatal da Baixa Saxônia, na cidade de Celle, na Alemanha e rotineiramente utilizados em programas de inseminação artificial. Vinte e cinco bandas proteicas foram encontradas nos géis bidimensionais (12%) e sete delas foram identificadas por MALDI-MS. Das 25 proteínas encontradas nas amostras de plasma seminal dos garanhões, duas bandas proteicas apresentaram densidade óptica superior (P<0,05) nas amostras de garanhões de alta congelabilidade o sêmen: as bandas 5 (80-85 kDa, pI 7,54), que foi identificada como CRISP3 e a 45 (18,2 kDa, pI 5,0-5,2) identificada como HSP-2. Contrariamente a banda 7 (75,4 kDa, pI 6,9 – 7,4), identificada como lactoferrina, a 15 (26,7 kDa, pI 5,51) identificada como calicreína, a 25 (25 kDa, pI 7,54) como CRISP3 e a 35 (13,9 kDa, pI 3,8 – 4,2) que foi identificada como HSP-1, apresentaram valores de densidade óptica superior (P<0,05) nos reprodutores de baixa congelabilidade do sêmen. As proteínas foram identificadas através de espectometria de massa MALDI-MS. As evidências encontradas neste experimento mostram que existem diferenças no perfil proteico dos reprodutores de alta e baixa congelabilidade do sêmen, sugerindo as proteínas CRISP3 e a HSP-2 como possíveis marcadores da alta congelabilidade de sêmen de garanhões. / The objective of this study was to evaluate protein profile of equine seminal plasma using two-dimensional polyacrylamide gel electrophoresis (2D-PAGE) and to find if any of these proteins were related to semen freezability. Seminal plasma was collected from 10 stallions of high and low semen freezability routinely used in AI programs from the State Stud of Lower Saxony and Artificial Insemination Center. Twenty five protein spots were identified from the 2 D gel (12%), seven of which were present in all samples. Of the 25 proteins found in the research stallions, two spots showed superior relative content (P<0.05) in seminal plasma samples collected from stallions with high semen freezability: the spots 5 (80-85 kDa, pI 7.54) was identified as CRISP3 and 45 (18.2 kDa, pI 5.0-5.2) was identified as HSP-2. Conversely, the spot 7 (75.4 kDa, pI 6.9 – 7.4) was identified as lactoferrin, 15 (26.7 kDa, pI 5.51) was identified as kallikrein, 25 (25 kDa, pI 7.54) was identified as CRISP3 and 35 (13.9 kDa, pI 3.8 – 4.2) was identified as HSP-1, showed superior relative protein content (P<0.05) on seminal plasma samples from stallions with low semen freezability. The proteins were identified by MALDI-MS. There were differences in the seminal plasma protein profile between stallions with high and low semen freezability. It may be suggested that CRISP3 and HSP-2 may be considered possible seminal plasma markers of high semen freezability.
2

Eletroforese bidimensional em gel de poliocrilamida do plasma seminal equino e a sua relação com a congelabilidade do sêmen / Two-dimensional polyacrylamide gel electrophoresis of equine seminal plasma proteins and their relation with semen freezability

Trein, Cristina Rodrigues January 2012 (has links)
O objetivo deste estudo foi avaliar o perfil proteico do plasma seminal equino utilizando eletroforese bidimensional de gel de acrilamida (2D-PAGE) e determinar se algumas das proteínas presentes estavam relacionadas com a congelabilidade do sêmen. O plasma seminal foi coletado de dez garanhões, de alta e baixa congelabilidade de sêmen, provenientes do Haras Estatal da Baixa Saxônia, na cidade de Celle, na Alemanha e rotineiramente utilizados em programas de inseminação artificial. Vinte e cinco bandas proteicas foram encontradas nos géis bidimensionais (12%) e sete delas foram identificadas por MALDI-MS. Das 25 proteínas encontradas nas amostras de plasma seminal dos garanhões, duas bandas proteicas apresentaram densidade óptica superior (P<0,05) nas amostras de garanhões de alta congelabilidade o sêmen: as bandas 5 (80-85 kDa, pI 7,54), que foi identificada como CRISP3 e a 45 (18,2 kDa, pI 5,0-5,2) identificada como HSP-2. Contrariamente a banda 7 (75,4 kDa, pI 6,9 – 7,4), identificada como lactoferrina, a 15 (26,7 kDa, pI 5,51) identificada como calicreína, a 25 (25 kDa, pI 7,54) como CRISP3 e a 35 (13,9 kDa, pI 3,8 – 4,2) que foi identificada como HSP-1, apresentaram valores de densidade óptica superior (P<0,05) nos reprodutores de baixa congelabilidade do sêmen. As proteínas foram identificadas através de espectometria de massa MALDI-MS. As evidências encontradas neste experimento mostram que existem diferenças no perfil proteico dos reprodutores de alta e baixa congelabilidade do sêmen, sugerindo as proteínas CRISP3 e a HSP-2 como possíveis marcadores da alta congelabilidade de sêmen de garanhões. / The objective of this study was to evaluate protein profile of equine seminal plasma using two-dimensional polyacrylamide gel electrophoresis (2D-PAGE) and to find if any of these proteins were related to semen freezability. Seminal plasma was collected from 10 stallions of high and low semen freezability routinely used in AI programs from the State Stud of Lower Saxony and Artificial Insemination Center. Twenty five protein spots were identified from the 2 D gel (12%), seven of which were present in all samples. Of the 25 proteins found in the research stallions, two spots showed superior relative content (P<0.05) in seminal plasma samples collected from stallions with high semen freezability: the spots 5 (80-85 kDa, pI 7.54) was identified as CRISP3 and 45 (18.2 kDa, pI 5.0-5.2) was identified as HSP-2. Conversely, the spot 7 (75.4 kDa, pI 6.9 – 7.4) was identified as lactoferrin, 15 (26.7 kDa, pI 5.51) was identified as kallikrein, 25 (25 kDa, pI 7.54) was identified as CRISP3 and 35 (13.9 kDa, pI 3.8 – 4.2) was identified as HSP-1, showed superior relative protein content (P<0.05) on seminal plasma samples from stallions with low semen freezability. The proteins were identified by MALDI-MS. There were differences in the seminal plasma protein profile between stallions with high and low semen freezability. It may be suggested that CRISP3 and HSP-2 may be considered possible seminal plasma markers of high semen freezability.
3

Eletroforese bidimensional em gel de poliocrilamida do plasma seminal equino e a sua relação com a congelabilidade do sêmen / Two-dimensional polyacrylamide gel electrophoresis of equine seminal plasma proteins and their relation with semen freezability

Trein, Cristina Rodrigues January 2012 (has links)
O objetivo deste estudo foi avaliar o perfil proteico do plasma seminal equino utilizando eletroforese bidimensional de gel de acrilamida (2D-PAGE) e determinar se algumas das proteínas presentes estavam relacionadas com a congelabilidade do sêmen. O plasma seminal foi coletado de dez garanhões, de alta e baixa congelabilidade de sêmen, provenientes do Haras Estatal da Baixa Saxônia, na cidade de Celle, na Alemanha e rotineiramente utilizados em programas de inseminação artificial. Vinte e cinco bandas proteicas foram encontradas nos géis bidimensionais (12%) e sete delas foram identificadas por MALDI-MS. Das 25 proteínas encontradas nas amostras de plasma seminal dos garanhões, duas bandas proteicas apresentaram densidade óptica superior (P<0,05) nas amostras de garanhões de alta congelabilidade o sêmen: as bandas 5 (80-85 kDa, pI 7,54), que foi identificada como CRISP3 e a 45 (18,2 kDa, pI 5,0-5,2) identificada como HSP-2. Contrariamente a banda 7 (75,4 kDa, pI 6,9 – 7,4), identificada como lactoferrina, a 15 (26,7 kDa, pI 5,51) identificada como calicreína, a 25 (25 kDa, pI 7,54) como CRISP3 e a 35 (13,9 kDa, pI 3,8 – 4,2) que foi identificada como HSP-1, apresentaram valores de densidade óptica superior (P<0,05) nos reprodutores de baixa congelabilidade do sêmen. As proteínas foram identificadas através de espectometria de massa MALDI-MS. As evidências encontradas neste experimento mostram que existem diferenças no perfil proteico dos reprodutores de alta e baixa congelabilidade do sêmen, sugerindo as proteínas CRISP3 e a HSP-2 como possíveis marcadores da alta congelabilidade de sêmen de garanhões. / The objective of this study was to evaluate protein profile of equine seminal plasma using two-dimensional polyacrylamide gel electrophoresis (2D-PAGE) and to find if any of these proteins were related to semen freezability. Seminal plasma was collected from 10 stallions of high and low semen freezability routinely used in AI programs from the State Stud of Lower Saxony and Artificial Insemination Center. Twenty five protein spots were identified from the 2 D gel (12%), seven of which were present in all samples. Of the 25 proteins found in the research stallions, two spots showed superior relative content (P<0.05) in seminal plasma samples collected from stallions with high semen freezability: the spots 5 (80-85 kDa, pI 7.54) was identified as CRISP3 and 45 (18.2 kDa, pI 5.0-5.2) was identified as HSP-2. Conversely, the spot 7 (75.4 kDa, pI 6.9 – 7.4) was identified as lactoferrin, 15 (26.7 kDa, pI 5.51) was identified as kallikrein, 25 (25 kDa, pI 7.54) was identified as CRISP3 and 35 (13.9 kDa, pI 3.8 – 4.2) was identified as HSP-1, showed superior relative protein content (P<0.05) on seminal plasma samples from stallions with low semen freezability. The proteins were identified by MALDI-MS. There were differences in the seminal plasma protein profile between stallions with high and low semen freezability. It may be suggested that CRISP3 and HSP-2 may be considered possible seminal plasma markers of high semen freezability.

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