Anti Sperm Antibodies
Mostrando 1-12 de 14 artigos, teses e dissertações.
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1. Avaliação da função gonadal em homens com espondilite anquilosante / Gonadal function in male patients with ankylosing spondylitis
Objetivo: Avaliar a função testicular em pacientes do sexo masculino com espondilite anquilosante (EA). Métodos: Vinte pacientes com EA e vinte e quatro adultos masculinos saudáveis foram avaliados quanto às características demográficas, exame urológico, ultrassonografia testicular, avaliações dos espermatozóides, anticorpo anti-espermatozóide e
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 03/04/2012
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2. Use of biotech manipulation of oocytes enclosed in preantral follicles for in vitro evaluation of potential anti-zona pellucida to imunoesterilização bitches. / Utilização da biotécnica de manipulação de oócitos inclusos em folículos pré-antrais para a avaliação in vitro do potencial de anticorpos anti-zona pelúcida para a imunoesterilização de cadelas.
The aim of this study was do evaluate the potential of anti-zona pellucida antibodies for immunosterilization in dogs, through analyzing the capability of anti-porcine zona pellucida (pZP) antibodies to cause atresia of preantral follicles (PF). For this purpose, the biotechnique of manipulation of oocytes enclosed in preantral follicles was employed to esta
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 22/12/2008
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3. Minor sperm abnormalities in young male post-pubertal patients with juvenile dermatomyositis
The objective of the present study was to identify sperm abnormalities in young male patients with juvenile dermatomyositis (JDM). In 2005, 18 male JDM patients, diagnosed according to the criteria of Bohan and Peter, were followed at the Pediatric Rheumatology Unit and Rheumatology Division, of our Institution. Of the 18 males, 11 were pre-pubertal and 7 we
Brazilian Journal of Medical and Biological Research. Publicado em: 2008-12
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4. Gonadal evaluation in male systemic lupus erythematosus / Avaliação da função gonadal em pacientes do sexo masculino com lúpus eritematoso sistêmico
Objective: To assess gonadal function in male systemic lupus erythematosus (SLE) patients. Methods: Thirty-five consecutive male SLE patients (American College Rheumatology criteria) were prospectively evaluated for demographic, clinical features, previous and current treatment, urologic evaluation, testicular Döppler ultrasound, hormone profile, semen anal
Publicado em: 2006
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5. Anti-sperm antibodies in homosexual men: prevalence and correlation with sexual behaviour.
The sera of 60 homosexual males were examined for the presence of antibodies to sperm using an indirect immunobead test (IBT). Six of 60 (10%) had antibodies of IgG isotype; in addition two of the six had antibodies of IgA isotype. The presence of antibodies was associated with the practice of unprotected receptive anal intercourse in the previous six months
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6. Evidence for tektins in centrioles and axonemal microtubules.
Affinity purified, polyclonal antibodies were prepared against three tektins (tektins A, B, and C) isolated from sea urchin sperm axonemal microtubules. These antibodies (anti-tektins) were used to localize tektins in axonemes, basal bodies, and centrioles. By immunofluorescence microscopy it could be demonstrated that in sperm tails from Lytechinus pictus a
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7. Antiidiotypic antibodies to sperm in sera of fertile women that neutralize antisperm antibodies.
The presence of antiidiotypic antibodies (ab-2) to sperm was investigated in the sera of fertile, infertile, and virgin women using sperm-specific anti-FA-1 monoclonal antibody Fab'.ab-2 were detected in 71% (17/24) of sera from fertile women and in none (0/12) of the sera from virgin females by the enzyme-linked immunosorbent assay, Western blot procedure,
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8. Involvement of fertilization antigen (FA-1) in involuntary immunoinfertility in humans.
Sera from immunoinfertile patients (n = 32) and fertile controls (n = 20) were analyzed for cross-reaction with a purified and characterized sperm-specific glycoprotein, the fertilization antigen (FA-1), employing an enzyme-linked immunosorbent assay. The immunoinfertile sera demonstrated a strong reaction with FA-1 when compared with fertile control sera. T
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9. Functional nonequivalence of sperm in Drosophila pseudoobscura.
We report on a form of sperm polymorphism, termed polymegaly, that occurs in species of the Drosophila obscura group. Individual males of species in this group characteristically produce more than one discrete length of nucleated, motile sperm. Hypotheses suggested to explain the evolutionary significance of sperm polymorphism have been either nonadaptive or
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10. Sequence-Specific Interaction between the Disintegrin Domain of Mouse ADAM 3 and Murine Eggs: Role of β1 Integrin-associated Proteins CD9, CD81, and CD98
ADAM 3 is a sperm surface glycoprotein that has been implicated in sperm-egg adhesion. Because little is known about the adhesive activity of ADAMs, we investigated the interaction of ADAM 3 disintegrin domains, made in bacteria and in insect cells, with murine eggs. Both recombinant proteins inhibited sperm-egg binding and fusion with potencies similar
The American Society for Cell Biology.
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11. Characterization of a novel human sperm-associated antigen 9 (SPAG9) having structural homology with c-Jun N-terminal kinase-interacting protein
We report a novel SPAG9 (sperm-associated antigen 9) protein having structural homology with JNK (c-Jun N-terminal kinase)-interacting protein 3. SPAG9, a single copy gene mapped to the human chromosome 17q21.33 syntenic with location of mouse chromosome 11, was earlier shown to be expressed exclusively in testis [Shankar, Mohapatra and Suri (1998) Biochem.
Portland Press Ltd..
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12. Identification of Ribonucleotide Reductase Protein R1 as an Activator of Microtubule Nucleation in Xenopus Egg Mitotic Extracts
Microtubule nucleation on the centrosome and the fungal equivalent, the spindle pole body (SPB), is activated at the onset of mitosis. We previously reported that mitotic extracts prepared from Xenopus unfertilized eggs convert the interphase SPB of fission yeast into a competent state for microtubule nucleation. In this study, we have purified an 85-kD
The American Society for Cell Biology.