摘要:
Peptide constructs comprised of multideterminant T helper peptides from the envelope glycoprotein of HIV previously identified to induce proliferative responses in four different haplotypes of mice and IL-2 responses in 52-73% of HIV positive, flu positive patients (cluster peptides), were co-linearly synthesized with the peptide 18 of the V3 loop of HIV-1 gp 160, corresponding to the principal neutralizing determinant of HIV-IIIB and also shown to contain a dominant CTL epitope. Cognate help for peptide 18 antibody was elicited following a single immunization in all strains of mice which had previously responded to a T cell epitope encompassed by the peptides. In two strains of mice, the level of neutralizing antibody achieved was comparable to levels adequate for protection from homologous viral challenge in chimpanzees. After a single boost, much higher antibody titers for 90% neutralization in the range of 1:1000 to 1:16,000 were achieved. Spleen cells from mice of three distinct MHC haplotypes sharing the Dd class I MHC molecule but with different class II molecules, immunized with the compound peptides, exhibited enhanced gp160-specific CTL activity.
摘要翻译:由先前鉴定为在四种不同单倍型小鼠中诱导增殖反应的HIV的多重决定子T辅助肽和52-73%的HIV阳性患者(簇肽)中的IL-2应答组成的多肽构建体由co 与HIV-1 gp 160的V3环的肽18线性合成,对应于HIV-IIIB的主要中和决定簇,并且还显示含有显性CTL表位。 在先前对肽包含的T细胞表位作出反应的所有小鼠菌株中进行单次免疫后,引发了针对肽18抗体的协同帮助。 在两种小鼠中,达到的中和抗体水平与足以保护黑猩猩同源病毒攻击的水平相当。 在单次加强后,实现了在1:1000至1:16,000范围内高达90%中和的高得多的抗体滴度。 来自共享第一类MHC分子但具有用化合物肽免疫的不同II类分子的三种不同MHC单元型的小鼠的脾细胞表现出增强的gp160特异性CTL活性。
摘要:
Peptide constructs comprised of multideterminant T helper peptides from the envelope glycoprotein of HIV previously identified to induce proliferative responses in four different haplotypes of mice and IL-2 responses in 52-73% of HIV positive, flu positive patients (cluster peptides), were co-linearly synthesized with the peptide 18 of the V3 loop of HIV-1 gp 160, corresponding to the principal neutralizing determinant of HIV-IIIB and also shown to contain a dominant CTL epitope. Cognate help for peptide 18 antibody was elicited following a single immunization in all strains of mice which had previously responded to a T cell epitope encompassed by the peptides. In two strains of mice, the level of neutralizing antibody achieved was comparable to levels adequate for protection from homologous viral challenge in chimpanzees. After a single boost, much higher antibody titers for 90% neutralization in the range of 1:1000 to 1:16,000 were achieved. Spleen cells from mice of three distinct MHC haplotypes sharing the Dd class I MHC molecule but with different class II molecules, immunized with the compound peptides, exhibited enhanced gp160-specific CTL activity.
摘要翻译:由先前鉴定为在四种不同单倍型小鼠中诱导增殖反应的HIV的多重决定子T辅助肽和52-73%的HIV阳性患者(簇肽)中的IL-2应答组成的多肽构建体由co 与HIV-1 gp 160的V3环的肽18线性合成,对应于HIV-IIIB的主要中和决定簇,并且还显示含有显性CTL表位。 在先前对肽包含的T细胞表位作出反应的所有小鼠菌株中进行单次免疫后,引发了针对肽18抗体的协同帮助。 在两种小鼠中,达到的中和抗体水平与足以保护黑猩猩同源病毒攻击的水平相当。 在单次加强后,实现了在1:1000至1:16,000范围内高达90%中和的高得多的抗体滴度。 来自共享Dd I类MHC分子但具有用化合物肽免疫的不同II类分子的三种不同MHC单元型的小鼠的脾细胞表现出增强的gp160特异性CTL活性。
摘要:
A container such as a sump having a bottom, at least one wall extending upwardly from the bottom, and a flange connected to the at least one wall and projecting therefrom. The flange preferably has apertures extending partially into the interior portion of the flange from its exterior surface. The flange provides structural rigidity to the container and prevents irregularities from being formed in the walls during manufacture. Preferably, the container is a sump having four lower walls, four upper walls integrally connected to the lower walls by the flange, and four entrance walls integrally connected to the upper walls and defining a mouth for receiving fluids. The flange preferably has an upper surface having upper apertures and a lower surface having lower apertures that are axially aligned with the upper apertures. Pins may utilized during manufacture of the sump by rotational molding to form apertures within the flange and aid in preventing irregularities from being formed.
摘要:
A dispenser sump which includes a deflection surface and a distribution channel for distributing liquids about the interior periphery of the sump to allow insertion of fluid removal apparatus along any wall of the sump. The sump also provides increased structural rigidity to support backfill surrounding the sump and to maintain shape integrity.
摘要:
The present invention provides 1) an isolated peptide having the amino acid sequence DLMGYIPAV, (SEQ ID NO: 1); 2) an isolated HCV core polypeptide comprising an L→A substitution at amino acid position 139; 3) an isolated HCV core polypeptide having the amino acid sequence of SEQ ID NO: 2; and 4) a fragment of an HCV core polypeptide having fewer amino acids than the entire HCV core polypeptide and comprising the amino acid sequence SEQ ID NO: 1. Also provided are nucleic acids which encode the peptides and polypeptides of this invention, vectors comprising the nucleic acids of this invention and cells comprising the vectors and nucleic acids of this invention. The present invention further provides methods of producing an immune response in a subject and/or treating or preventing HCV infection in a subject, comprising administering to the subject, or to a cell of the subject, any of the compositions of this invention.
摘要翻译:本发明提供1)具有氨基酸序列DLMGYIPAV(SEQ ID NO:1)的分离肽; 2)在氨基酸位置139包含L> A取代的分离的HCV核心多肽; 3)具有SEQ ID NO:2的氨基酸序列的分离的HCV核心多肽; 和4)具有比整个HCV核心多肽更少的氨基酸并且包含氨基酸序列SEQ ID NO:1的HCV核心多肽的片段。还提供编码本发明的肽和多肽的核酸,其包含 本发明的核酸和包含本发明的载体和核酸的细胞。 本发明进一步提供了在受试者中产生免疫应答和/或治疗或预防受试者的HCV感染的方法,其包括对受试者或受试者的细胞施用任何本发明的组合物。
摘要:
Peptides having high activity in the eliciting of a cytotoxic T lymphocyte response to the HIV-1 envelope glycoprotein gpl60 are described. The activation of 12-15 residue peptides by proteolytic degradation to shorter peptides is shown as are general techniques for characterizing such activation processes.
摘要:
A unitary sump frame made from a continuous material is disclosed. A substantially planar and continuous flange has an inner perimeter defining an opening in the frame and an outer perimeter. A lip is integrally connected to the flange and extends downwardly from the flange. The lip includes a securing mechanism that is operative to attach a component to the frame. A lug is integrally connected to the lip and extends away from the opening. The lug is operative for anchoring the frame.
摘要:
Drop tube inserts and apparatus adapted for use with a riser pipe of a liquid reservoir are provided. Apparatus include a drop tube insert at least partially disposed within an end portion of a drop tube. The drop tube insert includes a wall with inner and outer surfaces wherein the wall of the drop tube insert is devoid of any opening extending between its inner and outer surfaces.
摘要:
The invention is directed to peptides of the HIV-1 envelope protein presenting multiple immune determinants. The peptide elicits both humoral and cell-mediated immune responses in mice having a variety of MHC types. In other embodiments, the invention is directed to immunogens composed of the peptides and methods for immunization employing them.
摘要:
Drop tube segments are provided. Each drop tube segment may be attached to another drop tube segment of a drop tube assembly. The drop tube segments include a wall with a fastener receiving structure that is devoid of any opening extending between inner and outer surfaces of the wall. Methods of making a drop tube assembly are also provided. The methods include the step of inserting a second end portion of a first conduit over a first end portion of a second conduit while edges of an aperture extend radially outwardly away from an outer surface of a first wall of the first conduit.