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  • Mice  (23)
  • Gene Expression  (12)
  • American Association for the Advancement of Science (AAAS)  (33)
  • American Association for the Advancement of Science
  • National Academy of Sciences
  • 2020-2023
  • 2005-2009
  • 1990-1994  (33)
  • 1991  (33)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (33)
  • American Association for the Advancement of Science
  • National Academy of Sciences
  • Springer  (1)
Years
  • 2020-2023
  • 2005-2009
  • 1990-1994  (33)
Year
  • 1
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    In vitro and in vivo consequences of VLA-2 expression on rhabdomyosarcoma cells (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-29
    Description: Cloned integrin alpha 2 subunit complementary DNA was expressed on human rhabdomyosarcoma (RD) cells to give a functional VLA-2 (alpha 2 beta 1) adhesion receptor. The VLA-2-positive RDA2 cells not only showed increased adhesion to collagen and laminin in vitro, but also formed substantially more metastatic tumor colonies in nude mice after either intravenous or subcutaneous injection. These results show that a specific adhesion receptor (VLA-2) can markedly enhance both experimental and spontaneous metastasis. In contrast to the metastasis results, there was no difference in either the in vitro growth rate or apparent in vivo tumorigenicity of RD and RDA2 cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chan, B M -- Matsuura, N -- Takada, Y -- Zetter, B R -- Hemler, M E -- CA 37393/CA/NCI NIH HHS/ -- GM 38903/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1991 Mar 29;251(5001):1600-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2011740" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Adhesion ; Cell Line ; Collagen ; Fibronectins ; Humans ; Kinetics ; Laminin ; Lung Neoplasms/pathology/secondary ; Mice ; Mice, Nude ; Neoplasm Metastasis ; Neoplasm Transplantation ; Receptors, Very Late Antigen/genetics/*physiology ; Rhabdomyosarcoma/*pathology ; Transplantation, Heterologous
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    Requirement of heparan sulfate for bFGF-mediated fibroblast growth and myoblast differentiation (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-06-21
    Description: Basic fibroblast growth factor (bFGF) binds to heparan sulfate proteoglycans at the cell surface and to receptors with tyrosine kinase activity. Prevention of binding between cell surface heparan sulfate and bFGF (i) substantially reduces binding of fibroblast growth factor to its cell-surface receptors, (ii) blocks the ability of bFGF to support the growth of Swiss 3T3 fibroblasts, and (iii) induces terminal differentiation of MM14 skeletal muscle cells, which is normally repressed by fibroblast growth factor. These results indicate that cell surface heparan sulfate is directly involved in bFGF cell signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rapraeger, A C -- Krufka, A -- Olwin, B B -- 5T32H007118/PHS HHS/ -- AR39467/AR/NIAMS NIH HHS/ -- HD21881/HD/NICHD NIH HHS/ -- R01 AR039467/AR/NIAMS NIH HHS/ -- R01 HD021881/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1991 Jun 21;252(5013):1705-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Wisconsin, Madison 53706.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1646484" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Division ; Cell Line ; Chlorates/pharmacology ; Fibroblast Growth Factor 2/*metabolism ; Fibroblasts/*cytology ; Heparitin Sulfate/*physiology ; In Vitro Techniques ; Mice ; Muscles/*cytology ; Polysaccharide-Lyases/pharmacology ; Protein Binding ; Receptors, Cell Surface/metabolism ; Structure-Activity Relationship
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Antibody-mediated clearance of alphavirus infection from neurons (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-08
    Description: Humoral immunity is important for protection against viral infection and neutralization of extracellular virus, but clearance of virus from infected tissues is thought to be mediated solely by cellular immunity. However, in a SCID mouse model of persistent alphavirus encephalomyelitis, adoptive transfer of hyperimmune serum resulted in clearance of infectious virus and viral RNA from the nervous system, whereas adoptive transfer of sensitized T lymphocytes had no effect on viral replication. Three monoclonal antibodies to two different epitopes on the E2 envelope glycoprotein mediated viral clearance. Treatment of alphavirus-infected primary cultured rat neurons with these monoclonal antibodies to E2 resulted in decreased viral protein synthesis, followed by gradual termination of mature infectious virion production. Thus, antibody can mediate clearance of alphavirus infection from neurons by restricting viral gene expression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Levine, B -- Hardwick, J M -- Trapp, B D -- Crawford, T O -- Bollinger, R C -- Griffin, D E -- NS29234/NS/NINDS NIH HHS/ -- T32-NS-07000/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1991 Nov 8;254(5033):856-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1658936" target="_blank"〉PubMed〈/a〉
    Keywords: Alphavirus/immunology/isolation & purification/*physiology ; Animals ; Antibodies, Monoclonal/*therapeutic use ; Central Nervous System/immunology/*microbiology ; Encephalomyelitis/*immunology/microbiology/therapy ; *Immunotherapy, Adoptive ; Mice ; Mice, Inbred Strains ; Mice, SCID ; Neurons/immunology/*microbiology ; RNA, Viral/isolation & purification ; T-Lymphocytes/*immunology ; Togaviridae Infections/*immunology/therapy ; Virus Replication
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Identification of a gene located at chromosome 5q21 that is mutated in colorectal cancers (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-15
    Description: Recent studies have suggested the existence of a tumor suppressor gene located at chromosome region 5q21. DNA probes from this region were used to study a panel of sporadic colorectal carcinomas. One of these probes, cosmid 5.71, detected a somatically rearranged restriction fragment in the DNA from a single tumor. Further analysis of the 5.71 cosmid revealed two regions that were highly conserved in rodent DNA. These sequences were used to identify a gene, MCC (mutated in colorectal cancer), which encodes an 829-amino acid protein with a short region of similarity to the G protein-coupled m3 muscarinic acetylcholine receptor. The rearrangement in the tumor disrupted the coding region of the MCC gene. Moreover, two colorectal tumors were found with somatically acquired point mutations in MCC that resulted in amino acid substitutions. MCC is thus a candidate for the putative colorectal tumor suppressor gene located at 5q21. Further studies will be required to determine whether the gene is mutated in other sporadic tumors or in the germ line of patients with an inherited predisposition to colonic tumorigenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kinzler, K W -- Nilbert, M C -- Vogelstein, B -- Bryan, T M -- Levy, D B -- Smith, K J -- Preisinger, A C -- Hamilton, S R -- Hedge, P -- Markham, A -- 6M 07184/PHS HHS/ -- CA 06973/CA/NCI NIH HHS/ -- CA 09243/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1991 Mar 15;251(4999):1366-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Genetics Laboratory, Johns Hopkins Oncology Center, Baltimore, MD 21231.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1848370" target="_blank"〉PubMed〈/a〉
    Keywords: Adenomatous Polyposis Coli/*genetics ; Amino Acid Sequence ; Animals ; Base Sequence ; *Chromosomes, Human, Pair 5 ; Colorectal Neoplasms/*genetics ; Exons ; GTP-Binding Proteins/metabolism ; Gene Expression ; *Genes, Tumor Suppressor ; Humans ; Molecular Sequence Data ; Mutation ; Oligonucleotides/chemistry ; Polymerase Chain Reaction ; Proteins/*genetics/metabolism ; Rats ; Sequence Homology, Nucleic Acid ; *Tumor Suppressor Proteins
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Characterization of a cofactor that regulates dimerization of a mammalian homeodomain protein (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-20
    Description: Dimerization among transcription factors has become a recurrent theme in the regulation of eukaryotic gene expression. Hepatocyte nuclear factor-1 alpha (HNF-1 alpha) is a homeodomain-containing protein that functions as a dimer. A dimerization cofactor of HNF-1 alpha (DCoH) was identified that displayed a restricted tissue distribution and did not bind to DNA, but, rather, selectively stabilized HNF-1 alpha dimers. The formation of a stable tetrameric DCoH-HNF-1 alpha complex, which required the dimerization domain of HNF-1 alpha, did not change the DNA binding characteristics of HNF-1 alpha, but enhanced its transcriptional activity. However, DCoH did not confer transcriptional activation to the GAL4 DNA binding domain. These results indicate that DCoH regulates formation of transcriptionally active tetrameric complexes and may contribute to the developmental specificity of the complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mendel, D B -- Khavari, P A -- Conley, P B -- Graves, M K -- Hansen, L P -- Admon, A -- Crabtree, G R -- CA 09302/CA/NCI NIH HHS/ -- HD 07201/HD/NICHD NIH HHS/ -- HL 33942/HL/NHLBI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1991 Dec 20;254(5039):1762-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Stanford University, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1763325" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Nucleus/physiology ; Chromosome Deletion ; DNA-Binding Proteins/*metabolism ; Gene Library ; Hepatocyte Nuclear Factor 1 ; Hepatocyte Nuclear Factor 1-alpha ; Hepatocyte Nuclear Factor 1-beta ; Humans ; *Hydro-Lyases ; Liver/physiology ; Macromolecular Substances ; Mice ; Molecular Sequence Data ; *Nuclear Proteins ; Protein Biosynthesis ; RNA, Messenger/genetics ; Rabbits ; Rats ; Reticulocytes/metabolism ; Transcription Factors/genetics/*metabolism ; Transcription, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Induction of Plasmodium falciparum transmission-blocking antibodies by recombinant vaccinia virus (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-31
    Description: Many candidate antigens of malaria vaccines have limited immunological recognition. One exception is Pfs25, a cysteine-rich, 25-kilodalton sexual stage surface protein of Plasmodium falciparum. Pfs25 is a target of monoclonal antibodies that block transmission of malaria from vertebrate host to mosquito vector. The surface of mammalian cells infected with a recombinant vaccinia virus that expressed Pfs25 specifically bound transmission-blocking monoclonal antibodies. Furthermore, major histocompatibility complex-disparate congenic mouse strains immunized with recombinant Pfs25 elicited transmission-blocking antibodies, demonstrating that the capacity to develop transmission-blocking antibodies is not genetically restricted in mice. Live recombinant viruses may provide an inexpensive, easily administered alternative to subunit vaccines prepared from purified recombinant proteins to block transmission of malaria in developing countries.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaslow, D C -- Isaacs, S N -- Quakyi, I A -- Gwadz, R W -- Moss, B -- Keister, D B -- New York, N.Y. -- Science. 1991 May 31;252(5010):1310-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Malaria Section, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925544" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/analysis/immunology ; Antibodies, Protozoan/*immunology ; Antigens, Protozoan ; Immunization ; Malaria, Falciparum/*prevention & control ; Mice ; Plasmodium falciparum/*immunology ; Protozoan Proteins/genetics/*immunology ; Recombinant Proteins/immunology ; Transfection ; Vaccinia virus/genetics/*immunology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Identification of FAP locus genes from chromosome 5q21 (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-08-09
    Description: Recent studies suggest that one or more genes on chromosome 5q21 are important for the development of colorectal cancers, particularly those associated with familial adenomatous polyposis (FAP). To facilitate the identification of genes from this locus, a portion of the region that is tightly linked to FAP was cloned. Six contiguous stretches of sequence (contigs) containing approximately 5.5 Mb of DNA were isolated. Subclones from these contigs were used to identify and position six genes, all of which were expressed in normal colonic mucosa. Two of these genes (APC and MCC) are likely to contribute to colorectal tumorigenesis. The MCC gene had previously been identified by virtue of its mutation in human colorectal tumors. The APC gene was identified in a contig initiated from the MCC gene and was found to encode an unusually large protein. These two closely spaced genes encode proteins predicted to contain coiled-coil regions. Both genes were also expressed in a wide variety of tissues. Further studies of MCC and APC and their potential interaction should prove useful for understanding colorectal neoplasia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kinzler, K W -- Nilbert, M C -- Su, L K -- Vogelstein, B -- Bryan, T M -- Levy, D B -- Smith, K J -- Preisinger, A C -- Hedge, P -- McKechnie, D -- CA06973/CA/NCI NIH HHS/ -- CA35494/CA/NCI NIH HHS/ -- CA44688/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 Aug 9;253(5020):661-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Genetics Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD 21231.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1651562" target="_blank"〉PubMed〈/a〉
    Keywords: Adenomatous Polyposis Coli/*genetics ; Amino Acid Sequence ; Base Sequence ; Chromosome Mapping ; *Chromosomes, Human, Pair 5 ; Colon/physiology ; Colonic Neoplasms/genetics ; Exons ; Gene Expression ; Humans ; Intestinal Mucosa/*physiology ; Molecular Sequence Data ; Muscles/physiology ; Oligonucleotide Probes ; Polymerase Chain Reaction ; Probability ; Protein Conformation ; Receptors, Cholinergic/physiology ; Restriction Mapping ; Sequence Homology, Nucleic Acid
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Subtle cerebellar phenotype in mice homozygous for a targeted deletion of the En-2 homeobox (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-08
    Description: The two mouse genes, En-1 and En-2, that are homologs of the Drosophila segmentation gene engrailed, show overlapping spatially restricted patterns of expression in the neural tube during embryogenesis, suggestive of a role in regional specification. Mice homozygous for a targeted mutation that deletes the homeobox were viable and showed no obvious defects in embryonic development. This may be due to functional redundancy of En-2 and the related En-1 gene product during embryogenesis. Consistent with this hypothesis, the mutant mice showed abnormal foliation in the adult cerebellum, where En-2, and not En-1, is normally expressed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Joyner, A L -- Herrup, K -- Auerbach, B A -- Davis, C A -- Rossant, J -- HD25334/HD/NICHD NIH HHS/ -- NS18381/NS/NINDS NIH HHS/ -- NS20591/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1991 Mar 8;251(4998):1239-43.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1672471" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst ; Cell Line ; Cerebellum/*anatomy & histology/embryology/pathology ; Chimera ; *Chromosome Deletion ; Female ; *Genes, Homeobox ; Male ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Nervous System/embryology ; Phenotype
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Identification of Ets- and notch-related subunits in GA binding protein (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-08-16
    Description: Recombinant cDNA clones that encode two distinct subunits of the transcription factor GA binding protein (GABP) have been isolated. The predicted amino acid sequence of one subunit, GABP alpha, exhibits similarity to the sequence of the product of the ets-1 protooncogene in a region known to encompass the Ets DNA binding domain. The sequence of the second subunit, GABP beta, contains four 33-amino acid repeats located close to the NH2-terminus of the subunit. The sequences of these repeats are similar to repeats in several transmembrane proteins, including Notch from Drosophila melanogaster and Glp-1 and Lin-12 from Caenorhabditis elegans. Avid, sequence-specific binding to DNA required the presence of both polypeptides, revealing a conceptual convergence of nuclear transforming proteins and membrane-anchored proteins implicated in developmentally regulated signal transduction processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉LaMarco, K -- Thompson, C C -- Byers, B P -- Walton, E M -- McKnight, S L -- New York, N.Y. -- Science. 1991 Aug 16;253(5021):789-92.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Research Laboratories, Carnegie Institution of Washington, Department of Embryology, Baltimore, MD 21210.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1876836" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Blotting, Northern ; Cloning, Molecular ; DNA-Binding Proteins/*chemistry/genetics ; GA-Binding Protein Transcription Factor ; Gene Expression ; Molecular Sequence Data ; Nuclear Proteins/chemistry/genetics ; Peptides/chemistry ; Proto-Oncogene Protein c-ets-1 ; Proto-Oncogene Proteins/chemistry ; Proto-Oncogene Proteins c-ets ; RNA, Messenger/genetics ; Rats ; Recombinant Proteins ; Transcription Factors/*chemistry/genetics
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Human immunodeficiency virus infection of human-PBL-SCID mice (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-15
    Description: Severe combined immunodeficient (SCID) mice reconstituted with human peripheral blood leukocytes (hu-PBL-SCID mice) have inducible human immune function and may be useful as a small animal model for acquired immunodeficiency syndrome (AIDS) research. Hu-PBL-SCID mice infected with human immunodeficiency virus-1 (HIV-1) contained virus that was recoverable by culture from the peritoneal cavity, spleen, peripheral blood, and lymph nodes for up to 16 weeks after infection; viral sequences were also detected by in situ hybridization and by amplification with the polymerase chain reaction (PCR). Mice could be infected with multiple strains of HIV-1, including LAV-1/Bru, IIIB, MN, SF2, and SF13. HIV-1 infection affected the concentration of human immunoglobulin and the number of CD4+ T cells in the mice. These results support the use of the hu-PBL-SCID mouse for studies of the pathogenesis and treatment of AIDS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mosier, D E -- Gulizia, R J -- Baird, S M -- Wilson, D B -- Spector, D H -- Spector, S A -- AI-27703/AI/NIAID NIH HHS/ -- AI-29182/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1991 Feb 15;251(4995):791-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Immunology, Medical Biology Institute, La Jolla, CA 92037.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1990441" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Transfusion ; Chimera/*immunology ; *Disease Models, Animal ; *HIV Infections/immunology ; *HIV-1/isolation & purification ; Humans ; Immunologic Deficiency Syndromes/genetics/*immunology ; Lymphocyte Transfusion ; Mice ; Mice, Mutant Strains/*immunology ; Spleen/microbiology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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