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  • 1
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    Induction of broadly cross-reactive cytotoxic T cells recognizing an HIV-1 envelope determinant (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-01-17
    Description: An immunodominant determinant for cytotoxic T lymphocytes (CTLs) exists in the hypervariable portion of human immunodeficiency virus-1 (HIV-1) gp160. Three mouse CTL lines (specific for isolates MN, RF, and IIIB) were examined for recognition of homologous determinants from distinct isolates. Only MN-elicited CTLs showed extensive interisolate cross-reactivity. Residue 325 played a critical role in specificity, with MN-elicited CTLs responding to peptides with an aromatic or cyclic residue and IIIB-induced cells recognizing peptides with an aliphatic residue at this position. CTL populations with broad specificities were generated by restimulation of IIIB-gp160 primed cells with MN-type peptides that have an aliphatic substitution at 325. This represents an approach to synthetic vaccines that can generate broadly cross-reactive CTLs capable of effector function against a wide range of HIV isolates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Takahashi, H -- Nakagawa, Y -- Pendleton, C D -- Houghten, R A -- Yokomuro, K -- Germain, R N -- Berzofsky, J A -- New York, N.Y. -- Science. 1992 Jan 17;255(5042):333-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Nippon Medical School, Tokyo, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1372448" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/immunology ; Amino Acid Sequence ; Animals ; Cell Line ; Cross Reactions ; Epitopes/immunology ; Gene Products, env/genetics/*immunology ; HIV Antigens/immunology ; HIV Envelope Protein gp160 ; HIV-1/*immunology ; In Vitro Techniques ; Mice ; Mice, Inbred BALB C ; Molecular Sequence Data ; Protein Precursors/genetics/*immunology ; Sequence Homology, Nucleic Acid ; T-Lymphocytes, Cytotoxic/*immunology ; Vaccination
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Functional activation of Jak1 and Jak3 by selective association with IL-2 receptor subunits (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-11-11
    Description: The interleukin-2 receptor (IL-2R) consists of three subunits: the IL-2R alpha, IL-2R beta, and IL-2R gamma chains, the last of which is also used in the receptors for IL-4, IL-7, and IL-9. Stimulation with IL-2 induces the tyrosine phosphorylation and activation of the Janus kinases Jak1 and Jak3. Jak1 and Jak3 were found to be selectively associated with the "serine-rich" region of IL-2R beta and the carboxyl-terminal region of IL-2R gamma, respectively. Both regions were necessary for IL-2 signaling. Furthermore, Jak3-negative fibroblasts expressing reconstituted IL-2R became responsive to IL-2 after the additional expression of Jak3 complementary DNA. Thus, activation of Jak1 and Jak3 may be a key event in IL-2 signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miyazaki, T -- Kawahara, A -- Fujii, H -- Nakagawa, Y -- Minami, Y -- Liu, Z J -- Oishi, I -- Silvennoinen, O -- Witthuhn, B A -- Ihle, J N -- P30 CA21765/CA/NCI NIH HHS/ -- R01 DK42932/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1994 Nov 11;266(5187):1045-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Molecular and Cellular Biology, Osaka University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7973659" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Enzyme Activation ; Humans ; Interleukin-2/*pharmacology ; Janus Kinase 1 ; Janus Kinase 3 ; Protein-Tyrosine Kinases/*metabolism ; Receptors, Interleukin-2/chemistry/*metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Tyrosine/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Geniculocortical input drives genetic distinctions between primary and higher-order visual areas (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-06-08
    Description: Studies of area patterning of the neocortex have focused on primary areas, concluding that the primary visual area, V1, is specified by transcription factors (TFs) expressed by progenitors. Mechanisms that determine higher-order visual areas (V(HO)) and distinguish them from V1 are unknown. We demonstrated a requirement for thalamocortical axon (TCA) input by genetically deleting geniculocortical TCAs and showed that they drive differentiation of patterned gene expression that distinguishes V1 and V(HO). Our findings suggest a multistage process for area patterning: TFs expressed by progenitors specify an occipital visual cortical field that differentiates into V1 and V(HO); this latter phase requires geniculocortical TCA input to the nascent V1 that determines genetic distinctions between V1 and V(HO) for all layers and ultimately determines their area-specific functional properties.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3851411/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3851411/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chou, Shen-Ju -- Babot, Zoila -- Leingartner, Axel -- Studer, Michele -- Nakagawa, Yasushi -- O'Leary, Dennis D M -- MH086147/MH/NIMH NIH HHS/ -- R01 MH086147/MH/NIMH NIH HHS/ -- R01 NS031558/NS/NINDS NIH HHS/ -- R01 NS31558/NS/NINDS NIH HHS/ -- R37 NS031558/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2013 Jun 7;340(6137):1239-42. doi: 10.1126/science.1232806.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23744949" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/*physiology ; Gene Deletion ; Gene Expression Regulation ; Genetic Markers ; Mice ; Mice, Knockout ; Neocortex/*physiology ; Neural Stem Cells/metabolism ; Thalamus/*physiology ; Transcription Factors/biosynthesis ; Visual Cortex/*physiology ; Visual Fields/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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