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  • 1
    ISSN: 1432-0878
    Keywords: Afferent glomerular arteriole ; Renin ; Myosin ; Juxtaglomerular cells ; Tubulo-glomerular feedback ; Rats ; Mice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The PAP-technique and antibodies to myosin were used to demonstrate the prerequisites for vasoconstriction in the juxtaglomerular part of the preglomerular arteriole as compared with its proximal segment in rats and mice. In contrast with the myosin-positive/renin-negative proximal part of the afferent arteriole no myosin-like activity could be demonstrated in its distal, renin-positive part. In accordance, no thick myofilaments were found in fully differentiated juxtaglomerular epithelioid cells replete with mature secretory granules. Stimulation of the renin-angiotensin system was followed by an increase of the reninpositive/myosin-negative portions of the preglomerular arteriole. Marked interspecies and internephron variations in the length of this vessel segment under control and stimulated conditions were observed. The juxtaglomerular part of the preglomerular arteriole close to the macula densa seems therefore to have only limited capabilities for vasoconstriction. This finding may be of importance regarding the tubulo-glomerular feedback, a mechanism allegedly triggered by the so-called ‘macula densa-signal’. It is suggested that this non-contractile segment of the afferent arteriole may represent the renal vascular receptor responsible for the increase of renin secretion during pressure reduction. Unlike the afferent arterioles, most of the efferent arterioles showed the highest level of their weak but distinct myosin-like immunoreactivity in the juxtaglomerular region, indicating some efferent juxtaglomerular vasoconstrictive ability.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 1999-07-03
    Description: Lymphocyte development is critically influenced by self-antigens. T cells are subject to both positive and negative selection, depending on their degree of self-reactivity. Although B cells are subject to negative selection, it has been difficult to test whether self-antigen plays any positive role in B cell development. A murine model system of naturally generated autoreactive B cells with a germ line gene-encoded specificity for the Thy-1 (CD90) glycoprotein was developed, in which the presence of self-antigen promotes B cell accumulation and serum autoantibody secretion. Thus, B cells can be subject to positive selection, generated, and maintained on the basis of their autoreactivity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hayakawa, K -- Asano, M -- Shinton, S A -- Gui, M -- Allman, D -- Stewart, C L -- Silver, J -- Hardy, R R -- New York, N.Y. -- Science. 1999 Jul 2;285(5424):113-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Cancer Research, Fox Chase Cancer Center, 7701 Burholme Avenue, Philadelphia, PA 19111, USA. K_Hayakawa@fccc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10390361" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/immunology ; Animals ; Antigens, CD5/analysis ; Antigens, Thy-1/*immunology ; Autoantibodies/*biosynthesis/blood/immunology ; Autoantigens/*immunology ; B-Lymphocyte Subsets/*immunology ; Genes, Immunoglobulin ; Hybridomas ; Immunity, Innate ; Immunologic Surveillance ; Mice ; Mice, SCID ; Mice, Transgenic ; Receptors, Antigen, B-Cell/immunology ; Signal Transduction ; T-Lymphocytes/immunology
    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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  • 3
    Publication Date: 2002-06-01
    Description: The high degree of similarity between the mouse and human genomes is demonstrated through analysis of the sequence of mouse chromosome 16 (Mmu 16), which was obtained as part of a whole-genome shotgun assembly of the mouse genome. The mouse genome is about 10% smaller than the human genome, owing to a lower repetitive DNA content. Comparison of the structure and protein-coding potential of Mmu 16 with that of the homologous segments of the human genome identifies regions of conserved synteny with human chromosomes (Hsa) 3, 8, 12, 16, 21, and 22. Gene content and order are highly conserved between Mmu 16 and the syntenic blocks of the human genome. Of the 731 predicted genes on Mmu 16, 509 align with orthologs on the corresponding portions of the human genome, 44 are likely paralogous to these genes, and 164 genes have homologs elsewhere in the human genome; there are 14 genes for which we could find no human counterpart.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mural, Richard J -- Adams, Mark D -- Myers, Eugene W -- Smith, Hamilton O -- Miklos, George L Gabor -- Wides, Ron -- Halpern, Aaron -- Li, Peter W -- Sutton, Granger G -- Nadeau, Joe -- Salzberg, Steven L -- Holt, Robert A -- Kodira, Chinnappa D -- Lu, Fu -- Chen, Lin -- Deng, Zuoming -- Evangelista, Carlos C -- Gan, Weiniu -- Heiman, Thomas J -- Li, Jiayin -- Li, Zhenya -- Merkulov, Gennady V -- Milshina, Natalia V -- Naik, Ashwinikumar K -- Qi, Rong -- Shue, Bixiong Chris -- Wang, Aihui -- Wang, Jian -- Wang, Xin -- Yan, Xianghe -- Ye, Jane -- Yooseph, Shibu -- Zhao, Qi -- Zheng, Liansheng -- Zhu, Shiaoping C -- Biddick, Kendra -- Bolanos, Randall -- Delcher, Arthur L -- Dew, Ian M -- Fasulo, Daniel -- Flanigan, Michael J -- Huson, Daniel H -- Kravitz, Saul A -- Miller, Jason R -- Mobarry, Clark M -- Reinert, Knut -- Remington, Karin A -- Zhang, Qing -- Zheng, Xiangqun H -- Nusskern, Deborah R -- Lai, Zhongwu -- Lei, Yiding -- Zhong, Wenyan -- Yao, Alison -- Guan, Ping -- Ji, Rui-Ru -- Gu, Zhiping -- Wang, Zhen-Yuan -- Zhong, Fei -- Xiao, Chunlin -- Chiang, Chia-Chien -- Yandell, Mark -- Wortman, Jennifer R -- Amanatides, Peter G -- Hladun, Suzanne L -- Pratts, Eric C -- Johnson, Jeffery E -- Dodson, Kristina L -- Woodford, Kerry J -- Evans, Cheryl A -- Gropman, Barry -- Rusch, Douglas B -- Venter, Eli -- Wang, Mei -- Smith, Thomas J -- Houck, Jarrett T -- Tompkins, Donald E -- Haynes, Charles -- Jacob, Debbie -- Chin, Soo H -- Allen, David R -- Dahlke, Carl E -- Sanders, Robert -- Li, Kelvin -- Liu, Xiangjun -- Levitsky, Alexander A -- Majoros, William H -- Chen, Quan -- Xia, Ashley C -- Lopez, John R -- Donnelly, Michael T -- Newman, Matthew H -- Glodek, Anna -- Kraft, Cheryl L -- Nodell, Marc -- Ali, Feroze -- An, Hui-Jin -- Baldwin-Pitts, Danita -- Beeson, Karen Y -- Cai, Shuang -- Carnes, Mark -- Carver, Amy -- Caulk, Parris M -- Center, Angela -- Chen, Yen-Hui -- Cheng, Ming-Lai -- Coyne, My D -- Crowder, Michelle -- Danaher, Steven -- Davenport, Lionel B -- Desilets, Raymond -- Dietz, Susanne M -- Doup, Lisa -- Dullaghan, Patrick -- Ferriera, Steven -- Fosler, Carl R -- Gire, Harold C -- Gluecksmann, Andres -- Gocayne, Jeannine D -- Gray, Jonathan -- Hart, Brit -- Haynes, Jason -- Hoover, Jeffery -- Howland, Tim -- Ibegwam, Chinyere -- Jalali, Mena -- Johns, David -- Kline, Leslie -- Ma, Daniel S -- MacCawley, Steven -- Magoon, Anand -- Mann, Felecia -- May, David -- McIntosh, Tina C -- Mehta, Somil -- Moy, Linda -- Moy, Mee C -- Murphy, Brian J -- Murphy, Sean D -- Nelson, Keith A -- Nuri, Zubeda -- Parker, Kimberly A -- Prudhomme, Alexandre C -- Puri, Vinita N -- Qureshi, Hina -- Raley, John C -- Reardon, Matthew S -- Regier, Megan A -- Rogers, Yu-Hui C -- Romblad, Deanna L -- Schutz, Jakob -- Scott, John L -- Scott, Richard -- Sitter, Cynthia D -- Smallwood, Michella -- Sprague, Arlan C -- Stewart, Erin -- Strong, Renee V -- Suh, Ellen -- Sylvester, Karena -- Thomas, Reginald -- Tint, Ni Ni -- Tsonis, Christopher -- Wang, Gary -- Wang, George -- Williams, Monica S -- Williams, Sherita M -- Windsor, Sandra M -- Wolfe, Keriellen -- Wu, Mitchell M -- Zaveri, Jayshree -- Chaturvedi, Kabir -- Gabrielian, Andrei E -- Ke, Zhaoxi -- Sun, Jingtao -- Subramanian, Gangadharan -- Venter, J Craig -- Pfannkoch, Cynthia M -- Barnstead, Mary -- Stephenson, Lisa D -- New York, N.Y. -- Science. 2002 May 31;296(5573):1661-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Celera Genomics, 45 West Gude Drive, Rockville, MD 20850, USA. richard.mural@celera.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12040188" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Composition ; Chromosomes/*genetics ; Chromosomes, Human/genetics ; Computational Biology ; Conserved Sequence ; Databases, Nucleic Acid ; Evolution, Molecular ; Genes ; Genetic Markers ; *Genome ; *Genome, Human ; Genomics ; Humans ; Mice ; Mice, Inbred A/genetics ; Mice, Inbred DBA/genetics ; Mice, Inbred Strains/*genetics ; Molecular Sequence Data ; Physical Chromosome Mapping ; Proteins/chemistry/genetics ; Sequence Alignment ; *Sequence Analysis, DNA ; Species Specificity ; *Synteny
    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
    Publication Date: 2000-06-17
    Description: Because ribosome biogenesis plays an essential role in cell proliferation, control mechanisms may have evolved to recognize lesions in this critical anabolic process. To test this possibility, we conditionally deleted the gene encoding 40S ribosomal protein S6 in the liver of adult mice. Unexpectedly, livers from fasted animals deficient in S6 grew in response to nutrients even though biogenesis of 40S ribosomes was abolished. However, liver cells failed to proliferate or induce cyclin E expression after partial hepatectomy, despite formation of active cyclin D-CDK4 complexes. These results imply that abrogation of 40S ribosome biogenesis may induce a checkpoint control that prevents cell cycle progression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Volarevic, S -- Stewart, M J -- Ledermann, B -- Zilberman, F -- Terracciano, L -- Montini, E -- Grompe, M -- Kozma, S C -- Thomas, G -- New York, N.Y. -- Science. 2000 Jun 16;288(5473):2045-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Friedrich Miescher Institute, Maulbeerstrasse 66, CH-4058, Basel, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10856218" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Division ; Cyclin D1/biosynthesis/metabolism ; Cyclin E/genetics/metabolism ; Cyclin-Dependent Kinase 4 ; Cyclin-Dependent Kinase 6 ; Cyclin-Dependent Kinases/metabolism ; DNA/biosynthesis ; Food Deprivation ; G1 Phase ; Gene Deletion ; Gene Targeting ; Hepatectomy ; Interferon-alpha/pharmacology ; Liver/*cytology/metabolism/*physiology ; Liver Regeneration ; Mice ; Mice, Inbred Strains ; Phosphorylation ; Polyribosomes/metabolism ; *Protein Biosynthesis ; Protein-Serine-Threonine Kinases/metabolism ; *Proto-Oncogene Proteins ; RNA, Ribosomal/metabolism ; Ribosomal Protein S6 ; Ribosomal Proteins/genetics/*physiology ; Ribosomes/metabolism ; S Phase
    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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  • 5
    Publication Date: 2008-06-13
    Description: Osteoclasts are multinucleated haematopoietic cells that resorb bone. Increased osteoclast activity causes osteoporosis, a disorder resulting in a low bone mass and a high risk of fractures. Increased osteoclast size and numbers are also a hallmark of other disorders, such as Paget's disease and multiple myeloma. The protein c-Fos, a component of the AP-1 transcription factor complex, is essential for osteoclast differentiation. Here we show that the Fos-related protein Fra-2 controls osteoclast survival and size. The bones of Fra-2-deficient newborn mice have giant osteoclasts, and signalling through leukaemia inhibitory factor (LIF) and its receptor is impaired. Similarly, newborn animals lacking LIF have giant osteoclasts, and we show that LIF is a direct transcriptional target of Fra-2 and c-Jun. Moreover, bones deficient in Fra-2 and LIF are hypoxic and express increased levels of hypoxia-induced factor 1alpha (HIF1alpha) and Bcl-2. Overexpression of Bcl-2 is sufficient to induce giant osteoclasts in vivo, whereas Fra-2 and LIF affect HIF1alpha through transcriptional modulation of the HIF prolyl hydroxylase PHD2. This pathway is operative in the placenta, because specific inactivation of Fra-2 in the embryo alone does not cause hypoxia or the giant osteoclast phenotype. Thus placenta-induced hypoxia during embryogenesis leads to the formation of giant osteoclasts in young pups. These findings offer potential targets for the treatment of syndromes associated with increased osteoclastogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bozec, Aline -- Bakiri, Latifa -- Hoebertz, Astrid -- Eferl, Robert -- Schilling, Arndt F -- Komnenovic, Vukoslav -- Scheuch, Harald -- Priemel, Matthias -- Stewart, Colin L -- Amling, Michael -- Wagner, Erwin F -- England -- Nature. 2008 Jul 10;454(7201):221-5. doi: 10.1038/nature07019. Epub 2008 Jun 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Research Institute of Molecular Pathology (I.M.P.), Dr. Bohr-Gasse 7, A-1030 Vienna, Austria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18548006" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Anoxia/*metabolism/pathology ; Bone and Bones/cytology/metabolism/pathology ; *Cell Size ; Cell Survival ; DNA-Binding Proteins/metabolism ; Female ; Fos-Related Antigen-2/deficiency/genetics/*metabolism ; Hypoxia-Inducible Factor 1, alpha Subunit/metabolism ; Hypoxia-Inducible Factor-Proline Dioxygenases ; Immediate-Early Proteins/metabolism ; Leukemia Inhibitory Factor/deficiency/genetics/*metabolism ; Leukemia Inhibitory Factor Receptor alpha Subunit/*metabolism ; Male ; Mice ; Osteoclasts/*cytology/metabolism/pathology ; Procollagen-Proline Dioxygenase ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins c-bcl-2 ; *Signal Transduction
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2013-11-02
    Description: Respiratory syncytial virus (RSV) is the leading cause of hospitalization for children under 5 years of age. We sought to engineer a viral antigen that provides greater protection than currently available vaccines and focused on antigenic site O, a metastable site specific to the prefusion state of the RSV fusion (F) glycoprotein, as this site is targeted by extremely potent RSV-neutralizing antibodies. Structure-based design yielded stabilized versions of RSV F that maintained antigenic site O when exposed to extremes of pH, osmolality, and temperature. Six RSV F crystal structures provided atomic-level data on how introduced cysteine residues and filled hydrophobic cavities improved stability. Immunization with site O-stabilized variants of RSV F in mice and macaques elicited levels of RSV-specific neutralizing activity many times the protective threshold.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4461862/" 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/PMC4461862/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McLellan, Jason S -- Chen, Man -- Joyce, M Gordon -- Sastry, Mallika -- Stewart-Jones, Guillaume B E -- Yang, Yongping -- Zhang, Baoshan -- Chen, Lei -- Srivatsan, Sanjay -- Zheng, Anqi -- Zhou, Tongqing -- Graepel, Kevin W -- Kumar, Azad -- Moin, Syed -- Boyington, Jeffrey C -- Chuang, Gwo-Yu -- Soto, Cinque -- Baxa, Ulrich -- Bakker, Arjen Q -- Spits, Hergen -- Beaumont, Tim -- Zheng, Zizheng -- Xia, Ningshao -- Ko, Sung-Youl -- Todd, John-Paul -- Rao, Srinivas -- Graham, Barney S -- Kwong, Peter D -- ZIA AI005024-11/Intramural NIH HHS/ -- ZIA AI005061-10/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2013 Nov 1;342(6158):592-8. doi: 10.1126/science.1243283.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24179220" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Neutralizing/immunology ; Antigens, Viral/*chemistry/genetics/immunology ; Crystallography, X-Ray ; Cysteine/chemistry/genetics ; Glycoproteins/*chemistry/genetics/immunology ; Humans ; Macaca ; Mice ; Protein Engineering ; Protein Multimerization ; Protein Stability ; Protein Structure, Tertiary ; Respiratory Syncytial Virus Infections/*prevention & control ; Respiratory Syncytial Virus Vaccines/*chemistry ; Vaccination ; Viral Fusion Proteins/*chemistry/genetics/immunology
    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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  • 7
    Publication Date: 2002-10-26
    Description: We show that sex steroids protect the adult murine skeleton through a mechanism that is distinct from that used to preserve the mass and function of reproductive organs. The classical genotropic actions of sex steroid receptors are dispensable for their bone protective effects, but essential for their effects on reproductive tissues. A synthetic ligand (4-estren-3alpha,17beta-diol) that reproduces the nongenotropic effects of sex steroids, without affecting classical transcription, increases bone mass and strength in ovariectomized females above the level of the estrogen-replete state and is at least as effective as dihydrotestosterone in orchidectomized males, without affecting reproductive organs. Such ligands merit investigation as potential therapeutic alternatives to hormone replacement for osteoporosis in both women and men [corrected].〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kousteni, S -- Chen, J R -- Bellido, T -- Han, L -- Ali, A A -- O'Brien, C A -- Plotkin, L -- Fu, Q -- Mancino, A T -- Wen, Y -- Vertino, A M -- Powers, C C -- Stewart, S A -- Ebert, R -- Parfitt, A M -- Weinstein, R S -- Jilka, R L -- Manolagas, S C -- KO2-AR02127/AR/NIAMS NIH HHS/ -- P01-AG13918/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2002 Oct 25;298(5594):843-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Endocrinology and Metabolism, Department of Internal Medicine, and Center for Osteoporosis and Metabolic Bone Diseases, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12399595" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis/drug effects ; Body Weight/drug effects ; Bone Density/*drug effects ; Bone and Bones/*drug effects/physiology ; Breast Neoplasms/pathology ; Cell Division/drug effects ; Cells, Cultured ; Compressive Strength/drug effects ; Dihydrotestosterone/pharmacology ; Estradiol/pharmacology ; Estrenes/metabolism/*pharmacology ; Female ; Humans ; Male ; Mice ; Orchiectomy ; Organ Size/drug effects ; Osteoblasts/*drug effects/physiology ; Osteocalcin/blood ; Osteoclasts/*drug effects/physiology ; Osteogenesis/drug effects ; Osteoporosis/drug therapy ; Ovariectomy ; Pyrazoles/pharmacology ; Receptors, Estrogen/metabolism ; Seminal Vesicles/drug effects ; Transcription, Genetic/drug effects ; Tumor Cells, Cultured ; Uterus/drug effects/metabolism
    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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  • 8
    Publication Date: 2005-11-19
    Description: Craniofacial abnormalities account for about one-third of all human congenital defects, but our understanding of the genetic mechanisms governing craniofacial development is incomplete. We show that GTF2IRD1 is a genetic determinant of mammalian craniofacial and cognitive development, and we implicate another member of the TFII-I transcription factor family, GTF2I, in both aspects. Gtf2ird1-null mice exhibit phenotypic abnormalities reminiscent of the human microdeletion disorder Williams-Beuren syndrome (WBS); craniofacial imaging reveals abnormalities in both skull and jaws that may arise through misregulation of goosecoid, a downstream target of Gtf2ird1. In humans, a rare WBS individual with an atypical deletion, including GTF2IRD1, shows facial dysmorphism and cognitive deficits that differ from those of classic WBS cases. We propose a mechanism of cumulative dosage effects of duplicated and diverged genes applicable to other human chromosomal disorders.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tassabehji, May -- Hammond, Peter -- Karmiloff-Smith, Annette -- Thompson, Pamela -- Thorgeirsson, Snorri S -- Durkin, Marian E -- Popescu, Nicholas C -- Hutton, Timothy -- Metcalfe, Kay -- Rucka, Agnes -- Stewart, Helen -- Read, Andrew P -- Maconochie, Mark -- Donnai, Dian -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2005 Nov 18;310(5751):1184-7. Epub 2005 Nov 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Academic Unit of Medical Genetics, University of Manchester, St. Mary's Hospital, Manchester M13 9PL, UK. m.tassabehji@manchester.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16293761" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Animals ; Cell Line ; Child ; Child, Preschool ; Chromosomes, Human, Pair 7 ; Craniofacial Abnormalities/*genetics ; Face/*embryology ; Female ; Gene Deletion ; Goosecoid Protein/genetics/physiology ; Homozygote ; Humans ; Infant ; Infant, Newborn ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Inbred CBA ; Mice, Transgenic ; Muscle Proteins/*physiology ; Nuclear Proteins/*physiology ; Skull/*embryology ; Trans-Activators/*physiology ; Transcription Factors, TFII/physiology ; Williams Syndrome/*genetics
    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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  • 9
    Publication Date: 1993-09-17
    Description: The bcl-2 proto-oncogene can prevent the death of many cell types. Mice were generated that were chimeric for the homozygous inactivation of bcl-2. Lymphocytes without Bcl-2 differentiated into phenotypically mature cells. However, in vitro, the mature T cells that lacked Bcl-2 had shorter life-spans and increased sensitivity to glucocorticoids and gamma-irradiation. In contrast, stimulation of CD3 inhibited the death of these cells. T and B cells with no Bcl-2 disappeared from the bone marrow, thymus, and periphery by 4 weeks of age. Thus, Bcl-2 was dispensable for lymphocyte maturation, but was required for a stable immune system after birth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nakayama, K -- Negishi, I -- Kuida, K -- Shinkai, Y -- Louie, M C -- Fields, L E -- Lucas, P J -- Stewart, V -- Alt, F W -- AI 15322/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1993 Sep 17;261(5128):1584-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8372353" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD3/immunology ; Apoptosis ; B-Lymphocytes/cytology/*immunology ; Base Sequence ; Bone Marrow/immunology ; Bone Marrow Cells ; Cell Line ; Chimera ; Homozygote ; Humans ; Lymphoid Tissue/cytology/immunology ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Proto-Oncogene Proteins/genetics/*physiology ; Proto-Oncogene Proteins c-bcl-2 ; Proto-Oncogenes ; Receptors, Antigen, T-Cell/immunology ; T-Lymphocytes/cytology/*immunology
    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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  • 10
    Publication Date: 2012-10-05
    Description: Approximately 2% of colorectal cancer is linked to pre-existing inflammation known as colitis-associated cancer, but most develops in patients without underlying inflammatory bowel disease. Colorectal cancer often follows a genetic pathway whereby loss of the adenomatous polyposis coli (APC) tumour suppressor and activation of beta-catenin are followed by mutations in K-Ras, PIK3CA and TP53, as the tumour emerges and progresses. Curiously, however, 'inflammatory signature' genes characteristic of colitis-associated cancer are also upregulated in colorectal cancer. Further, like most solid tumours, colorectal cancer exhibits immune/inflammatory infiltrates, referred to as 'tumour-elicited inflammation'. Although infiltrating CD4(+) T(H)1 cells and CD8(+) cytotoxic T cells constitute a positive prognostic sign in colorectal cancer, myeloid cells and T-helper interleukin (IL)-17-producing (T(H)17) cells promote tumorigenesis, and a 'T(H)17 expression signature' in stage I/II colorectal cancer is associated with a drastic decrease in disease-free survival. Despite its pathogenic importance, the mechanisms responsible for the appearance of tumour-elicited inflammation are poorly understood. Many epithelial cancers develop proximally to microbial communities, which are physically separated from immune cells by an epithelial barrier. We investigated mechanisms responsible for tumour-elicited inflammation in a mouse model of colorectal tumorigenesis, which, like human colorectal cancer, exhibits upregulation of IL-23 and IL-17. Here we show that IL-23 signalling promotes tumour growth and progression, and development of a tumoural IL-17 response. IL-23 is mainly produced by tumour-associated myeloid cells that are likely to be activated by microbial products, which penetrate the tumours but not adjacent tissue. Both early and late colorectal neoplasms exhibit defective expression of several barrier proteins. We propose that barrier deterioration induced by colorectal-cancer-initiating genetic lesions results in adenoma invasion by microbial products that trigger tumour-elicited inflammation, which in turn drives tumour growth.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3601659/" 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/PMC3601659/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grivennikov, Sergei I -- Wang, Kepeng -- Mucida, Daniel -- Stewart, C Andrew -- Schnabl, Bernd -- Jauch, Dominik -- Taniguchi, Koji -- Yu, Guann-Yi -- Osterreicher, Christoph H -- Hung, Kenneth E -- Datz, Christian -- Feng, Ying -- Fearon, Eric R -- Oukka, Mohamed -- Tessarollo, Lino -- Coppola, Vincenzo -- Yarovinsky, Felix -- Cheroutre, Hilde -- Eckmann, Lars -- Trinchieri, Giorgio -- Karin, Michael -- AI043477/AI/NIAID NIH HHS/ -- DK035108/DK/NIDDK NIH HHS/ -- DK080506/DK/NIDDK NIH HHS/ -- K08 DK081830/DK/NIDDK NIH HHS/ -- K99 DK088589/DK/NIDDK NIH HHS/ -- K99-DK088589/DK/NIDDK NIH HHS/ -- R01 AA020703/AA/NIAAA NIH HHS/ -- R01 AI043477/AI/NIAID NIH HHS/ -- R01 AI050265/AI/NIAID NIH HHS/ -- R01 CA082223/CA/NCI NIH HHS/ -- R01CA082223/CA/NCI NIH HHS/ -- England -- Nature. 2012 Nov 8;491(7423):254-8. doi: 10.1038/nature11465.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology, School of Medicine, University of California, San Diego, La Jolla, California 92093-0723, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23034650" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoma/genetics/immunology/*microbiology/*pathology ; Animals ; Bacteria/metabolism/pathogenicity ; Cell Division ; Cell Transformation, Neoplastic/*pathology ; Colitis/complications ; Colorectal Neoplasms/genetics/immunology/*microbiology/*pathology ; Disease Models, Animal ; Disease-Free Survival ; Genes, APC ; Humans ; Inflammation/genetics/immunology/microbiology/pathology ; Interleukin-17/genetics/*immunology ; Interleukin-23/deficiency/genetics/*immunology ; Mice ; Mice, Inbred C57BL ; Myeloid Cells/immunology/metabolism ; Myeloid Differentiation Factor 88/immunology/metabolism ; Signal Transduction ; Toll-Like Receptors/immunology/metabolism ; Tumor Microenvironment ; beta Catenin/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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