4,045 research outputs found
gp120 is present on the plasma membrane of apoptotic CD4 cells prepared from lymph nodes of HIV-1-infected individuals: an immunoelectron microscopic study
No full textOBJECTIVE: To study whether free gp120 can be detected on the plasma membranes of apoptotic CD4+ T lymphocytes in lymph nodes from HIV-positive patients. METHODS: Lymph-node cell suspensions prepared from three HIV-positive patients were studied by pre-embedding, double-immunogold-labeling to identify cell type, determine cell morphology, and detect the presence of bound gp120 molecules. Cells were classified by their surface antigens as helper/inducer T lymphocytes (CD4+), cytotoxic/suppressor T lymphocytes (CD8+), B cells (CD20+), and total lymphocytes [CD45+, leukocyte common antigen (LCA)+]. RESULTS: gp120 colabelled with both apoptotic and normal CD4+ T lymphocytes and LCA+ cells, but not with either apoptotic or normal CD8+ T lymphocytes or B cells. gp120 was more often identified on apoptotic than on normal CD4+ T lymphocytes. The gp120 and CD45 label were often colocalized. HIV particles were not identified to be associated with or budding from either normal or apoptotic lymphocytes. CONCLUSIONS: Free gp120 is found bound to CD4+ T cells in lymph nodes of HIV-infected individuals and potentially mark them for premature death by apoptosis
Activated cytotoxic lymphocytes in lymph nodes from human immunodeficiency virus (HIV) 1-infected patients: a light and electronmicroscopic study
No full textPersistent generalized lymphadenopathy often develops during HIV-infection. It is characterized by follicular hyperplasia which progresses over time to follicular involution and finally lymphocyte depletion. To determine whether activated cytotoxic T cells (CD8+) are present in the hyperplastic germinal centres, light and electronmicroscopic immunogold labelling with monoclonal antibodies were used to localize two cytotoxic molecules, perforin and TIA-1. Perforin and TIA-1-positive cells were detected in the follicles and paracortex of lymph nodes from HIV-infected patients, whereas labelling was seen only in cells of the paracortex in the hyperplastic lymph nodes from HIV-negative patients. Cytotoxic granules, staining positive for perforin and TIA-1, were identified by transmission electronmicroscopy, often in proximity to follicular dendritic cells within the hyperplastic germinal centres of only HIV-positive patients. These cytotoxic cells may play a role in the follicular dendritic cell loss and concomitant follicular involution that occur during the evolution of HIV disease
The SSC of the Generalised Jahangir’s Graph Jm,k and its Algebraic Characterizations
No full textIn this article, we present important combinatorial and algebraicproperties of spanning simplicial complex (SSC) of the generalised Jahangir’sgraph Jm,k. We describe the relation to find f−vectors associatedto Δs(Jm,k) and determine the Hilbert series for the SR-ring KΔs(Jm,k).In the end, we present the associated primes of the facet ideal IF(Δs(Jm,k))and the Cohen-Macaulay characterization of the SR-ring of Δs(Jm,k).AMS (MOS) Subject Classification Codes: Primary 13-P10, Secondary 13-F20, 13-C14, 13-H10.Corresponding Author: Agha KashifKey Words: Simplicial Complexes, f-vectors, Spanning Trees, Face Ring, Hilbert Series, CohenMacaulay
To <i>JM</i> on Its 75th Anniversary
No full text This article discusses how Journal of Marketing ( JM) has influenced marketing science and practice by publishing articles on substantive topics relevant to customers, managers, organizations, markets, and society. The journal's 75th anniversary coincides with the 50th anniversary of the Marketing Science Institute (MSI). Frequently, JM and MSI have collaborated to address important substantive marketing issues identified in MSI's Research Priorities. The author highlights seminal articles on brand equity; business-to-business marketing (including sales force management); connecting marketing information, metrics, and strategy; consumer behavior; innovation, new product development. and product management; marketing orientation and capabilities; and market research, methodology and services. She also draws attention to articles that have won the Sheth Foundation/ JM Award and the H. Paul Root Award. The article describes how JM‘s knowledge dissemination is amplified by powerful social network effects. Ideas in JM articles diffuse through the business community, influencing the mind-set of managers worldwide. </jats:p
JM-20, a Benzodiazepine-Dihydropyridine Hybrid Molecule, Inhibits the Formation of Alpha-Synuclein-Aggregated Species
No full text\ua9 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.Studies showed that JM-20, a benzodiazepine-dihydropyridine hybrid molecule, protects against rotenone and 6-hydroxydopamine neurotoxicity. However, its protective effects against cytotoxicity induced by endogenous neurotoxins involved in Parkinson’s disease (PD) pathogenesis have never been investigated. In this study, we evaluated the ability of JM-20 to inhibit alpha-synuclein (aSyn) aggregation. We also evaluated the interactions of JM-20 with aSyn by molecular docking and molecular dynamics and assessed the protective effect of JM-20 against aminochrome cytotoxicity. We demonstrated that JM-20 induced the formation of heterogeneous amyloid fibrils, which were innocuous to primary cultures of mesencephalic cells. Moreover, JM-20 reduced the average size of aSyn positive inclusions in H4 cells transfected with SynT wild-type and synphilin-1-V5, but not in HEK cells transfected with synphilin-1-GFP. In silico studies showed the interaction between JM-20 and the aSyn-binding site. Additionally, we showed that JM-20 protects SH-SY5Y cells against aminochrome cytotoxicity. These results reinforce the potential of JM-20 as a neuroprotective compound for PD and suggest aSyn as a molecular target for JM-20
Uterine transplantation: a promising surrogate to surrogacy?
No full textUterine transplantation: a promising surrogate to surrogacy?
Grynberg M1, Ayoubi JM, Bulletti C, Frydman R, Fanchin R.
Author information
Abstract
Infertility due to the inability of the uterus to carry a pregnancy ranks among the most unresolved issues in reproductive medicine. It affects millions of women worldwide who have congenital or acquired uterine affections, often requiring hysterectomy, and potentially represents a considerable fraction of the general infertile population. Patients suffering from severe uterine infertility are currently compelled to go through gestational surrogacy or adoption; both approaches, unfortunately, deprive them of the maternal experience of pregnancy and birth. Uterine transplantation represents an outstanding, yet complex, perspective to alleviating definitive uterine infertility. In the past decades, a number of scientific experiments conducted both in animals and women, focusing on uterine transplantation, have led to promising results. Collectively, these findings undoubtedly constitute a sound basis to clinically apply uterine transplantation in the near future. This paper is, however, an overview not only of the extent and limitations of accumulated scientific knowledge on uterine transplantation, but also its ethical implications, in an effort to define the actual place of such an approach among the therapeutic arsenal for alleviating infertility.
© 2011 New York Academy of Sciences
Translation and interpretation: Translation redundancy reconsidered
No full textInterpretation is an integral part of the process of translating. This article raises the question of whether interpretation fo a literary work by a translator should be guided by extratextual factors or not. The discussion is illustrated with examples taken from David Hawkes' translation of a Chinese classic, A Dream of Red Mansions. As the work of a scholar-translator, Hawkes' version is richly supplemented with disclosures concerning the characters and explanations of the cultural environment embodied in the novel. In many cases, however, this translation procedure is redundant and explanatory, enlightening the readers but at the same time robbing them of the pleasure of literary interpretation and cultural exploration. By means of this illustration of translation redundancy, the author points out that there is difference between a scholar who helps the interpretation fo a work and a translator who presents a work close to its original version. It is particularly important to pay attention tot his difference in literary translations in a cross-cultural situation involving two enormously different cultures.Language & LinguisticsA&HCI0ARTICLE1,SI115-12
INTERNATIONAL FINANCIAL REPORTING STANDARDS (IFRS), BAIK BAGI USAHA MIKRO KECIL MENENGAH? (Studi Kasus: UMKM JM KERIPIK)
No full textABSTRAKUndang-undang nomor 20 tahun 2008 tentang Usaha Makro Kecil Menengah (UMKM), usaha kecil adalah usaha ekonomi produktif yang berdiri sendiri, yang dilakukan oleh orang perseorangan atau badan usaha yang bukan merupakan anak perusahaan atau bukan cabang perusahaan yang memiliki, dikuasai atau menjadi bagian baik langsung maupun tidak langsung dari usaha menengah atau usaha besar yang memenuhi kriteria. JM Keripik merupakan salah salah UMKM yang bergelut dibidang produksi dan penjualan. IFRS merupakan seperangkat standard yang dikeluarkan oleh Dewan Standard Akuntansi Internasional (IASB). IFRS berguna untuk menyusun laporan keuangan yang dapat diterima di dunia Global.Penulistertarik untukmengetahuipencatatankeuanganJM Keripik dan apakah perlu merekomendasikan IFRS pada UMKM JM Keripik. Metode penelitian yang digunakaan penulis adalah kualitatif yaitu observasi dan wawancara. Dari hasil penelitian banyak terdapat pencatatan-pencatatan yang kurang terperinci, UMKM JM Keripik hanya memilki empat macam pencatatan yaitu pencatatan mengenai: 1.Stock barang, 2.Supliyer, 3.Costumer dan 4.Stock toko, pencatatan ini hanya dapat dimengerti oleh pemilik JM Keripik. Sebaiknya pemilik UMKM JM Keripik mengganti laporan keuangan yang sederhana ke laporan keuangan yang semestinya dan yang berbasis IFRS karena IFRS membawa dampak positif bagi UMKM dan merupakan standar akuntansi keuangan yang digunakan dunia global. Kata Kunci : UMKM, IFRS, JM Keripik ABSTRACT Act number 20 of 2008 concerning the Macro Small and Medium Enterprises, small businesses are productive economic activities that stand alone, carried out by an individual or business entity that is not a subsidiary or not a branch of the company that owns, controlled or become part either directly or indirectly from medium or large businesses that meet the criteria. JM Keripik which deals in the field of production and sales. IFRS is a set of standards issued by the International Accounting Standards Board (IASB). IFRS is useful for preparing financial statements that is acceptable in the global world. Authors interested in knowing the financial records of JM Keripik and whether to recommend IFRS on JM Keripik. The research method is qualitative author of observation and interviews. From the research there are many registries are less detailed, JM Keripik has only four kinds of recording is recording about: 1.Stock goods, 2.Supliyer, 3.Costumer and 4.Stock shop, registration can only be understood by the owner of JM Keripik. JM Keripik owners should replace the simple financial reports to the appropriate financial statements and IFRS-based IFRS for Macro Small and Medium Enterprises had a positive impact and a financial accounting standards global world. Keywords : UMKM, IFRS, JM Keripi
Studies in subjects with long-term nonprogressive human immunodeficiency virus infection.
No full textBACKGROUND: In a small percentage of persons infected with human immunodeficiency virus type 1 (HIV-1), there is no progression of disease and CD4+ T-cell counts remain stable for many years. Studies of the histopathological, virologic, and immunologic characteristics of these persons may provide insight into the pathogenic mechanisms that lead to HIV disease and the protective mechanisms that prevent progression to overt disease. METHODS AND RESULTS: We studied 15 subjects with long-term nonprogressive HIV infection and 18 subjects with progressive HIV disease. Nonprogressive infection was defined as seven or more years of documented HIV infection, with more than 600 CD4+ T cells per cubic millimeter, no antiretroviral therapy, and no HIV-related disease. Lymph nodes from the subjects with nonprogressive infection had significantly fewer of the hyperplastic features, and none of the involuted features, characteristic of nodes from subjects with progressive disease. Plasma levels of HIV-1 RNA and the viral burden in peripheral-blood mononuclear cells were both significantly lower in the subjects with nonprogressive infection than in those with progressive disease (P = 0.003 and P = 0.015, respectively). HIV could not be isolated from the plasma of the former, who also had significantly higher titers of neutralizing antibodies than the latter. There was viral replication, however, in the subjects with nonprogressive infection, and virus was consistently cultured from mononuclear cells from the lymph nodes. In the lymph nodes virus "trapping" varied with the degree of formation of germinal centers, and few cells expressing virus were found by in situ hybridization. HIV-specific cytotoxic activity was detected in all seven subjects with nonprogressive infection who were tested. CONCLUSIONS: In persons who remain free of disease for many years despite HIV infection the viral load is low, but viral replication persists. Lymph-node architecture and immune function appear to remain intact
Gridlock: chaos and confusion in our prisons
No full textBehind the headlines and political posturing, the prison system is in crisis, with inhumane conditions and overcrowding making a mockery of justice, argues Peter JM Wayne, who has spent over 20 years inside. Copyright (c) 2008 The Author. Journal compilation (c) 2008 ippr.
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