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28 resultados encontrados.

Tipos de recurso: Libro electrónico Artículo Revista Tesis Capítulo
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Transcription elongation can be sufficient, but is not necessary, to advance replication timing
Artículo
Material complementario disponible Artículo DOAJ
Athanasios E Vouzas et al · Springer Nature · 2026 · ISSN 1469-3178
Abstract DNA replication timing (RT) often correlates with transcription during cell fate transitions, yet notable exceptions indicate a complex relationship. Using a reductionist system in mouse embryonic stem cells, we...
LCC LCC:Biology (General)Idioma eng
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Material complementario
Identification and molecular characterization of a novel circular single-stranded DNA virus associated with yerba mate in Argentina
Artículo
Acceso abierto Artículo CONICET Digital
Bejerman, Nicolas et al · Springer Wien · 2018 · ISSN 2811-2815
A single-stranded DNA (ssDNA) virus was detected in Yerba mate samples showing chlorotic linear patterns, chlorotic rings and vein yellowing. The full-genome sequences of six different isolates of this ssDNA circular vir...
Idioma eng
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Open Access
Puerarin alleviates crystalline silica-induced pulmonary fibrosis by suppressing mtDNA leakage-induced senescence and EMT in alveolar type II cells
Artículo
Acceso abierto Artículo DOAJ
Shuwen Gong et al · Elsevier · 2026 · ISSN 0147-6513
Silicosis, caused by inhalation of crystalline silica (SiO2), remains a serious and persistent public health concern. Puerarin (Pue), a bioactive isoflavone derived from Pueraria lobata, is known for its anti-inflammator...
LCC LCC:Environmental pollution; TENDOkVudmlyb25tZW50YWwgc2NpZW5jZXM~Idioma eng
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Open Access
SMC ensures efficient chromosome replication and oriC positioning during Streptomyces spore germination
Artículo
Acceso abierto Artículo DOAJ
Katarzyna Pawlikiewicz et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract Bacterial chromosomes are organized by condensins, such as Structural Maintenance of Chromosomes (SMC) proteins. In Streptomyces, a genus of sporulating bacteria, SMC proteins align chromosomal arms and promote ...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Open Access
Leukaemia Inhibitory Factor (LIF) induces DNA synthesis in Swiss mouse 3T3 cells independently of cyclin D1 expression through a mechanism involving MEK/ERK 1/2 activation
Artículo
Acceso abierto Artículo CONICET Digital
Dekanty, Andres et al · American Society For Biochemistry And Molecular Biology · 2006 · ISSN 6136-6143
Leukemia inhibitory factor (LIF) and oncostatin M (OSM) induce DNA synthesis in Swiss 3T3 cells through common signaling mechanism(s), whereas other related cytokines such as interleukin-6 and ciliary neurotrophic factor...
Idioma eng
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Open Access
Effects of cottonseed meal supplemented with lysine and enzyme (Hydroenzyme XP) on egg quality and performance of laying hens
Artículo
Material complementario disponible Artículo DOAJ
Ali Asghar Saki et al · Sociedade Brasileira de Zootecnia · 2012 · ISSN 1516-3598
This study was conducted to evaluate the effect of cottonseed meal supplemented with lysine and enzyme on laying hens performance and egg quality. Eighty Hy-Line W-36 white Leghorns were allotted for 12 weeks in a 2 × 2...
LCC LCC:Animal cultureIdioma eng
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Reframing small cell lung cancer: therapeutic lessons from hematologic malignancies
Artículo
Acceso abierto Artículo DOAJ
Kanak Parmar et al · Frontiers Media S.A · 2026 · ISSN 2234-943X
Small cell lung cancer (SCLC) remains one of the most aggressive malignancies, characterized by rapid proliferation, early metastatic dissemination, and poor long-term survival despite initial sensitivity to therapy. SCL...
LCC TENDOk5lb3BsYXNtcy4gVHVtb3JzLiBPbmNvbG9neS4gSW5jbHVkaW5nIGNhbmNlciBhbmQgY2FyY2lub2dlbnM~Idioma eng
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Open Access
A review on phytochemical and bacteriophage based therapeutic strategies for the management of Brucellosis
Artículo
Material complementario disponible Artículo DOAJ
Rajshree Vidyashankar et al · Frontiers Media S.A · 2026 · ISSN 2297-1769
Brucellosis, a zoonotic disease, triggers severe inflammation and reproductive complications in both humans and animals. The standard treatment protocol relies on prolonged antibiotic courses, often combining streptomyci...
LCC TENDOlZldGVyaW5hcnkgbWVkaWNpbmU~Idioma eng
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Adenine Ribonucleotide (AXP) Depletion Due to Inherited Deficiency of Adenosine Deaminase 1 (ADA)
Artículo
Acceso abierto Artículo DOAJ
Teresa K. Tarrant et al · Rockefeller University Press · 2026 · ISSN 3065-8993
Adenosine deaminase 1-deficient severe combined immune deficiency (ADA-SCID) has widely been attributed to the toxic accumulation of adenine deoxyribonucleotides (dAXP) derived from 2’-deoxyadenosine (dAdo). The presen...
LCC LCC:Immunologic diseases. AllergyIdioma eng
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Open Access
Biological characteristics of intestinal organoids versus in vivo intestinal crypts and mechanisms underlying their differential responses to nobiletin
Tesis
Acceso abierto Tesis DOAJ
LI Xuan et al · Editorial Office of Journal of Army Medical University · 2026 · ISSN 2097-0927
Abstract Objective Intestinal organoids serve as important tools for drug screening, but the extent to which they recapitulate in vivo tissue microenvironments and drug responses remains inadequately evaluated. This s...
LCC TENDOk1lZGljaW5lIChHZW5lcmFsKQ~~Idioma zho
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Open Access
Combined Immunodeficiency Manifests from S-Adenosylhomocysteine (SAH) Hydrolase Deficiency
Artículo
Acceso abierto Artículo DOAJ
Ian Cohn et al · Rockefeller University Press · 2026 · ISSN 3065-8993
S-adenosylhomocysteine (SAH) hydrolase deficiency is a rare autosomal recessive disorder caused by pathogenic variants of the gene AHCY. Loss of SAH hydrolase causes SAH accumulation and impairs the methionine/S-adenosyl...
LCC LCC:Immunologic diseases. AllergyIdioma eng
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Open Access
Gut and skin microbiota of Bufo gargarizans tadpoles respond differently to temperature
Artículo
Acceso abierto Artículo DOAJ
Liqun Ma et al · Frontiers Media S.A · 2026 · ISSN 1664-302X
Gut and skin microbiota impact host physiology and can be influenced by environmental changes, however, their reactions to rising environmental temperatures remain unclear. In this study, Bufo gargarizans tadpoles were e...
LCC TENDOk1pY3JvYmlvbG9neQ~~Idioma eng
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Hepatic transcriptomic signatures associated with divergent residual average daily gain phenotypes in beef steers
Artículo
Ficha bibliográfica disponible Artículo DOAJ
Modoluwamu Idowu et al · Frontiers Media S.A · 2026 · ISSN 2673-6225
This study employed hepatic transcriptional changes to catalogue signature genes associated with divergent residual average daily gain (RADG) phenotypes in crossbred beef steers. A total of 108 crossbred beef steers (ave...
LCC TENDOlZldGVyaW5hcnkgbWVkaWNpbmU~Idioma eng
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Ficha bibliográfica
Identification and validation of Kif15 as a potential diagnostic and prognostic biomarker in colon cancer
Artículo
Acceso abierto Artículo DOAJ
Huiming Wu et al · BMC · 2026 · ISSN 1471-230X
Abstract Objective This study aimed to systematically identify and validate KIF15 as a potential diagnostic and prognostic biomarker in colon cancer (CC) using integrated bioinformatics analyses. We further explored its ...
LCC LCC:Diseases of the digestive system. GastroenterologyIdioma eng
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Open Access
Impact of intra-tumoral microbiome on the efficacy of neoadjuvant immunochemotherapy in patients with locally advanced oral squamous cell carcinoma
Artículo
Acceso abierto Artículo DOAJ
Xiaojuan Zheng et al · BMC · 2026 · ISSN 1479-5876
Abstract Objective The predictive value of intratumoral microbiota for the efficacy of neoadjuvant immunochemotherapy, as well as the changes in microbiota before and after treatment, has remained largely unexplored. Me...
LCC LCC:MedicineIdioma eng
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Open Access
The IQGAP1-claudin cell junction axis in cisplatin-induced epithelial damage
Artículo
Acceso abierto Artículo DOAJ
Yusuf Barudi et al · BMC · 2026 · ISSN 1478-811X
Abstract Dysfunction of epithelial cell contacts associates with a myriad of human diseases. Cisplatin is an effective antineoplastic agent where it interferes with DNA replication in proliferating cells, but it causes k...
LCC LCC:Medicine; LCC:CytologyIdioma eng
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Open Access
ASCC3 promotes chemosensitivity in colorectal cancer cells
Artículo
Material complementario disponible Artículo DOAJ
Anqianyi Tu et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract The activating signal co-integrator 1 complex subunit 3 (ASCC3), a multifunctional protein, has been implicated as a prognostic marker in several types of cancer. However, mechanisms underlying its prognostic va...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Pre-cART immune parameters in people living with HIV might help predict CD8+ T-cell characteristics, inflammation levels, and reservoir composition after effective cART
Artículo
Acceso abierto Artículo CONICET Digital
Salido, Jimena Patricia et al · Case Western Reserve University · 2021 · ISSN 2469-2964
Background: Combined antiretroviral treatment (cART) for HIV infection is highly effective in controlling viral replication. However, it cannot achieve a sterilizing cure. Several strategies have been proposed to achieve...
Idioma eng
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Open Access
Predictive biomarkers and preventive strategies for PTLD: a turning point in viro-immunologic precision medicine?
Artículo
Acceso abierto Artículo DOAJ
Sophie Caillard et al · Frontiers Media S.A · 2026 · ISSN 1432-2277
Post-transplant lymphoproliferative disorders (PTLD) represent a heterogeneous group of complications with rising complexity, particularly as EBV-negative forms are increasingly recognized in adult recipients. While earl...
LCC LCC:Specialties of internal medicineIdioma eng
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Open Access
STING inhibits viral lytic reactivation and cell growth in primary effusion lymphoma
Artículo
Acceso abierto Artículo DOAJ
Tiffany S. Nelson et al · Frontiers Media S.A · 2026 · ISSN 1664-3224
Kaposi’s sarcoma-associated herpesvirus (KSHV) is a DNA virus linked to multiple malignancies associated with compromised immunity, such as Kaposi’s sarcoma (KS) and primary effusion lymphoma (PEL). These malignancie...
LCC LCC:Immunologic diseases. AllergyIdioma eng
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Open Access
Site-specific bacterial chromosome engineering mediated by IntA integrase from Rhizobium etli
Artículo
Material complementario disponible Artículo CONICET Digital
Hernández Tamayo, Rogelio et al · BioMed Central · 2016 · ISSN 1471-2180
Background: The bacterial chromosome may be used to stably maintain foreign DNA in the mega-base range. Integration into the chromosome circumvents issues such as plasmid replication, stability, incompatibility, and copy...
Idioma eng
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Source and Purity of Dengue-Viral Preparations Impact Requirement for Enhancing Antibody to Induce Elevated IL-1β Secretion: A Primary Human Monocyte Model.
Artículo
Material complementario disponible Artículo DOAJ
Justin B Callaway et al · Public Library of Science (PLoS) · 2015 · ISSN 1932-6203
Dengue virus is a major global health threat and can lead to life-threatening hemorrhagic complications due to immune activation and cytokine production. Cross-reactive antibodies to an earlier dengue virus infection are...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Structures of nucleotide-bound Redondovirus Rep protein link conformation and function.
Artículo
Acceso abierto Artículo DOAJ
Saira Montermoso et al · Public Library of Science (PLoS) · 2026 · ISSN 1553-7366
Circular Rep-encoding single-stranded DNA (CRESS-DNA) virus Rep proteins are multidomain enzymes that mediate viral DNA rolling-circle replication. Reps nick viral DNA to expose a 3' end for polymerase extension, provide...
LCC LCC:Immunologic diseases. Allergy; LCC:Biology (General)Idioma eng
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Open Access
Telomere protein complexes and their role in lymphoid malignancies
Artículo
Acceso abierto Artículo CONICET Digital
Panero, Julieta et al · Frontiers in bioscience · 2017 · ISSN 1945-0516
Telomeres are highly regulated and dynamic complexes that protect the genomic DNA and prevent the end of linear chromosomes from being misrecognized as a broken DNA. Due to the end replication problem, telomeres of somat...
Idioma eng
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Open Access