Results 51 to 60 of about 4,435 (261)

Métodos para determinar la evasión fiscal: Una revisión bibliográfica. [PDF]

open access: yes, 2022
La evasión fiscal es el mayor desafío al que se enfrenta el sistema tributario, y en sí es un obstáculo para el crecimiento y el desarrollo económico.
Vásquez Maza, Luis Andrés
core  

PIEZO1 is Required for Acute Myeloid Leukemia Progression and Leukemia Stem Cell Maintenance via HIF1A‐SLC7A11 Axis‐Mediated Ferroptosis Defense

open access: yesAdvanced Science, EarlyView.
This study identifies the mechanosensor PIEZO1 as a key factor in promoting acute myeloid leukemia progression and uncovers a ferroptosis defense system mediated by PIEZO1‐HIF1A‐SLC7A11 axis that is essential for leukemia stem cell maintenance. This ferroptotic defense system may represent a unique vulnerability for leukemia stem cells, providing a ...
Tiantian Zhang   +10 more
wiley   +1 more source

Evasión fiscal en el contexto social contemporáneo [PDF]

open access: yes, 2016
La evasión fiscal que surge de la interacción repetida de tres tipos de contribuyentes: los tramposos, ciudadanos honrados y facultativos. Al suponer que la evolución cultural es impulsada sólo por los beneficios materiales.Existen dos formas de evasión ...
Maldonado, J. César   +2 more
core  

Mitochondrial Carrier SLC25A13 Drives Ferroptosis Resistance and Immune Evasion via a STAT3–IFI6 Circuit in Breast Cancer

open access: yesAdvanced Science, EarlyView.
SLC25A13 is identified as an immunometabolic driver of triple‐negative breast cancer that sustains ferroptosis resistance and immune evasion through a STAT3–IFI6 circuit. Pharmacologic degradation of SLC25A13 restores ferroptosis sensitivity and enhances anti‐PD‐1 efficacy, highlighting a strategy to convert immune‐cold tumors into immunotherapy ...
Yingze Zhu   +8 more
wiley   +1 more source

Combining Radiation‐Treated Tumor Vaccines With Mn‐MOF Nanoadjuvants to Amplify Radiation Induced Anti‐Tumor Immune Responses

open access: yesAdvanced Science, EarlyView.
Radiotherapy‐treated tumor membranes are integrated with Mn‐MOF nanoadjuvants to generate Mn@RM, a lymph node‐draining nanovaccine that delivers radiotherapy‐remodeled antigenic components. Mn@RM enhances dendritic cell activation, amplifies T cell‐mediated antitumor immunity, and synergizes with radiotherapy and PD‐1 blockade for combination cancer ...
Yiyu Wang   +8 more
wiley   +1 more source

Radiation‐Induced Tumor‐Intrinsic LTβR N‐Glycosylation Suppresses Pyroptosis Through TRIM28‐Mediated PCBP2 SUMOylation to Promote Gastric Cancer Radioresistance

open access: yesAdvanced Science, EarlyView.
Radiotherapy triggers LTβR N‐glycosylation, enhancing its overall protein stability and nuclear retention. This accumulation drives TRIM28‐mediated PCBP2 SUMOylation, suppressing pyroptosis and conferring gastric cancer radioresistance. Therapeutically, a targeted nanoplatform (cRGD‐Lipo@EMD) effectively disrupts this regulatory axis, offering a highly
Weijie Zang   +8 more
wiley   +1 more source

Ética, corrupción y tributación internacional

open access: yesDiagnóstico FACIL Empresarial Finanzas Auditoria Contabilidad Impuestos Legal, 2021
Este artículo analiza de manera reflexiva y teórica la ética, la corrupción y la tributación internacional. El objetivo de esta investigación es analizar la problemática de la evasión fiscal internacional, así como las propuestas para combatir los ...
Leonardo Eliphas Daza Ramírez   +2 more
doaj  

THE LINK BETWEEN ACCOUNTING AND FISCAL EVASION

open access: yesStudies and Scientific Researches: Economics Edition, 2008
In the literature, controversies have arisen concerning the link between accounting and fiscal evasion, which are the object of debates among specialists from different specialized organizations from many countries. Under the term of “creative accounting”
Silvia Lăzărescu (Marinescu)
doaj   +1 more source

Evasión fiscal en Colombia y su impacto en la sociedad

open access: yes
La evasión de impuestos en Colombia es un fenómeno arraigado, que no solo afecta la capacidad del Estado para financiar el desarrollo social, sino que también profundiza las desigualdades económicas.
Trujillo Tapia, Wuinder Trujillo   +2 more
core   +1 more source

Evasión de impuestos en las pymes del sector metalúrgico del municipio de Apartadó

open access: yes, 2023
La evasión de impuestos en las PYMES del sector metalúrgico del municipio de Apartadó es un problema que afecta tanto a las empresas como al Estado. La evasión fiscal es un fenómeno social que tiene consecuencias negativas para el desarrollo económico y ...
Córdoba Londoño, Harvey Stivinson
core  

Home - About - Disclaimer - Privacy