نتایج جستجو برای: cd95l
تعداد نتایج: 278 فیلتر نتایج به سال:
The CD95/CD95 ligand (CD95L) system has been shown to mediate chemotherapeutic drug-induced apoptosis in vitro. However, the contribution of the CD95 pathway to drug-induced apoptosis is controversial. We have shown previously that 5-fluorouracil (5-FU) induces apoptosis in vitro via the activation of the CD95/CD95L system. To study the effects of the chemotherapeutic drug 5-FU and the contribu...
سابقه و هدف: بیماری مولتیپل اسکلروزیس از رایج ترین بیماری های التهابی سیستم اعصاب مرکزی است. در افراد بیمار، اختلال در مسیر آپوپتوز وجود دارد که این باعث می شود سلول های T بیش فعال، آپوپتوز نشده و وارد جریان خون شوند. در میان ژن های مرتبط با بیماری مذکور، ژنی به نام CD95L وجود دارد که در مسیر آپوپتوز نقش ایفا میکند. مواد و روش ها: در این مطالعه از 30 نفر بیمار مبتلا به مولتیپل اسکلروزیس و ...
Over 80% of multiple-tested siRNAs and shRNAs targeting CD95 or CD95 ligand (CD95L) induce a form of cell death characterized by simultaneous activation of multiple cell death pathways preferentially killing transformed and cancer stem cells. We now show these si/shRNAs kill cancer cells through canonical RNAi by targeting the 3'UTR of critical survival genes in a unique form of off-target effe...
Endothelial cells lining new blood vessels that develop during inflammatory disorders or cancers act as doors that either allow or block access to the tumor or inflamed organ. Recent data show that these endothelial cells in cancer tissues and inflamed tissues of lupus patients overexpress CD95L, the biological role of which is a subject of debate. The receptor CD95 (also named Fas or apoptosis...
>80% of a large number of siRNAs and shRNAs targeting CD95 or CD95 ligand (CD95L) induce a form of cell death that is characterized by the simultaneous activation of multiple death pathways and preferentially affects transformed and cancer stem cells. We now show that these si/shRNAs kill cancer cells through canonical RNAi by targeting the 3’UTR of critical survival genes in a unique form of o...
The death receptor CD95/Fas can be activated by immune cells to kill cancer cells. shRNAs and siRNAs derived from CD95 or CD95 ligand (CD95L) are highly toxic to most cancer cells. We recently found that these sh/siRNAs kill cancer cells in the absence of the target by targeting the 3'UTRs of critical survival genes through canonical RNAi. We have named this unique form of off-target effect DIS...
Caspase-cleaved HPK1 induces CD95L-independent activation-induced cell death in T and B lymphocytes.
Life and death of peripheral lymphocytes is strictly controlled to maintain physiologic levels of T and B cells. Activation-induced cell death (AICD) is one mechanism to delete superfluous lymphocytes by restimulation of their immunoreceptors and it depends partially on the CD95/CD95L system. Recently, we have shown that hematopoietic progenitor kinase 1 (HPK1) determines T-cell fate. While ful...
سابقه و هدف: بیماری مولتیپل اسکلروزیس از رایج ترین بیماری های التهابی سیستم اعصاب مرکزی است. در افراد بیمار، اختلال در مسیر آپوپتوز وجود دارد که این باعث می شود سلول های t بیش فعال، آپوپتوز نشده و وارد جریان خون شوند. در میان ژن های مرتبط با بیماری مذکور، ژنی به نام cd95l وجود دارد که در مسیر آپوپتوز نقش ایفا می کند. مواد و روش ها: در این مطالعه از 30 نفر بیمار مبتلا به مولتیپل اسکلروزیس و 30 ف...
Fas (CD95) is a death receptor involved in apoptosis induction on engagement by Fas ligand (CD95L). Although CD95L-mediated apoptosis has been proposed as a pathogenic mechanism in a wide range of diseases, including graft-versus-host disease, systemic CD95 engagement in mice by agonistic CD95-specific antibodies or by soluble multimeric CD95L (smCD95L), though lethal, has been reported to caus...
Clinical trials of adenoviral p53 gene therapy provide the evidence that the bystander effect induced by the wild-type p53 gene transfer on adjacent tumor cells contributes to tumor progression; its mechanism, however, remains uncharacterized. We report in this work that injection of adenovirus expressing the human wild-type p53 gene (Ad5CMVp53) into established human colorectal tumors in nu/nu...
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