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تعداد نتایج: 188593 فیلتر نتایج به سال:
We have investigated the mechanisms whereby adoptively transferred murine CD8+ lymphocytes mediate tumor regressions. Noncytolytic, CD8+ tumor-infiltrating lymphocytes (TIL) eradicated established lung tumors in irradiated mice. Many cytolytic and noncytolytic CD8+ TIL cultures specifically secreted interferon gamma (IFN-gamma) and tumor necrosis factor when stimulated with tumor cells in vitro...
PURPOSE Tumor-infiltrating lymphocytes (TIL), in particular CD8(+) T cells and CD20(+) B cells, are strongly associated with survival in ovarian cancer and other carcinomas. Although CD8(+) TIL can mediate direct cytolytic activity against tumors, the role of CD20(+) TIL is poorly understood. Here, we investigate the possible contributions of CD20(+) TIL to humoral and cellular tumor immunity. ...
رگ زایی القایی تومور از گام های اساسی در فرآیند رشد سلول های سرطانی است. پس از اینکه تومور به حداکثر سایز خود در فاز غیر عروقی رسید (توموری با قطر 3-2 میلی متر)، رشد آن متوقف شده و تنها در صورتی ادامه می یابد که تومور توانایی تشکیل یک شبکه عروقی را درون خود داشته باشد. در این مطالعه، مدل های ریاضی گسسته دو بعدی از فرآیند رگ زایی ارائه شده اند. در این مدل ها سعی شده تا فرآیند کاملی از رگ زایی، ش...
PURPOSE Tumor-infiltrating lymphocytes (TIL) are associated with a better prognosis in high-grade serous ovarian cancer (HGSC). However, it is largely unknown how this prognostic benefit of TIL relates to current standard treatment of surgical resection and (neo-)adjuvant chemotherapy. To address this outstanding issue, we compared TIL infiltration in a unique cohort of patients with advanced-s...
Following the clinical success achieved with the first generation of adoptive cell therapy (ACT) utilizing in vitro expanded tumor-infiltrating lymphocytes (TILs), the second and third generations of TIL ACT are evolving toward the use of genetically modified TIL. TIL therapy generally involves the transfer of a high number of TIL, ranging from 109 to 1011 cells. One of the technical difficulti...
To understand the genetics and evolution of foraging in larvae of Drosophila funebris, we examined two strains reared at different breeding sites in the wild. Larvae of the Til-Til strain breed in necrotic cactus tissue, while those of the Pelequén strain rear in necrotic prickly pear cladodes. We measured feeding, locomotion, turning behavior, and latency of D. funebris. Til-Til and Pelequén l...
-Peripheral blood lymphocytes (PBL) were obtained from 13 patients and tumour-intrinsic lymphocytes (TIL) from 20 patients with colorectal cancer. The PBL were separated on a Ficoll-Isopaque gradient and the TIL by digestion of the tumour with collagenase-DNase. Both PBL and TIL were passed through nylonwool columns and the eluted cells were co-cultured for 2 h with 51Cr-labelled tumour cells f...
Purpose: Clinical trials on adoptive T-cell therapy (ACT) using expanded tumor-infiltrating lymphocytes (TIL) have shown response rates of over 50% in refractory melanoma. However, little is known how clinical and pathologic features impact TIL outgrowth isolated from metastatic melanoma tumors. Experimental Design: We analyzed the impact of clinical and pathologic features on initial TIL outgr...
سرطان سینه یکی از سرطان های شایع درزنان است. زنجبیل به دلیل دارار بودن ترکیبات پلی فنولیک از خاصیت آنتی اکسیدانی ، ضد التهابی و ضد دردی قوی ای برخوردار است. با توجه به اثرات مذکور، هدف از مطالعه حاضر بررسی اثر عصاره اتانولی زنجبیل بر وزن بدن و روند رشد تومور در سرطان پستان موش BALB/c می باشد.روش کار: در این تحقیق موشهای ماده 6 تا 8 هفته ای در 4 گروه( n=5) تقسیم شدند. که عبارتند از گروه سرطانی...
Effective immunotherapy options for patients with non-small cell lung cancer (NSCLC) are becoming increasingly available. The immunotherapy focus has been on tumor-infiltrating T cells (TILs); however, tumor-infiltrating B cells (TIL-Bs) have also been reported to correlate with NSCLC patient survival. The function of TIL-Bs in human cancer has been understudied, with little focus on their role...
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