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Journal ArticleDOI

Differential hepatocyte toxicity of recombinant Apo2L/TRAIL versions

TLDR
These findings not only provide a novel insight into the pathogenesis of the transplant-related atherosclerosis, but also point to a new therapeutic strategy that involves targeting of homing, differentiation and proliferation of putative smooth-muscle progenitor cells derived from the recipient.
Abstract
Our findings not only provide a novel insight into the pathogenesis of the transplant-related atherosclerosis, but also point to a new therapeutic strategy that involves targeting of homing, differentiation and proliferation of putative smooth-muscle progenitor cells derived from the recipient. This is the first report demonstrating that circulating progenitor cells contribute to the development of proliferative diseases. AKIO SAIURA, MASATAKA SATA, YASUNOBU HIRATA, RYOZO NAGAI MASATOSHI MAKUUCHI Department of Surgery, University of Tokyo, Graduate School of Medicine, Tokyo, Japan, Department of Cardiovascular Medicine University of Tokyo, Graduate School of Medicine, Tokyo, Japan A.S. and M.S. supervised this study equally as senior authors Email: sata-2im@h.u-tokyo.ac.jp 1. McKay, R. Stem cells-hype and hope. Nature 406, 361–364 (2000). 2. Asahara, T. et al. Isolation of putative progenitor endothelial cells for angiogenesis. Science 275, 964–967 (1997). 3. Yamashita, J. et al. Flk1-positive cells derived from embryonic stem cells serve as vascular progenitors. Nature 408, 92–96 (2000). 4. Carmeliet, P. One cell, two fates. Nature 408, 43–45 (2000). 5. Clarke, D.L. et al. Generalized potential of adult neural stem cells. Science 288, 1660–1663 (2000).

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Extrinsic versus intrinsic apoptosis pathways in anticancer chemotherapy.

TL;DR: Understanding the molecular events that regulate apoptosis in response to anticancer chemotherapy, and how cancer cells evade apoptotic death, provides novel opportunities for a more rational approach to develop molecular-targeted therapies for combating cancer.
Journal ArticleDOI

Targeting death and decoy receptors of the tumour-necrosis factor superfamily

TL;DR: Cancer cells often develop resistance to chemotherapy or irradiation through mutations in the p53 tumour-suppressor gene, which prevent apoptosis induction in response to cellular damage, so agents that are designed to activate death receptors or block decoy receptors might be used to kill tumour cells that are resistant to conventional cancer therapies.
Journal ArticleDOI

Overview of cell death signaling pathways

TL;DR: Changing attention is being focused on alternative signaling pathways leading to cell death including necrosis, autophagy, and mitotic catastrophe.
Journal ArticleDOI

The molecular architecture of the TNF superfamily

TL;DR: Protein folds reminiscent of the THD and CRD are also found in other protein families, raising the possibility that the mode of interaction between TNF and TNF receptors might be conserved in other contexts.
Journal ArticleDOI

Apo2L/TRAIL and its death and decoy receptors.

TL;DR: This review focuses on the apoptotic signalling pathways stimulated by Apo2L/TRAIL and summarise what is known about its physiological role.
References
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Journal ArticleDOI

A rapid and simple method for measuring thymocyte apoptosis by propidium iodide staining and flow cytometry

TL;DR: A flow cytometric method for measuring the percentage of apoptotic nuclei after propidium iodide staining in hypotonic buffer is developed and shown an excellent correlation with the results obtained with both electrophoretic and colorimetric methods.
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Identification and characterization of a new member of the TNF family that induces apoptosis

TL;DR: A novel tumor necrosis factor (TNF) family member has been cloned and characterized, and the TRAIL gene is located on chromosome 3 at position 3q26, which is not close to any other known TNF ligand family members.
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Tumoricidal activity of tumor necrosis factor-related apoptosis-inducing ligand in vivo

TL;DR: Recurrent treatments with LZ–huTRAIL actively suppressed growth of the TRAIL–sensitive human mammary adenocarcinoma cell line MDA–231 in CB.17 (SCID) mice, and histologic examination of tumors from SCID mice treated with Lz–hu TRAIL demonstrated clear areas of apoptotic necrosis within 9–12 hours of injection.
Journal ArticleDOI

Safety and antitumor activity of recombinant soluble Apo2 ligand

TL;DR: Apo2L may have potent anticancer activity without significant toxicity toward normal tissues, and cooperated synergistically with the chemotherapeutic drugs 5-fluorouracil or CPT-11, causing substantial tumor regression or complete tumor ablation.
Journal ArticleDOI

Induction of Apoptosis by Apo-2 Ligand, a New Member of the Tumor Necrosis Factor Cytokine Family *

TL;DR: Results suggest that, along with other family members such as Fas/Apo-1 ligand and TNF, Apo-2L may serve as an extracellular signal that triggers programmed cell death.
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