Abstract:
:Microwave cell death (MCD) is unique in that microscopic morphology and antigenicity are well preserved, while enzymatic activity is lost. The aim of the present study was to carry out DNA electrophoresis, polymerase chain reaction (PCR) amplification and terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling (TUNEL) examination of MCD. DNA electrophoresis indicated only a thick band of large DNA immediately after microwave treatment, which became a smear 6 h later and indicated a delayed type of DNA degradation over 2 weeks. Neither a DNA smear characteristic of oncosis nor DNA ladder patterns characteristic of apoptosis were found in MCD. PCR of p53 in MCD showed a single band at the same level of control of non-microwave treated cells. MCD was negatively stained on TUNEL. These results provide further evidence that MCD is distinct from oncosis and apoptosis, in addition to showing unique morphological and antigenic preservation and enzymatic inactivation.
journal_name
Pathol Intjournal_title
Pathology internationalauthors
Mori I,Ozaki T,Tabuse K,Utsunomiya H,Taniguchi E,Kakudo Kdoi
10.1111/j.1440-1827.2009.02368.xsubject
Has Abstractpub_date
2009-05-01 00:00:00pages
294-9issue
5eissn
1320-5463issn
1440-1827pii
PIN2368journal_volume
59pub_type
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