The immortality enzyme.

نویسنده

  • L. E. Rutqvist
چکیده

Parametric models have been suggested as an alternative to conventional life table techniques for interpretation of observed survival patterns in cancer. This paper extends earlier work on breast cancer by studying the fit of Boag's lognormal model to the survival of 8,170 breast cancer cases reported to the Swedish Cancer Registry during 1961-1963. The model was also used to analyse the upward survival trend for breast cancer cases in Sweden during 1961-1973. The model fitted the 1961-1963 data well for the entire

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Immortality in the Great Religions and Myths of Iran, Mesopotamia, Sumer, and Greece

In every mythological story, a quest for immortality and eternality depicts man’s inner fervor for unity with gods and the supreme power. Man seeks full immersion in life and longs for immortality at the same time. In other words, he wants to live both in time and in eternity. The desire for eternity in man shows his ceaseless struggle with time, and even more so an intense fight with death to ...

متن کامل

The Relationship Between “Human Immortality” and “Moral Action” From the Perspective of an Iranian Mujtahida (Amin Isfahani)

Islamic culture and wisdom deem human deeds to be eternal like his essence, and the source of happiness or unhappiness in the hereafter. Therefore, moral actions, namely, deeds in accordance with the standards of religious (Islamic) morality, will be the source of human happiness in the hereafter. Following the explanation of the two concepts of immortality and union of deeds with human nature,...

متن کامل

Immortality of cell lines: challenges and advantages of establishment.

Cellular immortality happens upon impairment of cell-cycle checkpoint pathways (p53/p16/pRb), reactivation or up-regulation of telomerase enzyme, or upregulation of some oncogenes or oncoproteins leading to a higher rate of cell division.There are also some other factors and mechanisms involved in immortalisation, which need to be discovered. Immortalisation of cells derived from different sour...

متن کامل

Periodicity and Immortality in Reversible Computing

We investigate the decidability of the periodicity and the immortality problems in three models of reversible computation: reversible counter machines, reversible Turing machines and reversible onedimensional cellular automata. Immortality and periodicity are properties that describe the behavior of the model starting from arbitrary initial configurations: immortality is the property of having ...

متن کامل

Beginning to Understand the End of the Chromosome

In their 1985 Cell paper, Greider and Blackburn announced the discovery of an enzyme that extended the DNA at chromosome telomeres in the ciliate, Tetrahymena. Since then, there has been an explosion of knowledge about both the RNA and protein subunits of this unusual ribonucleoprotein enzyme in organisms ranging from the ciliates to yeast to humans. The regulation of telomerase is now understo...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Environmental Health Perspectives

دوره 103  شماره 

صفحات  -

تاریخ انتشار 1995