Gastroenterology Research, ISSN 1918-2805 print, 1918-2813 online, Open Access
Article copyright, the authors; Journal compilation copyright, Gastroenterol Res and Elmer Press Inc
Journal website http://www.gastrores.org

Original Article

Volume 4, Number 3, June 2011, pages 114-121

Electron Microscopic Radioautographic Study on the Protein Synthesis in the Pancreas of Aging Mice With Special Reference to Mitochondria

Figures

Figure 1.
Figure 1. EM RAG of 2 pancreatic acinar cells of a newborn day 1 mouse labeled with 3H-leucine, showing a few silver grains in the nucleus and cytoplasm (× 3,000).
Figure 2.
Figure 2. EM RAG of a pancreatic acinar cell of a postnatal day 7 mouse labeled with 3H-leucine (× 3,000).
Figure 3.
Figure 3. A high power magnification EM RAG of a pancreatic acinar cell of a postnatal day 14 mouse containing a nucleus and several mitochondria labeled with 3H-leucine, showing several silver grains in a few mitochondria (× 6,000).
Figure 4.
Figure 4. EM RAG of a pancreatic acinar cell of a postnatal month 6 mouse labeled with 3H-leucine, showing several silver grains on several mitochondria and cytoplasmic matrix (× 6,000).
Figure 5.
Figure 5. EM RAG of a pancreatic acinar cell of a postnatal month 24 mouse labeled with 3H-leucine, showing several silver grains over one of the 2 nuclei as well as over a few mitochondria and endoplasmic reticulum (× 6,000).
Figure 6.
Figure 6. EM RAG of an endocrine cell (the islet of Langerhans) and a pancreatic acinar cell of a postnatal month 24 mouse labeled with 3H-leucine, showing less silver grains in the endocrine cell than the exocrine cell (× 3,000).
Figure 7.
Figure 7. Histogram showing the number of mitochondria per cell in respective aging groups labeled with 3H-leucine.
Figure 8.
Figure 8. Histogram showing the number of labeled mitochondria per cell in respective aging groups labeled with 3H-leucine.
Figure 9.
Figure 9. Histogram showing the average labeling indices in respective aging groups labeled with 3H-leucine.