1. IGF-I and IGF-I receptor in mouse colon cancer cells

   • Pomila Singh
   • Satya Narayan
   • Yallampalli Chandrasekhar

   Letter To The Editor Pages: 755 - 758

2. Normal human salivary gland cells produce carcinoembryonic antigen-related antigen in collagen gels

   • Mineko Iwai
   • Hiroshi Miyahara
   • Takashi Matsunaga

   Letter To The Editor Pages: 759 - 762

3. Immortalization of human tracheal gland epithelial cells by adenovirus12-SV40 hybrid virus

   • Dharam P. Chopra
   • Bharti Hukku
   • Patricia A. Mathieu

   Letter To The Editor Pages: 763 - 765

4. Human endothelial cell line, ECV304, produces pro-urokinase

   • Kimiko Takahashi
   • Yoshio Sawasaki

   Letter To The Editor Pages: 766 - 768

5. Effect of collagenase from different sources on isolation of trophoblast cells

   • D. Stefanov
   • R. Georgieva
   • L. Petrova

   Letter To The Editor Pages: 769 - 770

6. Immortalization of brain capillary endothelial cells with maintenance of structural characteristics of the blood-brain barrier endothelium

   • O. Durieu-Trautmann
   • N. Foignant-Chaverot
   • P. O. Couraud

   Regular Papers Pages: 771 - 778

7. Responsiveness of a human parotid epithelial cell line (HSY) to autonomic stimulation: Muscarinic control of K⁺ transport

   • Lauren L. Patton
   • Steven Pollack
   • Robert B. Wellner

   Regular Papers Pages: 779 - 785

8. Radial histophysiologic gradient culture chamber: Rationale and preparation

   • Joseph Leighton

   Regular Papers Pages: 786 - 790

9. Isolation and characterization of clonal vascular smooth muscle cell lines from spontaneously hypertensive and normotensive rat aortas

   • Keith L. Hall
   • Joseph W. Harding
   • Howard L. Hosick

   Regular Papers Pages: 791 - 798

10. Cytotoxic effect of adriamycin and agarose-coupled adriamycin on glomerular epithelial cells: Role of free radicals

    • Roberta Bertelli
    • Fabrizio Ginevri
    • Gian Marco Ghiggeri

    Regular Papers Pages: 799 - 804

11. Critical variables controlling cell proliferation in primary cultures of rat tracheal epithelial cells

    • Thomas Gray
    • Joyce Rundhaug
    • Paul Nettesheim

    Regular Papers Pages: 805 - 814

12. Human dermal fibroblasts express multiple bFGF and aFGF proteins

    • Leslie L Root
    • Gary D. Shipley

    Rapid Communications In Cell Biology Pages: 815 - 822

13. Origin of chromosome rearrangements in two long-lived human keratinocyte lines

    • Carla Rosenberg
    • Gail Stetten
    • John W. Littlefield

    Rapid Communications In Cell Biology Pages: 823 - 825