1. Hepatitis B virus X protein: a multifunctional viral regulator

   • Seishi Murakami

   Review Pages: 651 - 660

2. Risk factors for lymph node metastasis of submucosal invasive differentiated type gastric carcinoma: clinical significance of histological heterogeneity

   • Toshihiro Mita
   • Tadakazu Shimoda

   Pages: 661 - 668

3. Genetic differences in CYP2C19 single nucleotide polymorphisms among four Asian populations

   • Sirikan Yamada
   • Masahiko Onda
   • Norio Matsukura

   Pages: 669 - 672

4. Medium-chain triglyceride-rich enteral nutrition is more effective than low-fat enteral nutrition in rat colitis, but is equal in enteritis

   • Tomoyuki Tsujikawa
   • Noriyasu Ohta
   • Tadao Bamba

   Pages: 673 - 680

5. Expression of Fas/Fas ligand (FasL) and its involvement in infiltrating lymphocytes in hepatocellular carcinoma (HCC)

   • Yoshitaka Fukuzawa
   • Kiyoshi Takahashi
   • Shinichi Kakumu

   Pages: 681 - 688

6. Changes in gastrointestinal lymph and blood vessels in patients with cirrhotic portal hypertension

   • Rie Ikeda
   • Kojiro Michitaka
   • Morikazu Onji

   Pages: 689 - 695

7. Association of the interleukin-1 β genetic polymorphism and gastric cancer risk in Japanese

   • Shunji Kato
   • Masahiko Onda
   • Norio Matsukura

   Short communication Pages: 696 - 699

8. Esophageal smooth muscle tumor in a 25-year-old woman with congenital malformations

   • Hisato Maekawa
   • Naoko Tanaka
   • Satoshi Kimura

   Case report Pages: 700 - 703

9. Primary adenocarcinoma of the cervical esophagus arising from heterotopic gastric mucosa

   • Tsuyoshi Noguchi
   • Shinsuke Takeno
   • Shigeo Yokoyama

   Pages: 704 - 709

10. Multiple early gastric cancer associated with sarcoid-like reaction in the regional lymph nodes

    • Masayuki Nakamura
    • Eishi Mizuta
    • Kimio Isiglo

    Case report Pages: 710 - 717

11. Colon cancer in rectal bladder

    • Hitoshi Kotanagi
    • Masanao Ito
    • Tetsuro Kato

    Case report Pages: 718 - 722

12. Development of myasthenia gravis during treatment of chronic hepatitis C with interferon-alpha and ribavirin

    • Christine J. Weegink
    • Robert A. F. M. Chamuleau
    • Delmar S. M. Molenaar

    Letter to the editor Pages: 723 - 724

13. Clinical significance of histologic heterogeneity in submucosal invasive differentiated type gastric carcinoma with respect to endoscopic treatment

    • Shinji Tanaka

    Editorial Pages: 725 - 726

14. Fas and Fas ligand in human hepatocellular carcinoma

    • Tetsuo Takehara
    • Norio Hayashi

    Editorial Pages: 727 - 728