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Eastliver
  Hepatobiliary Pancreat Dis Int
 
2009 Vol.  8 No.  2
Published: 2009-04-15

pages 113-224

EDITORIAL
REVIEW ARTICLES
ORIGINAL ARTICLES/Transplantation
ORIGINAL ARTICLES/Liver
ORIGINAL ARTICLES/Biliary
ORIGINAL ARTICLES/Pancreas
CASE REPORTS
MEETINGS AND COURSES
EDITORIAL
121 Takada Y
Some aspects of adult living donor liver transplantation: small-for-size graft and ABO mismatch

Living donor liver transplantation (LDLT) was first performed for pediatric patients, for whom the gap between demand and supply of deceased donor liver grafts was large. With excellent graft and patient survival and proven donor safety, application of LDLT has been expanded from pediatric to adult patients.[1, 2] Between June 1990 and June 2008, a total of 1333 LDLTs were performed at Kyoto University, including 616 adult patients aged more than 18 years. The 5-year patient survival rates have been 81% for pediatric and 68% for adult patients. The survival rates were as lower as 66% within a year for adult patients operated on between 1994 and 2000. Such a high mortality immediately after operation has been a significant problem for adult LDLT. To lower the immediate mortality and improve transplant outcomes, several technical evolutions and refinements of perioperative patient managements have been undertaken. Of these, strategies for small-for-size graft syndrome and ABO blood type mismatch represent the most important issues.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 121-123 .
[Abstract] ( 208 ) [HTML 1KB] [PDF 190KB] ( 1863 )
REVIEW ARTICLES
124 Lau WY, Lai ECH, Lau SHY
The current role of neoadjuvant/adjuvant/chemoprevention therapy in partial hepatectomy for hepatocellular carcinoma: a systematic review

BACKGROUND: Following curative treatment for hepatocellular carcinoma (HCC), 50%-90% of postoperative death is due to recurrent disease. Intra-hepatic recurrence is frequently the only site of recurrence. Thus, any neoadjuvant or adjuvant therapy, which can decrease or delay the incidence of intra-hepatic recurrence, or any cancer chemoprevention which can prevent a new HCC from developing in the liver remnant, will improve the results of liver resection. This article systematically reviewed the current evidence of neoadjuvant, adjuvant, and chemoprevention in partial hepatectomy of HCC.
DATA SOURCES: Studies were identified by searching MEDLINE and PubMed databases for articles from January   1990   to   November   2008   using   the   keywords "hepatocellular carcinoma", "hepatectomy", "adjuvant therapy", "neoadjuvant therapy", and "regional therapy". Additional papers and book chapters were identified by a manual search of the references from the key articles.
RESULTS: Neoadjuvant transarterial chemoembolization or adjuvant regional transarterial chemotherapy± embolization+systemic chemotherapy did not add benefit. Both adjuvant transarterial radioembolization with 131I-lipiodol and adjuvant systemic interferon showed promising results. However, there were only a limited number of such studies.
CONCLUSIONS: Further randomized controlled studies need to be carried out. Currently, there is no consensus on a standard neoadjuvant/adjuvant/chemoprevention therapy in partial hepatectomy for HCC.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 124-133 .
[Abstract] ( 322 ) [HTML 1KB] [PDF 310KB] ( 2858 )
134 Yu CB, Pan XP, Li LJ
Progress in bioreactors of bioartificial livers

BACKGROUND: Bioartificial liver support systems are becoming an effective therapy for hepatic failure. Bioreactors, as key devices in these systems, can provide a favorable growth and metabolic environment, mass exchange, and immunological isolation as a platform. Currently, stagnancy in bioreactor research is the main factor restricting the development of bioartificial liver support systems.
DATA SOURCES: A PubMed database search of English-language literature was performed to identify relevant articles using the keywords "bioreactor", "bioartificial liver", "hepatocyte", and "liver failure". More than 40 articles related to the bioreactors of bioartificial livers were reviewed.
RESULTS: Some progress has been made in the improvement of structures, functions, and modified macromolecular materials related to bioreactors in recent years. The current data on the improvement of bioreactor configurations for bioartificial livers or on the potential of the use of certain scaffold materials in bioreactors, combined with the clinical efficacy and safety evaluation of cultured hepatocytes in vitro, indicate that the AMC (Academic Medical Center) BAL bioreactor and MELS (modular extracorporeal liver support) BAL bioreactor system can partly replace the synthetic and metabolic functions of the liver in phase I clinical studies. In addition, it has been indicated that the microfluidic PDMS (polydimethylsiloxane) bioreactor, or SlideBioreactor, and the microfabricated grooved bioreactor are appropriate for hepatocyte culture, which is also promising for bioartificial livers. Similarly, modified scaffolds can promote the adhesion, growth, and function of hepatocytes, and provide reliable materials for bioreactors.
CONCLUSIONS: Bioreactors, as key devices in bioartificial livers, play an important role in the therapy for liver failure both now and in the future. Bioreactor configurations are indispensable for the development of bioartificial livers used for liver failure, just as the modified scaffold materials available for bioreactors are favorable to the construction of effective bioartificial livers.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 134-140 .
[Abstract] ( 245 ) [HTML 1KB] [PDF 404KB] ( 2806 )
ORIGINAL ARTICLES/Transplantation
141 Meng XQ, Zhang X, Fan J, Zhou L, Hao B, Chen XM, Ma WH, Zheng SS
Detection of human leukocyte antigen compatibility and antibodies in liver transplantation in China

BACKGROUND: The exact roles of human leukocyte antigen (HLA) compatibility, HLA antibodies and underlying diseases in acute rejection of liver transplants are not clear. Moreover, cytomegalovirus (CMV) infection, one of the most common infections after transplantation, is related to HLA genotype and the incidence of acute rejection.
METHODS: Since there are controversial reports, we analyzed the impact of HLA matching, HLA antibodies and underlying diseases in 38 liver transplant recipients in China, and assessed the association of CMV infection and HLA compatibility.
RESULTS: The frequency of no HLA compatibility was high in patients without antigenemia (P=0.019). All 17 patients with HLA-A matching developed antigenemia (P<0.05). Patients with three HLA locus matches were not found in patients with acute rejection (P<0.05), and no relationship between HLA antibodies and acute rejection was found (P>0.05). In patients with acute rejection, no differences were found in the incidence of acute rejection in transplants for hepatitis B, tumors, or combined hepatitis B and tumors (P>0.05).
CONCLUSIONS: There are fewer acute rejections in transplants with more HLA compatibilities. Specific investigations of underlying diseases and HLA typing may be necessary in liver transplantation. The mechanisms of CMV infection and HLA matching should be further studied. HLA before transplantation should be examined for the prevention of acute rejection and CMV infection.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 141-145 .
[Abstract] ( 233 ) [HTML 1KB] [PDF 243KB] ( 2109 )
146 Jiang WW, Kong LB, Li GQ, Wang XH
Expression of iNOS in early injury in a rat model of small-for-size liver transplantation

BACKGROUND: Living donor liver transplantation has been widely accepted as the treatment of choice for end-stage liver disease. Large amounts of nitric oxide generated by inducible nitric oxide synthase (iNOS) have been shown to play an important role in many inflammatory and immune reactions, but expression of iNOS in small-for-size liver transplantation is unknown. The aims of this study were to determine the time course of iNOS mRNA and protein as well as the redox state of liver biopsies in a rat model of small-for-size liver transplantation.
METHODS: Male Sprague-Dawley rats were divided into a control group, a warm ischemia-reperfusion (IR) group, and a small-for-size liver graft group. Real-time RT-PCR and Western blotting were used to characterize the time course of the expression of iNOS mRNA and protein, respectively. Malondialdehyde (MDA) and superoxide dismutase (SOD) were used as markers to characterize the redox state of liver tissues, and the time courses of MDA and SOD levels were also measured.
RESULTS: The expression of iNOS mRNA and protein levels in the warm IR and small-for-size graft groups both significantly increased after reperfusion, and peaked at 3 hours. Moreover, the increase in MDA was accompanied by increased iNOS in the period of 1-24 hours after reperfusion. The MDA levels in the warm IR and small-for-size graft groups significantly increased after reperfusion, peaked at 3 hours, and decreased thereafter. The direction of change in SOD was opposite that of the change in MDA.
CONCLUSIONS: The expression of iNOS mRNA and protein is activated after reperfusion both in hepatic warm IR injury and small-for-size liver graft. Furthermore, the results of this study suggest that iNOS contributes to the damage in warm IR injury and small-for-size grafts via free oxygen radicals.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 146-151 .
[Abstract] ( 243 ) [HTML 1KB] [PDF 536KB] ( 2277 )
152 Zhu H, Marco C, Gianfranco F
Early changes of graft function, cytokines and superoxide dismutase serum levels after donor liver denervation and Kupffer cell depletion in a rat-to-rat liver transplantation model

BACKGROUND: Hepatic reperfusion injury may cause acute inflammatory damage, producing significant organ dysfunction, and is an important problem in liver transplantation. This experiment aimed to study early changes of hepatic function after donor liver denervation and Kupffer cell depletion in rat-to-rat liver transplantation and to evaluate the effect of pre-treatment on liver reperfusion injury.
METHODS: Donor rats were divided into four groups: control group; group G was pre-treated with gadolinium chloride (G), an inhibitor of Kupffer cells; group H with hexamethonium (H), a sympathetic ganglionic blocking agent; and group HG, with combined H and G pre-treatment. Under the same conditions, serum alanine aminotransferase (ALT), arterial ketone body ratio (AKBR), tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), and superoxide dismutase (SOD) of recipient rats were assessed at 4, 8, 16 and 24 hours after liver transplantation. Histological studies of the grafts were compared.
RESULTS: HG pre-treatment significantly decreased ALT, TNF-α, and IL-6 levels, increased AKBR and SOD levels, and demonstrated less pathological damage at 8, 16 and 24 hours compared with the control group. Similar trends were also found in the other groups (G and H). However, the differences among them were not significant at 4 post-operative hours.
CONCLUSIONS: Donor denervation and Kupffer cell depletion had preventive effect on liver reperfusion injury. HG pre-treatment is a feasible and reproducible method to protect grafts from reperfusion injury.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 152-156 .
[Abstract] ( 186 ) [HTML 1KB] [PDF 271KB] ( 1893 )
ORIGINAL ARTICLES/Liver
157 Hua R, Sun YW, Wu ZY, Cheng W, Xu Q, Cao H, Luo M
Role of 2-dimensional Doppler echo-cardiography in screening portopulmonary hypertension in portal hypertension patients

BACKGROUND: Portopulmonary hypertension (PPH) is difficult to recognize in the early and middle stages because it is frequently asymptomatic. As right ventricular function is impaired in patients with moderate and severe PPH, any dramatic hemodynamic changes in liver transplantation or other procedures may result in death from pulmonary and cardiac events. In this study, we investigated the prevalence of PPH in patients with portal hypertension (PHT) mainly caused by hepatitis B virus, and evaluated the effect of 2-dimensional Doppler echocardiography (2D-ECHO) in screening for PPH.
METHODS: One hundred and five PHT patients received transthoracic 2D-ECHO preoperatively, systolic pulmonary arterial pressure (SPAP, normal range <30 mmHg) and pulmonary acceleration time (PAT, normal range ≥120 msec) were measured to screen for PPH (positive result: SPAP ≥30 mmHg and/or PAT <100 msec). Subsequently, pulmonary hemodynamic parameters were measured by right heart catheterization (RHC) for definitive diagnosis of PPH. The results of the two methods were compared to assess the screening effect of 2D-ECHO.
RESULTS: The prevalence of PPH in this study was 3.8% (4/105). About 90% (95/105) of patients had a detectable tricuspid regurgitation by 2D-ECHO and the mean SPAP was 27.7±5.9 mmHg. Twenty-two of these 95 patients had an SPAP >30 mmHg. The mean PAT of all patients was 140±23 msec and 5 were <100 msec. Twenty-two patients were screened out by 2D-ECHO and 4 were diagnosed by RHC. A positive significant correlation (r=0.55, P<0.01) was found between SPAP measured by 2D-ECHO and mean pulmonary artery pressure (MPAP) measured by RHC, and a weak but significant negative correlation (r=-0.27, P=0.005) existed between PAT and pulmonary vascular resistance (PVR). The sensitivity, specificity, agreement rate, positive predictive value and negative predictive value of the screening test were 100%, 82%, 83%, 18% and 100%, respectively.
CONCLUSIONS: The prevalence of PPH in this study is lower than in Western countries. As a screening test, 2D-ECHO has very high sensitivity and negative predictive value. A negative test result can directly be used to exclude PPH, while a positive result should be confirmed by RHC.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 157-161 .
[Abstract] ( 225 ) [HTML 1KB] [PDF 242KB] ( 2207 )
162 Liu Y, Meng XW, Zhou LY, Zhang PY, Sun X, Zhang P
Genetic polymorphism and mRNA levels of cytochrome P450IIE1 and glutathione S-transferase P1 in patients with alcoholic liver disease in different nationalities

BACKGROUND: Alcohol abuse and dependence are major factors in the pathogenesis of alcoholic liver disease (ALD). Alcohol abuse is becoming an increasingly severe problem among the Han, Mongol, and Korean nationalities in northeast China. This study aimed to investigate the relationship between ALD and the genetic polymorphism and expression levels of two enzymes, cytochrome P450IIE1 (CYPIIE1) and glutathione S-transferase P1 (GSTP1) in patients of three nationalities.
METHODS: Peripheral blood was collected from 353 Chinese patients with ALD, 300 alcohol dependent patients without liver disease (alcoholic), and 360 healthy controls. Each group included patients from the Han, Mongol and Korean nationalities. Real-time polymerase chain reaction (PCR) and PCR-restriction fragment length polymorphism (PCR-RFLP) were used.
RESULTS: Regardless of nationality, patients who carried the rare CYPIIE1 C2 and GSTP1 Val alleles were at higher risk of ALD. The frequency of C2 and Val in patients with ALD was respectively 50.00% and 26.98% in the Han, 31.36% and 22.87% in the Mongol, and 45.87% and 22.02% in the Korean nationality. No significant differences were seen in the frequency of either C2 or Val alleles in ALD patients among the three nationalities. In each nationality, the frequency of both C2 and Val alleles was significantly higher in ALD compared to alcoholic and healthy controls. Except for nationality, the average mRNA levels of CYPIIE1 in ALD patients and healthy controls were 10.05% and 2.21%, respectively. The average mRNA levels of GSTP1 in ALD patients and healthy controls were 0.53% and 2.12%, respectively. The mRNA level of CYPIIE1 was higher, and that of GSTP1 was lower in patients with ALD compared to the controls.
CONCLUSIONS: Except for nationality, patients with ALD in this series tended to have a higher mRNA expression of CYPIIE1 and to carry the C2 allele, and tended to have a lower mRNA expression of GSTP1 and to carry the Val allele. There is a causal relationship between the polymorphic alleles, which leads to different mRNA levels and the development of ALD.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 162-167 .
[Abstract] ( 225 ) [HTML 1KB] [PDF 266KB] ( 1933 )
168 Jiang HJ, Zhang ZR, Shen BZ, Wan Y, Guo H, Li JP
Quantification of angiogenesis by CT perfusion imaging in liver tumor of rabbit

BACKGROUND: Tumor angiogenesis is essential for primary and metastatic tumor growth. Computed tomography perfusion (CTP) is a new imaging method, made possible by the recent development of fast CT scanners and improved data analysis techniques, which allows measurement of the physiologic and hemodynamic properties of tissue vasculature. This study aimed to evaluate CTP in the quantification of angiogenesis and to assess the relationship between tissue perfusion parameters and microvascular density (MVD) and vascular endothelial growth factor (VEGF), attempting to detect the physiologic properties of angiogenesis.
METHODS: Sixteen rabbits with VX2 liver tumors underwent multi-slice CT perfusion (MSCTP) on day 14 after tumor inoculation. CTP parameters included hepatic blood flow (HBF), hepatic blood volume (HBV), mean transit time (MTT), permeability of capillary vessel surface (PS), hepatic artery index (HAI), hepatic artery perfusion (HAP), and hepatic portal perfusion (HPP). The border of the tumor was stained with CD34 and VEGF immunohistochemical stains, and MVD was measured by anti-CD34. Then, CTP parameters were determined whether they were correlated with MVD and VEGF using Pearsons correlation coefficient.
RESULTS: The positive expression of MVD was different in the center and border of the tumor (P<0.01). There was a positive correlation between MVD and VEGF in the border (P<0.05). As more VEGF was expressed, the number of microvessels increased. Correlation analyses were also made between the perfusion parameters and MVD and VEGF in the border of the tumor. HBF, PS, HAI, and HAP values were positively correlated with MVD and VEGF (P<0.05), HPP was negatively correlated with MVD and VEGF (P<0.01), and HBV and MTT values were not correlated with MVD and VEGF (P>0.05).
CONCLUSIONS: Significant correlations were found between perfusion parameters and MVD and VEGF. Therefore, MSCTP can be used to evaluate tumor angiogenesis in vivo.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 168-173 .
[Abstract] ( 204 ) [HTML 1KB] [PDF 292KB] ( 2390 )
174 Yang YJ, Chen DZ, Li LX, Sheng QS, Jin ZK, Zhao DF
Targeted IL-24 gene therapy inhibits cancer recurrence after liver tumor resection by inducing tumor cell apoptosis in nude mice

BACKGROUND: Interleukin-24 (IL-24) is a novel candidate tumor suppressor that induces tumor cell apoptosis experimentally in a variety of human malignant cells including liver cancer cells. The present study was conducted to investigate the potential effect of recombinant adeno-associated virus (rAAV)-mediated IL-24 gene therapy on tumor recurrence and metastasis by inducing tumor cell apoptosis in a hepatocellular carcinoma (HCC) model in nude mice.
METHODS: We established a recurrent and metastatic HCC model in nude mice and constructed a rAAV vector carrying alpha-fetoprotein (AFP) promoter for expressing the IL-24 gene (rAVV/AFP/IL-24). The vector was administered by regional injection (liver incisal margin). AFP was detected by radiation immunoassay. Histological evaluation of tumor recurrence and metastasis was performed for the liver and lung. The effect of tumor cell apoptosis was confirmed by TUNEL analysis.
RESULTS: IL-24 gene therapy prevented tumor recurrence and metastasis, as evidenced by marked decreases in the number of metastatic tumor nodules and tumor volume in the liver and lung. At the same time, serum AFP concentration decreased markedly in the IL-24 group compared with the control or rAAV groups (P<0.05). IL-24 gene therapy inhibited tumor recurrence and metastasis as evidenced by the induction of tumor cell apoptosis.
CONCLUSION: The results demonstrated that targeted IL-24 gene therapy was effective in the prevention of postoperative recurrence and metastasis in an HCC nude mice model by induction of tumor cells apoptosis with potential minimum tumor burden.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 174-178 .
[Abstract] ( 252 ) [HTML 1KB] [PDF 360KB] ( 2367 )
ORIGINAL ARTICLES/Biliary
179 Trentini EA, Crema E, Llanos JC, Lerco MM, Magna LA, Leonardi LS
Biliary tract reconstruction using jejunal tube: an experimental study in dogs

BACKGROUND: To physiologically reconstruct the biliary tract, Crema et al suggested the application of the Monti principle to the biliary tract, already used in humans for the urinary tract. With this technique, a jejunal segment is transversely retubularized. This study aimed to evaluate the efficacy of jejunal tube interposition between the common bile duct and duodenum in dogs.
METHODS: Thirteen dogs underwent a laparoscopic common bile duct ligature, followed by a biliodigestive connection by jejunal tube interposition after one week. The levels of glutamic-pyruvic and glutamic-oxalacetic transaminases, total bilirubins, alkaline phosphatase and gamma-glutamyltransferase were assessed before surgery and thereafter weekly until euthanasia, which was performed 6 weeks after biliodigestive connection.
RESULTS: Data on 9 dogs were analyzed statistically. The dogs presented with obstructive jaundice after common bile duct ligature, as confirmed by biochemical examination. They showed a statistically significant reduction in cholestasis after biliodigestive connection by jejunal tube interposition and were healthy until the end of the experiment.
CONCLUSION: A statistically significant reduction was seen in total bilirubin and canalicular enzymes (alkaline phosphatase and gamma-glutamyltransferase) in the 9 dogs 6 weeks after biliodigestive connetion by jejunal tube interposition.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 179-185 .
[Abstract] ( 240 ) [HTML 1KB] [PDF 288KB] ( 2392 )
ORIGINAL ARTICLES/Pancreas
186 Chooklin S
Pathogenic aspects of pulmonary complications in acute pancreatitis patients

BACKGROUND: Experimental and clinical observations show that proinflammatory cytokines and oxidative stress are involved in the development of local and particularly systemic complications in acute pancreatitis (AP) patients. There are often pulmonary complications in such patients. The mechanisms through which lung injury is induced in AP are not fully clear.
METHODS: In order to assess the role of activated neutrophils, pro- and anti-inflammatory cytokines and adhesion molecules at the onset and development of respiratory complications and respiratory failure, we measured the serum levels of pro-inflammatory (IL-1β, IL-6, IL-8, IL-18, TNF-α) and anti-inflammatory (IL-1ra, IL-10) cytokines in 51 AP patients who had been diagnosed with pancreatitis-associated lung injury with and without the development of organ dysfunction.
RESULTS: When admitted to the hospital, severe AP patients had increased concentrations of IL-1β, IL-6, IL-8, IL-18, and TNF-α. The concentration of IL-18 alone was considerably increased in the patients who later developed respiratory failure. The onset of acute respiratory distress syndrome in the AP patients was accompanied by an increase in the level of anti-inflammatory cytokines, especially IL-10. It was noted that in severe lung injury, myeloperoxidase activity in the blood increased significantly, but still reflected the processes taking place in the lung parenchyma. Increase in the concentrations of adhesion molecules preceded the development of pulmonary infiltration with respiratory failure symptoms, which provoked endothelial dysfunction and determined the capillary surface permeability for neutrophils and monocytes.
CONCLUSIONS: In the pathogenesis of respiratory complications in AP cytokines, chemokines and adhesion molecules, in particular IL-1β, IL-6, IL-8, IL-18, TNF-α, ICAM-1, and E-selectin play major roles. At IL-18 concentrations >650 pg/ml, AP patients are likely to develop pulmonary dysfunction (sensitivity 58%, specificity 100%, LR-positive >58) which allows us to use it as a screening test.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 186-192 .
[Abstract] ( 252 ) [HTML 1KB] [PDF 369KB] ( 2445 )
193 Chen JH, Ni RZ, Xiao MB, Guo JG, Zhou JW
Comparative proteomic analysis of differentially expressed proteins in human pancreatic cancer tissue

BACKGROUND: Pancreatic cancer is one of the most common malignant tumors. Early diagnosis of pancreatic cancer is difficult because of the latent onset and lack of good biomarkers. This study aimed to look for and identify differentially expressed proteins in tissues of pancreatic cancer and adjacent noncancerous tissues by proteomic approaches so as to provide information about possible pancreatic cancer markers and therapeutic targets.
METHODS: Proteins extracted from 3 paired adjacent noncancerous and cancerous pancreatic tissue specimens were separated by two-dimensional gel electrophoresis (2-DE). The protein spots exhibiting statistical alternations between the two groups through computerized image analysis were then identified by matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS). In addition, Western blotting and immunohistochemistry were performed to verify the expression of certain candidate proteins.
RESULTS: Twelve proteins were significantly upregulated and 4 were downregulated between cancerous and paired adjacent noncancerous pancreatic tissues. Several proteins (S100A11, Ig gamma-1 chain C region, GSTO1 and peroxiredoxin 4) were found for the first time to be associated with pancreatic cancer. Differential expression of some identified proteins was further confirmed by Western blotting analysis and/or immunohistochemical analysis.
CONCLUSIONS: Comparative proteomic analysis using 2-DE and MALDI-TOF-MS is an effective method for identifying differentially expressed proteins that may be the potential diagnostic biomarkers and therapeutic targets for pancreatic cancer.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 193-200 .
[Abstract] ( 272 ) [HTML 1KB] [PDF 420KB] ( 2708 )
201 Li ZF, Xia XM, Huang C, Zhang S, Zhang J, Zhang AJ
Emodin and baicalein inhibit pancreatic stromal derived factor-1 expression in rats with acute pancreatitis

BACKGROUND: Stromal derived factor-1 (SDF-1) is an efficacious leukocyte chemoattractant, which can attract lymphocytes and mononuclear cells from bloodstream into the site of inflammation. Emodin, an anthraquinone derivative from Radix et Rhizoma Rhei, and baicalein, a flavone from Scutellaria baicalensis Georgi, both have been reported to possess anti-inflammatory activities. The expression pattern of SDF-1 in experimental acute pancreatitis (AP) and the effect of emodin or baicalein on that are not well defined. The present study aimed to investigate the effects of emodin and baicalein on pancreatic myeloperoxidase (MPO) activity (reflecting leukocyte sequestration) and cytokine production, as well as tissue SDF-1 expression in the setting of AP.
METHODS: A rat model of AP was induced by administration of 5% sodium taurocholate through the biliopancreatic duct. The level of tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6) and MPO in the pancreas, and serum amylase were tested by immunohistochemistry, ELISA and chromatometry. The expressions of SDF-1α and SDF-1β were detected by real-time PCR, Western blotting, and immunohistochemistry.
RESULT: Combination of emodin and baicalein signifi-cantly reduced pancreatic TNF-α, IL-6 and MPO, and also inhibited pancreatic SDF-1 expression.
CONCLUSIONS: The inhibition of SDF-1 expression by emodin and baicalein might contribute, in part at least, to the amelioration of pancreatic inflammation. The present study also shows benefits of simultaneous treatment of AP.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 201-208 .
[Abstract] ( 259 ) [HTML 1KB] [PDF 613KB] ( 2466 )
CASE REPORTS
209 Garg PK, Khurana N, Hadke NS
Subcutaneous and breast metastasis from asymptomatic gallbladder carcinoma

BACKGROUND: Though gallbladder carcinoma is asso-ciated with early lymphatic and hematogenous spread, the only common extra-abdominal site of metastasis is lung. Gallbladder carcinoma metastasizing to breast and subcutaneous tissue is not known.
METHOD: This report describes an interesting and unusual case of asymptomatic gallbladder carcinoma presenting with subcutaneous and breast metastasis.
RESULTS: A 42-year-old woman presented with multiple subcutaneous nodules over the abdominal wall, anterior chest wall, back and in bilateral breasts. Fine needle aspiration cytology (FNAC) of these nodules revealed metastatic adenocarcinoma. The patient was investigated for a primary neoplasm. An ultrasound of the abdomen followed by a contrast-enhanced CT scan showed a growth in gallbladder, infiltrating the liver with multiple hepatic metastases. CT-guided FNAC from the growth in the gallbladder revealed adenocarcinoma. She was diagnosed as a case of metastatic adenocarcinoma of the gallbladder and palliative combination chemotherapy with gemcitabine and carboplatin was given. But she developed jaundice and deteriorated dramatically in a short span of time. No specific therapy could be started and she was given supportive treatment. She died within three weeks of diagnosis due to hepatic encephalopathy.
CONCLUSIONS: This report highlights an unusual metastasis of gallbladder carcinoma to the breast and subcutaneous tissue presenting as multiple lesions, which has never been reported in the English literature. These were unknown sites of metastasis for carcinoma of the gallbladder. Moreover, bilateral multiple metastatic lesions to breast are also very rare.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 209-211 .
[Abstract] ( 237 ) [HTML 1KB] [PDF 216KB] ( 2167 )
212 Chong VH, Lim KS, Mathew VV
Spontaneous gallbladder perforation, pericholecystic abscess and cholecystoduodenal fistula as the first manifestations of gallstone disease

BACKGROUND: Gallstone disease is common, and complications that are frequently encountered include acute cholecystitis and acute pancreatitis, but rarely gallbladder perforation.
METHOD: Data were retrospectively collected from clinical case notes and a literature review is presented.
RESULTS: A 72-year-old lady presented with spontaneous gallbladder perforation, pericholecystic abscess and cholecystoduodenal fistula as the first manifestations of gallstone disease. She was previously well and had no abdominal complaints. Her condition was successfully managed with initial antibiotic therapy followed by interval cholecystectomy and fistula repair.
CONCLUSIONS: Our case highlighted some uncommon but severe complications which occurred simultaneously as the first manifestations of previously asymptomatic gallstone disease. Such complications need to be considered in patients suspected of intra-abdominal sepsis, even when there are no characteristic symptoms.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 212-214 .
[Abstract] ( 244 ) [HTML 1KB] [PDF 251KB] ( 2983 )
215 Thomas H, Marriott P, Portmann B, Heaton N, Rela M
Cystic dystrophy in heterotopic pancreas: a rare indication for pancreaticoduodenectomy

BACKGROUND: Cystic dystrophy in heterotopic pancreas (CDHP) is a rare benign condition characterized by the presence of cysts in the wall of the digestive tract associated with inflammation and fibrosis, intermingled with heterotopic pancreatic tissue. Treatment options for CDHP are poorly defined.
METHOD: We report a case of CDHP, and review the literature focusing on the diagnosis and management.
RESULTS: CDHP is mainly encountered in men in the fifth decade of life in association with chronic pancreatitis secondary to alcohol ingestion. Alcohol and mechanical obstruction of heterotopic pancreatic ducts have been implicated in its pathogenesis. Clinical presentation is varied and current imaging provides the diagnosis. Treatment options include somatostatin analogue injections, endoscopic cyst fenestration and surgical resection (pancreaticoduodenectomy or gastrointestinal bypass).
CONCLUSION: CDHP is rare and presents a diagnostic and therapeutic challenge. The long term efficacy and indications for different treatment options need to be refined.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 215-217 .
[Abstract] ( 225 ) [HTML 1KB] [PDF 190KB] ( 2486 )
218 Gu PC, Wu RH, Lin XJ
Diagnosis and treatment of spinal tuberculosis after liver transplantation

BACKGROUND: Spinal tuberculosis is a common disease in orthopedic clinical practice; however, it is seldom reported after organ transplantation. The aim of this study was to investigate the diagnosis and treatment of spinal tuberculosis after organ transplantation.
METHOD: Two cases were diagnosed as spinal tuberculosis after liver transplantation and were treated with socarboxazide, rifampicin, streptomycin and ethambutol for more than one year.
RESULTS: After treatment with anti-tuberculosis drugs for several months, the symptoms of both patients clearly improved. Back pain disappeared, and erythrocyte sedimentation and body temperature returned to normal.
CONCLUSIONS: We should highly suspect spinal tuberculosis if notalgia and night sweats are present after organ transplantation. Anti-tuberculosis therapy is an effective treatment for spinal tuberculosis after organ transplantation.

Hepatobiliary Pancreat Dis Int. 2009; 8(2): 218-221 .
[Abstract] ( 259 ) [HTML 1KB] [PDF 217KB] ( 1825 )
MEETINGS AND COURSES
222
Meetings and courses
Hepatobiliary Pancreat Dis Int. 2009; 8(2): 222-224 .
[Abstract] ( 147 ) [HTML 1KB] [PDF 148KB] ( 1679 )

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