• 제목/요약/키워드: hepatic tumor

검색결과 328건 처리시간 0.03초

Hypermethylation of Suppressor of Cytokine Signaling 1 in Hepatocellular Carcinoma Patients

  • Saelee, Pensri;Chuensumran, Ubol;Wongkham, Sopit;Chariyalertsak, Sunanta;Tiwawech, Danai;Petmitr, Songsak
    • Asian Pacific Journal of Cancer Prevention
    • /
    • 제13권7호
    • /
    • pp.3489-3493
    • /
    • 2012
  • Hepatocellular carcinoma (HCC), the most common primary hepatic tumor, is highly prevalent in the Asia-Pacific region, including Thailand. Many genetic and epigenetic alterations in HCC have been elucidated. The aim of this study was to determine whether aberrant methylation of the suppressor of cytokine signaling 1 gene (SOCS1) occurs in HCCs. Methylation specific-PCR assays were performed to identify the methylation status of SOCS1 in 29 tumors and their corresponding normal liver tissues. An abnormal methylation status was detected in 17 (59%), with a higher prevalence of aberrant SOCS1 methylation significantly correlating with HCC treated without chemotherapy (OR=0.04, 95%CI=0.01-0.31; P=0.001). This study suggests that epigenetic aberrant SOCS1 methylation may be a predictive marker for HCC patients.

암죽가슴증 및 암죽복수의 동시발생 (Simultaneous chylothorax and chylous ascites)

  • 장태수;정인범;조도연;강성주;권오정
    • Journal of Yeungnam Medical Science
    • /
    • 제34권2호
    • /
    • pp.265-269
    • /
    • 2017
  • Chylothorax or chylous ascites are rare manifestations of liver cirrhosis. We report a rare case of simultaneous chylothorax and chylous ascites in a patient with hepatitis B virus-related liver cirrhosis. A 76-year-old woman was referred to our hospital with a pleural effusion on her right side. She had no history of recent medical procedures, trauma or tumor. There was no evidence of mass or thoracic duct obstruction in a computed tomography scan. Pleural fluid and ascites were confirmed as chylothorax and chylous ascites by chemistry analysis. Despite thorough conservative care, there was no improvement. Pleurodesis was planned, but hepatic encephalopathy developed suddenly and she did not recover.

THE ALTERATION OF OXIDATIVE DAMAGE AND ACTMTIES OF METABOLIZING ENZYMES IN RATS TREATED WITH PEROXISOME PROLIFERATORS

  • Sea, Kyung-Won;Kim, Kyu-Bong;Kim, Yun-Jung;Suh, Soo-Kyung;Kim, Jong--Min;Park, Chang-Won;Kim, Jong-Won;Kim, Kwang-Jin;Choi, Ju-Young;Kim, Joo-Il;Lee, Kyung-Tae;Lee, Sun-Hee
    • 한국독성학회:학술대회논문집
    • /
    • 한국독성학회 2001년도 International Symposium on Dietary and Medicinal Antimutgens and Anticarcinogens
    • /
    • pp.116-117
    • /
    • 2001
  • The phthalates have been shown to produce hepatic peroxisome proliferation and certain peroxisome proliferators (PPs) are also known to increase the incidence of liver tumors in rodents. In this study we investigated the correlation between oxidative injury, changes in peroxisomal and microsomal enzymes and tumor formation in PP-treated rats.(omitted)

  • PDF

대정맥 폐쇄증에 대한 인조혈관 대치술[치험 3예] (Replacement Operation for Occlusion of Great Vein with Dacron Prosthesis: 3 Cases Report)

  • 이정호;김병열;유회성
    • Journal of Chest Surgery
    • /
    • 제14권3호
    • /
    • pp.274-279
    • /
    • 1981
  • We performed three replacement operations of great venous obstruction with Dacron prosthesis from July, 1980 to Nov. 1980. Summary of 3 cases as belows: 1) Inferior vena cava obstruction . 43 years old male was admitted because of abdominal distension and marked superficial collateral circulation on chest and abdomen. Inferior vena cavogram showed complete obstruction of I. V .C. just below hepatic vein. Bypass operation was done between Rt atrium '||'&'||' I. V.C. (just above renal vein) with Woven Dacron prosthesis (22mm in Diameter) under ex tracorporeal ci rculation. 2) Superior vena cava obstruction . 21 years old male was admitted because of facial edema and irritative cough. Well circumscribed lobulated mass was located at ant. superior mediastinum and extended to Rt. thorax in chest P-A view. Woven Dacron prosthesis (10mm in Diameter) was replaced at involved S.V.C. segment after Rt. upper '||'&'||' middle lobectomy with tumor resection. 3) Common iliac vein obstruction (Lt) . 64 years old female was admitted because of generalized edema and tenderness of Lt. lower extremity. Venography of Lt leg showed complete obstruction of common iliac vein. Woven Dacron prosthesis (10mm in Diameter) was replaced at obstruction site.eplaced at obstruction site.

  • PDF

간세포암의 $^{99m}Tc-DISIDA$ 신티그램 소견 ([ $^{99m}Tc-DISIDA$ ] Scintigraphic Findings of Hepatocellular Carcinoma)

  • 김성훈;정수교;박용휘
    • 대한핵의학회지
    • /
    • 제20권1호
    • /
    • pp.33-37
    • /
    • 1986
  • It is well known that $^{99m}Tc-sulfur$ colloid or phytate hepatic scintigraphy is highly sensitive but not specific. Both $^{99m}Tc-DISIDA$ and bilirubin have been shown to share the same anionic transport pathway in the liver. Hepatocellular carcinoma(HCC) retains the ability to produce bile but has marked limitation to excreting it resulting in accumulation of bile within the tumor cells. Based upon such a fact, $^{99m}Tc-DISIDA$ hepatobiliary scintigraphy is used for the diagnosis of HCC. The present communication deals with our experience of DISIDA scintigraphic exploration of 9 cases of HCC in a retrospective way. We have made an observation on intensity of positive radio nuclide accumulation in the cold area of HCC as it is demonstrated by phytate scintigraphy. In addition we have semi quantitatively analyzed time-activity pattern and the following results were obtained. (1) All of 9 cases showed an increased uptake of $^{99m}Tc-DISIDA$ in delayed scintigrams. Of these 5 cases showed accumulation less than, 3 equal to, 1 more than the surrounding liver tissue. (2) The mean of the first appearing time of $^{99m}Tc-DISIDA$ activity in tumoral region was 2 hours and 20 minutes. (3) DISIDA scintigraphy provides us with positive informations of diagnostic value.

  • PDF

충수염으로 오인된 소아의 대장암 (Colon Cancer with Appendiceal Perforation in a 13-year-old Boy)

  • 최명민;이운기;전인상;김현영
    • Advances in pediatric surgery
    • /
    • 제14권2호
    • /
    • pp.189-195
    • /
    • 2008
  • Colorectal cancer is extremely rare in children. Unlike adult colorectal cancer, the overall prognosis of colorectal cancer in children is poor. Delayed diagnosis, advanced stages of the disease at presentation, and mucinous type of histology are the major determinants of poor outcome in childhood. A 13-year-old boy with abdominal pain visited our hospital. Physical examination andabdominal ultrasonography identified acute appendicitis with perforation. He underwent appendectomy and then the pathologic findings revealed mucinous adenocarcinoma. The cancer was located at the transverse colon and had metastases on peritoneal wall at $2^{nd}$ laparotomy. Extended right hemicolectomy was performed. He underwent palliative chemotherapy. After 4 months later, hepatic metastasis and aggravated peritoneal seedings developed. He died of renal failure and pneumonia 13 months after operation. We need to have a high index of suspicion for the possibility of a malignant colorectal tumor in any childhood case with nonspecific signs and symptoms.

  • PDF

Short-term Treatment of Daumone Improves Hepatic Inflammation in Aged Mice

  • Park, Jong Hee;Ha, Hunjoo
    • The Korean Journal of Physiology and Pharmacology
    • /
    • 제19권3호
    • /
    • pp.269-274
    • /
    • 2015
  • Chronic inflammation has been proposed as one of the main molecular mechanisms of aging and age-related diseases. Although evidence in humans is limited, short-term calorie restriction (CR) has been shown to have anti-inflammatory effects in aged experimental animals. We reported on the long-term treatment of daumone, a synthetic pheromone secreted by Caenorhabditis elegans in an energy deficient environment, extends the life-span and attenuates liver injury in aged mice. The present study examined whether late onset short-term treatment of daumone exerts anti-inflammatory effects in the livers of aged mice. Daumone was administered orally at doses of 2 or 20 mg/kg/day for 5 weeks to 24-month-old male C57BL/6J mice. Increased liver macrophage infiltration and gene expression of proinflammatory cytokines in aged mice were significantly attenuated by daumone treatment, suggesting that short-term oral administration of daumone may have hepatoprotective effects. Daumone also dose-dependently suppressed tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$ )-induced nuclear factor-${\kappa}B$ (NF-${\kappa}B$) phosphorylation in HepG2 cells. The present data demonstrated that short-term treatment of daumone has anti-inflammatory effects in aged mouse livers possibly through suppression of NF-${\kappa}B$ signaling and suggest that daumone may become a lead compound targeting aging and age-associated diseases.

Galactosamine 유도 급성 간염 모델에서 치자의 간 보호 효과 (Gardenia jasminoides Prevents Galactosamine-Induced Acute Hepatitis in Rats)

  • 김효연;고은지;박주현;이선미
    • 약학회지
    • /
    • 제54권5호
    • /
    • pp.403-409
    • /
    • 2010
  • Gardenia jasminoides is a popular traditional herb used to treat inflammatory diseases including liver disorders. This study was performed to examine protective effect of G. jasminoides on galactosamine (GalN)-induced acute hepatitis. Rats were treated intraperitoneally with GalN (700 mg/kg). G. jasminoides (30, 100 and 300 mg/kg) was administered orally 48, 24, and 2 h before and 6 h after GalN injection. Serum ALT and AST activities were significantly increased after GalN injection, and these increases were attenuated by G. jasminoides. Histological studies showed that G. jasminoides inhibited hepatocellular necrosis with inflammatory cell infiltration. GalN decreased the serum levels of total cholesterol and this decrease was attenuated by G. jasminoides. Hepatic glutathione content was decreased and lipid peroxidation was increased after GalN treatment and these changes were attenuated by G. jasminoides. Furthermore, the level of tumor necrosis factor-${\alpha}$ mRNA expression was significantly increased after GalN injection, and this increase was attenuated by G. jasminoides. The level of interleukin-10 mRNA expression was significantly increased after GalN injection, and this increase was augmented by G. jasminoides. Our results suggest that G. jasminoides ameliorates GalN-induced acute hepatitis and this protection is likely due to antioxidative activity and regulation of inflammatory mediators.

황함유 아미노산의 간기능 보호 작용: 간세포암 예방의 가능성 (Hepatoprotective Functions of Sulfur Containing Amino Acids: Possibilities of Hepatocellular Carcinoma Prevention)

  • 고광석
    • 한국식품과학회지
    • /
    • 제44권6호
    • /
    • pp.653-657
    • /
    • 2012
  • While it is known that sulfur containing amino acids (SCAA) are very important in regulating hepatocyte growth and preventing liver-diseases, the fundamental molecular mechanisms of how they exert their hepatoprotective functions are not well known. Since it is widely understood that the hepatic concentrations of S-adenosylmethionine (SAMe) in chronic liver disease patients are severely decreased, the pathophysiological importance of SAMe and its downstream antioxidant, glutathione should be discussed in order to see a big picture of relationship between SCAA and liver diseases. Chronic SAMe deficient mice have shown spontaneous hepatocellular carcinoma development due to impaired mitochondria functions with low levels of prohibitin1 protein, and through deficiency in many genes which are known to ameliorate genetic instability, such as APEX1 and DUSP1, the functions of which are recovered by SAMe treatment. In this review, current knowledge of the basic concepts of the mechanisms through which SCAAs protect the liver will be discussed in detail. Also, a possible tumor suppressor in livers, prohibitin1, and its functional relationship with SAMe will be discussed.

말티즈 견에서 발생한 위 선종 증례 (A Case of Gastric Adenoma in a Maltese Dog)

  • 엄나영;이희천;이승용;장효미;서정향;정동인
    • 한국임상수의학회지
    • /
    • 제32권4호
    • /
    • pp.370-373
    • /
    • 2015
  • A 10-year-old, intact female, Maltese dog was presented with a two weeks history of vomiting, anorexia and weight loss. Hematologic analysis revealed mild leukocytosis and increased liver enzyme. Gaseous dilation of small intestine and hyperechoic nodules of hepatic lobes were revealed on the imaging studies. Liver biopsy was performed through laparotomy and histopathologic results revealed liver cirrhosis with precancerous lesions. Two days later, endoscopy was performed and histopathologic results of the specimens taken by endoscopic biopsy showed gastric adenoma. The gastric surgery was not performed by the owner's request. The patient died after 60 days of diagnosis of gastric adenoma. This case describes clinical features, imaging studies, endoscopic features and histopathologic characteristics of gastric adenoma in a Maltese dog.