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Lautenschlager I, Höckerstedt K, Salmela K. Quantitative CMV-antigenemia test in the diagnosis of CMV infection and in the monitoring of response to antiviral treatment in liver transplant recipients. Transplant Proc 1994; 26:1719-20. [PMID: 8030100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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202
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Höckerstedt K. Liver transplantation: a changing concept. Transplant Proc 1994; 26:1706-7. [PMID: 8030094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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203
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Höckerstedt K, Leijala M, Isoniemi H, Sairanen H, Salmela K. Results of partial liver transplantation in Finland. Transplant Proc 1994; 26:1782-3. [PMID: 8030132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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204
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Halme L, Orko R, Tierala E, Höckerstedt K. Late biliary stenosis after conservative management of traumatic liver rupture: case report. THE JOURNAL OF TRAUMA 1994; 36:740-2. [PMID: 8189479 DOI: 10.1097/00005373-199405000-00025] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
An extensive liver rupture developed in a 50-year-old woman after she received severe blunt injuries in a criminal assault. Nonsurgical management of the liver injury led to recovery of the patient despite a serious blood loss and multiorgan failure. However, 3 months after the injury a complete left bile duct stenosis with liver dysfunction and two hepatic artery pseudoaneurysms were found. Biliodigestive bypass restored normal liver function.
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205
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Salmela K, Kyllönen L, Eklund B, Isoniemi H, Holmberg C, Koskimies S, Höckerstedt K, Mäkisalo H, Leijala M, Ahonen J. Thirty years of renal transplantation in Helsinki. CLINICAL TRANSPLANTS 1994:219-228. [PMID: 7547543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
During triple-drug immunosuppression, consisting of azathioprine, steroids, and cyclosporine, the number of acute rejections was low. Close monitoring of the patient and the graft during the early posttransplant weeks with regular cytological and histological analyses was the cornerstone of early diagnosis and a favorable outcome of acute rejection. Genetic homogeneity of our patient population, third-party transfusion program, and use of well HLA-matched kidney grafts may have been additional factors behind the low rate of acute rejection. Acute rejection within the first three postoperative months did not predispose the renal graft to chronic rejection in the long term. The histologically determined allograft damage index was a reliable predictor of future graft survival. Recipients with systemic diseases such as diabetes and amyloidosis, as well as elderly patients, could be transplanted safely with results only slightly inferior to those achieved with primary kidney disease. Results in diabetic recipients have steadily improved, encouraging the continuation of critical evaluation of the patients' pretransplant status and the preference for cadaveric transplants. Renal transplantation in small children yielded superior patient and graft survival rates. We consider the use of living donors justifiable in these cases. The five million population of Finland offers an ideal size for a transplant center. Continuous education of medical personnel and the general public is crucial for the cadaver transplant program.
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206
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Höckerstedt K, Bergan A. [Liver transplantation]. NORDISK MEDICIN 1994; 109:326-328. [PMID: 7997367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Liver transplantation is performed in all the Nordic countries except Iceland. A Nordic action group with members from every centre draws up guidelines for organ exchange, treatment and research projects. The indications have been established, and results are steadily improving. The demand for organs is a manifest problem, particularly in acute cases where a new liver is required within a few days. After a successful transplantation, quality of life is comparable with that in the general population.
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207
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Höckerstedt K, Eklund B, Isoniemi H, Kyllönen L, Mäkisalo H, Salmela K, Ahonen J. Improving the number of organ donors. Nephrol Dial Transplant 1994; 9:1204. [PMID: 7800231 DOI: 10.1093/ndt/9.8.1204a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
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208
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Höckerstedt K, Salaspuro M. Liver transplantation in alcoholic liver disease: Time for decision-making. Transpl Int 1994. [DOI: 10.1111/j.1432-2277.1994.tb01269.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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209
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Höckerstedt K, Salaspuro M. Liver transplantation in alcoholic liver disease. Time for decision-making. Transpl Int 1994; 7:1-4. [PMID: 8117395 DOI: 10.1007/bf00335655] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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210
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Nordin A, Mäkisalo H, Höckerstedt K. Dopamine infusion during resuscitation of experimental hemorrhagic shock. Crit Care Med 1994; 22:151-6. [PMID: 8124958 DOI: 10.1097/00003246-199401000-00027] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
OBJECTIVE To compare the effects of starting dopamine administration early or late on organ perfusion by measuring tissue oxygen tensions during standard volume resuscitation of hemorrhagic shock. DESIGN Randomized, control trial. SUBJECTS Thirteen piglets (mean weight, 19 kg). INTERVENTIONS The animals were bled to a state of hemorrhagic shock and resuscitated using crystalloid solution. Cardiac outputs and mean arterial pressures were measured as indicators of volume filling over a period of 80 mins. Dopamine was administered by infusion at 5 micrograms/kg/min from the start of volume correction (early-dopamine group, n = 7) or after the volume deficit was corrected (late-dopamine group, n = 6). MEASUREMENTS AND MAIN RESULTS Blood pressures and cardiac output were measured. Tissue oxygen tensions were continuously recorded in the liver, conjunctiva, and via subcutaneous and transcutaneous electrodes in the abdominal region. Mean arterial pressure decreased from 111 +/- 5 (SEM) to 44 +/- 2 mm Hg with the induction of hemorrhagic shock. Cardiac output decreased by 78% during shock. During resuscitation, mean arterial pressure increased to near baseline values in both groups. Cardiac output recovered completely in the late-dopamine group and almost completely in the early-dopamine group. Liver oxygen tension increased to above baseline during resuscitation in the early-dopamine group. Liver oxygen tension in the early-dopamine group was significantly higher than in the late-dopamine group. Similar changes were observed in subcutaneous and transcutaneous oxygen tensions, but not in conjunctival oxygen tensions. CONCLUSIONS Starting dopamine administration early during volume resuscitation in a model of experimental hemorrhagic shock led to higher liver, subcutaneous, and transcutaneous tissue oxygen levels. This finding indicates enhanced tissue oxygen perfusion, especially in the liver.
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211
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Isoniemi H, Nurminen M, Tikkanen MJ, von Willebrand E, Krogerus L, Ahonen J, Eklund B, Höckerstedt K, Salmela K, Häyry P. Risk factors predicting chronic rejection of renal allografts. Transplantation 1994; 57:68-72. [PMID: 8291116 DOI: 10.1097/00007890-199401000-00013] [Citation(s) in RCA: 136] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Chronic rejection is clinically defined as a gradual but progressive impairment of renal allograft function in the absence of other specific causes. The risk factors predisposing to chronic rejection are incompletely known. In this prospective single-center project, logistic regression analysis was used to study the long-term outcome of 94 consecutive first renal allografts in relation to 10 potential risk factors. Whether serum lipid levels, histopathological changes or the mode of immunosuppressive therapy had a predictive value for chronic rejection was of special interest. The risk factors for renal allograft outcome were determined 2 years after the transplantation, when graft function was still normal, and the results were evaluated 2 years later. Occurrence of acute rejections, cold ischemia time, the high-density lipoprotein cholesterol level, and the high-density lipoprotein and total cholesterol ratio were not significant predictors of graft outcome. In a univariate analysis, triglyceride, total cholesterol, and low-density lipoprotein cholesterol level, and donor age were significantly related to graft outcome. In a logistic regression analysis, triple immunosuppressive therapy was better than any double-drug regimen in preventing the deterioration of renal allografts. Incipient histological changes in graft biopsy, quantitated as the "chronic allograft damage index," was the most important single predictor of chronic rejection. The effect of both the histological changes and low-density lipoprotein cholesterol on adverse graft outcome was level dependent.
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212
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Doepel M, Eriksson J, Halme L, Kumpulainen T, Höckerstedt K. Good long-term results in patients surviving severe acute pancreatitis. Br J Surg 1993; 80:1583-6. [PMID: 8298931 DOI: 10.1002/bjs.1800801229] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Thirty-seven patients treated for severe acute pancreatitis were investigated a mean of 6.2 years after the attack; 30 were found to be in good condition and 24 were working normally. Two-thirds of previously heavy drinkers had either reduced their intake considerably or become abstainers. The main complication observed on follow-up was diabetes mellitus, which affected 20 patients and required insulin treatment in nine. Of the remaining patients, four were taking oral antidiabetic agents and seven were on a strict diabetic diet. Before severe acute pancreatitis none had been diabetic. All patients who underwent resection of the pancreas developed diabetes. In 21 of 24 patients with over or imminent diabetes, pancreatitis had been primarily alcoholic in origin. Polyneuropathy, as diagnosed by clinical signs and/or neurophysiological tests, was observed in six patients, all of them heavy drinkers. It is concluded that patients with severe acute pancreatitis have a high chance of returning to normal activity and productive work. These results serve to encourage all those involved to persist with the exacting work involved in treating such patients.
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213
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Pollesello P, Masutti F, Crocè LS, Toffanin R, Eriksson O, Paoletti S, Höckerstedt K, Tiribelli C. 1H NMR spectroscopic studies of lipid extracts from human fatty liver. Biochem Biophys Res Commun 1993; 192:1217-22. [PMID: 8507193 DOI: 10.1006/bbrc.1993.1546] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Lipid extracts of biopsy samples from normal and non-alcohol-induced fatty human liver were studied by 1H-NMR at 200 MHz. Spectra of the lipid extracts from 10 mg samples were obtained in 6 min with routine acquisition parameters and allowed the calculation of the phosphatidylcholine to total fatty acyl chain ratio, the cholesterol to total fatty acyl chain ratio, the average fatty acyl chain length, the unsaturation ratio and the acylated glycerol to total fatty acyl chain ratio. The data suggest that lipids with a higher ratio of de novo synthesized fatty acyl chains are stored in non-alcohol-induced fatty liver. NMR lipid analysis appears to be a reliable method for the rapid assessment of hepatic lipid composition on bioptic specimens.
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214
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Höckerstedt K, Ericzon BG, Bismuth H, Chapuis Y, Farges O, Faure JL, Galmarini D, Houssin D, Lynch SV, Miguet J. OKT3 prophylaxis in liver transplant patients: a European and Australian multicenter, prospective controlled trial. Transplant Proc 1993; 25:556-7. [PMID: 8438412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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215
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Lautenschlager I, Höckerstedt K. Induction of ICAM-1 on hepatocytes precedes the lymphoid activation of acute liver allograft rejection and cytomegalovirus infection. Transplant Proc 1993; 25:1429-30. [PMID: 8095108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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216
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Isoniemi H, Ahonen J, Krogerus L, Eklund B, Höckerstedt K, Salmela K, Häyry P. Chronic rejection of renal allografts with four immunosuppressive regimens. Transplant Proc 1992; 24:2716-7. [PMID: 1465912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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217
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Höckerstedt K. Liver transplantation: present results and problems. Ann Med 1992; 24:325-8. [PMID: 1418913 DOI: 10.3109/07853899209147831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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218
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Höckerstedt K, Kajaste S, Muuronen A, Raininko R, Seppäläinen AM, Hillbom M. Encephalopathy and neuropathy in end-stage liver disease before and after liver transplantation. J Hepatol 1992; 16:31-7. [PMID: 1336512 DOI: 10.1016/s0168-8278(05)80091-1] [Citation(s) in RCA: 51] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The nervous system involvement of 8 patients with end-stage liver disease was evaluated by means of clinical neurological, neuropsychological, neurophysiological and neuroradiological investigation before and 6-12 months after a successful liver transplantation. Preoperatively, all subjects (7 women, 1 man; mean age 40 years, range 30-54 years) exhibited decreased muscle strength and 2 patients manifested clinical signs of polyneuropathy. In neuropsychological tests, slight visuoconstructive apraxia, and disturbances of verbal memory and cognitive function were observed. Magnetic resonance imaging (MRI) revealed cerebral lesions in two patients. After transplantation, muscle strength reverted to normal in all patients, polyneuropathy improved and in all but 2 patients recovery of neuropsychological functioning was observed. Clinical signs of encephalopathy had disappeared. All patients were emotionally better adjusted after transplantation. Four subjects showed new, albeit mild changes in neurophysiological and neuropsychological tests postoperatively. We conclude that the majority of neurological impairment disappeared after liver transplantation. We want to stress that evaluation of neurological sequelae of liver transplantation needs to be based on assessments both before and after liver transplantation.
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219
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Nikkilä K, Höckerstedt K, Miettinen TA. Liver transplantation modifies serum cholestanol, cholesterol precursor and plant sterol levels. Clin Chim Acta 1992; 208:205-18. [PMID: 1499139 DOI: 10.1016/0009-8981(92)90077-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Proportions of cholesterol precursors (squalene, delta 8-cholestenol, desmosterol and lathosterol), plant sterols (campesterol and sitosterol) and cholestanol to cholesterol in serum were measured before and serially after liver transplantation in eight patients with primary biliary cirrhosis (PBC) and three with acute liver necrosis. The preoperative proportions of cholestanol were 12 and 3-times higher in the PBC and necrosis groups, respectively, than in a control group of 27 individuals, while those of lathosterol were low in both groups and the campesterol/sitosterol ratio in the PBC group. During the operation the proportions of cholestanol fell sharply and those of lathosterol rose especially in the PBC group. During the postoperative follow-up of 5 weeks the proportions of the non-cholesterol sterols were markedly improved especially in the necrosis group yet those of cholestanol remained high and the campesterol/sitosterol ratios low, particularly in the PBC group. The proportions of lathosterol increased gradually almost to the control limits within the postoperative 5-week period, whereas those of desmosterol decreased. The non-cholesterol sterol values were not related to acute rejections, while significant correlations of cholestanol to liver function tests was found especially at the end of the follow-up.
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220
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Eriksson J, Doepel M, Widén E, Halme L, Ekstrand A, Groop L, Höckerstedt K. Pancreatic surgery, not pancreatitis, is the primary cause of diabetes after acute fulminant pancreatitis. Gut 1992; 33:843-7. [PMID: 1624170 PMCID: PMC1379347 DOI: 10.1136/gut.33.6.843] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Acute fulminant pancreatitis is associated with significant morbidity and mortality. To examine the outcome of conservative and surgical treatment of this disorder, 36 patients who survived an initial episode were restudied after a mean of six years. Fifty three per cent had developed diabetes mellitus, half of whom required insulin therapy. Pancreatic resection was associated with a 100% frequency of diabetes, while only 26% of those treated with peritoneal lavage developed this (p less than 0.001). Insulin secretion and sensitivity were assessed using the hyperglycaemic glucose clamp technique. First phase insulin secretion was impaired in surgically treated patients (mean (SEM) 14 (5) microU/ml x 10 minutes) compared with conservatively treated patients and control subjects (144 (66) and 87 (12) microU/ml x 10 minutes, respectively; p less than 0.05). Second phase and 'maximal' insulin secretion were also impaired among the surgically treated patients compared with the conservatively treated patients and the controls. Insulin sensitivity was reduced among the surgically treated patients (2.88 (58) mg/kg.minute) when compared with conservatively treated patients and healthy control subjects (5.87 (1.02) and 6.45 (0.66) mg/kg.minute; p less than 0.05). Pancreatic resection is associated with a very high frequency of diabetes compared with peritoneal lavage, and these results favour conservative treatment of active fulminant pancreatitis whenever possible.
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221
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Nikkilä K, Höckerstedt K, Miettinen TA. Serum and hepatic cholestanol, squalene and noncholesterol sterols in man: a study on liver transplantation. Hepatology 1992; 15:863-70. [PMID: 1568728 DOI: 10.1002/hep.1840150519] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Serum noncholesterol sterols indicate overall cholesterol metabolism in a variety of experimental and clinical conditions. In patients with advanced primary biliary cirrhosis serum cholestanol, a 5 alpha-derivative of cholesterol, is markedly increased, and cholesterol precursors, which are indicators of cholesterol synthesis, are clearly reduced, as is the ratio of plant sterols (campesterol/sitosterol). Therefore these variables were studied in the livers and sera of 23 patients undergoing liver transplantation (16 patients with chronic liver disease, 4 with acute liver failure and 3 receiving second liver) and in 10 healthy controls. A most striking finding was the markedly high liver and serum levels of cholestanol in patients with chronic end-stage liver disease, a finding specific for cholestanol but not for other sterols. Of the cholesterol precursor sterols, lathosterol exhibited low contents in both the serum and liver of the cirrhotic patient group, supposedly reflecting decreased cholesterol synthesis. In contrast to the largely similar levels of noncholesterol sterols in serum and liver and the positive correlations between the two sources, the serum squalene levels were markedly lower than the hepatic levels, with a negative correlation between the serum and the liver, suggesting that serum squalene content poorly reflects cholesterol synthesis. In contrast to campesterol, serum and liver sitosterol tended to show increases, and the serum and hepatic campesterol/sitosterol ratios were lower in the chronic liver disease patients than in the controls, probably because of the more consistently impaired biliary elimination of sitosterol in those patients.(ABSTRACT TRUNCATED AT 250 WORDS)
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222
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Adlercreutz H, Mousavi Y, Clark J, Höckerstedt K, Hämäläinen E, Wähälä K, Mäkelä T, Hase T. Dietary phytoestrogens and cancer: in vitro and in vivo studies. J Steroid Biochem Mol Biol 1992; 41:331-7. [PMID: 1314077 DOI: 10.1016/0960-0760(92)90359-q] [Citation(s) in RCA: 280] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Thirty postmenopausal women (11 omnivores, 10 vegetarians and 9 apparently healthy women with surgically removed breast cancer) were investigated with regard to the association of their urinary excretion of estrogens, lignans and isoflavonoids (all diphenols) with plasma sex hormone binding globulin (SHBG). A statistically significant positive correlation between urinary total diphenol excretion and plasma SHBG was found which remained statistically significant after elimination of the confounding effect of body mass determined by body mass index (BMI). Furthermore we found a statistically significant negative correlation between plasma SHBG and urinary excretion of 16 alpha-hydroxyestrone and estriol which also remained significant after eliminating the effect of BMI. Furthermore we observed that enterolactone (Enl) stimulates the synthesis of SHBG by HepG2 liver cancer cells in culture acting synergistically with estradiol and at physiological concentrations. Enl was rapidly conjugated by the liver cells, mainly to its monosulfate. Several lignans and the isoflavonoids daidzein and equol were found to compete with estradiol for binding to the rat uterine type II estrogen binding site (the s.c. bioflavonoid receptor). It is suggested that lignans and isoflavonoids may affect uptake and metabolism of sex hormones by participating in the regulation of plasma SHBG levels and in this way influence their biological activity and that they may inhibit cancer cell growth like some flavonoids by competing with estradiol for the type II estrogen binding sites.
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223
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Höckerstedt K, Butrón T, Salmela K, Ahonen J, Eklund B, Isoniemi H, Holmberg C, Kyllönen L, Lautenschlager I. Does acute rejection correlate with infection in liver transplantation? Transplant Proc 1992; 24:296-7. [PMID: 1311475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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224
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Salmela K, von Willebrand E, Kyllönen L, Eklund B, Höckerstedt K, Isoniemi H, Krogerus L, Taskinen E, Ahonen J. Acute vascular rejection in renal transplantation. Transplant Proc 1992; 24:360-1. [PMID: 1539318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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225
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Nikkilä K, Höckerstedt K, Miettinen TA. High serum cholestanol and low campesterol/sitosterol ratio indicate severe liver damage and liver transplantation in primary biliary cirrhosis. Transplant Proc 1992; 24:383-6. [PMID: 1539326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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