801
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Joo JH, Ryu KH, Lee YH, Park CW, Cho JY, Kim YS, Lee JS, Lee MS, Hwang SG, Shim CS. Colonoscopic diagnosis of whipworm infection. HEPATO-GASTROENTEROLOGY 1998; 45:2105-9. [PMID: 9951873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Trichuriasis is an intestinal infection found in human beings which is caused by Trichuris trichiura, more commonly known as whipworm because of its whip-like appearance. It is characterized by the invasion of the colonic mucosa by the adult Trichuris and produces minor inflammatory changes at the sites of localization. It is prevalent throughout the world, especially in tropical areas. Its diagnosis is usually made by identification of the typical eggs in the stool; adult whipworm is rarely seen during colonoscopy. Colonoscopy can directly diagnose trichuriasis, confirming the threadlike form of worms with an attenuated end. The worms can be overlooked, particularly if colon preparation is imperfect. Attenuated whip-like ends of whipworms, which are embedded in the colonic mucosa, were removed with biopsy forceps. We report on 5 cases of whipworm infection that were diagnosed on total colonoscopy.
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802
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Koo HM, Song SH, Pyun YR, Kim YS. Evidence that a beta-1,4-endoglucanase secreted by Acetobacter xylinum plays an essential role for the formation of cellulose fiber. Biosci Biotechnol Biochem 1998; 62:2257-9. [PMID: 9972249 DOI: 10.1271/bbb.62.2257] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Cellulose-producing Acetobacter xylinum has been known to secrete a cellulose-hydrolyzing beta-1,4-endoglucanase (CMCax). When antibodies to recombinant CMCax were added to the culture medium, the formation of cellulose fiber was severely inhibited. Western blot analysis using the antibody showed that this enzyme was secreted into the medium even by a cellulose non-producing strain (Cel-). These results indicate that beta-1,4-endoglucanase in the medium plays a critical role in the formation of cellulose fiber by the microorganism.
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803
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Kim MS, Kim YS, Kim SI, Lee JW, Moon JI, Park K. Pretransplant serum IgA concentration and IgA-anti-Fab autoantibody activity in living donor renal transplant recipients: a pilot study. Transplant Proc 1998; 30:2977-8. [PMID: 9838314 DOI: 10.1016/s0041-1345(98)00896-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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804
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Kim MS, Kim SI, Moon JI, Kim YS, Park K. Functional graft survival: the significance of patient death with a functioning graft. Transplant Proc 1998; 30:3099-100. [PMID: 9838367 DOI: 10.1016/s0041-1345(98)00948-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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805
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Kim SI, Moon JI, Kim MS, Kim YS, Park K. Usefulness and safety of ultrasound-guided percutaneous needle biopsy in renal allograft patients. Transplant Proc 1998; 30:3076. [PMID: 9838356 DOI: 10.1016/s0041-1345(98)00937-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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806
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Kim SI, Kim YS, Kim MS, Moon JI, Park K. True living donor kidney weight-to-recipient body weight ratio influences posttransplant 1-year renal allograft function. Transplant Proc 1998; 30:3120. [PMID: 9838378 DOI: 10.1016/s0041-1345(98)00960-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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807
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Park K, Kim MS, Kim SI, Kim YS, Moon JI. Safety and effectiveness of microemulsion cyclosporine in renal allograft recipients: 1-year follow-up study. Transplant Proc 1998; 30:3556-7. [PMID: 9838557 DOI: 10.1016/s0041-1345(98)01134-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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808
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Yeh L, Kwak S, Kim YS, Pedowitz R, Trudell D, Muhle C, Resnick D. Anterior labroligamentous structures of the glenohumeral joint: correlation of MR arthrography and anatomic dissection in cadavers. AJR Am J Roentgenol 1998; 171:1229-36. [PMID: 9798852 DOI: 10.2214/ajr.171.5.9798852] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE The purpose of this study was to establish the accuracy of MR arthrography in depicting the morphology of the glenohumeral ligaments and the superior portion of the glenoid labrum. MATERIALS AND METHODS Findings on MR arthrography and those derived from careful dissection of gross specimens were compared in 15 cadaver shoulders, focusing on the morphology and size of the superior and middle glenohumeral ligaments and the morphology of the inferior glenohumeral ligament. The frequencies of sublabral recess and sublabral foramen seen on MR arthrography and at anatomic dissection were also compared. RESULTS For the superior and middle glenohumeral ligaments, moderate correlation of size was found between measurements made on MR arthrograms and at anatomic dissection, with the Spearman's rank correlation coefficient calculated as .69990 and .71133, respectively. Morphologic descriptions of the inferior glenohumeral ligament based on MR arthrography and on anatomic dissection also showed good association (Cohen's kappa = .8936). Dissection revealed that the sublabral recess was present in 11 specimens. Of these, 10 recesses were identified on MR arthrograms. MR arthrography also revealed a sublabral recess that was not found at dissection. Four sublabral foramina were identified by both MR arthrography and dissection, and two were revealed only by MR arthrography. CONCLUSION MR arthrography is useful in the evaluation of the glenohumeral ligaments and the superior portion of the labrum. Anatomic variations of these anterior intraarticular structures can be accurately shown by MR arthrography. In addition, estimation of the size of glenohumeral ligaments can be achieved with acceptable accuracy on MR arthrograms.
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809
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Park K, Kim SI, Moon JI, Kim YS, Kim MS. Prospective study of mycophenolate mofetil for the prevention of acute rejection in living donor renal allograft recipients. Transplant Proc 1998; 30:3575. [PMID: 9838565 DOI: 10.1016/s0041-1345(98)01141-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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810
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Moon IS, Kim YG, Park JH, Kim YS, Kim JC, Yun JY, Bang BK, Koh YB. Influence of donor kidney size on immediate renal function (1 month) in kidney transplantation. Transplant Proc 1998; 30:3666. [PMID: 9838608 DOI: 10.1016/s0041-1345(98)01184-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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811
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Kim YS, Myung SJ, Kim SY, Kim HJ, Kim JS, Park ET, Lim BC, Seo DW, Lee SK, Kim MH, Min YI. Biliary papillomatosis: clinical, cholangiographic and cholangioscopic findings. Endoscopy 1998; 30:763-7. [PMID: 9932755 DOI: 10.1055/s-2007-1001418] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
BACKGROUND AND STUDY AIMS Biliary papillomatosis (BP) is a very rare disease and its clinical features and outcome are not well known. The aims of this study were to describe the characteristic cholangiographic findings and to define the role of cholangioscopic examination in the diagnosis and treatment of this disorder. PATIENTS AND METHODS Nine patients (six men and three women, mean age 57 years) were diagnosed as BP among 5361 cases of endoscopic retrograde cholangiography (ERC) from 1990 to 1997 in our institution. The cholangiographic and cholangioscopic findings as well as clinical features were retrospectively analyzed. RESULTS ERC findings showed multiple small, round-to-ovoid filling defects in the bile duct and ductal wall irregularity in all the patients. Seven out of nine patients underwent percutaneous transhepatic cholangioscopic (PTC) examination. Additional small papillary lesions in the intrahepatic bile duct were detected by cholangioscopic examination in four patients whose ERC findings only revealed the extrahepatic lesions. Two of these four patients underwent curative resection. In these two patients, the initial surgical plan was changed from Whipple's operation to hepatico-pancratico-duodenectomy after preoperative cholangioscopic examination due to the detection of new lesions in the intrahepatic bile duct. CONCLUSIONS ERC findings of BP were highly characteristic. When BP is suspected by conventional imaging including ERC, preoperative percutaneous transhepatic cholangioscopic examination is, however, strongly recommended. This procedure may be beneficial to precisely determine the ductal extension of the disease, hence to decide whether or not hepatic resection is needed as well as to confirm the histology.
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812
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Kim S, Kang SH, Moon J, Kim MS, Kim YS, Park K. Kaposi sarcoma in renal transplant recipients. Transplant Proc 1998; 30:3165. [PMID: 9838399 DOI: 10.1016/s0041-1345(98)00978-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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813
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Park K, Kim YS, Kim SI, Kim MS, Moon JI. Single center experience of 1500 kidney transplants. Transplant Proc 1998; 30:3088-9. [PMID: 9838362 DOI: 10.1016/s0041-1345(98)00943-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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814
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Jeong HJ, Lee HH, Kim YS, Kim SI, Moon JI, Park K. Expression of ICAM-1 and VCAM-1 in renal allograft rejection. Transplant Proc 1998; 30:2953-4. [PMID: 9838302 DOI: 10.1016/s0041-1345(98)00884-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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815
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Kim MS, Kim YS, Kim HS, Kim SI, Moon JI, Park K. Pretransplant anti-hepatitis C virus antibody and HCV-RNA-polymerase chain reaction as predictor of posttransplant liver dysfunction. Transplant Proc 1998; 30:3216-7. [PMID: 9838422 DOI: 10.1016/s0041-1345(98)01001-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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816
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Utsunomiya T, Yonezawa S, Sakamoto H, Kitamura H, Hokita S, Aiko T, Tanaka S, Irimura T, Kim YS, Sato E. Expression of MUC1 and MUC2 mucins in gastric carcinomas: its relationship with the prognosis of the patients. Clin Cancer Res 1998; 4:2605-14. [PMID: 9829723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Our previous immunohistochemical studies for the expression of MUC1 mucin antigen (which was detected by monoclonal antibody DF3) and MUC2 mucin antigen (which was detected by polyclonal antibody anti-MRP) in pancreatic and intrahepatic bile duct tumors demonstrated that invasive carcinoma with poor outcome showed a pattern of MUC1+ and MUC2- expression, whereas many of the noninvasive tumors with favorable outcome showed a pattern of MUC1- and MUC2+ expression. To clarify the relationship between the expression of these mucin antigens and the biological properties of gastric cancers, the expression of MUC1 and MUC2 mucin antigens was examined immunohistochemically in 136 patients with gastric cancer invading the submucosa or the deeper layer, and the survival of the antigen-positive and antigen-negative patient groups was compared using the Kaplan-Meier method. For MUC1 mucin expression, different glycoforms of MUC1 were examined using four monoclonal antibodies (NCL-MUC-1-CORE, DF3, MY.1E12, and HMFG-1). The patients with MUC1+ mucin antigen staining in the carcinoma showed significantly worse survival than those with MUC1- mucin antigen staining. In contrast, the patients with MUC2+ mucin antigen staining in the carcinoma showed significantly better survival than those with MUC2- mucin antigen staining. In conclusion, MUC1 antigen expression was associated with a poor outcome in patients with gastric cancer, irrespective of its glycosylation status, and MUC1 is thus considered to be a useful prognostic factor for poor outcome in patients. In contrast, MUC2 antigen expression is a prognostic factor associated with a favorable outcome in patients. In addition, combined evaluation of the MUC1 and MUC2 mucin staining is clinically useful to predict outcome in patients with gastric cancer.
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817
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Park MS, Yu NC, Kim YS, Lee HK, Kim KH. Bioequivalence study of Cipol-N (cyclosporine microemulsion preparation) in healthy adults. Transplant Proc 1998; 30:3541-6. [PMID: 9838551 DOI: 10.1016/s0041-1345(98)01128-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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818
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Jeong HJ, Kim YS, Hong IC. Vascular endothelin, TGF-beta, and PDGF expression in FK506 nephrotoxicity of rats. Transplant Proc 1998; 30:3596-7. [PMID: 9838576 DOI: 10.1016/s0041-1345(98)01152-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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819
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Kim MS, Kim YS, Lim SK, Kim SI, Moon JI, Park K. Effect of deflazacort on bone mineral density in renal transplant recipients. Transplant Proc 1998; 30:3041-2. [PMID: 9838340 DOI: 10.1016/s0041-1345(98)00921-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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820
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Kim HJ, Kim YS, Myung SJ, Seo DW, Lee SK, Kim MH, Min YI. A novel approach for cannulation to the ampulla within the diverticulum: double-catheter method. Endoscopy 1998. [PMID: 9932770 DOI: 10.1055/s-002-7743] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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821
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An JH, Kim YS. A gene cluster encoding malonyl-CoA decarboxylase (MatA), malonyl-CoA synthetase (MatB) and a putative dicarboxylate carrier protein (MatC) in Rhizobium trifolii--cloning, sequencing, and expression of the enzymes in Escherichia coli. EUROPEAN JOURNAL OF BIOCHEMISTRY 1998; 257:395-402. [PMID: 9826185 DOI: 10.1046/j.1432-1327.1998.2570395.x] [Citation(s) in RCA: 98] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
A gene cluster consisting of three consecutive genes, matABC, was isolated using a probe prepared from amino acid sequence information of Rhizobium trifolii malonyl-CoA synthetase, and was subsequently sequenced. The sequences of matA and matB were overlapped by four base pairs, whereas the intergenic region between matB and matC had 95 base pairs. The upstream region contained DNA sequences which are typical for an Escherichia coli sigma70 promoter, and no other open reading frame was found within 400 bp downstream of matC. The ribosome-binding sites were found 7 to 12 base pairs upstream of each gene. MatA gene encoded a polypeptide of 462 amino acid residues, with deduced molecular mass of 51414 Da. A glutathione-S-transferase-MatA fusion protein has been purified and MatA was shown to have an intrinsic malonyl-CoA decarboxylase activity (Km = 0.47 mM; Vmax = 52 micromol x min(-1) x mg(-1)). MatB encoded a polypeptide of 504 amino acid residues with deduced molecular mass of 54612 Da. MatB was also purified from E. coli transformant carrying the gene cluster. The enzyme was essentially indistinguishable from the wild-type malonyl-CoA synthetase of R. trifolii by the criteria of polyacrylamide gel electrophoresis and biochemical properties. MatC encoded a 46453-Da protein with a high content of hydrophobic residues. The deduced amino acid sequences of matC showed identity to some extent with anaerobic C4-dicarboxylate carrier proteins from E. coli (25%) and Haemophilus influenzae (17%). MatC protein appears to be an integral membrane protein that could function as a malonate carrier. The formation of acetyl-CoA and malonyl-CoA from malonate was confirmed by thin-layer chromatographic analysis. These results strongly suggest that the gene cluster encodes proteins involved in the malonate-metabolizing system, malonate-->malonyl-CoA-->acetyl-CoA, in R. trifolii and that the metabolic pathway in the malonate-rich clover nodule might play an important role in symbiosis.
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822
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Yu HJ, Lee SK, Son SJ, Kim YS, Yang HY, Kim JH. Steroid acne vs. Pityrosporum folliculitis: the incidence of Pityrosporum ovale and the effect of antifungal drugs in steroid acne. Int J Dermatol 1998; 37:772-7. [PMID: 9802688 DOI: 10.1046/j.1365-4362.1998.00229.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Steroid acne is a folliculitis that can result from systemic or topical administration of steroid, and has been described as showing a similar clinical picture to Pityrosporum folliculitis, but there have been few reports about the incidence of Pityrosporum ovale and the effect of antimycotic drugs in steroid acne and other acneiform eruptions. Our purpose was to describe the association between steroid acne and P. ovale, and to confirm the superior efficacy of oral antifungal drugs over anti-acne drugs in the treatment of steroid acne. METHODS The history, clinical features direct microscopy, histopathologic analysis, and therapeutic results of 125 cases with steroid acne or other acneiform eruptions were described and compared. RESULTS Over 80% of patients with acneiform eruption receiving systemic steroid revealed significant numbers of P. ovale in the lesional follicle. Furthermore, oral antifungal drug (itraconazole) showed significantly better clinical and mycologic effects than any other group of medications used in this study. CONCLUSIONS Steroid acne and other acneiform eruptions showing discrete follicular papules and/or pustules localized to the upper trunk and acneiform facial skin lesions associated with multiple acneiform lesions on the body in the summer period should be suspected as Pityrosporum folliculitis. In addition, oral antifungal drugs recommended for Pityrosporum folliculitis; however, it will require a larger case-control study to confirm the superiority of antifungal therapy over anti-acne treatment.
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823
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Jeon SH, Jeong S, Lee C, Kim JK, Kim YS, Chung HY, Park SD, Seong RH. Expression of Tcf-1 mRNA and surface TCR-CD3 complexes are reduced during apoptosis of T cells. Int Immunol 1998; 10:1519-27. [PMID: 9796919 DOI: 10.1093/intimm/10.10.1519] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
When a T cell hybridoma, 70.7, was treated with a Ca2+ ionophore (A23187), apoptotic cell death was induced. Interestingly, we observed that the expression of Tcf-1, a T cell-specific transcription factor, mRNA was reduced by approximately 5-fold in the A23187-treated apoptotic cells compared to an ethanol-treated control. The hybridoma cells, however, did not display such a reduced expression of Tcf-1 mRNA upon treatment with buthionine sulfoxide, which is known to induce a necrosis-like cell death. When another T cell hybridoma, KMIs-8.3.5, was treated with A23187 and phorbol myristate acetate, which leads to activation-induced apoptosis, Tcf-1 expression was again greatly reduced. However, a mutant line (KCIT1-8.5) derived from KMIs-8.3.5, which produces IL-2 upon activation and is resistant to apoptosis, did not show such reduction in Tcf-1 expression. We also showed that the reduced expression level of CD3epsilon mRNA and surface TCR-CD3 complex in apoptotic T cells is caused by the reduced expression of Tcf-1. When 70.7 cells were transfected with a plasmid DNA pSVtcf-1, in which Tcf-1 gene expression is driven by the SV40 promoter, such reduction of the Tcf-1 mRNA and the surface expression of the TCR-CD3 complex were not observed upon apoptosis induction. Our results suggest that the reduced expression of Tcf-1 is specific for the apoptotic, but not for the activating, process of T cells and is also responsible for the reduced surface expression of the TCR-CD3 in apoptotic T cells.
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824
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Kim HJ, Kim SW, Jang WY, Kim YS, Park CK. Subcapsular hematoma as a complication of acute pyelonephritis: a case report. J Korean Med Sci 1998; 13:551-3. [PMID: 9811189 PMCID: PMC3054518 DOI: 10.3346/jkms.1998.13.5.551] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
A case of subcapsular hematoma, a rare complication of acute pyelonephritis (APN) is described. A 60-year-old diabetic woman was admitted with a 3 day history of fever and left flank pain due to acute pyelonephritis. On the third day in hospital, left flank pain worsened despite use of antibiotics available for the treatments of APN and hemoglobin rapidly decreased from 11.1 to 7.9 g/dL. Ultrasonography and abdominal CT showed left subcapsular hematoma. Renal angiography demonstrated an ovoid avascular zone between the capsular artery and parenchyme of the left kidney with no evidence of tumors or vascular abnormalities, such as arteriovenous malformation or fistula. Subsequent percutaneous drainage of this subcapsular hematoma was performed and showed old blood-colored drainage. Hereby, the possibility of subcapsular renal hematoma in the course of acute pyelonephritis is stressed as a rare complication.
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825
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Kim DH, Kim BT, Park SY, Kim NY, Han MJ, Shin KH, Kim WS, Kim YS. Degradation of acharan sulfate and heparin by Bacteroides stercoris HJ-15, a human intestinal bacterium. Arch Pharm Res 1998; 21:576-80. [PMID: 9875498 DOI: 10.1007/bf02975378] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
When glycosaminoglycan (GAG)-degrading enzymes were measured in normal human stool suspensions, all 5 tested different stools degraded titrable heparin and acharan sulfate. GAG-degrading bacteria were screened from the isolates of human stools. Among them, HJ-15 had the most potent activities of heparinases (GAGs-degrading enzymes). However, HJ-15 produced the enzyme even if in the media without heparin. Acharan sulfate lyase was induced by acharan sulfate and heparin. Heparinase production was also induced by these GAGs. These enzymes, acharan sulfate lyase and heparinase, were produced in exponential and stationary phase of HJ-15 growth, respectively. Optimal pHs of the acharan sulfate lyase and heparinase activities were 7.2 and 7.5, respectively. The biochemical properties of HJ-15 was similar to those of B. stercoris. However, difference from B. stercoris was utilization of raffinose. This HJ-15 also degraded chondroitin sulfates A and C.
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