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Grossie VB, Ota DM, Ajani JA, Chang TH, Patenia D, Nishioka K. Influence of total parenteral nutrition on tumor growth and polyamine biosynthesis of fibrosarcoma-bearing rats after induced cachexia. JPEN J Parenter Enteral Nutr 1988; 12:441-4. [PMID: 3141639 DOI: 10.1177/0148607188012005441] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The effect of a protein-free diet (PF) or a restricted intake of chow (RI) and subsequent host repletion with total parenteral nutrition (PF-TPN, RI-TPN) on tumor growth and polyamine metabolism of fibrosarcoma-bearing rats was examined. Host weight was significantly reduced by PF and RI. Tumor growth was reduced in malnourished rats with the PF regimen resulting in the greatest decrease. Rats receiving TPN after 14 days of the RI or PF regimens had higher host weight and plasma albumin levels than malnourished rats. Tumor growth during TPN was evaluated as the percent increase and compared with that of the respective malnourished rats. The percent increase for RI-TPN rats was significantly greater although a trend toward an increase was also evident for PF-TPN rats. Tumor ornithine decarboxylase (ODC) activity and putrescine levels were increased for PF rats and decreased for RI rats while tumor ODC activity was consistently increased by TPN. Tumor growth, ODC activity, and putrescine levels were simultaneously increased only for those rats fed the RI regimen prior to TPN. These results show a disparity in tumor ODC activity, putrescine levels, and tumor growth in malnourished rats. The results of this study suggest that the nutritional origin of cachexia influences the response of the tumor to TPN and emphasizes the importance of considering the methods to induce malnutrition in designing therapuetic regimens.
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Meng MH, Chen GC, Hsieh JH, Yueh Y, Chen SC, Chang TH, Tsao D. [Continuous production of anti-hepatitis B surface antigen monoclonal antibody in hollow fiber perfusion bioreactor]. ZHONGHUA MINGUO WEI SHENG WU JI MIAN YI XUE ZA ZHI = CHINESE JOURNAL OF MICROBIOLOGY AND IMMUNOLOGY 1988; 21:125-40. [PMID: 3072154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Hybridoma cell line H440Ac was cultivated continuously in hollow fiber perfusion bioreactor for fifty days to produce anti-hepatitis B surface antigen (anti-HBsAg) monoclonal antibody. A total of 90 mg anti-HBsAg antibody was produced in the hollow fiber bioreactor with 1000 cm2 membrane surface area. The collected production medium has an average antibody concentration of 0.45 mg/ml with a high concentration of 2.3 mg/ml. This compares with 0.016 and 1.1 mg/ml antibody concentration as collected from spinner flask and mouse ascites. The purity of the produced antibody is 0.085, 0.0028 and 0.026 mg antibody per mg of total harvested protein in the culture media produced from the hollow fiber bioreactor, spinner flasks and mouse ascites, respectively.
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128
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Chang TH, Clark MW, Lustig AJ, Cusick ME, Abelson J. RNA11 protein is associated with the yeast spliceosome and is localized in the periphery of the cell nucleus. Mol Cell Biol 1988; 8:2379-93. [PMID: 3043176 PMCID: PMC363436 DOI: 10.1128/mcb.8.6.2379-2393.1988] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The yeast rna mutations (rna2 through rna10/11) are a set of temperature-sensitive mutations that result in the accumulation of pre-mRNAs at the nonpermissive temperature. Most of the yeast RNA gene products are involved in and essential for mRNA splicing in vitro, suggesting that they code for components of the splicing machinery. We tested this proposal by using an in vitro-synthesized RNA11 protein to complement the temperature-sensitive defect of the rna11 extract. During the in vitro complementation, the input RNA11 protein was associated with the 40S spliceosome and a 30S complex, suggesting that the RNA11 protein is indeed a component of the spliceosome. The formation of the RNA11-associated 30S complex did not require any exogenous RNA substrate, suggesting that this 30S particle is likely to be a preassembled complex involved in splicing. The RNA11-specific antibody inhibited the mRNA splicing in vitro, confirming the essential role of the RNA11 protein in mRNA splicing. Finally, using the anti-RNA11 antibody, we localized the RNA11 protein to the periphery of the yeast nucleus.
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Jiang JB, Chang TH. A new technique of transduodenal choledochoduodenostomy. SURGERY, GYNECOLOGY & OBSTETRICS 1986; 163:581-2. [PMID: 3787437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A new technique of transduodenal choledochoduodenostomy is proposed. It is easy to perform and leaves no blind tube below the stoma and biliary pancreatic leakage is eliminated.
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130
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Chang TH, Chao HL. A new method for biliary tract reconstruction for primary bile duct stones. ARCHIVES OF SURGERY (CHICAGO, ILL. : 1960) 1986; 121:720-2. [PMID: 3707346 DOI: 10.1001/archsurg.1986.01400060116017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Twelve patients with repeated episodes of jaundice and infection due to primary biliary duct stones were treated by interposing a 50-cm segment of the jejunum between the proximal common duct below the liver and the first portion of the duodenum. The interposed jejunum was positioned in a retrogastric position. There were no postoperative deaths, and laboratory data indicate no alteration in gastric secretion, gastrin levels, or barium reflux into the liver. After a mean follow-up period of 11.67 months, there was no need for further operations in these patients, all of whom had had previous multiple episodes of cholangitis and biliary colic.
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Abstract
Spleen lymphocytes obtained from mice immunized with Trichomonas vaginalis ATCC 30001 were fused with P3-X63-Ag8-653 mouse myeloma in order to produce hybridoma-secreting antibodies against T. vaginalis associated antigens. Six hybridoma cloned cell lines were established; three produced IgG1, two produced IgG2a, and one produced IgM monoclonal antibody. These six monoclonal antibodies showed binding to seven isolated strains of T. vaginalis but did not bind to Giardia lamblia. Three of those monoclonal antibodies did not bind to Tritrichomonas foetus. These anti-trichomonal monoclonal antibodies should prove to be of great value as diagnostic and research reagents.
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132
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Chang TH. Acute volvulus of the transverse colon: report of an unusual case. THE WEST VIRGINIA MEDICAL JOURNAL 1985; 81:95-8. [PMID: 3859102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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133
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Chang TH, Lee YC, Lee KY, Sun CH, Chang YP. Cocarcinogenic action of aspirin on gastric tumors induced by N-nitroso-N-methylnitroguanidine in rats. J Natl Cancer Inst 1983; 70:1067-75. [PMID: 6574276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Albino rats (noninbred) were divided into 4 groups: 1) 56 control rats, 2) 40 rats fed 1 ml aspirin suspension (40 mg/ml) twice a week, 3) 20 rats given N-nitroso-N-methylnitroguanidine (MNNG) solution (250 micrograms/ml) to drink ad libitum, and 4) 40 rats given both aspirin and MNNG. In 18 months, there were no gastrointestinal tumors in groups 1 and 2, 8 cases of gastric tumors in group 3, and 37 cases of gastric tumors in group 4. Adenocarcinomas of the glandular stomach were found in 21 of 40 rats in group 4 but in only 4 of the 20 rats in group 3; the difference in incidence was significant. Histologic and electron microscopic examination of the epidermoid carcinomas and adenocarcinomas in group 4 showed no difference from such tumors induced by MNNG only. Hyperplasia of the forestomach mucosa and hyperplasia of the pyloric gland region of the glandular stomach in group 4 were more severe.
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134
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Cinberg JZ, Chang TH, Hebbard P, Bases R, Vogl SE. An application of immunocytology to the analysis of the cell kinetics of upper respiratory and digestive tract squamous carcinoma. Cancer 1983; 51:1843-6. [PMID: 6339025 DOI: 10.1002/1097-0142(19830515)51:10<1843::aid-cncr2820511015>3.0.co;2-j] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
An antinucleoside immunofluorescence technique (ANIF) facilitated evaluation of labeling index (LI) from frozen sections of 36 upper respiratory and digestive tract squamous cancers (URDTS) from a group of 35 patients. There were 35 URDTS of the larynx, oral cavity, or pharynx and the LIs of this population ranged from 0-39.4%, (mean, 14.7%); 6% of URDTS (2 of 36) were not assessable by ANIF. The administration of nontherapeutic radioactive materials, the establishment of cell cultures, and perturbations in cell growth implicit in the removal of tumor from host prior to assessment are unnecessary in the application of this technique.
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135
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Field LJ, Bruenn JA, Chang TH, Pinhasi O, Koltin Y. Two Ustilago maydis viral dsRNAs of different size code for the same product. Nucleic Acids Res 1983; 11:2765-78. [PMID: 6856475 PMCID: PMC325922 DOI: 10.1093/nar/11.9.2765] [Citation(s) in RCA: 31] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
UmV is a double-stranded RNA (dsRNA) virus of the corn fungus Ustilago maydis. There are three viral subtypes, P1, P4 and P6, which differ in the specificity of their secreted killer toxins. Each has three size classes of dsRNAs: H (heavy), M (medium), and L (light). We find that, unique among dsRNA viruses, two segments of different size code for the same product--the toxin resistance factor. The smaller dsRNA (L) is homologous to one end of the larger (M), and may have arisen by replication and packaging of a sub-genomic mRNA. We have also compared all the UmV dsRNAs with each other and with the dsRNAs of the similar yeast virus (ScV) by Northern gel and by 3' sequence analysis. Like those of ScV, many of the UmV dsRNAs have one 3' terminus with the sequence UUUUUCAOH or UUUUUCGOH. The H and L dsRNAs of similar size in different viral subtypes are generally related in sequence. The UmV H dsRNAs of different size are not detectably related in sequence.
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136
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Kozbor D, Roder JC, Chang TH, Steplewski Z, Koprowski H. Human anti-tetanus toxoid monoclonal antibody secreted by EBV-transformed human B cells fused with murine myeloma. Hybridoma (Larchmt) 1982; 1:323-8. [PMID: 6092264 DOI: 10.1089/hyb.1.1982.1.323] [Citation(s) in RCA: 251] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
An Epstein-Barr virus (EBV)-transformed human B cell line (B6) producing anti-tetanus toxoid (TT) antibody was fused with a nonimmunoglobulin (Ig)-producing murine myeloma and selected in hypoxanthine-aminopterin-thymidine (HAT) medium containing 10(-5) M ouabain. Surviving cells were cloned by limiting dilution and confirmed as hybrids by karyotype analysis and G-11 staining. Hybridomas were stable and secreted 10-fold more anti-TT antibody (IgM kappa) than the human parental cell line. In addition, the hybridomas exhibited a markedly reduced growth requirement for serum (1% fetal calf serum). Since EBV can be used to expand rare antigen-specific B cells in the human, the technique described here may be at present the method of choice for producing human monoclonal antibodies.
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137
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Steplewski Z, Chang TH, Herlyn M, Koprowski H. Release of monoclonal antibody-defined antigens by human colorectal carcinoma and melanoma cells. Cancer Res 1981; 41:2723-7. [PMID: 7248940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Many but not all of the cell surface antigens studied were released into tissue culture medium of human colorectal carcinoma and melanoma cells maintained in vitro. Two groups of monoclonal antibody-defined antigens are described. One group is composed of molecules that are released easily and in large quantitites into the tissue culture milieu. In this group, four glycolipid antigens of colon carcinoma, including a monosialoganglioside, and five glycoproteins of melanoma were detected in tissue culture supernatants. Antigens of the second group could not be detected in tissue culture supernatants. This group included one colorectal carcinoma antigen, the nature of which is unknown, and a glycoprotein of melanoma cells.
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138
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Chang TH, Steplewski Z, Sears HF, Koprowski H. Detection of monoclonal antibody-defined colorectal carcinoma antigen by solid-phase binding inhibition radioimmunoassay. Hybridoma (Larchmt) 1981; 1:37-45. [PMID: 6926850 DOI: 10.1089/hyb.1.1981.1.37] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
We have established a solid-phase binding inhibition radioimmunoassay for the detection of colorectal carcinoma-specific antigens in tissue culture supernatants of human colorectal carcinoma cell lines and in serum and urine of colorectal carcinoma patients. Using the [3H]glucosamine-labeled cell membrane glycolipid antigen and colorectal carcinoma-specific monoclonal antibodies in this assay, we have been able to detect several human colorectal carcinoma membrane-specific antigens that are released from the cell membrane into tissue culture supernatants, and an antigen detected by antibodies 1116-NS-19-9 and 1116-NS-52a that is found only in the serum and urine of cancer patients.
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Abstract
We have succeeded in growing several established hybridoma cell lines (1116NS-19; 116NS-33a; 1116NS-52a; 1083-17-1A; 691-19-19) in a serum free medium supplemented with physiological concentrations of insulin (5 microgram/ml) and transferrin (5 microgram/ml). The hybridoma cells replicate in this medium and will secrete monoclonal antibodies in quantities comparable to those produced in the presence of serum. Adapted hybridoma cultures have been secreting antibodies in the supplemented serum free (SSF) medium for more than 3 months. Parental mouse myeloma P3x63Ag8 cells and non-secreting subclone 653 cells cannot survive longer than 6 days under the same conditions. Both insulin and transferrin are necessary for hybridoma cells to grow in serum free medium and omission of either one will not permit cell multiplication.
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140
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Gilliland DG, Steplewski Z, Collier RJ, Mitchell KF, Chang TH, Koprowski H. Antibody-directed cytotoxic agents: use of monoclonal antibody to direct the action of toxin A chains to colorectal carcinoma cells. Proc Natl Acad Sci U S A 1980; 77:4539-43. [PMID: 6933502 PMCID: PMC349879 DOI: 10.1073/pnas.77.8.4539] [Citation(s) in RCA: 125] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
We have constructed cell-specific cytotoxic agens by covalently coupling the A chain from diphtheria toxin or ricin toxin to monoclonal antibody directed against a colorectal carcinoma tumor-associated antigen. Antibody 1083-17-1A was modified by attachment of 3-(2-pyridyldithio)propionyl or cystaminyl groups and then treated with reduced A chain to give disulfide-linked conjugates that retained the original binding specificity of the antibody moiety. the conjugates showed cytotoxic activity for colorectal carcinoma cells in culture, but were not toxic in the same concentration range for a variety of cell lines that lacked the antigen. Under defined conditions virtually 100% of antigen-bearing cultured cells were killed, whereas cells that lacked the antigen were not affected. Conjugates containing toxin A chains coupled to monoclonal antibodies may be useful in studying functions of various cell surface components and, possibly, as tumor-specific therapeutic agents.
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141
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Cinberg JZ, Chang TH, Bases R, Molnar J. The percentage of cells in DNA synthesis in epidermoid carcinomas of the head and neck: a preliminary report. Laryngoscope 1980; 90:920-3. [PMID: 7382707 DOI: 10.1002/lary.1980.90.6.920] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The in vivo study of cell kinetics of squamous carcinomas of the head and neck is in its infancy. One cell kinetic parameter, the labelling index (LI), the percentage of cells actively replicating DNA, was estimated in carcinomas of the oral cavity (10), larynx (6) and pharynx(5) by an histochemical immunoglobulin technique developed recently in our laboratory: the antinucleoside antibody technique (ANIP-LI). Data from earlier experiments using autoradiography (3H-thymidine) have established that the enzyme-antibody and isotopic techniques are equivalent. The LI ranged from 1 to 30 with a mean of 13 in this group of tumors. The LI could not be evaluated for 14% (3/21) of the specimens. The 3 patients with tumors not suitable for ANIP-LI had received a full course of radiotherapy and/or chemotherapy before they had entered our study. The higher the LI of the tumor, the greater the likelihood that the surgical stage would be higher than the clinical stage, most often as a result of clinically unrecognized lymph node metastasis. However, the number of tumors sampled was inadequate for a statistical trend to be identified. The potential for the LI to be useful in the formulation of improved therapeutic strategies awaits the accumulation of more data from studies currently in progress.
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142
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Chang TH, Williams IH, Polakis SE. Differentiation of 3T3-L1 fibroblasts to adipocytes. Loss of stimulation of uridine and 2-deoxy-D-glucose transport by PGF2 alpha in the course of differentiation of the 3T3-L1 cell line. Exp Cell Res 1979; 120:395-403. [PMID: 436966 DOI: 10.1016/0014-4827(79)90399-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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143
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Chang TH. Surgical management of esophageal scleroderma. THE WEST VIRGINIA MEDICAL JOURNAL 1979; 75:115-8. [PMID: 289230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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144
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Chang TH, Polakis SE. Differentiation of 3T3-L1 fibroblasts to adipocytes. Effect of insulin and indomethacin on the levels of insulin receptors. J Biol Chem 1978; 253:4693-6. [PMID: 659443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Differentiating (3T3-L1) and nondifferentiating (3T3-C2) fibroblastic cell lines possess two classes of insulin receptors, high affinity (KD = 1.0 to 3.7 X 10(-9) M) and low affinity (KD = 2.0 to 3.6 X 10(-8) M). Confluent cultures of 3T3-L1 cells induced to differentiate by insulin (1.74 x 10(-6) M) or indomethacin (1.25 x 10(-4) M) exhibit a 3-fold increase in the number of high affinity and low affinity receptors per cell or a 1.5- to 1.8-fold increase in the number of receptors per micron2 of surface area. In contrast, nondifferentiating 3T3-C2 cells treated with insulin or indomethacin lose almost completely the high affinity insulin receptors while retaining the same levels of low affinity receptors. The loss of high affinity receptors of the 3T3-C2 cells is accompanied by the disappearance of the stimulatory effect of insulin on the production of CO2 from glucose and on the uptake of aminoisobutyrate. The levels of high affinity insulin receptors appear to be regulated by different mechanisms in the differentiating (3T3-L1) and nondifferentiating (3T3-C2) cell lines. The mode of this regulation may have a bearing on the ability of a particular cell line to differentiate.
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145
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Chang TH, Liebeskind D, Hsu KC, Elequin F, Janis M, Bases R. Labeling index in clinical specimens estimated by the antinucleoside antibody technique. Cancer Res 1978; 38:1012-8. [PMID: 346203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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146
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Chang TH. Villous adenoma of the stomach. THE WEST VIRGINIA MEDICAL JOURNAL 1977; 73:95-8. [PMID: 266311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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147
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Gordon ER, Goresky CA, Chang TH, Perlin AS. The isolation and characterization of bilirubin diglucuronide, the major bilirubin conjugate in dog and human bile. Biochem J 1976; 155:477-86. [PMID: 949313 PMCID: PMC1172869 DOI: 10.1042/bj1550477] [Citation(s) in RCA: 71] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The chemical structure of the major conjugate of bilirubin was unequivocally elucidated by structural analysis. The conjugated bilirubins were first separated from the lipid components of human duodenal aspirates or dog gall-bladder bile, and then resolved by t.l.c. into a series of tetrapyrroles. The major tetrapyrrole was then converted into its more stable dipyrrolic azo derivative for further analysis. The conjugated moiety of the azopigment was characterized after methanolysis with sodium methoxide. This reaction yields two types of product, those soluble in water and those soluble in organic solvents. The organic-soluble fraction was shown by t.l.c. and mass spectrometry to contain the methyl esters of the dipyrrolic azo derivatives of bilirubin. The water-soluble materials were analysed by enzymic procedures, t.l.c., n.m.r. spectrometry and combined g.l.c. and mass spectrometry. This analysis showed that the only water-soluble product resulting from the methanolysis was glucuronic acid. The structure was identical with that of pure standards, on both mass spectrometry and n.m.r. spectroscopy. No contaminating moieties were found. Quantitative measurement indicated that the glucuronic acid had been released in a 1:1 molar ratio with the resulting methyl esters of the dipyrrolic azo derivatives of bilirubin. This unequivocally establishes bilirubin diglucuronide as the major pigment present in bile. Past problems with identification of bilirubin diglucuronide were shown to originate from procedures which resulted in incomplete separation and isolation of the azopigments of the conjugated bilirubins, owing to contamination by biliary lipids.
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148
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Chang TH, Myers HC. Proximal jejunal reversal procedure without interposition for management of dumping syndrome. Am Surg 1975; 41:632-9. [PMID: 1163905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
For control of disabling dumping syndrome, a short jejunal reversal interposition between the gastric remnant and the duodenum or between the gastric remnant and the jejunum with or without a second jejunal reversal is in current use. A new procedure, proximal jejunal reversal based on a modified antiperistaltic Roux-en-Y without interposition of the jejunal loop is presented and three cases are reported.
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149
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Chang TH. Acute volvulus of the sigmoid colon in a two-year-old child. THE WEST VIRGINIA MEDICAL JOURNAL 1974; 70:75-9. [PMID: 4522584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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150
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Chang TH. Management of traumatic shock in a community teaching hospital. THE WEST VIRGINIA MEDICAL JOURNAL 1972; 68:334-40. [PMID: 4510600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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