101
|
Hartmann L. Humane values and biopsychosocial integration. Am J Psychiatry 1991; 148:1130-4. [PMID: 1882988 DOI: 10.1176/ajp.148.9.1130] [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: 12/29/2022]
|
102
|
Zahimann G, Abdin M, Kaeding A, Gerhardt D, Franczykova M, Hartmann L. KOMPLEXES THERAPIEFÜHRUNGSSYSTEM FÜR TYP-I-DIABETIKER - DIABETEX. BIOMED ENG-BIOMED TE 1991. [DOI: 10.1515/bmte.1991.36.s1.440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
103
|
Nightingale EO, Hannibal K, Geiger HJ, Hartmann L, Lawrence R, Spurlock J. Apartheid medicine. Health and human rights in South Africa. JAMA 1990; 264:2097-102. [PMID: 2214078 DOI: 10.1001/jama.264.16.2097] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Human rights and health care under apartheid in South Africa were studied. Human rights violations, such as detention without charge or trial, assault and torture in police custody, and restriction orders, have had devastating effects on the health of persons experiencing them. These violations have occurred in the context of a deliberate policy of discriminatory health care favoring the white minority over the black majority. South Africa's medical societies have had mixed responses to the health problems raised by human rights violations and inequities in the health care system. The amelioration of health care for all and prevention of human rights violations depend on ending apartheid and discrimination and greater government attention to these problems.
Collapse
|
104
|
Pöting A, Danker K, Hartmann L, Köster M, Wedlich D, Knöchel W. Two different mRNAs coding for identical elongation factor 1 alpha (EF-1 alpha) polypeptides in Xenopus laevis embryos. Differentiation 1990; 44:103-10. [PMID: 2283000 DOI: 10.1111/j.1432-0436.1990.tb00543.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Two related but clearly different cDNA clones corresponding to elongation factor 1 alpha (EF-1 alpha) mRNAs were isolated from a Xenopus laevis gastrula-stage library. Whereas the nucleotide sequences of these two cDNAs differ within the coding region at 49 out of 1386 positions (3.5%), the derived amino acid sequences are completely identical, thereby indicating a substantial evolutionary constraint on this translation factor. Southern-blot analysis of genomic DNA suggests that, besides the two closely related EF-1 alpha genes investigated in this study, other more-distantly related genes may exist in the X. laevis genome. Transcription of EF-1 alpha genes during oogenesis and embryonic development was studied by Northern-blot analysis and by in situ hybridizations. A high amount of EF-1 alpha mRNA was detected in previtellogenic oocytes. At later stages of embryonic development, EF-1 alpha mRNA was found to be accumulated in translationally active tissues.
Collapse
|
105
|
Volk R, Köster M, Pöting A, Hartmann L, Knöchel W. An antisense transcript from the Xenopus laevis bFGF gene coding for an evolutionarily conserved 24 kd protein. EMBO J 1989; 8:2983-8. [PMID: 2479540 PMCID: PMC401371 DOI: 10.1002/j.1460-2075.1989.tb08448.x] [Citation(s) in RCA: 60] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Screening of a Xenopus laevis oocyte cDNA library with a rat basic fibroblast growth factor (bFGF) cDNA led to the isolation of a 1.35 kb sequence containing exon III of the bFGF gene. Reverse complementary listing of this sequence revealed a polyadenylated transcript with an open reading frame coding for an unknown protein of mol. wt 24,292 daltons. The coding part of bFGF exon III is located in this putative mRNA in opposite direction within the 3' untranslated region. By hybridization studies on transcription orientation with single-stranded probes it could be proven that this transcript actually represents an antisense transcript to part of the Xenopus bFGF gene. Sequence organization on corresponding genomic fragments revealed that it is processed from a larger precursor by splicing mechanisms. Sequence comparison with elongated transcripts from the bFGF gene in human hepatoma has shown that the gene coding for the antisense mRNA is evolutionarily conserved.
Collapse
|
106
|
Enzensberger R, Doerr HW, von Briesen H, Rübsamen-Waigmann H, Staszewski S, Helm EB, Enenkel S, Hartmann L. [HIV infection with a serological variant]. Dtsch Med Wochenschr 1989; 114:401. [PMID: 2924695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
|
107
|
Nightingale EO, Lawrence R, Geiger HJ, Spurlock J, Hartmann L, Mercer E, Hannibal K. Visas not approved for medical delegation to South Africa. Am J Public Health 1988; 78:989. [PMID: 3389448 PMCID: PMC1349880 DOI: 10.2105/ajph.78.8.989-a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
|
108
|
Nightingale EO, Lawrence R, Geiger HJ, Spurlock J, Hartmann L, Mercer E, Hannibal K. Last-minute ban on medical visit to South Africa. Lancet 1988; 1:1112. [PMID: 2896945 DOI: 10.1016/s0140-6736(88)91934-4] [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: 01/03/2023]
|
109
|
Gali P, Wolfrom C, Gautier M, Hartmann L. Insulin dependence of M2 pyruvate kinase in primary culture of human liver. LIVER 1986; 6:53-9. [PMID: 3520205 DOI: 10.1111/j.1600-0676.1986.tb00268.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
In the basal state, the presence of L pyruvate kinase (LPK) was constantly observed in primary human liver cell cultures initiated from explants, when cells were examined by immunofluorescence and double labelling. After short-term insulin incubation, M pyruvate kinase (MPK) appeared. Therefore, both LPK and MPK were located in the same cells. We previously obtained the same results in isolated rat hepatocytes in which we demonstrated that short-term regulation of M2PK by insulin was a function of dose and/or incubation time. The present work established that similar conditions govern the regulation of this isozyme in vitro in human hepatocytes.
Collapse
|
110
|
Davrinche C, Rivat C, Ollier-Hartmann MP, Hartmann L. C3, BF and C4 polymorphisms in familial Mediterranean fever. ISRAEL JOURNAL OF MEDICAL SCIENCES 1985; 21:883-5. [PMID: 3852807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
BF, C3 and C4 phenotyping were investigated in 34 patients with familial Mediterranean fever (FMF) and in 48 control subjects. Both groups included Sephardic Jews born in Tunisia, Algeria and Morocco. No linkage between BF, C3 and C4 polymorphisms and FMF was found.
Collapse
|
111
|
Gali P, Clausse S, Fofana L, Hartmann L. Physicochemical and immunochemical proofs of short-term insulin regulation of hepatic M2 pyruvate kinase. ENZYME 1985; 33:49-56. [PMID: 3886373 DOI: 10.1159/000469403] [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
In isolated rat hepatocytes, the short-term regulation of the M2 pyruvate kinase isozyme by insulin is demonstrated. This hormone dependence, which is a function of dose and incubation time, is checked by the activity of the pyruvate kinase, using enzyme assay, cellulose acetate electrophoresis and electroimmunodiffusion methods.
Collapse
|
112
|
Cahour A, Debeire P, Parente JP, Hartmann L, Montreuil J. Structural basis of the heterogeneity of asparagine-linked oligosaccharides of a Waldenstrom's macroglobulinemia immunoglobulin M. BIOCHIMICA ET BIOPHYSICA ACTA 1984; 802:188-96. [PMID: 6437450 DOI: 10.1016/0304-4165(84)90160-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The extent of glycans heterogeneity in a pathological human immunoglobulin M ZAJ has been studied on oligosaccharides released by hydrazinolysis from the purified glycoprotein. After reduction with NaB3H4, asparagine-linked carbohydrate chains were separated by affinity chromatography on concanavalin A-Sepharose into oligomannosidic and N-acetyllactosaminic types. Glycans of the oligomannosidic type were further fractionated by HPLC and those of the N-acetyllactosamine type by preparative high-voltage electrophoresis. The primary structure of the main oligosaccharides was investigated on the basis of micro-methylation analysis, mass spectrometry and sequential exo-glycosidase digestion. Glycans of the oligomannosidic type varied in size from Man5GlcNAc2 to Man9GlcNAc2. N-Acetyllactosaminic glycans were found of the biantennary, bisected-biantennary and triantennary types. They presented a higher degree of heterogeneity due to the presence of a variable number of NeuAc and fucose residues. The new structures we report here were in addition to the major biantennary one we previously described on the basis of methylation analysis and 500 MHz 1H-NMR spectroscopy (Cahour, A., Debeire, P., Hartmann, L., Montreuil, J., Van Halbeek, H. and Vliegenthart, J.F.G. (1984) FEBS Lett. 170, 343-349): NeuAc(alpha 2-6)Gal(beta 1-4)GlcNAc(beta 1-2)Man(alpha 1-3)[Gal(beta 1-4)Glc-NAc(beta 1-2)Man(alpha 1-6)]Man(beta 1-4)]Glc-NAc(beta 1-4) [Fuc(alpha 1-6)]GlcNAc.
Collapse
|
113
|
Cahour A, Debeire P, Hartmann L, Montreuil J, van Halbeek H, Vliegenthart JF. Primary structure of the major glycans of the N-acetyllactosamine type derived from the human immunoglobulins M from two patients with Waldenström's macroglobulinemia. FEBS Lett 1984; 170:343-9. [PMID: 6427010 DOI: 10.1016/0014-5793(84)81341-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The carbohydrate chains of the pathological human immunoglobulins M from two patients with Waldenström's macroglobulinemia were released by hydrazinolysis. The N-acetyllactosamine-type glycans were obtained by affinity chromatography on concanavalin A and fractionated by high-voltage paper electrophoresis. The primary structure of the major compounds was elucidated on the basis of carbohydrate analysis, methylation analysis, including mass-spectrometry, and 500 MHz 1H-NMR spectroscopy. For both patients, this appeared to be a monosialyl monofucosyl biantennary structure; the compounds differed by the presence of an intersecting N-acetylglucosamine residue.
Collapse
|
114
|
Zalc B, Collet A, Monge M, Ollier-Hartmann MP, Jacque C, Hartmann L, Baumann NA. Tamm-Horsfall protein, a kidney marker is expressed on brain sulfogalactosylceramide-positive astroglial structures. Brain Res 1984; 291:182-7. [PMID: 6365243 DOI: 10.1016/0006-8993(84)90669-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The Tamm-Horsfall (TH) glycoprotein and the acidic glycosphingolipid sulfogalactosylceramide (SGC) have a strictly superimposable localization on kidney tissue sections. The fact that SGC is a prevalent glycolipid in mammalian brain, prompted us to look for the presence of TH in the rat central nervous system (CNS). An antiserum raised against human TH was found to react with rat CNS homogenate in the complement fixation assay. This anti-TH antiserum recognized a rat CNS protein having an identical electrophoretical mobility on SDS polyacrylamide gel electrophoresis (PAGE). Indirect immunofluorescence on rat brain tissue sections allowed us to localize this brain TH cross-reacting material to ependymal cells and astrocytic processes such as the Bergmann fibers or astrocytic feet in contact with either the blood vessels or the meninges. All these astroglial structures are also SGC-positive. Since TH and SGC in the kidney are localized on a membrane that possesses an electrogenic Cl-pump, we propose that the astroglial structures which contain these two molecules are also the site of a Cl-transport system.
Collapse
|
115
|
Gali P, Broer Y, Rosselin G, Hartmann L. Hormone dependence of the L and M isozymes of pyruvate kinase in isolated rat hepatocytes. Biol Cell 1984; 48:133-41. [PMID: 6370353 DOI: 10.1111/j.1768-322x.1984.tb00207.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
L Pyruvate kinase (LPK) is considered to be the major form in the liver. Two isozymes, LPK and MPK, have been localized in the isolated rat hepatocyte in vitro with an immunocytometric method. MPK is induced by insulin, which also creates a slight stimulation of LPK (at physiological doses) in both fed and fasted animals. Glucagon inhibits LPK in fed animals (the fasting rat is already in a situation of gluconeogenesis and this hormone is ineffective). MPK is insensitive to glucagon, regardless of the nutritional state of the animals. Each PK isozyme is thus controlled predominantly by one of the two hormones, corresponding to a sophisticated regulation of hepatic glycolysis and gluconeogenesis.
Collapse
|
116
|
Schuller E, Bringuier AF, Hartmann L. Presence of a Tamm-Horsfall-like glycoprotein in the CSF of neurology patients. First results. Eur Neurol 1984; 23:65-72. [PMID: 6723716 DOI: 10.1159/000115680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A protein antigenically similar to Tamm-Horsfall glycoprotein ( THLG ) was determined in CSF by affinity chromatography followed by a radioimmunological assay. THLG seems not to be a constituent of normal CSF or an autoantigen. It probably originates from nervous tissue and not from plasma proteins. Its mean is higher in the CSF of multiple sclerosis patients than in the CSF of degenerative disorders patients. THLG seems to be a chemical component of neuronal membrane and its physiological functions remain unknown.
Collapse
|
117
|
Ollier-Hartmann MP, Pouget-Abadie C, Bouillie J, Hartmann L. Variations of urinary Tamm-Horsfall protein in humans during the first thirty years of life. Nephron Clin Pract 1984; 38:163-6. [PMID: 6436719 DOI: 10.1159/000183300] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
A systematic study was undertaken to evaluate the urinary Tamm-Horsfall protein (THP), creatinine and total protein elimination in 76 normal subjects divided into five groups during the first 30 years of life. This shows that urinary THP flow, relating to body surface area, increases progressively up to adult age.
Collapse
|
118
|
|
119
|
Hartmann L, Bringuier AF, Schuller E. Development of a radioimmunoassay for 'Tamm-Horsfall-like' glycoprotein in serum and cerebrospinal fluid. Clin Chim Acta 1983; 133:215-22. [PMID: 6627683 DOI: 10.1016/0009-8981(83)90407-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Affinity chromatography purification was combined with a radioimmunoassay for 'Tamm-Horsfall-like' glycoprotein. This enabled serum concentrations to be established and to demonstrate its presence in cerebrospinal fluid for the first time. This assay method used in different circumstances suggests a multifocal synthesis. Nevertheless, urinary Tamm-Horsfall glycoprotein so far must be distinguished from the serum or cerebrospinal fluid Tamm-Horsfall-like glycoprotein.
Collapse
|
120
|
Krishnamoorthy R, Cahour A, Elion J, Hartmann L, Labie D. Monosaccharides bound to hemoglobins in normal and diabetic individuals. Evidence for glucose, mannose and galactose as sugars released by methanolysis of the different hemoglobin components. EUROPEAN JOURNAL OF BIOCHEMISTRY 1983; 132:345-50. [PMID: 6840091 DOI: 10.1111/j.1432-1033.1983.tb07368.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Direct evidence is given for the presence of glucose, mannose and galactose as the products of hydrolysis of hemoglobins A1a1, A1a2, A1b, A1c and A0. The presence of galactose cannot be explained by the earlier hypothesis of Amadori rearrangement and suggests the existence of further complex rearrangements. Monosaccharide content of the different hemoglobin components varies from 0.2-2.0 mol/mol of alpha beta dimer with an increase of 1.5-2.0-times in diabetic components. This increase is not accompanied by net charge differences, suggesting that additionally bound sugars are not responsible for the pI modification of these hemoglobins. The pattern of glucose, mannose and galactose ratio in normal individuals divides these hemoglobins into two classes, hemoglobins A1b, A1c and A0 (ratio 0.60:0.25:0.15) on one hand and hemoglobins A1a1 and A1a2 (ratio 0.40:0.40: 0.20) on the other. These findings suggest that diverse mechanisms for sugar binding might exist between these two classes of glycosylated hemoglobins. This difference disappears in diabetic components suggesting that the non-NH2-terminal sites are glycosylated in all components by a common mechanism. Increase in glucose at the expense of mannose and galactose, as observed in diabetics, could be an indicator of recent glycosylation.
Collapse
|
121
|
Hartmann L, Doree G, Ambert JP. Gas-liquid chromatography reference method for the assay of urinary creatinine. JOURNAL OF CHROMATOGRAPHY 1983; 273:235-43. [PMID: 6863440 DOI: 10.1016/s0378-4347(00)80945-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The gas-liquid chromatographic measurement of urinary creatinine described in this paper employs methylation, the use of a diethylene glycol succinate stationary phase, an internal L-hydroxyproline standard and a temperature of 180 degrees C. The technique, which is specific and reproducible, is shown to be a reference method providing more precise and reliable results than a conventional colorimetric method. In addition, it can be used as a routine method because of its simplicity.
Collapse
|
122
|
Hartmann L. [Hereditary angioneurotic edema. Apropos of 185 patients and 40 families]. BULLETIN DE L'ACADEMIE NATIONALE DE MEDECINE 1983; 167:343-51. [PMID: 6354379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
|
123
|
Cahour A, Debeire P, Hartmann L, Montreuil J. Comparative study of the carbohydrate moieties of normal and pathological human immunoglobulins M. Biochem J 1983; 211:55-63. [PMID: 6870828 PMCID: PMC1154328 DOI: 10.1042/bj2110055] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The well-known heterogeneity of normal and pathological immunoglobulins M was investigated in a study involving the characterization of their carbohydrate moieties. Oligosaccharide units were released from the native molecule by hydrazinolysis, and they were fractionated by affinity chromatography on a concanavalin A-Sepharose column to yield separate N-acetyl-lactosaminic-type and oligomannosidic-type structures. Further identification of these oligosaccharides was attempted by t.l.c. on silica gel and by determination of their monosaccharide compositions. A comparative study of the oligosaccharide units belonging to each population of immunoglobulin M was possible. Similarities were found in the occurrence of both types of oligosaccharide structures, and, in addition, a common double heterogeneity could be demonstrated for N-acetyl-lactosaminic-type structures: they could be resolved by affinity chromatography into bi-, tri- and tetra-antennary structures, and they also showed differences in N-acetylneuraminic acid content. Though some variations were observed in the exact composition of the oligosaccharide units within each population, it was possible to consider a representative oligosaccharide-unit composition of normal immunoglobulin M as a standard for comparison. On this basis a predominance of multi-antennary structures was observed in the more glycosylated pathological immunoglobulins M (10% carbohydrate content), whereas oligomannosidic structures were increased in pathological immunoglobulins M with a lower content of carbohydrates (7%). These variations are thought to reflect differences in the biosynthetic processing pathway of the carbohydrate units of the pathological immunoglobulins M or the enhanced expression of a molecular clone.
Collapse
|
124
|
Abstract
Using immunofluorescence and double-labelled antisera L and M pyruvate kinase (PK), we show that PK is localized in hepatocyte cytoplasm. The response is modulated by different dietary and hormonal conditions. In physiological conditions, only L PK is noted: slight with normal diet (or 35 micrograms of glucagon) and non-existent with starvation (or 350 micrograms of glucagon). L PK fluorescence is maximal after a carbohydrate-rich diet. In experimental or genetic (Zucker rat) hyperinsulinemia, hepatocytes are both L PK and M PK positive. After partial hepatectomy, this double specificity is found between 48 h and the 7th day. The decrease of PK fluorescence after starvation or glucagon concerns the L PK form of the enzyme. With exo- or endogenous insulin, the increase of PK (as insulinemia assays from Zucker rats or after partial hepatectomy confirm) is essentially due to the presence of M PK in hepatocytes.
Collapse
|
125
|
Hartmann L, Bringuier AF, Delain E. Ultrastructure-immunoreactivity interference in the radioimmunoassay of the Tamm-Horsfall urinary mucoprotein. J Immunol Methods 1982; 54:343-53. [PMID: 7175193 DOI: 10.1016/0022-1759(82)90318-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
|