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Alselehdar SK, Chakraborty M, Chowdhury S, Alcalay RN, Surface M, Ledeen R. Subnormal GM1 in PBMCs: Promise for Early Diagnosis of Parkinson's Disease? Int J Mol Sci 2021; 22:11522. [PMID: 34768952 PMCID: PMC8583888 DOI: 10.3390/ijms222111522] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 10/07/2021] [Accepted: 10/15/2021] [Indexed: 12/17/2022] Open
Abstract
The fact that Parkinson's disease (PD) pathologies are well advanced in most PD patients by the time of clinical elucidation attests to the importance of early diagnosis. Our attempt to achieve this has capitalized on our previous finding that GM1 ganglioside is expressed at subnormal levels in virtually all tissues of sporadic PD (sPD) patients including blood cells. GM1 is present in most vertebrate cells, is especially abundant in neurons where it was shown essential for their effective functioning and long term viability. We have utilized peripheral blood mononuclear cells (PBMCs) which, despite their low GM1, we found to be significantly lower in sPD patients compared to age-matched healthy controls. To quantify GM1 (and GD1a) we used high performance thin-layer chromatography combined with cholera toxin B linked to horseradish peroxidase, followed by densitometric quantification. GM1 was also deficient in PBMCs from PD patients with mutations in the glucocerebrosidase gene (PD-GBA), apparently even lower than in sPD. Reasons are given why we believe these results obtained with patients manifesting fully developed PD will apply as well to PD patients in preclinical stages-a topic for future study. We also suggest that these findings point to a potential disease altering therapy for PD once the early diagnosis is established.
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Affiliation(s)
- Samar K. Alselehdar
- Department of Pharmacology, Physiology, and Neuroscience, Rutgers, The State University of NJ, Newark, NJ 07103, USA; (S.K.A.); (M.C.); (S.C.)
| | - Monami Chakraborty
- Department of Pharmacology, Physiology, and Neuroscience, Rutgers, The State University of NJ, Newark, NJ 07103, USA; (S.K.A.); (M.C.); (S.C.)
| | - Suman Chowdhury
- Department of Pharmacology, Physiology, and Neuroscience, Rutgers, The State University of NJ, Newark, NJ 07103, USA; (S.K.A.); (M.C.); (S.C.)
| | - Roy N. Alcalay
- Department of Neurology, Columbia University Irving Medical Center, New York, NY 10032, USA; (R.N.A.); (M.S.)
| | - Matthew Surface
- Department of Neurology, Columbia University Irving Medical Center, New York, NY 10032, USA; (R.N.A.); (M.S.)
| | - Robert Ledeen
- Department of Pharmacology, Physiology, and Neuroscience, Rutgers, The State University of NJ, Newark, NJ 07103, USA; (S.K.A.); (M.C.); (S.C.)
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Ranasinghe A, Mehl J, D'Arienzo C, Nabbie F, Chiu C, Thevanayagam L, Srinivasan M, Hogan J, Ponath P, Olah T. Fucosyl monosialoganglioside: Quantitative analysis of specific potential biomarkers of lung cancer in biological matrices using immunocapture extraction/tandem mass spectrometry. Rapid Commun Mass Spectrom 2018; 32:1481-1490. [PMID: 29876976 DOI: 10.1002/rcm.8194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 04/19/2018] [Accepted: 05/29/2018] [Indexed: 06/08/2023]
Abstract
RATIONALE Certain lung cancer patients express elevated Fucosyl Monosialoganglioside (Fuc-GM1) in circulation compared to control groups. Several sensitive methods involving characterization of Fuc-GM1 have been reported. However, a highly specific and sensitive method for quantifying multiple potential Fuc-GM1 biomarkers present in various biological matrices has not been reported to date. METHODS Individual Fuc-GM1 analogs in a commercially obtained standard mixture were characterized using HPLC/UV/MS and high-resolution mass spectrometry (HRMS). Proprietary antibodies, mAb1 and mAb2, were used to selectively capture and pre-concentrate the soluble and drug-bound forms of Fuc-GM1 molecules present in human serum and whole blood, eliminating the background matrix components. Immunocapture extraction (ICE) followed by HPLC/MS/MS was used to quantify specific Fuc-GM1 analogs in biological matrices. RESULTS The concentration of individual Fuc-GM1 analogs in the standard mixture was estimated to be 7-34%, using HPLC/UV/MS. Using the standard mixture spiked into the biological matrices (100 μL), the lower limit of quantification (LLOQ) of each analog was 0.2-0.4 ng/mL with a dynamic range of up to 200 ng/mL. The applicability of the ICE-HPLC/MS/MS method was demonstrated by detecting endogenous Fuc-GM1 analogs present in rat blood and in several lung cancer cell lines. CONCLUSIONS This highly specific and sensitive HPLC/MS/MS method for quantifying individual potential Fuc-GM1 biomarkers in serum and whole blood can play a critical role in patient stratification strategies and during drug treatment. This method can be employed for monitoring both free (soluble) form and antibody drug-bound Fuc-GM1.
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Affiliation(s)
- Asoka Ranasinghe
- Research and Development, Bristol-Myers Squibb Company, Princeton, NJ, 08543, USA
| | - John Mehl
- Research and Development, Bristol-Myers Squibb Company, Princeton, NJ, 08543, USA
| | - Celia D'Arienzo
- Research and Development, Bristol-Myers Squibb Company, Princeton, NJ, 08543, USA
| | - Fizal Nabbie
- Research and Development, Bristol-Myers Squibb Company, Princeton, NJ, 08543, USA
| | - Christopher Chiu
- Research and Development, Bristol-Myers Squibb Company, Princeton, NJ, 08543, USA
| | | | | | - Jason Hogan
- Bristol-Myers Squibb Company, Redwood City, CA, 94063, USA
| | - Paul Ponath
- Bristol-Myers Squibb Company, Redwood City, CA, 94063, USA
| | - Timothy Olah
- Research and Development, Bristol-Myers Squibb Company, Princeton, NJ, 08543, USA
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Sergeeva SS, Zaprianova E, Sotnikov OS, Deleva D, Filchev A, Sultanov B. Antibodies against gangliosides GM1 of patients with multiple sclerosis alter the response of neurons to synaptic activation. Dokl Biol Sci 2005; 399:461-3. [PMID: 15717608 DOI: 10.1007/s10630-005-0012-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- S S Sergeeva
- Pavlov Institute of Physiology, Russian Academy of Sciences, nab. Makarova 6, St. Petersburg, 199034, Russia
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Tanaka M. [Asialo GM1]. Nihon Rinsho 2004; 62 Suppl 12:797-9. [PMID: 15658453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Affiliation(s)
- Masami Tanaka
- Department of Neurology & Clinical Research Center, Nishi-Niigata Chuo National Hospital
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Abstract
BACKGROUND Endogenous and exogenous gangliosides in the plasma affect physiologic and pathologic processes such as angiogenesis and atherogenesis. However, the genetic and environmental factors that regulate the expression of plasma gangliosides are not well known. As shown in the liver and the brain, profiles of gangliosides in the plasma may be strain-specific and can be altered by intake of alcohol. Therefore, we analyzed serum gangliosides derived from inbred mouse strains with and without alcohol treatment. METHODS C57BL/6ByJ (B6By) and BALB/cJ mice (60-70 days old) were injected with 20% alcohol (1-6 g/kg) or saline intraperitoneally, and the ganglioside content of the serum, liver, and cerebellum was measured 4 hr after the injection. Also, the effect of oral alcohol self-administration for 18 days with escalating (3-12%) concentrations of alcohol on the serum GM1 content was studied in B6By mice. The quantification of GM1 was performed with a thin-layer chromatography-staining procedure using a cholera toxin B subunit, and the content of other gangliosides was measured after staining with resorcinol reagent. RESULTS We found that basal GM1 (containing N-glycolylneuraminic acid) content in the serum of BALB/cJ mice (4.8 +/- 0.26 ng/microl) was 25 times higher than that of B6By mice (0.19 +/- 0.01 ng/microl); the major ganglioside in both strains was GM2. The ganglioside profile in the liver was similar to that of the serum, and the GM1 content in BALB/cJ was nine times higher than that of B6By. Both injection and oral self-administration of alcohol lowered GM1 levels in the serum. CONCLUSIONS Endogenous ganglioside profiles in the serum are under genetic control among inbred mouse strains, and they can be altered by acute and chronic alcohol administration. These genetic and alcohol-induced differences in the plasma gangliosides, which appear to reflect ganglioside metabolism in the liver, may affect alcohol-related behaviors and pathologic processes.
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Affiliation(s)
- Mitsuo Saito
- Division of Analytical Psychopharmacology, the Nathan S. Kline Institute for Psychiatric Research, Orangeburg, NY 10962, USA.
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Odaka M, Yuki N, Tatsumoto M, Tateno M, Hirata K. Ataxic Guillain-Barré syndrome associated with anti-GM1b and anti-GalNAc-GD1a antibodies. J Neurol 2004; 251:24-9. [PMID: 14999485 DOI: 10.1007/s00415-004-0259-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2003] [Revised: 07/30/2003] [Accepted: 08/19/2003] [Indexed: 11/26/2022]
Abstract
Ataxic Guillain-Barré syndrome (GBS) associated with anti-GQ1b IgG antibody has been reported. We, however, have had a patient with ataxic GBS who had IgG antibodies to the minor gangliosides GM1b and GalNAc-GD1a, and we therefore retrospectively investigated the clinical features of patients who had antibodies to GM1b or GalNAc-GD1a, but not to GQ1b. Information on patients' antecedent illnesses, initial symptoms, neurological signs, and CSF findings was reviewed in those with ataxic GBS or Fisher syndrome (FS) with anti-GM1b or anti-GalNAc-GD1a IgG antibodies. We tested whether the anti-GM1b and anti-GalNAc-GD1a antibodies are cross-reactive and constructed three-dimensional structural models of GM1b and GalNAc-GD1a. Ataxic GBS was diagnosed in 1 of 65 patients who had both anti-GM1b and anti-GalNAc-GD1a antibodies and in 3 of 159 patients who had anti-GM1b antibody without anti-GalNAc-GD1a antibody: FS was diagnosed in 1 of the 159 patients and in 1 of 35 who had anti-GalNAc-GD1a antibody without anti-GM1b antibody. All the patients' antibodies to GM1b or GalNAc-GD1a were associated with the IgG isotype. The clinical features of patients with ataxic GBS associated with anti-GM1b or anti-GalNAc-GD1a IgG antibodies did not differ from those of patients who had anti-GQ1b IgG antibody. Absorption study findings for serum from the patient who had both anti-GM1b and anti-GalNAc-GD1a IgG antibodies showed significant absorbance of anti-GM1b IgG antibody by GalNAc-GD1a and of anti-GalNAc-GD1a IgG antibody by GM1b, indicating that these antibodies are cross-reactive. This is the first report of ataxic GBS or FS associated with anti-GM1b or anti-GalNAc-GD1a IgG antibodies. These autoantibodies, as well as anti-GQ1b IgG antibody, may function in the development of some patients with ataxic GBS and FS.
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Affiliation(s)
- Masaaki Odaka
- Department of Neurology, Dokkyo University School of Medicine, Kitakobayashi 880, Mibu, Shimotsuga, Tochigi 321-0293, Japan
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Lopez PHH, Villa AM, Sica REP, Nores GA. High affinity as a disease determinant factor in anti-GM(1) antibodies: comparative characterization of experimentally induced vs. disease-associated antibodies. J Neuroimmunol 2002; 128:69-76. [PMID: 12098512 DOI: 10.1016/s0165-5728(02)00139-x] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Elevated titers of serum anti-GM(1) antibodies of IgG isotype are found frequently in patients with Guillain-Barré syndrome. Much evidence indicates that these autoantibodies are involved in disease progression, but their exact function and the mechanism of their appearance are still unclear. In an attempt to reproduce "ganglioside syndrome", the experimental model of neuropathy developed by Nagai et al. (Neurosci. Lett. 2 (1976) 107), rabbits were intensively immunized with GM(1) in complete Freund adjuvant (CFA). High titers of anti-GM(1) antibodies were produced, with class switch and affinity maturation indicating an elaborate immune response. Unexpectedly, the rabbits did not show any clinical symptoms of neuropathy. Relatively affinities of both IgM and IgG antibodies were significantly lower than those of similar antibodies from neuropathy patients. These results suggest the existence of a threshold value above which affinity of anti-GM(1) antibodies becomes an important factor in disease induction. The absence of neuropathy symptoms in rabbits may be explained by absence of these high-affinity anti-GM(1) antibodies.
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Affiliation(s)
- P H H Lopez
- Departamento de Química Biológica "Dr. Ranwel Caputto", Facultad de Ciencias Químicas, Universidad Nacional de Córdoba (UNC) and CIQUIBIC, CONICET, Ciudad Universitaria, 5000, Córdoba, Argentina
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Salzer U, Hinterdorfer P, Hunger U, Borken C, Prohaska R. Ca(++)-dependent vesicle release from erythrocytes involves stomatin-specific lipid rafts, synexin (annexin VII), and sorcin. Blood 2002; 99:2569-77. [PMID: 11895795 DOI: 10.1182/blood.v99.7.2569] [Citation(s) in RCA: 175] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Cytosolic Ca(++) induces the shedding of microvesicles and nanovesicles from erythrocytes. Atomic force microscopy was used to determine the sizes of these vesicles and to resolve the patchy, fine structure of the microvesicle membrane. The vesicles are highly enriched in glycosyl phosphatidylinositol-linked proteins, free of cytoskeletal components, and depleted of the major transmembrane proteins. Both types of vesicles contain 2 as-yet-unrecognized red cell proteins, synexin and sorcin, which translocate from the cytosol to the membrane upon Ca(++) binding. In nanovesicles, synexin and sorcin are the most abundant proteins after hemoglobin. In contrast, the microvesicles are highly enriched in stomatin. The membranes of both microvesicles and nanovesicles contain lipid rafts. Stomatin is the major protein of the microvesicular lipid rafts, whereas synexin and sorcin represent the major proteins of the nanovesicular rafts in the presence of Ca(++). Interestingly, the raft proteins flotillin-1 and flotillin-2 are not found in the vesicles but remain in the red cell membrane. These data indicate the presence of different types of lipid rafts in the erythrocyte membrane with distinct fates after Ca(++) entry. Synexin, which is known to be vital to the process of membrane fusion, is suggested to be a key component in the process of vesicle release from erythrocytes.
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Affiliation(s)
- Ulrich Salzer
- Institute of Medical Biochemistry, Biocenter, University of Vienna, Dr Bohr-Gasse 9/3, A-1030 Vienna, Austria
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Adler G, Pacuszka T, Lewartowska A, Rowinska E, Oblakowski P, Panasiewicz M. Small cell lung cancer is not associated with the presence of anti-fucosyl-GM1 ganglioside autoantibodies reactive in immunoenzymatic test. Lung Cancer 2001; 34:383-5. [PMID: 11714535 DOI: 10.1016/s0169-5002(01)00264-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The characteristic feature of small cell lung cancer carcinoma (SCLC) is the aberrant expression and abundant presentation of fucosyl-GM1 ganglioside (FucGM1). In the present study we searched for the presence of anti-FucGM1 ganglioside, as well as anti-GM1, GM2 and GD3 ganglioside autoantibodies in the sera of patients with SCLC and as a control, in sera of patients with renal cell cancer (RC) and healthy blood donors. The autoantibodies against FucGM1 were present at low titer in only three of 36 SCLC patients, and with similar titer in two of 36 RC patients and four of 36 healthy controls. Likewise, the autoantibodies against GM2 and GM3 gangliosides were found only sporadically and with the same titer and frequency in cancer patients as in healthy persons. Anti-GD3 autoantibodies could not be detected in any of the screened sera.
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Affiliation(s)
- G Adler
- Department of Biochemistry, Medical Center of Postgraduate Education, Marymoncka 99, 01 813 Warsaw, Poland.
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10
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Abstract
OBJECTIVE To develop a rapid assay for the detection and measurement of anti-GM(1) ganglioside antibodies in patients with neuropathy, using a surface plasmon resonance-based biosensor. BACKGROUND Elevated levels of anti-GM(1) ganglioside antibodies are observed in patients with acute and chronic motor neuropathies. Assays for detecting anti-GM(1) antibodies in serum are increasingly being used to help the physician in the evaluation of these patients. METHODS Antigens were immobilized by adsorption of GM(1) (active) and GM(2) (control) gangliosides onto a dextran-based sensor chip which is in contact with a flow cell carrying the sample. Interaction of specific antibodies directed against GM(1) with the ganglioside-coated sensor chip caused a change in refractive index at the surface of the chip, which was detected by an optical sensor, using the phenomenon of surface plasmon resonance. Sera from patients and healthy individuals were analyzed by the new assay and results were compared with those from ELISA. Anti-GM(1) antibody isotype was identified by using a secondary antibody. RESULTS The binding of anti-GM(1) antibodies to the immobilized GM(1) was observed in real time after reference subtraction of the response from GM(2) control. The response was proportional to antibody concentration. The assay exhibited high specificity for sera from patients with multifocal motor neuropathy and Guillain-Barré syndrome with antibodies against GM(1). CONCLUSIONS The surface plasmon resonance biosensor assay offers a rapid system for directly measuring antibody levels in serum without the use of any labels, while comparing favorably with the ELISA system in sensitivity and specificity.
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Affiliation(s)
- A Alaedini
- Department of Neurology, Columbia University, New York, NY 10032, USA.
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Susuki K, Johkura K, Yuki N, Hasegawa O, Kuroiwa Y. Rapid resolution of nerve conduction blocks after plasmapheresis in Guillain-Barré syndrome associated with anti-GM1b IgG antibody. J Neurol 2001; 248:148-50. [PMID: 11284136 DOI: 10.1007/s004150170253] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Abstract
The relative distribution of gangliosides was determined in the serum of 37 patients with multiple sclerosis (MS) and of 30 healthy subjects. There was a significant increase of GM1 and GD1a, and a decrease of GM3 proportion in the serum of relapsing-remitting MS patients (RRMS) during their first MS attack. The RRMS patients in relapse with a long duration of the disease had a significant decrease of GM1 and an increase of GD1a portion in the serum. An increase of GD1a, one of the major brain neuron ganglioside fraction, suggested the neuron injury in the early and with a long duration RRMS. The finding of an increase of GM1, the main human myelin ganglioside, during the first MS attack in RRMS patients confirms previous evidence for the possible involvement of gangliosides in the early pathological course of demyelination in MS.
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Affiliation(s)
- E Zaprianova
- Institute of Experimental Morphology and Anthropology. Bulgarian Academy of Sciences, Sofia
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Heckmann JG, Sommer JB, Druschky A, Erbguth FJ, Steck AJ, Neundörfer B. Acute motor axonal neuropathy associated with IgM anti-GM1 following Mycoplasma pneumoniae infection. Eur Neurol 2000; 41:175-6. [PMID: 10202255 DOI: 10.1159/000008031] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- J G Heckmann
- Department of Neurology, University of Erlangen-Nuremberg, Germany
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Yuki N, Ang CW, Koga M, Jacobs BC, van Doorn PA, Hirata K, van der Meché FG. Clinical features and response to treatment in Guillain-Barré syndrome associated with antibodies to GM1b ganglioside. Ann Neurol 2000; 47:314-21. [PMID: 10716250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
GM1b is a minor ganglioside in human peripheral nerves. Serum anti-GM1b antibodies frequently are present in patients with Guillain-Barré syndrome (GBS). In this collaborative study, we investigated the antecedent infections, clinical features, and response to treatment of GBS patients with anti-GM1b antibodies. Of 132 GBS patients who participated in the Dutch GBS trial that compared the effect of intravenous immunoglobulins and plasma exchange, 25 (19%) patients had anti-GM1b antibodies. IgM antibodies were present in 14, IgG antibodies in 15, and both isotypes in 4 patients. The 25 patients with anti-GM1b antibodies had a clinical pattern distinct from that of the other 107 GBS patients. They more often had an episode of gastrointestinal illness and frequently showed serological evidence of recent infection by Campylobacter jejuni. The anti-GM1b-positive subgroup was marked by more rapidly progressive, more severe, and predominantly distal weakness. Cranial nerve involvement and sensory deficits were less common in the patients with anti-GM1b antibodies. The presence of anti-GM1b antibodies was associated with slower recovery. The clinical manifestations predominantly were associated with anti-GM1b antibodies of the IgG isotype. Fourteen (56%) of the 25 patients with anti-GM1b antibodies also had anti-GM1 antibodies. The group of patients with both antibodies was clinically more homogeneous and had a more rapidly progressive, pure motor neuropathy. The subgroup of anti-GM1b-positive GBS patients responded well to treatment with immunoglobulins but not to plasmapheresis. The distinctive clinical features of the patients with anti-GM1b antibodies show that acute motor neuropathy represents a specific subgroup within GBS and that recognizing these patients may have consequences as to the choice of therapy.
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Affiliation(s)
- N Yuki
- Department of Neurology, Dokkyo University School of Medicine, Shimotsuga, Tochigi, Japan
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Niebroj-Dobosz I, Jamrozik Z, Janik P, Hausmanowa-Petrusewicz I, Kwieciński H. Anti-neural antibodies in serum and cerebrospinal fluid of amyotrophic lateral sclerosis (ALS) patients. Acta Neurol Scand 1999; 100:238-43. [PMID: 10694928 DOI: 10.1111/j.1600-0404.1999.tb00387.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVES An autoimmune basis has been implicated in the pathogenesis of amyotrophic lateral sclerosis (ALS). This hypothesis is supported by the presence of antibodies that interact with motoneuron antigens in serum of these patients. Against autoimmunity are the discrepances in the frequency of the antibodies appearance and also failure of immunosuppression. The aim of our study was to evaluate the titer of antibodies against GM1-gangliosides, AGM1-gangliosides and anti-sulfatides in paired serum and cerebrospinal fluid samples in the ALS patients. MATERIAL AND METHODS Serum of 103 and CSF of 79 patients with ALS was examined. The "disease controls" consisted of 22 cases of other motor neuron diseases and 50 healthy, age-matched normals. CSF was drawn at the same time from 79 ALS patients, 6 cases of the "disease controls" and 50 normals. To study the titer of antibodies against GM1-gangliosides, AGM1-gangliosides and sulfatides the ELISA technique has been applied. RESULTS An increased titer against GM1-gangliosides, AGM1-gangliosides and sulfatides in ALS appeared in serum in 18%, 32%, and 11%, resp., in the "disease controls" the increased antibodies titer appeared in single cases. In CSF the appropriate values in ALS were 20%, 15%, 8%, resp. In the "disease controls" a high antibodies titer was a rare finding. CONCLUSIONS It is concluded that in some ALS cases and also in some patients with other motor neuron diseases an autoimmune mechanism may contribute to motor neuron injury.
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Tanaka M. [Asialo GM1]. Nihon Rinsho 1999; 57 Suppl:827-9. [PMID: 10543248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Affiliation(s)
- M Tanaka
- Department of Neurology, National West Niigata Central Hospital
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Caudie C, Vial C, Petiot P, Bancel J, Later R, Gonnaud PM. [Measurement of antiganglioside autoantibodies by immunodot-blot assay: clinical importance in peripheral neuropathies]. Ann Biol Clin (Paris) 1999; 57:579-88. [PMID: 10518060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
We retrospectively evaluated measurement data and clinical relevance of autoantibodies to gangliosides in peripheral neuropathies (PN). The IgG and IgM antiganglioside autoantibodies were determined by our own immunodot-blot assay on membrane and by enzyme-linked immunosorbent assay (Elisa) in sera of 1,342 patients with peripheral neuropathies. Anti-GM1 and anti-GD1b autoantibodies formed a part of the normal autoantibody repertoire and were common place in 12% of normal subjects and in 14% of disease control groups. Polyclonal IgM antiganglioside autoantibodies were detected in chronic PN, polyclonal IgG antiganglioside autoantibodies were detected in acute PN. Polyclonal IgM anti-GM1 and anti-GD1b autoantibodies were detected in 35 patients out of 48 with treatable multifocal motor neuropathy with persistent conduction blocks. These autoantibodies well discriminated between suspected motor peripheral neuropathies and motor neuron diseases (sensitivity 73%, specificity 83%, positive predictive value 60%, negative predictive value 91%). Monoclonal IgM autoantibodies reacted strongly with gangliosides in 15 patients out of 77 with M-IgM neuropathy (19%). M-IgM autoantibodies differed in their fine specificities with different principal target antigens as demonstrated with cross-reactivity. Such findings provide further evidence for a relationship between neurological syndromes and antiganglioside antibody profiles and also suggest that different gangliosides could be principal target antigens such as GM1, GD1b, GT1b, GD1a or GM2. Polyclonal IgG anti-GM1 and anti-GD1b autoantibodies were detected in 21 patients out of 22 with acute motor axonal Guillain-Barré syndrome with antecedent of infection by Campylobacter jejuni, polyclonal IgG anti-GQ1b autoantibodies in 9 patients out of 10 with Miller-Fisher syndrome. Detection of antiganglioside autoantibodies by immunodot-blot assay which is simple and quick in testing a large panel of gangliosides has become very important in the diagnosis and in the choose of expensive therapeutic strategies in chronic or acute autoimmune neuropathies.
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Affiliation(s)
- C Caudie
- Laboratoire d'immunologie et de neuro-immunologie, Hôpital neurologique et neurochirurgical Pierre-Wertheimer, 59, boulevard Pinel, 69003 Lyon
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Sztajzel R, Kohler A, Reichart M, Djientcheu VP, Chofflon M, Magistris MR. [Brown-Vialetto-Van Laere syndrome: a case with anti-ganglioside GM1 antibodies and literature review]. Rev Neurol (Paris) 1998; 154:51-4. [PMID: 9773026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
We report the case of a woman suffering from progressive bulbopontine paralysis in whose the first symptom, bilateral hypoacousia, began in childhood. This clinical picture is that of the Brown-Vialetto-Van Laere (BVVL) syndrome. Anti-ganglioside GM1 antibodies were moderately elevated in this patient. Intravenous immunoglobulins produced little benefit. The main clinical characteristics of 29 BVVL patients reported in literature are reviewed, and the pathological significance of anti-GM1 antibodies is discussed in the context of this disorder.
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Affiliation(s)
- R Sztajzel
- Unité d'Electroneuromyographie, Hôpitaux Universitaires de Genève, Suisse
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19
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Kusunoki S, Iwamori M, Chiba A, Hitoshi S, Arita M, Kanazawa I. GM1b is a new member of antigen for serum antibody in Guillain-Barré syndrome. Neurology 1996; 47:237-42. [PMID: 8710085 DOI: 10.1212/wnl.47.1.237] [Citation(s) in RCA: 72] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Serum antibody from some patients with Guillain-Barré syndrome recognized an antigen of a minor component in human brain monosialoganglioside fraction. We purified that antigen, which migrated at a position slightly lower than that of GM1 on a thin-layer chromatogram (TLC), by using Iatrobeads column chromatography and preparative TLC. Structural analyses, including fast atom bombardment mass spectrometry, showed it to be GM1b. An enzyme-linked immunosorbent assay (ELISA) using purified GM1b showed that anti-GM1b antibody was present in 22 of 104 cases tested. No anti-GM1b antibody was present in the sera from control patients with other diseases or from the normal controls. Four sera recognized only GM1b among the 11 ganglioside antigens tested. The other 18 sera had antibodies to other antigens, most of which shared no terminal epitope with GM1b. Eight of nine sera samples with anti-GalNAc-GD1a antibody also had anti-GM1b antibody. Antibody to a minor monosialoganglioside, GM1b, was found to be a useful diagnostic marker for Guillain-Barré syndrome. Further study is needed to determine whether this antibody plays a role in the pathogenetic mechanism of the syndrome.
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Affiliation(s)
- S Kusunoki
- Department of Neurology, Faculty of Medicine, University of Tokyo, Japan
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20
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Yokota T, Inaba A, Yuki N, Ichikawa T, Tanaka H, Saito Y, Kanouchi T. The F wave disappears due to impaired excitability of motor neurons or proximal axons in inflammatory demyelinating neuropathies. J Neurol Neurosurg Psychiatry 1996; 60:650-4. [PMID: 8648332 PMCID: PMC1073949 DOI: 10.1136/jnnp.60.6.650] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
OBJECTIVES Investigation of pathophysiology of F wave disappearance in demyelinating neuropathies. METHODS The peripheral motor nerve conduction was studied by motor evoked potential (MEP) on transcranial magnetic stimulation as well as conventional nerve conduction studies before and after the treatment in 26 patients with inflammatory demyelinating neuropathies. In addition, serum antiganglioside antibodies in the acute or active stage were examined. RESULTS The F wave was abolished in 10 patients. Seven of the 10 patients showed motor evoked potentials (MEPs) on transcranial magnetic stimulation that ranged from 1-4 mV. In six of them the F wave reappeared in the recovery stage, but the MEP size did not change. This may be caused by humoral factors, because the F wave reappeared immediately after plasma exchange or intravenous immunoglobulin treatment. A correlation of F wave disappearance with the presence of serum antiganglioside antibodies was found. CONCLUSIONS The major pathophysiology of F wave disappearance in demyelinating neuropathies is impairment of motor neuron excitability or prolonged refractoriness of the most proximal axon for backfiring. The conventional interpretation that absent F waves suggest a conduction block at the proximal site is often inadequate.
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Affiliation(s)
- T Yokota
- Department of Neurology, Tokyo Medical and Dental University, Japan
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21
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Thomas PK, Claus D, Jaspert A, Workman JM, King RH, Larner AJ, Anderson M, Emerson JA, Ferguson IT. Focal upper limb demyelinating neuropathy. Brain 1996; 119 ( Pt 3):765-74. [PMID: 8673489 DOI: 10.1093/brain/119.3.765] [Citation(s) in RCA: 86] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Observations are presented on nine selected patients with chronic upper limb demyelinating neuropathy to illustrate the range of manifestations that may be observed. In three, the involvement was purely motor, in five, mixed motor and sensory and, in one, virtually purely sensory; in seven the symptoms were unilateral and in two bilateral. The presence of reduced nerve conduction velocity and conduction block and the response to treatment in seven of the cases indicate that they represented examples of chronic inflammatory demyelinating polyneuropathy (CIDP) with focal involvement. This was confirmed by nerve biopsy in two cases. The presentation in one patient was accompanied by forearm swelling initially suspected of being a tumour but shown to be due to muscle hypertrophy. This was probably the consequence of recurrent muscle cramps and fasciculation and possibly neuromyotonia. The patient with predominant sensory involvement restricted to the upper limbs demonstrates that sensory CIDP can present focally. In one patient with monomelic motor and sensory involvement, nerve biopsy showed multifocal areas of hypertrophic demyelinating neuropathy distally in the ulnar nerve without inflammatory infiltration. This patient failed to respond to therapy. Response in the others was satisfactory, although one patient with a monomelic motor neuropathy showed a severe deterioration after being given corticosteroids; he subsequently improved with intravenous human immunoglobulin therapy.
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Affiliation(s)
- P K Thomas
- Department of Clinical Neurosciences, Royal Free Hospital School of Medicine, London, UK
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22
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Abstract
Serum antibodies against a series of antigens, including an organ-specific central nervous system (CNS) antigen and the neurotransmitter serotonin, were investigated in 22 patients with Alzheimer's Disease (n=15) and other age-related dementias (n=7) by indirect immunofluorescence assay and enzyme-linked immunosorbent assay. Patients with dementia showed an increase of antibody-positive sera against nuclear antigen, gastric parietal cells, CNS antigen, gangliosides (Gm1), laminin, and keratin. Alzheimer's Disease patients alone exhibited antibodies against CNS antigen. However, the results do not show sufficient specificity and sensitivity for use as a diagnostic indicator.
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Affiliation(s)
- K Schott
- Psychiatrische Universitatsklinik, Tubingen, Germany
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23
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Abstract
Multifocal motor neuropathy (MMN) is associated with serum autoantibodies to gangliosides, but their pathogenic role is uncertain. We have used a novel approach to study the effects of serum and plasma from 8 patients with this syndrome, 6 of whom were anti-GM1 positive. The nerve stimulus required to evoke muscle contraction and endplate potentials (EPPs) was measured in the mouse phrenic nerve-diaphragm preparation during 4 to 6 hours of direct application (plasma at 1:1 or serum 1:2 dilution) and following intraperitoneal injection of plasma (1 ml/day) for 1 to 5 days ("passive transfer"). Direct application of MMN serum or plasma produced a progressive increase in stimulus threshold, followed by complete block of nerve-evoked muscle contraction in 3 cases, and an associated decline to about 50% of the EPP amplitude followed by sudden loss of EPPs. These effects were complement independent. Even with complete block of nerve-evoked EPPs, miniature EPP (MEPP) frequency could be increased by raising external K+ to depolarize the nerve terminal directly. Passive transfer of 1 ml of MMN plasma (n = 5) for 3 days caused similar but less marked changes. These results demonstrate that serum factors in MMN can block nerve conduction at distal motor nerves.
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Affiliation(s)
- M Roberts
- Department of Clinical Neurology, University of Oxford, UK
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24
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Rebbaa A, Portoukalian J. Distribution of exogenously added gangliosides in serum proteins depends on the relative affinity of albumin and lipoproteins. J Lipid Res 1995; 36:564-72. [PMID: 7775868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Gangliosides in normal serum are found only in lipoproteins and the relative content of the three major lipoprotein fractions is low density lipoprotein > high density lipoprotein > very low density lipoprotein (LDL > HDL > VLDL). Upon in vitro incubation of labeled gangliosides with human serum, about 15% of the exogenous gangliosides became associated with the albumin fraction and 85% were distributed on the lipoproteins in the order HDL > LDL > VLDL. To compare the relative affinities of serum proteins for gangliosides, the levels of exchange of exogenous gangliosides between preloaded serum proteins were determined. Although albumin had the highest binding capacity for gangliosides, 85% of the albumin-loaded gangliosides were transferred to the total lipoprotein fraction and this exchange was reversible. The transfer rate from albumin to isolated lipoproteins was higher to LDL (90%) and HDL (85%) whereas only 55% of albumin-loaded gangliosides were transferred to VLDL. The study of exchanges of preloaded gangliosides between isolated lipoproteins showed that the extent of transfer of gangliosides from a given lipoprotein fraction onto other lipoproteins was inversely correlated with its endogenous ganglioside content. Moreover, in the absence of albumin from the incubation medium, the final lipoprotein distribution of remaining exogenous gangliosides was similar to the normal distribution of endogenous gangliosides in serum lipoproteins. The formation of unexchangeable complexes between albumin and micellar exogenous gangliosides could be a possible explanation for the observed differences in the distribution of exogenous and endogenous gangliosides in serum proteins.
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25
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Drivsholm L, Vangsted A, Pallesen T, Hansen M, Dombernowsky P, Hirsch F, Hansen HH. Fucosyl-GM1 in small-cell lung cancer. A comparison with the tumour marker neuron-specific enolase. Ann Oncol 1994; 5:623-6. [PMID: 7993838 DOI: 10.1093/oxfordjournals.annonc.a058934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Recently, the ganglioside Fucosyl-GM1 (FucGM1) has been described as a possible new tumour marker for small-cell lung cancer (SCLC). FucGM1 has been detected in 75% to 90% of SCLC tumours by immunohistochemical analysis and in about 50% of sera from SCLC patients. Neuron-specific enolase (NSE) is a glycolytic enzyme which is expressed in the majority of SCLC tumours and patient sera. PATIENTS AND METHODS Sera from 156 patients with SCLC were analyzed for FucGM1 with a scintillation proximity assay (SPA), which is a simple and sensitive analysis. Sera were analyzed before the initiation of chemotherapy, and twenty patients were monitored during and after treatment. The concentration of FucGM1 was compared to the tumour marker NSE and related to clinical data and survival. RESULTS Sixty-three per cent of the patients were positive for FucGM1. The concentrations did not correlate with NSE or clinical data including stage of disease, organ site of metastases or ABO blood group status. Nor did the expression of FucGM1 correlate with survival. As a monitor of clinical response, a correlation was found in 8 out of 20 patients. Eighty-four per cent of the patients were positive for NSE; and 97% were positive for either FucGM1 or NSE. CONCLUSION We conclude that FucGM1 does not have a clinical role as a tumour marker for patients with SCLC at diagnosis or during treatment.
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Affiliation(s)
- L Drivsholm
- Department of Oncology, Rigshospitalet, Copenhagen, Denmark
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26
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Vangsted A, Drivsholm L, Andersen E, Pallesen T, Zeuthen J, Wallin H. New serum markers for small-cell lung cancer. I. The ganglioside fucosyl-GM1. Cancer Detect Prev 1994; 18:221-229. [PMID: 8076384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The ganglioside fucosyl-GM1 (FucGM1) has been suggested as a marker for small-cell lung cancer (SCLC). Immunohistochemical analyses have shown the expression of the ganglioside in tumors in 75 to 90% of patients with SCLC. We have demonstrated that the ganglioside is shedded from SCLC cells both in vitro and in vivo, and that the antigen can be detected in sera from SCLC patients by an immunochemical analysis. The FucGM1 antigen has recently been shown to act as a target for antibody-dependent cellular cytotoxicity. This may provide a rationale for developing immunotherapy against SCLC. We used an immunoassay based on the scintillation proximity assay to analyze the concentrations of FucGM1 in sera from 112 SCLC patients, 21 patients with non-SCLC, 4 patients with other cancer forms, and 20 healthy controls. Sera were collected at the time of diagnosis before initiation of chemotherapy. The expression of FucGM1 was related to age, sex, blood group of the patient, and to the stage of disease and organ site involvement of metastases. The sera of 50% of the patients with SCLC were positive for FucGM1, and 12 of 21 sera from non-SCLC patients were markedly elevated. In SCLC sera, the concentration of FucGM1 in positive sera ranged from 7 to more than 3000 ng/ml FucGM1. None of 20 controls were positive. FucGM1 correlated to organ site involvement of metastases (p = 0.0016). The ganglioside was detected both at significantly higher concentrations (p = 0.0005) and in significantly more patients (p = 0.0026) with metastases to both the liver and bone marrow, compared to patients with metastases to the liver only.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- A Vangsted
- State University Hospital, Department of Oncology, Copenhagen, Denmark
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27
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Zanardo V, Marchesini L, Kirschner G. Monosialoganglioside GM1 blood levels in maternal and newborn umbilical cord blood at birth. Childs Nerv Syst 1993; 9:467-9. [PMID: 8124674 DOI: 10.1007/bf00393551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Blood levels of the monosialoganglioside GM1 (nomenclature according to Svennerholm) were tested at birth in the umbilical cord of 37 neonates and their mothers. Comparisons were made based on gestational age and modality of delivery. GM1 blood levels at birth were significantly higher in mothers than in newborns (373.66 +/- 56.83 ng/ml vs 217.95 +/- 21.24 ng/ml; P < 0.01). Newborns delivered by cesarean section showed levels of GM1 significantly higher than those delivered vaginally (298.97 +/- 38.55 ng/ml vs 169.62 +/- 12.62 ng/ml; P < 0.01), and preterm newborns had significantly higher levels of GM1 than full-term newborns (253.50 +/- 40.83 ng/ml vs 193.71 +/- 21.74 ng/ml; P < 0.01). No differences in blood levels of GM1 were observed in the mothers in relation to length of pregnancy or modality of delivery. The higher levels of GM1 observed in preterm newborns indicate an increased turnover and/or enhanced bioavailability of the monosialoganglioside GM1 for the developing central nervous system. Further data are required to evaluate the significance of the increased cord levels of GM1 in neonates after cesarean section.
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Affiliation(s)
- V Zanardo
- Department of Pediatrics, University of Padua, Italy
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28
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Abstract
We earlier reported cases of 2 patients with severe acute Guillain-Barré syndrome (GBS) associated with high-IgG anti-GD1a antibody titer. We now have investigated the autoantibody against GD1a or GM1 in 37 GBS patients using the enzyme-linked immunosorbent assay and have found a statistically significant association between IgG anti-GD1a antibody and the severity of the disease (need of a respirator for more than 1 month and a poor functional prognosis 3 months after neurologic onset). An autopsy which showed severe GBS associated with IgG anti-GD1a antibody produced the following findings: (1) severe axonal degeneration and segmental demyelination of peripheral nerves; (2) lymphocytic infiltration; and (3) marked central chromatolysis of the lower motoneurons.
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Affiliation(s)
- N Yuki
- Department of Neurology, Niigata University, Japan
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29
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Dumontet C, Rebbaa A, Portoukalian J. Kinetics and organ distribution of [14C]-sialic acid-GM3 and [3H]-sphingosine-GM1 after intravenous injection in rats. Biochem Biophys Res Commun 1992; 189:1410-6. [PMID: 1482356 DOI: 10.1016/0006-291x(92)90231-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Serum kinetics and organ distribution of [14C]-sialic acid-GM3 and [3H]-sphingosine-GM1, administered as an intravenous bolus, were analysed in Wistar rats. [3H]-GM1 and [14C]-GM3 had serum half-lives of 1.4 hours and 1.8 hours, respectively. Three hours after injection 75% of the GM1- and 38% of the GM3-associated label were present in the liver. Smaller yet significant amounts of label were present in the central nervous system, kidneys and lung. In vitro studies showed that [14C]-GM3 and [3H]-GM1 incubated with serum were predominantly bound to the High Density Lipoprotein and the Low Density Lipoprotein fractions. These results suggest a rapid serum clearance of exogenous gangliosides by the liver in rats.
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Affiliation(s)
- C Dumontet
- Unité INSERM 218, Centre Léon Bérard, Lyon, France
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30
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Pallesen T, Vangsted A, Drivsholm L, Clausen H, Zeuthen J, Wallin H. Serum immunoassay of a small cell lung cancer associated ganglioside: development of a sensitive scintillation proximity assay. Glycoconj J 1992; 9:331-5. [PMID: 1339041 DOI: 10.1007/bf00731094] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
We here report an enzyme linked immunosorbent assay (ELISA) and a scintillation proximity assay (SPA) for detection of the ganglioside FucGM1 in sera from small cell lung cancer (SCLC) patients. The SPA was more sensitive and reproducible than the ELISA. In this assay, monoclonal antibodies specific for FucGM1 were bound to SPA particles and incubated with labelled FucGM1 and 100 microliters test-serum overnight, and counted in a beta-counter. The sensitivity was 0.2 ng. Seven out of twenty sera from SCLC patients were positive, whereas none of twenty sera from healthy individuals were positive for FucGM1. The SPA was more sensitive than the previously reported HPTLC as well as a direct ELISA.
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Affiliation(s)
- T Pallesen
- Fibiger Institute, Department of Tumor Cell Biology, Copenhagen, Denmark
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31
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Abstract
The disposition of labelled [3H]GM1lactone, the inner ester of ganglioside GM1, was studied in the rat. After i.v. administration [3H]GM1lactone was quickly converted to its corresponding open form most likely by plasma esterases, and then displayed a pharmacokinetic profile identical to [3H]GM1. Following intramuscular administration of [3H]GM1lactone [3H]GM1 levels in plasma and in tissues were higher than those obtained after the administration of an equivalent dose of [3H]GM1. This increased bioavailability means that GM1lactone can be considered as a potential prodrug of GM1.
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Affiliation(s)
- P Bellato
- Fidia Research Laboratories, Abano Terme, Italy
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32
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Kirschner G, Bassan M, Facco MP, Ferrari G, Callegaro L. Competitive binding assay for quantitative determination of GM1 ganglioside in plasma and cerebrospinal fluid. J Pharm Biomed Anal 1992; 10:163-6. [PMID: 1391096 DOI: 10.1016/0731-7085(92)80024-h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A competitive binding assay for the quantitative determination of GM1 ganglioside is described. After extraction from biological fluids, GM1 was incubated with a known amount of cholera toxin B-subunit conjugated with horseradish peroxidase, and exposed to GM1 adsorbed onto polystyrene microwells. Since GM1 in solution blocks the binding of toxin B-subunit to GM1 adsorbed onto the solid phase, enzyme activity serves as a reciprocal measure of GM1 concentration in the sample. The assay was used to determine the basal level of GM1 in plasma and cerebrospinal fluid in different populations.
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Affiliation(s)
- G Kirschner
- Fidia Research Laboratories, Abano Terme, Italy
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Vangsted AJ, Clausen H, Kjeldsen TB, White T, Sweeney B, Hakomori S, Drivsholm L, Zeuthen J. Immunochemical detection of a small cell lung cancer-associated ganglioside (FucGM1) antigen in serum. Cancer Res 1991; 51:2879-84. [PMID: 1851663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Recently, the ganglioside FucGM1 (Fuc alpha 1-2Gal beta 1-3GalNAc beta 1-4[NeuAc alpha 2-3]-Gal beta 1-4Glc beta 1-1 Cer) was identified as a small cell lung cancer (SCLC) marker both in chemical and histochemical studies. In order to further determine whether the FucGM1 ganglioside is shed from the tumor site and consequently is present in the serum of SCLC patients, we produced a series of new monoclonal antibodies raised against FucGM1 and related glycolipids. Shedding of the FucGM1 ganglioside was studied both in vitro and in vivo using SCLC cell lines and nude mice xenografts of SCLC cells as model systems, and finally immunochemical analyses were performed on serum samples from patients with SCLC. High-performance thin-layer chromatography immunostaining demonstrated the presence of FucGM1 in conditioned culture media obtained from FucGM1-positive SCLC cell lines. Furthermore, tumor extracts of SCLC cell line xenografts in nude mice were positive for the FucGM1 marker, and more importantly the marker was also present in serum samples from these mice. Twenty serum samples were obtained from patients with histologically verified SCLC. Eight patients had localized disease, and the remaining patients had disseminated cancer involving metastases to other organ sites. Sera from 4 of these patients were clearly positive, and 2 additional cases were found to be weakly positive. The positive patient sera were all from patients with extensive disease. Sera from 12 patients with non-SCLC and 20 healthy individuals were all found to be negative. These results clearly establish the FucGM1 glycolipid as a potential serum marker of SCLC for which a sensitive immunoassay should be developed and tested using a larger series of serum samples.
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Affiliation(s)
- A J Vangsted
- Department of Tumor Cell Biology, Fibiger Institute, Danish Cancer Society, Copenhagen, Denmark
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Allen TM, Hansen C, Rutledge J. Liposomes with prolonged circulation times: factors affecting uptake by reticuloendothelial and other tissues. Biochim Biophys Acta 1989; 981:27-35. [PMID: 2719971 DOI: 10.1016/0005-2736(89)90078-3] [Citation(s) in RCA: 330] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Many of the applications of liposomes drug-delivery systems have been limited by their short circulation half-lives as a result of rapid uptake into the reticuloendothelial (mononuclear phagocyte) system. We have recently described liposomes formulations with long circulation half-lives in mice (Allen, T.M. and Chonn, A. (1987) FEBS Lett. 223, 42-46). A study of the principal factors important to the attainment of liposomes with prolonged circulation half-lives is presented in this manuscript. Liposomes with the longest circulation half-lives, in mice, had compositions which mimicked the outer leaflet of red blood cell membranes (egg phosphatidylcholine/sphingomyelin/cholesterol/ganglioside GM1, molar ratio 1:1:1:0.14). Several other gangliosides and glycolipids were examined, but none could substitute for GM1 in their ability to prolong circulation half-lives. However, other negatively charged lipids with bulky headgroups, i.e., sulfatides and phosphatidylinositol, had some effect in prolonging circulation half-lives, but GM1 was clearly superior in this regard. Bilayer rigidity, imparted by sphingomyelin or other high-phase-transition lipids, acted synergistically with the negatively charged components, especially GM1, in extending circulation times. Circulation half-lives of liposomes increased with decreasing size, but even larger (0.2-0.4 microns) liposomes of the optimum formulations had significantly prolonged half-lives in circulation. Uptake of liposomes into tissues other than liver and spleen increased with increasing circulation times of the liposomes for i.v. and for i.p. injections. Liposomes appeared to move from the circulation into the carcass between 6 and 24 h post-injection. Our ability to achieve significant prolongation in circulation times of liposomes makes possible a number of therapeutic applications of liposomes which, until now, have not been achievable.
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Affiliation(s)
- T M Allen
- Pharmacology Department, University of Alberta, Edmonton, Canada
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35
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Suzuki Y, Hirabayashi Y, Sagami F, Matsumoto M. Gangliosides in the blood plasma: levels of ganglio-series gangliosides in the plasma after administration of brain gangliosides. Biochim Biophys Acta 1988; 962:277-81. [PMID: 3048415 DOI: 10.1016/0005-2760(88)90257-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The temporal change in the levels of the gangliotetraose-series gangliosides, i.e., GMla, GDla, GD1b, GT1b, in the blood plasma after intramuscular administration of bovine brain gangliosides (5 mg/kg) to beagle dogs (11.3-12.2 kg) was determined with high sensitivity by a recently developed thin-layer chromatography/enzyme-immunostaining method (Hirabayashi, Y., Koketsu, K., Higashi, H., Suzuki, Y., Matsumoto, M., Sugimoto, M. and Ogawa, T. (1986) Biochim. Biophys. Acta 876, 178-182). The amounts of GMla, GDla, GD1b, GT1b and their combined total in the plasma of beagle dogs before administration of gangliosides were 21 +/- 1, 36 +/- 7, 15 +/- 2, 16 +/- 2 and 88 +/- 6 pmol/ml of blood plasma, respectively. Trapezoidal calculation showed that the times of the maximum levels of GMla, GDla, GDlb, GTlb and the total of the their levels in the plasma were 8.0 +/- 1.2, 8.7 +/- 0.7, 6.3 +/- 2.0, 17.0 +/- 7.0 and 8.7 +/- 0.7 h after the administration of gangliosides, and their maximum concentrations were 517 +/- 37, 654 +/- 53, 160 +/- 5, 184 +/- 20 and 1383 +/- 74 pmol/ml, respectively. The maximum level of each ganglioside decreased gradually, reaching the normal level after 10 days. The half-maximum level of each ganglioside occurred 2-3 days after the administration. Asialo GM1 (GA1) was not detected plasma at any of the test times.
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Affiliation(s)
- Y Suzuki
- Department of Biochemistry, University of Shizuoka, School of Pharmaceutical Science, Japan
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36
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Abstract
An abnormal circulating ganglioside was found in patients with neuroblastoma. This ganglioside appeared as a single band by resorcinol-HCl staining of thin-layer chromatograms of purified total gangliosides isolated from as little as 1 ml of patient plasma. It is a major ganglioside of neuroblastoma tumour tissue and was present (250-1500 pmol lipid-bound sialic acid/ml) in the plasma of five patients with widespread neuroblastoma. In contrast, the ganglioside was not detected (less than 50 pmol/ml) in plasma samples of six patients in complete remission, nor in plasma samples of seventeen healthy children and adults. Measurement of this circulating tumour-associated ganglioside should be clinically useful in neuroblastoma, offering a new approach to the detection of tumour and the evaluation of therapy.
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Iwamori M, Shimomura J, Tsuyuhara S, Mogi M, Ishizaki S, Nagai Y. Differential reactivities of fucosyl GM1 and GM1 gangliosides on rat erythrocyte membrane revealed by analysis with anti-fucosyl GM1 and GM1 antisera. J Biochem 1983; 94:1-10. [PMID: 6619101 DOI: 10.1093/oxfordjournals.jbchem.a134316] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Rat erythrocytes contained ganglio-series gangliosides, GM1, fucosyl GM1, and GD1a, in a high concentration. The concentrations of GM1, fucosyl GM1, and GD1a in rat erythrocyte ghosts were 889.0 nmol, 470.6 nmol, and 462.0 nmol per g dry weight, respectively, and the molar ratio of lipid-bound sialic acid, cholesterol and lipid-bound phosphorus was 3.1:73.9:100.0. The reactions of fucosyl GM1 and GM1 on rat erythrocytes with rabbit anti-fucosyl GM1 and anti-GM1 antisera were measured by means of haemolysis in the presence of complement and a binding assay of antibodies with a FACS after staining erythrocytes by the indirect membrane immunofluorescence technique. When measured by ELISA, anti-fucosyl GM1 antiserum was found to react almost exclusively with fucosyl GM1 with a slight cross-reaction with GM1, but anti-GM1 antiserum cross-reacted to a significant extent with asialo GM1. Rat erythrocytes were haemolyzed specifically with anti-fucosyl GM1 antiserum, but not with antisera to GM1, asialo GM1, asialo GM2, Forssman and globoside, and the haemolysis was proved to be definitely caused by the specific recognition of fucosyl GM1 on rat erythrocytes by anti-fucosyl GM1 antibody according to the haemolysis inhibition reaction using various glycosphingolipid-containing liposomes as inhibitors. In addition, although the binding of anti-fucosyl GM1 antibody on rat erythrocytes was clearly demonstrated with a FACS, anti-GM1 antibody did not bind. The observations that the haemolysis of rat erythrocytes and the binding of antibody to rat erythrocytes were found only with anti-fucosyl GM1 antiserum, and not with anti-GM1 antiserum, but that nevertheless the titer of anti-GM1 antiserum was higher than that of anti-fucosyl GM1 antiserum and GM1 on rat erythrocytes was more abundant in concentration than fucosyl GM1, seem to be a matter of great importance in assessing the specificity of anti-ganglioside antibody and the surface distribution of gangliosides on the cell.
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Ponet D, Saint-Jacques I, Boissière H. [Landing's disease or generalized GM1 gangliosidosis type I. Apropos of 2 cases in siblings]. Ann Pediatr (Paris) 1982; 29:691-700. [PMID: 6818886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Ackerman GA, Wolken KW, Gelder FB. Surface distribution of monosialoganglioside GM1 on human blood cells and the effect of exogenous GM1 and neuraminidase on cholera toxin surface labeling. A quantitative immunocytochemical study. J Histochem Cytochem 1980; 28:1100-12. [PMID: 6775025 DOI: 10.1177/28.10.6775025] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The cholera toxin-colloidal gold-labeled IgG-F(ab')2 anticholera toxin ultrastructural immunocytochemical procedure was used for the localization of GM1 monosialoganglioside on the surface of human blood cells. The number of gold particles per micron of cell surface was counted and the data subjected to statistical analysis. Cholera toxin (CT) binding characteristics assessed in several subjects showed consistent labeling patterns for the various hemic cells, although some quantitative differences were noted in surface labeling densities between subjects. Neutrophils were invariably the most heavily labeled of the hemic cells, while lymphocytes, erythrocytes, and platelets exhibited only limited CT labeling. Exposure of hemic cells to neuraminidase induced a major increase in surface CT labeling that proved to be directly related to cell type and differed in many respects with the CT labeling pattern noted in nonenzyme treated cells. Newly exposed CT binding sites attributed to "masked" GM1 and/or to neuraminidase-transformed GD1a or GT1 gangliosides, showed that the number of new binding sites were nearly twice as abundant on platelet and monocyte sufaces as on the surfaces of neutrophil, lymphocyte, and erythrocyte populations. However, ratios of new CT binding sites to those normally available for CT binding were approximately 10:1 for erythrocytes, approximately 3--7:1 for lymphocytes, monocytes, and platelets, and approximately 1:1 for the neutrophil group. Exogenous GM1 was incorporated into the cell surface of the hemic cells in a differential manner. Platelets showed a dramatic increase in surface CT labeling, viz. approximately 12- to 20-fold, compared to that of other hemic cells; however, neutrophil and erythrocyte GM1 uptake was limited. Our studies have demonstrated that distinct differences exist in the extent of surface CT labeling of the various types of blood cells. They further indicated that the ability of the cell surface to incorporate exogenous GM1 may represent a differential expression of the physiochemical properties of the surface of the individual cell types.
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Orlando P, Cocciante G, Ippolito G, Massari P, Roberti S, Tettamanti G. The fate of tritium labeled GM1 ganglioside injected in mice. Pharmacol Res Commun 1979; 11:759-73. [PMID: 531082 DOI: 10.1016/s0031-6989(79)80047-8] [Citation(s) in RCA: 70] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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