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Lew VL, Macdonald L, Ginsburg H, Krugliak M, Tiffert T. Excess haemoglobin digestion by malaria parasites: a strategy to prevent premature host cell lysis. Blood Cells Mol Dis 2004; 32:353-9. [PMID: 15121091 DOI: 10.1016/j.bcmd.2004.01.006] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2004] [Indexed: 10/26/2022]
Abstract
To understand the osmotic stability of a Plasmodium falciparum-infected red blood cell, whose membrane permeability becomes highly increased during parasite growth, we developed an integrated mathematical model of the homeostasis of an infected red cell. The model encoded the known time courses of red cell membrane permeabilisation and of haemoglobin digestion, as well as alternative options for parasite volume growth. Model simulations revealed that excess haemoglobin digestion, by reducing the colloid-osmotic pressure within the host red cell, is essential to preserve the osmotic stability of the infected cell for the duration of the parasite asexual cycle. We present here experimental tests of the model predictions and discuss the available evidence in the context of the interpretations provided by the model.
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Henderson KW, Kennedy AR, Macdonald L, MacDougall DJ. Rational design of molecular sheets composed of interconnecting eight- and twenty-four-membered rings: use of lithiated aggregates to control network assembly. Inorg Chem 2003; 42:2839-41. [PMID: 12716174 DOI: 10.1021/ic034115q] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The lithiated (organo)sulfonylacetonitrile complex [MeSO(2)CHCNLi.THF] (3) has been prepared and structurally characterized in order to demonstrate that well-known molecular aggregates of s-block metals may be used as building blocks in the controlled assembly of complex supramolecular architectures. The solid state structure of 3 can be described as a novel basket-weaved, 2-D network, composed of (SO(2)Li)(2) "dimeric" rings joined via "interdimer" donation of nitrile units.
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Arumugam PJ, Bevan L, Macdonald L, Watkins AJ, Morgan AR, Beynon J, Carr ND. A prospective audit of stomas--analysis of risk factors and complications and their management. Colorectal Dis 2003; 5:49-52. [PMID: 12780927 DOI: 10.1046/j.1463-1318.2003.00403.x] [Citation(s) in RCA: 265] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AIM To prospectively audit stomas and to determine the nature and rate of complications and their relationship with various risk factors and their management. MATERIALS AND METHODS The study was performed prospectively on 97 consecutive patients who had stomas formed between January 2000 to August 2000. Patients were followed up for one year. Risk factors including age, body mass index (BMI), preoperative siting, contour of the abdominal wall, smoking, grade of operating surgeon, emergency or elective procedure, diabetes, type of stoma and suture material used were noted. The type of surgery, and indications for surgery were also recorded. The complications were documented by two qualified stoma nurses and a photographic record taken. Statistical analysis comprising both univariate and multivariate methods, was performed by SPSS 10. RESULTS The mean age was 65 years (standard deviation 16.01, range 16-99) and mean body mass index was 24.5 (standard deviation 4.66, range 15-37). Forty-nine of 97 (50.5%) stomas developed one or more complications. Twenty-three patients experienced retraction, 18 had stomas sited in a skin crease, 16 had early and 12 had late skin excoriation, 12 had detachments and a further 12 had parastomal hernia. Eleven further stoma complications were noted including prolapse, necrosis, ischaemia and sloughing. None of the risk factors achieved statistical significance when analysed against the overall complication rate. However, when the risk factors were analysed against individual complications using univariate logistic regression, a high body mass index was associated with more retractions (P = 0.003), early skin excoriation (P = 0.036) and poor siting (stoma in crease) occurred more commonly in emergencies (P = 0.022). Diabetes was associated with late skin excoriation (P = 0.02). Multivariate logistic regressions confirmed an independent association of body mass index, diabetes and emergency surgery with complications. Forty-five of 49 patients who had complications needed some conservative management such as a convexity appliance. Four patients needed refashioning. CONCLUSION Body mass index, diabetes and emergency surgery were the significant risk factors identified in our study. Overall complications compare favourably with other series. We found that preoperative siting by stoma nurses and the grade of operating surgeon did not affect the outcome.
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Whittle H, Macdonald L, Tremblay D. Learning to let go: the client at the Centre of Restraint Reduction. PERSPECTIVES (GERONTOLOGICAL NURSING ASSOCIATION (CANADA)) 2002; 24:2-6. [PMID: 12026331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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Tzamaloukas AH, Murata GH, Hill JE, Leger A, Macdonald L, Baron S, Hoffman RM. Disagreement between height/weight classifications of underweight, normal weight, and obesity in peritoneal dialysis patients. ADVANCES IN PERITONEAL DIALYSIS. CONFERENCE ON PERITONEAL DIALYSIS 2002; 17:75-9. [PMID: 11510302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
Peritoneal dialysis (PD) patients are classified as underweight, normal weight, or obese by height/weight indices including body mass index (BMI) and the body weight/desired weight (W/DW) ratio. We compared these classifications of degree of obesity in 378 women and 555 men on PD. We used these cut-off values: for underweight, BMI < or = 18.5 and W/DW < or = 0.9; for obesity, BMI > or = 30.0 and W/DW > or = 1.2. The W/DW values were calculated assuming first a small frame, then a medium frame, and finally a large frame for all subjects. Regardless of sex or skeletal frame, BMI correlated highly with W/DW (r value between 0.98 and 0.99); however, the range of BMI values corresponding by linear regression to the normal range of W/DW (0.9-1.2) was narrower than the range of "normal" BMI (18.5-30.0). Consequently, regardless of sex or skeletal frame, smaller fractions of the patient population were classified as underweight or obese by BMI standards than by W/DW standards. The degree of agreement of the classifications of subjects as underweight, normal weight, or obese by BMI and W/DW was evaluated by Cohen's kappa ratio. The kappa ratio varied between 0.47 and 0.58, indicating a reasonable--but not high--degree of agreement beyond chance. The highest kappa ratios were obtained assuming a medium skeletal frame for both women and men. Substantial discrepancies are observed in the classification of PD patients as underweight, normal weight, or obese by BMI and W/DW. Further research is needed to identify the height/weight index that has the strongest association both with clinical outcomes and with other, more precise measurements of body fat content.
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Vu D, Macdonald L. Antitubercular drugs (isoniazid, rifampin and pyrazinamide): hepatobiliary reactions. CMAJ 2001; 165:942-3, 946-7. [PMID: 11599338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023] Open
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Sutcliffe H, Macdonald L. Adverse drug reaction reporting--2000: Part 2. CMAJ 2001; 165:83, 87. [PMID: 11468964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023] Open
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Macdonald L. New influenza drugs zanamivir (Relenza) and oseltamivir (Tamiflu): unexpected serious reactions. CMAJ 2000; 163:879-81, 883-5. [PMID: 11033723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
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Mansur DB, Hekmatpanah J, Wollman R, Macdonald L, Nicholas K, Beckmann E, Mundt AJ. Low grade gliomas treated with adjuvant radiation therapy in the modern imaging era. Am J Clin Oncol 2000; 23:222-6. [PMID: 10857881 DOI: 10.1097/00000421-200006000-00002] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The purpose of this study is to evaluate tumor control and failure patterns in patients with low grade gliomas treated with surgery and conventional adjuvant radiation therapy. Twenty-eight patients with low grade gliomas (7 grade I, 21 grade II) were retrospectively evaluated. Extent of resection was gross total (3), subtotal (17), and biopsy alone (8). All grade I tumors underwent subtotal resection. Median radiation therapy dose was 54 Gy delivered to localized fields. Tumor control and patterns of failure were determined from follow-up computed tomography and/or magnetic resonance scans. Median follow-up was 86 months (range, 2.4-177 months). Thirteen patients (46%) (four grade I, nine grade II) developed tumor progression. The 5-year actuarial progression-free survival rates for grade I and grade II patients were 86% and 51%, respectively. Corresponding 5-year actuarial survival rates were 100% and 70%. All recurrences were within the treated volume. Our results reveal that conventional adjuvant radiation therapy is associated with high rates of local tumor progression in both grade II and incompletely resected grade I low grade gliomas. Alternative strategies need to be explored in these patients in an effort to improve tumor control and outcome.
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Snow BJ, Macdonald L, Mcauley D, Wallis W. The effect of amantadine on levodopa-induced dyskinesias in Parkinson's disease: a double-blind, placebo-controlled study. Clin Neuropharmacol 2000; 23:82-5. [PMID: 10803797 DOI: 10.1097/00002826-200003000-00004] [Citation(s) in RCA: 125] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
We performed a double-blind, placebo-controlled, crossover study to assess the effect of amantadine versus placebo on levodopa-induced dyskinesias in Parkinson's disease. We found a 24% reduction in the total dyskinesia score after amantadine administration (p = 0.004). This improvement was achieved without any influence on the severity of "on" period parkinsonism. The results confirm that amantadine reduces levodopa dyskinesias and support the hypothesis that dyskinesias can be reduced by blockade of excitatory pathways in the basal ganglia.
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Elliott SL, Pye S, Le T, Mateo L, Cox J, Macdonald L, Scalzo AA, Forbes CA, Suhrbier A. Peptide based cytotoxic T-cell vaccines; delivery of multiple epitopes, help, memory and problems. Vaccine 1999; 17:2009-19. [PMID: 10217601 DOI: 10.1016/s0264-410x(98)00468-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Synthetic CD8+ cytotoxic T-lymphocyte (CTL) peptide epitope based vaccines are being developed against a number of human diseases. Here we describe extensive preclinical testing of peptide epitope vaccines formulated with a protein as a source of CD4 help and Montanide ISA 720, an adjuvant currently in human clinical trials. Such water-in-oil formulations could effectively co-deliver several peptide epitopes and simultaneously induce multiple independent CTL responses. The efficiency of CTL induction by some peptides was, however, dependent on the aqueous buffer conditions, with poor performance correlating with non-covalent peptide oligomerisation. Any of a number of proteins currently used in human vaccines could supply CD4 help and no difference in CTL induction was obtained if the CD4 response was amnestic or a primary. Peptide immunisation was found to induce long term CTL memory and the recall of protective responses did not depend on an amnestic CD4 response. Slow pyroglutamic acid formation and rapid oxidation of methionine residues was observed in water-in-oil formulations, however, the latter had no effect on CTL induction. These data highlight the need to monitor for potential deleterious chemical events and interpeptide interactions, but illustrate that peptide based vaccination can effectively deliver multiple epitopes, in conjunction with any protein, and induce protective memory.
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Macdonald L. Discontinuation reactions associated with SSRIs. CMAJ 1998; 159:846-7; 850-2. [PMID: 9805037 PMCID: PMC1243875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
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Morrison M, Peel R, Macdonald L, Stolarek I. Is Barium Enema Distressing for the Elderly? -A Prospective Survey. Age Ageing 1998. [DOI: 10.1093/ageing/27.suppl_2.28-b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Hunter A, Donaldson C, Macdonald L. Programme Budgeting and Marginal Analysis of the Highland Physiotherapy Service. Physiotherapy 1997. [DOI: 10.1016/s0031-9406(05)65760-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Sima B, Macdonald L, Marton LS, Weir B, Zhang J. Effect of P2-purinoceptor antagonists on hemolysate-induced and adenosine 5'-triphosphate-induced contractions of dog basilar artery in vitro. Neurosurgery 1996; 39:815-21; discussion 821-2. [PMID: 8880777 DOI: 10.1097/00006123-199610000-00034] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
OBJECTIVE To test the hypothesis that the vasoactive effects of hemolysate of dog erythrocytes on dog basilar artery in vitro are caused by adenosine 5'-triphosphate (ATP). METHODS Dog erythrocyte hemolysate was assayed for ATP by high-pressure liquid chromatography. Dog basilar arteries were cut into rings and studied under isometric tension to determine the effects of the P2-purinoceptor antagonists suramin, pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid, and reactive blue 2 on contractions induced by hemolysate, prostaglandin F2 alpha (PGF2 alpha), KCl, uridine 5'-triphosphate, and ATP. RESULTS Dog erythrocyte hemolysate contained 34 mumol/L of ATP. Hemolysate produced concentration-dependent contractions of dog basilar artery. Suramin (100 mumol/L) significantly inhibited contractions to hemolysate, ATP, and uridine 5'-triphosphate but not to PGF2 alpha and KCl (P < 0.05). Pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid (100 mumol/L) caused a small but significant reduction of the contractions to hemolysate and did not affect contractions to PGF2 alpha and KCl. Reactive blue 2 (30 mumol/L) produced significant inhibition of contractions to hemolysate and PGF2 alpha but did not affect contractions to KCl. CONCLUSION These findings suggest that ATP mediates a smooth muscle contractile response of hemolysate on dog basilar artery. Because erythrocyte cytosol is known to be important in the pathogenesis of vasospasm, these results suggest that ATP may contribute to the vasoconstriction that occurs in vasospasm.
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Abstract
A cross sectional epidemiological study was carried out to investigate the validity of persistent nocturnal cough (PNC) as an independent marker of childhood asthma. A screening questionnaire on respiratory symptoms was applied to 4003 children attending primary schools in Aberdeen, after which 799 symptomatic children and a random selection of 229 asymptomatic children were invited to attend for a diagnostic interview. Six hundred and seven (359 boys and 248 girls) symptomatic children and 135 asymptomatic children (57 boys and 78 girls) were selected from the screening questionnaires. Of 607 children with respiratory symptoms when interviewed, 27 (nine boys and 18 girls) had isolated PNC, and 97 (51 boys and 46 girls) had multiple symptoms (polysymptomatic asthma). The incidence of prematurity was highest in the group with PNC (19%). The prevalence of hay fever in children with PNC (11%) was similar to that of the asymptomatic group (15%) and less than that in the group with polysymptomatic asthma (41%). Eczema was twice as common in the PNC (19%) as in the asymptomatic children (10%) but only half as common in the polysymptomatic asthma group (35%). The prevalence of a parental history of hay fever was similar in all three groups. The prevalence of a parental history of eczema was similar in the PNC (7%) and asymptomatic (7%) groups but higher in the polysymptomatic asthma group (22%). The prevalence of a history of parental asthma was 30% in children with PNC, 13% in the asymptomatic group, and 42% in those with polysymptomatic asthma. The parents of three (11%) children with PNC were aware of a diagnosis of asthma; two of these children (7%) were on inhaled bronchodilator treatment and one (4%) was on a slow release theophylline preparation. Using a stepwise discriminant analysis procedure, in 18 (67%) children with PNC predicted membership was in the asymptomatic group and only nine (33%) children with PNC were grouped into the polysymptomatic asthma category. It is concluded that the clinical features of children with PNC resembled those of the asymptomatic population more closely than those of the polysymptomatic asthmatic population. In this age group PNC, in the absence of wheeze, shortness of breath or tightness in the chest, is likely to be a manifestation of atypical or hidden asthma in only a minority of cases.
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Purdie DW, Empson JA, Crichton C, Macdonald L. Hormone replacement therapy, sleep quality and psychological wellbeing. BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY 1995; 102:735-9. [PMID: 7547766 DOI: 10.1111/j.1471-0528.1995.tb11433.x] [Citation(s) in RCA: 91] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
OBJECTIVE To examine the effect of hormone replacement therapy upon sleep quality and duration in postmenopausal women. DESIGN Randomised, single-blind, placebo-controlled trial. SETTING Sleep research laboratory. SUBJECTS Thirty-three healthy postmenopausal women. INTERVENTIONS Continuous 0.625 mg conjugated equine oestrogens with 0.15 mg cyclic norgestrel taken for 12 days per 28 day cycle. MAIN OUTCOME MEASURES Occurrence of vasomotor symptoms, polysomnographic sleep stage measures, Stanford sleepiness questionnaire, Crown-Crisp experiential index and the cognitive failures questionnaire. RESULTS Hormone replacement therapy results in an improvement in menopausal symptoms but not in parameters of sleep quality. Despite this, certain measures of psychological wellbeing showed significant improvement in the hormone replacement therapy group. CONCLUSION Hormone replacement therapy results in a measurable improvement in physical and psychological welfare, the latter being independent of improvement in sleep quality.
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Macdonald L, Perkins P, Pickering R. Effect of the moon on general practitioner's on call work load. J Epidemiol Community Health 1994; 48:323-4. [PMID: 8051536 PMCID: PMC1059968 DOI: 10.1136/jech.48.3.323] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Poskitt DC, Jean-Francois MJ, Turnbull S, Macdonald L, Yasmeen D. Internal image (Ab2 beta) anti-idiotype vaccines. Theoretical and practical aspects. Vaccine 1991; 9:792-6. [PMID: 1759502 DOI: 10.1016/0264-410x(91)90215-r] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Anti-idiotype antibodies that carry an internal image of an antigen epitope (Ab2 beta antibodies) can be used in vaccine preparations to favourably manipulate the immune network. These vaccines have been shown to induce protective immunity in animals that have not been intentionally exposed to the native antigen epitope. This review attempts to define certain theoretical and practical aspects of immunological network manipulations and their relevance to Ab2 beta internal image anti-idiotype antibody vaccine design.
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Poskitt DC, Turnbull S, Macdonald L, Jean-François MJ, Yasmeen D. The immune response to anti-idiotype antibodies bearing an internal image epitope of tetanus toxin/toxoid. I. Induction of the humoral immune response. INTERNATIONAL ARCHIVES OF ALLERGY AND APPLIED IMMUNOLOGY 1991; 95:109-21. [PMID: 1937913 DOI: 10.1159/000235414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Primary immune responses to tetanus toxoid (TT) and primary and secondary immune responses to a rabbit TT internal image bearing anti-idiotype antibody (Ab2 beta 1) inoculated in Freund's complete adjuvant (FCA), saline (SAL) or syntex adjuvant formulation vehicle (SAF) via the intraperitoneal or subcutaneous route, were examined in mice. High anti-TT antibody (Ab3) titres are reported although the titre and persistence of the antibody response varied according to the adjuvant used in the priming and challenge inocula of Ab2 beta 1. Mouse Ab3 antibodies were elicited in mice inoculated with rabbit Ab2 beta 1 antibodies which in turn were elicited by an inoculum of mouse monoclonal anti-TT Ab1 antibody. Ab3 was shown to be identical to Ab1 by immunoblot analysis. Primary and secondary immune responses elicited by rabbit Ab2 beta 1 antibody protected mice against a lethal dose of tetanus toxin.
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Poskitt DC, Turnbull S, Macdonald L, Jean-François MJ, Yasmeen D. The immune response to anti-idiotype antibodies bearing an internal image epitope of tetanus toxin/toxoid. II. Comparison of the primary humoral immune response to xenogeneic Ab2 beta 1 and Ab2 beta 2 internal image anti-idiotype antibodies. INTERNATIONAL ARCHIVES OF ALLERGY AND APPLIED IMMUNOLOGY 1991; 95:122-7. [PMID: 1718905 DOI: 10.1159/000235415] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Mouse monoclonal (Ab1) anti-tetanus toxin/toxoid antibodies were used to raise Ab2 beta (tetanus toxin/toxoid internal image bearing) anti-idiotype antibodies in rabbits. Those rabbit serum antibodies (Ab2 beta) that did not bind to mouse serum proteins on an affinity column gave rise to an Ab3 anti-tetanus toxin/toxoid antibody response in mice. Rabbit serum antibodies that did bind to the affinity column, when eluted and used to inoculate mice also gave rise to an Ab3 anti-tetanus toxin/toxoid antibody response. It is suggested that one population of rabbit Ab2 beta anti-idiotype antibodies (unbound fraction) bears a partial or complete internal image of a tetanus epitope (Ab2 beta 1) while others (bound fraction) bear a complete or partial mirror image of a mouse immunoglobulin epitope as well (Ab2 beta 2).
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Pivarnik L, Ferguson E, Rheault A, Macdonald L, Bonilla A, Olney C. Nutrient content of processed fish products common to the jewish diet. J Food Compost Anal 1989. [DOI: 10.1016/0889-1575(89)90064-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Joron GE, Laryea E, Jaeger D, Macdonald L. Cause of death in 1144 patients with diabetes mellitus: an autopsy study. CMAJ 1986; 134:759-64. [PMID: 3948093 PMCID: PMC1492448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The pathological reports for all patients over 13 years of age who had had an autopsy at one of three university-affiliated hospitals between 1967 and 1976 were reviewed to determine the principal cause of death. The clinical records of the patients with diabetes were reviewed to verify the diagnosis and to determine the known duration of diabetes. There were 1144 patients with diabetes mellitus and 5674 without. The sex distribution was similar in the two groups. The patients with diabetes were slightly older, males by 2.2 years and females by 3.2 years. Disease of the circulatory system was the principal cause of death in males (53.7%) and females (58.9%) with diabetes. The rates in the corresponding patients without diabetes were 37.6% and 35.2%. Neoplasms accounted for 18.9% of deaths in males with diabetes, compared with 35.7% in males without diabetes; the corresponding figures in females were 16.0% and 39.4%. Renal disease accounted for 5.9% of deaths in patients with diabetes.
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Macdonald JS, Macdonald L. Fertility decline during rapid urbanisation: the influence of class and kinship. HABITAT INTERNATIONAL 1982; 6:301-321. [PMID: 12312005 DOI: 10.1016/0197-3975(82)90006-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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