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ALTERATIONS IN THE RATE OF RECEPTOR DEGRADATION DURING DEVELOPMENT OF XENOPUS MYOTOMAL T-Pos328 MUSCLE. P. Brehm, Dept. of Physiology, Tufts Medical School, Boston, MA. 02111. The turnover rate of acetylcholine ACh ; receptors was studied on developing myotomal muscle and from Xenopus laevis. Tail musculature was dissected from tadpoles stages 33 I alphamaintained in organ culture. Prior to organ culture each tail was treated with 40 nM bungarotoxin for 60 min and washed extensively. ACh receptor degradation was assessed by the time-dependent release of radioactivity from each tail. The relationship between released counts % total ; and time in organ culture was fit to a single exponential to estimate the rate constant of receptor degradation. At stage 34 of embryonic development the rate constant was 72 hr half-life 50 hrs ; . Beginning at stage 41, the rate constant progressively decreased until stage 47, afterwhich no further decrease beyond 306 hr- half-life 213 hours ; was observed Surprisingly, no significant component corresponding to the embryonic rate constant of 72 hr was present in the degradation curves from any tails beyond stage 35 even though extrajunctional receptor density remains high at these stages. This finding is consistent with a developmental decrease in the degradation rate for extrajunctional receptors. It could be argued that tails which showed slow degradation had fewer extrajunctional receptors. To the contrary, however, tails with slower degradation rates invariably exhibited the highest binding. A consistent inverse correlation was found to exist between receptor number and the degradation rate for all stages beyond 35. These data suggest that the maintenance of high extrajunctional receptor density throughout the life of the muscle, as measured electrophysiologically, is a consequence of slow receptor degradation over the entire muscle surface. NIH Grant NS18205.
Drying at 100 "C for 12 h. Note that this is not a measurement of the density of sponge tissue since the volume measurement includes water adhering to and contained within the sponge. However, it does permit conversion of sponge colony mass to volume.
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Bodies in lower brain stem nuclei. Acta Neuropathol 2001; 101: 195201. Cummings JL. Dementia with Lewy bodies: molecular pathogenesis and implications for classification. J Geriatr Psychiatry Neurol 2004; 17: 1129. Del Tredici K, Rub U, De Vos RA, Bohl JR, Braak H. Where does parkinson disease pathology begin in the brain? J Neuropathol Exp Neurol 2002; 61: 41326. Feldman JL, Mitchell GS, Nattie EE. Breathing: rhythmicity, plasticity, chemosensitivity. Annu Rev Neurosci 2003; 26: 23966. Gai WP, Blessing WW, Blumbergs PC. Ubiquitin-positive degenerating neurites in the brainstem in Parkinson's disease. Brain 1995; 118: 144759. Gilman S, Low PA, Quinn N, Albanese A, Ben-Shlomo Y, Fowler CJ, et al. Consensus statement on the diagnosis of multiple system atrophy. J Neurol Sci 1999; 163: 948. Goldstein DS, Holmes C, Cannon RO 3rd, Eisenhofer G, Kopin IJ. Sympathetic cardioneuropathy in dysautonomias. N Engl J Med 1997; 336: 696702. Gray F, Vincent D, Hauw JJ. Quantitative study of lateral horn cells in 15 cases of multiple system atrophy. Acta Neuropathol 1988; 75: 5138. Guyenet PG, Koshiya N, Huangfu D, Baraban SC, Stornetta RL, Li YW. Role of medulla oblongata in generation of sympathetic and vagal outflows. Prog Brain Res 1996; 107: 12744. Hague K, Lento P, Morgello S, Caro S, Kaufmann H. The distribution of Lewy bodies in pure autonomic failure: autopsy findings and review of the literature. Acta Neuropathol 1997; 94: 1926. Halliday GM, Li YW, Blumbergs PC, Joh TH, Cotton RG, Howe PR, et al. Neuropathology of immunohistochemically identified brainstem neurons in Parkinson's disease. Ann Neurol 1990; 27: 37385. Hishikawa N, Hashizume Y, Hirayama M, Imamura K, Washimi Y, Koike Y, et al. Brainstem-type Lewy body disease presenting with progressive autonomic failure and lethargy. Clin Auton Res 2000; 10: 13943. Horimoto Y, Matsumoto M, Akatsu H, Ikari H, Kojima K, Yamamoto T, et al. Autonomic dysfunctions in dementia with Lewy bodies. J Neurol 2003; 250: 5303. Larner AJ, Mathias CJ, Rossor MN. Autonomic failure preceding dementia with Lewy bodies. J Neurol 2000; 247: 22931. Low PA. Laboratory evaluation of autonomic function. In: Low PA, editor. Clinical autonomic disorders: evaluation and management. Philadelphia: Lippincott-Raven; 1997. p. 179208. McKeith IG, Galasko D, Kosaka K, Perry EK, Dickson DW, Hansen LA, et al. Consensus guidelines for the clinical and pathologic diagnosis of dementia with Lewy bodies DLB ; : report of the consortium on DLB international workshop. Neurology 1996; 47: 111324. Morrison SF. RVLM and raphe differentially regulate sympathetic outflows to splanchnic and brown adipose tissue. J Physiol 1999; 276: R96273. Paxinos G, Huang XF. Atlas of the human brainstem. San Diego: Academic Press; 1995. Pierangeli G, Provini F, Maltoni P, Barletta G, Contin M, Lugaresi E, et al. Nocturnal body core temperature falls in Parkinson's disease but not in multiple-system atrophy. Mov Disord 2001; 16: 22632. Strack AM, Sawyer WB, Hughes JH, Platt KB, Loewy AD. A general pattern of CNS innervation of the sympathetic outflow demonstrated by transneuronal pseudorabies viral infections. Brain Res 1989; 491: 15662. Thaisetthawatkul P, Boeve BF, Benarroch EE, Sandroni P, Ferman TJ, Petersen R, et al. Autonomic dysfunction in dementia with Lewy bodies. Neurology 2004; 62: 18049. Tsuda T, Onodera H, Okabe S, Kikuchi Y, Itoyama Y. Impaired chemosensitivity to hypoxia is a marker of multiple system atrophy. Ann Neurol 2002; 52: 36771. Yoshita M, Taki J, Yamada M. A clinical role for [ 123 ; I]MIBG myocardial scintigraphy in the distinction between dementia of the Alzheimer's-type and dementia with Lewy bodies. J Neurol Neurosurg Psychiatry 2001; 71: 5838.
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Alderton WK, Cooper CE, and Knowles RG 2001 ; Nitric oxide synthases: structure, function and inhibition. Biochem J 357: 593 615. Barbera JA, Peinado VI, Santos S, Ramirez J, Roca J, and Rodriguez-Roisin R 2001 ; Reduced expression of endothelial nitric oxide synthase in pulmonary arteries of smokers. J Respir Crit Care Med 164: 709 713. Bender AT, Silverstein AM, Demady DR, Kanelakis KC, Noguchi S, Pratt WB, and Osawa Y.
Of 114 patients who progressed through initial and second-line therapy, mobilization was attempted in 88 77% ; and was performed using either G-CSF alone 8 patients ; or in combination with cyclophosphamide 63 patients ; . Six patients underwent mobilization with cyclophosphamide and G-CSF followed by a further attempt at mobilization using G-CSF alone. The mobilization schedule for 11 patients was not specified. A backup marrow harvest was also performed in 16 patients in whom this was deemed necessary. Mobilization was not attempted in 26 patients 23% ; for a variety of reasons, the most common being an inadequate response to therapy Table 2 ; . Of the 88 patients in whom mobilization was attempted, an adequate harvest, defined as equal to or more than 2.0 106 CD34 cells kg body weight was obtained in 59 67% ; . Thus, 29 patients 33% ; failed to mobilize peripheral blood progenitor cells. The median CD 34 count obtained was 2.46 106 cells kg range, 0-7.16 106 ; . The 95% CI for successful mobilization was 56.2% to 76.7%. CD 34 cell selection was performed in 15 patients. Mobilization success was not found to correlate with sex, stage at presentation, presence of B symptoms, degree of marrow and maprotiline!
Received April 27, 1992. Address all correspondence and requests for reprints to: Akio Inui, M.D., Ph.D., Second Department of Internal Medicine, Kobe University School of Medicine, Kusunoki-cho, Chuo-ku, Kobe 650, Japan. * This work was supported in part by Grants-in-Aid for Scientific Research C ; 01570642 and 03671152 to AI. ; from the Ministry of Education, Science, and Culture of Japan
Spective study 1 ; , there are several errors that should be pointed out. First, the authors stated that deficits in olfactory identification are not consistently seen in patients with Huntington's disease. In fact, olfactory loss is common in patients with Huntington's disease once the clinical signs of the disorder are manifest. For example, in one study 2 ; , 25 of Huntington's disease patients exhibited Pennsylvania Smell Identification Test scores below those of matched comparison subjects and at-risk asymptomatic relatives. This is nearly equivalent to the finding reported by my colleagues and me in 1987 3 ; that 23 of 25 patients with early-stage Alzheimer's disease who were capable of psychophysical testing scored below matched normal comparison subjects on the Pennsylvania Smell Identification Test. In accordance with the general thesis of Dr. Devanand et al., we found in this early study that only two of 34 patients with Alzheimer's disease were aware of their deficit. Second, the authors stated that the findings relative to olfactory losses for Parkinson's disease are "equivocal." In fact, the prevalence and magnitude of olfactory losses of patients with Parkinson's disease are indistinguishable from those seen in early-stage Alzheimer's disease, both in terms of scores on the Pennsylvania Smell Identification Test and threshold values 4, 5 ; . Dr. Devanand et al., as well as others, have asked whether many older patients with olfactory losses and marginal cognitive impairment already have Alzheimer's disease that has not progressed clinically to the point at which it can meet the criteria of the National Institute of Neurological and Communicative Disorders and Stroke and the Alzheimer's Disease and Related Disorders Association. If so, then a redefinition of the operational criteria for establishing the presence of Alzheimer's disease at its earliest stages may be in the offing, perhaps incorporating criteria determined from both olfactory tests and magnetic resonance imaging MRI ; 6 and marinol.
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Obliterative bronchiolitis OB ; is the fibrotic destruction of small airways that is the major cause of long-term graft failure, morbidity, and mortality in the lung transplant population 1, 2 ; . Bronchiolitis obliterans syndrome BOS ; , a clinical description of OB, is defined by the International Society of Heart and Lung Transplantation as graft deterioration manifested by persistent airflow obstruction not due to other causes 3 ; . BOS is a frequent complication that is the cause of death in approximately onethird of patients after 1 year, and it affects one-half of lung transplant recipients alive at 5 years 1 ; . Prior studies have identified acute rejection 49 ; , lymphocytic bronchitis 69 ; , cytomegalovirus CMV ; pneumonitis 5, 6 ; , single lung transplant 10 ; , and anti-human leukocyte antigen antibody development 11, 12 ; as probable or potential risk factors 3, 13 ; . Although these risk factors likely contribute to the pathogenesis of BOS in some patients, their occurrence does not fully correlate with the subsequent development of BOS in all patients 2 ; . Unfortunately, the biologic mechanisms respon.
TABLE 2. Age-specific prevalence of any lens opacity and of bilateral cataract surgery, by racial group, in a cohort of 2, 520, Salisbury, Maryland, 1993-1995 and meclizine.
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Table 2 shows the cellular characteristics of the grafts. In all, 20 patients received G-CSF mobilized peripheral blood stem cells PBSC ; , one patient received PBSC bone marrow BM ; because of poor PBSC mobilization and one received BM. All donors received recombinant G-CSF at a dose of 10 mg kg for a median of 4 days range 36 stem cells were collected using a continuous flow cell separator and a median of two leukaphereses range 14 ; starting on day 4 of stimulation were performed for each donor to achieve a CD34 cell target dose 44 106 kg recipient body weight b.w. ; . The median value of CD34 and nucleated cells NC ; infused was 7.4 106 kg and 7.3 108 kg recipient b.w., respectively. Only two patients received a CD34 cell dose o4 106 kg b.w. The median value of CD3 , CD4 , CD8 and CD56 cells 108 kg reinfused are indicated in Table 2 and malarone.
Vaccine Initiative, 20 February 2002, Geneva. 21. L. Dorin, Roshan Ouseph, personal interview with Dorin, then Director of Finance and Administration, IAVI, New York, 25 February, 2002. 22. B. Bauler, Roshan Ouseph personal communication with Mr. Bauler, Associate of DCS, Boston, February 12, 2002. 23. B. Bauler, Roshan Ouseph personal communication with Mr. Bauler, Associate of DCS, Boston, February 12, 2002. 24. B. Skolnik, F. Agueh, J. Justice, M. Lechat, Independent Evaluation of the Global Alliance For the Elimination of Leprosy, 13 June, 2003. 25. Many PPPs indicate that Technical Advisory Groups serve as their governing bodies--yet these groups have no fiduciary responsibility nor decision-taking authority. 26. The PPP profiles, which served as questionnaires and were vetted by the PPP secretariats, indicate that all, with the exception of RBM and WPESS, state that their governing bodies have representation of both private and public partners. Nonetheless, further research reveals this not to be the case for Coartem, GAEL, GPEI which have no governing bodies, while Malarone and Mectizan lack private representation and ITI lacks public representatives, etc. 27. Being based at a southern institution may be a poor proxy for representing southern interests-- particularly given the increasing number of `transpatriates' working in international health--but at least these individuals will have greater understanding of local variables of relevance to the health issue. Their involvement may thus serve to improve both constituency-based and competence-based representation. 28. Widdus, "Public-private partnerships for health require thoughtful evaluation, " Bulletin of the World Health Organization, 81 4 ; 2003: 235. 29. K. Caines and H. N'jie, Report of the external review of the functions and interactions of the GAVI Working Group, Secretariat and Board. Unpublished document, 7 June 2002. 30. J.A. Kumaresan, Kent Buse, email correspondence with Dr. Kumaresan, Executive Secretary, Stop TB, 8 January, 2003. 31. H. Kettler and A. Twose, Public Private Partnerships for Research and Development: Medicines and Vaccines for Diseases of Poverty, London: Office of Health Economics, 2002 ; . 32. Freeman R 1984 ; Strategic Management: A Stakeholder Approach. Boston: Pitman. 33. K. Buse and R. Ouseph "Courting the commercial sector: Corporate selection procedures of the WHO, UNAIDS, UNFPA, UNICEF and the World Bank for public-private health partnerships, " Global Social Policy forthcoming ; . 34. It remains unclear if the commercial sector is involved in decision-making. 35. R. Skolnik and et. al., Independent Evaluation of the International AIDS Vaccine Initiative. April 2003. Accessed at : iavi about on 27 October 2003. 36. R. Rabinovich, Roshan Ouseph personal interview with Rabinovich, then Director of the Malaria Vaccine Initiative, 20 February 2002, Geneva. 37. WHO, "Guidelines on Working with the Private Sector to Achieve Health Outcomes." Geneva: WHO, 2000 ; . 38. R. Feachem, et.al., Achieving Impact: Roll Back Maria in the Next Phase, Final Report of the External Evaluation of Roll Back Malaria, August 29, 2002. 39. K. Caines, H. N'jie, Report of the external review of the functions and interactions of the GAVI Working Group, Secretariat and Board, Unpublished document, 7 June 2002 and medrol.
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1 Monreal MD, Francisco Quilez RN, Rey-Joly MD, et al. Infusion phlebitis in patients with acute pneumonia. Chest 1999; 115: 1576 Taboada-Coton JM, Pose-Reino A. Factors related with the development of phlebitis after venopuncture. International Symposium on Thromboembolic Diseases: New Achievements and Challenges. Lisbon, Spain: 1999; A6 3 Danchaivijirt S, Srishapol N, Pataworawuth S et al. Infusionrelated phlebitis. J Med Assoc Thail 1995; 78 suppl 2 ; : S85 S90 4 Lipsky BA, Peugeot RL, Bokyo EJ, et al. A prospective study of Staphylococcus aureus nasal colonization and intravenous therapy-related phlebitis. Arch Intern Med 1992; 152: 2109 Maki DG, Ringer M. Risk factors for infusion-related phlebitis with small peripheral venous catheters. Ann Intern Med 1991; 114: 845 Hershey C, Tomford JW, McLaren CE, et al. The natural history of intravenous catheter-associated phlebitis. Arch Intern Med 1984; 144: 13731375 Meguro S, Kuraishi Y, Kobayashi T, et al. Phlebitis associated with the intravenous use of cephapirin and cephalotin in the combination therapy of antibiotics. Jpn J Antibiot 1980; 33: 11631165!
Eleven out of the 30 dairies contacted participated in the extended study to determine the bacteriological status of the footbaths. In these dairies a total of 83 footbaths were used and of these 46 were sampled Table 4 ; . The production management received a sampling kit and instructions for sampling see Chapter 5.5 ; . The samples often contained spore-forming bacteria. They were not analysed further, since bacterial spores were expected to survive in the concentrations of disinfectants used. Vegetative bacteria were isolated from 10 out of 14 footbaths with hypochlorite. Bacteria isolated from used chlorine compounds were identified as Acinetobacter-like, Staphylococcus-like or unknown. The bacteria were found both in the disinfectant 6 samples ; and on the surfaces 9 samples ; . Ten out of 11 footbaths containing TEGO demonstrated bacteria, both surviving in the disinfectant and on the surfaces. Footbaths with TEGO 103G appeared to select for Pseudomonas, Cedecea, Serratia or Proteus resistant to both TEGO and mefloquine.
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