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VAN BOGAERT L. Studies on spontaneous primary encephalitides in the monkey. III. Diffuse, non-suppurative meningitides and meningo-encephalitides with subacute and chronic course. J Neuropathol Exp Neurol 2000; 18:313-23. [PMID: 13642088 DOI: 10.1097/00005072-195904000-00007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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ELLIS RA, MONTAGNA W. Electron microscopy of the duct, and especially the 'cuticular border" of the eccrine sweat glands in Macaca mulatta. J Biophys Biochem Cytol 1998; 9:238-42. [PMID: 13726492 PMCID: PMC2224973 DOI: 10.1083/jcb.9.1.238] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Abstract
In bands of free-ranging macaques, adolescent males typically leave their mothers in the central part of the band and assume low social rank at the periphery. But the adolescent sons of high-ranking mothers may remain central and rise to high rank without becoming peripheral.
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HULL RN, CHERRY WR, TRITCH OJ. Growth characteristics of monkey kidney cell strains LLC-MK1, LLC-MK2, and LLC-MK2(NCTC-3196) and their utility in virus research. ACTA ACUST UNITED AC 1998; 115:903-18. [PMID: 14449901 PMCID: PMC2137539 DOI: 10.1084/jem.115.5.903] [Citation(s) in RCA: 89] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The establishment of two strains of rhesus monkey kidney cells in continuous tissue culture, the development of a subline adapted to chemically defined medium, and the isolation of several clonal derivatives were described. Growth characteristics, chromosome numbers, malignant potentiality, and freeze storage data are presented. The cells were studied for their sensitivity to a large number of viruses and were extensively compared with primary cultures of monkey kidney cells for sensitivity to poliovirus. The cell strains were not sensitive to all the viruses which could be grown in primary cultures of the same tissue but were susceptible to most of them. In some instances an advantage to the use of the cell strain for certain viruses was noted.
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YAKOVLEV PI, LOCKE S. Limbic nuclei of thalamus and connections of limbic cortex. III. Corticocortical connections of the anterior cingulate gyrus, the cingulum, and the subcallosal bundle in monkey. ACTA ACUST UNITED AC 1998; 5:364-400. [PMID: 14008719 DOI: 10.1001/archneur.1961.00450160014002] [Citation(s) in RCA: 96] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Abstract
Hahon, Nicholas (Fort Detrick, Frederick, Md.), and Kenneth O. Cooke. Fluorescent cell-counting neutralization test for psittacosis. J. Bacteriol. 89:1465-1471. 1965.-A sensitive, precise, and specific serological procedure, the fluorescent cell-counting neutralization test, was developed to detect and to measure quantitatively psittacosis serum-neutralizing antibodies within 24 hr. The test is based on the reduction of fluorescent cells in McCoy cell monolayers resulting from the neutralization of infective agent particles by specific antiserum. Small but significant rises in neutralizing titers were measured in serum specimens from monkeys previously exposed to the psittacosis agent and from humans with diagnoses of subclinical or established psittacosis infections.
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CROSS HA, BROWN LT. DISCRIMINATION REVERSAL LEARNING IN SQUIRREL MONKEYS AS A FUNCTION OF NUMBER OF ACQUISITION TRIALS AND PREREVERSAL EXPERIENCE. ACTA ACUST UNITED AC 1996; 59:429-31. [PMID: 14313787 DOI: 10.1037/h0022056] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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SHISHIDO A, HONJO S, SUGANUMA M, OHTAKI S, HIKITA M, FUJIWARA T, TAKASAKA M. STUDIES ON INFECTIOUS MONONUCLEOSIS INDUCED IN THE MONKEY BY EXPERIMENTAL INFECTION WITH RICKETTSIA SENNETSU. I. CLINICAL OBSERVATIONS AND ETIOLOGICAL INVESTIGATIONS. ACTA ACUST UNITED AC 1996; 18:73-83. [PMID: 14322603 DOI: 10.7883/yoken1952.18.73] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Abstract
A squirrel monkey was subjected to a fixed-interval pattern of reinforcement. During the course of each interval a bright white light was repeatedly presented. In the presence of the white light, a response was never immediately followed by food; the white light thus functioned as S(Delta). Responding was interrupted during the S(Delta) periods, but in the squirrel monkey as in the pigeon, these interruptions did not destroy the characteristic scalloped pattern of the cumulatively recorded responding through each interval.
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Abstract
Complement-fixing antigens specific for rubella were made in tissue cultures of RK-13 rabbit kidney cells and primary cultures of kidney from the African green monkey. The antigens were prepared with the infected cell monolayer diluted to 30 percent with supernatant fluid and frozen and thawed three times. Complement-fixing antibody appeared in patients with rubella soon after the termination of rash and persisted for at least 8 months. In 8 out of 12 individuals who had the disease 10 to 20 years before they were tested, no complement-fixing antibody was found, but neutralizing antibody was present.
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HOLZEL A, PARKER L, PATTERSON WH, CARTMEL D, WHITE LL, PURDY R, THOMPSON KM, TOBIN JO. VIRUS ISOLATIONS FROM THROATS OF CHILDREN ADMITTED TO HOSPITAL WITH RESPIRATORY AND OTHER DISEASES, MANCHESTER 1962-4. Br Med J 1996; 1:614-9. [PMID: 14245175 PMCID: PMC2165944 DOI: 10.1136/bmj.1.5435.614] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Abstract
Squirrel monkeys were trained on a multiple schedule in which 10-min periods on a continuous shock avoidance schedule, indicated by a yellow light, alternated with 10-min periods on a 1.5-min variable interval schedule of food reinforcement (VI 1.5). A white light indicated that VI 1.5 was in effect, except for the middle 2 min of the period on VI 1.5, in which a blue light appeared and terminated with the delivery of a 0.5-sec unavoidable shock. Stable response rates developed in the avoidance and VI 1.5 components. However, the highest response rates occurred in the blue, preshock stimulus. A series of experiments showed that responding in the blue stimulus persisted even when responding had been extinguished on both the VI schedule of food reinforcement and the shock avoidance schedule. Responding in the blue stimulus ceased when the blue stimulus terminated without shock or when it terminated with a response-contingent shock. Each time responding ceased, it was restored by terminating the blue stimulus with an unavoidable shock. When the blue stimulus was on throughout each session and unavoidable shocks were delivered at regular 10-min intervals, responding was well maintained. These results show that in monkeys that have been trained on a continuous avoidance schedule, unavoidable shocks can maintain responding even under conditions where responses have no programmed consequences.
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WHITE JD, ROONEY JR, PRICKETT PA, DERRENBACHER EB, BEARD CW, GRIFFITH WR. PATHOGENESIS OF EXPERIMENTAL RESPIRATORY TULAREMIA IN MONKEYS. J Infect Dis 1996; 114:277-83. [PMID: 14183401 DOI: 10.1093/infdis/114.3.277] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Abstract
Three variables were studied for their single and joint effects on aversive thresholds obtained by a titration schedule with electric shock as the aversive stimulus. One variable was the interval between the periodic increments in shock amplitude. Another was the size of this increment. The third was the size of the decrement produced when the subject responded. Both monkeys and humans tolerated more shock at the shorter increment-to-increment intervals than at the longer ones, confirming rat data previously obtained. Reducing the decremental step size also led to an increase in the amount of shock tolerated by monkeys. In addition, simply reducing both incremental and decremental step size without changing the interval between increments led monkeys to tolerate more shock. The attempt to explain these data was based on the changes that such manipulations might produce in the amount of avoidance behavior elicited.
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FUENTES-MARINS R, RODRIGUEZ AR, KALTER SS, HELLMAN A, CRANDELL RA. ISOLATION OF ENTEROVIRUSES FROM THE "NORMAL" BABOON (PAPIO DOGUERA). J Bacteriol 1996; 85:1045-50. [PMID: 14043993 PMCID: PMC278282 DOI: 10.1128/jb.85.5.1045-1050.1963] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Fuentes-Marins, R. (Southwest Foundation for Research and Education, San Antonio, Texas), A. R. Rodriguez, S. S. Kalter, A. Hellman, and R. A. Crandell. Isolation of enteroviruses from the "normal" baboon (Papio doguera). J. Bacteriol. 85: 1045-1050. 1963.-In a study designed to determine whether the baboon (Papio doguera) would be suitable for use as a model of human virus infections, the normal enterovirus flora was determined. Five agents were isolated from 101 stool samples: four from the African group and one from the African-African group. None of the stool samples from the Domestic group of animals was found to contain any agents. On the basis of their biological characterizations (animal source, cytopathic effect, plaque formation, and antigenic relationships), the isolates were separated into two groups. Accordingly, prototype strains AA153 and A13 were designated for the African-African and African groups, respectively. These viruses have not been found to be related to any known human viruses. Their relationship to organisms isolated from other animals, especially primates, awaits study. The failure to detect latent viruses in preparations of baboon kidney cell cultures suggests a relatively "clean" animal which may be used with safety in preparation of vaccine for human administration.
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