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Biomedical subjects

D A Fuccillo

Publications and source records attributed to D A Fuccillo.

At least 37 records · Page 2Linked to original sources

The etiology of non-specific urethritis in active duty Marines.

We studied patients with non-specific urethritis and control subjects at our dispensary. These patients and controls were matched for age, rank and sexual activity, and studied for the presence of bacteria, virus, Trichomonas and Mycoplasma. No significant bacteria were found in either group. No Trichomonas was identified, only 1 herpes II was recovered and no cytomegalovirus was found. Mycoplasma were cultured from patients and controls. The rate of colonization varied, depending upon several factors, but the significant factors seemed to be associated with the number of sexual partners. Those men with more than 1 sexual partner had a significantly increased colonization with Mycoplasma.

Adolescent↗

Multiple sclerosis: cellular and humoral immune responses to several viruses.

One hundred and eight multiple sclerosis (MS) patients and 108 matched controls were studied for antibody levels and cellular immune responses to several viruses. There were significant increases in the mean titers of complement fixation (CF) or hemagglutination inhibition (HI), and complement-mediated cytotoxicity (CMC) tests for measles antibodies in MS patients; there was no increase in antibody titers to herpesviruses 1 and 2, or cytomegalovirus (CMV). The direct migration inhibition (DMI) tests showed no difference between MS patients and controls for measles, CMV, herpesviruses 1 and 2, or vaccinia virus antigens. Lymphocyte-mediated cytotoxicity (LMC) tests showed no difference between patients and controls, using cultures infected with measles and CMV viruses. In a study of stimulation or blocking of the LMC response by serum or cerebrospinal fluid (CSF), no effect was found. Therefore, increased levels of measles antibody in serum were again demonstrated in MS patients, but there was no difference in these patients' cellular immunity to measles virus versus that of the controls, and there was no abnormality of cellular immunity against the other viruses tested.

Antibodies, Viral↗

Antigenic relationship of two strains of simian hemorrhagic fever virus.

Serological comparison of the prototype and an epizootic (Corbell) strain of simian hemorrhagic fever virus revealed that the two viruses were serologically similar. The prototype strain differs from the Corbell strain in that the latter cannot be cultivated in vitro. Serological comparison of the prototype virus grown in tissue culture and its homologous antibody and the prototype and Corbell viruses recovered from rhesus monkey serum and their homologous antibodies showed differences and suggest that a complex relationship exists which has not yet been defined.

Animals↗

Specific impairment of cell-mediated immunity in mothers of infants with congenital infection due to cytomegalovirus.

Specific lymphocyte-mediated cytotoxicity to cytomegalovirus (CMV) in eight infants (six to 27 months old) with congenital CMV infection and in the mothers of six of these infants was evaluated with use of a 51chromium (51Cr)-release microassay. The control population consisted of 25 normal newborns, children, and adults. The titers of indirect hemagglutinating (IHA) antibody to CMV in the infected infants ranged from 1:16 to 1:1,024. All of these infants had detectable specific immune release of 51Cr that ranged from 3.3% to 48.9% (mean +/-SE, 21.0%+/-5.6%). The mothers of these infants demonstrated significantly elevated titers of IHA antibody to CMV (geometric mean titer, 1:410) as compared with a mean titer of 1:22 in controls (t = 5.71; P less than 0.001) but showed significantly depressed specific immune release (9.2% +/- 3.2%) compared with that of normal seropositive controls (24.8% +/- 2.8%; t = 3.31; P less than 0.001). In addition, two adult nulliparous women with persistent CMV viruria were also found to have depressed specific immune release to CMV (10.8% and 16.2%). These data suggest that a specific impairment in cell-mediated immunity to CMV occurs in mothers of infants with congenital CMV infection and in some persons who persistently excrete CMV.

Adult↗

Lack of association between defective delinquents and antibody of herpesvirus hominis.

Several groups have reported a relation between herpesvirus hominis infection and certain psychiatric disorders. We have investigated herpes antibody levels in chronic criminal offenders who were diagnosed as defective delinquents and in criminals who were not defective delinquents. We found no difference in the frequency of titers of herpesvirus type I or type 2 antibody in these groups.

Adolescent↗

Immunological response of subacute sclerosing panencephalitis patients to measles virus.

The immunological responses of patients with clinical signs of SSPE were examined by the direct migration inhibition, complement-mediated antibody cytoxicity and the lymphocyte-mediated cytotoxicity assay techniques. Peripheral lymphocytes migrated similarly to controls when exposed to measles antigen. Lymphocytes from SSPE patients responded to a SSPE strain of measles infected cells in a manner similar to lymphocytes from controls. A factor which interfered with the expected activity of sensitized lymphocytes to measles virus was detected in some cerebral spinal fluid obtained from SSPE patients. The blocking activity varied from 100% in 4 of 20 patients with SSPE to no blocking in 2 of the SSPE patients. The occurrence of blocking factor in SSPE patients could not be related to sex or age of the patient, serum of CSF antibody levels, and duration of disease or outcome.

Antibodies, Viral↗

The susceptibility of the postpartum and postabortal cervix and uterine cavity to infection with attenuated rubella virus.

To determine the susceptibility of the postpartum and postabortal genital tract to infection with attenuated rubella virus, 30 patients with negative hemagglutination inhibition (HI) titers were studied. Following inoculation with Cendehill or RA 27/3 vaccine, viral cultures of the cervix and uterine cavity were obtained with blood specimens to evaluate serologic conversion. Attenuated rubella virus was not isolated in any patient; seropositive conversion was achieved in 24 women. The significance of these findings related to wild rubella virus infection is discussed.

Abortion, Legal↗

Specific inhibitory factors of cellular immunity in children with subacute sclerosing panencephalitis.

Employing a 51Cr release cytotoxicity microassay, and using both measles-and SSPE-infected target cells, four patients with documented SSPE were evaluated for specific cellular and humoral immunity. Mononuclear leukocytes from SSPE patients and control subjects exhibited comparable cytotoxicity. Serum and CSF from these SSPE patients inhibited the cellular response to SSPE-infected cells but not to measles-infected cells. Moreover, fresh whole serum alone from control donors produced significant 51Cr release from both cell lines, whereas SSPE whole serum was effective only against measles-infected cells. CSF from an additional ten patients with SSPE was examined for inhibitory activity: seven of these completely blocked and one partially blocked cell-mediated cytotoxicity to SSPE-infected cells. Preliminary characterization of the serum inhibitory factor suggested that it is IgM or antigen-antibody complexes. These data also suggest antigenic differences between the SSPE and measles viruses.

Adolescent↗

Prophylactic control of simian hemorrhagic fever in monkeys by an interferon inducer, polyriboinosinic-polyribocytidylic acid-poly-L-lysine.

A nuclease-resistant complex of polyriboinosinic-polyribocytidylic acid containing poly-L-lysine and carboxymethylcellulose was used as prophylactic treatment of simian hemorrhagic fever in rhesus monkeys. This infection has proven uniformly fatal to more than 50 monkeys. Treatment 8 hr before infection and repeatedly thereafter completely prevented the development of viremia and death. Untreated animals died before development of antibodies to the virus. None of the treated animals developed antibody to the virus, a fact which suggested that viral growth was essentially completely blocked by the compound.

Animals↗

Radioimmunoassay for toxoplasmosis.

A solid-phase radioimmunoassay for toxoplasmosis has been developed, and the results show good correlation with the indirect hemagglutination test.

Hemagglutination Tests↗

Herpesvirus hominis type II infections in asymptomatic pregnant women.

This study was designed to determine the incidence of previous and current herpesvirus hominis Type II infections in asymptomatic pregnant women. Sera were obtained from 985 patients for detection of Type I and II herpesvirus hominis antibodies. In addition 770 cervical and 211 amniotic fluid cultures for herpesvirus hominis Type II were performed. Identification of previous herpesvirus hominis infection was determined in 352 patients (35.7%) by calculation of a Type II/I antibody index of 85 or greater. Type II herpesvirus hominis was isolated from five cervical cultures for a 0.65% antepartum incidence of infection. None of the amniotic fluid cultures demonstrated virus. The significance of these findings is discussed.

Adolescent↗

A preliminary report on investigation of oncogenic potential of herpes simplex virus type 2 in Cebus monkeys.

A total of 301 female and 133 male Cebus monkeys have been placed under study during a 3-year period. Females are inoculated intradermally into the cervix every 6 months; 225 receive virus and 76 receive control material. More than 50% of the animals were infected on primary inoculation, and a similar percentage was foundon the 1st reinoculation. Males are housed with females at 1:1 to 1:3 ratios. Eighteen % of the males exposed to virus-inoculated females have become infected. To date, a total of 55 pregnancies have produced 14 live births and 8 abortions. The remaining 33 animals are still pregnant. No neonatal herpes simplex virus type 2 infections have been identified. Cytological changes of mild (atypia) to moderate (dysplasia) anaplasia have persisted for 12 to 32 months in 13 herpes simplex virus type 2-infected females. These animals received their 1st inoculation 14 to 50 months ago. Persistent anaplasia has not been found in control animals.

Animals↗