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PubMed1986

Haematological abnormalities in oral lichen planus, candidiasis, leukoplakia and non-specific stomatitis.

A series of 322 patients presenting with non-ulcerative conditions of the oral mucosa was examined for haematological abnormalities. The series was divided into 5 major groups--lichen planus (103 patients), candidiasis (50), leukoplakia (30), stomatitis or glossitis (66), and a miscellaneous group (73). The prevalence of anaemia, and deficiences in iron, folate and vitamin B12 in each group were compared with that found in 100 controls. The prevalence of anaemia in the series as a whole was not significantly increased, but the prevalences of sideropenia (14.0%), folate deficiency (4.7%) and vitamin B12 deficiency (3.1%) were increased as compared with controls. The prevalence of a haematological abnormality was increased in patients with lichen planus (18/103 p less than 0.05), stomatitis (15/66 p less than 0.01) and particularly in patients with Candidiasis (18/50 p less than 0.001). In the stomatitis group, approximately 45% of the male patients were found to have some haematological deficiency compared with less than 20% of the female patients. The increased prevalence of haematological deficiences suggests that patients presenting with non-ulcerative conditions of the oral mucosa (particularly candidiasis and non-specific stomatitis) should be screened haematologically and that, in some patients with candidiasis, haematological deficiencies may predispose towards candidal infection.

Adolescent↗
PubMed1996

Recurrent aphthous stomatitis. An update.

Recurrent aphthous ulceration or recurrent aphthous stomatitis is the most common oral mucosal disease known to human beings. Despite much clinical and research attention, the causes remain poorly understood, the ulcers are not preventable, and treatment is symptomatic. The most common presentation is minor recurrent aphthous stomatitis: recurrent, round, clearly defined, small, painful ulcers that heal in 10 to 14 days without scarring. Major recurrent aphthous stomatitis lesions are larger (greater than 5 mm), can last for 6 weeks or longer, and frequently scar. The third variety of recurrent aphthous stomatitis is herpetiform ulcers, which present as multiple small clusters of pinpoint lesions that can coalesce to form large irregular ulcers and last 7 to 10 days. Diagnosis of all varieties is usually made after clinical examination. Many local and systemic factors have been associated with these conditions, and there is evidence that there may be a genetic and immunopathogenic basis for recurrent aphthous ulceration. Management of this condition depends on the clinical presentation and symptoms and includes analgesic, antimicrobial, and immunomodulatory drugs. As dental clinicians and researchers become better trained in oral medicine and stomatology, it is anticipated that the pathophysiology, prevention, and treatment of recurrent aphthous ulceration will improve in the future.

Adjuvants, Immunologic↗
PubMed1990

Trajectory analysis of winds and vesicular stomatitis in North America, 1982-5.

Outbreaks of vesicular stomatitis, serotype New Jersey, during epidemics in the United States and northern Mexico, 1982-5, were examined by backward trajectories of winds to investigate spread and possible sources. The outbreaks selected for analysis did not involve introduction of disease by infected animals. The findings indicate that wind could have been responsible for carrying infection from northern Mexico to Arizona and New Mexico and thence to Colorado and Utah and on to Wyoming, Idaho and Montana. The results of these analyses are consistent with the findings from T1 RNAse fingerprinting of virus isolates from outbreaks during the epidemics. The arrival of the trajectories was associated with the passage of a front and rain or passage of a front alone or rain alone. At the time of the trajectories temperatures of 10 degrees C and higher were recorded at heights up to 2500-3500 m. Introduction by airborne particles would appear unlikely as it would have required a source of at least 10(5) infectious units per minute per animal. Vesicular stomatitis virus had been isolated from Simulium and Culicoides during the epidemic with amounts of virus from Simulium sufficient to suggest biological transmission. The possibility of Simulium infected with vesicular stomatitis virus being carried downwind to introduce disease is discussed in relation to the behaviour of Simulium and the pathogenesis of vesicular stomatitis in large animals.

Air Movements↗
PubMed2000

A case of fever of unknown origin with severe stomatitis in renal transplant recipient resulting in graft loss.

We present a case of fever of unknown origin and life-threatening stomatitis developed about 60 months after renal transplantation. He was 15 yr old at the transplantation. Bacterial, fungal, and viral infections were not evident. Fever and stomatitis were resistant to acyclovir and to any anti-bacterial or anti-fungal treatment. Graft biopsy revealed a small focus of acute vascular rejection, but the findings were not severe enough to be an etiology of the fever in this case. The administration of cyclosporine (CYA) was stopped 19 d before graftectomy, but the clinical picture was unchanged. Fever and stomatitis was resolved immediately after graftectomy and the discontinuation of immunosuppressants such as mizoribine (MZ) and prednisolone. Pathological changes of the graft included chronic transplant glomerulopathy, acute glomerulitis, and lymphocyte infiltration in peritubular capillaries. Thus we suppose that immunosuppressants were the cause of both fever and stomatitis in this case. We speculate that a fever in this case might be due to the immunosuppressant itself, i.e., CYA or MZ, or viral infection probably herpes-simplex virus infection. It is probably the immunosuppressive state per se that may cause the resistance of his muco-cutaneous lesion to anti-viral agent.

Adolescent↗
PubMed2002

Oral hygiene habits, denture cleanliness, presence of yeasts and stomatitis in elderly people.

The purpose of this study was to determine oral hygiene habits, denture cleanliness, presence of yeasts and denture stomatitis in elderly people. Seventy complete denture wearers were investigated clinically and mycologically. Subjects were evaluated according to, presence of denture stomatitis, presence of yeasts, denture cleanliness, frequency of denture brushing and denture cleaning methods. Swabs were taken from the palate investigated mycologically in order to identify the yeast colonies. No statistical relationship was found between denture stomatitis and frequency of denture brushing and denture cleaning methods. However, there was a statistically significant relationship between denture stomatitis, yeasts' presence and denture cleanliness.

Aged↗
PubMed2005

Effect of low-level laser therapy on Candida albicans growth in patients with denture stomatitis.

OBJECTIVE: The purpose of our report is to present the effect of low-level laser therapy on Candida albicans growth and palatal inflammation in two patients with denture stomatitis. BACKGROUND DATA: The most common oral mucosal disorder in denture wearers is denture stomatitis, a condition that is usually associated with the presence of the yeast Candida albicans. Different treatment methods have been suggested to treat this symptom, none of which is proven to be absolutely effective. METHODS: Two denture-wearing patients, both with palatal inflammation diagnosed as Newton type II denture stomatitis were treated with low-power semiconductor diode laser (BTL-2000, Prague, Czech Republic) at different wavelengths (685 and 830 nm) for 5 d consecutively. In both patients, palatal mucosa and acrylic denture base were irradiated in noncontact mode (probe distance of 0.5 cm from irradiated area) with different exposure times-5 min (830 nm, 3.0 J/cm2, 60 mW) and 10 min (685 nm, 3.0 J/cm2, 30 mW). The effect of laser light on fungal growth in vivo was evaluated after the final treatment using the swab method and semiquantitative estimation of Candida albicans colonies growth on agar plates. The severity of inflammation was evaluated using clinical criteria. RESULTS: After lowlevel laser treatment, the reduction of yeast colonies on the agar plates was observed and palatal inflammation was diminished. CONCLUSION: LLLT is effective in the treatment of denture stomatitis. Further placebo controlled studies are in progress.

Aged↗
PubMed1985

Enzootic vesicular stomatitis New Jersey type in an insular feral swine population.

Free-ranging feral swine from Ossabaw Island, Chatham County, Georgia, were serially bled and tested for vesicular stomatitis New Jersey type serum neutralizing antibody to determine the intensity and progression of annual vesicular stomatitis activity. From November 21, 1981 to October 11, 1982, and from March 15, 1983 to October 14, 1983, 307 and 340 swine were sampled, respectively. Seroconversions were initially detected during the first week of June and continued into September in both 1982 and 1983. Serologic results indicate a seroconversion incidence during 1982 and 1983 of approximately 12% and 60%, respectively. Similar patterns in timing and affected geographic area were observed during both years, with the earliest viral activity and highest incidence restricted to the southern portion of the island. Clinical vesicular stomatitis was not seen during 1982. However, during 1983, vesicular stomatitis New Jersey type virus was isolated from vesicular lesions on two swine.

Animals↗
PubMed1976

Oligosaccharide moieties of the glycoprotein of vesicular stomatitis virus.

Vesicular stomatitis virus contains a single structural glycoprotein whose carbohydrate sequences are probably specified by the host cell. The glycopeptides derived by Pronase digestion of the glycoprotein of vesicular stomatitis virus grown in HeLa cells have an average molecular weight of 1,800. There are multiple oligosaccharide chains on the vesicular stomatitis virus glycoprotein with protein-carbohydrate linkages that are cleaved only by strong alkali under reducing conditions, suggesting that they contain asparagine and N-acetylglucosamine. The oligosaccharide moieties, in addition, appear to be heterogeneous in sequence on the basis of their mobilities during electrophoresis and their sensitivities to cleavage by an endoglycosidase. The carbohydrate-peptide linkage region of the major class of oligosaccharides of the vesicular stomatitis virus glycoprotein has the proposed sequence: (see article).

Acetylglucosamine↗
PubMed1981

Role of the vesicular stomatitis virus matrix protein in maintaining the viral nucleocapsid in the condensed form found in native virions.

Vesicular stomatitis virus was extracted with 60 mM octylglucoside in the absence of salts and in the presence of 0.5 M NaCl. The resulting extracted virus particles were examined by electron microscopy, and the proteins present were identified by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Extraction in the absence of salts yielded subviral structures which we cell "skeletons" as originally suggested by Cartwright et al. (J. Gen. Virol. 7:19-32, 1970). The skeletons contained the viral N, M, and L proteins, but they lacked the glycoprotein (G) entirely. Morphologically, the skeletons resembled intact vesicular stomatitis virus but they were slightly longer and smaller in diameter. Like native vesicular stomatitis virus, skeletons were found to have lateral striations spaced 5.0 to 6.0 nm apart along the length of the structure. In contrast to extraction in the absence of NaCl, extraction of vesicular stomatitis virus with 60 mM octylglucoside in the presence of 0.5 M NaCl yielded highly extended viral nucleocapsids in which N was the predominant protein; no M or G proteins could be detected. These results support the view that the M protein is involved in maintaining the nucleocapsid in the compact form found in native virions.

Capsid↗
PubMed1981

Enhanced mutability associated with a temperature-sensitive mutant of vesicular stomatitis virus.

Temperature-sensitive (ts) mutant tsD1 of vesicular stomatitis virus, New Jersey serotype, is the sole representative of complementation group D. Clones derived from this mutant exhibited three different phenotypes with respect to electrophoretic mobility of the G and N polypeptides of the virion in sodium dodecyl sulfate-polyacrylamide gel. Analysis of non-ts pseudorevertants showed that none of the three phenotypes was associated with the temperature sensitivity of mutant tsD1. Additional phenotypes, some also involving the NS polypeptide, appeared during sequential cloning, indicating that mutations were generated at high frequency during replication of tsD1. Furthermore, mutations altering the electrophoretic mobility of the G, N, NS, and M polypeptides were induced in heterologous viruses multiplying in the same cells as tsD1. These heterologous viruses included another complementing ts mutant of vesicular stomatitis virus New Jersey and ts mutants of vesicular stomatitis virus Indiana and Chandipura virus. Complete or incomplete virions of tsD1 appeared to be equally efficient inducers of mutations in heterologous viruses. Analysis of the progeny of a mixed infection of two complementing ts mutants of vesicular stomatitis virus New Jersey with electrophoretically distinguishable G, N, NS, and M proteins yielded no recombinants and excluded recombination as a factor in the generation of the electrophoretic mobility variants. In vitro translation of total cytoplasmic RNA from BHK cells indicated that post-translational processing was not responsible for the aberrant electrophoretic mobility of the N, NS, and M protein mutants. Aberrant glycosylation could account for three of four G protein mutants, however. Some clones of tsD1 had an N polypeptide which migrated faster in sodium dodecyl sulfate-polyacrylamide gel than did the wild type, suggesting that the polypeptide might be shorter by about 10 amino acids. Determination of the nucleotide sequence to about 200 residues from each terminus of the N gene of one of these clones, a revertant, and the wild-type parent revealed no changes compatible with synthesis of a shorter polypeptide by premature termination or late initiation of translation. The sequence data indicated, however, that the N-protein mutant and its revertant differed from the parental wild type in two of the 399 nucleotides determined. These sequencing results and the phenomenon of enhanced mutability associated with mutant tsD1 reveal that rapid and extensive evolution of the viral genome can occur during the course of normal cytolytic infection of cultured cells.

Animals↗
PubMed1982

RNA polymerase-associated interactions near template promoter sequences of defective interfering particles of vesicular stomatitis virus.

Methylation protection studies suggested that the NS protein component of the RNA polymerase of vesicular stomatitis virus contacts the RNA templates of defective interfering (DI) particles at the sequence 3'...GUCUAUUUUUAUUUUUGGUG...5',17 to 37 nucleotides downstream from the site of initiation of in vitro transcription. The data indicated that vesicular stomatitis virus and DI particle RNAs contain different polymerase binding sequences and that NS may function as a transcription initiator protein for template recognition at both sequences. These results are thus compatible with the hypothesis that differences in the rate of defective and nondefective viral particle replication and autointerference are due to higher-affinity binding sites for polymerase at the 3' end of DI particle RNAs. In addition, a unique DI particle (DI-LT2) RNA that contains a transcriptionally inactive vesicular stomatitis virus leader gene 72 to 118 nucleotides from its 3' end showed interactions with the viral polymerase similar to those reported previously for the 3'-terminal vesicular stomatitis virus leader gene (Keene et al., Proc. Natl. Acad. Sci, U.S.A. 78:6191--6195, 1981). The interaction of polymerase with the internal leader gene of DI-LT2 RNA suggested that the lack of leader RNA and mRNA production by this particle is not due to the inability of polymerase to bind to internal sites along the template. Instead, the initiation of transcription is more likely influenced by the position of the polymerase binding site relative to the 3' end or by requisite interactions between the catalytic polymerase component (L) and the proposed initiator protein (NS).

Base Sequence↗
PubMed1983

Sequence determination of the (+) leader RNA regions of the vesicular stomatitis virus Chandipura, Cocal, and Piry serotype genomes.

Using 3'-end-labeled genome probes, cells infected with vesicular stomatitis virus Chandipura, Cocal, and Piry serotypes were shown to contain (+) leader RNAs of approximately 50 nucleotides in length. The nucleotide sequence of the leader RNA regions of these genomes was determined and compared with the previously reported sequences of both the (+) and (-) leader RNA regions of other vesicular stomatitis virus serotypes. Regions of strong conservation of nucleotide sequence among the various vesicular stomatitis virus serotypes suggest those nucleotides thought to be involved in control functions during vesicular stomatitis virus replication.

Base Sequence↗
PubMed1985

Vesicular stomatitis virus-infected cells fuse when the intracellular pool of functional M protein is reduced in the presence of G protein.

Five highly cytolytic strains of both Indiana and New Jersey serotypes of vesicular stomatitis virus were shown to induce cell fusion in BHK-21 and R(B77) cells. Inhibition of protein synthesis after the eclipse period of viral replication is a prerequisite for vesicular stomatitis virus-induced cell fusion. Pulse-chase experiments showed that inhibition of protein synthesis would lead to a drastic reduction in the intracellular pool of M protein as compared with other proteins. A temperature-sensitive mutant defective in M protein function (G31) was the only mutant of the five complementation groups to spontaneously induce polykaryocytes at the nonpermissive temperature. Previously, G protein has been shown to play a role in vesicular stomatitis virus-induced cell fusion. These results suggest that the combination of the presence of G protein on the virus-infected cell surface and the absence of functional M protein or a reduced level of intracellular M protein promotes cell fusion. On the basis of this study, we propose that vesicular stomatitis virus infection can induce cell fusion when the functional M protein pool declines to a critical level while G protein remains on the cell surface.

Amino Acids↗
PubMed1988

Lack of effect of oral acyclovir on prevention of aphthous stomatitis.

Aphthous stomatitis (canker sores) is a common cause of recurrent mouth ulceration. The effect of long-term oral acyclovir therapy on aphthous stomatitis recurrences was evaluated in 44 patients who were in a double-blind treatment trial for recurrent genital Herpes simplex infections. Twenty-five subjects received oral acyclovir daily for one year, while 19 received the drug only during outbreaks of herpes. The number of patients who experienced recurrences of aphthous stomatitis and the frequency and duration of attacks per patient were not significantly different between groups. Furthermore, no consistent change in attack rate was observed in members of either group compared to that reported before they had entered the trial. We conclude that oral acyclovir is not effective for prevention of recurrent aphthous stomatitis in most patients.

Acyclovir↗
PubMed2002

Valproate-associated stomatitis.

The purpose of this article is to report a case of severe stomatitis in a patient with pediatric epilepsy taking divalproex sodium. The case was reviewed with detailed oral examinations. This 5-year-old child developed severe stomatitis 18 months after institution of divalproex sodium. Cessation of the medication was associated with resolution of the stomatitis. A review of the pertinent literature is also provided. Stomatitis is a rare but potentially serious adverse effect of divalproex sodium administration.

Anticonvulsants↗
PubMed1997

Phase III controlled evaluation of sucralfate to alleviate stomatitis in patients receiving fluorouracil-based chemotherapy.

PURPOSE: Stomatitis is a major dose-limiting toxicity of bolus fluorouracil (5FU)-based chemotherapy regimens, despite the use of oral cryotherapy. Pursuant to preliminary data that suggested a sucralfate oral solution could alleviate chemotherapy-induced oral mucositis, we developed a prospective trial to test this contention. PATIENTS AND METHODS: A phase III, double-blind, placebo-controlled clinical trial was designed. Patients were entered onto the study at the time of the first cycle of 5FU-based chemotherapy. All patients received oral cryotherapy for 30 minutes with each dose of 5FU. In addition, each patient was randomized to receive either a sucralfate solution or a placebo solution to be used if they developed mouth tenderness or mouth sores. The study solution was to be used four times daily for 7 days starting on the first day of mouth tenderness or mouth sores. Stomatitis scores were determined by health care providers and by patients themselves. RESULTS: There was a total of 131 assessable patients entered onto this trial, 50 of whom developed mucositis and used the study medication (27 sucralfate and 23 placebo). There was no suggestion of any difference in stomatitis severity or duration on either protocol arm. CONCLUSION: The resultant data from this clinical trial did not support the prestudy hypothesis that sucralfate would be beneficial for the treatment of 5FU-induced stomatitis.

Anti-Ulcer Agents↗
PubMed2001

A recurrent aphthous stomatitis case due to paediatric Behçet's disease.

Behçet's disease is a rare condition in children and characterized by a triad of recurrent aphthous stomatitis, genital ulceration and uveitis. The aetiology is unknown, but systemic vasculitis is the main pathology. The oral lesions resemble Sutton disease, which is another form of recurrent aphthous stomatitis (RAS) that composes approximately 10 per cent of cases and is known as major aphthous stomatitis, can easily be overlooked if the other symptoms are not questioned. We presented a 12-year-old girl with the initial complaint of recurrent aphthous stomatitis. During the follow-up period, we observed the other cardinal signs of the Behçet's disease.

Behcet Syndrome↗
PubMed2006

Infection of guinea pigs with vesicular stomatitis New Jersey virus Transmitted by Culicoides sonorensis (Diptera: Ceratopogonidae).

Intrathoracically inoculated Culicoides sonorensis Wirth & Jones were capable of transmitting vesicular stomatitis New Jersey virus (family Rhabdoviridae, genus Vesiculovirus, VSNJV) during blood feeding on the abdomen of six guinea pigs. None of the guinea pigs infected in this manner developed clinical signs of vesicular stomatitis despite seroconversion for VSNJV. Guinea pigs infected by intradermal inoculations of VSNJV in the abdomen also failed to develop clinical signs of vesicular stomatitis. Three guinea pigs given intradermal inoculations of VSNJV in the foot pad developed lesions typical of vesicular stomatitis. Transmission by the bite of C. sonorensis may have facilitated guinea pig infection with VSNJV because a single infected C. sonorensis caused seroconversion and all guinea pigs infected by insect bite seroconverted compared with 50% of the guinea pigs infected by intradermal inoculation with a higher titer VSNJV inoculum. The role of C. sonorensis in the transmission of VSNJV is discussed.

Animals↗