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Biomedical subjects

W M Jenkins

Publications and source records attributed to W M Jenkins.

63 records · Page 4Linked to original sources

The relationship between immunological parameters and response to therapy in resistant oral candidosis.

Eight patients with resistant oral candidal infection have undergone full immunological assessment. In four of these patients no significant abnormality of immune function was observed, and all responded to intensive antifungal therapy with nutritional supplements of iron and folic acids as required. The remaining four patients had abnormalities only of specific candida-related immune function and no detectable abnormality of general immune function. Surgical excision of affected areas of oral mucosa was found to be the most effective therapy in three of these four cases. The immunological findings in these cases are compared with those observed in five patients with chronic mucocutaneous candidosis in whom both specific candida-related and non-specific immune incompetence were present.

Adult↗

Nutritional deficiency in oral candidosis.

A retrospective study of 108 patients was carried out to investigate the possible relationship between infection of the mouth with Candida albicans and blood levels of iron, folic acid and vitamin B12. The patients were separated into two groups--those with hyperplastic and those with atrophic candidal lesions--and compared with separate control groups. Twenty-one patients had chronic hyperplastic candidosis and seven were iron deficient. Comparison with an age- and sex-matched control group showed the differences to be significant only at the p less than 0.1 level. Seven of the patients with hyperplastic lesions had folic acid deficiency and the difference between patients and controls was statistically significant (less than 0.05). However, no significant differences in iron or folic acid deficiency were noted between 87 patients with atrophic candidosis and 65 conttrols, and vitamin B12 deficiency was not statistically significant for either the hyperplastic or the atrophic group. It is concluded that deficiency of iron, folic acid or vitamin B12 alone does not promote growth of Candida albicans on the oral mucous membrane but that in some susceptible individuals, iron or folic deficiency may facilitate epithelial invasion by hyphae of Candida albicans.

Atrophy↗

Reorganization of cortical representations of the hand following alterations of skin inputs induced by nerve injury, skin island transfers, and experience.

Tactile experiences remodel the central nervous system representations of the body surface. The results of assessments of ten peripheral manipulations that reveal different aspects of representational plasticity are reviewed: (1) chronic peripheral denervation; (2) surgical amputation; (3) digital syndactyly and its natural behavioral equivalents; (4) peripheral nerve crush with reinnervation; (5) peripheral nerve transection and repair, with reinnervation; (6) denervation of very large skin surfaces, for very long times; (7) electrical stimulation of large-fiber afferents in the median nerve, simulating electroacupuncture; (8) implantation of always-innervated island pedicle flaps; (9) behavioral training with locationally invariant stimuli; and (10) behavioral training with moving stimuli. Focus is on the changes recorded in a primary somatosensory cortical field, area 3b, following these ten manipulations, in adult monkeys. On the basis of these findings, the following are discussed: (1) how altered schedules of activity from the skin contribute to cortical representational remodeling; (2) other factors that influence the representational remodeling; (3) where the remodeling actually occurs; and (4) some implications of these findings for sensory rehabilitation.

Amputation, Surgical↗

An act of cooperation.

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Education, Continuing↗