HIV enteropathy: comparative morphometry of the jejunal mucosa of HIV infected patients resident in the United Kingdom and Uganda.

Abstract:

AIMS:To compare jejunal mucosal morphometry in HIV infected patients resident in London and Uganda. PATIENTS:Twenty HIV positive patients from London and 16 from Uganda were studied, and compared with HIV negative control subjects from both sites. METHODS:Stools and biopsy specimens were examined for enteropathogens. Surface area to volume (S:V) ratio was estimated morphometrically, mean crypt length of jejunal biopsy specimens was measured, and HIV infected cells detected immunohistochemically were quantified. RESULTS:Enteric pathogens were detected in none of the London patients, and in three Ugandan patients. S:V ratio was lower, and mean crypt length higher, in the specimens of London patients than in normal subjects, but there was no difference in S:V ratio or mean crypt length between Ugandan patients and controls. A negative correlation was present between S:V ratio and mean crypt length in all biopsy specimens analysed. HIV infected cells were detected only in lamina propria. CONCLUSION:Infection of cells in the lamina propria of the jejunum with HIV stimulates crypt cell proliferation, and a fall in villous surface area. The mucosal response to HIV is masked by other pathogens in the African environment.

journal_name

Gut

journal_title

Gut

authors

Batman PA,Kapembwa MS,Miller AR,Sedgwick PM,Lucas S,Sewankambo NK,Serwadda D,Pudney J,Moody A,Harris JR,Griffin GE

doi

10.1136/gut.43.3.350

subject

Has Abstract

pub_date

1998-09-01 00:00:00

pages

350-5

issue

3

eissn

0017-5749

issn

1468-3288

journal_volume

43

pub_type

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