Lymphatic albumin clearance from psoriatic skin
Journal Article
·
· J. Am. Acad. Dermatol.; (United States)
In nine patients with untreated psoriasis vulgaris, human serum albumin labelled with /sup 125/I or /sup 131/I was injected intradermally in symmetrically located involved and uninvolved skin. The activity of the depots was followed by external detection, and the arrival of labelled albumin in plasma was monitored. In involved psoriatic skin the local mean half-time (T1/2) for tracer disappearance was 20.8 +/- 8.2 (S.D.) hr and in clinically normal skin, 29.1 +/- 9.6 (S.D.) hr. The difference was significant (p less than 0.002). Accordingly, the tracer from involved skin reached higher plasma levels than the tracer from uninvolved skin. However, under slight lymphatic stasis the appearance rate of radiolabelled albumin in plasma from both tissues was minimal during 1 to 2 hours after the injection, indicating that a local direct transvascular drainage of plasma albumin from the interstitium of diseased and normal skin was negligible. We conclude that the previously demonstrated increased extravasation of plasma proteins in involved psoriatic skin is compensated by an increased lymphatic drainage of plasma proteins, and not by an increased local transvascular return.
- Research Organization:
- Finsen Inst., Copenhagen, Denmark
- OSTI ID:
- 6743268
- Journal Information:
- J. Am. Acad. Dermatol.; (United States), Journal Name: J. Am. Acad. Dermatol.; (United States) Vol. 9:6; ISSN JAADD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550901* -- Pathology-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
ALBUMINS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BLOOD CIRCULATION
BLOOD-PLASMA CLEARANCE
BODY
CLEARANCE
DAYS LIVING RADIOISOTOPES
DISEASES
DISTRIBUTION
ELECTRON CAPTURE RADIOISOTOPES
INJECTION
INTAKE
INTERMEDIATE MASS NUCLEI
INTRAMUSCULAR INJECTION
IODINE 125
IODINE 131
IODINE ISOTOPES
ISOTOPE APPLICATIONS
ISOTOPES
LABELLED COMPOUNDS
LYMPHATIC SYSTEM
NUCLEI
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
ORGANS
PATHOLOGY
PATIENTS
PROTEINS
PSORIASIS
RADIOISOTOPES
SKIN
SKIN DISEASES
TISSUE DISTRIBUTION
TRACER TECHNIQUES
59 BASIC BIOLOGICAL SCIENCES
ALBUMINS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BLOOD CIRCULATION
BLOOD-PLASMA CLEARANCE
BODY
CLEARANCE
DAYS LIVING RADIOISOTOPES
DISEASES
DISTRIBUTION
ELECTRON CAPTURE RADIOISOTOPES
INJECTION
INTAKE
INTERMEDIATE MASS NUCLEI
INTRAMUSCULAR INJECTION
IODINE 125
IODINE 131
IODINE ISOTOPES
ISOTOPE APPLICATIONS
ISOTOPES
LABELLED COMPOUNDS
LYMPHATIC SYSTEM
NUCLEI
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
ORGANS
PATHOLOGY
PATIENTS
PROTEINS
PSORIASIS
RADIOISOTOPES
SKIN
SKIN DISEASES
TISSUE DISTRIBUTION
TRACER TECHNIQUES