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Biomedical subjects

N Jonsson

Publications and source records attributed to N Jonsson.

At least 73 records · Page 4Linked to original sources
PubMed1976

Cutaneous alternariosis.

Two patients with cutaneous alternaria infection are presented. In both patients the skin lesions were characterized by multiple non-healing ulcers covered with dry crusts. Although the skin changes were macroscopically alike in the two patients, differences in the histology were seen. Both patients had primary debilitating diseases. A review of the literature is presented and revealed an additional ten cases of cutaneous alternariosis. Methods for the isolation of Alternaria and the susceptibility of the fungus to antimycotic drugs are presented.

Adolescent↗
PubMed1976

Pharmacoangiography in experimental tumours. Evaluation of vasoactive drugs.

Pharmacoangiography with four vasoactive drugs was performed in experimental renal and hepatic tumours in rats in order to compare their ability to demonstrate tumour vascularity. Three vasoconstrictors, angiotensin, norepinephrine and vasopressin, and one vasodilator, tolazoline, were tested, vasoconstrictors giving most diagnostic information and the difference in effect among these sometimes being small and probably dose-related. This diagnostic effect is based upon the primitive character of tumour vessels, being unable to react upon a vasoactive stimulus. Angiotensin turned out to be the superior drug which corresponds to clinical experiences of this drug.

Angiography↗
PubMed1966

Specific transplantation immunity in relation to Rous sarcoma virus tumorigenesis in mice.

Tests for transplantation immunity and for the occurrence of virus-neutralizing serum antibodies were performed on mice, inoculated when newborn with the Schmidt-Ruppin strain of Rous sarcoma virus (RSV-SR). Mice developing no palpable primary sarcomas showed a clear-cut resistance against the isografting of established specifically antigenic Rous tumors. Transplantation tests performed on primary tumor hosts after extirpation of the tumors revealed neither any clear-cut immunity nor tolerance to the specific transplantation antigen(s). Serial pretreatment of operated primary tumor animals with irradiated autologous or syngeneic tumor cells resulted in a clear-cut transplantation immunity. Virus-neutralizing activity was only found in a few sera from newborn infected mice, and in these cases there was no positive correlation with the transplantation immunity. It seems probable that a successful immunization against the RSV-SR specific transplantation antigen(s) prevents the development of primary tumors. There is no indication of any tolerance to this antigen in connection with the induction of primary tumors.

Animals↗