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Biomedical subjects

D Benjamin

Publications and source records attributed to D Benjamin.

At least 235 records · Page 13Linked to original sources
PubMed1979

Migration inhibition factor activity in sera of patients with chronic lymphatic leukemia.

Migration inhibition factor (MIF) activity, expressed as a migration index, was studied in the sera of 48 chronic lymphatic leukemia (CLL) patients and 48 healthy controls. MIF activity was detected in the sera of 50% of the CLL patients. The medical condition of patients in advanced clinical stages (III and IV) and with detectable MIF activity was more stable (after 18-mo follow-up) than was that of the patients in advanced stages but without detectable MIF activity. No relationship was found between the clinical stage of the disease, absolute lymphocyte count, and MIF activity.

Adult↗
PubMed1978

Peripheral cryoglobulinemic neuropathy in a patient with Gaucher's disease.

Cryoglobulinemia with peripheral cryoglobulinemic neuropathy is reported in a patient with Gaucher's disease. To the best of our knowledge, a similar relationship has not been previously described. The question whether the cryoglobulinemic neuropathy in this patient is related to Gaucher's disease, or is a mere coincidence, is discussed.

Aged↗
PubMed1978

A 13-years remission in chronic myelocytic leukemia after a single course of busulfan.

A patient with chronic myelocytic leukemia in whom a clinical and hematological remission occurred after a single course of busulfan is described. The remission lasted for a period of 13 years and during that lapse of time, she gave birth to a healthy child. Afterwards, acute myeloblastic leukemia was diagnosed. Following treatment with rubidomycin and arabinoside C another remission was achieved, lasting already for 18 months.

Adult↗
PubMed1978

Familial hypouricemia due to isolated renal tubular abnormality.

A family with genetic hypouricemia due to isolated renal tubular abnormality in urate handling is reported. Urinary urate excretion was decreased by 61% following administration of pyrazinamide, and increased by 25% following administration of probenecid. The response to these drug suggest genotype heterogeneity of renal hypouricemia in man.

Chromosome Aberrations↗
PubMed1978

Hyperlipemia and myocardial infarction in polycythemia vera.

Hyperlipemia was found in 46 of 118 polycythemia vera patients and in 20 of a control group of 115 healthy subjects. Myocardial infarction in the polycythemia vera group occurred in 14 of the 46 hyperlipemic and in 17 of the remaining 72 nonhyperlipemic patients. Repeated phlebotomies may induce hyperlipemia; therefore, this form of treatment may be potentially dangerous in polycythemia vera patients who are already hyperlipemic.

Female↗
PubMed1977

Familial hypouricemia due to isolated renal tubular defect. Attenuated response of uric acid clearance to probenecid and pyrazinamide.

A 37-year-old female was found to have hypouricemia (1.1-1.9 mg%) with markedly increased uric acid clearance (24.7039.5 ml/min). Uric acid excretion was only slightly affected by pyrazinamide, a drug which suppresses renal tubular uric acid secretion, and by probenecid, a drug which inhibits tubular uric acid reabsorption. The attenuated response in this subject to both drugs suggest a renal tubular defect in the proximal high capacity-high affinity uric acid reabsorption mechanism. No other renal tubular or metabolic abnormalities were detected. A survey of the family-three sisters and two brothers, revealed two similarly affected sisters. The abnormality described in this family is defined as familial renal hypouricemia due to an isolated renal tubular defect with attenuated response of uric acid clearance to probenecid and pyrazinamide.

Adult↗
PubMed1975

Effects of group-selective reagents on rabbit muscle glycogen synthase.

A series of amino acid reagents was tested on the glucose-6-P dependent D, and independent I forms of glycogen synthase (UDPG: glycogen alpha-4-glucosyltransferase, EC 2.4.I. II) from rabbit skeletal muscle, at two levels of purification. Whereas blocking of aliphatic hydroxyl groups did not result in any inhibition of the enzyme(s), blocking of aromatic hydroxyl groups resulted in a gradual and complete inhibition. Under the stated assay conditions both forms of the enzyme were similarly affected in terms of activity, but the tyrosines of the D form were found to react more readily chemically. Tyrosine appears to be "essential" for catalysis. No desensitization to the allosteric modulator glucose-6-P was detected.

Affinity Labels↗