301
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Davison PF, Berman M. Corneal collagenase: specific cleavage of types (alpha 1)2 alpha 2 and (alpha 1)3 collagens. Connect Tissue Res 1973; 2:57-64. [PMID: 4137594 DOI: 10.3109/03008207309152600] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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302
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Ergun S, Berman M. X-ray diffraction profiles of defective layered lattices showing preferred orientation. ACTA ACUST UNITED AC 1973. [DOI: 10.1107/s0567739473000033] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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303
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Temple R, Berman M, Carlson HE, Robbins J, Wolff J. The use of lithium in Graves' disease. Mayo Clin Proc 1972; 47:872-8. [PMID: 4678503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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304
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Temple R, Berman M, Robbins J, Wolff J. The use of lithium in the treatment of thyrotoxicosis. J Clin Invest 1972; 51:2746-56. [PMID: 4115707 PMCID: PMC332975 DOI: 10.1172/jci107094] [Citation(s) in RCA: 94] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Since lithium has been shown to inhibit release of iodine from the thyroid, we have investigated its therapeutic potential in thyrotoxicosis. Eight detailed (131)I kinetic studies were performed on seven thyrotoxic women and data was analyzed using a computer program. Lithium at serum levels of about 1 mEq liter decreased the loss of (131)I from the thyroid, led to a fall in serum (131)I levels and diminished urinary (131)I excretion. Computer simulation of the lithium effect required, in every case, that lithium inhibit hormonal and nonhormonal thyroid iodine release. In five cases a second lithium effect was required for a satisfactory fit of the model soluton with observed data: namely, an inhibition of hormone disappearance from serum. NEITHER INHIBITION OF RELEASE NOR OF HORMONE DISAPPEARANCE SEEMED TO BE AFFECTED BY METHIMAZOLE (RELEASE: 52% decrease without methimazole, 60% with methimazole; hormone disappearance: approximately 60% decrease in both). When Li(+) was discontinued, recovery of the iodine release rate and hormone disappearance rate over the observed time span was variable, ranging from no recovery to rates that exceeded pre-Li(+) values. When Li(+) is used alone its effect on serum hormone levels is diminished due to continued accumulation of iodide by the thyroid. Thus, serum thyroxine-iodine levels fell 21-30% in 6-8 days in patients who did not receive methimazole and 15-67% in the methimazole-treated subjects. For prolonged therapy, therefore, a thiocarbamide drug must be used in conjunction with Li(+). The similarity of inhibition of iodine release from the thyroid produced by Li(+) and iodides is discussed.
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305
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Bruyneel K, Owen P, Lubbe W, Simson E, Berman M, Opie LH. Factors influencing onset of ventricular fibrillation following coronary artery occlusion in a subhuman primate (Cape Chacma baboon). Heart 1972; 34:964. [PMID: 4627593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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306
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307
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Reuben JP, Brandt PW, Berman M, Grundfest H. Regulation of tension in the skinned crayfish muscle fiber. I. Contraction and relaxation in the absence of Ca (pCa is greater than 9). J Gen Physiol 1971; 57:385-407. [PMID: 5549096 PMCID: PMC2203112 DOI: 10.1085/jgp.57.4.385] [Citation(s) in RCA: 115] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
In isolated skinned crayfish muscle fibers bathed in solutions that were buffered to be virtually free of Ca(2+) (pCa 8-10) the substrate for both contraction and relaxation is the MgNTP complex. Tension increased up to 50% of the maximum capability of the fiber as the substrate MgATP increased to an optimum (pMgATP = 5.5). Relaxation was induced by further increases in MgATP. Similar bell-shaped curves of tension vs. pMgNTP were obtained with UTP and ITP, but optimum pMgUTP was about 4.5 and optimum pMgITP was about 2.6. The relation between equilibrium tension and pMgNTP is described by an equation analogous to that for the kinetics of enzymes regulated by substrate inhibition.
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308
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Berman M, Dohlman CH, Gnädinger M, Davison P. Characterization of collagenolytic activity in the ulcerating cornea. Exp Eye Res 1971; 11:255-7. [PMID: 4330639 DOI: 10.1016/s0014-4835(71)80030-1] [Citation(s) in RCA: 38] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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309
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Shames DM, Berman M, Segal S. Effects of thyroid disease on glucose oxidative metabolism in man. A compartmental model analysis. J Clin Invest 1971; 50:627-41. [PMID: 5101784 PMCID: PMC291971 DOI: 10.1172/jci106533] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Glucose oxidation to CO(2) in man at the fasted, steady state has been investigated in normal, hypothyroid, patients by monitoring the specific activity of plasma glucose and expired CO(2) after intravenous injection of glucose-1-(14)C, glucose-6-(14)C, and sodium bicarbonate-(24)C in tracer amounts. Making certain stoichiometric assumptions about the oxidation of the C-1 and C-6 carbons of glucose to CO(2), the data are incorporated into a multicompartmental model describing the kinetics of plasma glucose, plasma bicarbonate, and the conversion of glucose to CO(2) by the hexose monophosphate pathway and all other series and parallel pathways which oxidize glucose carbon to CO(2) (EMP-TCA). This formulation separates the distribution kinetics of glucose and bicarbonate from the kinetics of glucose oxidation to CO(2). It allows the calculation of a minimal fraction (varphi(t)) of glucose irreversibly oxidized to CO(2) which is based entirely on the duration of the experimental data. This calculation is independent of the extrapolative implications of the model beyond the experimental interval and of the particular model chosen to fit the data. All modeling and data fitting were performed on a digital computer with the SAAM program. Based on a 300 min experiment the analysis suggests that in hypothyroidism there is a decrease in the rate of glucose metabolized irreversibly (rhoG). There is also a decrease in the minimal fraction (varphi(300)) which is completely oxidized to CO(2) by way of the EMP-TCA. rhoG and varphi(300) are 0.56 and 0.42 mmole/min respectively as compared to 0.89 and 0.50 mmole/min respectively in normals. However, the fraction of the C-1 of glucose metabolized irreversibly which undergoes oxidation to CO(2) by the hexose monophosphate pathway (Psi) is not different from normal (0.07 and 0.07 respectively). The hyperthyroid studies suggest that rhoG and varphi(300) are within the normal range (1.01 and 0.46 mmoles/min respectively as compared to 0.89 and 0.50 mmole/min respectively in normals). However, Psi is decreased to less than half the normal value (0.03 as compared to 0.07 in normals).
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310
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Phang JM, Finerman GA, Singh B, Rosenberg LE, Berman M. Compartmental analysis of collagen synthesis in fetal rat calvaria. I. Perturbations of proline transport. BIOCHIMICA ET BIOPHYSICA ACTA 1971; 230:146-59. [PMID: 5543327 DOI: 10.1016/0304-4165(71)90062-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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311
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Berman M, Lin EC. Glycerol-specific revertants of a phosphoenolpyruvate phosphotransferase mutant: suppression by the desensitization of glycerol kinase to feedback inhibition. J Bacteriol 1971; 105:113-20. [PMID: 5540998 PMCID: PMC248329 DOI: 10.1128/jb.105.1.113-120.1971] [Citation(s) in RCA: 33] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Glycerol-specific revertants were isolated from a phosphoenolpyruvate phosphotransferase mutant lacking enzyme I activity. Sixteen of the eighteen separately derived revertants were found to synthesize a fully active glycerol kinase no longer subject to feedback inhibition by fructose 1,6-diphosphate. The suppressor mutation mapped at the known glpK locus. When the fructose, 1,6-diphosphate-insensitive kinase allele was transduced into a strain producing the glp enzymes constitutively, cells of the resultant strain were susceptible to killing by glycerol if this compound was added to a culture growing exponentially in casein hydrolysate. This phenomenon had been previously described for a strain which had a constitutive glycerol kinase refractory to feedback inhibition, but isolated by a different procedure. It is suggested that the suppression of the growth defect on glycerol in the enzyme I(-) mutant by the fructose 1,6-diphosphate-insensitive kinase is achieved by increasing the in vivo catalytic potential of glycerol kinase. This increased activity would allow more rapid conversion of glycerol to l-alpha-glycerophosphate, the true inducer of the glp system. The enzyme I defect in the parental strain impaired the inducibility of the glp system so that the normal basal catalytic activity of the kinase was insufficient to insure induction by glycerol.
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312
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Shames DM, Frank A, Steinberg D, Berman M. Transport of plasma free fatty acids and triglycerides in man: a theoretical analysis. J Clin Invest 1970; 49:2298-314. [PMID: 5480855 PMCID: PMC322731 DOI: 10.1172/jci106449] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Three different multicompartmental models of free fatty acid (FFA) and very low density lipoprotein triglyceride fatty acid (VLDL-TGFA) transport in man are formulated from plasma FFA and VLDL-TGFA tracee and tracer data collected over a 24 hr interval after the injection of palmitate-(14)C. All modeling and data fitting were performed on a digital computer using the SAAM program. Structural differences in the three models relate to the position of the slowly turning over compartment required to generate the late portion of the plasma VLDL-TGFA tracer data. The positions of this slow compartment are along the hepatic pathway from FFA to VLDL-TGFA (model A) or in the distribution system of VLDL-TGFA (model B) or in the distribution system of FFA (model C). Although all three models are equally consistent with our experimental data and are supported by observations of others, each reveals inconsistency with some data obtained from the literature. Consequently, a combination model of FFA-TGFA transport, incorporating properties of models A, B, and C would be more consistent with all available data. Experiments that would help to determine the quantitative significance of each of the slow compartments in the combination model are suggested. Several other models suggesting recycling of plasma VLDL-TGFA through the plasma FFA pool, kinetic heterogencity of the plasma VLDL-TGFA pool, and contamination of plasma VLDL-TGFA radioactivity with low density lipoprotein (LDL) TGFA radioactivity were tested. The first model does not explain the late portion of the plasma VLDL-TGFA tracer data. The second and third models, while consistent with our tracee and tracer data, have steady-state implications with respect to the extent of kinetic heterogeneity and size of the LDL-TGFA contaminant that make them unlikely. Assumptions underlying other investigator's models of FFA and TGFA transport in man are reviewed within the logical framework of our models. Quantitative differences among the various models are shown by evaluating all of the models with respect to a common set of plasma FFA and VLDL-TGFA data.
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313
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Quarfordt SH, Frank A, Shames DM, Berman M, Steinberg D. Very low density lipoprotein triglyceride transport in type IV hyperlipoproteinemia and the effects of carbohydrate-rich diets. J Clin Invest 1970; 49:2281-97. [PMID: 5480854 PMCID: PMC322730 DOI: 10.1172/jci106448] [Citation(s) in RCA: 132] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Transport of plasma-free fatty acids (FFA) and of fatty acids in triglycerides of plasma very low density lipoproteins (VLDL-TGFA) was studied in two normal subjects, five patients with type IV hyperlipoproteinemia, and two patients with type I hyperlipoproteinemia. After intravenous pulse-labeling with albumin-bound 1-palmitate-(14)C, specific radioactivity of plasma FFA and VLDL-TGFA were determined at intervals up to 24 hr. The results were analyzed using several different multicompartmental models each compatible with the experimental data. Fractional transport of VLDL-TGFA was distinctly lower (no overlap) in the type IV patients than in the control subjects, both on a usual balanced diet (40% of calories from carbohydrate) and on a high-carbohydrate diet (80% of calories). However, net or total transport of VLDL-TGFA in the type IV patients was not clearly distinguishable from that in the control subjects, there being considerable overlap on either diet. The results suggest that in this group of type IV patients the underlying defect leading to the increased pool size of VLDL-TGFA is not overproduction but a relative defect in mechanisms for removal of VLDL-TGFA. Since some of these type IV patients had only a moderate degree of hypertriglyceridemia at the time they were studied, and since it is not established that patients with the type IV phenotype constitute a biochemically homogeneous population, the present results should not be generalized. Four studies were done (in two control subjects and two type IV patients) in which the kinetic parameters in the same individual were determined on the balanced diet and on the high-carbohydrate diet. All subjects showed an increase in VLDL-TGFA pool size. Using two of the models for analysis, all showed an increase in net transport of VLDL-TGFA; using the third model, three of the four studies showed an increase in VLDL-TGFA transport. The results are compatible with the interpretation that the carbohydrate-induced increase in VLDL-TGFA, both in controls and type IV patients, is at least in part due to an increased rate of production of VLDL-TGFA. The magnitude of the increase was approximately the same in controls and patients. Thus, metabolic adjustment to a high-carbohydrate regimen in these type IV patients may not be basically different from that in normal controls; the higher levels of VLDL-TGFA reached may simply be another reflection of a defective removal mechanism. An alternative interpretation, compatible with the data, would involve both a carbohydrate-induced increase in fractional rate of release of VLDL-TGFA from liver to plasma and a decrease in fractional removal of VLDL-TGFA from plasma without increase in net production rate. The simpler hypothesis of a single primary effect on net VLDL-TGFA production from FFA seems more likely.
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314
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Ramberg CF, Mayer GP, Kronfeld DS, Phang JM, Berman M. Calcium kinetics in cows during late pregnancy, parturition, and early lactation. THE AMERICAN JOURNAL OF PHYSIOLOGY 1970; 219:1166-77. [PMID: 5473093 DOI: 10.1152/ajplegacy.1970.219.5.1166] [Citation(s) in RCA: 88] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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315
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Berman M, Kerchner HR, Ergun S. Determination of the Optical Properties of Absorbing Uniaxial Crystals from Reflectance at Oblique Incidence. ACTA ACUST UNITED AC 1970. [DOI: 10.1364/josa.60.000646] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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316
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Koutras DA, Berman M, Sfontouris J, Rigopoulos GA, Koukoulommati AS, Malamos B. Endemic goiter in Greece: thyroid hormone kinetics. J Clin Endocrinol Metab 1970; 30:479-87. [PMID: 5435287 DOI: 10.1210/jcem-30-4-479] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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317
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Berman M, Zwaig N, Lin EC. Suppression of a pleiotropic mutant affecting glycerol dissimilation. Biochem Biophys Res Commun 1970; 38:272-8. [PMID: 4313930 DOI: 10.1016/0006-291x(70)90708-4] [Citation(s) in RCA: 31] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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318
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Gordon H, Davies D, Berman M. Camptodactyly, cleft palate, and club foot. A syndrome showing the autosomal-dominant pattern of inheritance. J Med Genet 1969; 6:266-74. [PMID: 5345097 PMCID: PMC1468739 DOI: 10.1136/jmg.6.3.266] [Citation(s) in RCA: 36] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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319
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Birge SJ, Peck WA, Berman M, Whedon GD. Study of calcium absorption in man: a kinetic analysis and physiologic model. J Clin Invest 1969; 48:1705-13. [PMID: 5822579 PMCID: PMC535742 DOI: 10.1172/jci106136] [Citation(s) in RCA: 114] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
A physical model of calcium absorption was developed from analysis of data obtained on 23 subjects, including 13 patients having a variety of abnormalities of calcium metabolism. The model was tested and found consistent in all subjects studied. This technique provides a quantitative description of the rate of entry of oral dose of (47)Ca into the circulation as a function of time by analysis of serum or forearm radioactivity in response to intravenous and oral administration of (47)Ca. The kinetics of the absorption process as proposed by the model are characterized by an initial delay phase of 15-20 min, by a maximal rate of absorption at 40-60 min after ingestion, and by 95% completion of the absorption within 2(1/2) hr. Partial identification of the physiological counterparts of the model was possible by introduction of the isotope at various levels of the gut. Although the region of the duodenum was found to have the greatest rate of absorption per unit length in normal subjects, it was least responsive to stimulation by parathyroid hormone and suppression by calcium loading. Furthermore, the response of the gut to parathyroid hormone was delayed, whereas the suppression of absorption by intravenous or oral calcium loading was rapid and dramatic. The implications of these observations are discussed.
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320
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Eaton RP, Berman M, Steinberg D. Kinetic studies of plasma free fatty acid and triglyceride metabolism in man. J Clin Invest 1969; 48:1560-79. [PMID: 5796365 PMCID: PMC322383 DOI: 10.1172/jci106122] [Citation(s) in RCA: 87] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Plasma transport of free fatty acids (FFA) and triglyceride fatty acids (TGFA) was studied in seven subjects with normal lipid metabolism, one case of total lipodystrophy, and one case of familial hyperlipemia (Type V). Studies were carried out after intravenous injection of radioactive FFA, of lipoproteins previously labeled in vitro in the triglyceride moiety, or both. Computer techniques were used to evaluate a series of multicompartmental models, and a general model is proposed that yields optimum fitting of experimental data for both FFA and TGFA. The results show that as much as 20-30% of FFA leaving the plasma compartment in normal subjects is transported to an exchanging extravascular pool and quickly reenters the plasma pool as FFA. The rate of irreversible delivery of FFA from plasma to tissues averaged 358 muEq/min in normals. The lipodystrophy patient, despite the virtual absence of adipose tissue (confirmed at autopsy), had a plasma FFA concentration and a total FFA transport, both more than twice normal. Total TGFA transport ranged from 25 to 81 muEq/min in four normal controls. The rate constant for TGFA turnover in the patient with Type V hyperlipemia was so small that total transport could not be quantified from the data available; the TGFA half-life was over 500 min. In two normal subjects given injections of autologous lipoproteins labeled in vitro with triolein-(14)C and simultaneously given oleic acid-(3)H, it was shown that the time course for the disappearance of the TGFA in the in vitro labeled samples conformed almost exactly to that of the physiologically labeled lipoprotein TGFA synthesized from injected FFA (as evidenced by the simultaneous fitting of both sets of data using the same multicompartmental model and the same rate constants). Radioactivity appeared in the plasma FFA fraction at a significant rate after injection of plasma labeled in vitro with TGFA. It was estimated that as much as 50% of the total TGFA transported underwent rapid and rather direct conversion to FFA in the two normal subjects studied this way. The kinetic data suggest that such conversion of TGFA to FFA was not preceded by any extensive dilution, such as would result from complete mixing with tissue triglyceride stores.
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Abstract
The author discusses the construction of model biochemical/physiological systems to fit experimental data which is always incomplete. He suggests that the first experiments on any system should be first-order (usually tracer) perturbations of steady-state systems. The proposed model can then be given a preliminary fit to the data; criteria for best fit, consistency, and uniqueness of fit are suggested. More data may then be obtained by perturbations at another steady-state, and finally by studying transient situations.References are included to some of the author's own publications in which these matters are discussed in detail.
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322
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Phang JM, Berman M, Finerman GA, Neer RM, Rosenberg LE, Hahn TJ. Dietary perturbation of calcium metabolism in normal man: compartmental analysis. J Clin Invest 1969; 48:67-77. [PMID: 5765028 PMCID: PMC322192 DOI: 10.1172/jci105975] [Citation(s) in RCA: 52] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
The effect of dietary calcium intake on calcium metabolism was studied in eight normal volunteers by multicompartmental analysis of radiocalcium and balance data. In paired studies of six normal subjects on normal and high or low calcium intakes, necessary and sufficient criteria were used to determine changes in calcium metabolic parameters produced by alterations in dietary calcium. These changes involved gastrointestinal calcium absorption rate, renal and endogenous fecal rate constants, and bone resorption rate. Bone accretion rate and compartment sizes need not change between the paired studies. The changes of parameters involving kidney, gut, and bone were in a direction to support calcium homeostasis and were compatible with the pattern of changes produced by parathyroid hormone. However, the source of the stimulus for hormone secretion was not apparent since plasma calcium concentrations showed no significant difference between paired studies. The implications of these findings relative to control of hormone secretion, calcium regulatory mechanisms, and metabolic bone disease are discussed.
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323
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Sugar HS, Berman M. Relationship between the mandibulofacial dysostosis syndrome of Franceschetti and the oculo-auriculo-vertebral dysplasia syndrome of Goldenhar. Am J Ophthalmol 1968; 66:510-4. [PMID: 5676360 DOI: 10.1016/0002-9394(68)91538-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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324
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Avioli LV, Berman M. Role of magnesium metabolism and the effects of fluoride therapy in Paget's disease of bone. J Clin Endocrinol Metab 1968; 28:700-10. [PMID: 5653203 DOI: 10.1210/jcem-28-5-700] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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325
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