abstract：:We evaluated the effectiveness of administration of high-dose busulfan (BU), an alkylating agent with substantial myeloablative but negligible immunosuppressive properties, on the engraftment of congenic normal bone marrow and spleen cells (hematopoietic cell transplantation; HCT) in murine galactosylceramidase defici...

journal_title：Pediatric research

authors： Yeager AM,Shinohara M,Shinn C

更新日期：1991-03-01 00:00:00

abstract：:We studied the pre- and postnatal developmental regulation of the hepatic type I IGF receptor in the rat. Fetal rat liver membranes bound IGF-I throughout the latter part of gestation (d 17 to 21). After birth, binding diminished rapidly, reaching barely detectable levels by the 13th postnatal d. However, the presence...

journal_title：Pediatric research

authors： Gruppuso PA,Walker TD,Carter PA

更新日期：1991-03-01 00:00:00

abstract：:Vagal responsivity to orogastric stimulation is necessary for gastrointestinal function and may reflect autonomic regulation. Our study evaluated vagal responsivity during gavage feeding as an index of preterm clinical status. Vagal and behavioral responsivity of 26 preterm infants during gavage feeding was measured. ...

journal_title：Pediatric research

authors： DiPietro JA,Porges SW

更新日期：1991-03-01 00:00:00

abstract：:We used an in vitro assay to study and compare the growth-promotional activity of protein and nonprotein components in human milk (HM) and cow milk (CM) samples for infant strains of Bifidobacterium species. HM samples varied considerably in growth-promotion activity for Bifidobacterium bifidum var pennsylvanicus, Bif...

journal_title：Pediatric research

authors： Petschow BW,Talbott RD

更新日期：1991-02-01 00:00:00

abstract：:Argininosuccinate synthetase and argininosuccinate lyase catalyze the conversion of citrulline to arginine in kidney. Immunohistochemical staining of mouse kidney sections with antibodies to these two enzymes, compared with the staining patterns of known markers for proximal tubules, demonstrated that these enzymes ar...

journal_title：Pediatric research

authors： Morris SM Jr,Sweeney WE Jr,Kepka DM,O'Brien WE,Avner ED

更新日期：1991-02-01 00:00:00

abstract：:Newly identified forms of electron transfer flavoprotein (ETF) deficiency in two patients with glutaric aciduria type II (GA II) were described. GA II has been attributed to a defect of either ETF or ETF dehydrogenase, resulting in multiple acyl-CoA dehydrogenation deficiency. ETF is a mitochondrial flavoprotein consi...

journal_title：Pediatric research

authors： Yamaguchi S,Orii T,Suzuki Y,Maeda K,Oshima M,Hashimoto T

更新日期：1991-01-01 00:00:00

abstract：:Murine hybridoma antibodies directed against the capsule and O-side chain determinants of the Escherichia coli strain Bort (018ac:K1:H7) were evaluated for their ability to enhance bactericidal activity of cord blood against K1 E. coli strains possessing O antigens common in neonatal E. coli infection, i.e. 018, 07, a...

journal_title：Pediatric research

authors： Kim KS,Cross AS,Kaufmann B,Zollinger W,Sadoff J

更新日期：1990-12-01 00:00:00

abstract：:The purpose of this project was to study the role of lipid peroxidation in oxygen-induced lung injury in the newborn lamb. It was our hypothesis that injury to the microvascular bed of the lung by oxygen would coincide with a burst of peroxidative activity and would be accompanied by an increased rate of excretion of ...

journal_title：Pediatric research

authors： Hansen TN,Smith CV,Gest AL,Smith HW,Giesler M

更新日期：1990-12-01 00:00:00

abstract：:Superoxide anion generation during severe asphyxia and reventilation was assessed in newborn pigs. Using closed cranial windows over the parietal cortices, superoxide dismutase (SOD)-inhibitable nitroblue tetrazolium (NBT) reduction was determined during asphyxia/reventilation. Asphyxia was induced by turning off the ...

journal_title：Pediatric research

authors： Pourcyrous M,Leffler CW,Mirro R,Busija DW

更新日期：1990-12-01 00:00:00

abstract：:Sodium deficiency is associated with decreased muscle growth and protein synthesis. We investigated the influence of diet-induced sodium deficiency on the rate and extent of compensatory growth of the right lung after left pneumonectomy in young rats of 83 +/- 1 g body weight. Starting 1 wk before surgery, all rats we...

journal_title：Pediatric research

authors： Gallaher KJ,Wolpert E,Wassner S,Rannels DE

更新日期：1990-11-01 00:00:00

abstract：:A number of neuromuscular diseases are associated with molecular defects in the mitochondrial DNA (mtDNA). These include: 1) a missense mutation at nucleotide 11778 in the mtDNA of Leber's hereditary optic neuropathy patients; 2) a heterogeneous array of deletions in the mtDNA of ocular myopathy patients; and 3) small...

journal_title：Pediatric research

authors： Wallace DC,Lott MT,Lezza AM,Seibel P,Voljavec AS,Shoffner JM

更新日期：1990-11-01 00:00:00

abstract：:In Krabbe's disease (globoid cell leukodystrophy), galactosylsphingosine (psychosine) is considered to be a causative agent of the pathology found in the nervous system of the patients. In our study, we examined the cytotoxic effect of psychosine in neural cell cultures derived from the rat nervous system. The concent...

journal_title：Pediatric research

authors： Sugama S,Kim SU,Ida H,Eto Y

更新日期：1990-11-01 00:00:00

abstract：:The cytotoxicity of natural killer (NK) cells against K562 cells and their responsiveness to interferon-alpha and interleukin 2 (IL-2) were studied throughout childhood using 51Cr-release and single-cell assays. Although NK activity was extremely low in the neonatal period, it almost reached the adult level during 1 t...

journal_title：Pediatric research

authors： Yabuhara A,Kawai H,Komiyama A

更新日期：1990-10-01 00:00:00

abstract：:Neutrophils (PMN) from newborn calves generate significantly less superoxide anion (O2-) than do their adult counterparts after stimulation with direct protein kinase C agonists. To better understand this observation, we compared the activity and kinetics of NADPH oxidase in membrane fractions from phorbol 12-myristat...

journal_title：Pediatric research

authors： Doré M,Slauson DO,Neilsen NR

更新日期：1990-10-01 00:00:00

abstract：:Guinea pig gallbladder smooth muscle contractility undergoes a period of postnatal maturation. Because tissues from adult animals contract more forcefully than tissues from newborn animals when stimulated with agonists that activate the contractile process through different mechanisms (receptor activation, membrane de...

journal_title：Pediatric research

authors： Lambert R,Ryan JP

更新日期：1990-10-01 00:00:00

abstract：:Seven essentially healthy term infants who received gentamicin starting on the 1st day of life for prolonged rupture of membranes and maternal fever were compared with nine healthy term infants to determine whether this drug induces alterations in the auditory pathway. The auditory pathway was studied on the 3rd day o...

journal_title：Pediatric research

authors： Kohelet D,Usher M,Arbel E,Arlazoroff A,Goldberg M

更新日期：1990-09-01 00:00:00

abstract：:Tolazoline is used in neonatal intensive care to treat hypoxia secondary to persistent pulmonary hypertension of the newborn. Its use is often complicated by systemic hypotension. We compared the effect of tolazoline-induced hypotension on organ blood flow, regional brain blood flow, and cerebral metabolism in hypoxic...

journal_title：Pediatric research

authors： Balsan MJ,Cronin CM,Shaw MD,Milley JR

更新日期：1990-08-01 00:00:00

abstract：:Factors, such as insulin, found in human and pig colostrum and mature milk likely influence small intestinal growth and development. Although pharmacologic doses of insulin injected parenterally may accelerate small intestinal development in altricial animals such as the rodent, the effects of oral insulin on intestin...

journal_title：Pediatric research

authors： Shulman RJ

更新日期：1990-08-01 00:00:00

abstract：:We probed possible developmentally related changes in thin filament activity in rat hearts with the aid of calmidazolium (CDZ). CDZ is a calmodulin antagonist that also binds to troponin C and stimulates Ca2+ troponin C-dependent activation of cardiac myofibrillar contractile activity. In paired experiments, we compar...

journal_title：Pediatric research

authors： Murphy AM,Solaro RJ

更新日期：1990-07-01 00:00:00

abstract：:In human infants and newborn rats, white light at the intensity used to treat hyperbilirubinemia lowers serum calcium concentration. Occipital shielding or (in newborn rats) exogenous melatonin prevents this effect. Propranolol, by inhibiting melatonin synthesis, also causes hypocalcemia, which is preventable by melat...

journal_title：Pediatric research

authors： Hakanson DO,Bergstrom WH

更新日期：1990-06-01 00:00:00

abstract：:The ontogeny of glutamine uptake by jejunal brush border membrane vesicles was studied in suckling and weanling rats and compared with the data obtained from previous studies done on adult rats in our laboratory. Glutamine uptake represented transport into the intravesicular space rather than mere binding into the mem...

journal_title：Pediatric research

authors： al-Mahroos FT,Bulus N,Abumrad N,Said H,Ghishan FK

更新日期：1990-05-01 00:00:00

abstract：:The relationship between cerebral blood flow (CBF) and the evolution of brain edema was investigated in an experimental model of perinatal hypoxic-ischemic brain damage. Seven-d postnatal rats were subjected to unilateral common carotid artery ligation followed by 3 h of hypoxia with 8% oxygen at 37 degrees C. This in...

journal_title：Pediatric research

authors： Mujsce DJ,Christensen MA,Vannucci RC

更新日期：1990-05-01 00:00:00

abstract：:To describe the relation between scalp blood flow and transcutaneous PO2 and PCO2, these three signals were recorded simultaneously in eight experiments on four healthy lambs in the first weeks after birth. Scalp blood flow was recorded by a laser Doppler flow sensor that was incorporated in the transcutaneous PO2 ele...

journal_title：Pediatric research

authors： Smits TM,Aarnoudse JG,Zijlstra WG

更新日期：1990-05-01 00:00:00

abstract：:We have investigated the impaired secretion response of neonatal platelets. We compared the response of washed neonatal and adult platelets to thrombin and collagen, and to specific activators of calcium flux (inositol trisphosphate) and protein kinase C activation (oleoyl-acetyl glycerol). Neonatal platelets show no ...

journal_title：Pediatric research

authors： Israels SJ,Daniels M,McMillan EM

更新日期：1990-04-01 00:00:00

abstract：:In view of the suggested relationship between substrate availability, fetal growth and circulating fetal IGF-I concentrations, we investigated the effect of maternal starvation on plasma IGF-I levels in the late gestation ovine fetus. Ten fetuses aged 125-130 d gestation were sampled daily from indwelling arterial cat...

journal_title：Pediatric research

authors： Bassett NS,Oliver MH,Breier BH,Gluckman PD

更新日期：1990-04-01 00:00:00

abstract：:The development of the intestinal mucosal immune barrier is an important protective adaptation for postnatal life. The distribution and phenotype of T and B lymphocytes in human fetal intestine and lymphoid tissues have been characterized and compared to the distribution and phenotype of lymphocytes in postnatal intes...

journal_title：Pediatric research

authors： Russell GJ,Bhan AK,Winter HS

更新日期：1990-03-01 00:00:00

abstract：:We measured body composition, basal metabolic rate (BMR), and total energy expenditure in 28 nonobese and 35 obese adolescents aged 12-18 y using indirect calorimetry and the doubly labeled water method. BMR was highly correlated with fat-free mass in both the nonobese and obese groups (r = 0.77 and 0.84, respectively...

journal_title：Pediatric research

authors： Bandini LG,Schoeller DA,Dietz WH

更新日期：1990-02-01 00:00:00

abstract：:Pulmonary hypoplasia has been associated with absent or hypoplastic pulmonary artery in four cases in humans. Despite these reports, the effects of decreased pulmonary arterial flow on fetal lung growth have not been adequately studied. This study defines the effects of left pulmonary artery (LPA) ligation on fetal lu...

journal_title：Pediatric research

authors： Wallen LD,Perry SF,Alston JT,Maloney JE

更新日期：1990-02-01 00:00:00

abstract：:The metabolism of proteoglycans in normal growth plate and the changes in growth plate morphology induced by diabetes and malnutrition were studied in rats. The proteoglycans had a significantly faster turnover (half-life measured with [35S]sulfate labeling: 25-30 h) than the cells in the growth plate. Morphometric st...

journal_title：Pediatric research

authors： Axelsson I,Pita JC,Howell DS,Lorentzon R,Berman I,Boquist L

更新日期：1990-01-01 00:00:00

abstract：:We studied healthy and saline lavaged rabbits during high frequency oscillatory ventilation to determine what combination of frequency (f), tidal volume (Vt), and mean airway pressure (Paw) produced the lowest peak-to-peak alveolar pressure amplitude (Palv) and physiologic blood gas tensions. Sinusoidal volume changes...

journal_title：Pediatric research

authors： Kamitsuka MD,Boynton BR,Villanueva D,Vreeland PN,Frantz ID 3rd

更新日期：1990-01-01 00:00:00

abstract：:Twenty-two reported cases of neuroblastoma missed by the mass screening programs were reviewed (six cases in Sapporo City where a quantitative measurement for both vanillylmandelic acid (VMA) and homovanillic acid (HVA) is used and 16 cases in the districts of qualitative judgment only for VMA), and some potential fac...

journal_title：Pediatric research

authors： Nishi M,Miyake H,Takeda T,Takasugi N,Sato Y,Hanai J,Kawai T

更新日期：1989-12-01 00:00:00

abstract：:Whether severe hypoglycemia alone or in combination with hyperketonemia might cause deterioration of cardiac function has been controversial. Therefore, the influence of acute hypoglycemia (mean 33 mg/dL) with and without hyperketonemia (mean 1.3 and 3.3 mM) on cardiac function, substrate utilization, and myocardial h...

journal_title：Pediatric research

authors： Breuer J,Chung KJ,Pesonen E,Haas RH,Guth BD,Sahn DJ,Hesselink JR

更新日期：1989-12-01 00:00:00

abstract：:In dissociated whole brain cell cultures from newborn mice, we have previously shown that during glucose deprivation under normoxia, D-beta-hydroxybutyrate and oleic acid are increasingly used for energy production. We now asked whether this glucose dependency of the utilization of D-beta-hydroxybutyrate and oleic aci...

journal_title：Pediatric research

authors： Bossi E,Kohler E,Herschkowitz N

更新日期：1989-11-01 00:00:00

abstract：:Compliant immature airways sustain significant deformation following positive pressure ventilation. To evaluate the structural changes induced by in vivo positive pressure ventilation, tracheae of preterm lambs (107-116 d gestational age) were studied histologically. Nonventilated (group I: n = 7) and ventilated (grou...

journal_title：Pediatric research

authors： Deoras KS,Wolfson MR,Bhutani VK,Shaffer TH

更新日期：1989-11-01 00:00:00

abstract：:Sugar alcohols have been found to play an important osmoregulatory role both in unicellular organisms and, more recently, in multicellular organisms, including mammals. This study shows that myo-inositol accumulates in the brains of chronically hypernatremic mice, as had been earlier found in rats, and demonstrates fo...

journal_title：Pediatric research

authors： Thurston JH,Sherman WR,Hauhart RE,Kloepper RF

更新日期：1989-11-01 00:00:00

abstract：:Low IGF-I levels are found in patients with chronic liver disease, but it is not known whether these reductions in IGF-I are secondary to hepatic dysfunction or to malnutrition. To determine whether malnutrition associated with hepatic dysfunction causes the decrease in these levels, serum and liver IGF-I concentratio...

journal_title：Pediatric research

authors： Descos BP,Berry SA,Sharp HL,Gross CR,Weisdorf SA,Pescovitz OH

更新日期：1989-11-01 00:00:00

abstract：:We analyzed by means of immunoblot technique the patterns of antibodies binding to polypeptides of Borrelia burgdorferi B31 in the sera of 21 children with different stages of Lyme disease. All sera but one recognized the flagellar protein 41 kD and all but two the 83-kD protein. The number of proteins recognized rose...

journal_title：Pediatric research

authors： Nadal D,Taverna C,Hitzig WH

更新日期：1989-10-01 00:00:00

abstract：:We determined the inhibitory effects of concentrations of tin- and zinc protoporphyrin (1-100 microM) and mesoporphyrin (0.1-10 microM) on the in vitro heme oxygenase (HO) (E.C.1.14.99.3) activity in liver, spleen, and intestine 13,000 x g tissue supernatants from fasted adult male Wistar rats through measurement of c...

journal_title：Pediatric research

authors： Vreman HJ,Gillman MJ,Stevenson DK

更新日期：1989-10-01 00:00:00

abstract：:Carbohydrate and lipid intakes have both been found to modulate the metabolism of long-chain fatty acids. To define the respective influence of these two energy substrates on plasma fatty acid concentrations, 32 studies were performed in 16 parenterally fed newborn infants (mean +/- SEM, birth wt: 2.15 +/- 0.1 kg, age...

journal_title：Pediatric research

authors： Pineault M,Lepage G,Bisaillon S,Roy CC,Chessex P

更新日期：1989-10-01 00:00:00

abstract：:We have evaluated the effect of galanin (Gal), a newly identified hypothalamic peptide, on growth hormone (GH) secretion in 10 children with normal stature (NS), nine with constitutional growth delay (CGD), and five with isolated GH deficiency (IGHD). Gal was infused intravenously at a rate of 8 or 15 micrograms/kg/h....

journal_title：Pediatric research

authors： Loche S,Cella SG,Puggioni R,Stabilini L,Pintor C,Müller EE

更新日期：1989-10-01 00:00:00