解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::The major central part of elastic ligaments is constituted by longitudinally orientated elastic fibres, each surrounded by a sheath of spirally orientated collagen fibrils with an intervening thin layer of microfibrils. In the terminal region of such ligaments the orientation of the collagen fibrils is longitudinal an...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4684-9093-0_9
更新日期:1977-01-01 00:00:00
abstract::A long term culture of aortic medial cells, derived from newborn pig aorta, has been established. The ability of these cells to synthesize soluble elastin has been demonstrated by isolation and characterization of the radioactively labeled protein, using soluble elastin of copper-deficient pig aorta as the carrier. Th...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4684-9093-0_35
更新日期:1977-01-01 00:00:00
abstract::B-locus genotypes have been defined in Obese strain (OS) chickens that spontaneously develop autoimmune thyroiditis (SAT), and in White Leghorn Cornell C strain (CS) chickens from which the OS was selected. The B-locus influences SAT, and some possible mechanisms are discussed. Thymic abnormalities in OS, as contraste...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4613-4169-7_29
更新日期:1977-01-01 00:00:00
abstract::Ethanol has been shown to induce a shift in catecholamine metabolism peripherally from normally oxidative pathways to reductive pathways. The mechanisms of this effect may result from competitive inhibition of aldehyde dehydrogenase by acetaldehyde. The shift in metabolism cannot be found in brain and alterations in c...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章,评审
doi:10.1007/978-1-4899-5181-6_33
更新日期:1977-01-01 00:00:00
abstract::The relation of the cortex, cerebellum, and basal ganglia and their participation in movement disorders is presented. Studies have shown that lesions to the cortex will produce contralateral paralysis while damage to the basal ganglia or cerebellum will result in movement abnormalities. These data provide support for ...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4684-2511-6_5
更新日期:1977-01-01 00:00:00
abstract::The renal alterations induced by alkali-treated protein and lysinoalanine are reviewed and their biological implications discussed. Alkali-treated proteins and lysinoalanine, an unusual amino acid formed in proteins during alkali treatment, have been shown to produce a renal alteration characterized by nuclear and cyt...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章,评审
doi:10.1007/978-1-4757-9113-6_2
更新日期:1977-01-01 00:00:00
abstract::Disulfide-containing proteins offer unique advantages for mechanistic studies of the formation of native three-dimensional structure from unordered, reduced precursors. The main advantage is that covalent intermediates are formed; by characterizing these intermediates, one obtains substantial information about the rea...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章,评审
doi:10.1007/978-1-4684-3282-4_3
更新日期:1977-01-01 00:00:00
abstract::Chinese hamster ovary (CHO) cells previously selected in a single-step for resistance to one or two different lectins and assigned to individual phenotypic groups on the basis of their unique patterns of lectin resistance, have been examined for their lectin-binding abilites. The lectin-binding parameters of CHO cells...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4684-3279-4_13
更新日期:1977-01-01 00:00:00
abstract::Inorganic lead ion, in micromolar concentrations, reversibly inhibits the sodium-plus-potassium-activated adenosinetriphosphatase (ATPase) and potassium-activated p-nitrophenylphosphatase (NPPase) activities of microsomal fractions from electric organ, rat kidney, and rat brain. In the presence of 3 mM MgC12 and 3 mM ...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4684-3279-4_21
更新日期:1977-01-01 00:00:00
abstract::Pepstatin is a low molecular weight, potent inhibitor specific for acid proteases with a Ki value of about 10(-10)M for pepsin. The chemical structure of pepstatin is essentially a hexapeptide which contains two residues of an unusual amino acid, 4-amino-3-hydroxy-6-methylheptanoic acid (statine). The complete structu...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4757-0719-9_12
更新日期:1977-01-01 00:00:00
abstract::A substantial knowledge has been collected on the dose-dependent toxic effects of ethanol. Whereas ethanol probably is the chemical substance exerting most toxic effects in many populations, a quantitative estimate of the upper limit of long term safe consumption from a toxicological and public health standpoint has n...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章,评审
doi:10.1007/978-1-4615-9038-5_26
更新日期:1977-01-01 00:00:00
abstract::Previous results have shown that alcohol has an effect on vision and on the excitability of retinal neurons. Action potentials of single ganglion cells were recorded by microelectrodes in opened and excised eyes from frogs (Rana temporaria L.). Histologically two types of synapses have been described in the retina: co...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4615-9038-5_13
更新日期:1977-01-01 00:00:00
abstract::Procedures used for the complete enzymic hydrolysis of proteins are reviewed. The successful application of complete enzymic hydrolysis in the detection of naturally occurring isopeptide crosslinks and various other types of chemically introduced crosslinks is described. The method may fail if the level of crosslinkin...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4757-9113-6_19
更新日期:1977-01-01 00:00:00
abstract::A survey of 48 inbred lines derived from five sources in the United States and Europe revealed considerable genetic polymorphism of the CS-1 gene. A minimum of ten alleles were detected as unique combinations of CS-1 specificities. The relationship of some of the alleles would indicate that intracistronic recombinatio...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4613-4169-7_34
更新日期:1977-01-01 00:00:00
abstract::The results of selective breeding for differential impairment of motor activity after alcohol injection is shown for the first 13 generations of the LA and MA rat strains. In F13 rats, the mean decrement of activity after 1.5 g ethanol per kg i/p. is 90% for MA rats and 42% for LA rats, the strain difference significa...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4899-5181-6_5
更新日期:1977-01-01 00:00:00
abstract::Gout disease in our country as both exogenous factors (dietary habits, professions, etc.) and endogenous factors (sex, inheritance, etc.) play a polygenic role in its incidence. Those conditions resulting in hyperuricemia (diseases, drugs, etc.) facilitate the clinical manifestations. But a genetic determinant in the ...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4684-3285-5_32
更新日期:1977-01-01 00:00:00
abstract::The ultrastructural organization of elastin has been studied by scanning and transmission electron microscopy of negatively stained specimens coupled with optical diffraction analyses. Purified elastin results from a composite assembly of interwoven branched and twisted thread-like entities of decreasing diameter. The...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4684-9093-0_10
更新日期:1977-01-01 00:00:00
abstract::The effects of acute administration of either water or 2% NaCl solution via a stomach tube and injections of diurecits, furosemide (5, 10 mg) and acetazoleamide (5, 20 mg per rat), in adult rats upon urinary kallikrein (Kal), Na and K, were studied. Hyperhydration with water (5% b.w.) produced in 121% increase and 2% ...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4684-3267-1_43
更新日期:1976-01-01 00:00:00
abstract::From the biochemical and developmental data in the literature, there appears to be some specific relationship of gangliosides to synapses. Whether the concentration of polysialo-gangliosides is located in the immediately pre-synaptic part of the neuronal plasma membrane is not known. There are many unanswered question...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章,评审
doi:10.1007/978-1-4614-4614-9_9
更新日期:1976-01-01 00:00:00
abstract::There was great individual variation in the elevations of serum cholesterol concentrations in a Wistar strain of rats by the ingestion of a large amount of cholesterol, although their cholesterol concentrations were almost identical while under the feeding of a regular stock diet. Their serum total phospholipid and de...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4614-4618-7_16
更新日期:1976-01-01 00:00:00
abstract::In a primary and secondary MLC the in vitro immunogenicity of allogeneic PHA induced blast cells (which lack i region coded determinants) was compared to that of LPS imduced blast cells. Unlike LPS induced blast lymphocytes (stimulator cells) which induced high cytotoxic activity, PHA induced blast cells were found to...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4613-4355-4_49
更新日期:1976-01-01 00:00:00
abstract::The RCR of malate+glutamate oxidation of isolated rat brain mitochondria decreased with increasing duration of anoxia and it ceased completely in the 12 hour ischemic group. After one hour of ischemic anoxia neither the respiration of mitochondria nor their morphology altered irreversibly. There is a strong correlatio...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4684-3273-2_20
更新日期:1976-01-01 00:00:00
abstract::Both hepatic lipogenesis from glucose and gluconeogenesis from lactate are inhibited by substrates for mixed function oxidation such as aminopyrine. These effects are inducible with phenobarbital pretreatment and absent with a demethylated product of aminopyrine metabolism, aminophenylpyrazolone. The data indicate tha...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章,评审
doi:10.1007/978-1-4615-9026-2_25
更新日期:1975-01-01 00:00:00
abstract::Tetrahydropapaveroline, the tetrahydroisoquinoline alkaloid derived from dopamine, is converted in vivo by rats and by rat liver and brain preparations to tetrahydroprotoberberine alkaloids. The latter alkaloids have also been identified for the first time in the urine of parkinsonian patients receiving L-dopa therapy...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章,评审
doi:10.1007/978-1-4757-0632-1_6
更新日期:1975-01-01 00:00:00
abstract::These experiments did not answer the question of whether one or several UDG-glucuronyltransferases are present in endoplasmic membranes of the liver. However, they present results which indicate that the glucuronlytransferase (s) have several properties in common with the hydroxylating cytochrome P-450 dependent enzym...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4615-9026-2_23
更新日期:1975-01-01 00:00:00
abstract::Intact and viable parenchymal and non-parenchymal liver cell preparations were isolated by enzyme perfusion techniques from young and old rats. The distribution of the lysosomal enzymes acid phosphatase, beta-galactosidase, cathepsin D, acid DNAse, and arylsulphatase B over parenchymal and non-parenchymal cells was de...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4757-0731-1_12
更新日期:1975-01-01 00:00:00
abstract::(1) Height, weight, total body potassium, exchangeable sodium, bromide space, total body water and concentrations of sodium, potassium and chloride in plasma were measured in control subjects and individuals suffering from alcoholism, with techniques which included body counting and a multiple isotope method using 24N...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4757-0632-1_17
更新日期:1975-01-01 00:00:00
abstract::Cytochrome P-450 has been purified from liver microsomes of phenobarbital-induced rabbits in the presence of ionic and nonionic detergents to concentrations over 17 nmoles per mg of protein. The purified cytochrome P-450 LM gives a single major band on SDS-polyacrylamide gel electrophoresis representing about 90 per c...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4615-9026-2_2
更新日期:1975-01-01 00:00:00
abstract::The rate of the process of ageing studied in this work as well as of other ageing processes observed by us constantly decreases with increasing age. By an adaptation of exponential functions to series of measurements it is possible to estimate the theoretically possible end stage of histological ageing processes for e...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4757-0731-1_37
更新日期:1975-01-01 00:00:00
abstract::The absolute weight of the rat's kidney increases from 3 weeks to 3 months and from 3 months to 12 months. The relative weight decreases. The number of cells freed from the kidney by trypsinization increases. (2) After nephrectomy, the kidney weight increases in all age groups. The increase is mery high in the younges...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4757-0731-1_24
更新日期:1975-01-01 00:00:00
abstract::Protein synthesis initiation factors present in a crude 0.5 M KCL microsomal wash fraction were isolated from the livers of immature rats that had been injected either 2 or 17 hours earlier with the plycyclic hydrocarbon, 3-methylcholanthrene (3MC), and then were tested for their ability to stimulate natural mRNA-dire...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4615-9026-2_10
更新日期:1975-01-01 00:00:00
abstract::Five human leukocyte long-term suspension cultures were investigated by means of cytochemical and cytogenetic methods. A striking resemblance in the morphology of these cells originating either from peripheral blood or from spleen of patients with or without hematological disorders was found. Lymphocytic origin of all...
journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
doi:10.1007/978-1-4757-0731-1_15
更新日期:1975-01-01 00:00:00