abstract：:It has been shown by Elmets et al. (1) that ultraviolet irradiation of the skin followed by the application of a normally sensitizing antigen results in tolerance induction to the antigen. This tolerance is due to the induction of suppressor T-cells specific for the antigen. Multiple sclerosis is more common in certai...

journal_title：Medical hypotheses

authors： Sharpe RJ

更新日期：1986-04-01 00:00:00

abstract：:The various neurotransmitter systems postulated to be involved in the pathogenesis of Gilles de la Tourette syndrome(GTS) are described with special reference to the endogenous opioid system(EOS). Malfunction of the opioid system is proposed as the underlying disturbance in this disease causing secondary dysfunction o...

journal_title：Medical hypotheses

authors： Gillman MA,Sandyk R

更新日期：1986-04-01 00:00:00

abstract：:Hypotheses regarding the factors that predispose individuals to developing AIDS after exposure to HTLV-III/LAV are beginning to emerge. It is suggested here that surgical removal of tonsils in childhood may increase the risk of developing opportunistic infections after infection with this newly discovered retrovirus. ...

journal_title：Medical hypotheses

authors： McCombie SC

更新日期：1986-03-01 00:00:00

abstract：:Natural objects, live and inanimate, actively maintain their entities by using their capacities (i.e., properties, internal resources, mechanisms, and experience) adequately to their needs. It is suggested that the principle of adequate function is a law of nature. ...

journal_title：Medical hypotheses

authors： Yabrov A

更新日期：1986-03-01 00:00:00

abstract：:Neuroleptic-induced tardive dyskinesia represents a major serious side-effect of chronic therapy with neuroleptic drugs. The pathomechanisms underlying this disorder are not well understood. Although the dopaminergic supersensitivity theory has gained most attention, there is evidence to suggest involvement of other t...

journal_title：Medical hypotheses

authors： Sandyk R

更新日期：1986-01-01 00:00:00

abstract：:Oral water irrigation devices (WIDs) are widely used for oral physiotherapy in homes and dental clinics throughout the world. A major area of concern in the use of WIDs has been the possibility of injury to the sulcular epithelium and underlying tissue. There are several documented clinical cases of tissue injury with...

journal_title：Medical hypotheses

authors： Reddy NP,Kesavan SK

更新日期：1985-12-01 00:00:00

abstract：:According to the theory presented herewith, neoplasia results solely from stem cell depletion. Besides serving as tissue progenitors, stem cells are postulated to secrete a vital substance 'A' necessary for proper tissue function. Carcinogens interfere with 'A' production mainly by destroying stem cells and since the ...

journal_title：Medical hypotheses

authors： Zajicek G

更新日期：1985-11-01 00:00:00

abstract：:In this communication I propose a technique for manipulating the idiotype anti-idiotype network with the aim of enhancing the immune response to tumors. The theoretical basis for this technique follows from Jerne's network theory of the immune system. By tolerizing the host to immunoglobulin bearing idiotypes directed...

journal_title：Medical hypotheses

authors： Sharpe RJ

更新日期：1985-11-01 00:00:00

abstract：:Previous papers of our group have reported that, in the first stages of nutritional recovery, the needs of undernourished infants, in terms of Protein Calories percentage (P%) were higher than normal, and similar to those of other mammals which double their birth weight faster than man. During this period, a high diet...

journal_title：Medical hypotheses

authors： Portela ML,Zeni S,Río ME

更新日期：1985-10-01 00:00:00

abstract：:Endogenous lectins of normal tissues can play a functional role in recognition processes and cell adhesion. These functions are areas of particular relevance to tumor growth and metastasis. Our initial results on endogenous lectins of different tumors lead to the working hypothesis that the pattern of endogenous lecti...

journal_title：Medical hypotheses

authors： Gabius HJ,Engelhardt R,Cramer F

更新日期：1985-09-01 00:00:00

abstract：:A new hypothesis is presented to explain some aspects of human smoking behaviour. While acknowledging the importance of the nicotine self-titration phenomenon, changes in puffing intensity during the smoking of a single cigarette are related not to the control of nicotine uptake but to the modification of cigarette sm...

journal_title：Medical hypotheses

authors： Chamberlain AT,Higenbottam TW

更新日期：1985-08-01 00:00:00

abstract：:Over the last century and a half there has been a secular decline in the age of menarche in Western, industrialized cultures. This trend has been largely ascribed to improved nutrition and health, and we offer an alternative hypothesis that changes in socio-economic conditions have resulted in changes in the pheromona...

journal_title：Medical hypotheses

authors： Burger J,Gochfeld M

更新日期：1985-05-01 00:00:00

abstract：:The authors present an extended version of Clark's and Ariëns's classical theory that enables the interpretation and quantitative characterization of dose-response curves which are not in accordance with classical theory. Being supported by the chemical receptor theory, the new model expands its applicability to two o...

journal_title：Medical hypotheses

authors： Várkonyi P,Gabányi Z,Körmöczy P

更新日期：1985-04-01 00:00:00

abstract：:The theory presented herewith provides a unified explanation for neoplasia and teratogenesis, both regarded here as stem cell disorders. Proliferating cells in the organism form two mutually exclusive classes, immortal stem cells and transitional cells whose life span is limited. Any lasting change in the organism e.g...

journal_title：Medical hypotheses

authors： Zajicek G

更新日期：1985-03-01 00:00:00

abstract：:We describe here a new technique for analyzing human growth curves using a first order kinetic representation. Plotting in ([h infinity-ht)/h infinity] vs time (where h infinity and ht represent the final and instantaneous heights) transforms growth curves into 3 linear phases and 2 interphases. These growth parameter...

journal_title：Medical hypotheses

authors： Schreiber G,Baron B

更新日期：1985-02-01 00:00:00

abstract：:High doses of oestrogens in the dog and ferret cause myeloid hyperplasia in the bone marrow superseded by hypoplasia affecting all cell lines. In the peripheral blood after an initial leucocytosis, there is thrombocytopenia, anaemia and leucopenia. These effects, which are ultimately lethal, do not occur in cats, rats...

journal_title：Medical hypotheses

authors： Hart JE

更新日期：1985-02-01 00:00:00

abstract：:A steady fall in mortality rates from cardiovascular diseases (CVD) has been reported recently in the United States. This study tests the hypothesis that fruits and vegetables had a protective effect against cardiovascular mortality among the American population from 1964-78. Special attention was focused on more spec...

journal_title：Medical hypotheses

authors： Verlangieri AJ,Kapeghian JC,el-Dean S,Bush M

更新日期：1985-01-01 00:00:00

abstract：:Nitrosamines have been identified in vaginal secretions of women with trichomoniasis. Both nitrites and amines the elements for nitrosamine synthesis are produced by the abnormal-predominantly anaerobic-vaginal flora of patients with bacterial vaginosis/trichomoniasis. The final formation of nitrosamines could also de...

journal_title：Medical hypotheses

authors： Pavić N

更新日期：1984-12-01 00:00:00

abstract：:A five-step hypothesis on the pathogenesis of Hodgkin's disease (HD) is presented. Weak immune suppressor activity gives a predisposition for the development of the disease, after which a non-specific immune stimulation can initiate a self-perpetuating uncontrolled stimulation between interdigitating cells (IDCs), mac...

journal_title：Medical hypotheses

authors： Zwitter M

更新日期：1984-12-01 00:00:00

abstract：:One of the most commonly alleged contraindications to the use of (ethylene diamine tetraacetic acid) chelation therapy is possible renal damage. In this experiment, 13 subjects with chronic degenerative disorders and with renal damage were treated with infusions that included EDTA, vitamins, mineral and oral supplemen...

journal_title：Medical hypotheses

authors： Sehnert KW,Clague AF,Cheraskin E

更新日期：1984-11-01 00:00:00

abstract：:The secretion of Follicle Stimulating Hormone by the pituitary gland is not regulated entirely by the negative feedback from gonadal steroids. There is ample evidence that the secretion of FSH is regulated by a non-steroidal hormone of gonadal origin termed "inhibin". Using a radioimmunoassay procedure, immunoreactive...

journal_title：Medical hypotheses

authors： Sheth AR,Vanage GR,Hurkadli KS,Sheth NA

更新日期：1984-10-01 00:00:00

abstract：:The modified base 5-methylcytidine has been found in the DNA of a number of different eukaryotic cells where it occurs principally in the dinucleotide sequence -CmpG- which is present as a palindrome in double-strand nucleic acid molecules. There is considerable evidence to indicate and suggest that 5-methylcytosine s...

journal_title：Medical hypotheses

authors： Hawtrey AO,Ariatti M

更新日期：1984-10-01 00:00:00

abstract：:Is sleep especially beneficial in times of illness? Despite the widespread use of hypnotics, the medical position on this question is equivocal, for hospital practices seem rarely designed to encourage maximum sleeping. Sleep promotion is defined as the arrangement of conditions so that patients can achieve as much sl...

journal_title：Medical hypotheses

authors： Cumming G

更新日期：1984-09-01 00:00:00

abstract：:There are differences in male and female height throughout the growth period. Utilising reference standard height charts we calculated the difference in male and female height as a function of age. A triphasic relationship was observed with statistically significant peaks (males greater than females) at 8 months and 1...

journal_title：Medical hypotheses

authors： Schreiber G,Baron B

更新日期：1984-07-01 00:00:00

abstract：:It is suggested here that a Hemoglobin S (HbS)-mediated membrane oxidant injury is responsible for both the protection from malaria infection in the heterozygous sickle cell state, and for a critical pathologic process in homozygous sickle cell disease. This suggestion is arrived at by applying to the HbS condition th...

journal_title：Medical hypotheses

authors： Anastasi J

更新日期：1984-07-01 00:00:00

abstract：:Calcification is the most characteristic pathologic feature of healed meconium peritonitis. Occurrence of calcification in meconium peritonitis has been reported, but its mechanism has not been discussed. According to our studies, the cause of calcification and giant cell reaction is meconium peritonitis is related to...

journal_title：Medical hypotheses

authors： Forouhar F

更新日期：1984-05-01 00:00:00

abstract：:A comparison is made of the x-ray induced thyroid adenocarcinoma in the rat by the in-vitro, in-vivo method of Clifton et al. with previous data of Doniach on in-vivo irradiation in whole animals. The Clifton data consists of only one point at 500 rad. I have assumed that the probability of transformation per viable c...

journal_title：Medical hypotheses

authors： Rosen P

更新日期：1984-04-01 00:00:00

abstract：:It is postulated that the angiogenic potential of tissues is influenced by the fine structure of heparan glycosaminoglycans present in the tissues. Possible mechanisms involved are discussed. It is suggested that compounds chemically related to heparans might usefully act as inhibitors of pathological angiogenesis. ...

journal_title：Medical hypotheses

authors： Long WF,Williamson FB

更新日期：1984-04-01 00:00:00

abstract：:In Burkitt's lymphoma, dental structures may provide the route for Epstein-Barr virus (EBV) in saliva to penetrate the jaws, thereby promoting tumor formation. In children, EBV could enter tooth sockets exposed following deciduous tooth loss and thereby contact jaw marrow lymphocytes stimulating neoplastic transformat...

journal_title：Medical hypotheses

authors： Lorber M

更新日期：1983-12-01 00:00:00

abstract：:The hypothesis is put forward that coronary heart disease (CHD) arises from a chronic imbalance between anabolism and catabolism in the body, induced by the psychosocial environment and mediated through the central nervous system (CNS) and neuroendocrine system. Psychosocial demands increase periods of waking arousal ...

journal_title：Medical hypotheses

authors： StGeorge DP

更新日期：1983-11-01 00:00:00

abstract：:Guinea-pigs sensitised to ovalbumen excrete the antigen in their urine in a therapeutic concentration which prevents anaphylactic death after injection of a challenge dose of the ovalbumen. Sublingual administration of the correct dose of urine from allergic patients also provides therapeutic control of their allergic...

journal_title：Medical hypotheses

authors： Wilson CW,Lewis A

更新日期：1983-10-01 00:00:00

abstract：:Historically, cluster reports have been considered to be only marginally productive and generally discouraged as statistical artifacts. This report presents the results of a three year study involving in excess of 100 cancer cluster reports. The majority of these investigations represented statistical events; there we...

journal_title：Medical hypotheses

authors： Aldrich TE,Garcia N,Ziechner S,Berger S

更新日期：1983-09-01 00:00:00

abstract：:It is suggested that apart from aflatoxins, plant medicinal preparations containing active compounds imperatorin, dictamine, marmesin and heraclenin may be responsible for some human cancers in Nigeria and perhaps other parts of Africa. Therefore, in this paper, a hypothesis is put forward that these compounds or thei...

journal_title：Medical hypotheses

authors： Adekunle AA,Adekunle LV

更新日期：1983-07-01 00:00:00

abstract：:It is postulated that the metabolically variable fine structure of pericellular heparan glycosaminoglycans affects the ability of these molecules to influence cell proliferation-associated proteinase-catalysed reactions occurring at cell surfaces. Evidence suggesting the possibility of a wide repertoire of glycosamino...

journal_title：Medical hypotheses

authors： Long WF,Williamson FB

更新日期：1983-07-01 00:00:00

abstract：:Information about the etiology of pressure sores has been contradictory and is inconsistent with the idea that pressure sore formation is due extensively to depriving a tissue region of blood. Based on these observations and on studies done in the cooperating laboratories, an hypothesis has been formulated that integr...

journal_title：Medical hypotheses

authors： Krouskop TA

更新日期：1983-06-01 00:00:00

abstract：:In light of the progressive, pubertal increases in serum gonadotropin (FSH, LH) levels coinciding with the peak incidence of simple goiters; the common alpha subunits associated with the gonadotropins, TSH and hCG; the ability of LH and hCG to bind to thyroid TSH receptors and affect thyroid function; and, the probabl...

journal_title：Medical hypotheses

authors： DiNicola AF

更新日期：1983-04-01 00:00:00

abstract：:The therapeutic efficacy of thalidomide in erythema nodosum leprosum suggests that thalidomide might play a useful therapeutic role in other human immune-complex diseases. Thalidomide has shown anti-inflammatory or immunosuppressive actions in several animal models. Current evidence suggests that its rapid activity in...

journal_title：Medical hypotheses

authors： Hendler SS,McCarty MF

更新日期：1983-04-01 00:00:00

abstract：:The cancer cell appears to contain two non phosphorylating glycolytic pathways in addition to phosphorylating glycolysis and the aerobic citric acid and phosphogluconate cycles. It is hypothesised that these pathways are all interconnected and in the static adult cell non phosphorylating glycolysis is in a state of co...

journal_title：Medical hypotheses

authors： Holt JA

更新日期：1983-02-01 00:00:00

abstract：:A review of the literature shows that x-ray induced lung adenomas in mice, breast adenomas in rats and thyroid adenomas in rats show the same approximate dependence for number of tumors vs dose. It is hypothesized that these benign tumors are due to cell proliferation. The controls of the G1 stage of the cell cycle ha...

journal_title：Medical hypotheses

authors： Rosen P

更新日期：1983-01-01 00:00:00

abstract：:For a number of years, the principal attention was accorded total serum cholesterol as a possible predictor of cardiovascular pathosis. More recently, emphasis has been shifted to the high-density lipoproteins (HDL). Now consideration is turning to the ratio of total serum cholesterol to high-density lipoproteins. In ...

journal_title：Medical hypotheses

authors： McDonagh EW,Rudolph CJ,Cheraskin E

更新日期：1982-12-01 00:00:00