Gallstones, the choledochoduodenal junction and initiation of acute pancreatitis: are two stones the culprits rather than one stone?

abstract：:Multiple sclerosis (MS) is a neurodegenerative disease of uncertain etiology. In MS, neurodegeneration is thought to be secondary to autoimmune-mediated damage. However, no cohesive explanation yet exists as to how environmental factors interact to induce a neurodegenerative autoimmune response. Insufficient sunlight ...

journal_title：Medical hypotheses

authors： Hayes CE,Donald Acheson E

更新日期：2008-01-01 00:00:00

abstract：:Cannabis use has often been associated with various forms of psychosis. Today it is well established that everyone produces marijuana-like compounds known as endocannabinoids. The endocannabinoid system is a homeostatic regulator of all body systems including the nervous system. As a result, imbalances in the endocann...

journal_title：Medical hypotheses

authors： Melamede R

更新日期：2009-02-01 00:00:00

abstract：:Lymphocytes of the CD8 phenotype play an important role in controlling viral burden in HIV-1 infection. Cytotoxic CD8+ T lymphocytes (CTL) can kill HIV-infected cells and in addition, are able to secrete a soluble factor that inhibits HIV replication. In most cases, HIV-infected individuals experience an unexplained C...

journal_title：Medical hypotheses

authors： Mercure L,Wainberg MA

更新日期：1994-03-01 00:00:00

abstract：:Researchers have recently reported a possible inverse relationship between taking steroids or non-steroidal anti-inflammatory drugs, or both, and the development of Alzheimer's disease. In this article it is hypothesized that the reduction in the human body of the amount of available arachidonic acid, the precursor of...

journal_title：Medical hypotheses

authors： Newman PE

更新日期：1998-04-01 00:00:00

abstract：:Schizophrenia has a polygenic mode of inheritance and an estimated heritability of over 80%, but success in understanding its genetic underpinnings to date has been modest. Unlike in trinucleotide neurodegenerative disorders, the phenomenon of genetic anticipation observed in schizophrenia or bipolar disorder has not ...

journal_title：Medical hypotheses

authors： Hegde MV,Saraph AA

更新日期：2011-08-01 00:00:00

abstract：:Numerous studies have shown that opioids and cannabinoids share some pharmacological properties. Accordingly, similarly to opioids, tolerance and dependence develops after chronic use of cannabinoids. Nitric oxide (NO) has been shown to play important roles both in opioid- and cannabinoid-induced tolerance and depende...

journal_title：Medical hypotheses

authors： Ulugol A

更新日期：2009-08-01 00:00:00

abstract：:Numerous studies indicate that aberrant amyloid precursor protein metabolism, elevated peroxidative damage, depressed energy metabolism and altered calcium homeostasis are four pivotal deleterious factors in the pathogenesis of Alzheimer's disease. Cumulative evidence further suggests that these four factors are intim...

journal_title：Medical hypotheses

authors： Ying W

更新日期：1996-05-01 00:00:00

abstract：:Knowledge about how information is stored in neurons of animals and in the human brain is still incomplete. A hypothesis related to long-term changes in synaptic efficiency has strong experimental support, but does not seem to be able to explain all observations. It has recently been proposed that magnetite together w...

journal_title：Medical hypotheses

authors： Alfsen EM,Størmer FC,Njå A,Walløe L

更新日期：2018-10-01 00:00:00

abstract：:In this work a new theory of acoustic signal detection in the inner ear and an experimental explanation of the causes of bifilar cochlear structure was presented. Our innovative approach describes sound detection in a completely different way from the one currently adopted. It requires analyzing the inner ear system i...

journal_title：Medical hypotheses

authors： Dora J,Wojcieszak D,Kaczmarek D,Mazur M,Aksenczuk A

更新日期：2020-02-18 00:00:00

abstract：:Essential hypertension is a heterogeneous multifactorial syndrome associated with a high cardiovascular risk. A multiple choice of antihypertensive drugs is available; however, a high individual variability to the antihypertensive therapy is still responsible for a modest reduction of the CV risk and not satisfactory ...

journal_title：Medical hypotheses

authors： Ferrari P,Ferrandi M,Valentini G,Manunta P,Bianchi G

更新日期：2007-01-01 00:00:00

abstract：:It has been hypothesized that sulfite oxidase deficient persons may be at increased risk to toxicity from SO2 and dietary sulfites widely used for food preservation. Sulfite oxidase is believed to be responsible for the detoxification of SO2 and/or sulfite to sulfate for excretion. Human and animal studies have shown ...

journal_title：Medical hypotheses

authors： Calabrese E,Sacco C,Moore G,DiNardi S

更新日期：1981-02-01 00:00:00

abstract：:Increased chemotactic activity of peripheral polymorphonuclear (PMN) cells has been described in disease states of different etiology and may represent a common pathway in the generation of an inflammatory reaction. The suppressive effect of colchicine on PMN chemotaxis may explain its effect in apparently unrelated d...

journal_title：Medical hypotheses

authors： Levy M,Ehrenfeld M,Gallily R,Eliakim M

更新日期：1981-01-01 00:00:00

abstract：:In observing the phenomenon of alterations of tumor cell phenotypes, one may envision a mechanism that induces the change in tumor cell characteristics and the appearance of metastasis. Schirrmacher (1) has suggested that the effect of the microenvironment on tumor cells influences the control of gene expression and t...

journal_title：Medical hypotheses

authors： Klein BY

更新日期：1981-05-01 00:00:00

abstract：:The present study developed a feature selection (FS)-based decision support system using the electroencephalography (EEG) signals recorded from neonates with and without seizures. The study employed 10 different FS algorithms to reduce the classification cost by using fewer features and to improve the classification p...

journal_title：Medical hypotheses

authors： Açıkoğlu M,Tuncer SA

更新日期：2020-02-01 00:00:00

abstract：:Prion protein, known as Prp(c), is a GPI-anchored membrane bound glycoprotein ubiquitously expressed in the body. To date, the precise nature of its physiological role remains a mystery. The prion protein's presence on neurons and immune effector cells suggests a dual neurological and immunological function. Some cons...

journal_title：Medical hypotheses

authors： McBride SM

更新日期：2005-01-01 00:00:00

abstract：:Thrombotic thrombocytopenic purpura (TTP) is a severe, occlusive, thrombotic microangiopathy characterized by a systemic platelet aggregation, organ ischemia, profound thrombocytopenia and erythrocyte fragmentation. Recent observations have documented that a deficiency of a von Willebrand factor (VWF)-cleaving proteas...

journal_title：Medical hypotheses

authors： Franchini M

更新日期：2005-01-01 00:00:00

abstract：:Ergothioneine is believed not to be synthesized by man but it accumulates to high concentrations in some mammalian cells as a result of dietary intake. Ergothioneine is known to chelate divalent metal ions with high affinity. Other substances which are potent chelators of divalent metal ions such as diphenylthiocarbaz...

journal_title：Medical hypotheses

authors： Epand RM

更新日期：1982-08-01 00:00:00

abstract：:This novel, iso-osmo-resistive theory offers electro-resistivity of food components as a new dimension for digestion. Firstly, fats, carbohydrates and proteins differ markedly in their resistivity, which offers a way to monitor them, especially when digestive enzymes cause consistent and distinctive changes. Secondly ...

journal_title：Medical hypotheses

authors： Sutton JA

更新日期：2019-09-01 00:00:00

abstract：:The classical form of Barlow's disease or infantile scurvy, with bruises, broken bones and sores that will not heal, is rarely seen today, but it seems to be reappearing under a different guise, when infants with borderline vitamin C depletion are assaulted with too many inoculations at one time.Moreover, it is now so...

journal_title：Medical hypotheses

authors： Clemetson CA

更新日期：2002-07-01 00:00:00

abstract：:In early synovitides the tissue inflammatory cell reaction is often weak and sometimes absent, many alterations being consistent with nonvasculitic exudation (I). Increased permeability to protein may require little, if any, endothelial damage. In rheumatoid arthritis (RA) increased transfer of fluid and protein from ...

journal_title：Medical hypotheses

authors： Ahlqvist J

更新日期：1982-07-01 00:00:00

abstract：:Recent investigations on protease inhibitors in articular cartilage have provided new insights into the possible initial lesions of osteoarthrosis. A hypothesis has been formulated based upon an impaired ability of chondrocytes to synthesize protease inhibitors, which leads to loss of matrix integrity and vascular inv...

journal_title：Medical hypotheses

authors： Stephens RW,Ghosh P,Taylor TK

更新日期：1979-07-01 00:00:00

abstract：:So far, the pathogenesis of Alzheimer's disease (AD) has not been clarified, nor has patient therapy been satisfactory. Although inheritance dominates the less frequent early-onset AD in young and middle-aged individuals, environmental and immunogenetic factors have been identified in the most frequently occurring lat...

journal_title：Medical hypotheses

authors： Laumbacher B,Fellerhoff-Loesch B,Wank R

更新日期：2017-02-01 00:00:00

abstract：:The problem how tumor cells get the metastatic ability is still a hot debate. Based on the premise that the default state of normal cells is quiescent rather than mobile, the classic progression and early metastasis model suggested that tumor metastasis should be an acquired trait contributed by the late or early gene...

journal_title：Medical hypotheses

authors： Zhang LJ,Li H,Zhang LY,Gu Y,Song Y,Li F,Jiang LN,Li Q,Zhang HZ,Zhang F

更新日期：2010-05-01 00:00:00

abstract：:Hypotheses generally conform to paradigms which, over time, change, usually tardily, after they have become increasingly difficult to sustain under the impact of non-conforming evidence and alternative hypotheses, but more important, when they no longer are comfortably ensconced in the surrounding social-economic-poli...

journal_title：Medical hypotheses

authors： Kaellis E

更新日期：2006-01-01 00:00:00

abstract：:Based on a consideration of biochemical mechanisms, rational methods for the prevention of cancer and for its positive regression are presented. It is demonstrated that the means employed are fundamentally opposed so that if the preventive method were to be used after the onset of cancer, it would only accelerate its ...

journal_title：Medical hypotheses

authors： Duchesne J

更新日期：1981-04-01 00:00:00

abstract：:Six medical papyri document how Santorini's volcanic ash from the Bronze Age biphasic eruption, otherwise attested by material retrieved at the bottom of lakes at the edge of the Nile Delta, severely affected the health of the inhabitants of Egypt as well as their society as a whole. Treatments for burns caused by par...

journal_title：Medical hypotheses

authors： Trevisanato SI

更新日期：2006-01-01 00:00:00

abstract：:Styrene is one of the most important plastic monomers worldwide. Styrene-7,8-oxide (SO), the major in-vivo metabolite of styrene, is classified as probably carcinogenic to humans and carcinogenic in rodents. Biological monitoring of exposure to styrene is usually carried out by determination of mandelic acid and pheny...

journal_title：Medical hypotheses

authors： Marczynski B,Peel M,Baur X

更新日期：2000-04-01 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

abstract：:Learning disability, attentional disorder and childhood major depression are frequent diagnoses in children with behavioral disturbances and impaired school performance. All three disorders are associated with right cerebral hemisphere dysfunction. Anatomical disturbance of right hemisphere function results in learnin...

journal_title：Medical hypotheses

authors： Brumback RA,Staton RD

更新日期：1982-05-01 00:00:00

abstract：:COVID-19 exacts a disproportionate toll on both the elderly and those with diabetes; these patients are more likely to require costly intensive care, longer hospitalisation, and die from complications. Nations would thus find it extremely difficult to either lift or sustain socially, economically, and politically dama...

journal_title：Medical hypotheses

authors： Wee AKH

更新日期：2021-01-01 00:00:00