Sudden infant death syndrome: a hypothesis.

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：:We developed a new hypothesis claiming that natriuresis of fasting is not only caused by diminished insulin resistance and hyperinsulinaemia with the subsequent reduction of renal sodium retention but it can also be attributed to the function of the leptin-NPY system. Each element of this concept has been substantiate...

journal_title：Medical hypotheses

authors： Sulyok E,Tulassay T

更新日期：2001-05-01 00:00:00

abstract：:Cancer cells proliferate and metastasize against the body's defense mechanisms due to their ability to change in response to challenges, both from the body's internal defenses as well as those from external sources, such as radiation and chemotherapy. This ability of tumor cell populations to change and grow in respon...

journal_title：Medical hypotheses

authors： Pienta KJ,Ward WS

更新日期：1994-01-01 00:00:00

abstract：:Digital ulcers (DU) are a common manifestation of systemic sclerosis (SSc) and occur at a variety of locations including the fingertips and over the extensor aspects of the hands. However, most recent clinical trials have included only fingertip DUs as these are believed to be ischaemic in aetiology, and therefore lik...

journal_title：Medical hypotheses

authors： Hughes M,Murray A,Denton CP,Herrick AL

更新日期：2018-07-01 00:00:00

abstract：:Many clinical trials have clearly demonstrated the benefit of statins in the prevention of coronary heart disease. Although other effects have subsequently been described, the so-called pleiotropic effects of statins, there is a tendency to relate all those effects, more or less directly, to inhibition of 3-hydroxy-3-...

journal_title：Medical hypotheses

authors： Negrão MR,Mota A,Azevedo I,Martins MJ

更新日期：2006-01-01 00:00:00

abstract：:This evidence, then, would suggest that the olive becomes active when, with a change in the motor task, the motor performance is required to adjust to the new circumstance. From Smith's experiments on blood pressure, it is extrapolated that the olive becomes active when there is a change in the physiological state, an...

journal_title：Medical hypotheses

authors： Kennedy PR

更新日期：1978-11-01 00:00:00

abstract：:Trypanosomiasis (whether African sleeping sickness, or American Chaga's disease) is caused by an infection with a protozoan parasite, i.e. the trypanosome. This carries fatal sequences in the untreated host. Currently available chemotherapeutic drugs (some of which cure by involving reactive oxygen species (ROS] are n...

journal_title：Medical hypotheses

authors： Eze MO

更新日期：1991-11-01 00:00:00

abstract：:For diagnosis of Human Immunodeficiency Virus (HIV) infection by the recently developed Polymerase Chain Reaction (PCR), the two commonly used clinical samples are either the peripheral blood monocytes (PBMC) or the plasma of the infected individuals. In the former instance, DNA is extracted from PBMC. The integrated ...

journal_title：Medical hypotheses

authors： Nandi J,Banerjee K

更新日期：1993-01-01 00:00:00

abstract：:Diabetes is a global public health challenge that imposes heavy burdens on communities and individuals. Metformin, the first-line medication for diabetes, has the superiority of reducing risk of macrovascular diseases, all-cause mortality and even possibly cancers. Recent observational studies, however, have demonstra...

journal_title：Medical hypotheses

authors： Xu L,Huang Z,He X,Wan X,Fang D,Li Y

更新日期：2013-08-01 00:00:00

abstract：:Synthetic ligands of the retinoid X receptor (RXR) have shown antidiabetic activity in mice, apparently owing to the fact that they stimulate the transcriptional activity of PPAR-gamma/RXR heterodimers, much like thiazolidinedione drugs. The chlorophyll metabolite phytanic acid has been shown to be a natural ligand fo...

journal_title：Medical hypotheses

authors： McCarty MF

更新日期：2001-02-01 00:00:00

abstract：:Coronavirus Disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) represents the largest current health challenge for the society. At the moment, the therapeutic strategies to deal with this disease are only supportive. It is well known that zinc (Zn) possesses a variety of dir...

journal_title：Medical hypotheses

authors： Kumar A,Kubota Y,Chernov M,Kasuya H

更新日期：2020-11-01 00:00:00

abstract：:The author presents evidence from published papers of research done by numerous investigators that Multiple Sclerosis (MS) is an autoimmune disease, that the target tissue is the myelin sheath which covers the nerve fibers in the brain and spinal cord, that Myelin Basic Protein (MBP) is the antigen or one of the antig...

journal_title：Medical hypotheses

authors： Eidinoff H

更新日期：1988-06-01 00:00:00

abstract：:Recent articles about the roles and relationships of tissue inhibitor of metalloproteinase-1 and transforming growth factor-beta 1 in various types of normal tissues and malignancies give rise to the question: 'Is there a relationship between them with regard to malignant melanoma progression?' In the light of many re...

journal_title：Medical hypotheses

authors： Kurdoglu M,Güllü IH,Akalin I

更新日期：2001-08-01 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：:The "Gamma Loop" Part I compared a model of rubber tubing to the architecture of the glomerulus with emphasis placed on the observed relationship between the position of the outflow resistance clamp and the perfusion of the loop (1, 2). Part II describes the pressures observed in the different parts of the loop, as we...

journal_title：Medical hypotheses

authors： Gatzek WJ,Wells SC

更新日期：1989-05-01 00:00:00

abstract：:Open-angle glaucoma, idiopathic intracranial hypertension, and Meniere's disease are disorders managed by different specialties in medicine viz. ophthalmology, neurology, and otorhinolaryngology respectively. By working in silos, the similarity of these disorders is overlooked. Close inspection of these disorders reve...

journal_title：Medical hypotheses

authors： Moodley A,Van Der Meyden K

更新日期：2019-11-01 00:00:00

abstract：:The dissimilarities in spin-lattice relaxation time (T1) of water proton from one tumor to the other is due to the yield of hypoxic fraction in the tumor. The yield of higher relaxation time (T1) in the KHT tumor compared to the RIF-1 tumor as a function of growth is due to the hypoxic fraction of the tumor. The hypox...

journal_title：Medical hypotheses

authors： Akber SF

更新日期：1992-01-01 00:00:00

abstract：:Pulmonary congestion is a hallmark feature of heart failure and is a major reason for hospital admissions in this patient population. Heart failure patients often demonstrate restrictive and obstructive pulmonary function abnormalities; however, the mechanisms of these changes remain controversial. It has been suggest...

journal_title：Medical hypotheses

authors： Ceridon M,Wanner A,Johnson BD

更新日期：2009-09-01 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：:High level contamination by natural and industrial sources of the alkali earth metal, barium (Ba) has been identified in the ecosystems/workplaces that are associated with high incidence clustering of multiple sclerosis (MS) and other neurodegenerative diseases such as the transmissible spongiform encephalopathies (TS...

journal_title：Medical hypotheses

authors： Purdey M

更新日期：2004-01-01 00:00:00

abstract：:In a survey based on the biographical sketches, obituary notes and eulogies of notable scientists, eight were identified as belonging to an elite group, having authored more than 1000 research publications, which include books, monographs and patents. They were, in chronological order, Thomas Alva Edison, Paul Karrer,...

journal_title：Medical hypotheses

authors： Kantha SS

更新日期：1992-10-01 00:00:00

abstract：:HIV may induce subclinical neuroendocrine dysfunctions in some seropositive patients and these dysfunctions may be one of the co-factors that determine the pathogenesis of AIDS. ...

journal_title：Medical hypotheses

authors： Salomon JC

更新日期：1988-09-01 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：:The mechanism by which polyglutamine expansions in several proteins lead to neurodegenerative disorders remains largely unknown. The biochemical properties of polyglutamine repeats suggest one possible explanation; endolytic cleavage at a glutaminyl-glutaminyl bond followed by pyroglutamate formation may contribute to...

journal_title：Medical hypotheses

authors： Saido TC

更新日期：2000-03-01 00:00:00

abstract：:Immune competence is considered as a state of equilibrium between humoral and cellular immunity. This notion fits well with the functionally antagonistic cytokine profiles in cell groups of CD4(+)-helper cells as described by Mosmann and Coffman. The Th-1 cells release mainly IL-2, IL-12 and IFN gamma and thereby stim...

journal_title：Medical hypotheses

authors： Hässig A,Wen-Xi L,Stampfli K

更新日期：1996-06-01 00:00:00

abstract：:Genome imprinting has an essential role in normal embryonal mammalian development. Starting early in differentiation, the transcripts of certain human genes, e.g. the paternally-H19 and the maternally-imprinted IGF2, are expressed in specific tissues and organs during fetal life. In several malignant disorders, imprin...

journal_title：Medical hypotheses

authors： Biran H,Ariel I,De Groot N,Hochberg A

更新日期：1994-08-01 00:00:00

abstract：:Considerations are given to special features of the nuclear envelope that might occasion segmental exchange between sister chromatids. The underlying dynamics may lead to illegal apposition of originally distant sequences and/or to modulations in the topologic orientation of genes on chromatid segments involved in suc...

journal_title：Medical hypotheses

authors： Matioli GT

更新日期：1991-12-01 00:00:00

abstract：:Neural tube defect (NTD) is more common among spontaneously aborted fetuses than in infants born in the third trimester, but there is no direct evidence that NTD-affected conceptuses, presenting at these two different gestational ages, are components of a single disease process. Evidence for homology is here presented...

journal_title：Medical hypotheses

authors： Machin GA

更新日期：1979-02-01 00:00:00

abstract：:Parkinson's disease (PD) is a long-term degenerative disease that primarily affects the motor system of the central nervous system. This disease is difficult to diagnose and is one of the common diseases in the public. In this paper, we have proposed a novel data sampling method for the classification of Parkinson dis...

journal_title：Medical hypotheses

authors： Polat K,Nour M

更新日期：2020-03-16 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