Is the cancer process caused by deletion of one or more differentiation genes normally activated by steroid hormones?

abstract：:In mathematics and physics, chaos theory deals with the behavior of certain nonlinear dynamical systems that under certain conditions exhibit a phenomenon known as chaos, which is characterised by a sensitivity to initial conditions. Mathematicians paradoxically call such states of order chaos and distinguish them fro...

journal_title：Medical hypotheses

authors： Zifan A,Gharibzadeh S

更新日期：2006-01-01 00:00:00

abstract：:It has been proposed that combination of indole-3-acetic acid (IAA) and horseradish peroxidase (HRP) could be useful as the basis for targeted cancer therapy involving antibody-, polymer-, or gene-directed approaches. By circulating IAA in human body, the cells labeled with HRP could be selectively killed since cytoto...

journal_title：Medical hypotheses

authors： Kawano T

更新日期：2003-05-01 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：:Following the rate of proteoglycan synthesis as the metabolic parameter of the growth of cartilage cells, indicates that hormonal and local agents are two distinct types of extracellular regulators responsible for altering the basic metabolic rates of cells. Such changes in growth rate occur regularly at physiological...

journal_title：Medical hypotheses

authors： Nevo Z,Laron Z

更新日期：1980-04-01 00:00:00

abstract：:Deep brain stimulation of the pedunculopontine tegmental nucleus (PPTg) had usually been reported to improve the symptoms of advanced Parkinson's disease. Previous studies showed that neurons in the PPTg involved in the control of the sympathetic outflow to the kidneys. Our recent studies using transneuronal labeling ...

journal_title：Medical hypotheses

authors： Xiang HB,Liu C,Guo QQ,Li RC,Ye DW

更新日期：2011-12-01 00:00:00

abstract：:Initiation and development of atherosclerosis has largely been attributed to irregular shear stress patterns and values, in the current literature. Abnormalities such as low shear stress, reversing and oscillatory shear force patterns, as well as temporal variations of shear stress are the most cited factors. However,...

journal_title：Medical hypotheses

authors： Anssari-Benam A,Korakianitis T

更新日期：2013-08-01 00:00:00

abstract：:In this work some aspects of carcinogenesis are given. The importance of the emergence of Z or H DNA structure in the gene, or in the flanking gene sequences for the gene deletion and unusual gene recombination, is discussed. Some considerations on the role of selective pressure (of polyamines, of Mg2+, of the various...

journal_title：Medical hypotheses

authors： Juranic Z,Kidric M,Tomin R,Juranić I,Spuzić I,Petrović J

更新日期：1991-08-01 00:00:00

abstract：:Fibromyalgia (FM) is a debilitating, widespread pain disorder that is assumed to originate from inappropriate pain processing in the central nervous system. Psychological and behavioral factors are both believed to underlie the pathogenesis and complicate the treatment. This hypothesis, however, has not yet been suffi...

journal_title：Medical hypotheses

authors： Hulens M,Dankaerts W,Stalmans I,Somers A,Vansant G,Rasschaert R,Bruyninckx F

更新日期：2018-01-01 00:00:00

abstract：:The materno-fetal relationship is governed by critical levels of progesterone (P) and prostaglandin F2 alpha (PGF2 alpha). The 'see-saw' in concentration of these molecules maintain and terminate pregnancy in placental mammals. Apart from the enhancement or suppression of uterine contractility by PGF2 alpha and P resp...

journal_title：Medical hypotheses

authors： Pearson RD

更新日期：1980-10-01 00:00:00

abstract：:Exercise-induced hypoalgesia is characterised by a reduction in pain sensitivity following exercise. Recently, low intensity exercise performed with blood flow restriction has been shown to induce hypoalgesia. The purpose of this manuscript is to discuss the mechanisms of exercise-induced hypoalgesia and provide ratio...

journal_title：Medical hypotheses

authors： Hughes L,Patterson SD

更新日期：2019-11-01 00:00:00

abstract：:Autism is a pervasive developmental disorder that is characterized by the behavioral traits of impaired social cognition and communication, and repetitive and/or obsessive behavior and interests. Although there are many theories and speculations about the pathogenetic causes of autism, the disruption of the serotonerg...

journal_title：Medical hypotheses

authors： Sato K

更新日期：2013-04-01 00:00:00

abstract：:Traumatic iris sphincter tear has been thought to occur secondary to anteroposterior compression of the globe with defined forces lead to equatorial expansion and active pull along the corneoscleral junction and sphincter tear. However, here in this report, we elaborate the additional forces involved in the traumatic ...

journal_title：Medical hypotheses

authors： Pujari A,Agarwal D,Kumar Behera A,Bhaskaran K,Sharma N

更新日期：2019-01-01 00:00:00

abstract：:Schizophrenia, if not the most difficult, is one of the most difficult mysterious puzzles for psychiatrists, psychologists, and neuroscientists to solve. In this paper, based on the previously known pathologies of schizophrenia, a new model is proposed for explanation of the formation of positive psychotic symptoms of...

journal_title：Medical hypotheses

authors： Javanbakht A

更新日期：2006-01-01 00:00:00

abstract：:Abnormal fluctuations of acetylcholine and serotonin might cause, or be correlated with, a variety of symptoms. This communication cites evidence which suggests that fluctuations of serotonin might have a causative role in migraine, mania, and depression and that fluctuations of acetylcholine might have a causative ro...

journal_title：Medical hypotheses

authors： Brown DW

更新日期：1993-05-01 00:00:00

abstract：:The most important obstacle for preventing hypertension is the belief that systemic hypertension has no identifiable cause. This belief, hiding the main offender, sodium chloride, causes too much time wasting for combating against hypertension. Accepting that sodium chloride is a drug and re-evaluating the situation a...

journal_title：Medical hypotheses

authors： Tekol Y

更新日期：2006-01-01 00:00:00

abstract：:Since forced unilateral nostril breathing activates the contralateral brain hemisphere, an animal analogue of this technique could be provided by methylmethacrylate gluing large plastic pellets in either the right or left nostrils in a group of rats. A large number of physiological, pharmacological, and immunological ...

journal_title：Medical hypotheses

authors： Backon J

更新日期：1989-03-01 00:00:00

abstract：:This hypothesized reflex relates the vertical direction of gaze to the amount of tension exerted by the ciliary muscle. Based on simple observations the following is assumed. When looking downwards a tendency for closer focusing (near searching) exists even without a specific visual stimulus, whereas looking up favors...

journal_title：Medical hypotheses

authors： Blumenthal EZ

更新日期：1991-12-01 00:00:00

abstract：:Although it is well established that components of wheat gluten and structurally-related cereal proteins produce intestinal damage in Coeliac disease (CD), the primary defect which confers upon the host susceptibility to these dietary substances remains a mystery. To date, three main hypotheses have been framed to exp...

journal_title：Medical hypotheses

authors： Davidson AG,Bridges MA

更新日期：1988-07-01 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：:Submagnetic domain magnetic fluid particles of approximately 10 nm average diameter complexed with CD4 or monoclonal antibody and then injected into the patient, will localize to the cell membrane of the target cell. These ferrofluid particles will interact with an externally applied rotating magnetic field of rapidly...

journal_title：Medical hypotheses

authors： Peasley KW

更新日期：1996-01-01 00:00:00

abstract：:A mechanism of action for Panax ginseng (PG) and Eleutherococcus senticosus (ES) is proposed which explains how they could produce the paradoxical effect of sometimes increasing and sometimes decreasing the stress response. The mechanism suggests that this biphasic effect results from increased occupancy of positive a...

journal_title：Medical hypotheses

authors： Gaffney BT,Hügel HM,Rich PA

更新日期：2001-05-01 00:00:00

abstract：:Focal segmental glomerulosclerosis (FSGS) is a common cause of nephrotic disease in adults, and it is thought to be increasing in incidence. FSGS is often difficult to treat and even has a high propensity to relapse after transplant. Indeed, this suggests that there might be some circulating factor responsible for pro...

journal_title：Medical hypotheses

authors： Altschuler EL

更新日期：2001-12-01 00:00:00

abstract：:Ever since antimicrobial therapy was introduced, two phenomenons have been observed: drug resistance and host toxicity. Mutation(s) in microbes leads to the earlier, while off target effects of therapy cause the latter. Neither of these problems have yet to be resolved. All Microbes express specific antigens, against ...

journal_title：Medical hypotheses

authors： Singla M

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:Atrial fibrillation (AF) is the most common cardiac arrhythmia. Many studies have investigated the cause for the development of AF, however, the question remains unanswered. METHODS:A comparison of hydrodynamics between AF and sinus rhythm was performed. RESULTS:I proposed the hypothesis that atrial fibril...

journal_title：Medical hypotheses

authors： Tilman V

更新日期：2016-01-01 00:00:00

abstract：:Acute carbon monoxide (CO) poisoning causes the neurologic symptoms and brain lesions during both acute and delayed phase. We propose that catecholamine crises in globus pallidus and deep white matter are the key pathophysiological factors causing acute and delayed brain injuries respectively. Increased sympathetic ac...

journal_title：Medical hypotheses

authors： Park EJ,Min YG,Kim GW,Cho JP,Maeng WJ,Choi SC

更新日期：2014-08-01 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：:Physiological levels of estrogen would seem to have a possible protective effect on hearing function and estrogen replacement therapy may delay hearing loss in menopausal women. Treatment of healthy menopausal women with Tibolone for 6 months resulted in improvement in audiometry results at low frequencies which was m...

journal_title：Medical hypotheses

authors： Köşüş N,Köşüş A,Turhan NÖ

更新日期：2011-03-01 00:00:00

abstract：:Several earlier observations by us and other investigators led us to propose a thesis that B lymphocytes, when activated by a virus, allo-antigen or bacterial protein would enter into effector arm of the immune response and cause allograft and tumor rejection or GVH-type of lesion in immunosuppressed animals. These ef...

journal_title：Medical hypotheses

authors： Krishnan G

更新日期：1990-05-01 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：:The existence of homosexuality in humans poses a problem for evolutionary theory. Exclusive male homosexuality has a catastrophic effect on reproduction and yet inherited factors appear to contribute to it. Previous attempts to resolve this conundrum are inconsistent with aspects of evolutionary theory. Additional lim...

journal_title：Medical hypotheses

authors： Dewar CS

更新日期：2003-02-01 00:00:00