The correlation of hematopoietic stem cells with cancer stem cells through the regulation of stromal cells in tumor microenvironment.

abstract：:Can consciousness be understood as the ongoing active creation of information (of meaning)? 'Emergence', the central concept in this hypothesis, plays an essentially different role in it than in theories previously proposed. ...

journal_title：Medical hypotheses

authors： Atkin A

更新日期：1992-08-01 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：:Vasopressin is now commonly used to control bleeding during surgery of the cervix. In larger intravenous doses, vasopressin can cause coronary artery vasoconstriction and increase systemic vascular resistance. Nicotine has a similar effect on the coronary circulation. The effects of combining both these drugs has not ...

journal_title：Medical hypotheses

authors： Groudine SB,Morley JN

更新日期：1996-07-01 00:00:00

abstract：:All kinds of hypotheses have been proposed to explain the mechanism of tumorigenesis. Up until now, we have not had any generally acknowledged model that helps us understand the process. In this paper, I propose a dynamic model of how tumor cells escape the supervision of the immune system; I also examine the possibil...

journal_title：Medical hypotheses

authors： Cai DW

更新日期：1995-05-01 00:00:00

abstract：:Epilepsy is a chronic neurologic disorder which often induces numerous adverse long-term neurologic effects, such as behavioral and cognitive deficits, increased predisposition to additional seizures, and cell injury or death. Cognitive dysfunction, depression, anxiety and sleep disorders are some of the highly preval...

journal_title：Medical hypotheses

authors： Vimala PV,Bhutada PS,Patel FR

更新日期：2014-01-01 00:00:00

abstract：:A meniscal graft extrusion is still an unresolved problem that affects most patients after a meniscal transplantation. Despite the advances in surgical techniques, together with the improved methods for a meniscal allograft sizing, success is only observed in up to 75% of patients after they experience a meniscal allo...

journal_title：Medical hypotheses

authors： Łuczkiewicz P,Daszkiewicz K,Chróścielewski J,Witkowski W,Kuik L

更新日期：2017-04-01 00:00:00

abstract：:The AIDS dementia complex and peripheral neuropathy in AIDS are considered to be direct or indirect manifestations of HIV infection, yet the pathogenesis in unclear. There are parallels between AIDS and Tangier disease clinically and histopathologically and in lipid metabolism. The neurological disorders in AIDS may b...

journal_title：Medical hypotheses

authors： Falkenbach A,Klauke S,Althoff PH

更新日期：1990-09-01 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：:The science of osteoimmunology, a relatively new field of research, reveals the important interactions between the immune system and skeletal system. Interactions occur between prostaglandin metabolism, inflammatory proteins and bone metabolism. Systemic as well as local sources of inflammation appear to be actively i...

journal_title：Medical hypotheses

authors： van Esch RW,Kool MM,van As S

更新日期：2013-08-01 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：:For American medical historiography, to borrow from Dickens, these are the best of times and the worst of times. These are the times when rigorous scholarship has been brought to bear on the field (with great improvement in the quality of research) and when medicine is disappearing from its own history. These are the ...

journal_title：Medical hypotheses

authors： Prioreschi P

更新日期：1992-06-01 00:00:00

abstract：:The persistent use of different forms of nicotine replacement therapy (NRT) is an under-investigated issue in medical research. While the data concerning the proportion of long-term users in the population of total NRT users seems reassuring at first glance, we must recognize that the small relative numbers (proportio...

journal_title：Medical hypotheses

authors： Dome P

更新日期：2011-12-01 00:00:00

abstract：:Pro-inflammatory peptides present in wheat and related grains are associated with celiac disease and non-celiac gluten sensitivity. We hypothesize that these peptides induce enteric responses that may exacerbate the gastrointestinal manifestations of graft-versus-host disease after an allogeneic hematopoietic stem cel...

journal_title：Medical hypotheses

authors： Neuman T,David K,Cooper D,Strair R

更新日期：2017-07-01 00:00:00

abstract：:Epidural haematoma in newborn infants is rare, and few specific obstetrical data related to its formation are available in the literature. The aim of this study is to discuss the pathophysiology of this condition. EDH is always a post traumatic lesion and it is only possible if the insult has produced a cleavage of th...

journal_title：Medical hypotheses

authors： Hamlat A,Heckly A,Adn M,Poulain P

更新日期：2006-01-01 00:00:00

abstract：:In a previous paper we predicted that health effects of dietary fats in humans would require half a century or more to be understood, instead of the decade or so predicted during 1956 by an Editorial in The Lancet. It would seem that our prediction may have been optimistic since it has now been reported that trans uns...

journal_title：Medical hypotheses

authors： Booyens J,van der Merwe CF

更新日期：1992-04-01 00:00:00

abstract：:Functional, excessive-possibly temporary-deficiencies of the trace element zinc can change immune functions prematurely from predominantly cellular Th1 responses to humoral Th2 responses. T helper (Th1) cells produce cytokines such as interleukin-2 (IL-2) and interferon gamma, thereby controlling viral infections and ...

journal_title：Medical hypotheses

authors： Sprietsma JE

更新日期：1997-07-01 00:00:00

abstract：:Chloroquine is one of the antimalaria drugs, also used to treat rheumatoid arthritis and systemic lupus erythematosus (SLE). Although well tolerated in most individuals, it was suggested that chloroquine can exert a profound influence on renal function, especially in individuals with compromised body fluid status. How...

journal_title：Medical hypotheses

authors： Ahmed MH,Osman MM

更新日期：2007-01-01 00:00:00

abstract：:Acid hydrolysis of components from the diet in the stomach require the presence of an acid and a hydrolysing agent. The acid involved is hydrochloric acid. The present mechanism of hydrochloric acid production in the stomach is demonstrated to be incompatible with measured intracellular or intercellular concentrations...

journal_title：Medical hypotheses

authors： Robertson DS

更新日期：2005-01-01 00:00:00

abstract：:Observations which show that urine output can vary with changes in the contour of the pulse cure, that it can even increase while the mean blood pressure falls during counterpulsation, that the well known hypertensive effect of a renal artery stenosis can also be produced by an aneurysm of the renal artery, cannot be ...

journal_title：Medical hypotheses

authors： Gatzek WJ

更新日期：1978-05-01 00:00:00

abstract：:The thickness of the choroid is measured on the optical coherence tomography (OCT) as the distance between the hyperreflective retinal pigment epithelium and the hyperreflective chorio-scleral junction, contributed by the choroidal vessels and choroidal melanocytes. Our hypothesis is that the amount of absorption and ...

journal_title：Medical hypotheses

authors： Venkatesh R,Reddy NG,Chhablani J

更新日期：2021-01-01 00:00:00

abstract：:Personality trait research has shown associations with many genes, prominently those of the catecholamine metabolism such as dopamine beta hydroxylase (DBH), catechol-O-methyltransferase (COMT), and monoamine oxidase A (MAOA). Because DBH gene is in linkage disequilibrium with ABO gene, there is reason to think that o...

journal_title：Medical hypotheses

authors： Hobgood DK

更新日期：2011-08-01 00:00:00

abstract：:The measurement of urinary neopterin and biopterin may be an important non-specific diagnostic tool. Urinary biopterin has been found to be decreased in parkinsonian patients, and in hyperphenylalanemia as a variant of phenylketonuria. Urinary neopterin has been found to be elevated in numerous conditions. It has been...

journal_title：Medical hypotheses

authors： Rabinoff M

更新日期：1989-08-01 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：:Logic, a fundamental component of research in the exact sciences is often not applied in prominent fields of medical research. Investigation into the aetiopathogenesis of headache, vertigo, and fatigue--acknowledged as the commonest and amongst the most prominent and debilitating of symptoms known to mankind--may be s...

journal_title：Medical hypotheses

authors： Eidelman D

更新日期：1990-04-01 00:00:00

abstract：:Oxygen therapy, usually administered by a facemask or nasal cannulae, is the current default treatment of respiratory failure. Since respiration entails intake of oxygen and release of carbon dioxide from tissues as waste product, the notion of administering carbon dioxide in respiratory failure appears counter-intuit...

journal_title：Medical hypotheses

authors： Julu POO,Shah M,Monro JA,Puri BK

更新日期：2018-01-01 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：:Although Still's disease has been first described more than one century ago, it still appears as an orphan entity, which should be separated from the other auto-inflammatory diseases (AID). The main reason to individualize Still's disease among the AID is the absence of any genetic predisposition. Recently, the human ...

journal_title：Medical hypotheses

authors： Hayem F,Hayem G

更新日期：2012-08-01 00:00:00

abstract：:The cause and therapy of neurodegenerative diseases remain unsolved puzzles. These diseases are correlated with presence of beta sheet-rich amyloid assemblies. Here, I derive and assemble puzzle pieces to obtain a loose end-tying hypothesis for cause with direct implications for therapy. I use the following extrapolat...

journal_title：Medical hypotheses

authors： Serwer P

更新日期：2018-01-01 00:00:00

abstract：:Mood expressions encompassing positive scales like "activity, elation, contemplation, calmness" and negative scales like "anger, excitement, depression, fatigue" were applied for introducing a new tool to assess the effects of acupuncture on brain structures. Traditional acupuncture points defined in the literature fo...

journal_title：Medical hypotheses

authors： Acker H,Schmidt-Rathjens C,Acker T,Fandrey J,Ehleben W

更新日期：2015-09-01 00:00:00

abstract：:Limbic associated pelvic pain is a proposed pathophysiology designed to explain features commonly encountered in patients with chronic pelvic pain, including the presence of multiple pain diagnoses, the frequency of previous abuse, the minimal or discordant pathologic changes of the involved organs, the paradoxical ef...

journal_title：Medical hypotheses

authors： Fenton BW

更新日期：2007-01-01 00:00:00