A two-piece dental implant comprising a replaceable thin titanium sleeve may be a new approach to re-osseointegration following peri-implant disease.

abstract：:Mesenchymal stem cells (MSCs) therapy has emerged as a potent therapeutic strategy to improve myocardial infarction. However MSCs therapy encounters a few obstacles regarding the poor viability of the transplanted cells. Therefore, it is important to explore a strategy to enhance post-transplanted MSC viability. To ov...

journal_title：Medical hypotheses

authors： Sharifi AM,Mottaghi S

更新日期：2012-04-01 00:00:00

abstract：:We present a plausible and powerful explanation for nicotine addiction that is consistent with recent findings. Sleep apnea, the periodic cessation of breathing during sleep, may be responsible for the addictive nature of nicotine. The main symptoms of sleep apnea are somnolence and obesity. Nicotine has been shown to...

journal_title：Medical hypotheses

authors： Schrand JR

更新日期：1996-12-01 00:00:00

abstract：:For many years there was a general belief that the enzyme renin, having been secreted into the circulation by the kidney in response to appropriate stimuli, initially generates the inactive decapeptide angiotensin I in the bloodstream. This is then converted to the biologically active octapeptide angiotensin II by ang...

journal_title：Medical hypotheses

authors： Duckworth AJ,Goodship AE,Kendall HJ,Osborn EC

更新日期：2001-04-01 00:00:00

abstract：:Bipedal locomotion and fine motility of hand and larynx of humans introduced musculoskeletal adaptations, new pyramidal, corticostriatal, corticobulbar, nigrostriatal, and cerebellar pathways and expansions of prefrontal, cingular, parieto-temporal and occipital cortices with derived new brain capabilities. All select...

journal_title：Medical hypotheses

authors： Ghika J

更新日期：2008-11-01 00:00:00

abstract：:Since 1960, the incidence of melanoma has increased dramatically in Caucasians worldwide, and during the past decade has risen at a rate of 6% a year in the USA. A hypothesis regarding this increased incidence suggests that the prevalent use of antibacterial soaps that contain photosensitizing compounds may be a risk ...

journal_title：Medical hypotheses

authors： Arbesman H

更新日期：1999-07-01 00:00:00

abstract：:Einstein is often quoted to have said that without the bee, mankind would have but 4years to live. It is highly unlikely that he made this comment, which was even mentioned in a Lancet article on honey bees. However, the current vanishing of the bees can have serious consequences for human health, because 35% of the h...

journal_title：Medical hypotheses

authors： Stindl R,Stindl W Jr

更新日期：2010-10-01 00:00:00

abstract：:Non-invasive molecular analysis of fetal DNA is the diagnostic goal of prenatal medicine. Circulating fetal DNA can be detected in maternal plasma. Recently, it has been detected in the urine of pregnant women. We hypothesize that fetal DNA is present also in maternal saliva and that advances in stabilization and isol...

journal_title：Medical hypotheses

authors： Vlková B,Szemes T,Minárik G,Turna J,Celec P

更新日期：2010-02-01 00:00:00

abstract：:To discuss the possible pathogenesis of outlet obstructive constipation (OOC) and identify the theoretical basis of the Procedure for Prolapse and Hemorrhoids (PPH) used to treat outlet obstructive constipation (OOC). 19 patients diagnosed with outlet obstructive constipation (OOC) form the case group, and 9 healthy v...

journal_title：Medical hypotheses

authors： Qin Z,Pang L,Dai W,Yan W,Zhang J,Zhao Y,Li Q,Wu K,Zhou B

更新日期：2015-07-01 00:00:00

abstract：:Most of the body iron is found within hemoglobin in red cells (the erythron), a smaller amount being distributed in other tissues such as muscles and in deposits. Iron homeostasis is a finely tuned process in which the most important regulators are probably the liver-derived hepcidin which blocks iron absorption and d...

journal_title：Medical hypotheses

authors： Cucuianu A,Patiu M,Trifa AP,Tomuleasa C,Dima D

更新日期：2014-11-01 00:00:00

abstract：:Studies have reported an increasing incidence of thyroid cancer worldwide. The reasons are likely related to improved imaging modalities, altered histopathologic criteria for diagnosis of thyroid cancer, and nuclear exposure. However, the classical assumption derived from epidemiological studies is that it should be q...

journal_title：Medical hypotheses

authors： Gursoy A

更新日期：2010-01-01 00:00:00

abstract：:Neurofibromatosis 1 is a common heritable disorder. The gene causing neurofibromatosis 1 had been recognized and the protein encoded by this gene, neurofibromin, was supposed to play a role in development of various tissues. Neurofibromin was found to have GTP-ase (GAP) domain against small p21 ras. IQGAP1 is another ...

journal_title：Medical hypotheses

authors： Abdel-Wanis ME,Kawahara N

更新日期：2001-03-01 00:00:00

abstract：:Given the reports made about dogs detecting cancer on the basis of odour, our hypothesis is that the volatile organic compounds produced by tumours, and detected by dogs, are products of MHC genes. Two lines of evidences support this hypothesis: (1) human body odour is genetically determined by MHC. These antigen mole...

journal_title：Medical hypotheses

authors： Balseiro SC,Correia HR

更新日期：2006-01-01 00:00:00

abstract：:Sleep paralysis (SP) is a common condition occurring either at sleep onset or sleep offset. During SP the sleeper experiences gross motor paralysis while the sensory system is clear. Hypnogogic and hypnopompic hallucinations are common during SP and may involve seeing, hearing, and sensing the presence of menacing int...

journal_title：Medical hypotheses

authors： Jalal B,Ramachandran VS

更新日期：2014-12-01 00:00:00

abstract：:Purpura fulminans is a life threatening complication of many septic states, most notably meningococcaemia. It can also occur due to congenital deficiency of anticoagulant proteins. The pathophysiology of purpura fulminans is complex and not fully understood, but involves abnormalities of coagulation pathways, damage t...

journal_title：Medical hypotheses

authors： Oram J,Bodenham A

更新日期：2008-01-01 00:00:00

abstract：:The results described in this paper partially agree with the hypothesis that mesenteric lymph nodes (MLN) of depleted growing rats recover their antigen specific determinants after the oral administration of 20% casein for 5-9 days following the time course of antigen dependent changes observed in virgin lymph nodes. ...

journal_title：Medical hypotheses

authors： Langini SH,López MC,Slobodianik NH,Sanahuja JC,Rio ME,Roux ME

更新日期：1987-08-01 00:00:00

abstract：:Memory is a complex cognition that plays a critical role in daily functioning. This review discusses the dynamic effects of acute exercise on memory function, via a hypothesized exercise-memory interaction model, taking into consideration multiple memory systems and exercise parameters. ...

journal_title：Medical hypotheses

authors： Loprinzi PD

更新日期：2019-05-01 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：:Interleukin (IL)-17 is a pro-inflammatory cytokine originally described in T lymphocytes. Increased production of IL-17 has been linked to the induction of cytokines, chemokines and adhesion molecules in various cell types, effects that likely contribute to a number of inflammatory diseases including rheumatoid arthri...

journal_title：Medical hypotheses

authors： Csiszar A,Ungvari Z

更新日期：2004-01-01 00:00:00

abstract：:The paper based on the hypothesis that mechanical impulses cause the transmission of excitement in the peripheral and central nervous system. Possible connections between changes in the tubular neuronal network and the morphological findings of Alzheimer's disease are presented. Additionally, changes in the viscosity ...

journal_title：Medical hypotheses

authors： Barz H,Barz U

更新日期：2014-05-01 00:00:00

abstract：:Chronic Fatigue Syndrome is a physiological state in which the patient feels high levels of fatigue without an obvious organic cause, which affects around 1 in 400 people in the developed world. A wide range of causes have been suggested, including immune or hormonal dysfunction, viral or bacterial infection, and psyc...

journal_title：Medical hypotheses

authors： Bains W

更新日期：2008-10-01 00:00:00

abstract：:The objective of this work is to propose a biomechanical model of sacro-iliac joint dysfunction as a cause of low back pain. Sacro-iliac joint is known to be a source of low back pain. We also know that it is a very stable joint with little mobility. Surrounding lower limb and back muscles contribute a major part of t...

journal_title：Medical hypotheses

authors： Hossain M,Nokes LD

更新日期：2005-01-01 00:00:00

abstract：:Neuronal degeneration in the post-menopausal term leads to cognitive symptoms such as anxiety, difficulty in concentrating, overreacting to minor upsets, quickly becoming irritated and forgetfulness in approximately 70-80% of all women around the world. These symptoms, which result from microtubule damage in the axon ...

journal_title：Medical hypotheses

authors： Karamese M,Aksak S,Gundogdu OB,Unal B

更新日期：2013-09-01 00:00:00

abstract：:A holistic-organismic approach is suggested as foundation for intensified, systematic inquiry into relationships among adult attachment styles and various dimensions of physical and mental health. Exploratory findings of differences in stamina associated with adult attachment style are noted. The extent to which attac...

journal_title：Medical hypotheses

authors： Pellegrini RJ,Hicks RA,Camagna-Foley TF,Donato M

更新日期：2003-07-01 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：:We tested the hypothesis that if SPECT/CT-detected volumes of active and inactive parts of brain tissue present correlation with the results of hyperbaric oxygen therapy (HBOT) of ischemic stroke, SPECT imaging may serve as a selective tool for post-stroke patients to indicate cases that may significantly benefit from...

journal_title：Medical hypotheses

authors： Golan H,Makogon B,Volkov O,Smolyakov Y,Hadanny A,Efrati S

更新日期：2020-03-01 00:00:00

abstract：:Multidrug resistance (MDR) is a phenomenon expressed by many tumors affecting the chemotherapy efficacy, treatment decision, and the disease prognosis. Considering its great implication, non-invasive approaches are needed to identify this phenomenon in early stages of the disease. This article discusses the potential ...

journal_title：Medical hypotheses

authors： Elkadi OA,Abdelbasset M

更新日期：2016-04-01 00:00:00

abstract：:Yawning is a stereotyped event that occurs in humans and animals from fish to mammals, but neither its mechanisms nor its functions are entirely known. Its widespread nature suggests that it has important physiological functions. It is associated with stretching of muscles in a large area, but the function of this str...

journal_title：Medical hypotheses

authors： Matikainen J,Elo H

更新日期：2008-01-01 00:00:00

abstract：:Vaccines are effective in preventing disease by stimulating the immune system and sustaining an immune response towards eradication of pathogens and diseased cells. However, designing successful vaccines is not always straightforward. For a vaccine to be successful, antigen-presenting cells (APC) need to be stimulated...

journal_title：Medical hypotheses

authors： Ilag LL

更新日期：2011-10-01 00:00:00

abstract：:Metastasis is the leading cause of cancer death, yet it is mechanistically considered a very inefficient process suggesting the presence of some sort of (e.g. systemic) routes for fuelling the process. The pre-metastatic niche formation is described as one such metastasis promoting route. Now, the emerging potentials ...

journal_title：Medical hypotheses

authors： Ghasemi R,Grassadonia A,Tinari N,Piccolo E,Natoli C,Tomao F,Iacobelli S

更新日期：2013-01-01 00:00:00

abstract：:We would like to put forward the hypothesis that cancer patients may produce autoantibodies that promote uncontrolled cell growth and thereby function as oncogenes. Dying cells release proteins that stimulate the production of autoantibodies, an event also known to occur during the earliest stages of tumor growth. If ...

journal_title：Medical hypotheses

authors： Admon A,Shoshan SH

更新日期：2006-01-01 00:00:00