A novel promising therapy for skin aging: dermal multipotent stem cells against photoaged skin by activation of TGF-β/Smad and p38 MAPK signaling pathway.

abstract：:Posterior capsule opacification (PCO) is a debilitating and relatively common complication of cataract surgery despite modern medical and surgical advances. The pathophysiology of this condition has largely been attributed to peptide mediators, such as transforming growth factor-beta (TGFβ), epidermal growth factor (E...

journal_title：Medical hypotheses

authors： Lewis AC

更新日期：2013-04-01 00:00:00

abstract：:The role of ozone on earth is controversial, as in the stratosphere it is protective against excessive ultra violet irradiation, and in the troposphere it is toxic for animals and plants. The effectiveness of ozone against pathogens is well recognized and ozone appears to be the best agent for sterilization of water. ...

journal_title：Medical hypotheses

authors： Bocci V

更新日期：1996-02-01 00:00:00

abstract：:In elderly, the fractures in C1-C2 are a common entity. Poor bone quality and wide range of motion hamper the natural bone fusion, thus making surgery often the only possible way to deal with the underlying pathology. The proximity to important neurovascular structures represents the stabilization in this segment a ch...

journal_title：Medical hypotheses

authors： Pavlov O,Mirchev N,Behr R

更新日期：2020-02-21 00:00:00

abstract：:In attempts to develop a rational anticancer strategy the same homologous tissue in 3 conditions were used side by side as targets: normal epidermis of the mouse back. Tween 60R-provoked benign epidermal hyperplasia, and carcinogen-provoked malignant condition. In contrast to the highest tolerated doses of the cytosta...

journal_title：Medical hypotheses

authors： Setälä K

更新日期：1982-03-01 00:00:00

abstract：:For some patients with radiculopathy a source of nerve root compression cannot be identified despite positive electromyography (EMG) evidence. This discrepancy hampers the effective clinical management for these individuals. Although it has been well-established that tissues in the cervical spine move in a three-dimen...

journal_title：Medical hypotheses

authors： Jaumard NV,Udupa JK,Siegler S,Schuster JM,Hilibrand AS,Hirsch BE,Borthakur A,Winkelstein BA

更新日期：2013-10-01 00:00:00

abstract：:In orthognathic surgery, many serious medical disputes and postsurgical dissatisfactions are not caused by the doctors' reasons, but due to the patients' psychological problems. These adverse events obsess not only surgeons, but also patients to a great extent. An effective method is expected to screen patients for or...

journal_title：Medical hypotheses

authors： Yu D,Fang B,Wang F,Wang X,Zhang W,Dai J,Shen SG

更新日期：2013-08-01 00:00:00

abstract：:Novel coronavirus (NCoV-19), also known as SARS CoV-2, is a pathogen causing an emerging infection that rapidly increases in incidence and geographic range, is associated with the ever-increasing morbidity and mortality rates, and shows sever economic impact worldwide. The WHO declares the NCoV-19 infection disease (C...

journal_title：Medical hypotheses

authors： Mani Mishra P,Uversky VN,Nandi CK

更新日期：2020-04-24 00:00:00

abstract：:This article reviews the significance of changes in the level of cerebrospinal fluid acetylcholinesterase or cholinesterase in patients with Alzheimer's disease or other dementias. Evidence has shown that the methodology of assaying cerebrospinal fluid acetylcholinesterase or cholinesterase is reliable and the activit...

journal_title：Medical hypotheses

authors： Shen ZX

更新日期：1996-11-01 00:00:00

abstract：:Human immunodeficiency virus may regulate its replication by stimulating the synthesis of interleukin-1. Interleukin-1, in turn, has the ability to stimulate the human immunodeficiency virus enhancer region. The human genes responsible for interleukin-1 and interleukin-1 receptor antagonist synthesis are located on th...

journal_title：Medical hypotheses

authors： Corley PA

更新日期：1997-05-01 00:00:00

abstract：:The repair and reconstruction of tissue defects and organ loss are severe problems, and many patients are eager to find avenues to these matters. Up until now, the number of methods used to repair tissue defects has increased, but all of these have their own advantages and inconveniences, and do not seem to have been ...

journal_title：Medical hypotheses

authors： Yang M,Liu L

更新日期：2008-01-01 00:00:00

abstract：:Posttraumatic stress disorder (PTSD) is a severe anxiety disorder that develops after exposure to trauma. Symptoms include persistent reexperiencing, persistent avoidance, persistent numbing, and persistent hyperarousal. Subsequent to trauma exposure, the onset of symptoms of an acute stress reaction can typically dev...

journal_title：Medical hypotheses

authors： Wallace J

更新日期：2013-06-01 00:00:00

abstract：:Contributory risk factors to premature coronary artery disease (CAD) in premenopausal women are poorly understood and data on this subset of women is lacking. There is growing evidence that the process of inflammation is a part of the atherosclerotic process. Mechanistic insights from animal work suggest that the prof...

journal_title：Medical hypotheses

authors： Eastwood JA,Taylor DA,Johnson BD,Resende M,Sharaf BL,Ahmed B,Minissian M,Shufelt C,Merz NB

更新日期：2017-11-01 00:00:00

abstract：:In this communication I propose a technique for manipulating the idiotype anti-idiotype network with the aim of enhancing the immune response to tumors. The theoretical basis for this technique follows from Jerne's network theory of the immune system. By tolerizing the host to immunoglobulin bearing idiotypes directed...

journal_title：Medical hypotheses

authors： Sharpe RJ

更新日期：1985-11-01 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：:The aim of this study is to identify a possible function of Active Sleep (AS), also known as Rapid Eye Movement Sleep (REM) in humans, as a protective state during early Central Nervous System (CNS) development. Previous research suggest pharmacological agents that inhibit high levels of neuronal activity in the CNS (...

journal_title：Medical hypotheses

authors： Morrissey MJ,Duntley SP,Anch AM,Nonneman R

更新日期：2004-01-01 00:00:00

abstract：:We have previously presented a new Systemic Evolutionary Theory of Cancer (SETOC) based on the failure of proper endosymbiosis in eukaryotic cells. Here, we propose that the progressive uncoupling of two endosymbiotic subsystems (information and energy) inside the cell, as a consequence of long-term injuries, gives ri...

journal_title：Medical hypotheses

authors： Mazzocca A,Ferraro G,Misciagna G,Fais S

更新日期：2018-12-01 00:00:00

abstract：:Recently, the metabolic routes for acetone metabolism have been described. Therefore, acetone cannot further be regarded as a waste product of metabolism. However, its physiological role in biochemical machinery is not clear. Here, an integrative model for the role of acetone metabolism is presented that orders the ev...

journal_title：Medical hypotheses

authors： Kalapos MP

更新日期：1999-09-01 00:00:00

abstract：:It is sometimes asserted that UK science is thriving, at other times that it has declined. We suggest that both assertions are partly true because the UK is thriving with respect to the volume of 'normal' science production but at the same time declining in the highest level of 'revolutionary' science. Revolutionary s...

journal_title：Medical hypotheses

authors： Charlton BG,Andras P

更新日期：2008-01-01 00:00:00

abstract：:The etiology of drug-induced agranulocytosis is poorly understood. Many drugs that induce neutropenia or agranulocytosis can be metabolized to reactive intermediates that covalently bind to macromolecules. Until now, the myeloid precursor cell or an earlier committed progenitor cell has been favoured as the target for...

journal_title：Medical hypotheses

authors： Guest I,Uetrecht J

更新日期：1999-08-01 00:00:00

abstract：:Periodontal disease is a chronic multifactorial infectious and inflammatory disease associated with several chronic systemic diseases, such as diabetes, cardiovascular diseases (CVD), chronic obstructive pulmonary disease, hypertension, Alzheimer's disease and so on. These same systemic diseases have been associated w...

journal_title：Medical hypotheses

authors： Räisänen IT,Umeizudike KA,Pärnänen P,Heikkilä P,Tervahartiala T,Nwhator SO,Grigoriadis A,Sakellari D,Sorsa T

更新日期：2020-11-01 00:00:00

abstract：:Enormous amounts of lactic acid are produced during endurance sport by muscle cells. This metabolite is thought responsible for the muscle pain and the fatigue during sport. Its internal removal from the body by enzymatic conversion depends mainly on the capacity of the hepatic gluconeogenesis that converts lactic aci...

journal_title：Medical hypotheses

authors： Bongaerts GP,Wagener DJ

更新日期：2007-01-01 00:00:00

abstract：:Extracellular nucleotide-induced stimulation and activation of peripheral blood leukocytes and subsequent degranulation play a critical role in immediate-type hypersensitivity reaction and other inflammatory diseases. The extracellular nucleotides stimulate a P2Y receptor(s) on human PMN with the pharmacological profi...

journal_title：Medical hypotheses

authors： Kannan S

更新日期：2002-09-01 00:00:00

abstract：:An expansion of the 'stable' gene hypothesis proposed previously is the hypothesis that there is a range of genes, some proto-oncogenes and some not, varying from those with multiple copies in the genome, wide distribution among species, and limited mutability because of a specific protective stabilizing mechanism of ...

journal_title：Medical hypotheses

authors： Frei JV

更新日期：1995-02-01 00:00:00

abstract：:In plastic and reconstructive surgery, there is a tremendous clinical need for adequate implants are needed to restore soft-tissue defects resulting from tumor resection, traumatic injury, or congenital anomalies. Restoring the aesthetic function of the soft tissue is as important as restoring the natural tissue funct...

journal_title：Medical hypotheses

authors： Chang Q,Lu F

更新日期：2012-08-01 00:00:00

abstract：:Rheumatic heart disease (RHD) remains a major cause of cardiac related mortality and morbidity in the developing countries due to poor diagnosis and lack of proper therapeutics. The definite reason of heart valve injury during RHD is poorly understood. Valvular endothelial cells play an important role in pathogenesis ...

journal_title：Medical hypotheses

authors： Sarkar S,Chopra S,Rohit MK,Banerjee D,Chakraborti A

更新日期：2016-10-01 00:00:00

abstract：:Acute viral infection is characterised by high-level replication before prompt decline of viraemia and, commonly, viral clearance. This kinetic pattern is generally held to be due to immune control. However, infection with some viruses, notably hepatitis C (HCV), hepatitis B (HBV) and the human immunodeficiency virus ...

journal_title：Medical hypotheses

authors： Sallie R

更新日期：2004-01-01 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：:Hypertensive left ventricular hypertrophy (LVH) is a maladaptive response to chronic pressure overload and a strong independent risk factor for cardiovascular disease. Regression of LVH is associated with improved prognosis. Regression of LVH with antihypertensive therapy (angiotensin-converting enzyme inhibitors, ang...

journal_title：Medical hypotheses

authors： Quintana-Villamandos B,Delgado-Baeza E

更新日期：2016-02-01 00:00:00

abstract：:In this study, after having formed the hypothesis of the existence of a "Compensating Center" (cerebral?) that orders the increase in the function of one kidney in case of deterioration of its congener, we propose two mechanisms that may lead to the activation of this Center. The first may be the difference between th...

journal_title：Medical hypotheses

authors： Collard M

更新日期：1988-03-01 00:00:00

abstract：:In Burkitt's lymphoma, dental structures may provide the route for Epstein-Barr virus (EBV) in saliva to penetrate the jaws, thereby promoting tumor formation. In children, EBV could enter tooth sockets exposed following deciduous tooth loss and thereby contact jaw marrow lymphocytes stimulating neoplastic transformat...

journal_title：Medical hypotheses

authors： Lorber M

更新日期：1983-12-01 00:00:00