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Regression II. Development through regression.

As shown in our previous paper ('Regression I. Experimental approaches to regression', JAP, 65, 2, 345-65), the common mechanism of regression can be described as reversible dedifferentiation, which is understood as a relative increase of the proportion of low-differentiated (older) systems in actualized experience. Experimental data show that regression following disease (chronic tension headache) is followed by adaptation and an increase in system differentiation in that experience domain which contains systems responsible for that adaptation. The results of mathematical modelling support the idea that reversible dedifferentiation can be one of the mechanisms for increasing the effectiveness of adaptation through learning. Reversible dedifferentiation, which is phenomenologically described as regression, is a general mechanism for restructuring the organism-environment interactions in situations where behaviours that were effective in the past become ineffective. Reversible dedifferentiation has evolved as a component of adaptation when new behaviours are formed and large-scale modifications in the existing behaviours are required in the face of changes in the external and/or internal environment. Thus, the authors believe that this article provides evidence for Jung's view that regression is not only a 'return' to past forms of thinking, affects and behaviour, but that regressive processes provide a significant impetus for psychological growth and development.

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The bulge sign – a simple physical examination for identifying progressive knee osteoarthritis: data from the Osteoarthritis Initiative.

To examine whether the presence of bulge sign or patellar tap was associated with frequent knee pain, progression of radiographic OA (ROA) and total knee replacement (TKR).

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A rectal neuroendocrine tumor in a patient with Crohn’s disease: a case report and literature review.

Crohn's disease is recognized to increase the risk of gastrointestinal malignances. Adenocarcinoma is the most common malignancy in these patients. Association between Crohn's disease and adenocarcinoma in the small intestine has already been established, however, the association between neuroendocrine tumor and Crohn's disease remains uncertain. We report a 39-year-old man with Crohn's disease, who was diagnosed with NET in the rectum. He had suffered from fever and anal pain due to the anal fistula and abscess. The disease state was considered to be resistant to medical treatment. He underwent total proctocolectomy, small bowel resection, anal fistula drainage with ileostomy. Postoperative histology revealed a neuroendocrine tumor in the rectum. His postoperative course was uneventful, and he followed a good course under treatment with infliximab and mercaptopurine hydrate. This case highlights the need of careful observation of resected specimens in light of the possibility of NET, especially those with anal disorders.

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Population-based data at ages 31 and 46 show decreased HRQoL and life satisfaction in women with PCOS symptoms.

Polycystic ovary syndrome (PCOS) is associated with decreased health-related quality of life (HRQoL), but longitudinal data beyond the reproductive years are lacking, and the impact of isolated PCOS symptoms is unclear.

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A Transcriptomic Analysis of Neuropathic Pain in Rat Dorsal Root Ganglia Following Peripheral Nerve Injury.

The aim of this work is to provide a comprehensive and unbiased understanding at the molecular correlates of peripheral nerve injury. In this study, we screened the differentially expressed genes (DEGs) in the DRG from rats using RNA-seq technique. Moreover, the bioinformatics methods were used to figure out the signaling pathways and expression regulation pattern of the DEGs enriched in. In addition, quantitative real-time RT-PCR was carried out to further confirm the expression of DEGs. 414 genes were upregulated, while 184 genes were downregulated in the DRG of rats 7 days after partial sciatic nerve ligation (pSNL) surgery. Moreover, GO and KEGG enrichment analysis suggested that most of the altered genes were involved in inflammatory responses and signaling transduction. In addition, our results state that they shared similar characters in the DRG among four types of neuropathic pain models. Eighteen genes have been altered (17 of them were upregulated) in the DRG of all four types of neuropathic pain models, in which Vgf, Atf3, Cd74, Gal, Jun, Npy, Serpina3n, and Hspb1 have been reported to be involved in neuropathic pain. Quantitative real-time RT-PCR results further confirmed the mRNA expression levels of Vgf, Atf3, Cd74, Gal, Jun, Npy, Serpina3n, and Hspb1 in the DRG of rats with pSNL surgery. The present study suggested that these eight genes may play important roles in neuropathic pain, revealing that these genes might serve as therapeutic targets for neuropathic pain. Moreover, anti-inflammatory therapy might be an effective approach for neuropathic pain treatment and prevention.

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Pre-Pulseless Takayasu Arteritis in a Child Represented With Prolonged Fever of Unknown Origin and Successful Management With Concomitant Mycophenolate Mofetil and Infliximab.

Takayasu arteritis (TA) is classified as a large vessel vasculitis of predominantly aorta and its main branches, resulting in fibrosis and stenosis. Only a minority of TA patients are diagnosed in pre-stenosis phase when constitutional symptoms including fever, arthralgia, weight loss, headache, abdominal pain, and elevated acute phase reactants are dominant insidious characteristics. In this article, we present a 12-year-old female patient, who was referred to our department with a one-year history of low-grade fever, fatigue, and myalgia. Physical examination did not reveal pulse and blood pressure discrepancies between any extremities. Acute phase reactants were markedly elevated, and autoantibodies were negative. Magnetic resonance angiography (MRA) findings have confirmed TA diagnosis with prominent vessel wall thickening in the ascendant and abdominal aorta, focal ectasias and a thoracoabdominal fusiform aneurysm. As methotrexate and methylprednisolone treatment during three months was unsuccessful, infliximab was induced. During the next 12 months, patient had clinical improvement, but worsening of MRA findings and new onset of carotidynia forced us to switch methotrexate to mycophenolate mofetil. Six months later, laboratory and radiological remission were achieved. In conclusion, we report a challenge to diagnose pre-pulseless childhood-TA (c-TA) in the state of prolonged fever with no signs of vascular stenosis, systemic hypertension, pulses and blood pressure discrepancies, bruits and claudication. Therefore, we wish to discourse the importance of early diagnosis of TA since, to our knowledge, there are no studies investigating treatment success only in the early phases of c-TA.

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Pain-diminishing and quality of life-related outcomes of Kinesio taping in patients on non-steroidal anti-inflammatory drug therapy for post-thoracotomy pain syndrome.

This study aims to evaluate pain-diminishing and quality of life-related outcomes of Kinesio taping in patients on non-steroidal anti-inflammatory drug (NSAID) therapy for post-thoracotomy pain syndrome (PTPS).

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Perioperative mannitol intensive use may avoid the early complication of cerebral venous sinus stenting.

Cerebral venous sinus (CVS) stenting has been widely applied for correcting CVS stenosis. However, there are still some potential complications. The purpose of this study is to investigate the impact of perioperative management on avoiding complications of CVS stenting.

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Symptoms of COVID-19 among older adults: systematic review of biomedical literature.

The COVID-19 pandemic is particularly severe in older adults. Our objective was to identify, from international literature, the most common symptoms met in older adults infected with the SARS-CoV-2 virus. This systematic review of the literature was conducted using MEDLINE from December 1, 2019 to April 13, 2020. The analysis of methodological quality used a method dedicated to case series and case reports. Out of 260 articles initially identified, only two studies were finally included in the qualitative analysis. The mean age was relatively low, between 71 and 74 years on average. The symptoms of COVID-19 were as follows: fever, dry cough, dyspnea, asthenia, anorexia, chest tightness, diarrhea, and to a lesser extent myalgia, pharyngitis, nausea, dizziness, headache, abdominal pain and finally vomiting. Lymphopenia was found in the complete blood count. In conclusion, this systematic review of the international literature reveals a lack of data about the semiology of COVID-19 in older adults, especially in the frail oldest-old ones who commonly define the geriatric population. The national survey conducted by the French Society of Geriatrics and Gerontology will help fill this semiological gap.

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History of uses, phytochemistry, pharmacological activities, quality control and toxicity of the root of Stephania tetrandra S. Moore: A review.

the root of Stephania tetrandra S. Moore, known as Fangji in China (Chinese: ), is a traditional Chinese medicine (TCM) with a long history of use. Fangji is a type of medicine used to treat various diseases, including rheumatism, arthralgia, edema and beriberi, unfavorable urination, and eczema.

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