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hypertrophic redness

Olga V Leontieva, Mikhail V Blagosklonny
Rapamycin slows organismal aging and delays age-related diseases, extending lifespan in numerous species. In cells, rapamycin and other rapalogs such as everolimus suppress geroconversion from quiescence to senescence. Rapamycin inhibits some, but not all, activities of mTOR. Recently we and others demonstrated that pan-mTOR inhibitors, known also as dual mTORC1/C2 inhibitors, suppress senescent phenotype. As a continuation of these studies, here we investigated in detail a panel of pan-mTOR inhibitors, to determine their optimal gerosuppressive concentrations...
December 30, 2016: Aging
Jin-Wei Ai, Jiang-Tao Liu, Sheng-Duo Pei, Yu Liu, De-Sheng Li, Hong-Ming Lin, Bin Pei
Although pressure therapy (PT) represents the standard care for prevention and treatment of hypertrophic scar (HS) from burns, its practice is largely based on empirical evidence and its effectiveness remains controversial. To clarify the effect of PT (15-25 mmHg) for HS, we performed the systematic review and meta-analysis. Several electronic databases were screened to identify related randomized controlled trials (RCTs). 12 RCTs involving 710 patients with 761 HS resulting from burn injuries were included...
January 5, 2017: Scientific Reports
S Oka, K Shiraishi, H Matsuyama
Non-obstructive azoospermia is a severe condition because spermatogenesis per se is disrupted. Although microdissection testicular sperm extraction is the standard therapy for non-obstructive azoospermia, sperm retrieval is unsuccessful in approximately 50% of patients. For these patients, we conducted human chorionic gonadotropin-based salvage hormonal therapy, and sperm retrieval was possible in 10-20% of patients. The objectives of this study were to assess the changes in interstitial lesions in patients with non-obstructive azoospermia and to evaluate the effects of human chorionic gonadotropin on these tissues...
November 16, 2016: Andrology
Oliver R Oakley, Kee Jun Kim, Po-Ching Lin, Radwa Barakat, Joseph A Cacioppo, Zhong Li, Alexandra Whitaker, Kwang Chul Chung, Wenyan Mei, CheMyong Ko
17β-estradiol is a potent sex hormone synthesized primarily by gonads in females and males that regulates development and function of the reproductive system. Recent studies show that 17β-estradiol is locally synthesized in nonreproductive tissues and regulates a myriad of events, including local inflammatory responses. In this study, we report that mesenteric lymph nodes (mLNs) and Peyer's patches (Pps) are novel sites of de novo synthesis of 17β-estradiol. These secondary lymphoid organs are located within or close to the gastrointestinal tract, contain leukocytes, and function at the forefront of immune surveillance...
December 2016: Endocrinology
J Y Dong, F Song, Y K Liu, X Q Wang
Objective: To simulate the environmental factors during the process of formation and evolution of hypertrophic scar, so as to explore the effects of moderate and severe hypoxia and low concentration of serum protein on the function of human hypertrophic scar fibroblasts (HSFs). Methods: Human HSFs were routinely cultured. Cells of the 3rd to the 6th passage were divided into 10.0% oxygen+ 10.0% fetal calf serum (FCS), 5.0% oxygen+ 5.0% FCS, and 0.5% oxygen+ 0.5% FCS groups according to the random number table...
October 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
C M Han
The wound healing includes non-healing and overhealing of the wounds. The results of wound healing are well known by people such as non-healing of the diabetic ulcer or hypertrophic scar after deep burn. In this issue, three papers involve in wound healing, one about autologous adipose-derived mesenchymal stem cells injected into wound or scar of rabbit ear, one about severe hypoxia and hypoalbuminemia inducing human hypertrophic scar derived fibroblast apoptosis in vitro, and another about the dysfunction of protein kinase B/mammalian target of rapamycin signaling pathway contributing to the pathophysiological characteristics of diabetic skin and non-healing wound...
October 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
Takashi Nishida, Satoshi Kubota, Masaharu Takigawa
Growth-plate chondrocytes undergo proliferation, maturation, hypertrophic differentiation, and calcification; and these processes can be reproduced in vitro in a chondrocyte culture system. Using this system, we have shown that CCN family protein 2/connective tissue growth factor (CCN2/CTGF) promotes all stages of proliferation, maturation, hypertrophic differentiation, and calcification, thus suggesting that CCN2 is a multifunctional growth factor for chondrocytes and plays important roles in chondrocyte proliferation and differentiation...
2017: Methods in Molecular Biology
Modesta Makungu, Wencke M du Plessis, Michelle Barrows, Hermanus B Groenewald, Katja N Koeppel
The red panda ( Ailurus fulgens ) is classified as an endangered species by the International Union for Conservation of Nature and Natural Resources. The natural distribution of the red panda is in the Himalayas and southern China. Thoracic diseases such as dirofilariasis, hypertrophic cardiomyopathy, tracheal obstruction, lung worm infestation, and pneumonia have been reported in the red panda. The aim of this study was to describe the normal radiographic thoracic anatomy of captive red pandas as a species-specific reference for routine health examinations and clinical cases...
September 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Dermeval Reis Junior, Ednei Luiz Antonio, Marcello Fabiano de Franco, Helenita Antonia de Oliveira, Paulo José Ferreira Tucci, Andrey Jorge Serra
INTRODUCTION: There was no data for cardiac repercussion of exercise training associated with tobacco smoking. This issue is interesting because some smoking people can be enrolled in an exercise-training program. Thus, we evaluated swimming training effects on the function and structural myocardial in rats exposed to tobacco smoking. METHODS: Male Wistar rats were assigned to one of four groups: C, untrained rats without exposure to tobacco smoking; E, exercised rats without exposure to tobacco smoking; CS, untrained rats exposed to tobacco smoking; ECS, exercised rats exposed to tobacco smoking...
December 2016: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
Tu A Vo, Trina F Galloway, Tora Bardal, Christine K Halseth, Gunvor Øie, Elin Kjørsvik
Dynamics between hypertrophy (increase in cell size) and hyperplasia (increase in cell numbers) of white and red muscle in relation to body size [standard length (SL)], and the influence of the first-feeding diets on muscle growth were investigated in Atlantic cod larvae (Gadus morhua). Cod larvae were fed copepod nauplii or rotifers of different nutritional qualities from 4 to 29 days post hatching (dph), Artemia nauplii from 20 to 40 dph and a formulated diet from 36 to 60 dph. The short period of feeding with cultivated copepod nauplii had a positive effect on both muscle hyperplasia and hypertrophy after the copepod/rotifer phase (19 dph), and a positive long term effect on muscle hypertrophy (60 dph)...
November 15, 2016: Biology Open
Zhensen Zhu, Jie Ding, Edward E Tredget
Hypertrophic scars (HTS) are caused by dermal injuries such as trauma and burns to the deep dermis, which are red, raised, itchy and painful. They can cause cosmetic disfigurement or contractures if craniofacial areas or mobile region of the skin are affected. Abnormal wound healing with more extracellular matrix deposition than degradation will result in HTS formation. This review will introduce the physiology of wound healing, dermal HTS formation, treatment and difference with keloids in the skin, and it also review the current advance of molecular basis of HTS including the involvement of cytokines, growth factors, and macrophages via chemokine pathway, to bring insights for future prevention and treatment of HTS...
2016: Burns and trauma
Gordon I Smith
This review will focus on findings from the few studies performed to date in humans to examine changes in muscle protein turnover, lean or muscle mass and physical function following fish oil-derived omega-3 fatty acid treatment. Although considerable gaps in our current knowledge exist, hypertrophic responses (e.g., improvements in the rate of muscle protein synthesis and mTOR signaling during increased amino acid availability and an increase in muscle volume) have been reported in older adults following prolonged (8 to 24 weeks) of omega-3 fatty acid supplementation...
June 2016: Current Nutrition Reports
Balaji Venkatesan, Anusha Tumala, Vimala Subramanian, Elangovan Vellaichamy
This data article contains the data related to the research article 'Transient silencing of Npr3 gene expression improved the circulatory levels of atrial natriuretic peptides and attenuated β-adrenoceptor activation-induced cardiac hypertrophic growth in experimental rats' (Venkatesan et al., 2016 [1]). The siRNA-Npr3 loaded chitosan nanoparticles were synthesized using ionotropic gelation method, where the positive charge of the chitosan interacts with the negative charge of STPP and siRNA-Npr3. The physicochemical properties of the synthesized siRNA-Npr3 loaded chitosan nanoparticles were studied by dynamic light scattering, FE-SEM and HR-TEM analysis...
September 2016: Data in Brief
Mitsunori Okamoto, Takashi Sueda, Masaki Hashimoto, Keiko Shimote, Yoshiyuki Yamamoto, Yuichi Fujii, Hoshin Mitsui, Nobuharu Hamanaka
We treated two patients with atrial fibrillation and stringlike left atrial appendage thrombus: a 66 year-old man who had apical hypertrophic cardiomyopathy and a 86 year-old woman with no underlying heart disease. In the patient with hypertrophic cardiomyopathy, transesophageal echocardiography showed a highly mobile stringlike echo protruding from the left atrial appendage and sometimes falling into the mitral orifice. Pathologic examination after excision proved the stringlike echo to be a pedunculated structure composed of red and white thrombi...
December 2003: Journal of Medical Ultrasonics
Balachandra S Ankad, Savitha L Beergouder
BACKGROUND: Hypertrophic lichen planus (HLP) classically involves shin and ankles and is characterized by hyperkeratotic plaques and nodules. Prurigo nodularis (PN) is a chronic neurodermatitis that presents with intensely pruritic nodules. Histopathology of HLP and PN demonstrate epidermal hyperplasia, hypergranulosis, and compact hyperkeratosis. The dermis shows vertically arranged collagen fibers and an increased number of fibroblasts and capillaries in both conditions. Moreover, basal cell degeneration is confined to the tips of rete ridges, and band-like infiltration is conspicuously absent in HLP...
April 2016: Dermatology Practical & Conceptual
Hung-I Lu, Sheng-Ying Chung, Yi-Ling Chen, Tein-Hung Huang, Yen-Yi Zhen, Chu-Feng Liu, Meng-Wei Chang, Yung-Lung Chen, Jiunn-Jye Sheu, Sarah Chua, Hon-Kan Yip, Fan-Yen Lee
Inhibition of dipeptidyl peptidase-IV (DPP-4) enzyme activity has been revealed to protect myocardium from ischemia-reperfusion through enhancing the endogenous glucagon-like peptide-1 (GLP-1) level. However, whether exogenous supply of exendin-4, an analogue of GLP-1, would still offer benefit for protecting myocardial damage from trans-aortic constriction (TAC)-induced hypertrophic cardiomyopathy in preexistence of DPP-4 deficiency (DPP-4(D)) remained unclear. Male-adult (DPP-4(D)) rats (n = 32) were randomized into group 1 [sham control (SC)], group 2 (DPP-4(D) + TAC), group 3 [DPP-4(D) + TAC + exendin-4 10 µg/day], and group 4 [DPP-4(D) + TAC + exendin-4 10 µg + exendin-9-39 10 µg/day]...
2016: American Journal of Translational Research
Berit C Carlsen, Emily Wenande, Andres M Erlendsson, Annesofie Faurschou, Christine Dierickx, Merete Haedersdal
BACKGROUND AND OBJECTIVES: Pulsed dye laser (PDL) represents the gold-standard treatment for port wine stains (PWS). However, approximately 20% of patients are poor responders and yield unsatisfactory end-results. The Alexandrite (Alex) laser may be a therapeutic alternative for selected PWS subgroups, but optimal laser parameters are not known. The aim of this study was to assess clinical PWS clearance and safety of Alex laser at a range of pulse durations. MATERIALS AND METHODS: Sixteen individuals (14 previously PDL-treated) with deep red (n = 4), purple macular (n = 5) and purple hypertrophic (n = 7) PWS were included...
April 28, 2016: Lasers in Surgery and Medicine
Julie Carillon, Audrey Gauthier, Sandy Barial, Michel Tournier, Nathalie Gayrard, Anne-Dominique Lajoix, Bernard Jover
BACKGROUND: In spontaneously hypertensive rats (SHR), a model of human essential hypertension, oxidative stress is involved in the development of cardiac hypertrophy and fibrosis associated with hypertension. Dietary supplementation with agents exhibiting antioxidant properties could have a beneficial effect in remodeling of the heart. We previously demonstrated a potent anti-hypertrophic effect of a specific melon (Cucumis melo L.) concentrate with antioxidant properties in spontaneously hypertensive rats...
2016: Food & Nutrition Research
Shawn Tejiram, Jenny Zhang, Taryn E Travis, Bonnie C Carney, Abdulnaser Alkhalil, Lauren T Moffatt, Laura S Johnson, Jeffrey W Shupp
BACKGROUND: The effects of pressure on hypertrophic scar are poorly understood. Decreased extracellular matrix deposition is hypothesized to contribute to changes observed after pressure therapy. To examine this further, collagen composition was analyzed in a model of pressure therapy in hypertrophic scar. MATERIALS AND METHODS: Hypertrophic scars created on red Duroc swine (n = 8) received pressure treatment (pressure device mounting and delivery at 30 mm Hg), sham treatment (device mounting and no delivery), or no treatment for 2 wk...
April 2016: Journal of Surgical Research
Wojciech Gilowski, Piotr Stryjewski, Małgorzata Gilowska, Piotr Liszniański, Jacek Nowak
UNLABELLED: Amyloidosis is a disease having many different faces. Different symptoms may appear, depending on which organ is involved. That's why correct diagnosis can be difficult. Cardiac involvement must always be considered because of poor prognosis (30 to 68 % patients survive one year). Also in case of rapid progress of cardiac wall thickening, amyloidosis should be taken into account. MATERIAL AND METHODS: we present a case of a female patient with rapid progress of heart failure due to systemic amyloidosis with cardiac involvement...
2015: Przegla̧d Lekarski
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