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排序方式: 共有138条查询结果,搜索用时 31 毫秒
1.
A SUMOylation-defective MITF germline mutation predisposes to melanoma and renal carcinoma 总被引:1,自引:0,他引:1
Bertolotto C Lesueur F Giuliano S Strub T de Lichy M Bille K Dessen P d'Hayer B Mohamdi H Remenieras A Maubec E de la Fouchardière A Molinié V Vabres P Dalle S Poulalhon N Martin-Denavit T Thomas L Andry-Benzaquen P Dupin N Boitier F Rossi A Perrot JL Labeille B Robert C Escudier B Caron O Brugières L Saule S Gardie B Gad S Richard S Couturier J Teh BT Ghiorzo P Pastorino L Puig S Badenas C Olsson H Ingvar C Rouleau E Lidereau R Bahadoran P Vielh P Corda E Blanché H Zelenika D 《Nature》2011,480(7375):94-98
2.
Molecular and Cellular Basis of Regeneration and Tissue Repair 总被引:3,自引:0,他引:3
Rossi L Salvetti A Batistoni R Deri P Gremigni V 《Cellular and molecular life sciences : CMLS》2008,65(1):16-23
Planarians possess amazing abilities to regulate tissue homeostasis and regenerate missing body parts. These features reside on the presence of a population of pluripotent/totipotent stem cells, the neoblasts, which are considered as the only planarian cells able to proliferate in the asexual strains. Neoblast distribution has been identified by mapping the cells incorporating bromodeoxyuridine, analyzing mitotic figures and using cell proliferation markers. Recently identified molecular markers specifically label subgroups of neoblasts, revealing thus the heterogeneity of the planarian stem cell population. Therefore, the apparent totipotency of neoblasts probably reflects the composite activities of multiple stem cell types. First steps have been undertaken to understand how neoblasts and differentiated cells communicate with each other to adapt the self-renewal and differentiation rates of neoblasts to the demands of the body. Moreover, the introduction of molecular resource database on planarians now paves the way to renewed strategies to understand planarian regeneration and stem cell-related issues. 相似文献
3.
Dario Siniscalco Catia Giordano Umberto Galderisi Livio Luongo Nicola Alessio Giovanni Di Bernardo Vito de Novellis Francesco Rossi Sabatino Maione 《Cellular and molecular life sciences : CMLS》2010,67(4):655-669
Neuropathic pain is a very complex disease, involving several molecular pathways. Current available drugs are usually not acting on the several mechanisms underlying the generation and propagation of pain. We used spared nerve injury model of neuropathic pain to assess the possible use of human mesenchymal stem cells (hMSCs) as anti-neuropathic tool. Human MSCs were transplanted in the mouse lateral cerebral ventricle. Stem cells injection was performed 4 days after sciatic nerve surgery. Neuropathic mice were monitored 7, 10, 14, 17, and 21 days after surgery. hMSCs were able to reduce pain-like behaviors, such as mechanical allodynia and thermal hyperalgesia, once transplanted in cerebral ventricle. Anti-nociceptive effect was detectable from day 10 after surgery (6 days post cell injection). Human MSCs reduced the mRNA levels of the pro-inflammatory interleukin IL-1β mouse gene, as well as the neural β-galactosidase over-activation in prefrontal cortex of SNI mice. Transplanted hMSCs were able to reduce astrocytic and microglial cell activation. 相似文献
4.
Montuori N Bifulco K Carriero MV La Penna C Visconte V Alfano D Pesapane A Rossi FW Salzano S Rossi G Ragno P 《Cellular and molecular life sciences : CMLS》2011,68(14):2453-2467
The receptor (CXCR4) for the stromal-derived factor-1 (SDF1) and the urokinase-receptor (uPAR) are up-regulated in various tumors. We show that CXCR4-transfected cells migrate toward SDF1 on collagen (CG) and do not on vitronectin (VN). Co-expression of cell-surface uPAR, which is a VN receptor, impairs SDF1-induced migration on CG and allows migration on VN. Blocking fMLP receptors (fMLP-R), alpha-v integrins or the uPAR region capable to interact with fMLP-Rs, impairs migration of uPAR/CXCR4-transfected cells on VN and restores their migration on CG. uPAR co-expression also reduces the adherence of CXCR4-expressing cells to various components of the extracellular matrix (ECM) and influences the partitioning of beta1 and alpha-v integrins to membrane lipid-rafts, affecting ECM-dependent signaling. uPAR interference in CXCR4 activity has been confirmed in cells from prostate carcinoma. Our results demonstrate that uPAR expression regulates the adhesive and migratory ability of CXCR4-expressing cells through a mechanism involving fMLP receptors and alpha-v integrins. 相似文献
5.
Mirko Tantimonaco Roberta Ceci Stefania Sabatini Maria Valeria Catani Antonello Rossi Valeria Gasperi Mauro Maccarrone 《Cellular and molecular life sciences : CMLS》2014,71(14):2681-2698
Recognized as a “disease modifier”, physical activity (PA) is increasingly viewed as a more holistic, cost-saving method for prevention, treatment and management of human disease conditions. The traditional view that PA engages the monoaminergic and endorphinergic systems has been challenged by the discovery of the endocannabinoid system (ECS), composed of endogenous lipids, their target receptors, and metabolic enzymes. Indeed, direct and indirect evidence suggests that the ECS might mediate some of the PA-triggered effects throughout the body. Moreover, it is now emerging that PA itself is able to modulate ECS in different ways. Against this background, in the present review we shall discuss evidence of the cross-talk between PA and the ECS, ranging from brain to peripheral districts and highlighting how ECS must be tightly regulated during PA, in order to maintain its beneficial effects on cognition, mood, and nociception, while avoiding impaired energy metabolism, oxidative stress, and inflammatory processes. 相似文献
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7.
Riassunto Si può dimostrare un accumulo di H2O2 in leucociti polinucleati di essudato di cavia o di sangue umano durante la fagocitosi in presenza di KCN 2 mM. La produzione di H2O2 e l'attività della perossidasi si considerano importanti per l'azione battericida. 相似文献
8.
9.
Résumé Dans le foie de cobaye, l'activité du système enzymatique oxydasique des acides gras est renforcée par une faible oxydation
des acides succiniques et fumariques, tandis qu'elle est inhibée par une oxydation élevée. Il s'agit, peut-être, d'une concurrence
pour l'ADP ou bien pour les transporteurs d'hydrogène.
相似文献
10.
Summary Chronic administration of alcohol to well-nourished rats led to striking changes in the small intestinal cell population. The present experiments corroborate the view that alcohol is directly toxic to the small intestine.The authors wish to thank Mr.P. R. Gaspar for the technical assistance. 相似文献