Results 31 to 40 of about 2,457 (179)

Apoptose et sénescence [PDF]

médecine/sciences, 1995
Au cours de la senescence, une diminution du nombre des cellules est observee dans la majorite des organes, resultat du ralentissement de la croissance cellulaire ; de plus, une elimination par apoptose pourrait etre en cause. Celle-ci pourrait etre la consequence d'une carence en facteurs de croissance, d'anomalies de la transmission des signaux inter-
MA Phélouzat, RA Quadri, JJ Proust
openaire   +1 more source

Apoptose na infecção experimental de cães domésticos com Ehrlichia canis Apoptosis in experimental infection with Ehrlichia canis in domestic dogs

Ciência Rural, 2012
A Erliquiose canina é uma zoonose causada pela Ehrlichia canis, bactéria Gram negativa de distribuição mundial. Alguns cães com erliquiose se tornam portadores assintomáticos enquanto outros desenvolvem uma doença aguda com morte rápida.
Irma Ximena Barbosa Sanchez, Teresa de Jesus Oviedo Socarras, Miguel Ladino Silva, Nubia Braga Pereira, Rosangela Zacarias Machado, Anilton Cesar Vasconcelos   +5 more
doaj   +1 more source

Protective effects of extracellular vesicle‐like nanoparticles derived from Cannabis sativa adventitious roots against UVB‐induced damage in human keratinocytes

International Journal of Cosmetic Science, EarlyView.
Cannabis sativa root‐derived extracellular vesicle‐like nanoparticles (CA‐NPs) were isolated from adventitious root cultures and subjected to physicochemical characterization. Upon UVB exposure, keratinocytes exhibited increased ROS generation, apoptosis and MAPK activation, leading to oxidative stress and skin damage.
Dong Ho Bak, Su Hyun Park, Young Bae Ryu, Cha Young Kim, Jae Cheol Jeong, Woo Sik Kim   +5 more
wiley   +1 more source

The T-cell anergy induced by Leishmania amazonensis antigens is related with defective antigen presentation and apoptosis

Anais da Academia Brasileira de Ciências, 2004
Leishmania amazonensis is the main agent of diffuse cutaneous leishmaniasis, a disease associated with anergic immune responses. In this study we show that the crude antigen of Leishmania amazonensis (LaAg) but not L.
Roberta O. Pinheiro, Eduardo F. Pinto, Alessandra B. Benedito, Ulisses G. Lopes, Bartira Rossi-Bergmann   +4 more
doaj   +1 more source

Pharmacological perspectives from Brazilian Salvia officinalis (Lamiaceae): antioxidant, and antitumor in mammalian cells

Anais da Academia Brasileira de Ciências, 2016
Salvia officinalis (Lamiaceae) has been used in south of Brazil as a diary homemade, in food condiment and tea-beverage used for the treatment of several disorders. The objective of this study was to characterize chemical compounds in the hydroalcoholic (
CHARLENE S.C. GARCIA, CAROLINE MENTI, ANA PAULA F. LAMBERT, THIAGO BARCELLOS, SIDNEI MOURA, CAROLINE CALLONI, CÁTIA S. BRANCO, MIRIAN SALVADOR, MARIANA ROESCH-ELY, JOÃO A.P. HENRIQUES   +9 more
doaj   +1 more source

Leucemia mielóide crônica e o sistema Fas-FasL Chronic myeloid leukemia and the Fas-FasL system

Revista Brasileira de Hematologia e Hemoterapia, 2005
Com os avanços terapêuticos que incluem o mesilato de imatinibe, o transplante de medula óssea e a infusão de linfócito do doador, a perspectiva de vida dos portadores de leucemia mielóide crônica (LMC) tem aumentado significativamente e a doença pode ...
Ana Paula F. Bergantini, Fabíola A. Castro, Ana M. Souza, Agnes C. Fett-Conte   +3 more
doaj   +1 more source

Oxytocin‐ und Vasopressin‐Photosonden zur Entschlüsselung der Neuropeptid‐Signalgebung mit hoher räumlicher und zeitlicher Präzision

Angewandte Chemie, Volume 138, Issue 22, 25 May 2026.
Neue biokompatible Oxytocin‐ und Vasopressin‐Photosonden mit modernsten Photocages. Diese Photosonden sind inaktiv und können mit spezifischen Lichtwellen entschützt werden, was eine Rezeptoraktivierung mit hoher zeitlicher und räumlicher Kontrolle ermöglicht. Abbildung erstellt mit https://BioRender.com ZUSAMMENFASSUNG Das Oxytocin/Vasopressin (OT/VP)
Konstantin Raabe, Predrag Kalaba, Xuan Ling Hilary Yong, Greta Crudeli, Sarah Melzer, Erik Keimpema, Victor Anggono, Markus Muttenthaler   +7 more
wiley   +1 more source

Análise histomorfométrica dos cardiomiócitos e deposição de colágeno no músculo cardíaco de ratas ooforectomizadas

Pesquisa Veterinária Brasileira, 2016
Resumo: Esse estudo objetivou avaliar o efeito da ooforectomia sob os parâmetros histomorfométricos dos cardiomiócitos e quantificação de colágeno em ratas Wistar. Vinte ratas foram utilizadas e separadas em dois grupos: GI - ooforectomizada e GII - sham-
Maria C.R. Silva, Maria J.G. Arandas, Nivaldo B. Lima-Junior, Francisco C.A. Aguiar-Júnior, Katharine R.P. Santos   +4 more
doaj   +1 more source

Evidenz‐ und konsensbasierte (S3) Leitlinie: Lichen sclerosus

JDDG: Journal der Deutschen Dermatologischen Gesellschaft, Volume 24, Issue 4, Page 566-586, April 2026.
Zusammenfassung Die deutschsprachige, konsens‐ und evidenzbasierte S3‐Leitlinie zum Lichen sclerosus (LS) wurde unter Federführung der Deutschen Dermatologischen Gesellschaft e.V. (DDG) und der Deutschen Gesellschaft für Gynäkologie und Geburtshilfe e.V.
Gudula Kirtschig, Linn Woelber, Andreas Günthert, Karl Becker, Alexandra Ciresa‐König, Bettina Fischer, Susanne Fricke‐Otto, Claudia Günther, Christine Hirchenhain, Narayani Helga Köllmann, Alexander Kreuter, Bartosz Malisiewicz, Felix Neis, Dan mon O'Dey, Hagen Ott, Martin Promm, Regina Renner, Anne‐Rose Schardt, Ines Schweizer, Raimund Stein, Jan Ter‐Nedden, Gerda Trutnovsky, Agnes Wand, Gerhard Weyandt, Ricardo N. Werner, Maria Kinberger   +25 more
wiley   +1 more source

O impacto na expressão agnors e apoptose na próstata do hamster-mesocricetus auratus (HMA) submetido à aplicação de finasterida

Revista do Colégio Brasileiro de Cirurgiões
OBJETIVO: Avaliar o impacto na expressão AgNORs e apoptose na próstata do hamster-Mesocricetus auratus (hMa) submetido à aplicação de finasterida. MÉTODOS: Vinte roedores da espécie hMa (n=20), machos foram separados aleatoriamente em grupos de dez ...
Dimas José Araújo Vidigal, Alcino Lázaro da Silva, Felipe Eduardo Costa Vidigal   +2 more
doaj   +1 more source