Results 21 to 30 of about 5,923 (228)

The Role of a Proprotein Convertase Inhibitor in Reactivation of Tumor-Associated Macrophages and Inhibition of Glioma Growth

Molecular Therapy: Oncolytics, 2020
Tumors are characterized by the presence of malignant and non-malignant cells, such as immune cells including macrophages, which are preponderant. Macrophages impact the efficacy of chemotherapy and may lead to drug resistance.
Mélanie Rose, Marie Duhamel, Soulaimane Aboulouard, Firas Kobeissy, Emilie Le Rhun, Annie Desmons, Dominique Tierny, Isabelle Fournier, Franck Rodet, Michel Salzet   +9 more
doaj   +1 more source

Loss of hypothalamic Furin affects POMC to proACTH cleavage and feeding behavior in high-fat diet-fed mice

Molecular Metabolism, 2022
Objective: The hypothalamus regulates feeding and glucose homeostasis through the balanced action of different neuropeptides, which are cleaved and activated by the proprotein convertases PC1/3 and PC2. However, the recent association of polymorphisms in
Ilaria Coppola, Bas Brouwers, Leanne Walker, Ceyhun Alar, Sandra Meulemans, Anne White, Bruno Ramos-Molina, John W.M. Creemers   +7 more
doaj   +1 more source

Human spermatozoa anti-proprotein convertase subtilisin/kexin type 4 synthesis using New Zealand rabbit for novel immunocontraception in males [PDF]

Investigative and Clinical Urology, 2019
Purpose: Proprotein convertase subtilisin/kexin type 4 (PCSK4, a 54-kDa protease) is expressed in the plasma membrane of the acrosome in human spermatozoa. It plays a critical role in penetrating the zona pellucida. Synthesis of human anti-PCSK4 might be
Dahril, Aulanni'am, Vivi Keumala, Akhmad Mustafa   +3 more
doaj   +1 more source

PCSK9 prosegment chimera as novel inhibitors of LDLR degradation. [PDF]

PLoS ONE, 2013
The proprotein convertase PCSK9, a target for the treatment of hypercholesterolemia, is a negative regulator of the LDL receptor (LDLR) leading to its degradation in endosomes/lysosomes and up-regulation of plasma LDL-cholesterol levels.
Yascara Grisel Luna Saavedra, Jianbing Zhang, Nabil G Seidah   +2 more
doaj   +1 more source

Furin is the major proprotein convertase required for KISS1-to-Kisspeptin processing. [PDF]

PLoS ONE, 2014
KISS1 is a broadly functional secreted proprotein that is then processed into small peptides, termed kisspeptins (KP). Since sequence analysis showed cleavage at KR or RR dibasic sites of the nascent protein, it was hypothesized that enzyme(s) belonging ...
Sitaram Harihar, Keke M Pounds, Tomoo Iwakuma, Nabil G Seidah, Danny R Welch   +4 more
doaj   +1 more source

Characterization of the Proprotein Convertase-Mediated Processing of Peroxidasin and Peroxidasin-like Protein

Antioxidants, 2021
Peroxidasin (PXDN) and peroxidasin-like protein (PXDNL) are members of the peroxidase-cyclooxygenase superfamily. PXDN functions in basement membrane synthesis by forming collagen IV crosslinks, while the function of PXDNL remains practically unknown. In
Hajnal A. Kovács, Enikő Lázár, György Várady, Gábor Sirokmány, Miklós Geiszt   +4 more
doaj   +1 more source

SKI-1/S1P Facilitates SARS-CoV-2 Spike Induced Cell-to-Cell Fusion via Activation of SREBP-2 and Metalloproteases, Whereas PCSK9 Enhances the Degradation of ACE2

Viruses, 2023
Proprotein convertases activate various envelope glycoproteins and participate in cellular entry of many viruses. We recently showed that the convertase furin is critical for the infectivity of SARS-CoV-2, which requires cleavage of its spike protein (S)
Rachid Essalmani, Ursula Andréo, Alexandra Evagelidis, Maïlys Le Dévéhat, Oscar Henrique Pereira Ramos, Carole Fruchart Gaillard, Delia Susan-Resiga, Éric A. Cohen, Nabil G. Seidah   +8 more
doaj   +1 more source

Hysteretic behavior of proprotein convertase 1/3 (PC1/3). [PDF]

PLoS ONE, 2011
The proprotein convertases (PCs) are calcium-dependent proteases responsible for processing precursor proteins into their active forms in eukariotes.
Marcelo Y Icimoto, Nilana M Barros, Juliana C Ferreira, Marcelo F Marcondes, Douglas Andrade, Mauricio F Machado, Maria A Juliano, Wagner A Júdice, Luiz Juliano, Vitor Oliveira   +9 more
doaj   +1 more source

PCSK1 Mutations and Human Endocrinopathies: From Obesity to Gastrointestinal Disorders. [PDF]

, 2016
Prohormone convertase 1/3, encoded by the PCSK1 gene, is a serine endoprotease that is involved in the processing of a variety of proneuropeptides and prohormones. Humans who are homozygous or compound heterozygous for loss-of-function mutations in PCSK1

core   +2 more sources

Association of obesity risk SNPs in PCSK1with insulin sensitivity and proinsulin conversion [PDF]

, 2010
Background Prohormone convertase 1 is involved in maturation of peptides. Rare mutations in gene PCSK1, encoding this enzyme, cause childhood obesity and abnormal glucose homeostasis with elevated proinsulin concentrations.
Martin Heni, Axel Haupt, Silke A Schäfer, Caroline Ketterer, Claus Thamer, Fausto Machicao, Norbert Stefan, Harald Staiger, Hans-Ulrich Häring, Andreas Fritsche   +9 more
core   +2 more sources