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Showing 13 to 24 of 29 entries
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How do Chaperones Bind (Partly) Unfolded Client Proteins?.

Frontiers in molecular biosciences

Sučec I, Bersch B, Schanda P.
PMID: 34760928
Front Mol Biosci. 2021 Oct 25;8:762005. doi: 10.3389/fmolb.2021.762005. eCollection 2021.

Molecular chaperones are central to cellular protein homeostasis. Dynamic disorder is a key feature of the complexes of molecular chaperones and their client proteins, and it facilitates the client release towards a folded state or the handover to downstream...

Procathepsin and acid phosphatase are stored in Musca domestica yolk spheres.

Journal of insect physiology

Ribolla PE, Bijovsky AT, de Bianchi AG.
PMID: 11119768
J Insect Physiol. 2001 Mar;47(3):225-232. doi: 10.1016/s0022-1910(00)00114-1.

Yolk spheres present in mature invertebrate oocytes are composed of yolk proteins and proteolytic enzymes. In the fly Musca domestica, yolk proteins are degraded during embryogenesis by a cathepsin-like proteinase that is stored as a zymogen. An acid phosphatase...

The proprotein convertase furin in cancer: more than an oncogene.

Oncogene

He Z, Khatib AM, Creemers JWM.
PMID: 34997216
Oncogene. 2022 Jan 07; doi: 10.1038/s41388-021-02175-9. Epub 2022 Jan 07.

Furin is the first discovered proprotein convertase member and is present in almost all mammalian cells. Therefore, by regulating the maturation of a wide range of proproteins, Furin expression and/or activity is involved in various physiological and pathophysiological processes...

Effects of infusing milk precursors into the artery on rumen fermentation in lactating cows.

Animal nutrition (Zhongguo xu mu shou yi xue hui)

Wang X, Ao C, Khas-Erdene, Liu S, Bai C, Zhang F, Zhang Y, Gao P.
PMID: 29767029
Anim Nutr. 2016 Jun;2(2):105-110. doi: 10.1016/j.aninu.2016.03.002. Epub 2016 Mar 18.

This experiment was conducted to investigate the effects of infusing milk precursors into the external pudic artery on rumen fermentation in lactating dairy cows. Eight multiparous Holstein cows were randomly assigned to Group A (experimental group) and Group B...

Teneurin Structures Are Composed of Ancient Bacterial Protein Domains.

Frontiers in neuroscience

Jackson VA, Busby JN, Janssen BJC, Lott JS, Seiradake E.
PMID: 30930731
Front Neurosci. 2019 Mar 13;13:183. doi: 10.3389/fnins.2019.00183. eCollection 2019.

Pioneering bioinformatic analysis using sequence data revealed that teneurins evolved from bacterial tyrosine-aspartate (YD)-repeat protein precursors. Here, we discuss how structures of the C-terminal domain of teneurins, determined using

Insights Into the Origin of Life: Did It Begin from HCN and H.

ACS central science

Das T, Ghule S, Vanka K.
PMID: 31572780
ACS Cent Sci. 2019 Sep 25;5(9):1532-1540. doi: 10.1021/acscentsci.9b00520. Epub 2019 Aug 07.

The seminal Urey-Miller experiments showed that molecules crucial to life such as HCN could have formed in the reducing atmosphere of the Hadean Earth and then dissolved in the oceans. Subsequent proponents of the "RNA World" hypothesis have shown...

Involvement of .

Frontiers in physiology

Elgendy AM, Mohamed AA, Duvic B, Tufail M, Takeda M.
PMID: 34526913
Front Physiol. 2021 Aug 30;12:723072. doi: 10.3389/fphys.2021.723072. eCollection 2021.

Vitellogenins (Vgs) are yolk protein precursors that are regulated by juvenile hormone (JH) and/or 20-hydroxyecdysone (20E) in insects. JH acts as the principal gonadotropin that stimulates vitellogenesis in hemimetabolous insects. In this study, we cloned and characterized the

Developmental Biochemistry of Cottonseed Embryogenesis and Germination : XIII. REGULATION OF BIOSYNTHESIS OF PRINCIPAL STORAGE PROTEINS.

Plant physiology

Dure L, Galau GA.
PMID: 16661868
Plant Physiol. 1981 Jul;68(1):187-94. doi: 10.1104/pp.68.1.187.

The synthesis of the principal cottonseed storage proteins during embryogenesis has been followed by analyses of stained protein gels and of fluorographs of protein synthesized in vivo and from purified RNA in vitro in the wheat germ system. The...

Four-way regulation of mosquito yolk protein precursor genes by juvenile hormone-, ecdysone-, nutrient-, and insulin-like peptide signaling pathways.

Frontiers in physiology

Hansen IA, Attardo GM, Rodriguez SD, Drake LL.
PMID: 24688471
Front Physiol. 2014 Mar 20;5:103. doi: 10.3389/fphys.2014.00103. eCollection 2014.

Anautogenous mosquito females require a meal of vertebrate blood in order to initiate the production of yolk protein precursors by the fat body. Yolk protein precursor gene expression is tightly repressed in a state-of-arrest before blood meal-related signals activate...

Proprotein convertase 1/3-mediated down-regulation of brain-derived neurotrophic factor in cortical neurons induced by oxygen-glucose deprivation.

Neural regeneration research

Zhang XY, Liu F, Chen Y, Guo WC, Zhang ZH.
PMID: 31823886
Neural Regen Res. 2020 Jun;15(6):1066-1070. doi: 10.4103/1673-5374.270314.

Brain-derived neurotrophic factor (BDNF) has robust effects on synaptogenesis, neuronal differentiation and synaptic transmission and plasticity. The maturation of BDNF is a complex process. Proprotein convertase 1/3 (PC1/3) has a key role in the cleavage of protein precursors that...

Altered islet prohormone processing: a cause or consequence of diabetes?.

Physiological reviews

Ramzy A, Kieffer TJ.
PMID: 34280055
Physiol Rev. 2022 Jan 01;102(1):155-208. doi: 10.1152/physrev.00008.2021. Epub 2021 Jul 19.

Peptide hormones are first produced as larger precursor prohormones that require endoproteolytic cleavage to liberate the mature hormones. A structurally conserved but functionally distinct family of nine prohormone convertase enzymes (PCs) are responsible for cleavage of protein precursors, of...

Cytosolic Quality Control of Mitochondrial Protein Precursors-The Early Stages of the Organelle Biogenesis.

International journal of molecular sciences

Lenkiewicz AM, Krakowczyk M, Bragoszewski P.
PMID: 35008433
Int J Mol Sci. 2021 Dec 21;23(1). doi: 10.3390/ijms23010007.

With few exceptions, proteins that constitute the proteome of mitochondria originate outside of this organelle in precursor forms. Such protein precursors follow dedicated transportation paths to reach specific parts of mitochondria, where they complete their maturation and perform their...

Showing 13 to 24 of 29 entries