Category Archives: Alzheimer

GRP78 Overexpression Triggers PINK1-IP3R-Mediated Neuroprotective Mitophagy

GRP78 Overexpression Triggers PINK1-IP3R-Mediated Neuroprotective Mitophagy

By Tatiana Leiva-Rodríguez, David Romeo-Guitart, Mireia Herrando-Grabulosa, Pau Muñoz-Guardiola, Miriam Polo, Celia Bañuls Valerie Petegnief, Assumpció Bosch, Jose Miguel Lizcano, Nadezda Apostolova, Joaquim Forés, and Caty Casas Excerpt from the article published in Biomedicines 2021, 9, 1039. Published: 18 August 2021, DOI: https://doi.org/10.3390/biomedicines9081039 Editor’s Highlights GRP78, also known as BiP or heat shock protein 5a (HSP5a), is […]

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Sigma-1 Receptor Promotes Mitochondrial Bioenergetics by Orchestrating ER Ca2+ Leak during Early ER Stress

Sigma-1 Receptor Promotes Mitochondrial Bioenergetics by Orchestrating ER Ca2+ Leak during Early ER Stress

By Koshenov, Z.; Oflaz, F.E.; Hirtl, M.; Pilic, J.; Bachkoenig, O.A.; Gottschalk, B.; Madreiter-Sokolowski, C.T.; Rost, R.; Malli, R.; Graier, W.F. Excerpt from the article published in Metabolites 2021, 11, 422. Published: 26 June 2021, DOI: https://doi.org/10.3390/metabo11070422 Editor’s Highlights The endoplasmic reticulum (ER) is a complex, multifunctional organelle of eukaryotic cells and responsible for the trafficking and […]

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The Unfolded Protein Response in Immune Cells as an Emerging Regulator of Neuroinflammation

The Unfolded Protein Response in Immune Cells as an Emerging Regulator of Neuroinflammation

By Dominique Fernández, Antonia Geisse, Jose Ignacio Bernales, Alonso Lira, and Fabiola Osorio Excerpt from the article published in Frontiers of Aging Neuroscience, 11 June 2021, Sec. Cellular and Molecular Mechanisms of Brain-aging, DOI: https://doi.org/10.3389/fnagi.2021.682633 Editor’s Highlights Cells possess regulatory mechanisms that maintain proteostasis in conditions that overload the folding capacity of the organelle (a […]

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The Role of Astrocytes in the Neurorepair Process

The Role of Astrocytes in the Neurorepair Process

By Raphaela Almeida Chiareli, Gustavo Almeida Carvalho, Bruno Lemes Marques, Lennia Soares Mota, Onésia Cristina Oliveira-Lima, Rodrigo Mello Gomes, Alexander Birbrair, Renato Santiago Gomez, Fabrício Simão, Friederike Klempin, Marcel Leist, and Mauro Cunha Xavier Pinto Excerpt from the article published in Frontiers in Cell and Developmental Biology, 25 May 2021 | https://doi.org/10.3389/fcell.2021.665795 Editor’s Highlights Astrocytes […]

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Axonal generation of amyloid-b from palmitoylated APP in mitochondria-associated endoplasmic reticulum membranes

Axonal generation of amyloid-b from palmitoylated APP in mitochondria-associated endoplasmic reticulum membranes

By Raja Bhattacharyya, Sophia E. Black, Madhura S. Lotlikar, Rebecca H. Fenn, Mehdi Jorfi, Dora M. Kovacs, Rudolph E. Tanzi Excerpt from the article published in Cell Rep. May 18, 2021 DOI: https://doi.org/10.1016/j.celrep.2021.109134 Editor’s Highlights Axonal generation of Alzheimer’s disease (AD)-associated amyloid-β (Aβ) plays a key role in AD neuropathology To transport proteins to the cell […]

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The ER protein Ema19 [tmem97] facilitates the degradation of nonimported mitochondrial precursor proteins

The ER protein Ema19 [tmem97] facilitates the degradation of nonimported mitochondrial precursor proteins

By Janina Laborenz, Yury S. Bykov, Katharina Knöringer, Markus Räschle, Sabine Filker, Cristina Prescianotto-Baschong, Anne Spang, Takashi Tatsuta, Thomas Langer, Zuzana Storchová, Maya Schuldiner, and Johannes M. Herrmann Excerpt from the article published on Molecular Biology of the Cell, Volume 32, Issue 8, Published Online: 13 Apr 2021, DOI: https://doi.org/10.1091/mbc.E20-11-0748 Editor’s Highlights Ema19 is the […]

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TMEM97 increases in synapses and is a potential synaptic Aβ binding partner in human Alzheimer’s disease

TMEM97 increases in synapses and is a potential synaptic Aβ binding partner in human Alzheimer’s disease

By Martí Colom-Cadena, Jane Tulloch, Rosemary J Jackson, James H Catterson, Jamie Rose, Caitlin Davies, Monique Hooley, Alejandro Anton-Fernandez, Sophie Dunnett, Robert Tempelaar, Makis Tzioras, Nicholas J Izzo, Susan M. Catalano, Colin Smith, and Tara L. Spires-Jones Excerpt from the article published in bioRxiv 2021.02.01, 428238; DOI: https://doi.org/10.1101/2021.02.01.428238 Editor’s Highlights Abstract Synapse loss correlates with cognitive decline in […]

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α-Synuclein modulates tau spreading in mouse brains

α-Synuclein modulates tau spreading in mouse brains

By Fares Bassil, Emily S. Meymand, Hannah J. Brown, Hong Xu, Timothy O. Cox, Shankar Pattabhiraman, Chantal M. Maghames, Qihui Wu, Bin Zhang, John Q. Trojanowski, and Virginia M.-Y. Lee Excerpt from the article published in Journal of Experimental Medicine, 4 January 2021; 218 (1): e20192193. DOI: https://doi.org/10.1084/jem.20192193 Editor’s Highlights Neuropathological data obtained from Parkinson’s disease (PD) […]

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Sigma-2 Receptor—A Potential Target for Cancer/Alzheimer’s Disease Treatment via Its Regulation of Cholesterol Homeostasis

Sigma-2 Receptor—A Potential Target for Cancer/Alzheimer’s Disease Treatment via Its Regulation of Cholesterol Homeostasis

By Kai Yang, Cheng Zeng, Changcai Wang, Meng Sun, Dan Yin, and Taolei Sun Excerpt from the article published in Molecules 25, no. 22: 5439, 2020 https://doi.org/10.3390/molecules25225439 Editor’s Highlights Recently transmembrane protein 97 (TMEM97) was identified as a sigma-2 receptor identity using mass spectrometry after affinity purification from the liver. TMEM97/sigma-2 receptor forms a trimeric complex […]

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The Sigma-2 Receptor, PGRMC1, and LDL Receptor complex are responsible for the cellular uptake of Aβ42 and its protein aggregates

The Sigma-2 Receptor, PGRMC1, and LDL Receptor complex are responsible for the cellular uptake of Aβ42 and its protein aggregates

by Aladdin Riad, Zsofia Lengyel-Zhand, Chenbo Zeng, Chi-Chang Weng, Virginia M.-Y. Lee, John Q. Trojanowski, and Robert H. Mach Excerpt from the article published in final edited form as: Mol Neurobiol. 2020 September DOI: 10.1007/s12035-020-01988-1 Editor’s Highlights Sigma-2 receptor (TMEM97) and PGRMC1 are therapeutic targets for inhibiting neuronal uptake of Aβ42 and ApoE-associated Aβ42 and potentially […]

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