Cell biology of prions and prionoids: a status report

A Aguzzi, AKK Lakkaraju - Trends in cell biology, 2016 - cell.com
The coalescence of proteins into highly ordered aggregates is a hallmark of protein misfolding
disorders (PMDs), which, when affecting the central nervous system, lead to progressive …

Toward therapy of human prion diseases

A Aguzzi, AKK Lakkaraju… - Annual review of …, 2018 - annualreviews.org
Three decades after the discovery of prions as the cause of Creutzfeldt-Jakob disease and
other transmissible spongiform encephalopathies, we are still nowhere close to finding an …

The prion protein is an agonistic ligand of the G protein-coupled receptor Adgrg6

A Küffer, AKK Lakkaraju, A Mogha, SC Petersen… - Nature, 2016 - nature.com
Ablation of the cellular prion protein PrP C leads to a chronic demyelinating polyneuropathy
affecting Schwann cells. Neuron-restricted expression of PrP C prevents the disease 1 , …

Palmitoylated calnexin is a key component of the ribosome–translocon complex

AKK Lakkaraju, L Abrami, T Lemmin, S Blaskovic… - The EMBO …, 2012 - embopress.org
A third of the human genome encodes N‐glycosylated proteins. These are co‐translationally
translocated into the lumen/membrane of the endoplasmic reticulum (ER) where they fold …

[HTML][HTML] SRP keeps polypeptides translocation-competent by slowing translation to match limiting ER-targeting sites

AKK Lakkaraju, C Mary, A Scherrer, AE Johnson… - Cell, 2008 - cell.com
SRP is essential for targeting nascent chains to the endoplasmic reticulum, and it delays
nascent chain elongation in cell-free translation systems. However, the significance of this …

Efficient secretion of small proteins in mammalian cells relies on Sec62-dependent posttranslational translocation

AKK Lakkaraju, R Thankappan, C Mary… - Molecular biology of …, 2012 - Am Soc Cell Biol
Mammalian cells secrete a large number of small proteins, but their mode of translocation
into the endoplasmic reticulum is not fully understood. Cotranslational translocation was …

[HTML][HTML] Inhibition of group-I metabotropic glutamate receptors protects against prion toxicity

D Goniotaki, AKK Lakkaraju, AN Shrivastava… - PLoS …, 2017 - journals.plos.org
Prion infections cause inexorable, progressive neurological dysfunction and neurodegeneration.
Expression of the cellular prion protein PrP C is required for toxicity, suggesting the …

[HTML][HTML] GPR56/ADGRG1 regulates development and maintenance of peripheral myelin

…, M D'Rozario, NE Sanchez, AKK Lakkaraju… - Journal of Experimental …, 2018 - rupress.org
Myelin is a multilamellar sheath generated by specialized glia called Schwann cells (SCs)
in the peripheral nervous system (PNS), which serves to protect and insulate axons for rapid …

Residues in SRP9/14 essential for elongation arrest activity of the signal recognition particle define a positively charged functional domain on one side of the protein

C Mary, A Scherrer, L Huck, AKK Lakkaraju, Y Thomas… - Rna, 2010 - rnajournal.cshlp.org
The signal recognition particle (SRP) is a ubiquitous cytoplasmic ribonucleoprotein complex
required for the cotranslational targeting of proteins to the endoplasmic reticulum (ER). In …

Glial activation in prion diseases is selectively triggered by neuronal PrPSc

AKK Lakkaraju, S Sorce, A Senatore… - Brain …, 2022 - Wiley Online Library
Although prion infections cause cognitive impairment and neuronal death, transcriptional
and translational profiling shows progressive derangement within glia but surprisingly little …