¶ Endoplasmic Reticulum Stress and the Unfolded Protein Response
Endoplasmic Reticulum Stress And The [unfolded protein response[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Endoplasmic reticulum (ER) stress is a cellular condition that arises when the protein-folding capacity of the ER is overwhelmed by an accumulation of unfolded or misfolded proteins in its lumen. In response, cells activate the unfolded protein response —a highly conserved signaling network that initially attempts to restore ER homeostasis by reducing protein synthesis, enhancing protein folding capacity, and promoting degradation of misfolded proteins. However, when ER stress is severe or prolonged, the [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- shifts from a pro-survival to a pro-apoptotic program, triggering cell death pathways that contribute to neurodegeneration 1(https://www.mdpi.com/3042-4518/1/2/6) [1].
ER stress and [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- activation are now recognized as fundamental pathological features of virtually all major [neurodegenerative diseases], including [Alzheimer's disease[/diseases/[alzheimers[/diseases/[alzheimers[/diseases/[alzheimers--TEMP--/diseases)--FIX--, [Parkinson's disease[/diseases/[parkinsons[/diseases/[parkinsons[/diseases/[parkinsons--TEMP--/diseases)--FIX--, [ALS[/diseases/[als[/diseases/[als[/diseases/[als--TEMP--/diseases)--FIX--, [Huntington's disease[/mechanisms/[huntington-pathway[/mechanisms/[huntington-pathway[/mechanisms/[huntington-pathway--TEMP--/mechanisms)--FIX--, and [prion diseases[/diseases/[prion-diseases[/diseases/[prion-diseases[/diseases/[prion-diseases--TEMP--/diseases)--FIX--. The accumulation of disease-specific misfolded proteins—[amyloid-beta[/entities/[amyloid-beta[/entities/[amyloid-beta[/entities/[amyloid-beta--TEMP--/entities)--FIX-- and tau] in AD, [alpha-synuclein[/proteins/[alpha-synuclein[/proteins/[alpha-synuclein[/proteins/[alpha-synuclein--TEMP--/proteins)--FIX-- in PD, SOD1/[TDP-43[/entities/[tdp-43[/entities/[tdp-43[/entities/[tdp-43--TEMP--/entities)--FIX--/FUS in ALS, and [huntingtin[/proteins/[huntingtin[/proteins/[huntingtin[/proteins/[huntingtin--TEMP--/proteins)--FIX-- in HD—overwhelms the ER's protein quality control machinery, creating a chronic ER stress state that drives neuronal dysfunction and death 2(https://pmc.ncbi.nlm.nih.gov/articles/PMC11753521/) [2].
The ER is the largest membrane-bound organelle, forming a continuous network of tubules and cisternae throughout the cell. In [neurons[/entities/[neurons[/entities/[neurons[/entities/[neurons--TEMP--/entities)--FIX--, the ER extends from the soma into dendrites (as spine apparatus) and axons, performing essential functions:
- Protein folding and quality control: Approximately one-third of all cellular proteins are synthesized and folded in the ER lumen, assisted by molecular chaperones (BiP/GRP78, calnexin, calreticulin, protein disulfide isomerases)
- Calcium storage and signaling: The ER is the principal intracellular calcium store, maintaining luminal Ca²⁺ concentrations 1,000–10,000-fold higher than cytosolic levels. ER calcium release through IP3 and ryanodine receptors is critical for [synaptic plasticity[/entities/[long-term-potentiation[/entities/[long-term-potentiation[/entities/[long-term-potentiation--TEMP--/entities)--FIX-- and [long-term potentiation[/entities/[long-term-potentiation[/entities/[long-term-potentiation[/entities/[long-term-potentiation--TEMP--/entities)--FIX--
- Lipid synthesis: Phospholipid, cholesterol, and sphingolipid biosynthesis occurs in the ER
- ER-mitochondria contacts: Mitochondria-associated ER membranes (MAMs) mediate calcium transfer, lipid exchange, and [mitochondrial dynamics[/entities/[mitochondrial-dynamics[/entities/[mitochondrial-dynamics[/entities/[mitochondrial-dynamics--TEMP--/entities)--FIX-- 3(https://www.mdpi.com/1422-0067/21/17/6127)
[neurons[/entities/[neurons[/entities/[neurons[/entities/[neurons--TEMP--/entities)--FIX-- are particularly susceptible to ER stress due to:
- High protein synthesis demands for maintaining synaptic function, axonal transport, and neurotransmitter production
- Long-lived post-mitotic cells that cannot dilute misfolded protein burden through cell division
- Extensive dendritic and axonal processes requiring ER function far from the soma
- High metabolic rates generating [oxidative stress[/mechanisms/[oxidative-stress[/mechanisms/[oxidative-stress[/mechanisms/[oxidative-stress--TEMP--/mechanisms)--FIX-- that can damage ER-resident proteins
- Limited regenerative capacity, making ER stress-induced apoptosis irreversible
The [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- is mediated by three ER-resident transmembrane sensor proteins, each initiating distinct signaling cascades:
IRE1α is the most evolutionarily conserved [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- sensor:
- Activation: Under ER stress, BiP/GRP78 dissociates from IRE1α's luminal domain (or misfolded proteins bind directly), triggering dimerization and trans-autophosphorylation
- XBP1 splicing: Activated IRE1α's endoribonuclease domain catalyzes unconventional splicing of XBP1 mRNA, generating the transcription factor XBP1s (spliced)
- Transcriptional targets: XBP1s upregulates genes involved in ER-associated degradation (ERAD), lipid biosynthesis, and ER expansion
- RIDD (Regulated IRE1-Dependent Decay): Under prolonged stress, IRE1α degrades specific mRNAs localized to the ER membrane, reducing protein influx but also depleting essential transcripts
- Pro-apoptotic signaling: Sustained IRE1α activation recruits TRAF2 and activates ASK1-JNK pro-apoptotic signaling 4(https://pmc.ncbi.nlm.nih.gov/articles/PMC4541706/)
PERK provides rapid translational control during ER stress:
- Activation: BiP dissociation triggers PERK dimerization and autophosphorylation
- eIF2α phosphorylation: Activated PERK phosphorylates eukaryotic translation initiation factor 2α (eIF2α) at Ser51, causing global attenuation of cap-dependent mRNA translation (~30–50% reduction)
- Selective translation: Paradoxically, eIF2α phosphorylation enhances translation of specific mRNAs with upstream open reading frames (uORFs), notably ATF4
- ATF4 transcriptional program: ATF4 upregulates genes for amino acid biosynthesis, redox homeostasis, and [autophagy[/entities/[autophagy[/entities/[autophagy[/entities/[autophagy--TEMP--/entities)--FIX--
- CHOP induction: Under prolonged stress, ATF4 induces CHOP/GADD153, a transcription factor that promotes apoptosis by repressing anti-apoptotic BCL-2, inducing pro-apoptotic BIM, and amplifying [oxidative stress[/mechanisms/[oxidative-stress[/mechanisms/[oxidative-stress[/mechanisms/[oxidative-stress--TEMP--/mechanisms)--FIX--
The PERK-CHOP axis is now considered a critical, convergent mechanism of neurotoxicity in multiple proteinopathies 2(https://pmc.ncbi.nlm.nih.gov/articles/PMC11753521/) [3].
ATF6 provides a transcriptional response to ER stress:
- Activation: Under ER stress, ATF6 translocates from the ER to the Golgi
- Proteolytic processing: Site-1 protease (S1P) and site-2 protease (S2P) sequentially cleave ATF6, releasing the cytoplasmic transcription factor domain (ATF6f)
- Transcriptional targets: ATF6f activates genes encoding ER chaperones (BiP, GRP94, calreticulin), ERAD components, and XBP1 (creating a feedforward loop with IRE1α) 3(https://www.mdpi.com/1422-0067/21/17/6127)
Multiple lines of evidence link ER stress to [Alzheimer's disease[/diseases/[alzheimers[/diseases/[alzheimers[/diseases/[alzheimers--TEMP--/diseases)--FIX-- pathogenesis:
- [amyloid-beta[/entities/[amyloid-beta[/entities/[amyloid-beta[/entities/[amyloid-beta--TEMP--/entities)--FIX-- oligomers: Extracellular [Aβ[/entities/[amyloid-beta[/entities/[amyloid-beta[/entities/[amyloid-beta--TEMP--/entities)--FIX-- oligomers induce ER stress by disrupting ER calcium homeostasis through activation of IP3 and ryanodine receptors, and by direct interaction with ER-resident proteins
- [Presenilin mutations]: Familial AD-linked [presenilin-1[/genes/[psen1[/genes/[psen1[/genes/[psen1--TEMP--/genes)--FIX-- mutations impair the ER calcium leak channel function of presenilin, altering ER calcium stores and sensitizing [neurons[/entities/[neurons[/entities/[neurons[/entities/[neurons--TEMP--/entities)--FIX-- to ER stress
- [Tau[/entities/[tau-protein[/entities/[tau-protein[/entities/[tau-protein--TEMP--/entities)--FIX-- pathology: Hyperphosphorylated tau] accumulates in the ER, impairs ERAD, and activates the [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX--. The PERK pathway is activated in [neurons[/entities/[neurons[/entities/[neurons[/entities/[neurons--TEMP--/entities)--FIX-- bearing [neurofibrillary tangles[/mechanisms/[neurofibrillary-tangles[/mechanisms/[neurofibrillary-tangles[/mechanisms/[neurofibrillary-tangles--TEMP--/mechanisms)--FIX--
- Postmortem evidence: [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- activation markers (phospho-PERK, phospho-IRE1α, phospho-eIF2α) are elevated in [hippocampal] and [entorhinal [cortex[/brain-regions/[cortex[/brain-regions/[cortex[/brain-regions/[cortex--TEMP--/brain-regions)--FIX-- [neurons[/entities/[neurons[/entities/[neurons[/entities/[neurons--TEMP--/entities)--FIX-- of AD patients, with increased CHOP expression in regions of neurodegeneration 5(https://onlinelibrary.wiley.com/doi/full/10.1002/mco2.701)
ER stress is a prominent feature of [Parkinson's disease[/diseases/[parkinsons[/diseases/[parkinsons[/diseases/[parkinsons--TEMP--/diseases)--FIX--:
- [alpha-synuclein[/proteins/[alpha-synuclein[/proteins/[alpha-synuclein[/proteins/[alpha-synuclein--TEMP--/proteins)--FIX-- aggregation: Misfolded α-synuclein oligomers accumulate in the ER, impair ER-to-Golgi vesicular transport (by binding to Rab1 GTPase), and directly activate the [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX--
- [LRRK2[/genes/[lrrk2[/genes/[lrrk2[/genes/[lrrk2--TEMP--/genes)--FIX-- mutations: G2019S and other PD-linked LRRK2 mutations increase ER stress sensitivity in [dopaminergic neurons[/cell-types/[dopaminergic-neurons-snpc[/cell-types/[dopaminergic-neurons-snpc[/cell-types/[dopaminergic-neurons-snpc--TEMP--/cell-types)--FIX--
- [Parkin[/genes/[prkn[/genes/[prkn[/genes/[prkn--TEMP--/genes)--FIX-- and [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX--: Parkin, an E3 ubiquitin ligase mutated in autosomal recessive PD, promotes ERAD of misfolded proteins. Loss of Parkin function impairs ER protein quality control
- Selective vulnerability: [dopaminergic neurons[/cell-types/[dopaminergic-neurons-snpc[/cell-types/[dopaminergic-neurons-snpc[/cell-types/[dopaminergic-neurons-snpc--TEMP--/cell-types)--FIX-- in the [substantia nigra[/brain-regions/[substantia-nigra[/brain-regions/[substantia-nigra[/brain-regions/[substantia-nigra--TEMP--/brain-regions)--FIX-- show elevated basal [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- activation, suggesting they operate near the threshold of ER stress tolerance 6(https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2023.1288894/full)
[amyotrophic lateral sclerosis[/diseases/[als[/diseases/[als[/diseases/[als--TEMP--/diseases)--FIX-- features prominent ER stress in motor [neurons[/entities/[neurons[/entities/[neurons[/entities/[neurons--TEMP--/entities)--FIX--:
- SOD1 mutants: Misfolded SOD1 accumulates in the ER and activates all three [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- branches
- [TDP-43[/entities/[tdp-43[/entities/[tdp-43[/entities/[tdp-43--TEMP--/entities)--FIX-- pathology: [TDP-43[/entities/[tdp-43[/entities/[tdp-43[/entities/[tdp-43--TEMP--/entities)--FIX-- mislocalization and aggregation disrupts ER-mitochondria contacts and activates ER stress
- [FUS[/entities/[fus[/entities/[fus[/entities/[fus--TEMP--/entities)--FIX--: FUS mutations impair RNA processing of ER stress response genes
- [C9orf72[/genes/[c9orf72[/genes/[c9orf72[/genes/[c9orf72--TEMP--/genes)--FIX--: Dipeptide repeat proteins from the [C9orf72[/genes/[c9orf72[/genes/[c9orf72[/genes/[c9orf72--TEMP--/genes)--FIX-- hexanucleotide expansion induce ER stress through multiple mechanisms
In [Huntington's disease[/mechanisms/[huntington-pathway[/mechanisms/[huntington-pathway[/mechanisms/[huntington-pathway--TEMP--/mechanisms)--FIX--:
- Mutant [huntingtin[/proteins/[huntingtin[/proteins/[huntingtin[/proteins/[huntingtin--TEMP--/proteins)--FIX-- with expanded polyglutamine repeats disrupts ER calcium homeostasis
- Polyglutamine aggregates sequester ERAD components, impairing ER protein quality control
- [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- activation is observed in medium spiny [neurons[/entities/[neurons[/entities/[neurons[/entities/[neurons--TEMP--/entities)--FIX-- of the [striatum[/brain-regions/[striatum[/brain-regions/[striatum[/brain-regions/[striatum--TEMP--/brain-regions)--FIX--, the neuronal population most affected in HD
[Prion diseases[/diseases/[prion-diseases[/diseases/[prion-diseases[/diseases/[prion-diseases--TEMP--/diseases)--FIX-- show some of the strongest evidence for ER stress-mediated neurodegeneration:
- Misfolded prion protein (PrPSc) accumulates in the ER and activates the PERK pathway
- Sustained eIF2α phosphorylation causes catastrophic repression of protein synthesis in prion-infected [neurons[/entities/[neurons[/entities/[neurons[/entities/[neurons--TEMP--/entities)--FIX--
- Genetic or pharmacological restoration of translation (ISRIB, trazodone) rescues neurodegeneration in Prion Disease models
- ISRIB (Integrated Stress Response Inhibitor): Reverses the translational block caused by eIF2α phosphorylation without affecting [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- signaling. Shows neuroprotective effects in Prion Disease and Frontotemporal Dementia models
- GSK2606414: Selective PERK kinase inhibitor that prevents eIF2α phosphorylation and rescues neurodegeneration in prion-infected mice, though with pancreatic toxicity limiting clinical development
- Trazodone: An existing antidepressant that partially inhibits eIF2α phosphorylation-mediated translational repression; has entered clinical trials for neurodegenerative conditions 7(https://pmc.ncbi.nlm.nih.gov/articles/PMC4541706/)
- 4-Phenylbutyric acid (4-PBA): Facilitates protein folding in the ER, reducing ER stress in preclinical models of AD, PD, and ALS
- Tauroursodeoxycholic acid (TUDCA): Bile acid derivative with chemical chaperone properties that reduces ER stress and apoptosis; in clinical trials for ALS
- Arimoclomol: Amplifies heat shock protein expression to enhance protein quality control
- XBP1s gene delivery shows neuroprotective effects in models of PD and HD
- IRE1α kinase inhibitors and RNase modulators are in preclinical development
- Strategies to upregulate ERAD capacity for clearing misfolded proteins from the ER
- Proteasome activators that enhance downstream degradation of ERAD substrates
- [autophagy[/entities/[autophagy[/entities/[autophagy[/entities/[autophagy--TEMP--/entities)--FIX-- enhancers (rapamycin, trehalose) that provide alternative clearance pathways when ERAD is overwhelmed
ER stress intersects with multiple other neurodegenerative mechanisms:
- [neuroinflammation[/mechanisms/[neuroinflammation[/mechanisms/[neuroinflammation[/mechanisms/[neuroinflammation--TEMP--/mechanisms)--FIX--: [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- activation promotes [NF-κB[/entities/[nf-kb[/entities/[nf-kb[/entities/[nf-kb--TEMP--/entities)--FIX-- signaling and [NLRP3[/mechanisms/[nlrp3-inflammasome[/mechanisms/[nlrp3-inflammasome[/mechanisms/[nlrp3-inflammasome--TEMP--/mechanisms)--FIX-- inflammasome] activation, amplifying [neuroinflammation[/mechanisms/[neuroinflammation[/mechanisms/[neuroinflammation[/mechanisms/[neuroinflammation--TEMP--/mechanisms)--FIX--
- [Mitochondrial dysfunction[/mechanisms/[mitochondrial-dysfunction[/mechanisms/[mitochondrial-dysfunction[/mechanisms/[mitochondrial-dysfunction--TEMP--/mechanisms)--FIX--: ER-mitochondria calcium transfer through MAMs is disrupted by ER stress, impairing [mitochondrial] bioenergetics
- [Calcium dysregulation]: ER stress depletes ER calcium stores, contributing to cytoplasmic calcium overload
- [oxidative stress[/mechanisms/[oxidative-stress[/mechanisms/[oxidative-stress[/mechanisms/[oxidative-stress--TEMP--/mechanisms)--FIX--: ER protein folding is an oxidative process; misfolding increases [reactive oxygen species[/mechanisms/[oxidative-stress[/mechanisms/[oxidative-stress[/mechanisms/[oxidative-stress--TEMP--/mechanisms)--FIX-- production
- [autophagy[/entities/[autophagy[/entities/[autophagy[/entities/[autophagy--TEMP--/entities)--FIX--: [UPR[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- activation induces [autophagy[/entities/[autophagy[/entities/[autophagy[/entities/[autophagy--TEMP--/entities)--FIX-- through ATF4 and CHOP, but chronic ER stress can impair autophagic flux
- [Protein aggregation[/mechanisms/[protein-aggregation[/mechanisms/[protein-aggregation[/mechanisms/[protein-aggregation--TEMP--/mechanisms)--FIX--: Impaired ER quality control promotes the accumulation and secretion of misfolded protein aggregates
- [Huntingtin[/proteins/[huntingtin[/proteins/[huntingtin[/proteins/[huntingtin--TEMP--/proteins)--FIX--
- [All Mechanisms[/[mechanisms[/[mechanisms[/[mechanisms[/[mechanisms[/[mechanisms[/mechanisms
The study of Endoplasmic Reticulum Stress And The [unfolded protein response[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress[/mechanisms/[endoplasmic-reticulum-stress--TEMP--/mechanisms)--FIX-- has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
- [Sprenkle NT, Sims SG, Sánchez CL, et al. Endoplasmic reticulum stress in neurodegenerative diseases. Mol Neurodegener. 2024;1(2]:6. [MDPI]https://www.mdpi.com/3042-4518/1/2/6)
- [Huang Y, Chen W, et al. Roles of endoplasmic reticulum stress and activating transcription factors in Alzheimer's Disease and Parkinson's Disease. Tzu Chi Med J. 2025;37(1]:10-16. PMC)
- [Remondelli P, Bhatt S. The endoplasmic reticulum unfolded protein response in neurodegenerative disorders and its potential therapeutic significance. Int J Mol Sci. 2020;21(17]:6127. [MDPI]https://www.mdpi.com/1422-0067/21/17/6127)
- [Hetz C, Bhatt S, Bhatt P. The unfolded protein response in neurodegenerative diseases: a neuropathological perspective. Acta Neuropathol. 2015;130(3]:369-380. PMC)
- [Liu J, Bhatt S, et al. Endoplasmic reticulum stress in diseases. MedComm. 2024;5(11]:e701. [Wiley]https://onlinelibrary.wiley.com/doi/full/10.1002/mco2.701)
- [Esteves AR, Cardoso SM. Strategies targeting endoplasmic reticulum stress to improve [Parkinson's disease[/diseases/[parkinsons[/diseases/[parkinsons[/diseases/[parkinsons--TEMP--/diseases)--FIX--. Front Pharmacol. 2023;14:1288894. [Frontiers]https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2023.1288894/full)
- [Halliday M, Radford H, Sekine Y, et al. Partial restoration of protein synthesis rates by the small molecule ISRIB prevents neurodegeneration without pancreatic toxicity. Cell Death Dis. 2015;6:e1672. PubMed)
- [Hetz C, Mollereau B. Disturbance of endoplasmic reticulum proteostasis in neurodegenerative diseases. Nat Rev Neurosci. 2014;15(4]:233-249. PubMed)
- [Moreno JA, Radford H, Peretti D, et al. Sustained translational repression by eIF2α-P mediates prion neurodegeneration. Nature. 2012;485(7399]:507-511. PubMed)
- [Halliday M, Radford H, Zents KAM, et al. Repurposed drugs targeting eIF2α-P-mediated translational repression prevent neurodegeneration in mice. Brain. 2017;140(6]:1768-1783. PubMed)
- [Hetz C, Zhang K, Bhatt S, Bhatt P. Mechanisms, regulation and functions of the unfolded protein response. Nat Rev Mol Cell Biol. 2020;21(8]:421-438. PubMed)
- [Gerakis Y, Hetz C. Emerging roles of ER stress in the etiology and pathogenesis of Alzheimer's Disease. FEBS J. 2018;285(6]:995-1011. PubMed)
🔴 Low Confidence
| Dimension |
Score |
| Supporting Studies |
12 references |
| Replication |
0% |
| Effect Sizes |
25% |
| Contradicting Evidence |
33% |
| Mechanistic Completeness |
50% |
Overall Confidence: 39%