GRP78 at the centre of the stage in cancer and neuroprotection

C Casas - Frontiers in neuroscience, 2017 - frontiersin.org
The 78-kDa glucose-regulated protein GRP78, also known as BiP and HSP5a, is a
multifunctional protein with activities far beyond its well-known role in the unfolded protein …

HSPA5 Gene encoding Hsp70 chaperone BiP in the endoplasmic reticulum

J Wang, J Lee, D Liem, P Ping - Gene, 2017 - Elsevier
The HSPA5 gene encodes the binding immunoglobulin protein (BiP), an Hsp70 family
chaperone localized in the ER lumen. As a highly conserved molecular chaperone, BiP …

The chaperone GRP78 is a host auxiliary factor for SARS-CoV-2 and GRP78 depleting antibody blocks viral entry and infection

AJ Carlos, DP Ha, DW Yeh, R Van Krieken… - Journal of Biological …, 2021 - ASBMB
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of
the COVID-19 global pandemic, utilizes the host receptor angiotensin-converting enzyme 2 …

CAR T cells redirected to cell surface GRP78 display robust anti-acute myeloid leukemia activity and do not target hematopoietic progenitor cells

N Hebbar, R Epperly, A Vaidya, U Thanekar… - Nature …, 2022 - nature.com
Developing CAR T cells for acute myeloid leukemia (AML) has been hampered by a paucity
of targets that are expressed on AML blasts and not on hematopoietic progenitor cells …

Recent insights into the role of unfolded protein response in ER stress in health and disease

D Lindholm, L Korhonen, O Eriksson… - Frontiers in cell and …, 2017 - frontiersin.org
Unfolded stress response (UPR) is a conserved cellular pathway involved in protein quality
control to maintain homeostasis under different conditions and disease states characterized …

Middle East respiratory syndrome coronavirus and bat coronavirus HKU9 both can utilize GRP78 for attachment onto host cells

H Chu, CM Chan, X Zhang, Y Wang, S Yuan… - Journal of Biological …, 2018 - ASBMB
Coronavirus tropism is predominantly determined by the interaction between coronavirus
spikes and the host receptors. In this regard, coronaviruses have evolved a complicated …

Glucose‐regulated protein (GRP78) is an important cell surface receptor for viral invasion, cancers, and neurological disorders

M Gonzalez‐Gronow, U Gopal, RC Austin… - IUBMB life, 2021 - Wiley Online Library
The 78 kDa glucose‐regulated protein (GRP78) is an endoplasmic reticulum (ER)‐resident
molecular chaperone. GRP78 is a member of the 70 kDa heat shock family of proteins …

[HTML][HTML] Cell surface GRP78: An emerging imaging marker and therapeutic target for cancer

M Farshbaf, AY Khosroushahi, S Mojarad-Jabali… - Journal of Controlled …, 2020 - Elsevier
As one of the deadliest diseases, cancer frequently resists existing therapeutics because
they do not target all cells within a progressing tumor, for example both tumor stem and …

The biological function of the prion protein: a cell surface scaffold of signaling modules

R Linden - Frontiers in molecular neuroscience, 2017 - frontiersin.org
The prion glycoprotein (PrPC) is mostly located at the cell surface, tethered to the plasma
membrane through a glycosyl-phosphatydil inositol (GPI) anchor. Misfolding of PrPC is …

Endoplasmic reticulum chaperone GRP78 protects heart from ischemia/reperfusion injury through Akt activation

X Bi, G Zhang, X Wang, C Nguyen, HI May, X Li… - Circulation …, 2018 - Am Heart Assoc
Rationale: Restoration of coronary artery blood flow is the most effective means of
ameliorating myocardial damage triggered by ischemic heart disease. However, coronary …