User profiles for Francisco N. Barrera

Francisco N. Barrera

University of Tennessee
Verified email at utk.edu
Cited by 3462

How cholesterol stiffens unsaturated lipid membranes

…, RF Standaert, FN Barrera… - Proceedings of the …, 2020 - National Acad Sciences
Cholesterol is an integral component of eukaryotic cell membranes and a key molecule in
controlling membrane fluidity, organization, and other physicochemical parameters. It also …

[HTML][HTML] pH-responsive high stability polymeric nanoparticles for targeted delivery of anticancer therapeutics

…, VP Nguyen, L Ali, R Pasricha, FN Barrera… - Communications …, 2020 - nature.com
The practical application of nanoparticles (NPs) as chemotherapeutic drug delivery systems
is often hampered by issues such as poor circulation stability and targeting inefficiency. Here…

[HTML][HTML] A variant ECE1 allele contributes to reduced pathogenicity of Candida albicans during vulvovaginal candidiasis

…, GE Palmer, JP Richardson, FN Barrera… - PLoS …, 2021 - journals.plos.org
Vulvovaginal candidiasis (VVC), caused primarily by the human fungal pathogen Candida
albicans, results in significant quality-of-life issues for women worldwide. Candidalysin, a …

pH-responsive upconversion mesoporous silica nanospheres for combined multimodal diagnostic imaging and targeted photodynamic and photothermal cancer …

…, R Straubinger, S Thomas, AJ Afzal, FN Barrera… - ACS …, 2023 - ACS Publications
Photodynamic therapy (PDT) and photothermal therapy (PTT) have gained considerable
attention as potential alternatives to conventional cancer treatments. However, these …

Membrane physical properties influence transmembrane helix formation

FN Barrera, J Fendos… - Proceedings of the …, 2012 - National Acad Sciences
The pHLIP peptide has three states: (I) soluble in aqueous buffer, (II) bound to the bilayer
surface at neutral pH, and (III) inserted as a transmembrane (TM) helix at acidic pH. The …

A novel soluble peptide with pH-responsive membrane insertion

…, DS Alves, HL Scott, FL Davis, FN Barrera - Biochemistry, 2015 - ACS Publications
Several diseases, such as cancer, are characterized by acidification of the extracellular
environment. Acidosis can be employed as a target to specifically direct therapies to the …

[HTML][HTML] Binding of the C-terminal sterile α motif (SAM) domain of human p73 to lipid membranes

FN Barrera, JA Poveda, JM González-Ros… - Journal of Biological …, 2003 - ASBMB
The α splice variant of p73 (p73α), a homologue of the tumor suppressor p53, has close to
its C terminus a sterile α motif (SAM), SAMp73, that is thought to be involved in protein-protein …

Targeting acidity in diseased tissues: mechanism and applications of the membrane-inserting peptide, pHLIP

JC Deacon, DM Engelman, FN Barrera - Archives of biochemistry and …, 2015 - Elsevier
pHLIPs are a family of soluble ∼36 amino acid peptides, which bind to membrane surfaces.
If the environment is acidic, a pHLIP folds and inserts across the membrane to form a stable …

Roles of carboxyl groups in the transmembrane insertion of peptides

FN Barrera, D Weerakkody, M Anderson… - Journal of molecular …, 2011 - Elsevier
We have used pHLIP® [pH (low) insertion peptide] to study the roles of carboxyl groups in
transmembrane (TM) peptide insertion. pHLIP binds to the surface of a lipid bilayer as a …

[HTML][HTML] Membrane receptor activation mechanisms and transmembrane peptide tools to elucidate them

JM Westerfield, FN Barrera - Journal of Biological Chemistry, 2020 - ASBMB
Single-pass membrane receptors contain extracellular domains that respond to external stimuli
and transmit information to intracellular domains through a single transmembrane (TM) α-…