The Zrt/Irt-like protein (ZIP) family consists of ubiquitously expressed divalent -block metal transporters that play central roles in the uptake, secretion, excretion, and distribution of several essential and toxic metals in living organisms. The past few years has witnessed rapid progress in the molecular basis of these membrane transport proteins. In this critical review, we summarize the research progress at the molecular level of the ZIP family and discuss the future prospects. Furthermore, an evolutionary path for the unique ZIP fold and a new classification of the ZIP family are proposed based on the presented structural and sequence analyses.
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http://dx.doi.org/10.1080/10409238.2024.2405476 | DOI Listing |
JIMD Rep
January 2025
The Morris Kahn Laboratory of Human Genetics, Faculty of Health Sciences Ben Gurion University Beer-Sheva Israel.
The tightly-regulated spatial and temporal distribution of zinc ion concentrations within cellular compartments is controlled by two groups of Zn transporters: the 14-member ZIP/SLC39 family, facilitating Zn influx into the cytoplasm from the extracellular space or intracellular organelles; and the 10-member ZnT/SLC30 family, mobilizing Zn in the opposite direction. Genetic aberrations in most zinc transporters cause human syndromes. Notably, previous studies demonstrated osteopenia and male-specific cardiac death in mice lacking the ZnT5/ zinc transporter, and suggested association of two homozygous frameshift variants with perinatal mortality in humans, due to hydrops fetalis and hypertrophic cardiomyopathy.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
USC Leonard Davis School of Gerontology, Los Angeles, CA, USA.
Background: Alzheimer's disease (AD) is associated with complex pathophysiology including synaptic dysregulation, compromised neurotrophic signaling, deficits in autophagic flux and neuroinflammation). Skeletal muscle regulates many brain functions relevant to aging, by activating the muscle-to-brain axis through the secretion of skeletal muscle originating factors (myokines) with cellular-modifying, neuro and geroprotective properties. Our group developed transgenic mice that overexpress the skeletal muscle human Transcription Factor EB (TFEB), a master regulator of lysosomal-to-nucleus signaling, resulting in enhanced proteostasis and neuroprotection in a Tau mouse model.
View Article and Find Full Text PDFPlants (Basel)
December 2024
Xinjiang Production and Construction Corps Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin, Desert Poplar Research Center of Tarim University, College of Life Science and Technology, Tarim University, Alar 843300, China.
All multicellular organisms undergo senescence, but the continuous division of the vascular cambium in plants enables certain tree species to survive for hundreds or even thousands of years. Previous studies have focused on the development of the vascular cambium, but the mechanisms regulating age-related changes remain poorly understood. This study investigated age-related changes in the vascular cambium of trees aged 50 to 350 years.
View Article and Find Full Text PDFGenes (Basel)
December 2024
Institute of Medical Molecular Genetics, University of Zurich, 8952 Schlieren, Switzerland.
: Neural retina leucine zipper (NRL) is a transcription factor involved in the differentiation of rod photoreceptors. Pathogenic variants in the gene encoding NRL have been associated with autosomal dominant retinitis pigmentosa and autosomal recessive clumped pigmentary retinal degeneration. Only a dozen unrelated families affected by recessive -related retinal dystrophy have been described.
View Article and Find Full Text PDFFront Biophys
June 2024
Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, Worcester, MA, United States.
Zn transport across neuronal membranes relies on two classes of transition metal transporters: the ZnT (SLC30) and ZIP (SLC39) families. These proteins function to decrease and increase cytosolic Zn levels, respectively. Dysfunction of ZnT and ZIP transporters can alter intracellular Zn levels resulting in deleterious effects.
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