| Name | golgi associated RAB2 interactor 1A |
| Description | Predicted to be involved in acrosome assembly. Predicted to be located in Golgi apparatus. [provided by Alliance of Genome Resources, Mar 2025] |
| Summary |
{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nGARIN1A appears to function as a pivotal facilitative glucose transporter that also acts as a “transceptor,” integrating extracellular glucose detection with intracellular metabolic signaling. In multiple tissues—from pancreatic β‐cells to extra‐pancreatic sites—it contributes to the maintenance of glucose homeostasis by coupling sugar transport to downstream regulatory events."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": ""}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn the intestine, GARIN1A is central to sugar uptake and sensing. It mediates the absorption of dietary glucose and fructose under basal conditions and is rapidly recruited to the apical membrane following simple‐sugar meals, thereby facilitating bulk absorption. Moreover, its activity extends to the uptake of dehydroascorbate, suggesting that GARIN1A can affect vitamin C bioavailability as well. These features allow the intestine to adjust to nutritional loads effectively."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "3", "end_ref": "8"}]}, {"type": "t", "text": ""}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nWithin pancreatic β‐cells, GARIN1A is essential for proper glucose sensing and the regulation of insulin secretion. Its membrane trafficking and localization—regulated, in part, by post‐translational modifications such as N‐glycan formation—ensure a stable presence at the cell surface, which is critical for glucose‐stimulated hormone release. Furthermore, its receptor function contributes to the regulation of incretin secretion, and perturbations in its expression or localization are associated with impaired insulin release and alterations in islet morphology."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "9", "end_ref": "16"}]}, {"type": "t", "text": ""}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nGARIN1A expressed in the central nervous system also contributes significantly to whole‐body energy balance. In neural circuits—including those associated with the hypothalamus and brainstem—it participates in glucosensing mechanisms that regulate feeding behavior, autonomic output, and even cerebral blood flow in response to changing glycemic levels. These central actions help coordinate neuroendocrine responses, including appropriate glucagon secretion, during both fasting and refeeding."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "17", "end_ref": "21"}]}, {"type": "t", "text": ""}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn liver, kidney, and developing embryos, GARIN1A plays a crucial role in controlling metabolic fluxes and tissue development. Its expression is tightly regulated during development, and aberrant function is linked to congenital malformations under hyperglycemic conditions. In the liver and kidney, alterations in GARIN1A levels can modulate glucose reabsorption and disposal, with implications for diabetic pathophysiology."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "22", "end_ref": "27"}]}, {"type": "t", "text": ""}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nAdditional studies reveal that the regulation and modulation of GARIN1A are influenced by diverse pharmacological and genetic interventions that alter its trafficking, degradation, and activity. Hormones such as leptin can modulate its expression, while drugs and mutations affecting associated proteins (including kinases and transport modulators) further underscore its potential as a therapeutic target in metabolic diseases. These studies extend the relevance of GARIN1A to aspects of cellular energy balance and highlight its role in disease states ranging from insulin deficiency to diabetic complications."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "28", "end_ref": "39"}]}, {"type": "t", "text": ""}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "B Thorens "}, {"type": "b", "children": [{"type": "t", "text": "GLUT2 in pancreatic and extra-pancreatic gluco-detection (review)."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Mol Membr Biol (2001)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1080/09687680110100995"}], "href": "https://doi.org/10.1080/09687680110100995"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "11780755"}], "href": "https://pubmed.ncbi.nlm.nih.gov/11780755"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Emilie Stolarczyk, Christophe Guissard, Aurélien Michau, et al. 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| NCBI Gene ID | 346653 |
| API | |
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| Predicted Functions |
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| Co-expressed Genes |
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| Expression in Tissues and Cell Lines |
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GARIN1A has 1,217 functional associations with biological entities spanning 6 categories (functional term, phrase or reference, disease, phenotype or trait, chemical, cell line, cell type or tissue, gene, protein or microRNA, sequence feature) extracted from 15 datasets.
Click the + buttons to view associations for GARIN1A from the datasets below.
If available, associations are ranked by standardized value
| Dataset | Summary | |
|---|---|---|
| Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles | tissue samples with high or low expression of GARIN1A gene relative to other tissue samples from the Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles dataset. | |
| CM4AI KOLF21J CRISPRi Gene Perturbation Atlas | gene perturbations changing expression of GARIN1A gene from the CM4AI KOLF21J CRISPRi Gene Perturbation Atlas dataset. | |
| COMPARTMENTS Curated Protein Localization Evidence Scores 2025 | cellular components containing GARIN1A protein from the COMPARTMENTS Curated Protein Localization Evidence Scores 2025 dataset. | |
| COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 | cellular components co-occuring with GARIN1A protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 dataset. | |
| GTEx eQTL 2025 | SNPs regulating expression of GARIN1A gene from the GTEx eQTL 2025 dataset. | |
| GTEx Tissue Gene Expression Profiles 2023 | tissues with high or low expression of GARIN1A gene relative to other tissues from the GTEx Tissue Gene Expression Profiles 2023 dataset. | |
| IMPC Knockout Mouse Phenotypes | phenotypes of mice caused by GARIN1A gene knockout from the IMPC Knockout Mouse Phenotypes dataset. | |
| JASPAR Predicted Human Transcription Factor Targets 2025 | transcription factors regulating expression of GARIN1A gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Human Transcription Factor Targets dataset. | |
| JASPAR Predicted Mouse Transcription Factor Targets 2025 | transcription factors regulating expression of GARIN1A gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Mouse Transcription Factor Targets 2025 dataset. | |
| Rummagene Transcription Factor Associations 2026 | transcription factors regulating expression of GARIN1A gene from the Rummagene Transcription Factor Associations 2026 dataset. | |
| RummaGEO Drug Perturbation Signatures | drug perturbations changing expression of GARIN1A gene from the RummaGEO Drug Perturbation Signatures dataset. | |
| RummaGEO Gene Perturbation Signatures | gene perturbations changing expression of GARIN1A gene from the RummaGEO Gene Perturbation Signatures dataset. | |
| TISSUES Curated Tissue Protein Expression Evidence Scores 2025 | tissues with high expression of GARIN1A protein from the TISSUES Curated Tissue Protein Expression Evidence Scores 2025 dataset. | |
| TISSUES Experimental Tissue Protein Expression Evidence Scores 2025 | tissues with high expression of GARIN1A protein in proteomics datasets from the TISSUES Experimental Tissue Protein Expression Evidence Scores 2025 dataset. | |
| TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 | tissues co-occuring with GARIN1A protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 dataset. | |