Attenuated kidney oxidative metabolism in young adults with type 1 diabetes

BACKGROUNDIn type 1 diabetes (T1D), impaired insulin sensitivity may contribute to the development of diabetic kidney disease (DKD) through alterations in kidney oxidative metabolism.METHODSYoung adults with T1D (n = 30) and healthy controls (HCs) (n = 20) underwent hyperinsulinemic-euglycemic clamp...

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Veröffentlicht in:The Journal of clinical investigation 2024-12, Vol.134 (24)
Hauptverfasser: Choi, Ye Ji, Richard, Gabriel, Zhang, Guanshi, Hodgin, Jeffrey B, Demeke, Dawit S, Yang, Yingbao, Schaub, Jennifer A, Tamayo, Ian M, Gurung, Bhupendra K, Naik, Abhijit S, Nair, Viji, Birznieks, Carissa, MacDonald, Alexis, Narongkiatikhun, Phoom, Gross, Susan, Driscoll, Lynette, Flynn, Maureen, Tommerdahl, Kalie, Nadeau, Kristen J, Shah, Viral N, Vigers, Tim, Snell-Bergeon, Janet K, Kendrick, Jessica, van Raalte, Daniel H, Li, Lu-Ping, Prasad, Pottumarthi, Ladd, Patricia, Chin, Bennett B, Cherney, David Z, McCown, Phillip J, Alakwaa, Fadhl, Otto, Edgar A, Brosius, Frank C, Saulnier, Pierre Jean, Puelles, Victor G, Goodrich, Jesse A, Street, Kelly, Venkatachalam, Manjeri A, Ruiz, Aaron, de Boer, Ian H, Nelson, Robert G, Pyle, Laura, Blondin, Denis P, Sharma, Kumar, Kretzler, Matthias, Bjornstad, Petter
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container_issue 24
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container_title The Journal of clinical investigation
container_volume 134
creator Choi, Ye Ji
Richard, Gabriel
Zhang, Guanshi
Hodgin, Jeffrey B
Demeke, Dawit S
Yang, Yingbao
Schaub, Jennifer A
Tamayo, Ian M
Gurung, Bhupendra K
Naik, Abhijit S
Nair, Viji
Birznieks, Carissa
MacDonald, Alexis
Narongkiatikhun, Phoom
Gross, Susan
Driscoll, Lynette
Flynn, Maureen
Tommerdahl, Kalie
Nadeau, Kristen J
Shah, Viral N
Vigers, Tim
Snell-Bergeon, Janet K
Kendrick, Jessica
van Raalte, Daniel H
Li, Lu-Ping
Prasad, Pottumarthi
Ladd, Patricia
Chin, Bennett B
Cherney, David Z
McCown, Phillip J
Alakwaa, Fadhl
Otto, Edgar A
Brosius, Frank C
Saulnier, Pierre Jean
Puelles, Victor G
Goodrich, Jesse A
Street, Kelly
Venkatachalam, Manjeri A
Ruiz, Aaron
de Boer, Ian H
Nelson, Robert G
Pyle, Laura
Blondin, Denis P
Sharma, Kumar
Kretzler, Matthias
Bjornstad, Petter
description BACKGROUNDIn type 1 diabetes (T1D), impaired insulin sensitivity may contribute to the development of diabetic kidney disease (DKD) through alterations in kidney oxidative metabolism.METHODSYoung adults with T1D (n = 30) and healthy controls (HCs) (n = 20) underwent hyperinsulinemic-euglycemic clamp studies, MRI, 11C-acetate PET, kidney biopsies, single-cell RNA-Seq, and spatial metabolomics to assess this relationship.RESULTSParticipants with T1D had significantly higher glomerular basement membrane (GBM) thickness compared with HCs. T1D participants exhibited lower insulin sensitivity and cortical oxidative metabolism, correlating with higher insulin sensitivity. Proximal tubular transcripts of TCA cycle and oxidative phosphorylation enzymes were lower in T1D. Spatial metabolomics showed reductions in tubular TCA cycle intermediates, indicating mitochondrial dysfunction. The Slingshot algorithm identified a lineage of proximal tubular cells progressing from stable to adaptive/maladaptive subtypes, using pseudotime trajectory analysis, which computationally orders cells along a continuum of states. This analysis revealed distinct distribution patterns between T1D and HCs, with attenuated oxidative metabolism in T1D attributed to a greater proportion of adaptive/maladaptive subtypes with low expression of TCA cycle and oxidative phosphorylation transcripts. Pseudotime progression associated with higher HbA1c, BMI, and GBM, and lower insulin sensitivity and cortical oxidative metabolism.CONCLUSIONThese early structural and metabolic changes in T1D kidneys may precede clinical DKD.TRIAL REGISTRATIONClinicalTrials.gov NCT04074668.FUNDINGUniversity of Michigan O'Brien Kidney Translational Core Center grant (P30 DK081943); CROCODILE studies by National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) (P30 DK116073), Juvenile Diabetes Research Foundation (JDRF) (2-SRA-2019-845-S-B), Boettcher Foundation, Intramural Research Program at NIDDK and Centers for Disease Control and Prevention (CKD Initiative) under Inter-Agency Agreement #21FED2100157DPG.
doi_str_mv 10.1172/JCI183984
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T1D participants exhibited lower insulin sensitivity and cortical oxidative metabolism, correlating with higher insulin sensitivity. Proximal tubular transcripts of TCA cycle and oxidative phosphorylation enzymes were lower in T1D. Spatial metabolomics showed reductions in tubular TCA cycle intermediates, indicating mitochondrial dysfunction. The Slingshot algorithm identified a lineage of proximal tubular cells progressing from stable to adaptive/maladaptive subtypes, using pseudotime trajectory analysis, which computationally orders cells along a continuum of states. This analysis revealed distinct distribution patterns between T1D and HCs, with attenuated oxidative metabolism in T1D attributed to a greater proportion of adaptive/maladaptive subtypes with low expression of TCA cycle and oxidative phosphorylation transcripts. Pseudotime progression associated with higher HbA1c, BMI, and GBM, and lower insulin sensitivity and cortical oxidative metabolism.CONCLUSIONThese early structural and metabolic changes in T1D kidneys may precede clinical DKD.TRIAL REGISTRATIONClinicalTrials.gov NCT04074668.FUNDINGUniversity of Michigan O'Brien Kidney Translational Core Center grant (P30 DK081943); CROCODILE studies by National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) (P30 DK116073), Juvenile Diabetes Research Foundation (JDRF) (2-SRA-2019-845-S-B), Boettcher Foundation, Intramural Research Program at NIDDK and Centers for Disease Control and Prevention (CKD Initiative) under Inter-Agency Agreement #21FED2100157DPG.</description><identifier>ISSN: 1558-8238</identifier><identifier>ISSN: 0021-9738</identifier><identifier>EISSN: 1558-8238</identifier><identifier>DOI: 10.1172/JCI183984</identifier><identifier>PMID: 39436695</identifier><language>eng</language><publisher>United States: American Society for Clinical Investigation</publisher><subject>Adult ; Care and treatment ; Citric Acid Cycle ; Clinical Medicine ; Diabetes Mellitus, Type 1 - genetics ; Diabetes Mellitus, Type 1 - metabolism ; Diabetes Mellitus, Type 1 - pathology ; Diabetic nephropathies ; Diabetic Nephropathies - genetics ; Diabetic Nephropathies - metabolism ; Diabetic Nephropathies - pathology ; Diagnosis ; Female ; Humans ; Insulin Resistance ; Kidney - metabolism ; Kidney - pathology ; Male ; Metabolomics ; Oxidation-Reduction ; Oxidative stress ; Type 1 diabetes ; Young Adult</subject><ispartof>The Journal of clinical investigation, 2024-12, Vol.134 (24)</ispartof><rights>COPYRIGHT 2024 American Society for Clinical Investigation</rights><rights>2024 Choi et al. 2024 Choi et al.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c470t-b2d5d1791be438426a5bfa9f215470fa84ce0fc644256e4a934e612def2514183</cites><orcidid>0000-0003-1862-4252 ; 0000-0001-6805-0985 ; 0000-0002-3827-7107 ; 0000-0002-7550-8525 ; 0000-0002-7735-5462 ; 0000-0003-1602-9425 ; 0000-0003-4064-0582 ; 0000-0002-2387-9973 ; 0000-0002-4244-8335 ; 0000-0001-6557-4521 ; 0000-0003-1571-7592 ; 0000-0001-7307-3786 ; 0000-0001-7087-8570 ; 0000-0002-8012-1931 ; 0000-0003-0534-3048</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC11645151/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC11645151/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,27901,27902,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39436695$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Choi, Ye Ji</creatorcontrib><creatorcontrib>Richard, Gabriel</creatorcontrib><creatorcontrib>Zhang, Guanshi</creatorcontrib><creatorcontrib>Hodgin, Jeffrey B</creatorcontrib><creatorcontrib>Demeke, Dawit S</creatorcontrib><creatorcontrib>Yang, Yingbao</creatorcontrib><creatorcontrib>Schaub, Jennifer A</creatorcontrib><creatorcontrib>Tamayo, Ian M</creatorcontrib><creatorcontrib>Gurung, Bhupendra K</creatorcontrib><creatorcontrib>Naik, Abhijit S</creatorcontrib><creatorcontrib>Nair, Viji</creatorcontrib><creatorcontrib>Birznieks, Carissa</creatorcontrib><creatorcontrib>MacDonald, Alexis</creatorcontrib><creatorcontrib>Narongkiatikhun, Phoom</creatorcontrib><creatorcontrib>Gross, Susan</creatorcontrib><creatorcontrib>Driscoll, Lynette</creatorcontrib><creatorcontrib>Flynn, Maureen</creatorcontrib><creatorcontrib>Tommerdahl, Kalie</creatorcontrib><creatorcontrib>Nadeau, Kristen J</creatorcontrib><creatorcontrib>Shah, Viral N</creatorcontrib><creatorcontrib>Vigers, Tim</creatorcontrib><creatorcontrib>Snell-Bergeon, Janet K</creatorcontrib><creatorcontrib>Kendrick, Jessica</creatorcontrib><creatorcontrib>van Raalte, Daniel H</creatorcontrib><creatorcontrib>Li, Lu-Ping</creatorcontrib><creatorcontrib>Prasad, Pottumarthi</creatorcontrib><creatorcontrib>Ladd, Patricia</creatorcontrib><creatorcontrib>Chin, Bennett B</creatorcontrib><creatorcontrib>Cherney, David Z</creatorcontrib><creatorcontrib>McCown, Phillip J</creatorcontrib><creatorcontrib>Alakwaa, Fadhl</creatorcontrib><creatorcontrib>Otto, Edgar A</creatorcontrib><creatorcontrib>Brosius, Frank C</creatorcontrib><creatorcontrib>Saulnier, Pierre Jean</creatorcontrib><creatorcontrib>Puelles, Victor G</creatorcontrib><creatorcontrib>Goodrich, Jesse A</creatorcontrib><creatorcontrib>Street, Kelly</creatorcontrib><creatorcontrib>Venkatachalam, Manjeri A</creatorcontrib><creatorcontrib>Ruiz, Aaron</creatorcontrib><creatorcontrib>de Boer, Ian H</creatorcontrib><creatorcontrib>Nelson, Robert G</creatorcontrib><creatorcontrib>Pyle, Laura</creatorcontrib><creatorcontrib>Blondin, Denis P</creatorcontrib><creatorcontrib>Sharma, Kumar</creatorcontrib><creatorcontrib>Kretzler, Matthias</creatorcontrib><creatorcontrib>Bjornstad, Petter</creatorcontrib><title>Attenuated kidney oxidative metabolism in young adults with type 1 diabetes</title><title>The Journal of clinical investigation</title><addtitle>J Clin Invest</addtitle><description>BACKGROUNDIn type 1 diabetes (T1D), impaired insulin sensitivity may contribute to the development of diabetic kidney disease (DKD) through alterations in kidney oxidative metabolism.METHODSYoung adults with T1D (n = 30) and healthy controls (HCs) (n = 20) underwent hyperinsulinemic-euglycemic clamp studies, MRI, 11C-acetate PET, kidney biopsies, single-cell RNA-Seq, and spatial metabolomics to assess this relationship.RESULTSParticipants with T1D had significantly higher glomerular basement membrane (GBM) thickness compared with HCs. T1D participants exhibited lower insulin sensitivity and cortical oxidative metabolism, correlating with higher insulin sensitivity. Proximal tubular transcripts of TCA cycle and oxidative phosphorylation enzymes were lower in T1D. Spatial metabolomics showed reductions in tubular TCA cycle intermediates, indicating mitochondrial dysfunction. The Slingshot algorithm identified a lineage of proximal tubular cells progressing from stable to adaptive/maladaptive subtypes, using pseudotime trajectory analysis, which computationally orders cells along a continuum of states. This analysis revealed distinct distribution patterns between T1D and HCs, with attenuated oxidative metabolism in T1D attributed to a greater proportion of adaptive/maladaptive subtypes with low expression of TCA cycle and oxidative phosphorylation transcripts. Pseudotime progression associated with higher HbA1c, BMI, and GBM, and lower insulin sensitivity and cortical oxidative metabolism.CONCLUSIONThese early structural and metabolic changes in T1D kidneys may precede clinical DKD.TRIAL REGISTRATIONClinicalTrials.gov NCT04074668.FUNDINGUniversity of Michigan O'Brien Kidney Translational Core Center grant (P30 DK081943); CROCODILE studies by National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) (P30 DK116073), Juvenile Diabetes Research Foundation (JDRF) (2-SRA-2019-845-S-B), Boettcher Foundation, Intramural Research Program at NIDDK and Centers for Disease Control and Prevention (CKD Initiative) under Inter-Agency Agreement #21FED2100157DPG.</description><subject>Adult</subject><subject>Care and treatment</subject><subject>Citric Acid Cycle</subject><subject>Clinical Medicine</subject><subject>Diabetes Mellitus, Type 1 - genetics</subject><subject>Diabetes Mellitus, Type 1 - metabolism</subject><subject>Diabetes Mellitus, Type 1 - pathology</subject><subject>Diabetic nephropathies</subject><subject>Diabetic Nephropathies - genetics</subject><subject>Diabetic Nephropathies - metabolism</subject><subject>Diabetic Nephropathies - pathology</subject><subject>Diagnosis</subject><subject>Female</subject><subject>Humans</subject><subject>Insulin Resistance</subject><subject>Kidney - metabolism</subject><subject>Kidney - pathology</subject><subject>Male</subject><subject>Metabolomics</subject><subject>Oxidation-Reduction</subject><subject>Oxidative stress</subject><subject>Type 1 diabetes</subject><subject>Young Adult</subject><issn>1558-8238</issn><issn>0021-9738</issn><issn>1558-8238</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkktr3DAURk1paR7ton-gCAqlWTjxlSU_VmEY2nTaQKCvrZCtK49aW5pacpL599WQdJiBWQQtJHTPPULSlyRvIDsHKOnFl_kCqryu2LPkGDiv0orm1fOd9VFy4v3vLAPGOHuZHOU1y4ui5sfJ11kIaCcZUJE_RllcE3dvlAzmFsmAQTauN34gxpK1m2xHpJr64MmdCUsS1iskQJSRDQb0r5IXWvYeXz_Op8nPTx9_zD-n1zdXi_nsOm1ZmYW0oYorKGtokOUVo4XkjZa1psBjXcuKtZjptmCM8gKZrHOGBVCFmnJg8aKnyeWDdzU1A6oWbRhlL1ajGeS4Fk4asV-xZik6dysACsaBQzR8eDSM7u-EPojB-Bb7Xlp0kxc5QF1SKDmP6LsHtJM9CmO1i8p2g4tZRWlZ1VBshOkBqkOL8XxnUZu4vcefH-DjUDiY9mDD2V5DZALeh05O3ovF929PZ29-7bPvd9glyj4sveunYJz1B6Xt6LwfUW_fGzKxSaHYpjCyb3c_aEv-j13-D2vx00M</recordid><startdate>20241215</startdate><enddate>20241215</enddate><creator>Choi, Ye Ji</creator><creator>Richard, Gabriel</creator><creator>Zhang, Guanshi</creator><creator>Hodgin, Jeffrey B</creator><creator>Demeke, Dawit 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kidney oxidative metabolism in young adults with type 1 diabetes</title><author>Choi, Ye Ji ; Richard, Gabriel ; Zhang, Guanshi ; Hodgin, Jeffrey B ; Demeke, Dawit S ; Yang, Yingbao ; Schaub, Jennifer A ; Tamayo, Ian M ; Gurung, Bhupendra K ; Naik, Abhijit S ; Nair, Viji ; Birznieks, Carissa ; MacDonald, Alexis ; Narongkiatikhun, Phoom ; Gross, Susan ; Driscoll, Lynette ; Flynn, Maureen ; Tommerdahl, Kalie ; Nadeau, Kristen J ; Shah, Viral N ; Vigers, Tim ; Snell-Bergeon, Janet K ; Kendrick, Jessica ; van Raalte, Daniel H ; Li, Lu-Ping ; Prasad, Pottumarthi ; Ladd, Patricia ; Chin, Bennett B ; Cherney, David Z ; McCown, Phillip J ; Alakwaa, Fadhl ; Otto, Edgar A ; Brosius, Frank C ; Saulnier, Pierre Jean ; Puelles, Victor G ; Goodrich, Jesse A ; Street, Kelly ; Venkatachalam, Manjeri A ; Ruiz, Aaron ; de Boer, Ian H ; Nelson, Robert G ; Pyle, Laura ; Blondin, Denis P ; Sharma, Kumar ; Kretzler, Matthias ; Bjornstad, Petter</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c470t-b2d5d1791be438426a5bfa9f215470fa84ce0fc644256e4a934e612def2514183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Adult</topic><topic>Care and treatment</topic><topic>Citric Acid Cycle</topic><topic>Clinical Medicine</topic><topic>Diabetes Mellitus, Type 1 - genetics</topic><topic>Diabetes Mellitus, Type 1 - metabolism</topic><topic>Diabetes Mellitus, Type 1 - pathology</topic><topic>Diabetic nephropathies</topic><topic>Diabetic Nephropathies - genetics</topic><topic>Diabetic Nephropathies - metabolism</topic><topic>Diabetic Nephropathies - pathology</topic><topic>Diagnosis</topic><topic>Female</topic><topic>Humans</topic><topic>Insulin Resistance</topic><topic>Kidney - metabolism</topic><topic>Kidney - pathology</topic><topic>Male</topic><topic>Metabolomics</topic><topic>Oxidation-Reduction</topic><topic>Oxidative stress</topic><topic>Type 1 diabetes</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Choi, Ye Ji</creatorcontrib><creatorcontrib>Richard, Gabriel</creatorcontrib><creatorcontrib>Zhang, Guanshi</creatorcontrib><creatorcontrib>Hodgin, Jeffrey B</creatorcontrib><creatorcontrib>Demeke, Dawit S</creatorcontrib><creatorcontrib>Yang, Yingbao</creatorcontrib><creatorcontrib>Schaub, Jennifer A</creatorcontrib><creatorcontrib>Tamayo, Ian M</creatorcontrib><creatorcontrib>Gurung, Bhupendra K</creatorcontrib><creatorcontrib>Naik, Abhijit S</creatorcontrib><creatorcontrib>Nair, Viji</creatorcontrib><creatorcontrib>Birznieks, Carissa</creatorcontrib><creatorcontrib>MacDonald, Alexis</creatorcontrib><creatorcontrib>Narongkiatikhun, Phoom</creatorcontrib><creatorcontrib>Gross, Susan</creatorcontrib><creatorcontrib>Driscoll, Lynette</creatorcontrib><creatorcontrib>Flynn, Maureen</creatorcontrib><creatorcontrib>Tommerdahl, Kalie</creatorcontrib><creatorcontrib>Nadeau, Kristen J</creatorcontrib><creatorcontrib>Shah, Viral N</creatorcontrib><creatorcontrib>Vigers, Tim</creatorcontrib><creatorcontrib>Snell-Bergeon, Janet K</creatorcontrib><creatorcontrib>Kendrick, Jessica</creatorcontrib><creatorcontrib>van Raalte, Daniel H</creatorcontrib><creatorcontrib>Li, Lu-Ping</creatorcontrib><creatorcontrib>Prasad, Pottumarthi</creatorcontrib><creatorcontrib>Ladd, Patricia</creatorcontrib><creatorcontrib>Chin, Bennett B</creatorcontrib><creatorcontrib>Cherney, David Z</creatorcontrib><creatorcontrib>McCown, Phillip J</creatorcontrib><creatorcontrib>Alakwaa, Fadhl</creatorcontrib><creatorcontrib>Otto, Edgar A</creatorcontrib><creatorcontrib>Brosius, Frank C</creatorcontrib><creatorcontrib>Saulnier, Pierre Jean</creatorcontrib><creatorcontrib>Puelles, Victor G</creatorcontrib><creatorcontrib>Goodrich, Jesse A</creatorcontrib><creatorcontrib>Street, Kelly</creatorcontrib><creatorcontrib>Venkatachalam, Manjeri A</creatorcontrib><creatorcontrib>Ruiz, Aaron</creatorcontrib><creatorcontrib>de Boer, Ian H</creatorcontrib><creatorcontrib>Nelson, Robert G</creatorcontrib><creatorcontrib>Pyle, Laura</creatorcontrib><creatorcontrib>Blondin, Denis P</creatorcontrib><creatorcontrib>Sharma, Kumar</creatorcontrib><creatorcontrib>Kretzler, Matthias</creatorcontrib><creatorcontrib>Bjornstad, Petter</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Gale In Context: Opposing Viewpoints</collection><collection>Gale In Context: Science</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>The Journal of clinical investigation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Choi, Ye Ji</au><au>Richard, Gabriel</au><au>Zhang, Guanshi</au><au>Hodgin, Jeffrey B</au><au>Demeke, Dawit S</au><au>Yang, Yingbao</au><au>Schaub, Jennifer A</au><au>Tamayo, Ian M</au><au>Gurung, Bhupendra K</au><au>Naik, Abhijit S</au><au>Nair, Viji</au><au>Birznieks, Carissa</au><au>MacDonald, Alexis</au><au>Narongkiatikhun, Phoom</au><au>Gross, Susan</au><au>Driscoll, Lynette</au><au>Flynn, Maureen</au><au>Tommerdahl, Kalie</au><au>Nadeau, Kristen J</au><au>Shah, Viral N</au><au>Vigers, Tim</au><au>Snell-Bergeon, Janet K</au><au>Kendrick, Jessica</au><au>van Raalte, Daniel H</au><au>Li, Lu-Ping</au><au>Prasad, Pottumarthi</au><au>Ladd, Patricia</au><au>Chin, Bennett B</au><au>Cherney, David Z</au><au>McCown, Phillip J</au><au>Alakwaa, Fadhl</au><au>Otto, Edgar A</au><au>Brosius, Frank C</au><au>Saulnier, Pierre Jean</au><au>Puelles, Victor G</au><au>Goodrich, Jesse A</au><au>Street, Kelly</au><au>Venkatachalam, Manjeri A</au><au>Ruiz, Aaron</au><au>de Boer, Ian H</au><au>Nelson, Robert G</au><au>Pyle, Laura</au><au>Blondin, Denis P</au><au>Sharma, Kumar</au><au>Kretzler, Matthias</au><au>Bjornstad, Petter</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Attenuated kidney oxidative metabolism in young adults with type 1 diabetes</atitle><jtitle>The Journal of clinical investigation</jtitle><addtitle>J Clin Invest</addtitle><date>2024-12-15</date><risdate>2024</risdate><volume>134</volume><issue>24</issue><issn>1558-8238</issn><issn>0021-9738</issn><eissn>1558-8238</eissn><abstract>BACKGROUNDIn type 1 diabetes (T1D), impaired insulin sensitivity may contribute to the development of diabetic kidney disease (DKD) through alterations in kidney oxidative metabolism.METHODSYoung adults with T1D (n = 30) and healthy controls (HCs) (n = 20) underwent hyperinsulinemic-euglycemic clamp studies, MRI, 11C-acetate PET, kidney biopsies, single-cell RNA-Seq, and spatial metabolomics to assess this relationship.RESULTSParticipants with T1D had significantly higher glomerular basement membrane (GBM) thickness compared with HCs. T1D participants exhibited lower insulin sensitivity and cortical oxidative metabolism, correlating with higher insulin sensitivity. Proximal tubular transcripts of TCA cycle and oxidative phosphorylation enzymes were lower in T1D. Spatial metabolomics showed reductions in tubular TCA cycle intermediates, indicating mitochondrial dysfunction. The Slingshot algorithm identified a lineage of proximal tubular cells progressing from stable to adaptive/maladaptive subtypes, using pseudotime trajectory analysis, which computationally orders cells along a continuum of states. This analysis revealed distinct distribution patterns between T1D and HCs, with attenuated oxidative metabolism in T1D attributed to a greater proportion of adaptive/maladaptive subtypes with low expression of TCA cycle and oxidative phosphorylation transcripts. Pseudotime progression associated with higher HbA1c, BMI, and GBM, and lower insulin sensitivity and cortical oxidative metabolism.CONCLUSIONThese early structural and metabolic changes in T1D kidneys may precede clinical DKD.TRIAL REGISTRATIONClinicalTrials.gov NCT04074668.FUNDINGUniversity of Michigan O'Brien Kidney Translational Core Center grant (P30 DK081943); CROCODILE studies by National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) (P30 DK116073), Juvenile Diabetes Research Foundation (JDRF) (2-SRA-2019-845-S-B), Boettcher Foundation, Intramural Research Program at NIDDK and Centers for Disease Control and Prevention (CKD Initiative) under Inter-Agency Agreement #21FED2100157DPG.</abstract><cop>United States</cop><pub>American Society for Clinical Investigation</pub><pmid>39436695</pmid><doi>10.1172/JCI183984</doi><orcidid>https://orcid.org/0000-0003-1862-4252</orcidid><orcidid>https://orcid.org/0000-0001-6805-0985</orcidid><orcidid>https://orcid.org/0000-0002-3827-7107</orcidid><orcidid>https://orcid.org/0000-0002-7550-8525</orcidid><orcidid>https://orcid.org/0000-0002-7735-5462</orcidid><orcidid>https://orcid.org/0000-0003-1602-9425</orcidid><orcidid>https://orcid.org/0000-0003-4064-0582</orcidid><orcidid>https://orcid.org/0000-0002-2387-9973</orcidid><orcidid>https://orcid.org/0000-0002-4244-8335</orcidid><orcidid>https://orcid.org/0000-0001-6557-4521</orcidid><orcidid>https://orcid.org/0000-0003-1571-7592</orcidid><orcidid>https://orcid.org/0000-0001-7307-3786</orcidid><orcidid>https://orcid.org/0000-0001-7087-8570</orcidid><orcidid>https://orcid.org/0000-0002-8012-1931</orcidid><orcidid>https://orcid.org/0000-0003-0534-3048</orcidid><oa>free_for_read</oa></addata></record>
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subjects Adult
Care and treatment
Citric Acid Cycle
Clinical Medicine
Diabetes Mellitus, Type 1 - genetics
Diabetes Mellitus, Type 1 - metabolism
Diabetes Mellitus, Type 1 - pathology
Diabetic nephropathies
Diabetic Nephropathies - genetics
Diabetic Nephropathies - metabolism
Diabetic Nephropathies - pathology
Diagnosis
Female
Humans
Insulin Resistance
Kidney - metabolism
Kidney - pathology
Male
Metabolomics
Oxidation-Reduction
Oxidative stress
Type 1 diabetes
Young Adult
title Attenuated kidney oxidative metabolism in young adults with type 1 diabetes
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