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A case report of young-onset type 2 diabetes patient with severe metabolic dysregulation carrying an LRP6 variant

Xiang D, Yuan L, Liao S, Wang Y

Frontiers in endocrinology, 2026

Abstract

Background: The global epidemic of type 2 diabetes mellitus (T2D), along with its rising prevalence among younger populations, raises substantial public health concerns; severe hypertriglyceridemia (sHTG) is a major risk factor for acute pancreatitis. Insulin resistance in T2D often coincides with dyslipidemia, contributing to lipotoxicity, and insulin-resistant states may be linked to specific genetic variants.

Case presentation: This report presents a 27-year-old man with poor glycemic control, recurrent dizziness, extreme hypertriglyceridemia (TG > 37.87 mmol/L), insulin resistance, pancreatic fat infiltration, and early-stage diabetic nephropathy. Despite a family history of T2D, his clinical presentation far exceeded that of typical T2D. High-throughput sequencing revealed a heterozygous LRP6 variant (c.3107A>G, p.Asn1036Ser).

Outcome: Multidisciplinary treatment-incorporating acute-phase plasma exchange, ω-3 fatty acid ethyl ester 90, inclisiran, subcutaneous insulin aspart pump therapy, metformin, insulin icodec, finerenone, and Huangkui capsules-led to improvements in the patient's metabolic indicators.

Significance: This case report describes a patient with type 2 diabetes mellitus presenting with extreme metabolic disorders, in whom a variant in the LRP6 gene was detected. Although the variant co-occurs with the observed phenotype, its pathogenicity cannot currently be established in the absence of functional validation. This case emphasizes that genetic variant…

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Evidence Hub reads this as a case report, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.

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