Publications by authors named "Yizhen Sang"

Objectives: To evaluate the impact of thyroid diseases (TD) on the comorbidities incidence and immune system of patients with primary Sjögren's syndrome (pSS).

Methods: A total of 329 patients diagnosed with pSS who were admitted between January 2018 and September 2023 were evaluated. The patients were divided into two groups: those with and without TD.

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Article Synopsis
  • The study examines the role and clinical significance of veno-muscular complex (VMC) found in kidney biopsies, focusing on its variants and their prognostic value in kidney disease.
  • Researchers conducted a retrospective study involving 246 patients who had VMC in their biopsy specimens, analyzing the impact of inflammatory-VMC and VMC hypertrophy on kidney function.
  • Results indicated a negative correlation between eGFR and both VMC variants, with inflammatory-VMC being associated with a higher risk of kidney decline, suggesting its importance as a potential prognostic marker.
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Kidney diseases are worldwide public health problems affecting millions of people. However, there are still limited therapeutic options against kidney diseases. Semaphorin 3A (SEMA3A) is a secreted and membrane-associated protein, which regulates diverse functions, including immune regulation, cell survival, migration and angiogenesis, thus involving in the several pathogeneses of diseases, including eyes and neurons, as well as kidneys.

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Hypothyroidism is known to be correlated with kidney function and nephrotic range proteinuria. However, it is uncertain whether non-nephrotic proteinuria is associated with hypothyroidism. This study aimed to evaluate the association of proteinuria and hypothyroidism in chronic kidney disease (CKD) patients.

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Renal fibrosis is the common pathological pathway in progressive renal diseases. In the present study, we analyzed the roles of semaphorin 3 A (SEMA3A) on renal fibrosis and the effect of SEMA3A inhibitor (SEMA3A-I) using a unilateral ureteral obstruction (UUO) mouse model. Expression of SEMA3A in the proximal tubulus and neuropilin-1, a recepor of SEMA3A, in fibloblast and tubular cells were increased in UUO kidneys.

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Artificial Intelligence (AI) imaging diagnosis is developing, making enormous steps forward in medical fields. Regarding diabetic nephropathy (DN), medical doctors diagnose them with clinical course, clinical laboratory data and renal pathology, mainly evaluate with light microscopy images rather than immunofluorescent images because there are no characteristic findings in immunofluorescent images for DN diagnosis. Here, we examined the possibility of whether AI could diagnose DN from immunofluorescent images.

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Podocyte injury is an independent risk factor for the progression of renal diseases. Semaphorin3A (SEMA3A), expressed in podocytes and tubular cells in the mammalian adult kidneys, has been reported to regulate diverse biological functions and be associated with renal diseases. Here, we investigated pathological roles of SEMA3A signaling on podocyte injury using a doxorubicin (Dox)-induced mouse model and examined the therapeutic effect of SEMA3A-inhibitor (SEMA3A-I).

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Obesity is supposed to cause renal injury via autophagy deficiency. Recently, sodium glucose co-transporter 2 inhibitors (SGLT2i) were reported to protect renal injury. However, the mechanisms of SGLT2i for renal protection are unclear.

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Adult kidney stem cells are known to have important roles in renal regeneration after acute kidney injury. Although trophic factors from tissue stem cells have been reported to promote the regeneration of other organs, there is limited number of evidence of this phenomenon in the kidneys. Here, we explored the effects of secreted factors from kidney stem cells.

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