BACKGROUND Clinically amyopathic deramatomyositis was manifested as the various cutaneous dermatomyositis(DM)manifestations without muscle weakness.Anti-melanoma differentiation-associated gene 5(anti-MDA5)and anti-Ro...BACKGROUND Clinically amyopathic deramatomyositis was manifested as the various cutaneous dermatomyositis(DM)manifestations without muscle weakness.Anti-melanoma differentiation-associated gene 5(anti-MDA5)and anti-Ro52 antibody-dual positive clinically amyopathic DM patients are at a high risk of developing rapidly progressive interstitial lung disease,and they exhibit an immensely high half-year mortality.CASE SUMMARY We presented three patients with anti-MDA5 and anti-Ro52 antibody-dual positive DM patients and we reviewed the previous studies on the link between anti-MDA5 and anti-Ro52 antibody-dual positive DM.Although we aggressively treated these patients similarly,but they all exhibited different prognoses.We reviewed the importance of clinical cutaneous rashes as well as the pathogenesis and treatment in the dual positive anti-MDA5 and anti-Ro52 associated DM.CONCLUSION Patients with anti-MDA5 anti-Ro52 antibody-dual positive DM should be accurately diagnosed at an early stage and should be treated aggressively,thus,the patient’s prognosis can be significantly modified.展开更多
BACKGROUND Anti-melanoma differentiation-associated gene 5 antibody-positive(anti-MDA5 Ab+)dermatomyositis complicated with rapidly progressive interstitial lung disease(anti-MDA5 Ab+DM-RP-ILD)has an unclear underlyin...BACKGROUND Anti-melanoma differentiation-associated gene 5 antibody-positive(anti-MDA5 Ab+)dermatomyositis complicated with rapidly progressive interstitial lung disease(anti-MDA5 Ab+DM-RP-ILD)has an unclear underlying mechanism with no recommended unified treatment plan.Herein,one of the cases that we report(Case 2)was successfully treated with tocilizumab despite having lung infection.CASE SUMMARY Case 1 was a 30-year-old woman who was admitted due to recurrent rash for 5 mo,fever and cough for 1 mo,and chest tightness for 3 d.She was diagnosed with non-myopathic dermatomyositis(anti-MDA5 Ab+)and interstitial pneumonia,and was treated with the combination of hormone therapy and cyclophosphamide followed by oral tacrolimus.Case 2 was a 31-year-old man admitted due to systemic rash accompanied by muscle weakness of limbs for more than 1 mo,and chest tightness and dry cough for 4 d.He was diagnosed with dermatomyositis(anti-MDA5 Ab+)and acute interstitial pneumonia with Pneumocystis jirovecii and Aspergillus fumigatus infections and was treated with hormone therapy(without cyclophosphamide)and the combination of tocilizumab and tacrolimus.The condition of both patients eventually improved and they were discharged and showed clinically stable condition at the latest follow-up.CONCLUSION Tocilizumab could be a salvage treatment for patients with anti-MDA5 Ab+DMRP-ILD who are refractory to intensive immunosuppression.展开更多
目的:观察伏格列波糖联合西格列汀治疗2型糖尿病(T_(2)DM)对患者胰岛素抵抗的影响。方法:将贵溪市人民医院2021年1月—2023年9月收治的80例T_(2)DM患者随机分组,其中治疗组40例,对照组40例,治疗组采用伏格列波糖联合西格列汀治疗,对照...目的:观察伏格列波糖联合西格列汀治疗2型糖尿病(T_(2)DM)对患者胰岛素抵抗的影响。方法:将贵溪市人民医院2021年1月—2023年9月收治的80例T_(2)DM患者随机分组,其中治疗组40例,对照组40例,治疗组采用伏格列波糖联合西格列汀治疗,对照组单用西格列汀治疗。均治疗两个月,比较两组治疗前后血糖水平[空腹血糖(FBG)、餐后2 h血糖(2 h PG)、糖化血红蛋白(HbA1c)]、治疗前后胰岛素功能[空腹胰岛素(FINS)、胰岛素抵抗指数(HOMA-IR)、胰岛素β细胞功能指数(HOMA-β)]、治疗后临床疗效及不良反应。结果:治疗后,两组FBG、2 h PG、HbA1c水平均显著降低(P<0.05),且治疗组均低于对照组,差异均有统计学意义(P<0.05)。治疗后,两组FINS、HOMA-IR水平均显著降低,HOMA-β水平均显著升高(P<0.05),且治疗组均优于对照组,差异均有统计学意义(P<0.05)。治疗组的总有效率高于对照组,差异有统计学意义(P<0.05)。两组不良反应发生率比较,差异无统计学意义(P>0.05)。结论:伏格列波糖联合西格列汀治疗T_(2)DM可显著降低患者血糖水平,有效改善胰岛素抵抗,整体效果突出,且安全性较高。展开更多
Type 1 diabetes mellitus(T1DM) lacks insulin secretion due to autoimmune deficiency of pancreaticβ-cells.Protecting pancreatic islets and enhancing insulin secretion has been therapeutic approaches.Mannogalactoglucan...Type 1 diabetes mellitus(T1DM) lacks insulin secretion due to autoimmune deficiency of pancreaticβ-cells.Protecting pancreatic islets and enhancing insulin secretion has been therapeutic approaches.Mannogalactoglucan is the main type of polysaccharide from natural mushroom,which has potential medicinal prospects.Nevertheless,the antidiabetic property of mannogalactoglucan in T1DM has not been fully elucidated.In this study,we obtained the neutral fraction of alkali-soluble Armillaria mellea polysaccharide(AAMP-N) with the structure of mannogalactoglucan from the fruiting body of A.mellea and investigated the potential therapeutic value of AAMP-N in T1DM.We demonstrated that AAMP-N lowered blood glucose and improved diabetes symptoms in T1DM mice.AAMP-N activated unfolded protein response(UPR) signaling pathway to maintain ER protein folding homeostasis and promote insulin secretion in vivo.Besides that,AAMP-N promoted insulin synthesis via upregulating the expression of transcription factors,increased Ca^(2+) signals to stimulate intracellular insulin secretory vesicle transport via activating calcium/calmodulin-dependent kinase Ⅱ(CamkⅡ) and cAMP/PKA signals,and enhanced insulin secretory vesicle fusion with the plasma membrane via vesicle-associated membrane protein 2(VAMP2).Collectively,these studies demonstrated that the therapeutic potential of AAMP-N on pancreatic islets function,indicating that mannogalactoglucan could be natural nutraceutical used for the treatment of T1DM.展开更多
文摘BACKGROUND Clinically amyopathic deramatomyositis was manifested as the various cutaneous dermatomyositis(DM)manifestations without muscle weakness.Anti-melanoma differentiation-associated gene 5(anti-MDA5)and anti-Ro52 antibody-dual positive clinically amyopathic DM patients are at a high risk of developing rapidly progressive interstitial lung disease,and they exhibit an immensely high half-year mortality.CASE SUMMARY We presented three patients with anti-MDA5 and anti-Ro52 antibody-dual positive DM patients and we reviewed the previous studies on the link between anti-MDA5 and anti-Ro52 antibody-dual positive DM.Although we aggressively treated these patients similarly,but they all exhibited different prognoses.We reviewed the importance of clinical cutaneous rashes as well as the pathogenesis and treatment in the dual positive anti-MDA5 and anti-Ro52 associated DM.CONCLUSION Patients with anti-MDA5 anti-Ro52 antibody-dual positive DM should be accurately diagnosed at an early stage and should be treated aggressively,thus,the patient’s prognosis can be significantly modified.
文摘BACKGROUND Anti-melanoma differentiation-associated gene 5 antibody-positive(anti-MDA5 Ab+)dermatomyositis complicated with rapidly progressive interstitial lung disease(anti-MDA5 Ab+DM-RP-ILD)has an unclear underlying mechanism with no recommended unified treatment plan.Herein,one of the cases that we report(Case 2)was successfully treated with tocilizumab despite having lung infection.CASE SUMMARY Case 1 was a 30-year-old woman who was admitted due to recurrent rash for 5 mo,fever and cough for 1 mo,and chest tightness for 3 d.She was diagnosed with non-myopathic dermatomyositis(anti-MDA5 Ab+)and interstitial pneumonia,and was treated with the combination of hormone therapy and cyclophosphamide followed by oral tacrolimus.Case 2 was a 31-year-old man admitted due to systemic rash accompanied by muscle weakness of limbs for more than 1 mo,and chest tightness and dry cough for 4 d.He was diagnosed with dermatomyositis(anti-MDA5 Ab+)and acute interstitial pneumonia with Pneumocystis jirovecii and Aspergillus fumigatus infections and was treated with hormone therapy(without cyclophosphamide)and the combination of tocilizumab and tacrolimus.The condition of both patients eventually improved and they were discharged and showed clinically stable condition at the latest follow-up.CONCLUSION Tocilizumab could be a salvage treatment for patients with anti-MDA5 Ab+DMRP-ILD who are refractory to intensive immunosuppression.
文摘目的:观察伏格列波糖联合西格列汀治疗2型糖尿病(T_(2)DM)对患者胰岛素抵抗的影响。方法:将贵溪市人民医院2021年1月—2023年9月收治的80例T_(2)DM患者随机分组,其中治疗组40例,对照组40例,治疗组采用伏格列波糖联合西格列汀治疗,对照组单用西格列汀治疗。均治疗两个月,比较两组治疗前后血糖水平[空腹血糖(FBG)、餐后2 h血糖(2 h PG)、糖化血红蛋白(HbA1c)]、治疗前后胰岛素功能[空腹胰岛素(FINS)、胰岛素抵抗指数(HOMA-IR)、胰岛素β细胞功能指数(HOMA-β)]、治疗后临床疗效及不良反应。结果:治疗后,两组FBG、2 h PG、HbA1c水平均显著降低(P<0.05),且治疗组均低于对照组,差异均有统计学意义(P<0.05)。治疗后,两组FINS、HOMA-IR水平均显著降低,HOMA-β水平均显著升高(P<0.05),且治疗组均优于对照组,差异均有统计学意义(P<0.05)。治疗组的总有效率高于对照组,差异有统计学意义(P<0.05)。两组不良反应发生率比较,差异无统计学意义(P>0.05)。结论:伏格列波糖联合西格列汀治疗T_(2)DM可显著降低患者血糖水平,有效改善胰岛素抵抗,整体效果突出,且安全性较高。
基金funded by the National Natural Science Foundation of China (32371341,31872674)the Scientific and Technologic Foundation of Jilin Province (20230202050NC)the Fundamental Research Funds for the Central Universities (CGZH202206)。
文摘Type 1 diabetes mellitus(T1DM) lacks insulin secretion due to autoimmune deficiency of pancreaticβ-cells.Protecting pancreatic islets and enhancing insulin secretion has been therapeutic approaches.Mannogalactoglucan is the main type of polysaccharide from natural mushroom,which has potential medicinal prospects.Nevertheless,the antidiabetic property of mannogalactoglucan in T1DM has not been fully elucidated.In this study,we obtained the neutral fraction of alkali-soluble Armillaria mellea polysaccharide(AAMP-N) with the structure of mannogalactoglucan from the fruiting body of A.mellea and investigated the potential therapeutic value of AAMP-N in T1DM.We demonstrated that AAMP-N lowered blood glucose and improved diabetes symptoms in T1DM mice.AAMP-N activated unfolded protein response(UPR) signaling pathway to maintain ER protein folding homeostasis and promote insulin secretion in vivo.Besides that,AAMP-N promoted insulin synthesis via upregulating the expression of transcription factors,increased Ca^(2+) signals to stimulate intracellular insulin secretory vesicle transport via activating calcium/calmodulin-dependent kinase Ⅱ(CamkⅡ) and cAMP/PKA signals,and enhanced insulin secretory vesicle fusion with the plasma membrane via vesicle-associated membrane protein 2(VAMP2).Collectively,these studies demonstrated that the therapeutic potential of AAMP-N on pancreatic islets function,indicating that mannogalactoglucan could be natural nutraceutical used for the treatment of T1DM.
