Heliyon · 2024
New horizon of the combined BCG vaccine with probiotic and liraglutide in augmenting beta cell survival via suppression of TXNIP/NLRP3 pyroptosis signaling in Streptozocin-Induced diabetes mellitestype-1 in rats.
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Khalifa Amira Karam, Abdelrahim Dina Sayed, Mekawy Dina Mohamed, Hamed Reham Mohammad Raafat, Mohamed Wafaa Rabee, Ramadan Nagwa Mahmoud, Wael Mostafa, Ellackany Rawan, Albadawi Emad Ali, Osman Walla'a A
Аннотация
BACKGROUND: An ideal anti-diabetic type-1 pharmacotherapy should combine abrogation of beta cell pyroptosis with enhancement of beta cell mass.
OBJECTIVES: The study investigated the potential synergism from combining the Bacillus Calmette-Guerin (BCG) vaccine with liraglutide (LIR) and probiotics in mitigating Streptozocin (STZ)-induced Type1diabetes mellitus in albino rats via suppression of TXNIP/NLRP3 signaling. Methods: Induction of diabetes was performed by two I.V. injections of 50 mg/kg of STZ in male Wistar rats. Forty-eight rats were randomly allocated into six groups: Normal control group; STZ -diabetic group; BCG group; BCG + LIR group; BCG + probiotic group; BCG + LIR + probiotic group. The rats were sacrificed after 8 weeks of treatment.
RESULTS: The STZ-diabetic group exhibited significant elevation of fasting blood sugar and HbA1c with remarkably decreased serum insulin along with a considerable increase in pancreatic proinflammatory cytokines (TNF-α, NLRP3, IL-1β, and NFκB) and apoptotic markers (ASK-1, IAPP, TXNIP, and Caspase-3) with prominently compromised oxidative scavenging capacity in addition to structural alteration in the pancreatic histoarchitecture with decreased insulin immunostaining. Conversely, diabetic-treated groups, especially the BCG + LIR + probiotic group, were superior in amelioration of STZ-induced pyroptosis of pancreatic islets evidenced by a significant decline in inflammatory cytokines and apoptotic markers with a remarkable upgrade in redox balance, Furthermore, the mitigation in the altered histopathological picture of the pancreas with enhanced insulin immunostaining has been was mirrored on the significant improvement of glucose homeostasis parameters.
CONCLUSIONS: Noteworthy, BCG combination with liraglutide and probiotic might be a promising repurposed therapeutic modality in the management of type-1 diabetes mellites via targeting pancreatic TXNIP/NLRP3 signaling pathway.
OBJECTIVES: The study investigated the potential synergism from combining the Bacillus Calmette-Guerin (BCG) vaccine with liraglutide (LIR) and probiotics in mitigating Streptozocin (STZ)-induced Type1diabetes mellitus in albino rats via suppression of TXNIP/NLRP3 signaling. Methods: Induction of diabetes was performed by two I.V. injections of 50 mg/kg of STZ in male Wistar rats. Forty-eight rats were randomly allocated into six groups: Normal control group; STZ -diabetic group; BCG group; BCG + LIR group; BCG + probiotic group; BCG + LIR + probiotic group. The rats were sacrificed after 8 weeks of treatment.
RESULTS: The STZ-diabetic group exhibited significant elevation of fasting blood sugar and HbA1c with remarkably decreased serum insulin along with a considerable increase in pancreatic proinflammatory cytokines (TNF-α, NLRP3, IL-1β, and NFκB) and apoptotic markers (ASK-1, IAPP, TXNIP, and Caspase-3) with prominently compromised oxidative scavenging capacity in addition to structural alteration in the pancreatic histoarchitecture with decreased insulin immunostaining. Conversely, diabetic-treated groups, especially the BCG + LIR + probiotic group, were superior in amelioration of STZ-induced pyroptosis of pancreatic islets evidenced by a significant decline in inflammatory cytokines and apoptotic markers with a remarkable upgrade in redox balance, Furthermore, the mitigation in the altered histopathological picture of the pancreas with enhanced insulin immunostaining has been was mirrored on the significant improvement of glucose homeostasis parameters.
CONCLUSIONS: Noteworthy, BCG combination with liraglutide and probiotic might be a promising repurposed therapeutic modality in the management of type-1 diabetes mellites via targeting pancreatic TXNIP/NLRP3 signaling pathway.