Levilactobacillus brevis MZ384011 and  Levilactobacillus brevis MW362779 can mitigate lead induced hepato-renal damage by regulating visceral dispersion and fecal excretion

• Published in: World journal of microbiology & biotechnology 2024-02, Vol.40 (2), p.74-74, Article 74
• Main Authors: Mushtaq, Maria, Arshad, Najma, Rehman, Abdul, Javed, Ghulam Ayesha, Munir, Aneela, Hameed, Mamoona, Javed, Saman
• Format: Article
• Language: English
• Subjects: Adipose tissue; Alanine; Alanine transaminase; Applied Microbiology; Aspartate aminotransferase; Bilirubin; Biochemistry; Biomedical and Life Sciences; Biotechnology; Blood levels; Body weight; Breast milk; Creatinine; Dispersion; Environmental Engineering/Biotechnology; Excretion; Feces; Globulins; Heavy metals; Hematocrit; Hemoglobin; Kidneys; Lead; Levilactobacillus brevis; Life Sciences; Microbiology; Oral administration; SDG3 Good Health and Wellbeing; Toxicity; Transaminases; Uric acid
• ISSN: 0959-3993; 1573-0972
• DOI: 10.1007/s11274-023-03818-7

Heavy metal pollution is a global issue. Current study provides evidence on Pb toxicity ameliorative potential and safe nature of Levilactobacillus brevis MZ384011 (S1) and Levilactobacillus brevis MW362779 (S2), isolated from carnivore gut and human milk, respectively. In a 60-days experiment, the rats were distributed into six groups. G-I, G-V and G-VI were kept on normal diet, while GII-IV were fed on lead nitrate (500 mg/kg) supplemented food, throughout experiment. After confirmation of Pb toxicity in GII-IV at 15th day, S1 was orally administered to G-III and G-V while S2 was given to G-IV and G-VI at a dose of 1 × 10 9 CFU/animal/day. On day 60 of experiment, positive control (G-II) displayed significant reduction in body weight, total protein, albumin, globulin, mineral profile, erythrocyte count, hemoglobin, hematocrit and hematological indices and elevation in leukocyte count, alanine aminotransferase, aspartate aminotransferase, bilirubin, uric acid and creatinine along with alterations in hepato-renal architecture. With reference to G-II, the G-III and G-IV displayed significant improvement in all aforementioned parameters, 40–60% reduction in tissue Pb levels (blood, liver, kidney and adipose tissue) and elevation in fecal Pb contents ( p  = 0.000). The groups V and VI did not show any sign of toxicity. The findings confirm that strains are safe for biological application and can reverse Pb toxicity by facilitating fecal Pb excretion and reducing its systemic dispersal. To best of our information this is the first report on Pb toxicity ameliorative role of Levilactobacillus brevis from human milk, the safest source.