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All Journal Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya Majalah Biomorfologi (Biomorphology Journal) Indonesian Journal of Biomedicine and Clinical Sciences
Jurnalis Gempaning Tyas
Bachelor Of Medicine Program, Faculty Of Medicine, Universitas Muhammadiyah Metro, Lampung
Biochemistry, Genetics & Molecular Biology Health Professions Immunology & microbiology Medicine & Pharmacology Neuroscience Public Health

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Modulation of Caspase-3 Expression and Spermatogenic Cells by Urtica dioica Extract in Obesity-Induced Male Rats Kabir Ardiansyah Tangkari; Jurnalis Gempaning Tyas; Harni Sutiani; Zaenudin; Dicky Mochammad Rizal; Jajar Setyawan
Indonesian Journal of Biomedicine and Clinical Sciences Vol 58 No 1 (2026)
Publisher : Published by Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/inajbcs.v58i1.24429

Abstract

Obesity is associated with impaired steroidogenesis and spermatogenesis through mechanisms involving hypogonadism, inflammation, and oxidative stress. Pro-inflammatory cytokines such as tumor necrosis factor-α (TNF-α) contribute to apoptotic signaling pathways, including caspase-3 activation, leading to germ cellloss. Urtica dioica contains bioactive compounds with reported antioxidant and anti-apoptotic properties. This study aimed to evaluate the effects of U. dioica extract on TNF-α and caspase-3 mRNA expression as well as spermatogenic cell counts of the testes of obese male Sprague Dawley rats. This experimental study employed a post-test-only control group design using 25 rats divided into five groups: healthy control (C1), obese control induced by a high-fat and fructose diet (C2), and three intervention groups receiving U. dioica extract at doses of 125 mg/kg (D1), 250 mg/kg (D2), and 500 mg/kg (D3) for four weeks. The results showed no significant differences in TNF-α mRNA expression were observed between the intervention groups and the obese control. In contrast, caspase-3 mRNA expression was significantly reduced in all U. dioica–treated groups comparedwith the obese control. No significant differences were observed in the number of primary or secondary spermatocytes among groups. However, spermatid counts were significantly higher in D2 and D3 groups compared with the obese control. In conclusion, U. dioica extract demonstrated potential anti-apoptoticeffects and was associated with improved post-meiotic spermatogenic outcomes in obese rats.
Protective Role of Urtica dioica Extract on MDA Levels, Epididymal p53 mRNA, and Sperm Profile in Obese Sprague–Dawley Rats Harni Sutiani; Kabir Ardiansyah tangkari; Jurnalis Gempaning Tyas; Zaenudin; Dicky Mohammad Rizal; Jajar Setiawan
Majalah Biomorfologi Vol. 36 No. 1 (2026): MAJALAH BIOMORFOLOGI
Publisher : Universitas Airlangga, Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/mbiom.v36i1.2026.75-83

Abstract

Background: Obesity, resulting from an imbalance between energy intake and expenditure, leads to excessive fat accumulation and is associated with metabolic disorders and male infertility. Increased oxidative stress in obesity contributes to impaired spermatogenesis, altered sperm quality, and disruption of reproductive function. Urtica dioica contains bioactive compounds with antioxidant, anti-inflammatory, and anti-apoptotic properties. Objective: To evaluate the effect of Urtica dioica extract on malondialdehyde (MDA) levels, epididymal p53 mRNA expression, and sperm quality in obese male rats. Materials and Methods: The authors conducted an experimental study in 25 male Sprague–Dawley rats, divided into five groups (n = 5): non-obese control, obese control, and three treatment groups (125, 250, and 500 mg/kg BW). Obesity was induced using a high-fat and fructose diet for 6 weeks, followed by 4 weeks of treatment. We measured MDA levels using the TBARs, p53 mRNA expression by PCR, and sperm parameters according to WHO standards. Data were analyzed using ANOVA or Kruskal–Wallis tests (p < 0.05). Results: Obese groups demonstrated higher body weight and Lee index of > 300 (p < 0.001). The administration of Urtica dioica extract at 500 mg/kg BW resulted in a significant decrease in MDA levels and an increase in p53 mRNA expression compared to the obese control (p < 0.05), which demonstrated higher sperm concentration, motility, and viability, along with lower morphological abnormalities than those in obese controls (p < 0.05). Conclusion: Urtica dioica extract at 500 mg/kg BW exhibits protective effects against oxidative stress and improves reproductive parameters in obese male rats.
Anti-Hyperglycemic Activity of Urtica dioica Extract in Obese Male Sprague Dawley Rats: Evaluation of HOMA-IR and HOMA-β Zaenudin Zaenudin; Jurnalis Gempaning Tyas; Kabir Ardiansyah Tangkari; Harni Sutiani; Arta Farmawati; Prasetyastuti
Qanun Medika - Jurnal Kedokteran FK UMSurabaya Vol 10 No 01 (2026): Qanun Medika Vol 10 No 01 January 2026
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/jqm.v10i01.28178

Abstract

Obesity is characterized by adipocyte accumulation that impairs glucose uptake, leading to insulin resistance, hyperglycemia, and an increased risk of diabetes mellitus. Given the limitations and adverse effects of pharmacological therapies for diabetes, alternative agents are needed. Urtica dioica contains flavonoids with anti-inflammatory and antioxidant properties that may improve glucose homeostasis. This experimental study employed a pre-test and post-test control group design using 25 male Sprague Dawley rats divided into five groups: healthy control (K1), obese control (K2), and three obese groups receiving Urtica dioica extract at doses of 125, 250, and 500 mg/kgBW (D1–D3) for four weeks. Data were analyzed using one-way ANOVA and paired t-test. Administration of Urtica dioica extract at 500 mg/kgBW (D3) significantly reduced blood glucose (79.90 ± 2.51 vs. 177.92 ± 3.30; p<0.05), increased insulin levels (16.20 ± 0.29 vs. 12.82 ± 0.28; p<0.05), decreased HOMA-IR (3.19 ± 0.07 vs. 5.63 ± 0.14; p<0.05), and enhanced HOMA-β (351.20 ± 58.77 vs. 40.21 ± 1.63; p<0.05) compared with untreated obese controls. In conclusion, four-week administration of Urtica dioica extract effectively improved insulin resistance and β-cell function in obese rats, with the most pronounced effect observed at a dose of 500 mg/kgBW.
Co-Authors Arta Farmawati Dicky Mochammad Rizal Dicky Mohammad Rizal Harni Sutiani Harni Sutiani Harni Sutiani Jajar Setiawan Jajar Setyawan Kabir Ardiansyah Tangkari Prasetyastuti Zaenudin Zaenudin Zaenudin Zaenudin