Evidence map›Paper›PMID 41248201›Full record

ArticleJBRA assisted reproduction2026

L-arginine attenuates cisplatin-induced sexual dysfunction in male Wistar rats by modulating circulating testosterone and NO/cGMP signaling.

O O Obembe, A A Oladipo, O Ajao, T M Akhigbe, W A Saka, R E Akhigbe

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Article in JBRA assisted reproduction, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

O O ObembeDepartment of Physiology, Osun State University, Osogbo, Osun State, Nigeria.
A A OladipoDepartment of Physiology, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria.
O AjaoTobi Medical Centre, Felele, Ibadan, Oyo State, Nigeria.
T M AkhigbeReproductive Biology and Toxicology Research Laboratories, Oasis of Grace Hospital, Osogbo, Osun State, Nigeria.
W A SakaDepartment of Physiology, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria.
R E AkhigbeDepartment of Physiology, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveCisplatin is a highly potent and commonly used antineoplastic agent. However, it has been reported to induce male sexual dysfunction (SD) via the downregulation of testosterone and nitric oxide (NO)/ cyclic guanosine monophosphate (cGMP) signaling. On the other hand, L-arginine upregulates NO/cGMP signaling and may attenuate cisplatin-induced male sexual dysfunction. Thus, the current study examined the effect of L-arginine on cisplatin-induced male SD with a focus on testosterone bioavailability and NO/cGMP as a potential target pathway.

methodsTwenty-four male Wistar rats were allotted randomly to four groups: control, L-arginine-treated, cisplatin-treated, and cisplatin co-treatment with L-arginine.

resultsCisplatin therapy significantly lowered libido and sexual vigor, evinced by extended mount, intromission, and ejaculation latencies and reduced motivation to mate and mount, intromission, and ejaculation frequencies, as well as penile reflex. Moreover, cisplatin downregulated circulating testosterone, luteinizing hormone (LH), and follicle-stimulating hormone (FSH). In addition, cisplatin exposure markedly reduced dopamine and cavernosal levels of NO and cGMP and increased cavernosal acetylcholinesterase, monoamine oxidase, and arginase. Also, cisplatin increased cavernosal malondialdehyde, NF-kB, TNF-α, IL-1β, and IL-6 but reduced GSH, SOD, and catalase. However, co-administration of L-arginine attenuated cisplatin-induced SD by improving the indices of the male sex act and upregulating testosterone, LH, FSH, NO, cGMP, and dopamine. Arginine co-therapy also suppressed cytokine levels and improved penile redox state.

conclusionsL-arginine attenuates cisplatin-induced male SD by modulating circulating testosterone and NO/cGMP signaling.

Indexed as

ArginineCisplatinCyclic GMPNitric OxideSexual Dysfunction, PhysiologicalTestosteroneAnimalsAntineoplastic AgentsMaleRatsRats, WistarSexual Behavior, AnimalSignal TransductionAntineoplastic AgentsArginineCisplatinCyclic GMPNitric OxideTestosteronechemotherapycisplatinL-argininemale infertilityNO/cGMPSD

Identifiers

PMID41248201
PMCPMC13055187

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