Lactococcus lactis cremoris intra-uterine infection: About an uncommon case report

Slaoui, Aziz; Benmouna, Imane; Zeraidi, Najia; Lakhdar, Amina; Kharbach, Aicha; Baydada, Aziz

doi:10.1016/j.ijscr.2022.107077

Cited by 3 publications

(3 citation statements)

References 34 publications

(115 reference statements)

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“…Urinary tract infections caused by L. lactis are very rare, as it is not considered pathogenic in humans. To our knowledge, this is the second reported case of L. lactis infection of the urinary tract and the first reported case in adults (7,9). A preterm neonate was reported to experience a urinary tract infection caused by L. lactis from the gastrointestinal tract after ingestion of the mother's breast milk (9).…”

Section: Discussionmentioning

confidence: 77%

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Sigmoido-vesical fistula secondary to sigmoid colon cancer presenting as urinary tract infection with Lactococcus lactis: A case report

Cao²,

Liu³

et al. 2023

Front. Oncol.

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A colovesical fistula is a pathological communication between the colon and bladder. The symptoms include pneumaturia, fecaluria, and a lower urinary tract infection. The diagnosis is based on clinical symptoms, but the symptoms are not specific. Therefore, confirming the diagnosis is challenging. Urine cultures performed in patients with colovesical fistulas usually show growth of Escherichia coli or mixed growth of bowel organisms. Urinary tract infections caused by Lactococcus lactis are very rare, as it is rarely considered pathogenic in humans. We report the case of a 70-year-old woman who presented with symptoms of a recurrent urinary tract infection. Urine cultures were positive for L. lactis. Abdominopelvic computed tomography (CT) revealed focal thickening of the bladder wall and gas in the bladder. Cystoscopic examination and colonoscopy revealed sigmoid colon cancer and a sigmoido-vesical fistula. Laparoscopic surgical treatment was done. The patient recovered and was discharged 3 weeks later without chemoradiotherapy. On follow-up after 6 months, the patient was asymptomatic and stable. To our knowledge, this is the second reported case of L. lactis infection of the urinary tract and the first reported case in adults. L. lactis infection usually indicates the presence of serious underlying diseases such as malignancies, uncontrolled diabetes, and organ failure.

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Section: Discussionmentioning

confidence: 77%

“…Lactococcus is a genus of facultative anaerobic catalase-negative gram-positive intestinal cocci (7). This genus of bacteria is commonly used in manufacturing dairy products and has been investigated for use in the biotechnology industry as a delivery system for vaccines and other therapies (8).…”

Section: Discussionmentioning

confidence: 99%

Sigmoido-vesical fistula secondary to sigmoid colon cancer presenting as urinary tract infection with Lactococcus lactis: A case report

Cao²,

Liu³

et al. 2023

Front. Oncol.

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“…A follow-up showed improvement in clinical status. Another case occurred as chorioamnionitis in a patient with known exposure to unpasteurized buttermilk [ 39 ]. She was treated with amoxicillin 1 gram, three times daily for 10 days.…”

Section: Discussionmentioning

confidence: 99%

Lactococcus lactis Endocarditis in an Immunocompromised Patient

Mitchell

Gorn

Cheung

et al. 2022

Case Reports in Infectious Diseases

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Lactococcus lactis infections are rarely reported in the medical literature. L. lactis is a commonly used fermenting agent which may be difficult to identify with common microbiology identification processes. This factor may contribute to its lack of recognition in medical journals. We report a case of an immunosuppressed 80-year-old female with L. lactis bacteremia, subsequently, found to have aortic valve vegetation, who responded clinically to a six-week duration of ceftriaxone therapy. Afterward, a brief updated literature review is presented on L. lactis infections.

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Feeding on lactic acid bacteria isolated from food extends the lifespan of Caenorhabditis elegans

Komura,

Aoki,

Nishikawa

2024

Letters in Applied Microbiology

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Lactic acid bacteria (LAB) contribute to human health, and LAB functionality has been studied using Caenorhabditis elegans as an alternative host. However, many studies have focused on the efficacy of a single strain of LAB, and few reports have compared various LAB strains. In this study, we examined the effects of 15 strains of LAB isolated from vegetables, meat, and fermented foods on nematode longevity and healthy lifespan. To reduce the frequency of laborious survival observations, we performed a lifespan assay on agar plates containing 2′-deoxy-5-fluorouridine (FUdR), which inhibits egg-hatching and prevents generation mixing. Four beneficial strains showed significant lifespan extension and increased spontaneous nematode mobility, regardless of treatment with or without FUdR and the frequency of survival observation. These results suggested increased longevity and an extended healthy lifespan, which confirming the reliability of our method. The four strains are expected to show anti-ageing effects besides longevity and have effects on age-related degenerative diseases. Our labour-saving method can be used as an alternative to conventional methods and enable simultaneous screening of multiple strains. Future research could explore factors contributing to lifespan regulation by comparing and verifying differential strain effects on lifespan.

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Lactococcus lactis cremoris intra-uterine infection: About an uncommon case report

Cited by 3 publications

References 34 publications

Sigmoido-vesical fistula secondary to sigmoid colon cancer presenting as urinary tract infection with Lactococcus lactis: A case report

Sigmoido-vesical fistula secondary to sigmoid colon cancer presenting as urinary tract infection with Lactococcus lactis: A case report

Lactococcus lactis Endocarditis in an Immunocompromised Patient

Feeding on lactic acid bacteria isolated from food extends the lifespan of Caenorhabditis elegans

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