Publications by authors named "Svetlana Vujovic"

Article Synopsis
  • Spinal muscular atrophy type 3 (SMA3) is a genetic disease mainly affecting motor neurons, but recent findings show metabolic issues like fatty acid and glucose metabolism irregularities in patients.
  • A study involving 23 adult SMA3 patients revealed that over 60% had lipid abnormalities, and a staggering 91.3% showed signs of insulin resistance, though none had full-blown diabetes.
  • The results indicate a significant connection between muscle, liver, and fat tissue functioning in SMA3 patients, emphasizing the need for focused metabolic care to manage potential health risks as these individuals age.
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Background & Objectives: Drospirenone (DRSP) is a progestin with antimineralocorticoid and anti-androgenic activity. When administered in combination with estradiol (E2), it relieves menopausal symptoms. The aim of this study was to evaluate the effects of DRSP/E2 on the reduction of cardiovascular risk factors in menopausal women with hypertension.

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Previous studies relating to prolonged and fractionated distillation procedures highlighted essential oils' (EOs) chemical composition to be significantly dependent on the extraction duration and harvesting time. As a continuation, a hydrodistillation procedure was applied to ripe fruit material of fennel, Miller (Apiaceae), collected from three localities in Montenegro (Podgorica, Nikšić, and Kotor) to furnish a total of 12 EOs. Liquid and vapor phases of the samples were analyzed by Gas Chromatography/Mass Spectrometry and Headspace-Gas Chromatography/Mass Spectrometry techniques, and 18 compounds have been identified.

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Background: Disrupted sleep affects cardio-metabolic and reproductive health. Obstructive sleep apnea syndrome represents a major complication of obesity and has been associated with gonadal axis activity changes and lower serum testosterone concentration in men. However, there is no consistent opinion on the effect of obstructive sleep apnea on testosterone levels in men.

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A growing number of patients with adrenal incidentalomas and subclinical Cushing's syndrome (SCS) led to an increasing number of different guidelines, and diagnostic and treatment recommendations. Excess cortisol secretion in patients with SCS is associated with several comorbidities, such as hypertension, dyslipidemia, type 2 diabetes mellitus, and obesity, which in the long-term increase mortality of these patients. Subtle cortisol secretion affects bone health, quality of life and causes depression, but due to the unapparent clinical features, patients with SCS are often at risk between over and under treatment.

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to test effects of estradiol (E2) 1 mg and drospirenone (DRSP) 2 mg in treatment of normal weight menopausal women with typical menopausal symptoms, hyperinsulinism, and grade I hypertension. The participants were 133 menopausal women, mean age 51.82 ± 3.

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Acetamiprid is a neonicotinoid pesticide, which is extensively used on agricultural crops, but has a high toxic effect on beneficial insects and the human body. It is exposed to sunlight irradiation on crops but also in surface waters where it is found at a high level due to its resistance to common water treatments. The aim of the present work was to study the UV-visible photodegradation of acetamiprid, alone and in two marketed mixtures (Polysect Ultra SL® and Roseclear Ultra®).

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Premature ovarian insufficiency (POI) is a delicate medical problem in young women. This condition is not unchangeable and permanent but is associated with intermittent and unpredictable ovarian activity, resulting in low conception rate. Over the period of 8 years, the evaluation of secondary amenorrhea was conducted in 90 patients below the age of 40 who wished to restore fertility.

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- The aim of the study was to assess the role of the estradiol and progesterone relationship during the late luteal phase and the occurrence of fibrocystic breast disease (FBD). The concentration of estradiol/progesterone was measured in the group of women with FBD as study group (n=50) and control group of women without FBD (n=40). All women had regular ovulation cycles.

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More empathized approach is required and is obligatory to women with premature ovarian insufficiency (POI) interested for pregnancy. In order to improve fertility rate in POI patients our suggestions would be: (1) To decrease FSH value to 10-15 IU/L by increasing estrogen. Oocyte donation can be suggested after a minimum of six month interval from FSH between 10-15 IU/L and when no dominant follicles are found.

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Gender affirmation surgery remains one of the greatest challenges in transgender medicine. In recent years, there have been continuous discussions on bioethical aspects in the treatment of persons with gender dysphoria. Gender reassignment is a difficult process, including not only hormonal treatment with possible surgery but also social discrimination and stigma.

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Article Synopsis
  • The study investigates the by-products formed when dehydroacetic acid (DHA) is exposed to ultraviolet-visible (UV-vis) light in both solutions and cosmetic emulsions.
  • Advanced analytical techniques, including gas chromatography and high-performance liquid chromatography, were used to identify four photoproducts, with one classified as 'moderately toxic' based on toxicity tests.
  • The findings highlight that most new photoproducts formed during irradiation, particularly in cosmetic emulsions, have not been previously reported, indicating the need for improved protection of products containing DHA from sunlight to avoid harmful effects.
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Objective: A high prevalence of insulin resistance (IR) has proven to manifest in patients with adrenal incidentalomas (AI). It has been demonstrated that an increase in IR is related to the size of tumourous masses; additionally, luteinizing hormone (LH)-dependent adrenal pathologies are well documented in patients with LH-responsive adrenal tumours occurring under conditions of physiologically elevated LH. We hypothesized that an association between LH and insulin might play a role in adrenal tumourigenesis and steroidogenesis.

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Primary premature ovarian insufficiency (PPOI) is characterized by hypergonadotropic amenorrhea and hypoestrogenism in women under 40 years of age. PPOI incidence is 1:10,000 in women aged 18-25, 1:1000 in women aged 25-30 and 1:100 in women aged 35-40. In 10%-28% of cases, PPOI causes primary and in 4%-18% secondary amenorrhea.

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Article Synopsis
  • - The study examined how α-tocopherol (Vitamin E) decomposes under UV-visible light in a lab setting and in a cosmetic cream, identifying nine different breakdown products.
  • - Advanced techniques like GC-MS/MS and LC-UHR-MS helped to identify these photoproducts and postulate how they form when exposed to light.
  • - Toxicity assessments suggested that some of these photoproducts are significantly more toxic than α-tocopherol itself, raising concerns about the environmental impact of irradiated α-tocopherol, especially its effects on aquatic organisms.
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Objective: To assess influence of obesity and hormone disturbances on sexuality in the menopause.

Methods: The study included 73 menopausal women, who were divided into groups according to body mass index (BMI) ≥ 26.7 kg/m.

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Degradation of fluorene under UV-vis irradiation in water was investigated and structural elucidation of the main photoproducts was achieved using gas chromatography coupled with mass spectrometry. Twenty-six photoproducts were structurally identified, mainly on the basis of electron ionization mass spectra interpretation. The main generated transformation products are hydroxy derivatives.

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Background/aim: Matrix metalloproteinase-9 (MMP-9) index is the ratio of active MMP-9 and total MMP-9 levels. It reflects the importance of MMP-9 in acute coronary syndrome (ACS).

Methods: The study included 3 groups of patients (n = 87): the group 1 - non-diabetic subjects without ACS (control); the group 2 - diabetic patients with ACS [subgroups with unstable angina pectoris (UAP), myocardial infarction (MI) or reinfarction]; and the group 3 non-diabetics patients with ACS.

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Paraneoplastic syndrome might be the first clinical manifestation of malignancy. We present a menopausal female with the acquired hypertrichosis lanuginosa (AHL) as an initial clinical presentation of rectal adenocarcinoma, unusually associated with paraneoplastic cerebellar degeneration (PCD) and disseminated intravascular coagulation (DIC).

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Summary Introduction: Androgen insensitivity syndrome (AIS) belongs to disorders of sex development, resulting from complete or partial resistance to the biological actions of androgens in persons who are genetically males (XY) with normally developed testes and age-appropriate for males of serum testosterone concentration.

Case Outline: A 21-year-old female patient was admitted at our Clinic further evaluation and treatment of testicular feminization syndrome, which was diagnosed at the age of 16 years.The patient had never menstruated.

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Objective: To investigate whether gene variants of SOHLH1 exist in Chinese and Serbian patients with primary ovarian insufficiency (POI).

Design: Case-control genetic study.

Setting: University hospitals.

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Atypical prenatal hormone exposure could be a factor in the development of transsexualism. There is evidence that the 2nd and 4th digit ratio (2D:4D) associates negatively with prenatal testosterone and positively with estrogens. The aim was to assess the difference in 2D:4D between female to male transsexuals (FMT) and male to female transsexuals (MFT) and controls.

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Transsexualism is a complex condition in which the person experiences the inconsistency between the desired gender and their biological gender. Absence of the vagina is devastating in male to female transsexuals. Creation of the neovagina is the main surgical problem in these patients.

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Background: Investigations in the field of gender identity disorder (GID) have been mostly related to psychiatric comorbidity and severe psychiatric disorders, but have focused less on personality and personality disorders (PDs).

Aims: The aim of the study was to assess the presence of PDs in persons with GID as compared to cisgendered (a cisgender person is a person who is content to remain the gender they were assigned at birth) heterosexuals, as well as to biological sex.

Methods: The study sample consisted of 30 persons with GID and 30 cisgendered heterosexuals from the general population.

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