Submitted: 28 January 2020| Approved: 17 February 2020 | Published: 18 February 2020
How to cite this article: Sylvie ON, Geraldo D, Joseph BB, Bruno TP. Molecular profiles of hepatotoxicity and nephrotoxicity markers in dysmenorrheic (on treatment or not) students. Clin J Obstet Gynaecol. 2020; 3: 013-017.
Copyright License: © 2020 Sylvie ON, et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: Dysmenorrhea; Hepatotoxicity; Molecular profiles; Nephrotoxicity; University students
Background: Dysmenorrhea is menstrual disorder that affects about 40% - 90% of women worldwide, it is associated with oxidative stress. The current treatment of this condition is administration of non-steroidal anti-inflammatory drugs, which when frequently used, may affect organs.
Objective: Assess the hepatotoxicity and nephrotoxicity side effects related to dysmenorrhea and its treatment
Materials and methods: A survey (questionnaire) was designed and implemented on 689 female students of the University of Dschang. After this, and following the inclusion criteria, 191 blood samples were collected for assay of hepatotoxicity markers (transaminases, albumin), nephrotoxicity indicators (creatinine, urea, total protein) and the inflammation associated indicators. The measurements were performed on fully automated Olympus AU 400 Analyzer, using standard reagent kits.
Results: Subjects with untreated dymenorrhea lasting more than five years had a significantly high level (p < 0.05) of ALT (39.47 ± 15.74 IU/L) and AST (44.37 ± 13.74 IU/L). Transaminases levels were significantly associate (p < 0.01) and positively correlate (0.251 for ALT and 0. 223 for AST) with the disease duration. Dysmenorrheic individuals on medication for more than 9 years had significantly higher ALT (25.14 ± 7.85 IU/L) and AST (35.26 ± 0.70 IU/L) levels (p < 0.05) compared to those under treatment for less than 5 years (19.37 ± 8.27 UI/L and 27.68 ± 8.56 UI/L). The use of analgesics, regardless of the duration of treatment, had normal creatinine clearance (107.44 ± 30.86 ml/min), compared to those treated with either anti-inflammatory drugs (71.56 ± 26.44 ml/min), or a combination of analgesics and anti-inflammatory drugs (81.34 ± 31.97 ml/min), which was significantly reduced (p < 0.05).
Conclusion: Dysmenorrhea duration, type and duration of treatment potentially expose participants to liver and kidney disorders.
Dysmenorrhea, a painful or cramping sensation in the lower abdominal and/or lower back area is often accompanied by other biological symptoms, including fatigue, dizziness, sweating, head-aches, backache, nausea, vomiting, diarrhea, all occurring just before and/or during menstruation [1,2]. Two categories of dysmenorrhea can be distinguished: primary (primitive) and secondary (organic), according to its pathogenesis. Primary dysmenorrhea is menstrual pain without pelvic disorder and secondary dysmenorrhea is menstrual pain associated with identifiable disease such as the endometriosis . Primary dysmenorrhea is associated with a normal ovulatory cycle, with no pelvic pathology and has a clear physiological etiology [4,5]. After ovulation, there is a build-up of fatty acids in the phospholipids of the cell membranes. High intake of omega-6 fatty acids in the western diet results in a predominance of the omega-6 fatty acids in the phospholipids of the cell wall . After the onset of progesterone withdrawal before menstruation, these omega-6 fatty acids, particularly arachidonic acid, are released and a signaling cascade involving prostaglandins (PG) and leukotrienes (LT) is initiated in the uterus. This PG- and LT-mediated inflammatory response produces both cramps and systemic pain. Particularly, prostaglandin F2α and cyclooxygenase (COX) metabolite of arachidonic acid, cause potent vasoconstriction and myometrial contractions, leading to ischemia and pain . Its frequency is such that it is a real public health problem. In fact, 40% - 90% of women worldwide complain of dysmenorrhea, 5% - 14% of whom are adolescents and are regularly absent to school. About 13% - 51% of adult women report at least a once in their lifetime, disability resulting from dysmenorrhea .
Depending on the dysmenorrheic history and the absence of pelvic abnormality upon clinical examination, empiric therapy may be initiated. Several drugs are available to alleviate dysmenorrhea-related discomfort. These are principally non-steroidal anti-inflammatory drugs (Ibuprofen and Diclofenac), analgesics (Paracetamol, Efferalgan) [7-9]. Several studies have shown that long term and/or excessive consumption of analgesics have an impact on the functioning of some organs such as kidney and liver. Although this drugs consumption is discontinued during dysmenorrhea (one, two, or three days per month), prolonged usage could as well lead to the same adverse effects. Chronic toxicity of these drugs in the liver and the kidney most often results in the development of cholestasis, steatosis and cirrhosis of liver and these destroy the kidney tissues. Anti-inflammatory drug-associated hepatotoxicity and nephrotoxicity lead to altered profiles in specific biological molecules that can be used as markers. As such hepatotoxicity markers (transaminases, albumin) and nephrotoxicity markers (creatinine, total protein) [10-12] have been identified and widely accepted by the scientific community. Usually, dysmenorrhea treated via the discontinuous outlet and long-term dosage of such uncontrolled pain-killers (analgesics and NSAIDs), moreover, the oxidative stress which participate in the death cell by necrosis or apoptosis is associated with dysmenorrhea [13,14]. The likelihood that these patients are prone to more or less long term hepatotoxicity and nephrotoxicity is high. This is the main reason why this work was designed to evaluate hepatotoxicity and nephrotoxicity in the dysmenorrheic students of the University of Dschang (under treatment or not).
This study was approved by the Academic Research Board of the Biochemistry Department at the University of Dschang, and the Dschang District Hospital. Ethical approval was given by the Cameroon Bioethics Initiation under: CBI/313/CARE/CAMBIN, protocol: 1009 and the approval of the student, given through informed consent.
A Survey was conducted among 689 puberty-aged and non-pregnant students between 17 and 33 years old of the University of Dschang via a questionnaire. After taking into consideration the inclusion criteria (absence of pelvic pathology, problems of kidney and liver, none usage of intra-uterine deviceand pain-killers for other reasons, no pregnancy), 191consenting students were selected and invited at the laboratory of the Dschang district hospital where their weights and heights were taking using an electronic balance and standiometer respectively. 10 ml of urine were collected in a sterile container, and 9 ml venous blood were also collected in dry and citrate tubes. Blood samples was spinned to obtain serum. Transaminases as well as albumin levels were measured to assess the liver functioning, while creatinine, urea and total protein were quantified to evaluate renal functioning. The measurements were performed on fully automated Olympus AU 400 Analyzer (Olympus Diagnostics GmbH, Germany) using standard reagent kits from laboratories: RECKON-India [ALAT(14FX17N)], MONLAB-Barcelone [ASAT(MO-165071) and creatinine (MO-1650)], SGM Italia-Roma [total protein LR (10031), albumin LR (10040) and urea UV LR (10239)]. The C-reactive protein and erythrocyte sedimentation rates were determined via agglutination using standard reagent kit from Human- Germany laboratory [c protein reactive (40034)] and on Westergren sedimentation tube respectively to detect any inflammation in the body. In urine, parameters such as protein and blood cells were evaluated by colorimetric assay of reactive strips while crystals, cylinders and urothelial cells were detected by microscopic observation. All these parameters were used for the evaluation of renal and hepatic functions.
Statistical analysis were carried out using SPSS 20.0 and Epi Info for window 13.0 and 6.0 software program respectively; continuous variables were expressed as mean ± Standard Error of Mean. The Waller Duncan test was used to separate means. Chi square and Fisher tests were used for the categorical variables. While the Rank correlation was applied to test the association between continuous variables. p < 0.5 was considered statistically significant.
Of the 689 students surveyed, 191 agreed to give their biological samples (blood and urine) to the laboratory for analysis. Of the 191 participants, 42 were healthy, while 149 were dysmenorrheic. Of these, 83 were on medication; the results are in the table below
Table 1 summarizes the variation in haematological and biochemical parameters depending on the presence or absence of dysmenorrhea (healthy or sick). No significant difference was observed between the hepatotoxicity and nephrotoxicity independently of the status of the student.
The impact of the duration of dysmenorrhea on the various parameters of hepatotoxicity and nephrotoxicity is presented in table 2. A significant increase (p < 0.05) was registered for transaminases, with dysmenorrhea over 9 years of the disease.
The impact of medications on the liver and kidneys is shown in tables 3,4. A significant increase in serum albumin (p < 0.01) with medication and depending on the duration of treatment was observed (Table 3). As presented in table 4, a significant increase in transaminases was more pronounced over 9 years of treatment (p < 0.05).
The relationship between biochemical parameters and experimental parameters (presence of dysmenorrhea and its treatment) is represented in table 5. In this table, we observe positive correlation/relationship between of transaminase and duration of dysmenorrhea and between the albumin and medication.
The significant increase in the activities of transaminases (AST and ALT) in participants respectively whose medication and disease duration were over 9 years could be due to the oxidative stress induced by a combination of inflammation of the uterus and reactions of drugs or their metabolites. Dysmenorrhea is caused by tissue hypoxia/ischemia in consecutive uterine myometrium hypercontractility and arteriolar vasoconstriction of the uterine muscle; ischemia which releases noxious substances capable of exciting the nerve endings and triggering the alarm system (inflammation), which also causes an overproduction of reactive oxygen species (ROS) in the body, causing oxidative stress. This will result in oxidative damage in DNA, proteins, lipids, carbohydrates, which further leads to tissue destruction and eventually death of cells (hepatocytes) by necrosis or apoptosis . Reactive metabolites formed during the processing of the drug in the hepatocytes can interact directly with the proteins, lipids or nucleic acids to initiate oxidative damage, or lipid peroxidation, leading to cell death by necrosis or apoptosis . Dysmenorrhea (inflammation) leads to prolonged accumulation of ROS and could therefore lead to liver disease. Oxidative stress from ROS can lead to necrosis in various tissues such as renal tissue , causing changes in the activity of numerous control settings by them. The decline in the renal clearance of creatinine observed in this work could be dependent on the oxidative stress which affected the renal functioning. The significant decrease of creatinine clearance recorded in female students who dealt with NSAIDs and concomitant intake of NSAIDs respectively are due to the inhibition of cyclo-oxygenase by anti-inflammatory nonsteroidals, leading to an intra-renal vasoconstriction and decreased renal perfusion. The protection of glomerular perfusion mechanism being interrupted, this leads to the collapse of the glomerular capillary pressure and thus the glomerular filtration rate . The treatment with acetaminophen did not cause kidney disease, although prolonged use of more than 500 g of acetaminophen led to kidney failure .
Participants treated over a long period (nine years) and those suffering from dysmenorrhea for the same period showed renal disease, resulting in a significant increase and decrease of creatinine and its clearance respectively, as well as liver disease showed by the increase in transaminases enzymes activities.
We would like to express our profound gratitude to all female student participants of the University of Dschang-Cameroon, for their co-operation and contribution towards this study.
Founding of work
The funding of this work came from the authors.
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