Adult zebrafish livers treated to different dosages of TCS, SOD, CAT, and GPx enzyme activity were assessed. When the antioxidant defence fails to resist this ROS, the overwhelming generation of ROS is a potential source of enzyme inactivation. ROS elimination is caused by the change of radicals without oxygen into hydrogen peroxide molecules by SOD, further reduced into H₂O by CAT and GPx68. As a result, if these critical first-line defences become less active, H₂O₂ and its degradable compounds may accumulate69. SOD activities were inhibited in all treatment groups relative to the control group, according to the research. At the lowest dose of 50 g/L, though, the caused suppression of SOD was significant (p < 0.05) when compared to the control70. The lower concentrations of SOD activity in the treatment groups' liver tissue may be related to the ROS generated by TCS treatment. The CAT and the GPx enzymes must maintain intracellular redox equilibrium and H₂O₂ degradation68.

The activity of CAT followed a parallel path to that of SOD in the liver. There was a substantial decrease in CAT activity between the treatment and control groups (p < 0.05). The reduction of CAT activity in the liver varies considerably between treatment groups at p < 0.05, with the effect of suppression being most noticeable at the lowest dose (50 g/L)71. The apparent decrease in CAT behaviour implies that the produced H₂O₂ may not be quickly destroyed by CAT, indicating a redox imbalance in the cell. The pattern toward reduced CAT activity was lower in the liver72. Poor regulation of antioxidant enzyme activity may result in an increased amount of ROS, thus reducing the antioxidant system's efficiency. This theory is supported by the idea that increasing ROS produced the reduction in SOD, resulting in a loss in enzyme efficiency and function73.

Figure 1

CAT plays a vital role in the progression of ROS due to TCS toxicity (Figure 1). After subchronic treatment with TCS, the enzyme activity of SOD and CAT was assessed in the brain of adult zebrafish74. CAT activity was reduced to control across treatment groups. There was a statistically significant difference in CAT activity between the control and increased TCS exposure (100 g/L and 150 g/L). TCS may alter the zebrafish brain's antioxidant system due to the reduction of CAT and SOD activities. Despite this, mean SOD activity in the brain was significantly greater than in the liver for both TCS treatments, whereas mean CAT function in the brain was significantly lower. The various physiological roles of the organs may describe the discrepancy in numerical ranges of antioxidant enzymatic activity74.

GSH and GSSG (the glutathione system) are non-enzymatical antioxidants, and also GSH enzymes are regarded as the second-line defensive mechanism for oxidative damage69. The action of GR is critical for GSH regeneration as a defence mechanism against oxidative stress. Because GSH is converted to an oxidized form, GSSG, during metabolic activity, GR recycling of GSH from GSSG is critical for sustaining the cellular antioxidant protective mechanism75. Additionally, it’s important to note that GPx is involved in detoxifying ROS and H₂O₂ through the oxidation of GSH to GSSG, implying that suppression of GPx activity may impact glutathione and its conjugate levels9.

Scientists found a significant decrease in GSH concentration in adult zebrafish livers exposed to TCS compared to a control group (p0.05). GSSH concentrations were also considerably less in TCS-exposed groups than in controls (p < 0.05). Furthermore, except for the 100 g/L TCS exposure group, the treatment groups did not consider the decrease in GSSG concentrations76. Following TCS exposure, the GSH/GSSG concentrations were decreased, indicating GSH levels (Figure 1). GR activity was observed to be less than control in treatment groups. Besides the 50 g/L and 100 g/L groups compared to the control group, the reduced GR activity was not substantial within groups (p < 0.05)77. The decreased GSH/GSSG found in the current research may explain that GSH could not be revived to regain its normal concentration in the liver after treatment to TCS concentrations due to lower GPx and GR activities. The results demonstrated that adult zebrafish livers lost antioxidant mechanisms following subchronic exposure to TCS.

In contrast to the roles of GPx and GR, the study found that treatment groups had higher GST activity in their livers than the control group. GST is a biotransformation enzyme that plays an important role in coupling glutathione with various contaminants68. GST protects cells from oxidative damage in phase II detoxification by catalysing the tripeptide GSH with electrophilic substrates. Except for the difference between the 150 g/L groups and the control, which was notable at p < 0.05, there were no substantial variations in increased GST activity among groups78.

The research results are under the enhanced GST activity reported in zebrafish larvae challenged following TCS exposure (250 – 350 μg/L)79. De novo synthesis may account for the decrease in rGSH content in the cells, explaining its stable level following TCS treatment. The homocysteine molecule is linked to the production of rGSH, and the cysteine amino acid in GSH is made from the same pool of homocysteine utilized to make S-adenosylmethionine (SAM). For methyltransferase enzymes, SAM serves as a methyl donor. As a result, the GSH system is intimately linked to DNA methylation, critical throughout embryonic development74.

The peroxidation of cell membrane lipids is a potential result of organisms being exposed to ROS-generating pollutants. MDA is a result of membrane LPO and is often employed as a biomarker to indicate the degree of cell membrane damage80. The inability of the antioxidant system of the liver to remove ROS caused by TCS after subchronic exposure might explain the enhanced MDA concentrations in the liver (Figure 1). A recent study on Daphnia magna (D. magna) showed that MDA levels were significantly greater than controls after 6 hours of TCS exposure. Still, they were significantly lower after 24 and 48 hours, indicating lower MDA levels. The increase in MDA content in Eisenia fetida, according to Lin D et al.,81, showed oxidative stress caused by TCS. The current research found an opposite connection between MDA concentration and SOD action, rising first and then decreasing. Consequently, the decrease in MDA was likely due to the defensive activity of SOD in TCS-exposed D. magna against oxidative damage82.

In D. magna, TCS is responsible for the production of MDA, aminopyrine N-demethylase (APND), ethoxyresorufin-O-deethylase (EROD), and erythromycin N-demethylase (ERND)83. Additionally, increased amino acid levels in daphnids, like glutamate, proline, and glutamine, have been related to an overall state of oxidative stress84. TCS has been found to change the expression of stress-related proteins, including heat shock protein 70 (hsp-70) and glyceraldehyde 3-phosphate dehydrogenase (GAPDH) in D. polymorpha, in addition to LPO85. TCS exposure produced CAT, EROD, ERND, and APND in yellow catfish Pelteobagrus fulvidraco86. Up- and downregulation of Cyp1a, Cyp3a, and Gst expression was seen in response to TCS level and duration of exposure, a trend similar to MDA production87. In goldfish Carassius auratus, TCS-induced oxidative damage was also found to have elevated MDA. After TCS exposure, the goldfish's liver showed various antioxidant enzyme responses and changes in MDA levels over a pH value ranging from 6 to 99, 82.

Antioxidant molecules, particularly those derived from plants, have grabbed scientists' attention in recent years. On the one hand, there is expanding proof of the preventive effect of vegetables and plant foods on cancer and other neurological disorders. On the other hand, there is emerging fear about the health consequences of synthetic antioxidants currently practiced as food additives88. Antioxidant substances are free radical scavengers since they limit or postpone substrate oxidation by free radicals, leading to substantial protection of LPO in biological systems. The primary natural antioxidants found in plants, foods, and drinks are phenolic and polyphenolic compounds89. These compounds, which involve flavonols, quercetin, catechins, and anthocyanins, have common structural composition. They optimize the oxidative stability of foods and human systems through their redox characteristics which can help neutralize free radicals, quench singlet oxygen, and decompose hydroperoxides, among other things90.

The TAC was determined using the extract's reduction of Mo (VI) to Mo (V) and the synthesis of a green phosphate/Mo(V) complex at an acid pH91. It assesses TAC that is both water-soluble and fat-soluble. The findings show that the methanol and acetone extracts have greater TAC (ascorbic acid equivalent) at low quantities. However, the variations are not statistically significant (p = 0.05) compared to the n-butanol extract. Furthermore, the n-butanol extract was shown to have substantial overall antioxidant activity at greater concentrations, equal to 90 mg/g ascorbic acid11. As the antioxidant capacity of ascorbic acid has been utilized as a benchmark against which plant extracts with potential antioxidants have been tested, this indicates that the n-butanol extract may have similar antioxidant components92.

It has been proposed that the donation of electrons is linked with antioxidant activity, which reflects the reduction in potency of bioactive substances. Antioxidants may function as reductants, and the deactivation of oxidants by reductants can be regarded as redox processes in which one of the reaction species is reduced at the cost of the other being oxidized90. The Fe³⁺/ferricyanide complex is reduced to the ferrous form when reductants, such as antioxidant compounds, are present in the samples. The extracts' reducing power increased as concentration increased, indicating that the extracts' capacity to donate electrons is sensitive at lesser concentrations. The considerably higher absorbance values of n-butanol extract than gallic acid indicates that the n-butanol extract has strong redox capability and may function as a reducing agent, hydrogen donor, and singlet oxygen quencher93. However, the extracts included the identical classes of phytochemicals, therefore the quantitative variation in antioxidant activity may be due to differences in phytochemical concentrations94. The findings indicate that the n-butanol extract has a higher concentration of antioxidants than the methanol and acetone extract95. It was discovered that the root of A. difformis has antioxidants that may be important in the therapeutic activity of this plant portion. These results call for more research in isolating and characterizing the bioactive molecules accountable for the antioxidant action12.

Vischer and Regös may have been the first to describe TCS' antibacterial activity, which they demonstrated via topical treatment96. TCS's various action modes and cellular targets have been the subject of further research, which continues today. TCS was originally believed to react with the prokaryotic cell membrane in a nonspecific manner97. The TCS resistance of gram-negative bacteria has supported this hypothesis due to the membrane of their cells. The genetic response to TCS for M. tuberculosis has been investigated by Betts et al. (2003)98. Changes have been found in various cell wall genes transportation, detoxification, and other functions such as DNA replication and transcription. In E. coli and Rhodospirillum rubrum (R. rubrum) S1H, many genes implicated in the membrane tension reaction pathway were investigated99. Substantial variations in phenotypes of genetic code linked to the cell wall, flagella, cell envelope, multidrug efflux, and membrane structure were discovered during the electro-Fenton conversion of TCS. These results add to a previous study describing increased TCS resistance from an overexpressed acrAB multidrug efflux pump99. TCS is thought to interact with the Agrobacterium tumefaciens transcriptional repressor AcrR, causing structural changes and blocking it from adhering to the promoter of the efflux pump AcrA100.

In human erythrocytes, the association of TCS with the cellular membrane was also investigated. TCS caused K⁺ outflow and visible haemolysis, implying membrane destruction while counteracting hypotonic breakdown caused by membrane enlargement101. TCS also decreased the activity of Na⁺, Mg²⁺-ATPase, and K⁺, which is membrane-bound. According to these findings, TCS induces membrane instability, disrupts monovalent ion movement, and alters the overall osmotic balance of red blood cells102. Several investigations have shown proof of membrane disruption in the form of decreased integrity and permeability. Guillen J et al.,103 used nuclear magnetic resonance (NMR) spectroscopic to establish how TCS interfaces with the plasma membrane. They discovered that TCS introduction into aquaphobic regions within the lipid membrane, perpendicular to phospholipid molecules.

TCS and final cell destiny drew attention because of its application in oral hygiene items, as shown by two pivotal research on human gingival cells85. TCS leads to having a negative impact on cellular longevity (Figure 1). A new apoptotic trigger in epithelial cells may be TCS, cytotoxic to gingival epithelial cells and gingival fibroblasts. Till now, research in both human and animal model systems has taken a more concise approach to link TCS-induced cell death to other cellular rivals. Several dosages and scheduled responses were seen if TCS was applied to placental human choriocarcinoma cells104. Elevated TCS levels have suppressed the release of β-human chorionic gonadotropin (β-hCG), despite increased oestradiol and progesterone production (104). By stimulating caspase-3 and fragmenting Hoechst 3342 labelled DNA, considerable cell mortality was detected as apoptotic in furthermore to decreased growth104. Likewise, Winitthana et al. (2014)105 found that 24-hour exposure to 10 M TCS caused cell mortality and suicide in human lung cancer anoikis-resistant H460 cells. Nevertheless, safe levels (to 7.5 μM) improved cell development without modifying the proliferation (elevated colony counts and decreased size). TCS also encouraged cell migration and invasion, as well as the epithelial-to-mesenchymal transition (EMT).

A research team used BG-1 ovarian cancer cells in various animals and laboratory experiments to determine how TCS influenced the development and proliferation of such cells. TCS stimulates cell proliferation and cyclin D1 gene expression and protein levels while lowering p21 and Bax genetic code appearance and protein level106. The ER antagonist ICI 182,780 greatly inhibited these impacts, implying that ER is involved in TCS-induced cell cycle development and its antiapoptotic function107. MCF-7 bosom malignancy cells and LNCaP prostate cancer cells both reacted to TCS in the same way, according to other researchers in the same group. 1 M of TCS raised development and multiplication in MCF-7 cells over six days, with elevated cyclin D1 and lower p21 expression108. Research on the effect of TCS on cell destiny has shown that it has estrogenic, proliferative, and apoptotic properties109. TCS regulation is especially susceptible to genes and proteins that control the cell cycle and apoptosis. In addition to other research data such as cell type and exposed length, the variation in ultimately cell destiny appears to imply interracial difference and dosage reaction. Extending our understanding of the presence and identifying a precise molecular "switch" that can shift the balance in support of apoptosis or persistence could be a crucial topic of upcoming research14.

TCS has long been known as a successful treatment for infectious dermatitis, with the compound's therapeutic ability ascribed entirely to its antimicrobial action110. Researchers didn't establish a relationship between TCS exposure and non-infectious inflammation remission until the last two decades of the previous century. The usage of antibacterial agents as anti-inflammatory therapeutic has gained much attention over the past two decades111. Anti-inflammatory activity has been demonstrated in many antibiotics, including quinolones and macrolides112.

According to Gaffar A et al.,113 TCS reduced LPO synthesis, 15-LPO, 5-lipoxygenase, IL-1-induced prostaglandin E2 (PGE2), and cyclooxygenase-1 (COX-1), COX-2 in gingival cells. Additionally, TCS has been found to inhibit a broader variety of inflammatory agents, such as arachidonic acid and prostaglandin I2 (PGI2) produced by TNF-induced PGE2, IL-1β, phospholipase A2 (PLA2), COX, and tumour necrosis factor114. Furthermore, individuals who received a mouth rinse containing 0.15 percent TCS had considerably fewer oral erythematous lesions than those who received a TCS-free mouth rinse in a crossover trial. TCS' anti-inflammatory effects had been proven and were generally acknowledged throughout the scientific and medical sectors by that time115.

To date, further research has emphasized the anti-inflammatory properties of TCS. In human gingival fibroblasts, Mustafa M et al.,15 found IL-1β, IFNγ, MHC class II, and PGE synthase-1 as TCS targets. Notably, investigations determining the subcellular location of TCS indicate priority for nucleus accumulation over cytosolic accumulation. Since the cytoplasmic TCS absorption was greater at first, following successive washing, a large percentage of cytosolic TCS was removed, whereas nuclear TCS was retained116. This may account for the altered inflammatory signaling seen in TCS. MicroRNA (miRNA) regulation of the TLR pathway was responsible for inhibiting LPS-induced cytokine production and antimicrobial activity in primary human oral epithelial cells117. The results were similar in cells obtained from diabetes individuals, where the TLR response was amplified118.

On the other hand, TCS has been shown to inhibit the TLR response induced by LPS via altering miRNAs (lowering miR155s but promoting miR146a). TLR4 induced changes in inflammatory responses in mice's skin and leukocytes when they were topically challenged with TCS119. Similarly, TCS suppressed PGE2-stimulated matrix metalloproteinase-13 (MMP-13) or parathyroid hormone (PTH) production in osteoblastic rat osteosarcoma cells120. Since hyperactive MMP-13 has been related to periodontal disease, it's been proposed that TCS may protect against the inflammatory condition of the mouth by acting on that same enzyme, besides others121.

Notably, TCS has proven beneficial in treating various inflammatory states, such as hidradenitis suppurativa (HS) and cardiovascular disease. Furthermore, the application of TCS-drenched ureteral stents appears to become a potential strategy for treating urinary tract infection (UTI) and inflammation. In pregnant women, an enhanced urinary TCS was linked to an elevation in serum IL-6, suggesting a potential pro- or anti-inflammatory function122. TCS is a mediator of immunological and inflammatory responses, as shown by the abundance of data available. Nonetheless, mounting evidence suggests that TCS significantly amplifies and worsens the ultimate result when a pre-existing unfavourable state, like inflammation or tumour, is present14.

The ability to adapt to the continuously shifting intracellular and external environments is greatly facilitated by communicating efficiently. The transmission of data containing particular commands is carried out by carriers that work sequentially along a specified way. Moreover, tasks are often performed by sequentially transducing numerous signals via a complicated, intertwining network, including a diverse array of mediators123. As a result, the relevance of cell signaling cascades in response to xenobiotics must not be overstated.

Cell lines of humans have given a lot of knowledge, especially in researching stressors and xenobiotic-sensitive signalling molecules like TCS (Figure 1). The conventional MAPK has also been implicated as TCS targets124. The TCS-induced proliferation of JB6 Cl 41-5a cells was aided by the activation of c-Jun N-terminal kinases (JNK), p38 MAPKs, and ERK1/2, in addition to Akt125. Proliferation induced by TCS was significantly reduced when phosphoinositide 3-kinase (PI3K) or MEK1/2 were inhibited. According to the results of another study on rat neural stem cells, cytotoxicity and apoptosis induced by TCS were linked to stimulation of the JNK and p38 pathways, as well as blocking of the ERK, Akt, and PI3K pathways126. This indicates that these proteins are involved in both cellular stability and mortality due to TCS's action. Studies used the hypothalamus from Sprague-Dawley rats and Human Nthy-ori 3-1 thyroid follicular cells to demonstrate that TCS stimulates p38 and JNK127. In that research, TCS affected the amount of thyroid peroxidase (TPO) via stimulating the thyrotropin-releasing hormone receptor via p38 MAPK128. TCS reduced AP-1 sequence and Fos/Jun interaction within the C-fos promoters and Mmp-13, which reduced Mmp-13 synthesis in mouse osteoblastic osteosarcoma cells120.

The researchers were particularly interested in TCS's endocrine-disrupting properties, particularly its estrogenicity. Kim YS et al.,106 demonstrated that TCS induced BG-1 ovarian cancer cells proliferation via the ERα. Proving the function of ER, the application of ICI 182,780 restored TCS proliferation characteristics along with related modifications at the levels of cyclin D1, p21, Bax, and protein. Similarly, following TCS treatment, the ER was involved in MCF-7 cell proliferation and an increase in the size of breast tumours in mice109. The suppression of TCS by ICI 182,780 or kaempferol, as well as the activation of insulin-like growth factor (IGF), particularly pIRS-1, PKB, MAPK, and pERK1/2, supported this theory30. In addition, kaempferol reduced the development of VM7Luc4E2 cells stimulated by TCS29. These findings are consistent with those of Huang et al.,129, who previously described the estrogenic activity of nanomolar doses of TCS in identical cells.

The TCS has a dual impact on ER signaling, according to new research. For instance, Henry and Fair33 showed that TCS at concentrations ranging from 7nM to 700M shows estrogenic action when given solely to MCF7 cells but becomes antiestrogenic when combined with E2. According to research, TCS has little effect on rat uterine development, but it may help ethinylestradiol (EE) perform better130. TCS enhances EE-induced suppression of ER and ER expression in independent research but does not stimulate ER when given alone at dosages ranging from 30nM to 100M. According to the study, TCS also reduced E2 and oestrogen sulfotransferase efficiency in the sheep placenta131. In contrast, a TCS-derivative combination produced enhanced ERβ activity but not ERα, resulting in neurological and psychological problems in zebrafish132. ICI 182,780 and RU 486 restored both abnormalities, suggesting that the antimicrobials may have an estrogenic effect.

In terms of TCS's androgenic characteristics, it was discovered that TCS inhibits-TSN-associated transcription while promoting androgen-dependent transcription133. According to Riad MA et al.,134, TCS therapy alone or in combination with butylparaben reduced TSN, follicle-stimulating hormone (FSH), and luteinizing hormone (LH) levels in weanling male rats. At the same time, it increased E2 after a single TCS treatment. Bicalutamide, an androgen receptor (AR) antagonist, significantly inhibited TCS-induced proliferation and translocation of LNCaP cells.

Protein structure and dynamics are affected by calcium levels inside cells. Conversely, Ca²⁺ binding to proteins help maintain the ion's concentration in a physiological limit while simultaneously activating various cellular functions such as gene expression, movement, secretion, and longevity135. Apart from proteins, several factors, like xenobiotic exposure, affect intracellular Ca²⁺ concentration. TCS increased cytosolic Ca²⁺ in primary skeletal myotubes in a dose-dependent manner, regardless of exogenous Ca²⁺, via the Ca²⁺ channel ryanodine (Ry) receptor type 1 (RyR1)26. Accordingly, in vitro and in vivo exposure to TCS was impaired by muscle contractility136. TCS also disrupted the two-way communication in RyR1 channels and Ca²⁺ ions by inhibiting Ca²⁺ entry mediated by excitation137.

The data on the xenobiotic reaction to TCS has shown that TCS activates or suppresses many signaling pathways. Depending on the experimental circumstances and model under study, diverse results occur across species and even within the same species138. Although significant advancements in TCS signaling have been accomplished yet, there is still much to learn about TCS's modulatory impacts on cellular physiology, particularly in human-based systems. TCS therapy has an unknown impact on many human cell types and tissues, so it's critical to determine which signaling pathways are involved in cellular development, metabolism, and general activity14.

The MN and NA are the most significant cytogenetic damage assays for genotoxicity189. A most sensitive method for DNA strand breakdown individual cell genotoxicity test in fish. MN frequencies in zebrafish subjected to the maximal TCS dosage.

The smear was fixed in absolute methanol for 10 minutes, air-dried, and stained with 10% Giemsa stain for 8 minutes in a study of MN and NA. MN and NA rates were significantly different in the TSC-treated group190. The haemocytes' genetic damage was substantial at all three TCS doses, and it followed a concentration- and time-dependent pattern. The comet test in Artemia salina was also used to assess TCS's genotoxicity191.

Figure 2

Table 1

Concentration of TCS	Effects	References
0.0028 – 28.9 µg/ml	Estradiol antagonism	26
0.00002 – 28.9 μg/mL	Cell proliferation, estradiol antagonism	170
0.002 – 200 μg/mL	Cell proliferation, estradiol antagonism, cytotoxicity	33
0 – 20 μg/mL	FAS inhibition, reduced cell viability	35 66
0 – 100 μg/mL	FAS inhibition reduced cell viability non-toxic to normal cells	36, 32
1 µM	Activate transient receptor potential Ankirin-1 (TRPA-1) in human prostate cancer stromal cells	178
0.1 – 10 µM	Proliferation and anti-apoptosis inhibit ROS production	109
10 – 6 M	Up regulate pIRS-1, PKB, and MAPK in breast tumor growth	192
10, 100 and 200 mg/kg	Induce mouse liver tumor via CAR and PPARα activation	147
10 - 5 – 10 - 7 M	Induce proliferation of breast cancer cells through ER pathway and activated CXCR4 receptor involved in metastatic behavior	29

Normal cells can convert into cancer cells due to a variety of genetic and environmental factors. It causes them to develop abnormally and propagate to many other body areas by disrupting regular cellular mechanisms such as DNA synthesis, cell division, and suicide, resulting in fatal disorders193. The basic cancer treatments are surgery, radiotherapy, chemotherapy, and adjuvant medicines such as biological gene or hormone therapies194. TCS's initial particular action strategy in prokaryotic cells was only discovered twenty years ago when it was shown that TCS inhibited fatty acid production in E. coli 195. By replicating its native substrate in vivo, TCS blocked the fatty acid manufacturing enzyme enoyl–ACP reductase permanently (Figure 2). TCS resistance in the bacteria was also conferred by a mutant or overexposed ACP expressed by fabI. ACP be identified as an intracellular TCS goal as a result of these studies. Cerulenin, mycotoxin effectiveness that inhibits fat formation in inhibiting tumour development in vivo has inspired multiple papers in favour of fat formulation suppression as a new approach for chemotherapy196. FAS appearance and action vary in normal and cancerous tissues, with the latter being increased, implying a potentially high therapeutic index. TCS is a good option for chemotherapy because of its long history of human use and widespread presence in consumer goods, as well as promising in vivo outcomes197.

Phytoestrogens generated from vegetables and fruits have long been considered alternative remedies for human disorders as natural chemicals. Phytoestrogens as hormone replacement therapy (HRT) are used in protracted therapies to prevent oestrogen-responsive malignancies, such as bosom cancer198. Polyphenolic substances, such as flavonoids, have been shown in vitro and in vivo to limit bosom cancer cell proliferation by challenging with 17β-oestradiol (E2) for ER attraction sites199 as shown in Figure 2. Further comprehensive underlying mechanisms have to be researched as interest in phytoestrogens' positive effects rises200. Flavonoid-based phytoestrogen kaempferol occurs mainly in fruit and plants like apples, tomatoes, and green tea29. The anti-cancer and osteosarcoma effect of kaempferol has been described in current studies192. It has been reported in many studies that extensive usage of TCS can have cancerogenic potential, as shown in Table 1. Significant research has also highlighted the mechanisms involved in kaempferol anticancer action associated with the cell cycle, cell death and angiogenic, inflammatory reactions, and oxygen radicals production201. In U-2 OS human osteogenic sarcoma cells, kaempferol also reduced the appearance of ERK, JNK, and p38202. Kaempferol inhibited the PI3K/Akt signal transduction by adhering directly to P­­I3K and inhibiting the capabilities of AP-1, and protein kinase b (NF-β), which affect a variety of cellular activities such as growth, angiogenesis, and death203. According to an in vitro study, TCS can enhance the growth of BG-1 ovarian cancer cells by modulating the expression of cell cycle and death genes19.

To investigate for signalling-related genes in MCF-7 cells treated with Dimethyl sulfoxide (vehicle), E2 (109 M), TCS (106 M), and a blend of kaempferol (50 M) and TCS, we conducted western blotting on specimens of proteins recovered from the cells204. Given the discoveries, E2 was up-regulated. IRS-1, PKB, MAPK, and phosphorylated versions of IRS-1 are all expressed in phosphorylated forms (Figure 2). The major proteins of insulin-like growth factor type 1 receptor (IGF-1R) signalling are the ERK proteins. E2 stimulates MCF-7 cell growth through both the ER and IGF-1R signalling pathways. E2 and TCS were used to see how they affected IGF expression (Figure 2). TCS, like E2, was found to exhibit an estrogenic effect by modulating the protein appearance of pIRS-1, PKB, MAPK, and ERK. Kaempferol also had an antiestrogenic impact by inhibiting the protein production of pIRS-1, PKB, MAPK, and ERK, which were all induced by E2 or TCS30. As previously stated, changes in the result of TCS therapy are primarily dependent on the experimental setup. Furthermore, limited evidence from animal research suggests that TCS treatment exacerbates the disease in the existence of a previously established tumour29.

TCS is not effectively controlled, as seen in numerous environmental media, human bodies, and wildlife. Its reckless usage and disposal may endanger humans and the ecology as a whole. TCS has been demonstrated to be harmful to a variety of cells in cell-based investigations. Cell-based assays are time-limited and so cannot rightly examine the consequence of persistent expose. TCS recognition in human fluid or tissue may not have been a reliable predictor of the extended period because the evidence on its bioaccumulation in the flesh is lacking205.

Furthermore, TCS is considered to block enzymes involved in its decomposition206. There is currently a scarcity of information about TCS's pharmacokinetics and pharmacodynamics. Enough knowledge would allow for more flexibility in determining TCS's toxicity. However, its anti-growth influence has been noted in certain malignant cells, the toxicological importance of TCS' inhibitory impact on human FAS is not fully grasped104. TCS has been found in significant amounts in mammalian tissues, raising the likelihood that the molecule has an adverse effect on mammalian anatomy. Its negative impact on birth resistance has been documented, as clinical reports claim it can treat human allergic skin conditions207.

TCS's exact function in selecting antibiotic resistance genes and many drugs protection genetic codes in the surroundings remains resolute. The level of the TCS needed for ecological tolerance choices also needs to be determined. The correlation between TCS introduction and bioaccumulation in an earthly organism is still unclear208. More research is needed, such as the movement of soil-based TCS processing and earth organisms absorption, including Invertebrates and slug, essential to crop production and diet208. TCS increased MCF-7 bosom cancer reproduction via modulating cell division, death, and tumour-linked genetic codes through nongenomic ER signalling linked to IGF-1R signalling.

On the other hand, Kaempferol showed an anti-proliferative effect against bosom cancer by inhibiting TCS and E2-induced cancer growth by serving as a competitor for ER and IGF-1R signaling. It's the first research to demonstrate that kaempferol has anticancer action against the pro-cancer action of endogenous oestrogen and xenoestrogen in bosom cancer. It also recommends kaempferol as a major drug to modify TCS-induced malignancy hazard30. Future research should concentrate on recognizing TCS-controlled signaling molecules and their responsibility for poisonous or preventive effects of different cell types. The information obtained from such revelations will be invaluable in validating therapeutic strategies or developing potential TCS adjuvants or blockers209. In ongoing studies, animal and human growth investigations and mammalian experiments with susceptible endocrine/reproductive outcomes should be included. Systematic evaluations of these areas, particularly through deriving human health risk inferences from TCS consequences, can enable upcoming studies and regulations to safeguard people's health more efficiently210.

TCS is a synthesized antimicrobic that has been used in humans for a long time. Humans are subjected to TCS as a result of environmental and consumer good consumption. TCS exposure can cause various problems, including thyroid dysfunction, liver tumorigenesis, endocrine disruption, growth issues, muscle weakness, and oxidative stress. It is also necessary to estimate the TCS level required for tolerance choice in environmental groups. Precocious puberty and carcinogenicity could be produced by receptor overstimulation, presumably caused by the high TCS level. TCS has been linked to allergic reactions in people, according to certain research. TCS is a type 1 FAS enoyl-reductase inhibitor that has been proven to be effective in cultured cells against the MCF-7 and SK Br-3 bosom cancer cell lines. Because of its long history of human usage and ubiquitous prevalence in consumer items, as well as promising in vivo results, TCS is a viable alternative for chemotherapy.

According to extensive studies, the kaempferol anticancer effect has also been linked to the cell cycle, cell death and angiogenic, inflammatory reactions, and the formation of oxygen radicals. By adhering directly to PI3K and limiting the capacities of protein kinase b (NF-β) and AP-1, kaempferol suppressed the PI3K/Akt signal transduction, which affects a range of cellular activities such as growth, angiogenesis, and death. TCS's environmental survivability in sediments demonstrates that antimicrobial compounds can spread and endure breakdown mechanisms in anaerobic conditions. In addition, hydrogen peroxide speeds up the oxidation process. This system contains enzymatic and nonenzymatic antioxidants such CAT, SOD, GPx, GR, GSH, and GST. As a result, ecologists may examine the amount of oxidative stress caused in organisms exposed to specific substances by measuring antioxidant levels. The current study's lower GSH/GSSG levels might be explained because GSH could not be restored to its standard concentration in the liver after introducing TCS concentrations due to impaired GPx and GR actions.

2,4-DCP: 2,4-dichlorophenol; 2,8-DCDD: 2,8-dichlorodibenzo-p-dioxin; A. difformis: Anchomanes difformis; A. tumefaciens: Agrobacterium tumefaciens; APND: aminopyrine N-demethylase; AR: androgen receptor; B. subtilis: Bacillus subtilis; β-hCG: β-human chorionic gonadotropin; CAT: Catalase; COX-1: cyclooxygenase-1; CTD: chlorinated TCS derivative; D. magna: Daphnia magna; E. coli: Escherichia coli; Enoyl-ACP: acyl carrier protein; EE: ethinylestradiol; EMT: epithelial-to-mesenchymal transition; ER: estrogen-receptor; ERK: extracellular signal-regulated kinase; EROD: ethoxyresorufin-O-deethylase; ERND: erythromycin N-demethylase; FAS: enoyl-fatty acid synthesis; FSH: follicle-stimulating hormone; GAPDH: glyceraldehyde 3-phosphate dehydrogenase; GPx: Glutathione peroxidase; GR: Glutathione reductase; GSH: Glutathione; GSSG: Glutathione disulfide; GST: glutathione S-transferase; HBSS: hank's balanced salt solution; HRT: hormone replacement therapy; HS: hidradenitis suppurativa; hsp-70: heat shock protein 70; IL-1β: Interleukin-1β; JNK: Jun N-terminal kinases; LFC: log2 fold change; LH: luteinizing hormone; LPO: Lipid peroxidation; LPS: lipopolysaccharides; M. smegmatis: Mycobacterium smegmatis; M. tuberculosis: Mycobacterium tuberculosis; MAPK: mitogen-activated protein kinase; MCF-7: Michigan Cancer Foundation-7; MDA: Malondialdehyde; MHC-II: Major histocompatibility complex class II; miRNA: MicroRNA; MN: micronucleus; MMP-13: matrix metalloproteinase-13; NA: nuclear abnormalities; Nik: NF-B inducing kinase; NMR: nuclear magnetic resonance; P. aeruginosa: Pseudomonas aeruginosa; P. falciparum: Plasmodium falciparum; PGES-1: Prostaglandin E synthase-1; PGE2: prostaglandin E2; PGI2: prostaglandin I2; PI3K: phosphoinositide 3-kinase; pIRS-1: phosphorylated insulin receptor substrate-1; PKB: protein kinase B; PLA2: phospholipase A2; PTH: parathyroid hormone; R. rubrum: Rhodospirillum rubrum; ROS: Reactive oxygen species; RyR1: ryanodine receptor type 1; S. aureus: Staphylococcus aureus; S. pneumoniae: Staphylococcus pneumoniae; S. typhimurium: Salmonella typhimurium; SAM: S-adenosylmethionine; SOD: Superoxide dismutase; T. gondii: Toxoplasma gondii; T. thermopohila: Tetrahymena thermophila; TAC: Total antioxidant capacity; TCS: Triclosan; TK: thymidine kinase; TLR-4: Toll-like receptor-4; TMP: trimethoprim; TPO: thyroid peroxidase; TRPA1: Transient Receptor Potential Ankyrin 1; TSN: Testosterone; UTI: urinary tract infection; VEGF: vascular endothelial growth factor.

The authors concede the support of the Cholistan University of Veterinary & Animal Sciences-Bahawalpur, Pakistan, during the write-up.

Kamal Niaz: Conceptualization, outlines and editing; Furqan Shafqat, Shafeeq Ur Rehman, and Muhammad Usman: Data curation, writing- original draft preparation and drawing figures; Kamal Niaz: Supervision, reviewing and editing. All authors read and approved the final manuscript.

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The authors declare that they have no competing interests.