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Файл:Ординатура / Хирургия / Библиотека им академика М.И. Перельмана / Книга_5847_Библиотеки_им_академика_М_И_Перельмана
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Fig. 6.2 Biosynthesis of withnolides via mevalonate pathway
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6.20 Therapeutic Potential ofWS inClinical Field
WS has been used as power therapeutic source in past and modern studies and research
also proved its strong potential to develop cure against various diseases (Fig.6.3).
6.20.1 Attention Decit Hyperactivity Disorder (ADHD)
A combined herbal supplement containing Ashwagandha, according to some clinical studies, can enhance attention and impulsive control in kids with ADHD.The
effects of Ashwagandha alone are unknown. ADHD is a diverse brain condition
characterized by distractibility or inattention, which may or may not be accompanied by hyperactivity. It is more frequent in younger age and and may persist into
maturity, with males being more affected than females
6.20.2 Cerebellar Ataxia
According to preliminary studies, Ashwagandha may enhance balance in people
with cerebellar ataxia when used combined with Ayurvedic treatment, another form
of medicine.
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S. Javed etal.
Fig. 6.3 Therapeutic potential of Withania somnifera (WS)
6.20.3 Infertility inMale
According to some clinicaltrials, WS enhances the quality of sperm but it does not
affect the count of sperm in infertile males. It is unknown if consuming WS can
enhance fertility.
6.20.4 Arthritis
The analgesic Ashwagandha calms the neurological system’s pain response, helpin
reducing pain in bones [19]. Ashwagandha may help reduce the symptoms of arthritis when combined with other substances in a supplement called Articulin-F. The
effectiveness of Ashwagandha alone in osteoarthritis is unknown.
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6.20.5 Ulceration
Using Ashwagandha for a prolonged period, reduced the tendency for uterine bleeding and caused the broids to decrease in patients with uterine broid tumors [16].
6.20.6 Antioxidant Effect
Due to their abundance in lipids and iron, two substances known to play signicant
roles in the generation of reactive oxygen species nervous system and brain are
considerably vulnerable to damage of free radicals than the other tissues.
Neurodegenerative illnesses and the process of normal aging such as Parkinson’s,
Alzheimer’s, Schizophrenia, epilepsy, and other conditions, may be accompanied
by free radical damage to neural tissue. In a study catalase (CAT). superoxide dismutase (SOD) and glutathione peroxidase (GPX) and levels in the rat brain frontal
striatum and cortex were used to investigate the activity of antioxidant components
of WS, withaferin-A also called glycowithanolides and sitoindosides VII-X.These
enzymes’ decreased activity causes harmful oxidative free radicals to build up and
cause degenerative consequences. Increase in protective impact on neural tissue and
antioxidant activity would be represented by an increase in these enzymes. Once
daily for 21days, active glycowithanolides of WS were administered; increases in
all enzymes related to dose were noticed; the rises were equivalent to those reported
with the dosage of a well-known antioxidant, deprenyl. This clearly depicts the
impact of WS on brain due to its effective antioxidant properties [20].
6.20.7 Antineoplastic
In research employing mice administered WS during and prior to the cancer causing
agents 7,12-dimethylbenz anthracene. And the chemo-preventive effect of WS root
extract was shown. When compared to the control group, there was reduction in the
incidence and average rate of lesions on skin. In addition, when the extract was
administered, the levels of reduced glutathione, GPX, SOD, and CAT in the exposed
tissue almost reached regular levels. It is believed that the extract’s antioxidant and
free radical-scavenging properties contribute to the chemopreventive effect
Withanolides from WS reduced the proliferation of colon, central nervous system
and lung cell lines similarly to doxorubicin, according to invitro research. Withaferin
Doxorubicin was less effective at preventing the development of colon and breast
cancer cell lines. These ndings point to the possibility of the creation of novel
chemotherapeutic drugs and imply that WS extracts can also reduce or prevent the
tumor growth in cancer patients [21]. In a different research, adult male albino mice
with urethane-induced lung adenomas were given WS to see if it had any anticancer
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effects. The incidence of tumors was dramatically decreased when WS, given orally
200mg/kg each day for the time of 7months. And urethane given 125mg/kg every
2weeks for the time period of 7months were administered concurrently. Animals
treated by WS had lungs that shared the same histological characteristics as those
seen in control animals. The negative effects of urethane on body weight, morality.
Leukocyte count and lymphocyte count were similarly overturned by WS therapy
[22]. The Ayurvedic medical system frequently used WS to treat inammation,
tumors, arthritis, hypertension and asthma. Bioactive withanolides have been discovered chemically in this plant’s roots and leaves. Withanolides prevent the growth
of tumor cells, lipid peroxidation, and cyclooxygenase enzymes. Nuclear factor
kappa B (NF-κB) is a protein transcription factor activity controls numerous genes
that control inammation, metastasis, cellular proliferation, and cancer. TNF, interleukin- 1 beta, doxorubicin, and cigarette smoke condensate are just a few of the
inammatory and carcinogenic substances that withanolides inhibited from making
NF-kappaB active. Withanolides prevented both inducible and constitutive
NF-kappaB activation, demonstrating that the suppression was not cell-type specic. The inhibition of IkappaB alpha phosphorylation, IkappaB alpha kinase inhibitory subunit activation, IkappaB alpha degradation, subsequent p65 nuclear
translocation and p65 phosphorylation, caused the suppression. Additionally, TNF
receptor (TNFR) 1, TNFR-associated factor 2, TNF, TNFR linked to the death causing domain, and IkappaB alpha kinase inhibited the expression of NF-kappaBdependent reporter genes. Since withanolide reduced the expression of TNF-induced
NF-kappaB-regulated antiapoptotic (inhibitor of apoptosis protein 1, B-1/A1, and
FADD-like interleukin-1beta-converting enzyme-inhibitory proTNFtein) and metastatic (cyclooxygenase-2 and intercellular adhesion molecule-1) gene products, it
increased the apoptosis caused by TNF and chemotherapy. Overall, withanolides
are thought to decrease NF-kappaB activation and NF-genetic regulation by kappaB, which can account for their capacity to increase apoptosis and prevent invasion
and osteoclastogenesis [23].
S. Javed etal.
6.20.8 Non-toxic Agent
By disrupting the outer membrane of the extracellular matrix of the effected tissues,
venom hyaluronidases aid in rapid dissemination of the poisons. Hyaluronidase
inhibitors (WSG) can be puried from WS Naja naja (Cobra) and Daboia russelii
(viper) venoms’ hyaluronidase activity was decreased by the glycoprotein, as shown
by the zymogram test and differential activity by staining of tissues of skin. By
keeping concentration of 1:1 w/w of venom to WSG, the enzyme’s activity was
entirely inhibited by the WSG.Some studies prove usage of a plant extract as an
antidote for snakebite sufferers externally in rural India [24]. An antitoxin-PLA2
glycoprotein derived from WS was shown to inhibit the PLA2 action of Cobra
venom. The effects of new PLA2 toxin inhibitors on snake biology and the creation
of cutting-edge therapeutic medicines for the treatment of snake venoms [25].
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6.20.9 Effect onLipid Peroxidation or Hypolipidemic Effect
In hypercholesteremic mice, powder of WS root reduced total triglycerides cholesterol, and lipid. Alternatively, there was a major rise in the levels of HMG-CoA
reductase activity, cholesterol, high density lipoprotein in plasma, and in liver the
concentration of bile acid. Animals which are hypercholesteremic when given WS
treatment, a parallel trend was shown in the excretion of bile acid, cholesterol, and
neutral sterol. In addition, WS-treated hypercholesteremic mice showed much less
lipid peroxidation than their control counterparts. But normal participants also saw
a reduction in lipid proles while using WS root powder. In another research, rats
given a high-fat diet to produce hyperlipidemia had their raised blood levels of cholesterol, triglycerides, and lipoprotein levels dramatically lowered after being given
extract aqueous in nature of the fruits of WS coagulans for 7weeks [26]. In hypercholesteremic mice, powder of roots WS reduced total cholesterol level and fats in
liver. In the hypercholesteremic animals with WS treatment, a similar trend was also
noted in the cholesterol, neutral sterol and excretion of bile acid. In addition,
WS-treated hypercholesteremic mice showed much less lipid peroxidation than
their control counterparts. But normal participants also saw a reduction in lipid
proles while using WS root powder. In another research, rats given a high-fat diet
to produce hyperlipidemia had their raised blood levels of cholesterol, triglycerides,
and lipoprotein levels dramatically lowered after being given fruits of Withania fruit
extract coagulans for 7weeks [27]. In a different study, human volunteers were used
to evaluating the hypoglycemic, diuretic, and hypocholesterolemic effects of WS
roots. The powdered roots of WS were administered to six mild NIDDM participants and six mild hypercholesterolemic subjects for 30 days. The individuals’
blood and urine samples, as well as their eating habits both before and after the
therapy period, were examined for the right criteria. Blood glucose reduction was
equivalent to that of oral hypoglycemic medication. Signicant increases in urine
sodium and volume as well as signicant decreases in serum triglycerides, LDL
(low-density lipoproteins), VLDL (very low-density lipoproteins) and cholesterol
were found, suggesting that WS root may be a source of, and hypocholesterolemic,
hypoglycemic and diuretic agents [28].
6.20.10 Antibacterial Effect
Agar Well Diffusion Method invitro, it was shown that the plant’s alcoholic and
aqueous extracts of leaves and roots have effective activity against many bacteria.
The butanolic sub-fraction of the extracts using methanol, which was subsequently
sub-fractionated using different solvents, had highest inhibitory efcacy against a
variety of bacteria, including Salmonella typhimurium. Furthermore, these extracts
did not cause lysis when incubated with human erythrocytes, in contrast to the synthetic antibiotic chloramphenicol, demonstrating their safety to live cells. Mice with
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nfection caused by Salmonella in Balb/C was efciently eradicated by oral management of the aqueous extracts, as shown by the animals’ improved survival rate and
decreased bacterial load in numerous important organs [29]. In a different research,
the antibacterial/synergistic activity of diethyl ether, methanol and hexane extracts
from the roots and leaves of WS was assessed using disc-diffusion assay on agar
plate against S.typhimurium and E.coli. The minimum inhibitory concentration was
evaluated at various doses of the drug combination Tibrim, which contains the antibiotics rifampicin and isoniazid for E.coli and for S. typhimurium determined to be
0.1mg/ml. Only the hexane and methanolic extracts of the roots and leaves showed
signicant antibacterial activity out of the six extracts examined. When these
extracts were added to the MIC of Tibrim, the antibacterial action of Tibrim was
seen to enhance synergistically [30].
S. Javed etal.
6.20.11 Adaptogenic Action
WS is frequently used to relieve patients’ tension, serving as a form of antistress
treatment. In a study conducted in our lab, in model of mouse having chronic fatigue
syndrome showed positive effects due to WS.Chronic fatigue syndrome is a condition marked by recurrent bouts of weariness. The mice in this study were made
exhausted by making them swim for 6min every day for 15days. Daily doses of
antioxidants and WS were given to the animals before stress was applied. Every day,
the mean immobility duration was computed and compared to control animals.
When stressed mice were compared to control animals, WS resulted in a considerable increase in mobility time, demonstrating the extract’s anti-stress properties.[31]
6.20.12 Neurodegenerative Role
Acetylcholinesterase and butylcholinesterase are known to be inhibited by withanoloids extracted from the WS in a dose-dependent manner. WS is a strong therapeutic
agent for the cure of Alzheimer’s disease and related issues due to its potential as a
cholinesterase inhibitor and calcium antagonist [32]. Sitoindosides VII-X and
Withaferin-A, which were discovered in methanolic aqueous extracts from the roots
of WS types, are used in Indian medication to decrease forgetfulness and other brain
functioning deciencies in elderly people [33]. The impact of these WS active
ingredients was also examined for potential nootropic effects in an Alzheimer’s disease model that has undergone experimental validation. Lesioning of the nucleus
magnocellularis in rats due to ibotenic acid caused the condition. After 2weeks of
therapy, WS effectively corrected the cognitive loss caused by ibotenic acid as well
as the drop in cholinergic indicators. These results conrmed WS promoters of
learning and memory (Medharasayan) impact [34]. Mice lacking in memory exhibited neuronal shrinkage and brain synaptic reduction, these effects were reversed
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due to withanolide therapy. It may enhance memory function since it signicantly
increased both axonal and dendritic regeneration in the neurons as well as the restoration of pre and postsynapses [35]. In cultured rat cortical neurons, it was discovered that withanoside IV, a component of W. somnifera roots, stimulated neurite
outgrowth. Withanoside IV used orally may improve neuronal dysfunction in
Alzheimer’s disease since it contains the aglycone sominone [36]. Similar to this,
withanolide-A (1μM) signicantly promotes axonal and dendritic regeneration as
well as the repairing or reformation of neurological pre and postsynapses, making it
a key contender for the treatment of neurodegenerative illnesses [35].
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6.20.13 Effective onUrethane Induced Lung-Adenoma
In its raw form, Ashwagandha has proven to be quite benecial in experimental
carcinogenesis. ‘It protected mice against lung adenomas brought on by urethane.
Leucopoenia and other urethane side effects were also avoided. Withania avoided
all of the negative consequences that the chemical stressor urethane induces. The
medication can be used in conjunction with radiation or chemotherapy for cancer. It
will lessen the adverse effects of medicines use for treatment of cancer, which cause
many biological problems and also lower immunity. In addition of having anticancer impact, it functions in situations where reduced immune statuses of the patient
are a concern, it functions as an immunomodulator and can thereby lengthen the life
duration of cancer patients [19].
6.20.14 To Relief anxiety andDepression
According to the denition, anxiety is an emotion marked by feelings of tension,
worry-lled thoughts, and also physical changes. Many individuals overeat in anxiety. Overeating appetizing foods high in calories leads to chronic positive energy
balance, when energy intake exceeds energy expenditure, resulting in body fat storage, weight increase, and obesity [37]. Studies on WS leaf powder extract reveal
that it contains anti-inammatory, antianxiety and anti-apoptotic qualities that may
be advised to prevent/slow the negative consequences of obesity and its related disorder. Alcoholic extract of WS seed and root was administered to mice (100mg/kg
intra peritoneal as a single dose) and assessed swimming performance. The swimming endurance of Ashwagandha-treated mice was found to be twice that of normal
control mice. It appears that Ashwagandha generated a stage of nonspecic enhanced
resistance during stress.WS has a considerable anti-stress adaptogenic effect. They
looked at how WS affected chronic stress in rodents. In rats, a 21-day electric foot
shock caused male sexual dysfunction, hyperglycemia, glucose intolerance, cognitive impairments, stomach ulcerations, mental distress and immunosuppression.
One hour before the shock, an extract of Ashwagandha dramatically lowered stress
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levels. Ashwagandha reduced neuron activity and prevented nerve cells from ring
excessively. Ashwagandha generates GABA-like action, which may imply that it
has anti-anxiety properties [38].
Depression is a diverse condition characterized by mood swings and thoughts,
misbehaviour, disappointments, melancholy, hopelessness, and a lack of physical
activity and self-worth. Moreover, depression is associated with changes in diet,
sleep patterns, and other everyday activities, as well as anxiety symptoms [39].
Experimental investigations have shown that Ashwagandha can help with depression. The researchers extracted the bioactive component glycowithanolides from
Ashwagandha roots and studied its potential as an antidepressant at doses of 20 and
50 mg/kg in an animal investigation. Glycowithanolides were shown to have an
antidepressant effect equivalent to imipramine in forced swim tests-induced behavioural despair and learned helplessness. As a result, the use of Ashwagandha as a
mood stabiliser is supported [40]. At a dosage of 40mg/kg, Ayurveda formulations
including Ashwagandha, a fat extract of WS, and signicantly reduced immobility
time in the forced swim test generated behavioural despair, tail suspension test, and
reserpine antagonism in the anti-reserpine test [41].
S. Javed etal.
6.20.15 Decrease Chances ofAmyotrophic Lateral
Sclerosis (ALS)
Amyotrophic lateral sclerosis, commonly known as frontotemporal lobar degeneration, is a neurodegenerative condition that affects neurons involved in motor activity
and voluntary muscles. It is characterized by changes in upper and lower motor
neurons in the cerebral cortex, as well as in the medulla and anterior horn of the
spinal cord. Failure of higher motor neurons causes muscular rigidity and spasticity,
whereas failure of lower motor neurons causes muscle twitching, which leads to
degeneration and loss of connection in the synapse, culminating in atrophy [42]. It
is discovered to cause localised weakness, which progresses to muscle degeneration, including respiratory muscles. Ashwagandha was reported to decrease disease
development, enhance motor function, and increase the number of motor neurons in
the lumbar spinal cord in SOD1G93A mice through inducing autophagy activity [43].
6.20.16 Alzheimer’s Disease Treatment
Alzheimer’s disease is a neurodegenerative illness characterized mostly by gradual
memory loss and permanent impairment in cognitive functions. Many invitro and
invivo investigations have shown that Ashwagandha and its phytoconstituents can
help with Alzheimer’s disease. Recently, a study was undertaken to analyze the antiingredient Alzheimer’s found in Ashwagandha root extract and revealed that
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Withanone has substantial effectiveness, specically by inhibiting amyloid-42.
Withanone was also discovered to increase the activity of acetyl choline, glutathione, and the secretase enzyme to enhance the elevation of pro-inammatory cytokines levels [44]. Docking modelling studies predicted that withanolide-A inhibited
human acetyl cholinesterase with a high binding afnity [45]. Semi-puried root
extract of Ashwagandha containing withanolides to reverse Alzheimer’s disease by
producing neuroprotective effects against H2O2- and – Amyloid cytotoxicity in
APP/PS1 transgenic mice and APPSwlnd mice (line J20) of Alzheimer’s disease by
up-regulation of lipoprotein receptor-related protein in liver [46].
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6.20.17 Effectiveness onParkinson’s Disease
Parkinson’s disease is an age-related neurodegenerative condition dened predominantly by dopaminergic substantia nigra neurodegeneration. It can be due to hereditary and environmental factors. It is linked to oxidative stress, mitochondrial
dysfunction, and protein aggregation abnormalities. Several research have been
conducted to investigate the efcacy of ashwagandha in the treatment of Parkinson’s
disease. The ethanolic root extract of Ashwagandha has been shown to treat
Parkinson-like symptoms in MPTP-induced Parkinson in Balb/c mice [47]. Through
suppressing oxidative stress and mitochondrial dysfunctions, ashwagandha conferred reduced cholinergic function and dopamine depletion in a rotenone model of
Drosophila melanogaster [48].
When mice were given 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine, their catecholamine, antioxidant, and lipid peroxidation marker levels changed. Dopamine,
3,4-dihydroxy-phenylacetic acid, homovanillic acid, antioxidants (glutathione and
glutathione peroxidase), and thiobarbituric acid reactive substance levels in the striatum are normalized with 100 mg/kg Ashwagandha treatment, and motor skills
improve [49].
6.20.18 Reduce Symptoms ofSchizophrenia
Schizophrenia is a chronic mental condition characterized by disruptions in thinking, perception, behaviour, and other cognitive features. It also has an impact on
language and induces hallucinations, delusions, and other psychotic symptoms [50].
A number of preclinical and clinical investigations found that Ashwagandha can be
used to treat schizophrenia. Neuroleptics are commonly utilised in schizophrenia
treatment. In haloperidol-induced orofacial dyskinesia, Ashwagandha root extract
at doses ranging from 100 to 300mg/kg improves vacuous chewing movements and
tongue protrusions superiorly by lowering lipid peroxidation and increasing forebrain SOD and catalase levels while having no effect on glutathione levels. As a
result, Ashwagandha may be effective in reducing extrapyramidal neurolepticinduced symptoms [51].
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S. Javed etal.
6.20.19 Effect onAutism
Autism is a brain inammation illness characterized by difculties with learning
and social interaction. It is characterized by oxidative stress, activation of astrocytes
and microglia, changes in pro-inammatory cytokines, 8-oxo-guanosine, and neuronal depression. It also involves high food intolerance, anxiety, increased antibrain protein autoantibodies, decreased levels of reduced glutathione, sulfation, and
methylation [52]. A recent study found that Ashwagandha in sodium valproate
might produce autism in rodents by improving altered behavioural and oxidative
stress. In histo-architecture investigations of the cerebellum, restoration of the number of purkinje bres, neuronal degeneration, and chromatolysis shows its ameliorative impact in autism [53].
6.20.20 Effectiveness inDrug Addiction Addiction
Addiction is described as a complicated, chronic brain illness characterized by
physical and psychological reliance on a chemical, substance, or activity. It is distinguished by changes in behavior, thinking, physical functioning, learning, memory, and decision making [54]. It mostly refers to the use of alcohol, cocaine,
nicotine, marijuana, opioids, caffeine, inhalants, or gambling. In molecular research,
transduction and transcription factors have been linked to the development and
maintenance of addiction [55]. According to a recent study, Ashwagandha inhibits
neuron circulation and dopamine transmission specically in the ventral tegmental
region of dopaminergic neurons and the nucleus accumbens shell, preventing
behavioral and biochemical changes caused by electrochemical and neurochemical
modications induced by morphine and ethanol [56]. Another study looked into the
effectiveness of Ashwagandha extract in reducing nicotine addiction. It was determined that Ashwagandha reduces nicotine-induced location preference in mice,
showing anti-addictive potential due to nicotine cholinergic receptor regulation [57].
6.21 Conclusion
Ashwagandha has been used since ancient times to cure various diseases and modern studies fully support its strong therapeutic potential. It has antitumor, immunomodulatory, anti-inammatory, antioxidant, antistress, hemopoietic, and
rejuvenating properties and positively inuences the endocrine, cardiopulmonary,
and central nervous systems. Its roots and leaves are rich with components that have
high medicinal properties. Studies reveal it is a safe compound, and it has no associated toxicity.
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