Monday, June 25, 2018

Honey Has a Significant Diuretic Activity Alone or in Combination with Propolis


Antioxidant and diuretic activity of co-administration of Capparis spinosa honey and propolis in comparison to furosemide

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Objective

To study the antioxidant properties of Capparis spinosa (C. spinosa) honey and propolis and the effect of combined honey and propolis administration on urine volume and electrolytes in rats.

Methods

C. spinosa honey [1 000 mg/kg body weight (b.wt)], propolis (100 mg/kg b.wt), honey/propolis mixture (C. spinosa honey 1 000 mg/kg b.wt/ propolis extract 100 mg/kg b.wt ), distilled water (1 mL/kg b.wt) and furosemide (10 mg/kg b.wt) were orally administered to five groups of rats for 21 d. Urine volume, blood and urine sodium, potassium and chloride were measured. The antioxidant activity of propolis and honey was assessed and their total phenols and flavonoids were determined.

Results

Propolis and C. spinosa honey contain polyphenols including flavonoids and propolis demonstrated higher antioxidant activities than honey. Honey significantly increased urine volume and urine electrolyte excretion. Propolis had no significant effect on urine volume, but co-administration of propolis and honey caused significant diuresis. No major changes were observed in plasma electrolytes with the use of honey, propolis or their combination.

Conclusions

Honey and propolis have antioxidant activity and contain polyphenols including flavonoids that are more pronounced in propolis. Honey has a significant diuretic activity alone or in combination with propolis. This is the first study comparing the diuretic effect of co-administration of propolis and C. spinosa honey with furosemide.

Sunday, June 24, 2018

Diluted Bee Venom Acupuncture a Promising Alternative Therapy for Respiratory Inflammatory Diseases Such as Pleurisy

Bee venom stimulation into lung meridian acupoint reduces inflammation in a mouse model of carrageenan-induced pleurisy: an alternative therapeutic approach for the respiratory inflammatory disease

J Vet Sci. 2018 Jun 21. [Epub ahead of print]

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Respiratory inflammation is frequent and fatal pathologic state encountered in veterinary medicine. Although diluted bee venom (dBV) has potent anti-inflammatory effects, the clinical use of dBV is limited to several chronic inflammatory diseases.

The present study was designed to propose the acupoint treatment of dBV as a novel therapeutic strategy for respiratory inflammatory disease. Experimental pleurisy was induced by injection of carrageenan into left pleural space in mouse. dBV was injected into a specific lung meridian acupoint (LU-5) or into arbitrary non-acupoint located near the midline of the back in mouse.

The inflammatory responses were evaluated by analysis the inflammatory indicators in pleural exudate. dBV injection into LU-5 acupoint significantly suppressed the increase of pleural exudate volume, leukocyte accumulation, MPO activity. Moreover, dBV acupoint treatment effectively inhibited the production of IL-1β, but not TNF-α in pleural exudate. On the other hand, dBV treatment on non-acupoint did not inhibit the inflammatory responses in carrageenan-induced pleurisy.

The present results demonstrate that dBV stimulation into the LU-5 lung meridian acupoint produces significant anti-inflammatory effects on carrageenan-induced pleurisy suggesting that dBV acupuncture as a promising alternative medicine therapy for respiratory inflammatory diseases.

Saturday, June 23, 2018

New Technique for Improving Nutrient Release in Bee Pollen

Improving Nutrient Release of Wall-disruption Bee Pollen with a Combination of Ultrasonication and High Shear Technique

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J Sci Food Agric. 2018 Jun 22

BACKGROUND:

Bee pollen, collected by honey bees, contains a substantial amount of nutrients and has a high nutritive value. However, a high level of nutrients can be difficult to be digested and absorbed due to the complex wall of bee pollen.

RESULTS:

We observed that amino acids were mostly distributed inside cell wall of lotus bee pollen, rape bee pollen, apricot bee pollen, wuweizi bee pollen and camellia bee pollen, using time-of-flight secondary ion mass spectrometry (TOF-SIMS). Thus, five species of bee pollen were wall-disrupted with a combination of ultrasonication and high shear technique (US-HS). After the treatment, bee pollen walls were entirely broken into fragments, and a high number of nutrients were released. The contents of amino acids, fatty acids, protein, crude fat, reducing sugar, β-carotene, calcium, iron, zinc, selenium obviously increased after wall-disruption.

CONCLUSION:

Overall, our study demonstrates that US-HS can disrupt bee pollen wall to release nutrients. Therefore, further studies are being conducted to compare the digestibility and absorptivity of pollen nutrients before and after wall-disruption. Additionally, TOF-SIMS seems to be a reliable mapping technique for determining the distribution of food ingredients.

Friday, June 22, 2018

Polish Propolis Shows Antifungal Activity


Antifungal Activity and Synergism with Azoles of Polish Propolis

Pathogens. 2018 Jun 19;7(2). pii: E56

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The aim of our work was to check if one of the products of natural origin, namely honey bee propolis, may be an alternative or supplement to currently used antifungal agents.

The activity of 50 ethanolic extracts of propolis (EEPs), harvested in Polish apiaries, was tested on a group of 69 clinical isolates of C. albicans. Most of the EEPs showed satisfactory activity, with minimum fungicidal concentrations (MFC) mainly in the range of 0.08⁻1.25% (v/v). Eradication of biofilm from polystyrene microtitration plates in 50% (MBEC50, Minimum Biofilm Eradication Concentration) required concentrations in the range of 0.04% (v/v) to more than 1.25% (v/v).

High activity was also observed in eradication of biofilm formed by C. glabrata and C. krusei on the surfaces of PVC (Polyvinyl Chloride) and silicone catheters. EEPs at subinhibitory concentrations inhibited yeast-to-mycelia morphological transformation of C. albicans in liquid medium and mycelial growth on solid medium. A synergistic effect was observed for the action of EEP in combination with fluconazole (FLU) and voriconazole (VOR) against C. albicans.

In the presence of EEP at concentrations as low as 0.02%, the MICs of FLU and VOR were 256 to 32 times lower in comparison to those of the drug alone. Evidence for the fungal cell membrane as the most probable target of EEPs are presented.

Wednesday, June 20, 2018

Honey Reduces Injuries in Children Who Swallow Button Batteries

Eating honey can reduce serious injuries in children who swallowed button battery, shows study

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June 11, 2018

A team of ear, nose, and throat (ENT) specialists has demonstrated that eating honey after swallowing a button battery has the potential to reduce serious injuries in small children. Based on findings in laboratory animals, the research suggests that this common household product may significantly reduce morbidity and mortality from highly caustic batteries.

"Button batteries are ingested by children more 2,500 times a year in the United States, with more than a 12-fold increase in fatal outcomes in the last decade compared to the prior decade," said Co-Principal Investigator, Ian N. Jacobs, MD, Director of the Center for Pediatric Airway Disorders and a pediatric otolaryngologist at Children's Hospital of Philadelphia (CHOP). "Since serious damage can occur within two hours of ingesting a battery, the interval between ingestion and removal is a critical time to act in order to reduce esophageal injury."...

Tuesday, June 19, 2018

Honey Improves Lipid Profile Such as; Total Cholesterol, TG and LDL and Increases HDL, But Consumption of Sugar Increases Total Cholesterol, TG and LDL and Decreases HDL

The effect of honey consumption compared with sucrose on lipid profile in young healthy subjects (randomized clinical trial)

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Clin Nutr ESPEN. 2018 Aug;26:8-12

BACKGROUND AND AIMS:

Several studies have demonstrated that honey consumption has beneficial effects on cardiovascular disease indicators. The current study aimed to investigate the effect of honey consumption compared with sucrose on lipid profile among young healthy subjects.

METHODS:

Sixty healthy subjects, aged 18-30 years, were randomly recruited into this double blind randomized trial and assigned into two groups: honey (received 70 g honey per day) and sucrose (received 70 g sucrose per day) groups. Total cholesterol, TG, LDL and HDL were measured in the control and intervention groups at the beginning and end of study.

RESULTS:

In this trial, the baseline FBS, SBP and DBP were not different between honey and sucrose groups (P > 0.3). We found evidence indicating consumption of honey can decrease total cholesterol, TG and LDL and increase HDL in healthy young subjects, but intake of sucrose increase total cholesterol, TG and LDL and decreased HDL. In all of these analyses, confounding variable including age, physical activity and some nutrient intake were adjusted.

CONCLUSIONS:

Honey consumption can improve the lipid profile such as; total cholesterol, TG and LDL and increase HDL, but consumption of sucrose increases total cholesterol, TG and LDL and decreases HDL. Further clinical trial studies are required to confirm our findings.

Monday, June 18, 2018

Brazilian Propolis Boosts Wound Healing

Evaluation and Comparison of Wound Healing Properties of an Ointment (AlpaWash) Containing Brazilian Micronized Propolis and Peucedanum ostruthium Leaf Extract in Skin Ulcer in Rats

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Int J Pharm Compd. 2018 Mar-Apr;22(2):154-163

Several previous studies have demonstrated improved wound healing associated with natural-based formulations. Therefore, the purpose of this study was to assess the efficacy of a topical formulation containing both a Brazilian micronized propolis extract and a Peucedanum ostruthium leaf extract for the treatment of wounds created by surgical punch in rats.

The study was conducted for 14 days and animals were treated as follows: gauze group (G), polyethylene glycol base ointment (Control), AlpaWash (an ointment containing a Brazilian micronized propolis extract and Peucedanum ostruthium leaf extract [Treatment]), and polysporin (one of the most commonly used topical antibiotic ointments, based on bacitracin zinc and polymyxin B sulfate [Reference Standard]).

In general, the results demonstrated that ointments, due to occlusiveness and the ability to maintain moisture under the damaged area, offered improvements when compared to lesions without any treatment. Additionally, the presence of phenolic and flavonoid compounds, as well as antioxidants and antimicrobials, offered improved stimulation and could accelerate wound healing. The Control, Treatment, and Reference Standard groups were able to close the lesion, as measured by the wound healing rate determination and follow-up photographs. However, AlpaWash and Polysporin presented some additional benefits- anti-inflammatory activity, measured using myeloperoxidase and histological count, as well as fibroplasia and hydroxyproline production, suggesting that skin with a better quality could be formed following these two treatments.

Therefore, based on the current concern of antibiotic overuse in wound healing, the emergence of multi-resistant organisms and the decrease in newer antibiotics, AlpaWash is considered a prominent formulation to be employed in wound-healing applications.

Sunday, June 17, 2018

Propolis Promotes Bone Healing


Propolis extract a new reinforcement material in improving bone healing: an in vivo study

Int J Surg. 2018 Jun 11. pii: S1743-9191(18)31498-5

BACKGROUND:

Propolis is known for its antioxidant, immune response modulating, and wound healing effects. In the present study in order to determine the bone healing capacity of the propolis extract, a critical sized, nonunion, radial bone defect model was repaired in rat, using chitosan and demineralized bone matrix (DBM) scaffolds along with propolis extract.

MATERIALS AND METHODS:

Seventy-two radial bone defects in 36 healthy male rats were randomly divided into 6 groups (n= 12/group). The groups included autograft, defect or untreated group, chitosan, DBM, chitosan and propolis (chitosan-propolis), and DBM and propolis (DBM-propolis). The bone repairing capability was characterized using radiography at 28th, 42nd and 56th postoperative days. Gross morphologic, histopathologic, histomorphometric and biomechanical examinations were performed following euthanasia at the 56th post-operative day.

RESULTS:

The DBM-propolis group, showed better structural and biomechanical properties compared to the untreated, DBM, chitosan and chitosan-propolis groups. The defect site in the chitosan and untreated groups were mainly restored by fibrous connective tissue while the lesions in the autograft group were mostly filled by cartilage and a lesser amount of woven bone. The woven bone, and the hyaline cartilage were the main constituents of the newly formed tissues in the DBM-propolis group, at the 56th day after injury.

CONCLUSION:

The results of this study showed that percutaneous injection of diluted aqueous propolis extract in the bone defect (25 mg/defect) can improve bone formation in the critical radial bone defect in rat. Since there was no significant difference between the autograft and DBM-propolis group, probably this therapeutic strategy has high potential in augmentation of autologous bone grafting.

Saturday, June 16, 2018

Honey Bee Larvae Powder May Help Prevent, Treat Cancer


Anti-tumor and anti-metastasis activities of honey bee larvae powder by suppressing the expression of EZH2

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Biomed Pharmacother. 2018 Jun 12;105:690-696

Honey bee larvae products have been widely used as traditional daily supplements and complementary medicine for health promotion. However, there is little scientific evidence about their bioactivities.

This study was designed to examine the anti-tumor and anti-metastasis effects of honey bee larvae powder (HLP) and explore the underlying mechanism.

A subcutaneous transplantation model (murine breast cancer cell 4T1-LUC) and lung metastasis model (murine melanoma cell B16-F10) were established to evaluate the anti-tumor and anti-metastasis effects of HLP. Honey bee larvae powder extract (HLE) was obtained by 70% ethanol extraction, and its chemical composition was determined according to physiochemical methods. Cell Counting Kit-8 assay was performed to test the cytotoxicity of HLE, and qRT-PCR assays were conducted to examine the mRNA levels of tumor marker EZH2 in HLE-treated tumor cells. \

In vivo xenograft tumor assays in BALB/c mice revealed dose-dependent suppression of tumor growth and lung metastasis showing an inhibition rate of 37.5% and 70.4% at 6 g/kg HLP-administered group with no toxicity to the animals. In vitro studies indicated that HLE showed no cytotoxicity to cancer cells at doses up to 1000 μg/mL, however, it significantly decreased EZH2 mRNA levels in HLE (1000 μg/mL)-treated B10-F10 cells (28.49%) and 4T1-LUC cells (26.75%).

Further studies to elucidate the mechanisms involved and to isolate the active components of honey bee larva may provide more valuable information for its development and application in cancer treatment.

Friday, June 15, 2018

Antibacterial Activity of Honeydew Honey Equivalent to Medical-Grade Manuka and Kanuka Honey

Phytochemicals-mediated production of hydrogen peroxide is crucial for high antibacterial activity of honeydew honey

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Sci Rep. 2018 Jun 13;8(1):9061

Honeydew honey is increasingly valued due to its pronounced antibacterial potential; however, the underlying mechanism and compounds responsible for the strong antibacterial activity of honeydew honey are still unknown. The aim of this study was to investigate the inhibition of bacterial growth of 23 honeydew honey samples. Activity of bee-derived glucose oxidase (GOX) enzyme, the content of defensin-1 (Def-1) and hydrogen peroxide (H2O2), and total polyphenol content were determined in the 23 honey samples.

Our results demonstrated that antibacterial activity of honeydew honey was equivalent to medical-grade manuka and kanuka honey and was abolished by catalase. Although H2O2 is an important factor in the inhibition of bacterial growth, polyphenolic compounds and their interaction with H2O2 are the key factors responsible for high antibacterial activity of honeydew honey. In addition, our results indicated that the antibacterial activity of honeydew honey is not dependent on GOX-mediated production of H2O2 or the presence of Def-1.

Thursday, June 14, 2018

Honey Debrides Wounds, Kills Bacteria, Penetrates Biofilm, Lowers Wound pH, Reduces Chronic Inflammation, and Promotes Fibroblast Infiltration


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Honey-Based Templates in Wound Healing and Tissue Engineering

Bioengineering 2018, 5(2), 46

Over the past few decades, there has been a resurgence in the clinical use of honey as a topical wound treatment. A plethora of in vitro and in vivo evidence supports this resurgence, demonstrating that honey debrides wounds, kills bacteria, penetrates biofilm, lowers wound pH, reduces chronic inflammation, and promotes fibroblast infiltration, among other beneficial qualities.

Given these results, it is clear that honey has a potential role in the field of tissue engineering and regeneration. Researchers have incorporated honey into tissue engineering templates, including electrospun meshes, cryogels, and hydrogels, with varying degrees of success.

This review details the current state of the field, including challenges which have yet to be overcome, and makes recommendations for the direction of future research in order to develop effective tissue regeneration therapies.


Wednesday, June 13, 2018

Propolis May Help Treat Colitis

Propolis from Different Geographic Origins Suppress Intestinal Inflammation in a Model of DSS-Induced Colitis is Associated with Decreased Bacteroides spp. in the Gut

Mol Nutr Food Res. 2018 Jun 11:e1800080

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SCOPE:

Dietary supplementation with polyphenol-rich propolis can protect against experimentally-induced colitis. We examined whether different polyphenol compositions of Chinese propolis (CP) and Brazilian propolis (BP) influences their ability to protect against dextran sulfate sodium (DSS)-induced colitis in rats.

METHODS AND RESULTS:

HPLC-DAD/Q-TOF-MS analysis confirmed that polyphenol compositions of CP and BP were dissimilar. Rats were given CP or BP by gavage (300 mg/kg body weight) throughout the study, starting 1 week prior to DSS treatment for 1 week followed by 3 d without DSS. CP and BP significantly reduced the colitis disease activity index relative to controls not receiving propolis, prevented significant DSS-induced colonic tissue damage and increased resistance to DSS-induced colonic oxidative stress as shown by reduced malonaldehyde levels and increased T-AOC levels. CP and BP significantly reduced DSS-induced colonic apoptosis. Colonic inflammatory markers IL-1β, IL-6 and MCP-1 were suppressed by CP and BP, whereas only BP induced expression of TGF-β. CP, not BP, increased the diversity and richness of gut microbiota populations. Both forms of propolis significantly reduced populations of Bacteroides spp.

CONCLUSIONS:

Despite the dissimilar polyphenol compositions of CP and BP, their ability to protect against DSS-induced colitis is similar. Nevertheless, some different physiological impacts were observed.

Tuesday, June 12, 2018

Bee Venom Acupuncture 'Safe and Effective Therapy for Rheumatoid Arthritis

Treatment of Rheumatoid Arthritis by Bee-venom Acupuncture. [Article in Chinese]

Zhen Ci Yan Jiu. 2018 Apr 25;43(4):251-4

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OBJECTIVE:

To study the clinical efficacy and safety of bee-venom acupuncture therapy for rheumatoid arthritis (RA).

METHODS:

A total of 120 cases of RA patients were randomized into bee-sting acupuncture group (treatment) and western medicine group (control) in accordance with the random number table. The patients of the control group were treated by oral administration of Methotrexate (10 mg, once a week) and Celecoxlb (0.2 g, once a day), and those of the treatment group treated by 5 to 15 bee stings of Ashi-points or acupoints according to different conditions and corporeity, and with the bee-sting retained for about 5 min every time, once every other day. The treatment lasted for 8 weeks. The therapeutic effect was assessed by examining symptoms and signs of the affected joints as morning stiffness duration, swollen/tender joint counts (indexes), handgrip strength, 15 m-walking time, visual analogue scale (VAS), Disease Activity Score including a 28-joint count (DAS 28), rheumatoid factor (RF), erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), anti-cyclic citrullinated peptide antibody (ACCPA); and for assessing the safety of bee-venom acupuncture, the patients' responses of fever, enlargement of lymph nodes, regional red and swollen, itching, blood and urine tests for routine were examined.

RESULTS:

Findings of DAS 28 responses displayed that of the two 60 cases in the control and bee-venom acupuncture groups, 15 and 18 experienced marked improvement, 33 and 32 were effective, 12 and 10 ineffective, with the effective rates being 80% and 83. 33%, respectively. No significant difference was found between the two groups in the effective rate (P > 0.05). After the treatment, both groups have witnessed a marked decrease in the levels of morning stiffness duration, arthralgia index, swollen joint count index, joint tenderness index, 15 m walking time, VAS, RF, ESR, CRP and ACCPA, and an obvious increase of handgrip strength relevant to their own levels of pre-treatment in each group (P < 0.05). There were no significant differences between the two groups in the abovementioned indexes (P > 0.05). The routine blood test, routine urine test, routine stool test, electrocardiogram result, the function of liver and kidney and other security index were within the normal range, without any significant adverse effects found after bee-stinging treatment.

CONCLUSION:

Bee-venom acupuncture therapy for RA patients is safe and effective, worthy of popularization and application in clinical practice.

Monday, June 11, 2018

Propolis Component Could Help Treat Age-Related Pathologies

Caffeic acid phenethyl ester (CAPE) possesses pro-hypoxia and anti-stress activities: bioinformatics and experimental evidences

Cell Stress Chaperones. 2018 Jun 4

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Honeybee propolis and its bioactive component, caffeic acid phenethyl ester (CAPE), are known for a variety of therapeutic potentials. By recruiting a cell-based reporter assay for screening of hypoxia-modulating natural drugs, we identified CAPE as a pro-hypoxia factor.

In silico studies were used to probe the capacity of CAPE to interact with potential hypoxia-responsive proteins. CAPE could not dock into hypoxia inducing factor (HIF-1), the master regulator of hypoxia response pathway. On the other hand, it was predicted to bind to factor inhibiting HIF (FIH-1). The active site residue (Asp201) of FIH-1α was involved in hydrogen bond formation with CAPE and its analogue, caffeic acid methyl ester (CAME), especially in the presence of Fe and 2-oxoglutaric acid (OGA). We provide experimental evidence that the low doses of CAPE, that did not cause cytotoxicity or anti-migratory effect, activated HIF-1α and inhibited stress-induced protein aggregation, a common cause of age-related pathologies.

Furthermore, by structural homology search, we explored and found candidate compounds that possess stronger FIH-1 binding capacity.

These compounds could be promising candidates for modulating therapeutic potential of CAPE, and its recruitment in treatment of protein aggregation-based disorders.

Sunday, June 10, 2018

Traditional Iranian Medicine with Honey, Queen Anne's Lace Helps Treat Female Sexual Dysfunction

Effects of a food product (based on Daucus carota) and education based on traditional Persian medicine on female sexual dysfunction: a randomized clinical trial

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Electron Physician. 2018 Apr 25;10(4):6577-6587

Background: 

Globally, female sexual dysfunction is a serious concern based on negative family and social consequences, high side effects of medications and lack of effective treatment. Thus, the evaluation of treatment approach for this problem is an important priority for healthcare systems. Sexual life and its related disorders are considered the main aspects of a healthy lifestyle in traditional Persian medicine (TPM).

Objective: 

The present study aimed to determine and compare the effects of food products containing Daucus carota, TPM-based training program, and a combination of these two interventions on the improvement of female sexual dysfunction.

Methods: 

This randomized clinical trial was conducted on 96 women with sexual dysfunction based on the Diagnostic and Statistical Manual of Mental Disorders (DSM-5®), aged 18-35 years who referred to the Gynecology Clinic of Mashhad University of Medical Sciences, Mashhad, Iran, during 2016 and 2017. The patients were randomly divided into three groups (n=32) and received the intervention over an eight-week period. The first group was provided with TPM-based sexual health training, the second group received 30 g of a traditional food product (wild carrot halva: mixed Daucus carota and several herbs with honey) on a daily basis, and the third group received a combination of this traditional food product plus education. Data analysis was performed using Chi square test, repeated measures ANOVA, two-way ANOVA, ANCOVA, post hoc Bonferroni, Friedman and Wilcoxon signed-rank test in SPSS version 11.5.

Results: 

According to the results of this study, there was a significant difference in terms of sexual desire (p = 0.002), lubrication (p = 0.002), orgasm (p = 0.004) and pain (p < 0.001) after eight weeks of the intervention among the three groups.

Conclusion:

The use of two interventions of TPM including a food product containing Daucus carota and this product with TPM-based education improved desire, arousal, lubrication, orgasm, satisfaction and pain in females with sexual dysfunction. Furthermore, TPM-based education alone, led to the improvement of all domains of sexual dysfunction, except for pain in the females with sexual dysfunction.