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Combination of zerumbone and cisplatin to treat cervical intraepithelial neoplasia in female BALB/c mice

Abdul AB, Abdelwahab SI, Bin Jalinas J, Al-Zubairi AS, Taha MM

Int. J. Gynecol. Cancer, 2009 Aug;19(6):1004-10.
PMID: 19820360 DOI: 10.1111/IGC.0b013e3181a83b51

Recent in vitro and in vivo studies have demonstrated that zerumbone (ZER) possesses anticancer properties. The main objective of this study was to examine the effectiveness of the combination of ZER and cisplatin (CIS) to treat cervical intraepithelial neoplasia (CIN) in vivo. Microculture tetrazolium assay and immunohistochemistry of proliferating cellular nuclear antigen were used to study the antitumor effect of ZER. Prenatally exposed female BALB/c mice were used as a model. The progenies with CIN were injected peritoneally with isotonic sodium chloride solution (positive control), CIS, ZER, and a combination of both compounds. All treated and untreated mice were humanely killed, and serum and cervix were obtained for interleukin 6 analysis and histopathologic studies using hematoxylin and eosin staining, respectively. Zerumbone has revealed an antitumor effect on human cervical cancer cells and downregulates immunoexpression of proliferating cellular nuclear antigen (P < 0.05). In vivo study indicates that ZER at 16 mg/kg and CIS at 10 mg/kg have a regressing effect on CIN. The combination of ZER and CIS also showed similar effectiveness in regressing CIN. Our results indicate that the combination of ZER and CIS has modulated the serum level of interleukin 6 when compared with that in mice treated with isotonic sodium chloride solution (P < 0.05). The effectiveness of combining ZER and CIS could be further explored as a new therapeutic intervention of early precancerous stages of carcinogenesis before the invasive stage begins.

Matched MeSH terms: Mice, Inbred BALB C
Preliminary analysis of the antinociceptive activity of zerumbone

Sulaiman MR, Perimal EK, Zakaria ZA, Mokhtar F, Akhtar MN, Lajis NH, et al.

Fitoterapia, 2009 Jun;80(4):230-2.
PMID: 19535012 DOI: 10.1016/j.fitote.2009.02.002

We have investigated the antinociceptive activity of zerumbone (1), a natural cyclic sesquiterpene isolated from Zingiber zerumbet Smith, in acetic acid-induced abdominal writhing test and hot plate test in mice. 1 given by intraperitoneal route produced significant dose-dependent antinociceptive effect in all the test models used. In addition, the antinociceptive effect of 1 in the hot plate test was reversed by the non-selective opioid receptor antagonist naloxone, suggesting that the opioid system is involved in its analgesic mechanism of action.

Matched MeSH terms: Mice, Inbred BALB C
Antinociceptive, anti-inflammatory and antipyretic effects of Solanum nigrum aqueous extract in animal models

Zakaria ZA, Sulaiman MR, Morsid NA, Aris A, Zainal H, Pojan NH, et al.

Methods Find Exp Clin Pharmacol, 2009 Mar;31(2):81-8.
PMID: 19455262 DOI: 10.1358/mf.2009.31.2.1353876

The present study was carried out to evaluate the antinociceptive, anti-inflammatory and antipyretic effects of the aqueous extract of Solanum nigrum leaves using various animal models. The extract, at concentrations of 10, 50 and 100%, was prepared by soaking (1:20; w/v) air-dried powdered leaves (20 g) in distilled water (dH2O) for 72 h. The extract solutions were administered subcutaneously in mice/rats 30 min prior to the tests. The extract exhibited significant (P < 0.05) antinociceptive activity when assessed using the abdominal constriction, hot plate and formalin tests. The extract also produced significant (P < 0.05) anti-inflammatory and antipyretic activities when assessed using the carrageenan-induced paw edema and brewer's yeast-induced pyrexia tests, respectively. Overall, these activities occurred in a concentration-dependent manner, except for the 50% concentration of the extract, which was not effective in the abdominal constriction test. In conclusion, the present study demonstrated that S. nigrum leaves possessed antinociceptive, anti-inflammatory and antipyretic effects and thus supported traditional claims of its medicinal uses.

Matched MeSH terms: Mice, Inbred BALB C
Suppression of tumor growth by palm tocotrienols via the attenuation of angiogenesis

Weng-Yew W, Selvaduray KR, Ming CH, Nesaretnam K

Nutr Cancer, 2009;61(3):367-73.
PMID: 19373610 DOI: 10.1080/01635580802582736

Previous studies have revealed that tocotrienol-rich fractions (TRF) from palm oil inhibit the proliferation and the growth of solid tumors. The anticancer activity of TRF is said to be caused by several mechanisms, one of which is antiangiogenesis. In this study, we looked at the antiangiogenic effects of TRF. In vitro investigations of the antiangiogenic activities of TRF, delta-tocotrienol (deltaT3), and alpha-tocopherol (alphaToc) were carried out in human umbilical vein endothelial cells (HUVEC). TRF and deltaT3 significantly inhibited cell proliferation from 4 microg/ml onward (P < 0.05). Cell migration was inhibited the most by deltaT3 at 12 microg/ml. Anti-angiogenic properties of TRF were carried out further in vivo using the chick embryo chorioallantoic membrane (CAM) assay and BALB/c mice model. TRF at 200 microg/ml reduced the vascular network on CAM. TRF treatment of 1 mg/mouse significantly reduced 4T1 tumor volume in BALB/c mice. TRF significantly reduced serum vascular endothelial growth factor (VEGF) level in BALB/c mice. In conclusion, this study showed that palm tocotrienols exhibit anti-angiogenic properties that may assist in tumor regression.

Matched MeSH terms: Mice, Inbred BALB C
Identification of immunogenic proteins from Burkholderia cepacia secretome using proteomic analysis

Mariappan V, Vellasamy KM, Thimma JS, Hashim OH, Vadivelu J

Vaccine, 2010 Feb 3;28(5):1318-24.
PMID: 19944788 DOI: 10.1016/j.vaccine.2009.11.027

Burkholderia cepacia is an opportunistic human pathogen associated with lung infections. Secretory proteins of B. cepacia are known to be involved in virulence and may mediate important host-pathogen interactions. In the present study, secretory proteins isolated from B. cepacia culture supernatant were separated using two-dimensional gel electrophoresis, followed by Western blot analysis to identify the immunogenic proteins. Mice antibodies raised to B. cepacia inactivated whole bacteria, outer membrane protein and culture filtrate antigen detected 74, 104 and 32 immunogenic proteins, respectively. Eighteen of these immunogenic proteins which reacted with all three antibodies were identified and might be potential molecules as a diagnostic marker or a putative candidate vaccine against B. cepacia infections.

Matched MeSH terms: Mice, Inbred BALB C
Effect of exogenous nitric oxide on murine splenic immune response induced by Aggregatibacter actinomycetemcomitans lipopolysaccharide

Sosroseno W, Bird PS, Seymour GJ

Anaerobe, 2009 Jun;15(3):95-8.
PMID: 19402196 DOI: 10.1016/j.anaerobe.2009.01.002

The aim of this study was to determine the effect of exogenous nitric oxide (NO) on the induction of murine splenic immune response to Aggregatibacter actinomycetemcomitans lipopolysaccharide (LPS) in vitro. BALB/c mice were immunized with A. actinomycetemcomitans LPS and a control group was sham-immunized. Spleen cells were obtained, cultured and stimulated with A. actinomycetemcomitans LPS with or without the presence of S-nitroso acetyl-penicillamine (SNAP), a NO donor, and carboxy-PTIO, an NO scavenger. Culture supernatants were assessed for inducible nitric oxide synthase (iNOS) activity, specific IgG subclass levels, and both IFN-gamma and IL-4 levels. The results showed that in A. actinomycetemcomitans LPS-stimulated cells, SNAP enhances iNOS activity but inhibits the levels of specific IgG2a and IFN-gamma suggesting a Th1 response. The effect of SNAP on these immune parameters was ablated by carboxy-PTIO. These results suggest that exogenous NO may suppress the Th1-like immune response of A. actinomycetemcomitans LPS-stimulated murine spleen cells.

Matched MeSH terms: Mice, Inbred BALB C
Evaluation of the antinociceptive activity of Ficus deltoidea aqueous extract

Sulaiman MR, Hussain MK, Zakaria ZA, Somchit MN, Moin S, Mohamad AS, et al.

Fitoterapia, 2008 Dec;79(7-8):557-61.
PMID: 18672036 DOI: 10.1016/j.fitote.2008.06.005

The aqueous extract of Ficus deltoidea leaves was evaluated for possible antinociceptive activity in three models of nociception, namely, acetic acid-induced abdominal writhing, formalin and hot plate test. The results of the present study showed that intraperitoneal administration of the F. deltoidea leaves aqueous extract at the dose of 1, 50 and 100 mg/kg, 30 min prior to pain induction produced significant dose-dependent antinociceptive effect in all the models used, which indicating the presence of both central and peripherally mediated activities. Furthermore, the antinociceptive effect of the extract in the formalin and hot plate test was reversed by the non-selective opioid receptor antagonist naloxone suggesting that the endogenous opioid system is involved in its analgesic mechanism of action. Thus, the present results demonstrated that F. deltoidea leaves aqueous extract contains pharmacologically active constituents which possess antinociceptive activity justifying its popular therapeutic use in treating conditions associated with the painful conditions.

Matched MeSH terms: Mice, Inbred BALB C
Treatment with bindarit, an inhibitor of MCP-1 synthesis, protects mice against trinitrobenzene sulfonic acid-induced colitis

Bhatia M, Landolfi C, Basta F, Bovi G, Ramnath RD, de Joannon AC, et al.

Inflamm Res, 2008 Oct;57(10):464-71.
PMID: 18827968 DOI: 10.1007/s00011-008-7210-y

Chemokines play a fundamental role in trafficking and activation of leukocytes in colonic inflammation. We investigated the ability of bindarit, an inhibitor of monocyte chemoattractant protein-1 (MCP-1/CCL2) synthesis, to inhibit chemokine production by human intestinal epithelial cells (HT-29) and its effect in trinitro-benzene sulfonic acid (TNBS)-induced colitis in mice.

Matched MeSH terms: Mice, Inbred BALB C
Effect of colchicine on the murine immune response induced by Aggregatibacter actinomycetemcomitans

Sosroseno W

Biomed Pharmacother, 2009 Mar;63(3):221-7.
PMID: 18534811 DOI: 10.1016/j.biopha.2008.04.004

The aim of the present study was to test the hypothesis that colchicine may alter Aggregatibacter actinomycetemcomitans-induced immune response and abscess formation in mice. BALB/c mice were either sham-immunized or immunized with heat-killed A. actinomycetemcomitans. Spleen cells were stimulated with heat-killed A. actinomycetemcomitans in the presence or absence of colchicine. Specific IgG subclass antibodies, interferon-gamma (IFN-gamma), interleukin-4 (IL-4) and cell proliferation were determined. The animals were sham-immunized (group I) or immunized with heat-killed A. actinomycetemcomitans (groups II-VII). Colchicine was administered intraperitoneally before (group III), on the same day of (group IV), or after (group V) the primary immunization and on the same day of (group VI) or after (group VII) the secondary immunization. All groups were challenged with viable A. actinomycetemcomitans. The levels of serum-specific IgG subclasses and both IFN-gamma and IL-4 before and after bacterial challenge were assessed. The diameter of skin lesions was assessed. The results showed that colchicine augmented splenic-specific IgG1 and IL-4 as well as cell proliferation but suppressed specific IgG2a and IFN-gamma levels. Enhancement of serum-specific IgG1 and IL-4 levels, suppression of specific IgG2a and IFN-gamma levels as well as DTH response, and delayed healing of the lesions were observed in groups IV and VI, but not in the remaining groups of animals. Therefore, these results suggest that colchicine may induce a T helper 2 (Th2)-like immunity specific to A. actinomycetemcomitans in vitro and that colchicine administered on the same day as the immunization may stimulate a non-protective Th2-like immunity in A. actinomycetemcomitans-induced infections in mice.

Matched MeSH terms: Mice, Inbred BALB C
Antinociceptive and anti-inflammatory properties of Corchorus capsularis leaves chloroform extract in experimental animal models

Zakaria ZA, Sulaiman MR, Gopalan HK, Abdul Ghani ZD, Raden Mohd Nor RN, Mat Jais AM, et al.

Yakugaku Zasshi, 2007 Feb;127(2):359-65.
PMID: 17268156

The antinociceptive and anti-inflammatory properties of Corchorus capsularis leaves chloroform extract were investigated in experimental animal models. The antinociceptive activity was measured using the writhing, hot plate and formalin tests, while the anti-inflammatory activity was measured using the carrageenan-induced paw edema test. The extract, obtained after 72 h soaking of the air-dried leaves in chloroform followed by in vacuo evaporation to dryness, was weighed and prepared by serial dilution in DMSO in the doses of 20, 100 and 200 mg/kg. The extract was administered (s.c.) 30 min prior to subjection to the respective assays. The extract was found to exhibit significant (p < 0.05) antinociceptive and anti-inflammatory activities. As a conclusion, the present study confirmed the traditional claims of using C. capsularis to treat various ailments related to inflammation and pain.

Matched MeSH terms: Mice, Inbred BALB C
A phage-displayed single chain variable fragment that interacts with hepatitis B core antigen: library construction, selection and diagnosis

Tan GH, Yusoff K, Seow HF, Tan WS

J Clin Virol, 2007 Jan;38(1):49-56.
PMID: 17074533

Phage display is an alternative method for constructing and selecting antibodies with desired specificity towards an antigen.

Matched MeSH terms: Mice, Inbred BALB C
Antinociceptive and anti-inflammatory activities of Dicranopteris linearis leaves chloroform extract in experimental animals

Zakaria ZA, Abdul Ghani ZD, Raden Mohd Nor RN, Gopalan HK, Sulaiman MR, Abdullah FC

Yakugaku Zasshi, 2006 Nov;126(11):1197-203.
PMID: 17077622

The present study was carried out to establish the antinociceptive and anti-inflammatory properties of Dicranopteris linearis leaves chloroform extract in experimental animals. The antinociceptive activity was measured using the abdominal constriction, formalin and hot plate tests, while the anti-inflammatory activity was measured using the carrageenan-induced paw edema. The extract, obtained after 72 h soaking of the air-dried leaves in chloroform followed by evaporation under vacuo (40 degrees C) to dryness, was dissolved in dimethyl sulfoxide to the doses of 20, 100 and 200 mg/kg and administered subcutaneously 30 min prior to subjection to the above mentioned assays. The extract, at all doses used, was found to exhibit significant (p<0.05) antinociceptive activity in a dose-dependent manner. However, the significant (p<0.05) anti-inflammatory activity observed occur in a dose-independent manner. As a conclusion, the chloroform extract of D. linearis possesses antinociceptive and anti-inflammatory activity and thus justify its traditional uses by the Malays to treat various ailments.

Matched MeSH terms: Mice, Inbred BALB C
Antinociceptive, anti-inflammatory and antipyretic effects of Solanum nigrum chloroform extract in animal models

Zakaria ZA, Gopalan HK, Zainal H, Mohd Pojan NH, Morsid NA, Aris A, et al.

Yakugaku Zasshi, 2006 Nov;126(11):1171-8.
PMID: 17077618

AIM: The present study was carried out to evaluate the antinociceptive, anti-inflammatory and antipyretic effects of chloroform extract of Solanum nigrum leaves using various animal models.
METHODS: The extract was prepared by soaking (1:20; w/v) the air-dried powdered leaves (20 g) in chloroform for 72 hrs followed by evaporation (40 degrees C) under reduced pressure to dryness (1.26 g) and then dissolved (1:50; w/v) in dimethylsulfoxide (DMSO). The supernatant, considered as the stock solution with dose of 200 mg/kg, was diluted using DMSO to 20 and 100 mg/kg, and all doses were administered (s.c.; 10 ml/kg) in mice/rats 30 min prior to tests.
RESULTS: The extract exhibited significant (p<0.05) antinociceptive activity when assessed using the abdominal constriction, hot plate and formalin tests. The extract also produced significant (p<0.05) anti-inflammatory and antipyretic activities when assessed using the carrageenan-induced paw edema and brewer's yeast-induced pyrexia tests. Overall, the activities occurred in a dose-independent manner.
CONCLUSION: The present study demonstrated that the lipid-soluble extract of S. nigrum leaves possessed antinociceptive, anti-inflammatory and anti-pyretic properties and confirmed the traditional claims.

Matched MeSH terms: Mice, Inbred BALB C
Immunogenicity of a recombinant Mycobacterium bovis bacille Calmette-Guèrin expressing malarial and tuberculosis epitopes

Rapeah S, Norazmi MN

Vaccine, 2006 Apr 24;24(17):3646-53.
PMID: 16494975 DOI: 10.1016/j.vaccine.2006.01.053

Recombinant Mycobacterium bovis bacille Calmette-Guèrin (rBCG) expressing the malarial epitopes F2R(II)EBA and (NANP)3 as well as two T cell epitopes of the M. tuberculosis ESAT-6 antigen, generated in favour of mycobacterium codon usage elicited specific immune response against these epitopes. Immunised Balb/c mice demonstrated an increase in almost all of the IgG subclasses against both malarial epitopes and enhanced splenocyte proliferative response against the malarial epitopes as well as selected peptides of ESAT-6. Furthermore, flow cytometric analyses showed elevated numbers of CD4+ lymphocytes expressing IFN-gamma and IL-2 against the ESAT-6 peptides, suggesting a specific Th1-mediated response. This study demonstrated that expressing malarial and TB epitopes in a single rBCG construct induced appropriate humoral and cellular immune response against immunogenic epitopes from both organisms.

Matched MeSH terms: Mice, Inbred BALB C
Antinociceptive effect of Melastoma malabathricum ethanolic extract in mice

Sulaiman MR, Somchit MN, Israf DA, Ahmad Z, Moin S

Fitoterapia, 2004 Dec;75(7-8):667-72.
PMID: 15567242

The antinociceptive effect of the ethanolic extract of Melastoma malabathricum (MME) was investigated using acetic acid-induced abdominal writhing test and hot-plate test in mice. It was demonstrated that the extract (30-300 mg/kg, i.p.) strongly and dose-dependently inhibited the acetic acid-induced writhing with an ED(50) of 100 (78-160) mg/kg i.p. It also significantly increased the response latency period to thermal stimuli. Furthermore, the nonselective opioid receptor antagonist, naloxone blocked the antinociceptive effect of the extract in both tests, suggesting that M. malabathricum may act both at peripheral and central levels.

Matched MeSH terms: Mice, Inbred BALB C
Fulltext Oil palm phenolics confer neuroprotective effects involving cognitive and motor functions in mice

Leow SS, Sekaran SD, Tan Y, Sundram K, Sambanthamurthi R

Nutr Neurosci, 2013 Sep;16(5):207-17.
PMID: 23433062 DOI: 10.1179/1476830512Y.0000000047

Phenolics are important phytochemicals which have positive effects on chronic diseases, including neurodegenerative ailments. The oil palm (Elaeis guineensis) is a rich source of water-soluble phenolics. This study was carried out to discover the effects of administering oil palm phenolics (OPP) to mice, with the aim of identifying whether these compounds possess significant neuroprotective properties.

Matched MeSH terms: Mice, Inbred BALB C
The effects of L-arginine, D-arginine, L-name and methylene blue on channa striatus-induced peripheral antinociception in mice

Zakaria ZA, Sulaiman MR, Somchit MN, Jais AM, Ali DI

J Pharm Pharm Sci, 2005;8(2):199-206.
PMID: 16124931

To determine the involvement of nitric oxide/cyclic guanosine monophosphate (NO/cGMP) pathway in aqueous supernatant of haruan (Channa striatus) fillet (ASH) antinociception using the acetic acid-induced abdominal constriction test.

Matched MeSH terms: Mice, Inbred BALB C
Eldecalcitol (ED-71), an analog of 1α,25-dihydroxyvitamin D3 as a potential anti-cancer agent for oral squamous cell carcinomas

Shintani T, Rosli SNZ, Takatsu F, Choon YF, Hayashido Y, Toratani S, et al.

J Steroid Biochem Mol Biol, 2016 11;164:79-84.
PMID: 26444325 DOI: 10.1016/j.jsbmb.2015.09.043

We have previously reported that 1,25(OH)2D3 inhibits NF-κB activity and thus inhibits growth of OSCC cells in serum-free culture and down-regulates HBp17/FGFBP-1 expression, which is important for cancer cell growth and angiogenesis. Here, we have investigated the effects of ED-71, an analog of vitamin D3 (VD) on OSCC cell lines in serum-free culture. It is known that ED-71 has a stronger inhibitory effect on bone resorption compared to VD and other VD analogs. To the best of our knowledge, there was no report examining the potential of ED-71 as an anti-cancer agent for OSCC. We found that ED-71 is able to inhibit the growth of cancer cell lines at a concentration of hundred times lower than calcitriol. As Cyp24A1 was reportedly induced in cancer cells, we measured the expression of CYP24A1 in OSCC cell lines (NA and UE), A431 epidermoid carcinoma and normal fibroblast cell (gfi) in serum-free culture. As a result, CYP24A1 mRNA and the protein expression in the OSCC cells treated with ED-71 increased in a dose-dependent manner. However, in vivo experiment, in which the A431 cells were implanted in mice, tumor formation was reduced by the ED-71 treatment with no significant difference between Cyp24A1 expression in the tumors of ED-71-treated and control group, as analyzed by western blotting and immunohistochemistry. These results suggest that ED-71 is a potential anti-cancer agent for OSCC.

Matched MeSH terms: Mice, Inbred BALB C
SRJ09, a promising anticancer drug lead: Elucidation of mechanisms of antiproliferative and apoptogenic effects and assessment of in vivo antitumor efficacy

Wong CC, Lim SH, Sagineedu SR, Lajis NH, Stanslas J

Pharmacol Res, 2016 05;107:66-78.
PMID: 26940565 DOI: 10.1016/j.phrs.2016.02.024

SRJ09 (3,19-(2-bromobenzylidene)andrographolide), a semisynthetic andrographolide (AGP) derivative, was shown to induce G1 cell cycle arrest and eventually apoptosis in breast and colon cancer cell lines. The present investigation was carried out to elucidate the mechanisms cell cycle arrest and apoptosis and evaluate the in vivo antitumor activity of SRJ09. The in vitro growth inhibitory properties of compounds were assessed in colon (HCT-116) and breast (MCF-7) cancer cell lines. Immunoblotting was utilized to quantitate the protein levels in cells. The gene expressions were determined using reverse transcriptase PCR (RT-PCR). Pharmacokinetic investigation was carried out by determining SRJ09 levels in plasma of Balb/C mice using HPLC. In vivo antitumor activity was evaluated in athymic mice carrying HCT-116 colon tumor xenografts. SRJ09 displayed improved in vitro activity when compared with AGP by producing rapid cell killing effect in vitro. Its activity was not compromised in MES-SA/Dx5 multidrug resistant (MDR) cells expressing p-glycoprotein. Cells treated with SRJ09 (0.1-10μM) displayed increased p21 protein level, which corresponded with gene expression. Whereas CDK4 protein level and gene expression was suppressed. The treatment did not affect cyclin D1. Changes of these proteins paralleled G1 cell cycle arrest in both cell lines as determined by flow cytometry. Induction of apoptosis by SRJ09 in HCT-116 cells which occurred independent of p53 and bcl-2 was inhibited in the presence of caspase 8 inhibitor, implicating the extrinsic apoptotic pathway. A single dose (100mg/kg, i.p) of SRJ09 produced a plasma concentration range of 12-30.4μM. At 400mg/kg (q4dX3), it significantly retarded growth of tumor xenografts. The antitumor activity of SRJ09 is suggested mediated via the induction of p21 expression and suppression of CDK-4 expression without affecting cyclin D1 to trigger G1 arrest leading to apoptosis.

Matched MeSH terms: Mice, Inbred BALB C
The Antimetastatic and Antiangiogenesis Effects of Kefir Water on Murine Breast Cancer Cells

Zamberi NR, Abu N, Mohamed NE, Nordin N, Keong YS, Beh BK, et al.

Integr Cancer Ther, 2016 Dec;15(4):NP53-NP66.
PMID: 27230756

BACKGROUND: Kefir is a unique cultured product that contains beneficial probiotics. Kefir culture from other parts of the world exhibits numerous beneficial qualities such as anti-inflammatory, immunomodulation, and anticancer effects. Nevertheless, kefir cultures from different parts of the world exert different effects because of variation in culture conditions and media. Breast cancer is the leading cancer in women, and metastasis is the major cause of death associated with breast cancer. The antimetastatic and antiangiogenic effects of kefir water made from kefir grains cultured in Malaysia were studied in 4T1 breast cancer cells.
METHODS: 4T1 cancer cells were treated with kefir water in vitro to assess its antimigration and anti-invasion effects. BALB/c mice were injected with 4T1 cancer cells and treated orally with kefir water for 28 days.
RESULTS: Kefir water was cytotoxic toward 4T1 cells at IC50 (half-maximal inhibitory concentration) of 12.5 and 8.33 mg/mL for 48 and 72 hours, respectively. A significant reduction in tumor size and weight (0.9132 ± 0.219 g) and a substantial increase in helper T cells (5-fold) and cytotoxic T cells (7-fold) were observed in the kefir water-treated group. Proinflammatory and proangiogenic markers were significantly reduced in the kefir water-treated group.
CONCLUSIONS: Kefir water inhibited tumor proliferation in vitro and in vivo mainly through cancer cell apoptosis, immunomodulation by stimulating T helper cells and cytotoxic T cells, and anti-inflammatory, antimetastatic, and antiangiogenesis effects. This study brought out the potential of the probiotic beverage kefir water in cancer treatment.

Matched MeSH terms: Mice, Inbred BALB C

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