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Article ; Online: Perspective: How to address the root cause of milk fat depression in dairy cattle.

Hackmann, Timothy J / Vahmani, Payam

2023 Volume 106, Issue 12, Page(s) 8173–8176

MeSH term(s)	Cattle ; Animals ; Female ; Milk ; Depression ; Lactation ; Dietary Supplements ; Diet/veterinary ; Fatty Acids
Chemical Substances	Fatty Acids
Language	English
Publishing date	2023-08-23
Publishing country	United States
Document type	Journal Article
ZDB-ID	242499-x
ISSN	1525-3198 ; 0022-0302
ISSN (online)	1525-3198
ISSN	0022-0302
DOI	10.3168/jds.2023-23501
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Article ; Online: Effects of beef fat enriched with

Xu, Yanqing / Hsu, Ming-Fo / Haj, Fawaz George / Vahmani, Payam

The British journal of nutrition

2024 , Page(s) 1–10

Abstract: ... ...

Abstract	Trans
Language	English
Publishing date	2024-03-05
Publishing country	England
Document type	Journal Article
ZDB-ID	280396-3
ISSN	1475-2662 ; 0007-1145
ISSN (online)	1475-2662
ISSN	0007-1145
DOI	10.1017/S000711452400062X
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Article ; Online: Beneficial Effects of Vitamins, Minerals, and Bioactive Peptides on Strengthening the Immune System Against COVID-19 and the Role of Cow's Milk in the Supply of These Nutrients.

Ahvanooei, M R Rezaei / Norouzian, Mohammad Ali / Vahmani, Payam

Biological trace element research

2021 Volume 200, Issue 11, Page(s) 4664–4677

Abstract: The COVID-19 pandemic, which causes severe respiratory tract infections in humans, has become a global health concern and is spreading rapidly. At present, the most important issue associated with COVID-19 is the immune system and the factors that affect ...

Abstract	The COVID-19 pandemic, which causes severe respiratory tract infections in humans, has become a global health concern and is spreading rapidly. At present, the most important issue associated with COVID-19 is the immune system and the factors that affect it. It is well known that cow's milk is highly rich in micronutrients that increase and strengthen the immune system. Research shows that the administration of these nutrients is very effective in fighting COVID-19, and a deficiency in any of them can be a weakness in the fight against the virus. On the other hand, cow's milk is accessible to the whole population, and drinking colostrum, raw, and micro-filtered milk from cows vaccinated against SARS-CoV-2 could provide individuals with short-term protection against the SARS-CoV-2 infection until vaccines become commercially available. This review aimed to discuss the effects of milk vitamins, minerals, and bioactive peptides on general health in humans to combat viral diseases, especially COVID-19, and to what extent cow's milk consumption plays a role in providing these metabolites. Cow's milk contains many bioactive compounds that include vitamins, minerals, biogenic amines, nucleotides, oligosaccharides, organic acids, and immunoglobulins. Humans can meet a significant portion of their requirements for vitamins and minerals through the consumption of cow's milk. Recent studies have shown that micronutrients such as vitamins D, E, B, C, and A as well as minerals Zn, Cu, Mg, I, and Se and bioactive peptides, each can have positive and significant effects on strengthening the immune system and general health in humans.
MeSH term(s)	Animals ; COVID-19/prevention & control ; Cattle ; Female ; Humans ; Immune System ; Milk ; Minerals ; Nucleotides ; Pandemics ; Peptides ; SARS-CoV-2 ; Vitamin A ; Vitamins
Chemical Substances	Minerals ; Nucleotides ; Peptides ; Vitamins ; Vitamin A (11103-57-4)
Language	English
Publishing date	2021-11-27
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	445336-0
ISSN	1559-0720 ; 0163-4984
ISSN (online)	1559-0720
ISSN	0163-4984
DOI	10.1007/s12011-021-03045-x
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Article ; Online: Hepatic safety profile of pancreatic cancer‑bearing mice fed a ketogenic diet in combination with gemcitabine.

Cortez, Natalia E / Lanzi, Cecilia Rodriguez / Vahmani, Payam / Matsukuma, Karen / Mackenzie, Gerardo G

Oncology letters

2023 Volume 26, Issue 5, Page(s) 479

Abstract: Ketogenic diets (KDs) are actively being evaluated for their potential anticancer effects. Although KDs are generally considered safe, their safety profile when combined with chemotherapy remains unknown. It is known that a KD enhances the anticancer ... ...

Abstract	Ketogenic diets (KDs) are actively being evaluated for their potential anticancer effects. Although KDs are generally considered safe, their safety profile when combined with chemotherapy remains unknown. It is known that a KD enhances the anticancer effect of gemcitabine (2',2'-difluoro-2'-deoxycytidine) in
Language	English
Publishing date	2023-09-22
Publishing country	Greece
Document type	Journal Article
ZDB-ID	2573196-8
ISSN	1792-1082 ; 1792-1074
ISSN (online)	1792-1082
ISSN	1792-1074
DOI	10.3892/ol.2023.14067
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Article: Beneficial Effects of Vitamins, Minerals, and Bioactive Peptides on Strengthening the Immune System Against COVID-19 and the Role of Cow’s Milk in the Supply of These Nutrients

Ahvanooei, M. R. Rezaei / Norouzian, Mohammad Ali / Vahmani, Payam

Biological trace element research. 2022 Nov., v. 200, no. 11

2022

Abstract	The COVID-19 pandemic, which causes severe respiratory tract infections in humans, has become a global health concern and is spreading rapidly. At present, the most important issue associated with COVID-19 is the immune system and the factors that affect it. It is well known that cow’s milk is highly rich in micronutrients that increase and strengthen the immune system. Research shows that the administration of these nutrients is very effective in fighting COVID-19, and a deficiency in any of them can be a weakness in the fight against the virus. On the other hand, cow’s milk is accessible to the whole population, and drinking colostrum, raw, and micro-filtered milk from cows vaccinated against SARS-CoV-2 could provide individuals with short-term protection against the SARS-CoV-2 infection until vaccines become commercially available. This review aimed to discuss the effects of milk vitamins, minerals, and bioactive peptides on general health in humans to combat viral diseases, especially COVID-19, and to what extent cow’s milk consumption plays a role in providing these metabolites. Cow’s milk contains many bioactive compounds that include vitamins, minerals, biogenic amines, nucleotides, oligosaccharides, organic acids, and immunoglobulins. Humans can meet a significant portion of their requirements for vitamins and minerals through the consumption of cow’s milk. Recent studies have shown that micronutrients such as vitamins D, E, B, C, and A as well as minerals Zn, Cu, Mg, I, and Se and bioactive peptides, each can have positive and significant effects on strengthening the immune system and general health in humans.
Keywords	COVID-19 infection ; Severe acute respiratory syndrome coronavirus 2 ; colostrum ; cows ; immune system ; immunoglobulins ; metabolites ; milk ; milk consumption ; nucleotides ; oligosaccharides ; peptides ; research ; respiratory system ; trace elements ; viruses
Language	English
Dates of publication	2022-11
Size	p. 4664-4677.
Publishing place	Springer US
Document type	Article
Note	Review
ZDB-ID	445336-0
ISSN	1559-0720 ; 0163-4984
ISSN (online)	1559-0720
ISSN	0163-4984
DOI	10.1007/s12011-021-03045-x
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Article: Exposure to non-esterified fatty acids in vitro results in changes in the ovarian and follicular environment in cattle

Pedroza, Gabriela H. / Lanzon, Lawrence F. / Rabaglino, Maria B. / Walker, Wendy L. / Vahmani, Payam / Denicol, Anna C.

Animal reproduction science. 2022 Mar., v. 238

2022

Abstract: Negative energy balance (NEB) in the postpartum period of dairy cows is associated with reduced fertility to insemination later in lactation. We hypothesized that elevated non-esterified fatty acids (NEFA) levels that occur during NEB result in ... ...

Abstract	Negative energy balance (NEB) in the postpartum period of dairy cows is associated with reduced fertility to insemination later in lactation. We hypothesized that elevated non-esterified fatty acids (NEFA) levels that occur during NEB result in accumulation of fatty acids within the ovarian tissue and preantral follicles, causing changes in ovarian gene expression that would indicate a response to injury. We performed ovarian cortex culture and oocyte maturation in medium containing a combination of palmitic, oleic and stearic acid (NEFA). Ovarian cortex was subjected to RNA sequencing and lipid content analysis via Nile Red staining and gas chromatography; oocytes were analyzed for maturation rate and mitochondrial mass and localization following in vitro maturation (IVM). Accumulation of lipids associated with the plasma membrane was increased in granulosa cells of preantral follicles exposed to NEFA in vitro; RNA sequencing revealed changes in biological functions associated with metabolic disease, stimulation of an inflammatory response, and reduction in glucose uptake. Oocyte maturation under high NEFA compromised nuclear, but not cytoplasmic maturation. These data demonstrate that exposure to NEFA in vitro affects the ovary, preantral follicles and cumulus-oocyte complexes, and provides further insight into the potential links between metabolic imbalance and infertility.
Keywords	RNA ; cortex ; energy balance ; gas chromatography ; gene expression ; glucose ; inflammation ; insemination ; lactation ; lipid content ; metabolic diseases ; mitochondria ; oocytes ; plasma membrane ; postpartum period ; stearic acid
Language	English
Dates of publication	2022-03
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	429674-6
ISSN	1873-2232 ; 0378-4320
ISSN (online)	1873-2232
ISSN	0378-4320
DOI	10.1016/j.anireprosci.2022.106937
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Article ; Online: Transcriptome Analysis of Listeria monocytogenes Exposed to Beef Fat Reveals Antimicrobial and Pathogenicity Attenuation Mechanisms.

Chen, Yuan Yao / Kommadath, Arun / Vahmani, Payam / Visvalingam, Jeyachchandran / Dugan, Michael E R / Yang, Xianqin

Applied and environmental microbiology

2021 Volume 87, Issue 9

Abstract: ... Listeria ... ...

Abstract	Listeria monocytogenes
MeSH term(s)	Animals ; Anti-Bacterial Agents/pharmacology ; Cattle ; Fats/pharmacology ; Fatty Acids/pharmacology ; Gene Expression Profiling ; Gene Expression Regulation, Bacterial/drug effects ; Listeria monocytogenes/drug effects ; Listeria monocytogenes/genetics ; Listeria monocytogenes/growth & development ; Red Meat
Chemical Substances	Anti-Bacterial Agents ; Fats ; Fatty Acids
Language	English
Publishing date	2021-04-13
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	223011-2
ISSN	1098-5336 ; 0099-2240
ISSN (online)	1098-5336
ISSN	0099-2240
DOI	10.1128/AEM.03027-20
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Article ; Online: Exposure to non-esterified fatty acids in vitro results in changes in the ovarian and follicular environment in cattle.

Pedroza, Gabriela H / Lanzon, Lawrence F / Rabaglino, Maria B / Walker, Wendy L / Vahmani, Payam / Denicol, Anna C

Animal reproduction science

2022 Volume 238, Page(s) 106937

Abstract	Negative energy balance (NEB) in the postpartum period of dairy cows is associated with reduced fertility to insemination later in lactation. We hypothesized that elevated non-esterified fatty acids (NEFA) levels that occur during NEB result in accumulation of fatty acids within the ovarian tissue and preantral follicles, causing changes in ovarian gene expression that would indicate a response to injury. We performed ovarian cortex culture and oocyte maturation in medium containing a combination of palmitic, oleic and stearic acid (NEFA). Ovarian cortex was subjected to RNA sequencing and lipid content analysis via Nile Red staining and gas chromatography; oocytes were analyzed for maturation rate and mitochondrial mass and localization following in vitro maturation (IVM). Accumulation of lipids associated with the plasma membrane was increased in granulosa cells of preantral follicles exposed to NEFA in vitro; RNA sequencing revealed changes in biological functions associated with metabolic disease, stimulation of an inflammatory response, and reduction in glucose uptake. Oocyte maturation under high NEFA compromised nuclear, but not cytoplasmic maturation. These data demonstrate that exposure to NEFA in vitro affects the ovary, preantral follicles and cumulus-oocyte complexes, and provides further insight into the potential links between metabolic imbalance and infertility.
MeSH term(s)	Animals ; Cattle ; Fatty Acids, Nonesterified/metabolism ; Female ; Granulosa Cells/metabolism ; Oocytes/physiology ; Oogenesis ; Ovary/metabolism
Chemical Substances	Fatty Acids, Nonesterified
Language	English
Publishing date	2022-02-04
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	429674-6
ISSN	1873-2232 ; 0378-4320
ISSN (online)	1873-2232
ISSN	0378-4320
DOI	10.1016/j.anireprosci.2022.106937
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Article: Iso- but Not Anteiso-Branched Chain Fatty Acids Exert Growth-Inhibiting and Apoptosis-Inducing Effects in MCF-7 Cells

Vahmani, Payam / Salazar, Vivien / Rolland, David C / Gzyl, Katherine E / Dugan, Michael E. R

Journal of agricultural and food chemistry. 2019 Aug. 17, v. 67, no. 36

2019

Abstract: The present study compared the growth-inhibitory effects of four common branched chain fatty acids (BCFAs) found in beef and dairy fats including iso 15:0, anteiso 15:0, iso 17:0, and anteiso 17:0. MCF-7 human breast cancer cells were exposed for 72 h to ...

Abstract	The present study compared the growth-inhibitory effects of four common branched chain fatty acids (BCFAs) found in beef and dairy fats including iso 15:0, anteiso 15:0, iso 17:0, and anteiso 17:0. MCF-7 human breast cancer cells were exposed for 72 h to media containing increasing doses (50 to −400 μM) of the four BCFA. Cell viability was not affected by any of the BCFA treatments at doses less than 200 μM. Culturing cells with 200 μM of iso-15:0 or iso-17:0 reduced cell viability by 27 ± 2.8 and 43 ± 8.3% at 24 h, 35 ± 4.6 and 49 ± 9.1% at 48 h, and 44 ± 6.8 and 57 ± 8.8% at 72 h posttreatment. In contrast, culturing cells with 200 μM of anteiso-15:0 or anteiso-17:0 did not affect cell viability for any durations tested. The incorporation of iso 15:0 and iso 17:0 into cells (19.1 ± 1.3 and 21.2 ± 1.4 μmol/mg protein, respectively) was greater (P < 0.01) than that of anteiso 15:0 and anteiso 17:0 (11.8 ± 0.7 and 13.8 ± 0.8 μmol/mg protein, respectively). Iso-15:0 and iso-17:0 downregulated (P < 0.01) the expression of antiapoptotic Bcl-2 (0.71 ± 0.6-fold and 0.64 ± 0.09-fold, respectively) and upregulated (P < 0.01) the expression of proapoptotic Bax (1.72 ± 0.14-fold and 2.15 ± 0.24-fold, respectively) compared to the control, whereas their corresponding anteiso isomers did not affect the expression of any apoptosis-related genes. Our findings suggest that the branching structure influences anticarcinogenic effects of BCFAs, with iso being more potent than anteiso.
Keywords	anticarcinogenic activity ; apoptosis ; beef ; branched chain fatty acids ; breast neoplasms ; cell viability ; gene expression regulation ; genes ; human cell lines ; isomers ; neoplasm cells
Language	English
Dates of publication	2019-0817
Size	p. 10042-10047.
Publishing place	American Chemical Society
Document type	Article
ZDB-ID	241619-0
ISSN	1520-5118 ; 0021-8561
ISSN (online)	1520-5118
ISSN	0021-8561
DOI	10.1021/acs.jafc.9b03549
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Article ; Online: Trans-10 18:1 in ruminant meats: A review.

Alves, Susana P / Vahmani, Payam / Mapiye, Cletos / McAllister, Tim A / Bessa, Rui J B / Dugan, Michael E R

Lipids

2021 Volume 56, Issue 6, Page(s) 539–562

Abstract: Trans (t) fatty acids (TFA) from partially hydrogenated vegetable oils (i.e., industrial trans) have been phased out of foods in many countries due to their promotion of cardiovascular disease. This leaves ruminant-derived foods as the main source of TFA. ...

Abstract	Trans (t) fatty acids (TFA) from partially hydrogenated vegetable oils (i.e., industrial trans) have been phased out of foods in many countries due to their promotion of cardiovascular disease. This leaves ruminant-derived foods as the main source of TFA. Unlike industrial TFA where catalytic hydrogenation yields a broad distribution of isomers, ruminant TFA are enzymatically derived and can result in enrichment of specific isomers. Comparisons between industrial and ruminant TFA have often exonerated ruminant TFA due to their lack or at times positive effects on health. At extremes, however, ruminant-sourced foods can have either high levels of t10- or t11-18:1, and when considering enriched sources, t10-18:1 has properties similar to industrial TFA, whereas t11-18:1 can be converted to an isomer of conjugated linoleic acid (cis(c)9,t11-conjugated linoleic acid), both of which have potential positive health effects. Increased t10-18:1 in meat-producing ruminants has not been associated with negative effects on live animal production or meat quality. As such, reducing t10-18:1 has not been of immediate concern to ruminant meat producers, as there have been no economic consequences for its enrichment; nevertheless at high levels, it can compromise the nutritional quality of beef and lamb. In anticipation that regulations regarding TFA may focus more on t10-18:1 in beef and lamb, the present review will cover its production, analysis, biological effects, strategies for manipulation, and regulatory policy.
MeSH term(s)	Animals ; Cardiovascular Diseases ; Cattle ; Hydrogenation ; Meat/analysis ; Ruminants ; Sheep ; Trans Fatty Acids
Chemical Substances	Trans Fatty Acids
Language	English
Publishing date	2021-10-04
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	241539-2
ISSN	1558-9307 ; 0024-4201
ISSN (online)	1558-9307
ISSN	0024-4201
DOI	10.1002/lipd.12324
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